CN107989847A - A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system - Google Patents
A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system Download PDFInfo
- Publication number
- CN107989847A CN107989847A CN201711482451.3A CN201711482451A CN107989847A CN 107989847 A CN107989847 A CN 107989847A CN 201711482451 A CN201711482451 A CN 201711482451A CN 107989847 A CN107989847 A CN 107989847A
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- Prior art keywords
- pressure
- valve
- hydraulic cylinder
- proportional throttle
- throttle valve
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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
- 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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
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- 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 kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system, including high-pressure plunger pump, three position four-way directional control valve, proportional throttle valve and high-pressure hydraulic cylinder；Three position four-way directional control valve is connected with high-pressure plunger pump, proportional throttle valve, high-pressure hydraulic cylinder and fuel tank respectively；High-pressure hydraulic cylinder connects fictitious load by high-pressure piston rod, and the input terminal of high-pressure hydraulic cylinder and the output terminal of proportional throttle valve connect；Proportional throttle valve and 4 check valves form bridge type return system.Use of the present invention can have the three position four-way directional control valve of two oil circuit oil inlets, substitute multiple duty valves in two kinds of equipment, realize the high temperature and pressure biased valve of left and right energization left and right oil inlet, and adjustment oil pressure is realized by bridge type return system, hydraulic cylinder rodless cavity is controlled into and out of flow, the function of two proportional throttle valves is realized with a proportional throttle valve, completes testing inspection of the high temperature high pressure oil to hydraulic part into the right side into speed in a control cylinder left side.
Description
Technical field
It is high more particularly to a kind of three-position four-way hydraulic combination valve the present invention relates to air equipment signal detecting technical field
Warm high-pressure oil passage system.
Background technology
The hydraulic plumbing system of hydraulic air equipment is high voltage bearing to the various hydraulic part airtight qualities of aviation and high temperature resistance
Various Strength Mass index requests are very high, must also before installation although work in-process has all done stringent detection
The various Complicated Limit states of simulated altitude flight carry out the various simulation tests such as high temperature and pressure, do the hydraulic pressure of this test bench installation
System must simulate the most extreme condition that aircraft flies on high.The existing multiple check valve oil circuit skills of simulation test generally use
Art equipment is tested；But when testing, there is operating pressure and reach standard, medium temperature does not reach requirement；Medium temperature reaches
It is required that pressure does not reach standard.If the oil circuit equipment using two kinds of multiple check valve combinations separately distinguishes Medium Oil
Processing, i.e., first heat up Medium Oil using a kind of equipment, reach 150 DEG C of oil temperature standards, test the heat-resisting quantity of hydraulic part
Can, then high temperature oil is carried out in another equipment to be pressurized to 35MPa, in the barotolerance to hydraulic part test hydraulic part
Energy.So every equipment needs to configure multiple duty valves, and not only volume is big, also there are Leakage, is not suitable for air equipment inspection
Test.And both equipment tests are time-consuming and laborious, the consumption to Medium Oil wastes also very big.
The content of the invention
In order to solve the above problem existing in the prior art, the present invention, which will design one kind, can realize temperature and pressure at the same time
It is up to standard, and do not increase equipment occupation space and time saving and energy saving three-position four-way hydraulic combination valve high temperature and pressure oil circuit system.
Technical solution provided by the invention is as follows：A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system, including
High-pressure plunger pump, three position four-way directional control valve, proportional throttle valve, high-pressure hydraulic cylinder, fictitious load and fuel tank；
The three position four-way directional control valve is connected with high-pressure plunger pump, proportional throttle valve, high-pressure hydraulic cylinder and fuel tank respectively；
The high-pressure hydraulic cylinder connects fictitious load, input terminal and the ratio throttling of the high-pressure hydraulic cylinder by high-pressure piston rod
The output terminal connection of valve；
The proportional throttle valve forms bridge type return system with check valve a, check valve b, check valve c and check valve d, than
One end of example throttle valve is connected with check valve b and check valve c respectively, the other end of proportional throttle valve respectively with check valve a and list
To valve d connections；The output terminal of the high-pressure plunger pump is connected between check valve a and check valve b on pipeline；The high pressure
The input terminal of hydraulic cylinder is connected between check valve c and check valve d on pipeline.
Further, overflow valve, the outlet of overflow valve are set between the high-pressure plunger pump and three position four-way directional control valve
End connection fuel tank.
Further, the high-pressure hydraulic cylinder is also connected with high pressure transmitter a and high pressure transmitter b respectively, high voltage variable
Send device a high pressure transmitter b is installed on three position four-way directional control valve on the pipeline between proportional throttle valve and high-pressure hydraulic cylinder
On pipeline between high-pressure hydraulic cylinder；Low pressure pick-up is also installed on pipeline between the three position four-way directional control valve and fuel tank
Device and temperature transmitter.
Further, set on high pressure transmitter a, the high pressure transmitter b and the respective entrance pipe of low pressure transmitter
Put shut-off valve.
The beneficial effects of the invention are as follows：
1st, the present invention uses a three position four-way directional control valve that can have two oil circuit oil inlets, substitutes multiple in two kinds of equipment
Duty valve, realizes the high temperature and pressure biased valve of left and right energization left and right oil inlet, and by four check valves and a ratio in oil circuit
Throttle valve forms a bridge type return system, realizes adjustment oil pressure, and control hydraulic cylinder rodless cavity is left into and out of flow, control cylinder
Into the right side into speed, the function of two proportional throttle valves is realized with a proportional throttle valve, completes high temperature high pressure oil to hydraulic part
Testing inspection.
2nd, the present invention uses a three position four-way directional control valve that can have two oil circuit oil inlets, substitutes multiple in two kinds of equipment
Duty valve, realize it is small, easy to operate, cost-effective, save labor, detect it is directly perceived accurate.
Brief description of the drawings
Fig. 1 is three-position four-way hydraulic alternative combinations valve high temperature and pressure oil circuit system schematic.
Work flow diagram when Fig. 2 is powered for the left electromagnet of three position four-way directional control valve.
Work flow diagram when Fig. 3 is powered for the right electromagnet of three position four-way directional control valve.
In figure：1- high-pressure plunger pumps, 2- three position four-way directional control valves, 3- check valves a, 4- check valve b, 5- proportional throttle valve,
6- check valves c, 7- shut-off valve, 8- high pressure transmitter a, 9- check valve d, 10- high-pressure hydraulic cylinders, 11- high-pressure piston rods, 12- moulds
Intend load, 13- temperature transmitters, 14- low pressure transmitters, 15- fuel tanks, 16- overflow valves, 17- high pressure transmitters b.
Embodiment
The present invention is further described below in conjunction with the accompanying drawings.As shown in Figs. 1-3, a kind of three-position four-way hydraulic combination valve
High temperature and pressure oil circuit system, including high-pressure plunger pump 1, three position four-way directional control valve 2, proportional throttle valve 5, high-pressure hydraulic cylinder 10, mould
Intend load 12 and fuel tank 15；
The three position four-way directional control valve 2 respectively with high-pressure plunger pump 1, proportional throttle valve 5, high-pressure hydraulic cylinder 10 and fuel tank
15 connections；The high-pressure hydraulic cylinder 10 connects fictitious load 12 by high-pressure piston rod 11, the high-pressure hydraulic cylinder 10
Input terminal is connected with the output terminal of proportional throttle valve 5；
The proportional throttle valve 5 forms bridge type return system with check valve a3, check valve b4, check valve c6 and check valve d9
System, one end of proportional throttle valve 5 is connected with check valve b4 and check valve c6 respectively, the other end of proportional throttle valve 5 respectively with list
Connected to valve a3 with check valve d9；The output terminal of the high-pressure plunger pump 1 is connected between check valve a3 and check valve b4 and manages
Lu Shang；The input terminal of the high-pressure hydraulic cylinder 10 is connected between check valve c6 and check valve d9 on pipeline.
Further, overflow valve 16, overflow valve 16 are set between the high-pressure plunger pump 1 and three position four-way directional control valve 2
The port of export connection fuel tank 15.
Further, the high-pressure hydraulic cylinder 10 is also connected with high pressure transmitter a8 and high pressure transmitter b17 respectively, high
Pressure transmitter a8 is installed on the pipeline between proportional throttle valve 5 and high-pressure hydraulic cylinder 10, and high pressure transmitter b17 is installed on three
On pipeline between four-way reversing valve 2 and high-pressure hydraulic cylinder 10；Pipeline between the three position four-way directional control valve 2 and fuel tank 15
On low pressure transmitter 14 and temperature transmitter 13 are also installed.
Further, high pressure transmitter a8, the high pressure transmitter b17 and 14 respective entrance pipe of low pressure transmitter
Upper setting shut-off valve 7.
The workflow of the present invention is as follows：
When 2 left electromagnet of three position four-way directional control valve is powered, the hydraulic oil of high temperature and pressure first passes through the suction boat of high-pressure plunger pump 1
Empty oil, pressurizes by high-pressure plunger pump 1, and hydraulic oil flows into three position four-way directional control valve 2, subsequently enters the list in bridge type return system
To valve a3, subsequently enter proportional throttle valve 5, proportional throttle valve 5 automatically turn on automatic Regulation, hydraulic oil by check valve d9 into
Enter 10 left end of high-pressure hydraulic cylinder, at this moment 10 left end pressure of high-pressure hydraulic cylinder is more than right end pressure, and high-pressure piston rod 11 moves right,
The hydraulic oil of 10 right end oil cylinder of high-pressure hydraulic cylinder flows to fuel tank 15 by three position four-way directional control valve 2, and high-pressure piston rod 11 is to external mold
Intend 12 output kinetic energies of load, complete the test to high-pressure hydraulic cylinder 10 and hydraulic system components high-pressure plunger pump 1.
When 2 left electromagnet of three position four-way directional control valve is powered, the hydraulic oil of high temperature and pressure first passes through the suction boat of high-pressure plunger pump 1
Empty oil, pressurizes by high-pressure plunger pump 1, and hydraulic oil flows into three position four-way directional control valve 2, subsequently enters 10 right end of high-pressure hydraulic cylinder oil
Cylinder, when right end pressure is more than left end pressure, high-pressure piston rod 11 is moved to the left oil cylinder, and left end oil cylinder hydraulic oil is returned into bridge-type
The check valve c6 of road system, subsequently enters proportional throttle valve 5, and after proportional throttle valve 5 automatically turns on automatic Regulation, hydraulic oil leads to
Cross check valve a3 and enter three position four-way directional control valve 2, then hydraulic oil flows to fuel tank 15 by pipeline, and high-pressure piston rod 11 is to moving to left
Move external fictitious load 12 to pull back kinetic energy, complete the test to high-pressure hydraulic cylinder 10 and hydraulic system components high-pressure plunger pump 1.
Embodiment：
Aircraft hydraulic system is carried out using three-position four-way hydraulic alternative combinations valve high temperature and pressure oil circuit system of the present invention
Operating pressure 35MPa, the technical indicator of 150 DEG C of medium temperature are tested.Specific testing process is as Figure 2-3.
Test result is as follows：
Working media：HY-15 (aircraft fluid)；
Medium temperature：150℃；
Operating pressure：35NPa；
Flow：0~110L/min；
Flow-rate adjustment direction：With one valve two of oil circuit to (into and out of)；
Work commutation：3-position 4-way；
Test result：Indices reach standard requirement.
The present invention is not limited to the present embodiment, any equivalent concepts in the technical scope of present disclosure or changes
Become, be classified as protection scope of the present invention.
Claims (4)
- A kind of 1. three-position four-way hydraulic combination valve high temperature and pressure oil circuit system, it is characterised in that：Including high-pressure plunger pump (1), three Position and four-way reversing valve (2), proportional throttle valve (5), high-pressure hydraulic cylinder (10), fictitious load (12) and fuel tank (15)；The three position four-way directional control valve (2) respectively with high-pressure plunger pump (1), proportional throttle valve (5), high-pressure hydraulic cylinder (10) and Fuel tank (15) connects；The high-pressure hydraulic cylinder (10) connects fictitious load (12), the height by high-pressure piston rod (11) The input terminal of pressure cylinder (10) is connected with the output terminal of proportional throttle valve (5)；The proportional throttle valve (5) forms bridge-type with check valve a (3), check valve b (4), check valve c (6) and check valve d (9) Circuit system, one end of proportional throttle valve (5) are connected with check valve b (4) and check valve c (6) respectively, proportional throttle valve (5) The other end is connected with check valve a (3) and check valve d (9) respectively；The output terminal of the high-pressure plunger pump (1) is connected to unidirectionally Between valve a (3) and check valve b (4) on pipeline；The input terminal of the high-pressure hydraulic cylinder (10) is connected to check valve c (6) and list To between valve d (9) on pipeline.
- A kind of 2. three-position four-way hydraulic combination valve high temperature and pressure oil circuit system according to claim 1, it is characterised in that：Institute Overflow valve (16), the port of export connection of overflow valve (16) are set between the high-pressure plunger pump (1) and three position four-way directional control valve (2) stated Fuel tank (15).
- A kind of 3. three-position four-way hydraulic combination valve high temperature and pressure oil circuit system according to claim 1, it is characterised in that：Institute The high-pressure hydraulic cylinder (10) stated also is connected with high pressure transmitter a (8) and high pressure transmitter b (17) respectively, high pressure transmitter a (8) On pipeline between proportional throttle valve (5) and high-pressure hydraulic cylinder (10), high pressure transmitter b (17) is installed on 3-position 4-way On pipeline between reversal valve (2) and high-pressure hydraulic cylinder (10)；Between the three position four-way directional control valve (2) and fuel tank (15) Low pressure transmitter (14) and temperature transmitter (13) are also installed on pipeline.
- A kind of 4. three-position four-way hydraulic combination valve high temperature and pressure oil circuit system according to claim 3, it is characterised in that：Institute Shut-off valve is set on high pressure transmitter a (8), the high pressure transmitter b (17) and low pressure transmitter (14) respective entrance pipe stated (7)。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482451.3A CN107989847A (en) | 2017-12-29 | 2017-12-29 | A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711482451.3A CN107989847A (en) | 2017-12-29 | 2017-12-29 | A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107989847A true CN107989847A (en) | 2018-05-04 |
Family
ID=62039612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711482451.3A Withdrawn CN107989847A (en) | 2017-12-29 | 2017-12-29 | A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system |
Country Status (1)
| Country | Link |
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| CN (1) | CN107989847A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792890A (en) * | 2018-06-27 | 2018-11-13 | 江苏大学 | A kind of hydraulic transformer formula hydraulic elevator synchronization loop |
| CN114198357A (en) * | 2021-12-10 | 2022-03-18 | 湖北超星液压自动化有限公司 | Bridge type manual hydraulic pump, hydraulic system and control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569882A (en) * | 2013-11-19 | 2014-02-12 | 南京工业大学 | Hydraulic jacking system of attached tower crane |
| CN204003683U (en) * | 2014-06-20 | 2014-12-10 | 三一汽车制造有限公司 | A kind of hydraulic system and engineering machinery |
| CN105642808A (en) * | 2015-12-30 | 2016-06-08 | 二重集团（德阳）重型装备股份有限公司 | Braking and low-speed feeding energy-saving device of forge rolling machine |
| CN106812738A (en) * | 2015-12-01 | 2017-06-09 | 史树元 | A kind of ball mill hydraulic control system based on AMESim |
| CN107023536A (en) * | 2017-04-20 | 2017-08-08 | 中南大学 | Engineering machinery hydraulic cylinder dynamic performance integrated test platform |
| CN107218260A (en) * | 2017-07-21 | 2017-09-29 | 天津航天机电设备研究所 | A kind of hydraulic system for being heated and being cooled down to high-voltage oil liquid |
| CN107366645A (en) * | 2017-08-05 | 2017-11-21 | 苏州方德锐精密机电科技有限公司 | A kind of abrasive Flow polishes machine hydraulic power system |
| CN207728653U (en) * | 2017-12-29 | 2018-08-14 | 沈阳创新航空科技有限公司 | A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system |
-
2017
- 2017-12-29 CN CN201711482451.3A patent/CN107989847A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103569882A (en) * | 2013-11-19 | 2014-02-12 | 南京工业大学 | Hydraulic jacking system of attached tower crane |
| CN204003683U (en) * | 2014-06-20 | 2014-12-10 | 三一汽车制造有限公司 | A kind of hydraulic system and engineering machinery |
| CN106812738A (en) * | 2015-12-01 | 2017-06-09 | 史树元 | A kind of ball mill hydraulic control system based on AMESim |
| CN105642808A (en) * | 2015-12-30 | 2016-06-08 | 二重集团（德阳）重型装备股份有限公司 | Braking and low-speed feeding energy-saving device of forge rolling machine |
| CN107023536A (en) * | 2017-04-20 | 2017-08-08 | 中南大学 | Engineering machinery hydraulic cylinder dynamic performance integrated test platform |
| CN107218260A (en) * | 2017-07-21 | 2017-09-29 | 天津航天机电设备研究所 | A kind of hydraulic system for being heated and being cooled down to high-voltage oil liquid |
| CN107366645A (en) * | 2017-08-05 | 2017-11-21 | 苏州方德锐精密机电科技有限公司 | A kind of abrasive Flow polishes machine hydraulic power system |
| CN207728653U (en) * | 2017-12-29 | 2018-08-14 | 沈阳创新航空科技有限公司 | A kind of three-position four-way hydraulic combination valve high temperature and pressure oil circuit system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108792890A (en) * | 2018-06-27 | 2018-11-13 | 江苏大学 | A kind of hydraulic transformer formula hydraulic elevator synchronization loop |
| CN114198357A (en) * | 2021-12-10 | 2022-03-18 | 湖北超星液压自动化有限公司 | Bridge type manual hydraulic pump, hydraulic system and control method |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180504 |
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| WW01 | Invention patent application withdrawn after publication |