CN205001263U - Energy -conserving pump station of infinitely variable control variable - Google Patents

Energy -conserving pump station of infinitely variable control variable Download PDF

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Publication number
CN205001263U
CN205001263U CN201520629301.0U CN201520629301U CN205001263U CN 205001263 U CN205001263 U CN 205001263U CN 201520629301 U CN201520629301 U CN 201520629301U CN 205001263 U CN205001263 U CN 205001263U
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China
Prior art keywords
valve
oil
accumulator
energy
servo
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CN201520629301.0U
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Chinese (zh)
Inventor
汪宝生
景友燕
张春凤
韦城杰
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Guangdong Yizumi Precision Machinery Co Ltd
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Guangdong Yizumi Precision Machinery Co Ltd
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Abstract

The utility model provides an energy -conserving pump station of infinitely variable control variable, includes servo motor, servo oil pump, relief valve, oil circuit control valve, accumulator, execute component and control circuit, the one side and the servo motor of servo oil pump be connected and its exit end respectively with relief valve, oil circuit control valve bond, an exit linkage of oil circuit control valve has the check valve, and is connected with the accumulator, another export directness of oil circuit control valve is connected with execute component, control circuit. The utility model discloses a when servo did not need the fuel feeding when the oil circuit, servo motor can the stall reaches energy -conserving purpose, and servo controller can be inputed through software to the electrodeless regulation of pressure, flow, controlled servo motor's rotational speed by the controller, can realize the electrodeless adjustable of pressure, flow, made its during operation energy -conserving to application that can be extensive hydraulic system comparatively complicated, have on partial device needs the hydraulic pressure machinery of independent oil circuit work, the practicality is strong.

Description

The energy-saving pump station of step-less adjustment variable
Technical field
The utility model relates to a kind of energy-saving pump station, specifically a kind of energy-saving pump station of step-less adjustment variable.
Background technique
Chinese patent literature CN202031922U open a kind of large-scalely has a grade Variable Control multi-connection energy-saving hydraulic pump station on November 9th, 2011, it comprises oil-pressing pump assembly in fuel tank, the high pressure oil pump assembly be connected with fuel tank and at least one group, and the output circuit of described high pressure oil pump assembly and the output circuit of middle oil-pressing pump assembly are connected with the interflow control unit being provided with total output circuit; And described in each oil-pressing pump assembly be provided with independent control switch; Above-mentioned in each the output circuit of oil-pressing pump assembly be provided with independent regulation component.It is said, this structure adopts the multiplex pump mode of a high-pressure service pump and at least one group of medium pressure pump, can meet the requirement of large discharge, can meet again the requirement of inner chamber metal extrusion molding machine different brackets pressure; But this structure is quite complicated, and its adjustment has been only level adjustment, and narrow application range, can not meet the demand of user.Therefore, further improvement is necessary.
Model utility content
The purpose of this utility model aims to provide that a kind of simple and reasonable, excellent performance, adjustment are quick, easy to operate, low cost of manufacture, easily produce, easily realize, use the energy-saving pump station of extensive and safe and reliable step-less adjustment variable, to overcome deficiency of the prior art.
The energy-saving pump station of a kind of step-less adjustment variable designed by this object, comprise actuating motor, servo oil pump, safety valve, oil passage control valve, accumulator, executive component and oil circuit control, it is characterized in that: the side of servo oil pump is connected with actuating motor and its outlet end is connected with safety valve, oil passage control valve respectively, an outlet of oil passage control valve is connected with one-way valve and is connected with accumulator, and another outlet of oil passage control valve is directly connected with executive component, oil circuit control.
Described accumulator adopts piston accumulator, and its upper end is filled with nitrogen, and lower end contains pressure oil, and the middle piston that adopts is isolated.
The entry end of described accumulator is connected with pressure transmitter and oil pressure table, and outlet end is connected with the gentle pressure gauge of outlet air valve.
Described accumulator is connected with cartridge valve, and an outlet of oil passage control valve is connected with one-way valve, and accumulator is connected mutually with one-way valve.
Described cartridge valve is connected with selector valve, and selector valve is connected with executive component, oil circuit control.
Described servo oil pump is connected with servo fuel tap and servo oil pressure table.
The outlet end of described accumulator has been connected with gas cylinder, and gas cylinder lower end is provided with air valve, supplements nitrogen when the nitrogen of accumulator is very few by the cooperation of gas cylinder and air valve.
The utility model is by the improvement of said structure, adopt the control of servo-system, when oil circuit does not need fuel feeding, actuating motor can stop operating and reach energy-conservation object, the electrodeless adjustment of pressure, flow can be input to servocontroller by software, the rotating speed of actuating motor is controlled by controller, can realize pressure, flow electrodeless adjustable, more energy-conservation when making its work, and it is comparatively complicated and have partial devices to need on the hydraulic machinery of independently oil circuit work to be used in hydraulic system widely.It has that simple and reasonable, excellent performance, adjustment are quick, easy to operate, low cost of manufacture, easily produce, easily realize, use extensive and safe and reliable etc. feature, practical.
Accompanying drawing explanation
Fig. 1 is the utility model one example structure schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further described.
See Fig. 1, the energy-saving pump station of this step-less adjustment variable, comprise actuating motor 4, servo oil pump 3, safety valve 9, oil passage control valve 10, accumulator 17, executive component 5 and oil circuit control 2, the side of servo oil pump 3 is connected with actuating motor 4 and its outlet end is connected with safety valve 9, oil passage control valve 10 respectively, an outlet of oil passage control valve 10 is connected with one-way valve 21 and is connected with accumulator 17, and another outlet of oil passage control valve 10 is directly connected with executive component 5, oil circuit control 2.
Specifically, accumulator 17 adopts piston accumulator, and its upper end is filled with nitrogen, and lower end contains pressure oil, and the middle piston that adopts is isolated.The entry end of accumulator 17 is connected with pressure transmitter 18 and oil pressure table 19, and outlet end is connected with the gentle pressure gauge 16 of outlet air valve 15.Accumulator 17 is connected with cartridge valve 20, and an outlet of oil passage control valve 10 is connected with one-way valve 21, and accumulator 17 is connected mutually with one-way valve 21.
Cartridge valve 20 is connected with selector valve 23, and selector valve 23 is connected with executive component 5, oil circuit control 2.
In said structure, servo oil pump 3 is connected with servo fuel tap 6 and servo oil pressure table 7.
The outlet end of accumulator 17 has been connected with gas cylinder 14, and gas cylinder 14 lower end is provided with air valve 13, supplements nitrogen when the nitrogen of accumulator 17 is very few by the cooperation of gas cylinder 14 and air valve 13.
Its action specification:
1, energy storage action: actuating motor 4 performs corresponding rotating speed according to the flow of setting, electromagnetic coil on the right of solenoid directional control valve 10 obtains electric, and accumulator 17 carries out energy storage, when energy storage pressure reaches setting value, actuating motor 4 stops operating, the electromagnetic coil dead electricity on the right of solenoid directional control valve 10.
2, perform oil cylinder to advance at a slow speed: actuating motor 4 performs corresponding rotating speed according to given flow, and the electromagnetic coil on solenoid directional control valve 10 left side obtains electric, perform oil cylinder and advance,
3, perform oil cylinder to advance fast: actuating motor 4 performs corresponding rotating speed according to given flow, the electromagnetic coil on solenoid directional control valve 10 left side obtains electric, selector valve 23 obtains electric simultaneously, and cartridge valve 20 is opened, and the oil of accumulator 17 and the oil of servo oil pump 3 all enter execution oil cylinder.
4, perform oil cylinder pressurize: selector valve 23 obtains electric, and cartridge valve 20 is opened, the oil of accumulator 17 is for performing oil cylinder pressurize.
More than show and describe basic principle of the present utility model, major character and advantage of the present utility model.Those skilled in the art should understand the utility model and not be restricted to the described embodiments; what describe in above-described embodiment and specification just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.

Claims (7)

1. the energy-saving pump station of a step-less adjustment variable, comprise actuating motor (4), servo oil pump (3), safety valve (9), oil passage control valve (10), accumulator (17), executive component (5) and oil circuit control (2), it is characterized in that: the side of servo oil pump (3) is connected with actuating motor (4), and its outlet end respectively with safety valve (9), oil passage control valve (10) connects, an outlet of oil passage control valve (10) is connected with one-way valve (21), and be connected with accumulator (17), another of oil passage control valve (10) exports directly and executive component (5), oil circuit control (2) connects.
2. the energy-saving pump station of step-less adjustment variable according to claim 1, is characterized in that: described accumulator (17) adopts piston accumulator, and its upper end is filled with nitrogen, and lower end contains pressure oil, middlely adopts piston isolation.
3. the energy-saving pump station of step-less adjustment variable according to claim 2, it is characterized in that: the entry end of described accumulator (17) is connected with pressure transmitter (18) and oil pressure table (19), outlet end is connected with outlet air valve (15) gentle pressure gauge (16).
4. the energy-saving pump station of step-less adjustment variable according to claim 3, it is characterized in that: described accumulator (17) is connected with cartridge valve (20), an outlet of oil passage control valve (10) is connected with one-way valve (21), and accumulator (17) is connected mutually with one-way valve (21).
5. the energy-saving pump station of step-less adjustment variable according to claim 4, it is characterized in that: described cartridge valve (20) is connected with selector valve (23), selector valve (23) is connected with executive component (5), oil circuit control (2).
6. the energy-saving pump station of step-less adjustment variable according to claim 1, is characterized in that: described servo oil pump (3) is connected with servo fuel tap (6) and servo oil pressure table (7).
7. the energy-saving pump station of step-less adjustment variable according to any one of claim 1-6, it is characterized in that: the outlet end of described accumulator (17) has been connected with gas cylinder (14), gas cylinder (14) lower end is provided with air valve (13), supplements nitrogen when the nitrogen of accumulator (17) is very few by the cooperation of gas cylinder (14) and air valve (13).
CN201520629301.0U 2015-08-19 2015-08-19 Energy -conserving pump station of infinitely variable control variable Active CN205001263U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520629301.0U CN205001263U (en) 2015-08-19 2015-08-19 Energy -conserving pump station of infinitely variable control variable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520629301.0U CN205001263U (en) 2015-08-19 2015-08-19 Energy -conserving pump station of infinitely variable control variable

Publications (1)

Publication Number Publication Date
CN205001263U true CN205001263U (en) 2016-01-27

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CN201520629301.0U Active CN205001263U (en) 2015-08-19 2015-08-19 Energy -conserving pump station of infinitely variable control variable

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916144A (en) * 2018-07-04 2018-11-30 北京航天发射技术研究所 A kind of dynamic hydraulic combined oil supply system
CN108916153A (en) * 2018-07-05 2018-11-30 北京航天发射技术研究所 It is a kind of for lifting the gas drive Oil-source control method and system of Multi-stage cylinder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108916144A (en) * 2018-07-04 2018-11-30 北京航天发射技术研究所 A kind of dynamic hydraulic combined oil supply system
CN108916153A (en) * 2018-07-05 2018-11-30 北京航天发射技术研究所 It is a kind of for lifting the gas drive Oil-source control method and system of Multi-stage cylinder

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