CN112594235B - Bidirectional speed-regulating hydraulic valve group - Google Patents
Bidirectional speed-regulating hydraulic valve group Download PDFInfo
- Publication number
- CN112594235B CN112594235B CN202011626523.9A CN202011626523A CN112594235B CN 112594235 B CN112594235 B CN 112594235B CN 202011626523 A CN202011626523 A CN 202011626523A CN 112594235 B CN112594235 B CN 112594235B
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- Prior art keywords
- valve
- port
- communicated
- inlet
- hydraulic
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 66
- 230000001105 regulatory effect Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000005553 drilling Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
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- 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
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
-
- 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
-
- 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
- F15B2211/775—Combined control, e.g. control of speed and force for providing a high speed approach stroke with low force followed by a low speed working stroke with high force, e.g. for a hydraulic press
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
The invention relates to a bidirectional speed regulation hydraulic valve group, which comprises a proportional speed regulation valve, wherein an inlet of the proportional speed regulation valve is connected with an inlet of an electromagnetic proportional overflow valve, an outlet of the electromagnetic proportional overflow valve is communicated with an oil return port, an inlet of the proportional speed regulation valve is simultaneously connected with outlets of a first check valve and a second check valve, an outlet of the proportional speed regulation valve is simultaneously connected with outlets of a first hydraulic check valve and a second hydraulic check valve, an inlet of the first hydraulic check valve is communicated with a first working oil port, an inlet of the second hydraulic check valve is communicated with a second working oil port, a hydraulic control port of the first hydraulic check valve is communicated with a first pressure oil port, and a hydraulic control port of the second hydraulic check valve is communicated with a second pressure oil port. The invention can bidirectionally adjust the pressurizing and lifting speed and pressure of the working device, and improves the performance of the whole machine, and has the advantages of simple structure, small volume, convenient installation, simple pipeline connection, safety, reliability and low cost.
Description
Technical Field
The invention relates to a bidirectional speed regulation hydraulic valve group, and belongs to the technical field of drilling machine hydraulic pressure.
Background
The underground water sampling and repairing integrated drilling machine needs to perform pressurization and lifting actions on the working device, and the pressurization and lifting preferably have a speed regulation function, so that the pressurization and lifting speed and pressure can be adjusted in real time according to working conditions, the performance of the whole machine is improved, and if the pressurization speed regulation and the lifting speed regulation are combined into a whole, the space is saved, the installation is simple, and the cost can be reduced.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a two-way speed-regulating hydraulic valve group which can bidirectionally regulate the pressurizing and lifting speed and pressure of a working device, thereby improving the performance of the whole machine, and the two-way speed-regulating hydraulic valve group has the advantages of simple structure, small volume, convenient installation, simple pipeline connection, safety, reliability and low cost.
According to the technical scheme provided by the invention: the inlet of the proportional speed regulating valve is connected with the inlet of the electromagnetic proportional overflow valve, the outlet of the electromagnetic proportional overflow valve is communicated with the oil return port, the inlet of the proportional speed regulating valve is simultaneously connected with the outlets of the first check valve and the second check valve, the outlet of the proportional speed regulating valve is simultaneously connected with the outlets of the first hydraulic check valve and the second hydraulic check valve, the inlet of the first hydraulic check valve is communicated with the first working oil port, the inlet of the second hydraulic check valve is communicated with the second working oil port, the hydraulic control port of the first hydraulic check valve is communicated with the first pressure oil port, the hydraulic control port of the second hydraulic check valve is communicated with the second pressure oil port, the inlet of the first check valve is communicated with the first pressure oil port, the inlet of the second check valve is communicated with the second pressure oil port, the outlet of the third check valve is communicated with the first pressure oil port, the inlet of the third check valve is communicated with the first working oil port, the outlet of the fourth check valve is communicated with the fourth pressure oil port, and the fourth hydraulic check valve is communicated with the fourth working oil port.
As a further improvement of the invention, the first pressure oil port is connected with a corresponding oil port of the main valve.
As a further improvement of the invention, the second pressure oil port is connected with the corresponding oil port of the main valve.
As a further development of the invention, the return opening communicates with the tank.
As a further improvement of the invention, the first working oil port is connected with the rodless cavity of the oil cylinder.
As a further improvement of the invention, the second working oil port is connected with a rod cavity of the oil cylinder.
Compared with the prior art, the invention has the following advantages:
The invention can realize the speed regulation function at two sides of the pressurizing lifting cylinder, thereby improving the performance of the whole machine; the structure is simple, the volume is small, and the installation is easy; the pipeline connection is simple, safe and reliable, and the cost is low.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Reference numerals illustrate: 1-first hydraulic control check valve, 2-proportional speed control valve, 3-second hydraulic control check valve, 4-fourth check valve, 5-second check valve, 6-electromagnetic proportional overflow valve, 7-first check valve, 8-third check valve, 9-oil return port, 10-first work oil port, 11-second work oil port, 12-first pressure oil port and 13-second pressure oil port.
Detailed Description
The invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a bidirectional speed regulation hydraulic valve group comprises a proportional speed regulation valve 2, wherein an inlet of the proportional speed regulation valve 2 is connected with an inlet of an electromagnetic proportional overflow valve 6, an outlet of the electromagnetic proportional overflow valve 6 is connected with an oil return port 9, an inlet of the proportional speed regulation valve 2 is simultaneously connected with outlets of a first one-way valve 7 and a second one-way valve 5, an outlet of the proportional speed regulation valve 2 is simultaneously connected with outlets of a first hydraulic one-way valve 1 and a second hydraulic one-way valve 3, an inlet of the first hydraulic one-way valve 1 is connected with a first working oil port 10, an inlet of the second hydraulic one-way valve 3 is connected with a second working oil port 11, a hydraulic one-way port of the first hydraulic one-way valve 1 is connected with the first pressure oil port 12, a hydraulic one-way valve 3 is connected with a second pressure oil port 13, an inlet of the first one-way valve 7 is connected with the first pressure oil port 12, an inlet of the second one-way valve 5 is connected with the second pressure oil port 13, an outlet of the third one-way valve 8 is connected with the first one-way valve 10, an inlet of the third one-way valve 8 is connected with the fourth one-way valve 4 is connected with the second one-way valve 11.
The first pressure oil port 12 is connected with an outlet corresponding to the main valve, the second pressure oil port 13 is connected with an outlet corresponding to the main valve, the first working oil port 10 is connected with a rodless cavity of the oil cylinder, and the oil is pressurized and supplied for the executive component; the second working oil port 11 is connected with a rod cavity of the oil cylinder and used for lifting and supplying oil for the executing element.
The working process of the invention is as follows:
The main valve is controlled, so that the first pressure port 12 supplies pressure oil, the second pressure port 13 does not have pressure oil, the pressure oil reaches the first working oil port 10 through the first one-way valve 7, the proportional speed regulating valve 2 and the first hydraulic control one-way valve 1, enters a rodless cavity of the oil cylinder, pressurizes and supplies oil for an executing element, and oil in the rod cavity returns through the second working oil port 11, the fourth one-way valve 4 and the second pressure port 13; the main valve is controlled to enable the second pressure port 13 to supply pressure oil, the first pressure port 12 is free of pressure oil, then the pressure oil reaches the second working oil port 11 through the second one-way valve 5, the proportional speed regulating valve 2 and the second hydraulic control one-way valve 3 to enter a rod cavity of the oil cylinder, lifting oil is supplied for an executing element, and oil in the rod cavity is returned through the first working oil port 10, the third one-way valve 8 and the first pressure port 12. The set pressure of the electromagnetic proportional relief valve 6 is the working pressure of the oil cylinder action, and the pressure can be regulated at any time.
The first non-return valve 7 serves to isolate the pressure disturbance of the second pressure port 13 to the first pressure port 12 and the second non-return valve 5 serves to isolate the pressure disturbance of the first pressure port 12 to the second pressure port 13.
The first hydraulic control one-way valve 1 is used for isolating the pressure interference of the second working oil port 11 to the first working oil port 10, and the second hydraulic control one-way valve 3 is used for isolating the pressure interference of the first working oil port 10 to the second working oil port 11.
The third one-way valve 8 has the function of separating the hydraulic oil of the first hydraulic one-way valve 1 from the first working oil port 10, so that the pressure oil enters the liver-free cavity of the oil cylinder after passing through the speed regulation of the proportional speed regulation valve 2; the fourth check valve 4 separates the hydraulic oil of the second hydraulic check valve 3 from the second working oil port 11, so that the pressure oil enters the rodless cavity of the oil cylinder after passing through the speed regulation of the proportional speed regulation valve 2.
It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.
Claims (2)
1. The bidirectional speed regulation hydraulic valve bank is characterized by comprising a proportional speed regulation valve (2), wherein an inlet of the proportional speed regulation valve (2) is connected with an inlet of an electromagnetic proportional overflow valve (6), an outlet of the electromagnetic proportional overflow valve (6) is communicated with an oil return port (9), an inlet of the proportional speed regulation valve (2) is simultaneously connected with outlets of a first one-way valve (7) and a second one-way valve (5), and an outlet of the proportional speed regulation valve (2) is simultaneously connected with outlets of a first hydraulic control one-way valve (1) and a second hydraulic control one-way valve (3); the inlet of the first hydraulic control one-way valve (1) is communicated with a first working oil port (10), the inlet of the second hydraulic control one-way valve (3) is communicated with a second working oil port (11), the hydraulic control port of the first hydraulic control one-way valve (1) is communicated with a first pressure oil port (12), the hydraulic control port of the second hydraulic control one-way valve (3) is communicated with a second pressure oil port (13), the inlet of the first one-way valve (7) is communicated with the first pressure oil port (12), the inlet of the second one-way valve (5) is communicated with the second pressure oil port (13), the outlet of the third one-way valve (8) is communicated with the first working oil port (10), the outlet of the fourth one-way valve (4) is communicated with the second pressure oil port (13), and the inlet of the fourth one-way valve (4) is communicated with the second working oil port (11);
the first working oil port (10) is connected with the rodless cavity of the oil cylinder;
the second working oil port (11) is connected with a rod cavity of the oil cylinder.
2. A two-way speed valve group according to claim 1, characterized in that the return port (9) communicates with the tank.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626523.9A CN112594235B (en) | 2020-12-30 | 2020-12-30 | Bidirectional speed-regulating hydraulic valve group |
| PCT/CN2021/140651 WO2022143357A1 (en) | 2020-12-30 | 2021-12-23 | Bidirectional speed-adjustment hydraulic valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011626523.9A CN112594235B (en) | 2020-12-30 | 2020-12-30 | Bidirectional speed-regulating hydraulic valve group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112594235A CN112594235A (en) | 2021-04-02 |
| CN112594235B true CN112594235B (en) | 2024-06-11 |
Family
ID=75206660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011626523.9A Active CN112594235B (en) | 2020-12-30 | 2020-12-30 | Bidirectional speed-regulating hydraulic valve group |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN112594235B (en) |
| WO (1) | WO2022143357A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594235B (en) * | 2020-12-30 | 2024-06-11 | 江苏省无锡探矿机械总厂有限公司 | Bidirectional speed-regulating hydraulic valve group |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362018A (en) * | 1980-06-12 | 1982-12-07 | Kobe Steel, Ltd. | Hydraulic rotation control circuit |
| JPH02180301A (en) * | 1988-12-29 | 1990-07-13 | Techno-Le:Kk | Hydraulic actuator circuit having speed reduction function |
| JPH09166101A (en) * | 1995-12-18 | 1997-06-24 | Tokimec Inc | Circuit pressure holding device for hydraulic closing circuit |
| CN1456819A (en) * | 2003-06-07 | 2003-11-19 | 浙江大学 | Trolley hydraulic control system of dredge boat positioning pile |
| CN101576057A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Safety braking system of wind power generating device |
| CN106402058A (en) * | 2016-10-28 | 2017-02-15 | 北京科技大学 | Valve block assembly of pure electric dump truck hydraulic lifting system |
| CN214499592U (en) * | 2020-12-30 | 2021-10-26 | 江苏省无锡探矿机械总厂有限公司 | Two-way speed governing hydraulic pressure valves |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10151810A1 (en) * | 2001-10-20 | 2003-05-08 | Hydac Internat Gmbh | Control unit for a fluid drive used with a hydraulic deformation or forming machine has, low and high range pressure supply units, which are used by the control unit to control the pressure output that regulates the fluid drive |
| CN104481938A (en) * | 2014-12-10 | 2015-04-01 | 天津金诺鼎液压科技有限公司 | Hydraulic system with differential-pressure circuit |
| CN205910075U (en) * | 2016-07-19 | 2017-01-25 | 成都源云机械有限公司 | A testing arrangement for hydraulic hose withstand voltage test |
| CN207630390U (en) * | 2017-10-26 | 2018-07-20 | 杭州方圆塑机股份有限公司 | EPS automatic moulding machine hydraulic control systems |
| CN209710708U (en) * | 2019-03-04 | 2019-12-03 | 石河子大学 | A kind of hydraulic control circuit being useful in the double case fertilizer applicators in field |
| CN112594235B (en) * | 2020-12-30 | 2024-06-11 | 江苏省无锡探矿机械总厂有限公司 | Bidirectional speed-regulating hydraulic valve group |
-
2020
- 2020-12-30 CN CN202011626523.9A patent/CN112594235B/en active Active
-
2021
- 2021-12-23 WO PCT/CN2021/140651 patent/WO2022143357A1/en active Application Filing
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362018A (en) * | 1980-06-12 | 1982-12-07 | Kobe Steel, Ltd. | Hydraulic rotation control circuit |
| JPH02180301A (en) * | 1988-12-29 | 1990-07-13 | Techno-Le:Kk | Hydraulic actuator circuit having speed reduction function |
| JPH09166101A (en) * | 1995-12-18 | 1997-06-24 | Tokimec Inc | Circuit pressure holding device for hydraulic closing circuit |
| CN1456819A (en) * | 2003-06-07 | 2003-11-19 | 浙江大学 | Trolley hydraulic control system of dredge boat positioning pile |
| CN101576057A (en) * | 2008-12-18 | 2009-11-11 | 上海电气液压气动有限公司 | Safety braking system of wind power generating device |
| CN106402058A (en) * | 2016-10-28 | 2017-02-15 | 北京科技大学 | Valve block assembly of pure electric dump truck hydraulic lifting system |
| CN214499592U (en) * | 2020-12-30 | 2021-10-26 | 江苏省无锡探矿机械总厂有限公司 | Two-way speed governing hydraulic pressure valves |
Non-Patent Citations (1)
| Title |
|---|
| 一种新型液压电梯驱动系统方案;刘忠;杨能;赵飞;刘军军;满增光;现代制造工程;20161231(第12期);第26-30页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112594235A (en) | 2021-04-02 |
| WO2022143357A1 (en) | 2022-07-07 |
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