CN203926236U - Single pump dual-speed hydraulic system - Google Patents

Single pump dual-speed hydraulic system Download PDF

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Publication number
CN203926236U
CN203926236U CN201420318413.XU CN201420318413U CN203926236U CN 203926236 U CN203926236 U CN 203926236U CN 201420318413 U CN201420318413 U CN 201420318413U CN 203926236 U CN203926236 U CN 203926236U
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China
Prior art keywords
oil
fuel tank
oil cylinder
valve
cylinder
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Active
Application number
CN201420318413.XU
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Chinese (zh)
Inventor
董立华
吴则卫
董利伟
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Fuxin branch hydraulic and pneumatic equipment manufacturing plant
Original Assignee
FUXIN HUAXIA HYDROPNEUMATIC EQUIPMENT MANUFACTURER
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Priority to CN201420318413.XU priority Critical patent/CN203926236U/en
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Publication of CN203926236U publication Critical patent/CN203926236U/en
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Abstract

The utility model belongs to hydraulic equipment, be particularly related to a kind of single pump dual-speed hydraulic system, liquid level liquid thermometer (12) is fixedly housed in the outer right wall of fuel tank (14), cooler (15) oil pipe for left end (13) connects fuel tank (14), oil pump (18) is placed in fuel tank (14), oil pump (18) upper end connects the output shaft of motor (21) with coupling, air-strainer (1) is fixedly housed respectively in fuel tank cap (19), Pilot operated check valve (2), oil-way board (9), relief valve (8), Pilot operated check valve (2) is connected respectively oil-way board (9) with relief valve (8), oil-way board (9) is equipped with respectively above and is attached thereto logical hand-operated direction valve (5) and one-way throttle valve (24), the cylinder barrel lower end of oil cylinder (7) is fixedly equipped with fixed flange (10), cylinder piston rod (7-1) lower end is fixedly equipped with mounting flange (11), single pump dual-speed hydraulic system can realize oil cylinder zero load with an oil pump and advance fast, heavy duty is pressurizeed at a slow speed, release is anxious returns, make whole extrusion process save for 2/3rds time.

Description

Single pump dual-speed hydraulic system
Technical field
The utility model belongs to hydraulic equipment, particularly a kind of single pump dual-speed hydraulic system.
Background technique
At present, in the using process of hydraulic system, while utilizing the material that oil cylinder pushes, packing large volume is softer, the resistance being subject to while pushing due to oil cylinder is very little, does not need slowly to cover stroke, but system is in the past because self defect can only wait oil cylinder slowly to cover the idle stroke that there is no load, the problem that the oil cylinder of especially large stroke manifests is more outstanding, waste a lot of time and the energy, reduced manufacturing efficiency, increased cost of production.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of and can make oil cylinder zero load advance fast, and heavy duty is pressurizeed at a slow speed, the anxious single pump dual-speed hydraulic system of returning of release.
The technological scheme that the utility model technical solution problem adopts is: single pump dual-speed hydraulic system comprises fuel tank, fuel tank cap, cooler, cooler retaining ring, cooler is ring seat fixedly, oil pump, motor cabinet, motor, pocket filter cleaner, Pilot operated check valve, pressure meter switch, pressure gauge, hand-operated direction valve, manual governing selector valve, oil cylinder, relief valve, oil-way board, liquid level liquid thermometer, oil pipe, be characterized in, in the outer right wall of fuel tank, liquid level liquid thermometer is fixedly housed, liquid level liquid thermometer is communicated with fuel tank internal, the upper fixedly ring seat of two coolers that is fixedly equipped with before fuel tank outside, cooler is fixedly fixedly equipped with cooler with cooler retaining ring in ring seat, cooler left end connects fuel tank with oil pipe, oil pump is placed in fuel tank, oil pump upper end connects the output shaft of motor with coupling, motor is installed on motor cabinet, motor cabinet is installed in fuel tank cap, and air-strainer is fixedly housed respectively in fuel tank cap, Pilot operated check valve, oil-way board, relief valve, air-strainer is communicated with fuel tank internal, Pilot operated check valve is connected respectively oil-way board with relief valve, above oil-way board, be equipped with respectively and be attached thereto logical hand-operated direction valve and one-way throttle valve, on one-way throttle valve, be equipped with and be attached thereto logical manual governing selector valve, oil-way board front end cloth is equipped with respectively and is attached thereto logical pressure meter switch, oil cylinder A chamber joint, oil cylinder B chamber joint, is equipped with pressure gauge, between oil pump and oil-way board on pressure meter switch, between cooler right-hand member and oil-way board, with oil pipe, be connected respectively, fuel tank the right is provided with oil cylinder, oil cylinder A chamber interface is equipped with in oil cylinder upper end, oil cylinder B chamber interface is equipped with in oil cylinder lower end, the cylinder barrel lower end of oil cylinder is fixedly equipped with fixed flange, cylinder piston rod is housed in oil cylinder, and cylinder piston rod lower end is fixedly equipped with mounting flange, between oil cylinder A chamber interface and oil cylinder A chamber joint, between oil cylinder B chamber interface and oil cylinder B chamber joint, with oil pipe, be connected respectively.
The beneficial effects of the utility model are: single pump dual-speed hydraulic system can realize that oil cylinder zero load is advanced fast, heavy duty is pressurizeed at a slow speed with an oil pump, release is anxious returns, make whole extrusion process save for 2/3rds time, thereby improved working efficiency, significantly reduced production costs.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, with embodiment, illustrate.
Fig. 1 is single pump dual-speed hydraulic system construction drawing.
In figure, 1-air-strainer; 2-Pilot operated check valve; 3-pressure meter switch; 4 pressure gauges; 5-hand-operated direction valve; 6-manual governing selector valve; 7-oil cylinder; 7-1-cylinder piston rod; 8-relief valve; 9-oil-way board; 10-fixed flange; 11-mounting flange; 12-liquid level liquid thermometer; 13-oil pipe; 14-fuel tank; 15-cooler; 16-cooler retaining ring; 17-cooler is ring seat fixedly; 18-oil pump; 19-fuel tank cap; 20-motor cabinet; 21-motor; 22-oil cylinder A chamber joint; 23-oil cylinder B chamber joint; 24-one-way throttle valve; A-oil cylinder A chamber interface; B-oil cylinder B chamber interface.
Embodiment
Embodiment, with reference to accompanying drawing 1, is fixedly equipped with liquid level liquid thermometer 12 in the outer right wall of the fuel tank 14 of single pump dual-speed hydraulic system, liquid level liquid thermometer 12 and fuel tank 14 internal communication.The outside upper fixedly ring seat 17 of two coolers that is fixedly equipped with above of fuel tank 14, cooler is fixedly fixedly equipped with cooler 15 with cooler retaining ring 16 in ring seat 17, cooler 15 left ends connect oil pump 18 with oil pipe 13, oil pump 18 is placed in fuel tank 14, oil pump 18 upper ends connect the output shaft of motor 21 with coupling, motor 21 is installed on motor cabinet 20, and motor cabinet 20 is installed in fuel tank cap 19, and fuel tank cap 19 is contained in above fuel tank 14.Fuel tank cap 19 is fixedly equipped with respectively air-strainer 1 above, Pilot operated check valve 2, oil-way board 9, relief valve 8, air-strainer 1 and fuel tank 14 internal communication, Pilot operated check valve 2 is connected respectively oil-way board 9 with relief valve 8, oil-way board 9 is equipped with respectively and is attached thereto logical hand-operated direction valve 5 and one-way throttle valve 24 above, on one-way throttle valve 24, be equipped with and be attached thereto logical manual governing selector valve 6, on oil-way board 9 front-end faces, be equipped with respectively and be attached thereto logical pressure meter switch 3, oil cylinder A chamber joint 22, oil cylinder B chamber joint 23, pressure gauge 4 is housed on pressure meter switch 3, between oil pump 18 and oil-way board 9, between cooler 15 right-hand members and oil-way board 9, with oil pipe 13, be connected respectively.Fuel tank 14 the right are provided with oil cylinder 7, oil cylinder A chamber interface A is equipped with in oil cylinder 7 upper ends, oil cylinder B chamber interface B is equipped with in oil cylinder 7 lower ends, the cylinder barrel lower end of oil cylinder 7 is fixedly equipped with fixed flange 10, cylinder piston rod 7-1 is housed in oil cylinder 7, cylinder piston rod 7-1 lower end is fixedly equipped with mounting flange 11, between oil cylinder A chamber joint A and oil cylinder A chamber joint 22, be connected with oil pipe 13 between oil cylinder B chamber interface and oil cylinder B chamber joint 23.
The working procedure of single pump dual-speed hydraulic system is: during work, motor 21 connects electricity and starts, drive the oil pump 18 in fuel tank 14 to rotate, oil pump 18 injects in the A chamber of oil cylinder 7 hydraulic oil by pipeline 13, oil-way board 9, Pilot operated check valve 2, relief valve 8, one-way throttle valve 24, hand-operated direction valve 5.Moving manual governing selector valve 6 is promptly injected in the rodless cavity of oil cylinder 7 hydraulic oil, cylinder piston rod 7-1 is pushed out rapidly, when the soft material of large volume reduced to a certain extent time, decontrol manual governing selector valve 6, move hand-operated direction valve 5, control cylinder piston rod 7-1 and slowly push the soft material of reduced volume, make it meet the requirements of state, again moving manual governing selector valve 6 is retracted in the inner chamber of oil cylinder 7 cylinder piston rod 7-1 rapidly, so just completed a course of action of oil cylinder 7, oil cylinder 7 stretches out and retracts and all complete fast like this, operating time can be saved, increase work efficiency.

Claims (1)

1. a single pump dual-speed hydraulic system, comprise fuel tank (14), fuel tank cap (19), cooler (15), cooler retaining ring (16), cooler is ring seat (17) fixedly, oil pump (18), motor cabinet (20), motor (21), pocket filter cleaner (1), Pilot operated check valve (2), pressure meter switch (3), pressure gauge (4), hand-operated direction valve (5), manual governing selector valve (6), oil cylinder (7), relief valve (8), oil-way board (9), liquid level liquid thermometer (12), oil pipe (13), it is characterized in that, in the outer right wall of fuel tank (14), liquid level liquid thermometer (12) is fixedly housed, liquid level liquid thermometer (12) and fuel tank (14) internal communication, the outside upper fixedly ring seat (17) of two coolers that is fixedly equipped with above of fuel tank (14), cooler fixedly ring seat (17) is above fixedly equipped with cooler (15) with cooler retaining ring (16), cooler (15) oil pipe for left end (13) connects fuel tank (14), oil pump (18) is placed in fuel tank (14), oil pump (18) upper end connects the output shaft of motor (21) with coupling, motor (21) is installed on motor cabinet (20), motor cabinet (20) is installed in fuel tank cap (19), air-strainer (1) is fixedly housed respectively in fuel tank cap (19), Pilot operated check valve (2), oil-way board (9), relief valve (8), air-strainer (1) and fuel tank (14) internal communication, Pilot operated check valve (2) is connected respectively oil-way board (9) with relief valve (8), oil-way board (9) is equipped with respectively above and is attached thereto logical hand-operated direction valve (5) and one-way throttle valve (24), on one-way throttle valve (24), be equipped with and be attached thereto logical manual governing selector valve (6), oil-way board (9) front end cloth is equipped with respectively and is attached thereto logical pressure meter switch (3), oil cylinder A chamber joint (22), oil cylinder B chamber joint (23), pressure gauge (4) is housed on pressure meter switch (3), between oil pump (18) and oil-way board (9), between cooler (15) right-hand member and oil-way board (9), use respectively oil pipe (13) to be connected, fuel tank (14) the right is provided with oil cylinder (7), oil cylinder A chamber interface is equipped with in oil cylinder (7) upper end, oil cylinder B chamber interface is equipped with in oil cylinder (7) lower end, the cylinder barrel lower end of oil cylinder (7) is fixedly equipped with fixed flange (10), cylinder piston rod (7-1) is housed in oil cylinder (7), cylinder piston rod (7-1) lower end is fixedly equipped with mounting flange (11), between oil cylinder A chamber interface and oil cylinder A chamber joint (22), between oil cylinder B chamber interface and oil cylinder B chamber joint (23), use respectively oil pipe (13) to be connected.
CN201420318413.XU 2014-06-16 2014-06-16 Single pump dual-speed hydraulic system Active CN203926236U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420318413.XU CN203926236U (en) 2014-06-16 2014-06-16 Single pump dual-speed hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420318413.XU CN203926236U (en) 2014-06-16 2014-06-16 Single pump dual-speed hydraulic system

Publications (1)

Publication Number Publication Date
CN203926236U true CN203926236U (en) 2014-11-05

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420318413.XU Active CN203926236U (en) 2014-06-16 2014-06-16 Single pump dual-speed hydraulic system

Country Status (1)

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CN (1) CN203926236U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104088863A (en) * 2014-06-16 2014-10-08 阜新华厦液压气动设备制造厂 Single-pump double-speed hydraulic system
CN105822629A (en) * 2014-12-19 2016-08-03 罗伯特·博世有限公司 Hydraulic unit and method for operating hydraulic unit
CN106739125A (en) * 2017-03-02 2017-05-31 徐州徐工环境技术有限公司 Trash compactor is cut somebody's hair control device, method and trash compactor

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104088863A (en) * 2014-06-16 2014-10-08 阜新华厦液压气动设备制造厂 Single-pump double-speed hydraulic system
CN104088863B (en) * 2014-06-16 2017-01-04 阜新澳科液压气动设备制造厂 Single pump dual-speed hydraulic system
CN105822629A (en) * 2014-12-19 2016-08-03 罗伯特·博世有限公司 Hydraulic unit and method for operating hydraulic unit
CN105822629B (en) * 2014-12-19 2021-05-04 罗伯特·博世有限公司 Hydraulic unit and method for operating a hydraulic unit
CN106739125A (en) * 2017-03-02 2017-05-31 徐州徐工环境技术有限公司 Trash compactor is cut somebody's hair control device, method and trash compactor

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP03 Change of name, title or address

Address after: Four Haizhou City, Fuxin Province Road, the Commission of the No. 123000,

Patentee after: Fuxin branch hydraulic and pneumatic equipment manufacturing plant

Address before: 123000, Fuxin Road, Haizhou District, Liaoning Province, four Party committees (east side of Railway Party School)

Patentee before: FUXIN HUAXIA HYDROPNEUMATIC EQUIPMENT MANUFACTURER

C56 Change in the name or address of the patentee