CN111306122A - Proportional control hydraulic pressure adjusting device - Google Patents

Proportional control hydraulic pressure adjusting device Download PDF

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Publication number
CN111306122A
CN111306122A CN201911263340.2A CN201911263340A CN111306122A CN 111306122 A CN111306122 A CN 111306122A CN 201911263340 A CN201911263340 A CN 201911263340A CN 111306122 A CN111306122 A CN 111306122A
Authority
CN
China
Prior art keywords
valve
oil
proportional reversing
reversing valve
proportional
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.)
Withdrawn
Application number
CN201911263340.2A
Other languages
Chinese (zh)
Inventor
庄永飞
周东宝
刘国斌
李小平
张爱东
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.)
Jiangsu Zhinan Lubrication Hydraulic Technology Co ltd
Original Assignee
Jiangsu Zhinan Lubrication Hydraulic Technology Co ltd
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 Jiangsu Zhinan Lubrication Hydraulic Technology Co ltd filed Critical Jiangsu Zhinan Lubrication Hydraulic Technology Co ltd
Priority to CN201911263340.2A priority Critical patent/CN111306122A/en
Publication of CN111306122A publication Critical patent/CN111306122A/en
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/12—Special measures for increasing the sensitivity of the system
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/001—Servomotor systems with fluidic control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/041—Removal or measurement of solid or liquid contamination, e.g. filtering
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/35—Directional control combined with flow control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7057—Linear output members being of the telescopic type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
    • F15B2211/765—Control of position or angle of the output member
    • F15B2211/7656—Control of position or angle of the output member with continuous position control

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

The invention discloses a proportional control hydraulic pressure adjusting device, which comprises a filtering device connected with an oil inlet of the device, wherein the filtering device is provided with two filters, and one filter is used for standby; two groups of valve groups which are connected in parallel are arranged behind the filtering device, each valve group comprises a proportional reversing valve which is connected with the filtering device, one oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rod cavity of the oil cylinder, the other oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rodless cavity of the oil cylinder, and an oil return outlet of the proportional reversing valve is connected with an oil return opening of the device. The invention adopts the proportional reversing valve for control, adjusts the oil quantity entering the rod cavity and the rodless cavity of the oil cylinder, and has high control precision and excellent working performance.

Description

Proportional control hydraulic pressure adjusting device
Technical Field
The present invention relates to a hydraulic pressure adjusting apparatus.
Background
The existing oil supply device for supplying oil to the oil cylinder for adjusting the fan blades of the fans of the power plant and the like generally adopts the oil supply form of a servo oil cylinder, has low control precision and influences the working performance.
The invention aims to provide a novel proportional control hydraulic adjusting device with high control precision.
The technical solution of the invention is as follows:
a proportional control hydraulic pressure adjusting device is characterized in that: the filter device is provided with two filters, one filter is used for standby application, and the other filter is used for standby application; two groups of valve groups which are connected in parallel are arranged behind the filtering device, each valve group comprises a proportional reversing valve which is connected with the filtering device, one oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rod cavity of the oil cylinder, the other oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rodless cavity of the oil cylinder, and an oil return outlet of the proportional reversing valve is connected with an oil return opening of the device.
An adjusting valve is arranged between the filtering device and an oil inlet of the proportional reversing valve, an adjusting valve is arranged between an oil return port of the proportional reversing valve and an oil return port of the device, and a one-way valve is arranged behind the adjusting valve.
The invention adopts the proportional reversing valve for control, adjusts the oil quantity entering the rod cavity and the rodless cavity of the oil cylinder, and has high control precision and excellent working performance.
Drawings
The invention is further illustrated by the following figures and examples.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Detailed Description
A proportional control hydraulic pressure regulating device comprises a filtering device 3 connected with an oil inlet 1 of the device, wherein the filtering device is provided with two filters, and one filter is used and the other filter is reserved; two groups of valve sets which are connected in parallel are arranged behind the filtering device, each valve set comprises a proportional reversing valve 4 connected with the filtering device, one oil outlet A of the proportional reversing valve is connected with an electromagnetic valve Y1 (Y3) communicated with a rod cavity of the oil cylinder 5, the other oil outlet B of the proportional reversing valve is connected with an electromagnetic valve Y2 (Y4) communicated with a rodless cavity of the oil cylinder, and an oil return outlet T of the proportional reversing valve is connected with an oil return port 2 of the device.
An adjusting valve 6 is arranged between the filtering device and an oil inlet of the proportional reversing valve, an adjusting valve 7 is arranged between an oil return port of the proportional reversing valve and an oil return port of the device, and a one-way valve 8 is arranged behind the adjusting valve.

Claims (2)

1. A proportional control hydraulic pressure adjusting device is characterized in that: the filter device is provided with two filters, one filter is used for standby application, and the other filter is used for standby application; two groups of valve groups which are connected in parallel are arranged behind the filtering device, each valve group comprises a proportional reversing valve which is connected with the filtering device, one oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rod cavity of the oil cylinder, the other oil outlet of the proportional reversing valve is connected with an electromagnetic valve which is communicated with a rodless cavity of the oil cylinder, and an oil return outlet of the proportional reversing valve is connected with an oil return opening of the device.
2. The proportional control hydraulic pressure regulator according to claim 1, wherein: an adjusting valve is arranged between the filtering device and an oil inlet of the proportional reversing valve, an adjusting valve is arranged between an oil return port of the proportional reversing valve and an oil return port of the device, and a one-way valve is arranged behind the adjusting valve.
CN201911263340.2A 2019-12-11 2019-12-11 Proportional control hydraulic pressure adjusting device Withdrawn CN111306122A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911263340.2A CN111306122A (en) 2019-12-11 2019-12-11 Proportional control hydraulic pressure adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911263340.2A CN111306122A (en) 2019-12-11 2019-12-11 Proportional control hydraulic pressure adjusting device

Publications (1)

Publication Number Publication Date
CN111306122A true CN111306122A (en) 2020-06-19

Family

ID=71154792

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911263340.2A Withdrawn CN111306122A (en) 2019-12-11 2019-12-11 Proportional control hydraulic pressure adjusting device

Country Status (1)

Country Link
CN (1) CN111306122A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280021A (en) * 2021-05-11 2021-08-20 成都正山机械制造有限公司 Integrated proportional valve control method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113280021A (en) * 2021-05-11 2021-08-20 成都正山机械制造有限公司 Integrated proportional valve control method

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Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WW01 Invention patent application withdrawn after publication

Application publication date: 20200619

WW01 Invention patent application withdrawn after publication