CN201825568U - Flushing and cooling branch of closed loop of bucket wheel machine hydraulic system - Google Patents
Flushing and cooling branch of closed loop of bucket wheel machine hydraulic system Download PDFInfo
- Publication number
- CN201825568U CN201825568U CN2010202882066U CN201020288206U CN201825568U CN 201825568 U CN201825568 U CN 201825568U CN 2010202882066 U CN2010202882066 U CN 2010202882066U CN 201020288206 U CN201020288206 U CN 201020288206U CN 201825568 U CN201825568 U CN 201825568U
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- China
- Prior art keywords
- valve
- flushing
- bucket wheel
- wheel machine
- cooling
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- Expired - Fee Related
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Abstract
The utility model discloses a flushing and cooling branch of a closed loop of a bucket wheel machine hydraulic system, aiming at solving the problems of overhigh temperature and overquick temperature rise of the closed loop of the bucket wheel machine hydraulic system. The flushing and cooling branch of the closed loop comprises a main oil pump, a flushing and cooling valve block, an electromagnetic relief valve, a hydraulic control reversing valve, a throttling stop valve, a hydraulic motor, an air cooler and a hydraulic rubber pipe, wherein the electromagnetic relief valve, the hydraulic control reversing valve and the throttling stop valve are all arranged on the flushing and cooling valve block to form a flushing and cooling valve bank, the electromagnetic relief valve, the hydraulic motor and the hydraulic control reversing valve are all connected onto a front oil path and a rear oil path of the main oil pump in parallel, one end of the throttling stop valve is connected with the outlet of the hydraulic control reversing valve, and the other end of the throttling stop valve is connected with the air cooler through the hydraulic rubber pipe. In the utility model, not only can the problems of overhigh temperature and overquick temperature rise of the closed loop of the bucket wheel machine hydraulic system be solved to ensure that the bucket wheel machine hydraulic system works within a specified range, but also the flushing and cooling loop has the advantages of compact structure and complete functions and is rapid to mount and dismount and convenient to use.
Description
Technical field
The utility model relates to a kind of closed system flushing cooling loop that is used on the bucket wheel machine hydraulic efficiency pressure system, is that solution bucket wheel machine hydraulic efficiency pressure system closed circuit temperature is too high, the vitals that temperature rise is too fast.
Background technology
For the bucket wheel machine by the rotation of hydraulic efficiency pressure system drive wheel bucket, the temperature in the closed system loop is too high to be ubiquitous.If the too high sealing member that will cause of temperature is aging; Damage oil sealing, reduce the service life of pump, motor.Therefore high temperature will have a strong impact on the normal operation of hydraulic efficiency pressure system.
The utility model content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of closed system flushing cooling loop that is used on the bucket wheel machine hydraulic efficiency pressure system, and it is too high mainly to have solved bucket wheel machine hydraulic efficiency pressure system closed circuit temperature, the problem that temperature rise is too fast.
It is too high that the utility model not only can solve bucket wheel machine hydraulic efficiency pressure system closed circuit temperature, and the problem that temperature rise is too fast makes the bucket wheel machine hydraulic work system within the limits prescribed, and flushing cooling loop compact conformation, multiple functional, install, dismantle quick, easy to use.Therefore, the utility model is the ideal scheme that solves the too high problem of temperature in the bucket wheel machine hydraulic efficiency pressure system closed circuit.
Concrete technical scheme of the present utility model is:
A kind of bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road, comprise main oil pump, flushing cooling valve piece, electromagnetic relief valve, pilot operated directional control valve, throttling stop valve, HM Hydraulic Motor, Air cooler and hydralic hose, described electromagnetic relief valve, pilot operated directional control valve, throttling stop valve is installed on the flushing cooling valve piece, form flushing cooling valve group, described valve group is installed in the interface of bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road and hydraulic efficiency pressure system, described electromagnetic relief valve, HM Hydraulic Motor, pilot operated directional control valve all is connected on the front and back two-way oil circuit of main oil pump, described throttling stop valve one end is connected with the outlet of pilot operated directional control valve, the other end of described throttling stop valve is connected with the cooling vessel of Air cooler by hydralic hose, the oil return line of described Air cooler is connected with the fuel tank of bucket wheel machine hydraulic efficiency pressure system, and described fuel tank also is connected by the low pressure side of slippage pump with described flushing cooling branch road.
For realizing automatic guidance, described fuel tank also is provided with temperature controller, and described temperature controller is connected with PLC, and described PLC is connected with the opening device of main oil pump, electromagnetic relief valve, pilot operated directional control valve, Air cooler, slippage pump.
Described electromagnetic relief valve is used to control the difference of pressure between pressure duct and the low pressure line, and realizes the non-loaded startup of hydraulic pump drive motor when bucket wheel wheel bucket rotates; Described pilot operated directional control valve is used for distinguishing the low pressure line of closed circuit, and the fluid in the low pressure line is drawn; Described throttling stop valve is used to control the fluid flow size of being drawn by pilot operated directional control valve; Described Air cooler is used for the fluid of drawing from bucket wheel machine hydraulic efficiency pressure system closed circuit is cooled off.
The beneficial effects of the utility model are:
1, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road has been finished the cooling work to bucket wheel machine hydraulic efficiency pressure system closed circuit.
2, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road is realized the non-loaded startup of hydraulic pump drive motor when bucket wheel wheel bucket rotates.
3, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road has been realized the function to the automatic flushing of bucket wheel machine hydraulic efficiency pressure system closed circuit, need not control, has improved reliability of system operation.
4, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road, flushing cooling loop easy switching can switch on or off the flushing cooling loop at any time.
5, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road, the integration height, installation, convenient disassembly, quick.
Description of drawings
Fig. 1 is the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road hydraulic schematic diagram;
Fig. 2 is the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road flushing cooling valve block structure scheme drawing;
Wherein: 1 main oil pump; 2 electromagnetic relief valves; 3 Air coolers; 4 throttling stop valves; 5 pilot operated directional control valves; 6 HM Hydraulic Motor; 7 flushing cooling valve pieces.
The specific embodiment
As shown in Figure 1 and Figure 2, the utility model bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road mainly comprises: 1 main oil pump; 2 electromagnetic relief valves; 3 Air coolers; 4 throttling stop valves; 5 pilot operated directional control valves; 6 HM Hydraulic Motor, 7 flushing cooling valve pieces, specific implementation method is as follows:
With electromagnetic relief valve 2, throttling stop valve 4, pilot operated directional control valve 5 is installed on the flushing cooling valve piece 7, form flushing cooling valve group, described valve group is installed in the interface of bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road and hydraulic efficiency pressure system, described electromagnetic relief valve 2, HM Hydraulic Motor 6, pilot operated directional control valve 5 all is connected on the front and back two-way oil circuit of main oil pump 1, described throttling stop valve 4 one ends are connected with the outlet of pilot operated directional control valve 5, the other end of described throttling stop valve 4 is connected by the cooling vessel of hydralic hose with Air cooler 3, the Fuel Tanking Unit of described Air cooler 3 is connected with the fuel tank of bucket wheel machine hydraulic efficiency pressure system, and described fuel tank also is connected by the low pressure side of slippage pump with described flushing cooling branch road.
For realizing automatic guidance, described fuel tank also is provided with temperature controller, and described temperature controller is connected with PLC, and described PLC is connected with the opening device of main oil pump 1, electromagnetic relief valve 2, pilot operated directional control valve 5, Air cooler 3, slippage pump.
Principle of the present utility model: when main oil pump 1 starts, electromagnetic relief valve 2 must not, main oil pump motor is realized non-loaded startup, after treating that electric motor starting and running are stable, electromagnetic relief valve 2, system sets up difference of pressure at the front and back of main oil pump 1 two-way, HM Hydraulic Motor 6 rotations, pilot operated directional control valve 5 is under action of pressure between two main lines, spool deflects, and the fluid of low pressure side is drawn out to outside the closed circuit, under the effect of throttling stop valve 4, the flow of fluid is drawn in control, and the fluid of drawing is directly got back in the fuel tank through after the cooling of Air cooler 3; This while, the slippage pump of bucket wheel machine hydraulic efficiency pressure system will the low pressure side in closed circuit replenish fluid simultaneously, can be because of the empty damage that cause occurring inhaling to guarantee main oil pump 1.
Claims (2)
1. branch road is cooled off in a bucket wheel machine hydraulic efficiency pressure system closed circuit flushing, it is characterized in that: comprise main oil pump, flushing cooling valve piece, electromagnetic relief valve, pilot operated directional control valve, throttling stop valve, HM Hydraulic Motor, Air cooler and hydralic hose, described electromagnetic relief valve, pilot operated directional control valve, throttling stop valve is installed on the flushing cooling valve piece, form flushing cooling valve group, described valve group is installed in the interface of bucket wheel machine hydraulic efficiency pressure system closed circuit flushing cooling branch road and hydraulic efficiency pressure system, described electromagnetic relief valve, HM Hydraulic Motor, pilot operated directional control valve all is connected on the front and back two-way oil circuit of main oil pump, described throttling stop valve one end is connected with the outlet of pilot operated directional control valve, the other end of described throttling stop valve is connected with the cooling vessel of Air cooler by hydralic hose, the oil return line of described Air cooler is connected with the fuel tank of bucket wheel machine hydraulic efficiency pressure system, and described fuel tank also is connected by the low pressure side of slippage pump with described flushing cooling branch road.
2. cooling branch road according to claim 1 is characterized in that: described fuel tank also is provided with temperature controller, and described temperature controller is connected with PLC, and described PLC is connected with the opening device of main oil pump, electromagnetic relief valve, pilot operated directional control valve, Air cooler, slippage pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202882066U CN201825568U (en) | 2010-08-11 | 2010-08-11 | Flushing and cooling branch of closed loop of bucket wheel machine hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202882066U CN201825568U (en) | 2010-08-11 | 2010-08-11 | Flushing and cooling branch of closed loop of bucket wheel machine hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201825568U true CN201825568U (en) | 2011-05-11 |
Family
ID=43964118
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202882066U Expired - Fee Related CN201825568U (en) | 2010-08-11 | 2010-08-11 | Flushing and cooling branch of closed loop of bucket wheel machine hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201825568U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425576A (en) * | 2011-11-21 | 2012-04-25 | 武汉船用机械有限责任公司 | Motor system having passive cable laying function |
| WO2013078810A1 (en) * | 2011-11-29 | 2013-06-06 | 湖南三一智能控制设备有限公司 | Hydraulic motor system for unit head of self-cooling rotary drilling rig and rotary drilling rig |
| CN104061201A (en) * | 2013-03-22 | 2014-09-24 | 住友重机械工业株式会社 | Hydraulic Loop, Hydraulic Cylinder, Processing Machine Containing Hydraulic Cylinder And Control Method For Hydraulic Loop |
| CN109128387A (en) * | 2018-10-12 | 2019-01-04 | 广州粤研智能装备股份有限公司 | A kind of device and method removing workpiece oil hole inner burr |
-
2010
- 2010-08-11 CN CN2010202882066U patent/CN201825568U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425576A (en) * | 2011-11-21 | 2012-04-25 | 武汉船用机械有限责任公司 | Motor system having passive cable laying function |
| WO2013078810A1 (en) * | 2011-11-29 | 2013-06-06 | 湖南三一智能控制设备有限公司 | Hydraulic motor system for unit head of self-cooling rotary drilling rig and rotary drilling rig |
| CN104061201A (en) * | 2013-03-22 | 2014-09-24 | 住友重机械工业株式会社 | Hydraulic Loop, Hydraulic Cylinder, Processing Machine Containing Hydraulic Cylinder And Control Method For Hydraulic Loop |
| CN109128387A (en) * | 2018-10-12 | 2019-01-04 | 广州粤研智能装备股份有限公司 | A kind of device and method removing workpiece oil hole inner burr |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110511 Termination date: 20180811 |