CN203384139U - Inlet speed regulating loop - Google Patents

Inlet speed regulating loop Download PDF

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Publication number
CN203384139U
CN203384139U CN201320325229.3U CN201320325229U CN203384139U CN 203384139 U CN203384139 U CN 203384139U CN 201320325229 U CN201320325229 U CN 201320325229U CN 203384139 U CN203384139 U CN 203384139U
Authority
CN
China
Prior art keywords
oil hydraulic
valve
hydraulic pump
control circuit
solenoid directional
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
Application number
CN201320325229.3U
Other languages
Chinese (zh)
Inventor
陈永刚
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Business Technology Institute
Original Assignee
Zhejiang Business Technology Institute
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Business Technology Institute filed Critical Zhejiang Business Technology Institute
Priority to CN201320325229.3U priority Critical patent/CN203384139U/en
Application granted granted Critical
Publication of CN203384139U publication Critical patent/CN203384139U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to an inlet speed regulating loop. The inlet speed regulating loop comprises a hydraulic pump, an overflow valve, a pressure gauge and an electromagnetic directional valve, the overflow valve, the pressure gauge and the electromagnetic directional valve are all connected with the hydraulic pump, and the electromagnetic directional valve is connected with a hydraulic cylinder. By the structure, pressure of a system during working can be measured directly, and the inlet speed regulating loop is simple in structure and safe to operate.

Description

The import flow control circuit
Technical field
The utility model is specifically related to the import flow control circuit.
Background technique
In Hydraulic Power Transmission System, flow control circuit occupies an important position, for example, in the Machinery Tool Hydraulic Transmission system, flow control circuit for main movement and feed movement has important impact to the machine tooling quality, and, selection to other oil hydraulic circuits plays conclusive effect, the inlet throttle valve flow control circuit is by metering pump, relief valve, throttle valve and oil hydraulic cylinder form, throttle valve is connected on the in-line between oil hydraulic pump and hydraulic actuator, the size of the opening amount by changing throttle valve is regulated the flow that enters oil hydraulic cylinder, and then the movement velocity of regulator solution cylinder pressure, the defect existed in existing flow control circuit is that the pressure of system can not directly be measured.
Summary of the invention
Technical problem to be solved in the utility model is to provide the import flow control circuit, the pressure in the time of can directly measuring system works, simple in structure, handling safety.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: the import flow control circuit, comprise oil hydraulic pump, the relief valve be connected with oil hydraulic pump respectively, pressure gauge, solenoid directional control valve, and described solenoid directional control valve is connected with oil hydraulic cylinder.
As preferably, described oil hydraulic pump is connected to the right chamber of oil hydraulic cylinder by the left connection mouth of one-way valve, throttle valve and solenoid directional control valve successively, the left chamber of described oil hydraulic cylinder and the right connection mouth of solenoid directional control valve are connected to the first fuel tank, this structured liquid press pump fluid flow to the right chamber of oil hydraulic cylinder by the left connection mouth of one-way valve, throttle valve and solenoid directional control valve, the fluid in the left chamber of oil hydraulic cylinder flow to the first fuel tank by the right connection mouth of solenoid directional control valve, and now piston rod moves to left.
As preferably, described oil hydraulic pump also is connected to the second fuel tank by one-way valve and relief valve, and fluid unnecessary in this structured liquid press pump also flow to the second fuel tank by one-way valve and relief valve, operates safer, reliable.
As preferably, described oil hydraulic pump also is connected with pressure gauge by one-way valve, and this structured liquid press pump also is connected with pressure gauge by one-way valve, and the pressure while being convenient to measuring system work, further improve functional reliability.
As preferably, described pressure gauge lower end also is provided with magnetic switch, and the magnetic switch of this structural pressure table lower end is controlled and regulated pressure gauge, operates more convenient.
Beneficial effect:
The utility model adopts technique scheme to provide the import flow control circuit, the pressure in the time of can directly measuring system works, simple in structure, handling safety.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, the import flow control circuit, comprise oil hydraulic pump 1, the relief valve 2 be connected with oil hydraulic pump 1 respectively, pressure gauge 3, solenoid directional control valve 4, described solenoid directional control valve 4 is connected with oil hydraulic cylinder 5, described oil hydraulic pump 1 is successively by one-way valve 6, throttle valve 7 and the left connection mouth of solenoid directional control valve 4 are connected to the right chamber of oil hydraulic cylinder 5, the left chamber of described oil hydraulic cylinder 5 and the right connection mouth of solenoid directional control valve 4 are connected to the first fuel tank 8, described oil hydraulic pump 1 also is connected to the second fuel tank 9 by one-way valve 6 and relief valve 2, described oil hydraulic pump 1 also is connected with pressure gauge 3 by one-way valve 6, described pressure gauge 3 lower ends also are provided with magnetic switch 10.
During real work, this structured liquid press pump 1 fluid is by one-way valve 6, throttle valve 7 and the left connection mouth of solenoid directional control valve 4 flow to the right chamber of oil hydraulic cylinder 5, the fluid in oil hydraulic cylinder 5 left chambeies flow to the first fuel tank 8 by the right connection mouth of solenoid directional control valve 4, now piston rod moves to left, fluid unnecessary in this structured liquid press pump 1 also flow to the second fuel tank 9 by one-way valve 6 and relief valve 2, operate safer, reliably, this structured liquid press pump 1 also is connected with pressure gauge 3 by one-way valve 6, pressure while being convenient to measuring system work, further improve functional reliability, 10 pairs of pressure gauges 3 of the magnetic switch of this structural pressure table 3 lower end are controlled and are regulated, operate more convenient, pressure when the utility model can directly be measured system works, simple in structure, handling safety.
Specific embodiment described herein is only to the explanation for example of the utility model spirit, the utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Claims (5)

1. import flow control circuit, it is characterized in that: comprise oil hydraulic pump (1), the relief valve (2) be connected with oil hydraulic pump (1) respectively, pressure gauge (3), solenoid directional control valve (4), described solenoid directional control valve (4) is connected with oil hydraulic cylinder (5).
2. import flow control circuit according to claim 1, it is characterized in that: described oil hydraulic pump (1) is connected to the right chamber of oil hydraulic cylinder (5) by one-way valve (6), throttle valve (7) and the left connection mouth of solenoid directional control valve (4) successively, and the left chamber of described oil hydraulic cylinder (5) and the right connection mouth of solenoid directional control valve (4) are connected to the first fuel tank (8).
3. import flow control circuit according to claim 1 is characterized in that: described oil hydraulic pump (1) also is connected to the second fuel tank (9) by one-way valve (6) and relief valve (2).
4. import flow control circuit according to claim 1 is characterized in that: described oil hydraulic pump (1) also is connected with pressure gauge (3) by one-way valve (6).
5. import flow control circuit according to claim 1, it is characterized in that: described pressure gauge (3) lower end also is provided with magnetic switch (10).
CN201320325229.3U 2013-06-05 2013-06-05 Inlet speed regulating loop Expired - Fee Related CN203384139U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320325229.3U CN203384139U (en) 2013-06-05 2013-06-05 Inlet speed regulating loop

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320325229.3U CN203384139U (en) 2013-06-05 2013-06-05 Inlet speed regulating loop

Publications (1)

Publication Number Publication Date
CN203384139U true CN203384139U (en) 2014-01-08

Family

ID=49872640

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201320325229.3U Expired - Fee Related CN203384139U (en) 2013-06-05 2013-06-05 Inlet speed regulating loop

Country Status (1)

Country Link
CN (1) CN203384139U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103867531A (en) * 2014-03-14 2014-06-18 上海电气液压气动有限公司 Hydraulic power supply providing system
CN104196782A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Serially-connected composite throttling speed regulating loop for lifter
CN104196808A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Multilevel pressure regulating loop for lifter
CN104196780A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Speed regulating loop for lifter outlet overflow throttling valve
CN104235104A (en) * 2014-09-18 2014-12-24 芜湖高昌液压机电技术有限公司 Parallel connection combined throttle governing loop of lifting machine
CN104235106A (en) * 2014-09-18 2014-12-24 芜湖高昌液压机电技术有限公司 Shear-type lifting machine bypass oil mouth unloading loop
CN104405701A (en) * 2014-09-18 2015-03-11 芜湖高昌液压机电技术有限公司 Proportional pressure regulating loop for lifter
CN105020193A (en) * 2014-12-28 2015-11-04 高铁检测仪器(东莞)有限公司 Oil pressure control system
CN108895235A (en) * 2018-09-20 2018-11-27 新日域(湖南)机电制造有限公司 A kind of safety return-flow device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103867531A (en) * 2014-03-14 2014-06-18 上海电气液压气动有限公司 Hydraulic power supply providing system
CN104196782A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Serially-connected composite throttling speed regulating loop for lifter
CN104196808A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Multilevel pressure regulating loop for lifter
CN104196780A (en) * 2014-09-18 2014-12-10 芜湖高昌液压机电技术有限公司 Speed regulating loop for lifter outlet overflow throttling valve
CN104235104A (en) * 2014-09-18 2014-12-24 芜湖高昌液压机电技术有限公司 Parallel connection combined throttle governing loop of lifting machine
CN104235106A (en) * 2014-09-18 2014-12-24 芜湖高昌液压机电技术有限公司 Shear-type lifting machine bypass oil mouth unloading loop
CN104405701A (en) * 2014-09-18 2015-03-11 芜湖高昌液压机电技术有限公司 Proportional pressure regulating loop for lifter
CN105020193A (en) * 2014-12-28 2015-11-04 高铁检测仪器(东莞)有限公司 Oil pressure control system
CN108895235A (en) * 2018-09-20 2018-11-27 新日域(湖南)机电制造有限公司 A kind of safety return-flow device

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
EXPY Termination of patent right or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140108

Termination date: 20150605