CN106015134A - Performance test hydraulic test stand for hydrostatic guide way of heavy-duty numerical control machine table - Google Patents
Performance test hydraulic test stand for hydrostatic guide way of heavy-duty numerical control machine table Download PDFInfo
- Publication number
- CN106015134A CN106015134A CN201610555822.5A CN201610555822A CN106015134A CN 106015134 A CN106015134 A CN 106015134A CN 201610555822 A CN201610555822 A CN 201610555822A CN 106015134 A CN106015134 A CN 106015134A
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- Prior art keywords
- outlet
- valve
- import
- hydrostatic
- filter
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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
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
A performance test hydraulic test stand for a hydrostatic guide way of a heavy-duty numerical control machine table is mainly characterized in that a stop valve B is connected with a vane pump; the vane pump is connected with a throttle valve C, a throttle valve B and a stop valve A through a high-pressure filter; the throttle valve B is connected with a throttle valve A and a loading cylinder; a cylinder body of the loading cylinder is fixed; a plunger rod abuts against a hydrostatic guide way body; the throttle valve A is connected with a stop valve C; the throttle valve C is connected with a plurality of needle valves; each needle valve is connected with a flowmeter; an outlet of each flowmeter is connected with an inlet of a corresponding hydrostatic bearing cavity; an outlet of each hydrostatic bearing cavity is connected and combined with a hydraulic hose, and the outlet of each hydrostatic bearing cavity and the corresponding hydraulic hose are jointly connected with an inlet of the stop valve C; and a pressure measuring hole of each hydrostatic bearing cavity is connected with a pressure gage. The test stand is simple in structure, can achieve the functions of axial loading and measurement of the hydrostatic guide way, adjustment and detection of the bearing capacity of a bearing pad and the like, and provides a technical support for performance test and analysis of the hydrostatic guide way.
Description
Technical field
The present invention relates to a kind of liquid static-pressure support equipment performance test fluid pressure device.
Background technology
Hydrostatic slideway owing to coefficient of friction is little, velocity interval is wide, length in service life,
Heavy duty such as is not creeped at the advantage, has obtained bigger development in weight equipment field.But due to
The supporting oil pocket of hydrostatic slideway is more, structure is complicated, each oil pocket bearing capacity phase mutual coupling
Close, calculate and com-parison and analysis difficulty, it is therefore desirable to utilize guide rail performance simply and easily to survey
Bearing capacity, static state and the dynamic property of hydrostatic slideway are tested by test system,
With the bearing capacity calculation mode of hydrostatic slideway accurate under the different fuel system of checking
Property.
And this testing stand can the bearing capacity of test liquid hydrostatic slideway, oil film rigidity, quiet
State and dynamic property, improve the design accuracy of guide track system.
Summary of the invention
It is an object of the invention to provide a kind of can test liquid hydrostatic slideway simply and easily
The heavy digital control machine tool fluid pressure of bearing capacity, oil film rigidity, static state and dynamic property is led
Rail performance test hydraulic test bench (hereinafter referred to as testing stand).
This testing stand specifically includes that air filter, oil absorption filter, overflow valve, determines
Amount vane pump, motor, accumulator, throttle valve A, B, C, piezometer, needle-valve, stream
Gauge, liquidometer, liquid thermometer, return filter, heater, cooler, hydraulic pressure glue
Pipe, plunger case, stop valve A, B, C, upside-down mounting leaf filter etc. and hydrostatic slideway.
Concrete structure is as follows:
Air filter is arranged on fuel tank, is preferably additionally provided with liquidometer, temperature on this fuel tank
Degree meter and heater;The import of stop valve B is connected with fuel tank, outlet and filter inlet
It is connected;The outlet of oil absorption filter is connected with vane pump import;Blade delivery side of pump is respectively
It is connected with high pressure filter, piezometer, the import of overflow valve;The outlet of overflow valve and oil
Case is connected;The outlet of high pressure filter respectively with choke valve C, choke valve B, stop valve A
Import be connected;The outlet of stop valve A is connected with the import of accumulator;Choke valve B's
Outlet is connected with import, the import of loading cylinder of throttle valve A respectively;Load the cylinder body of cylinder
Fixing, plunger rod withstands on hydrostatic slideway body, the outlet of throttle valve A and shutoff valve C
Import be connected;The outlet of shutoff valve C is connected with the import of forced air cooler;Forced air cooler
Outlet be connected with the import of return filter;The outlet of return filter is connected with fuel tank;
The outlet of choke valve C import with some needle-valves respectively is connected;The outlet of each needle-valve each with
The import of one effusion meter is connected, and the outlet of effusion meter connects corresponding hydrostatic support chamber respectively
Import;The outlet in each hydrostatic support chamber is connected with hydralic hose and merges, common and cut-off
The import of valve C is connected;The pressure tap in each hydrostatic support chamber is connected with Pressure gauge respectively.
The experiment hydrostatic slideway of this testing stand at most can use the quiet of 12 independent controls
Hydraulic support chamber supports, and can limit the guide rail five degree of freedom in addition to linear motion.This test
The guide rail of platform uses plunger to load cylinder and loads, and the inlet parallel of hydraulic cylinder is at two joints
Between stream valve, liquid bridge principle is used to be adjusted.The bearing capacity in each hydrostatic support chamber uses
The piezometer of oil pocket front end measures, and uses needle-valve to be adjusted, to ensure each oil pocket
Oil film thickness adjustable.
The present invention compared with prior art has the advantage that
1, this test platform structure is simple, it is possible to realize heavy digital control machine tool hydrostatic slideway
Axially loaded with measure, the function such as the regulation of support pads bearing capacity and detection, be
The Properties Testing of hydrostatic slideway provides technical guarantee.
2, this testing stand can test the bearing capacity of heavy digital control machine tool hydrostatic slideway
And static and dynamic performance, improve design accuracy and the reliability of guide track system, and then improve
The service life of guide track system.
3, this testing stand can test the bearing capacity of guide rail, rigidity and static state, dynamically,
Vibration performance index.
Accompanying drawing explanation
Fig. 1 is the present invention each parts annexation simplified schematic diagram;
Fig. 2 is solid simplified schematic diagram of the present invention;
Fig. 3 is that master of the present invention regards simplified schematic diagram;
Fig. 4 is that fluid present invention hydrostatic slideway part isometric amplifies simplified schematic diagram;
Fig. 5 is fuel tank solid simplified schematic diagram of the present invention.
In figure: 1, air filter, 2, oil absorption filter, 3, overflow valve, 4, leaf
Sheet pump, 5, motor, 6, accumulator, 7.1, throttle valve A, 7.2, choke valve B, 8.1-8.13,
Piezometer, 9.1-9.12, needle-valve, 10.1-10.12 effusion meter, 11, liquidometer, 12,
Thermometer, 13, return filter, 14, heater, 15, forced air cooler, 16, liquid
Moulding pipe, 17, load cylinder, 18.1, stop valve A, 18.2, stop valve B, 18.3,
Shutoff valve C, 19, choke valve C, 20, high pressure filter, 21, hydrostatic slideway, 22,
Fuel tank, 23, oil-way integrated block A, 24, platform, 25, integrated package B, 26, oil-feed
Mouthful, 27, oil return opening, 28, pressure tap, 29, oil-way integrated block erecting bed, 30, return
Oil piping platform, 31, air filter erecting bed, 32, fuel sucking pipe erecting bed, 33,
Motor erecting bed, 34, side have an accumulator erecting bed, 35, hanger, 36, heater
Mounting flange.
The present invention is elaborated by detailed description of the invention below in conjunction with the accompanying drawings:
At the heavy digital control machine tool hydrostatic slideway performance test hydraulic test bench shown in Fig. 1
In each parts annexation simplified schematic diagram, it is provided with liquidometer 11, thermometer 12 and heater 14
Fuel tank 22 be provided with air filter 1;The import of stop valve B18.2 is connected with fuel tank 22,
Outlet is connected with oil absorption filter 2 import;The outlet of oil absorption filter 2 and vane pump 4 import
Be connected, the outlet of vane pump 4 respectively with filter 20, piezometer 8.1, the entering of overflow valve 3
Mouth is connected;The outlet of overflow valve 3 is connected with fuel tank 22;The outlet of high pressure filter 20 is respectively
It is connected with choke valve C19, choke valve B7.2, the import of stop valve A18.1;Stop valve A18.1
Outlet be connected with the import of accumulator 6;The outlet of choke valve B7.2 respectively with throttle valve A 7.1
Import, load cylinder 17 import be connected;The cylinder body loading cylinder 17 is fixed, and plunger rod withstands on
On hydrostatic slideway 21 body;The outlet of throttle valve A 7.1 is connected with the import of shutoff valve C 18.3;
The outlet of shutoff valve C 18.3 is connected with the import of forced air cooler 15;The outlet of forced air cooler 15
Import with return filter 13 is connected;The outlet of return filter 13 is connected with fuel tank 22;
The outlet of choke valve C19 import with needle-valve 9.1-9.6 respectively is connected;Needle-valve 9.1-9.6 goes out
Mouth import with effusion meter 10.1-10.6 respectively is connected;The outlet of effusion meter 10.1-10.6 is respectively
Connect the import in corresponding hydrostatic support chamber;The outlet in each hydrostatic support chamber is connected with hydralic hose 16
And merge, the import with shutoff valve C 18.3 is connected jointly;The pressure tap in each hydrostatic support chamber divides
It is not connected with Pressure gauge 8.2-8.7.
In Fig. 1, the model of each assembly is respectively: air filter (1) is EF-32;Overflow
Stream valve (3) is YF-B10B;Vane pump (4) is YB1-25;Motor (5) is Y132M1-6;
Accumulator (6) is NXQ2-L6.3/*-H;Choke valve (7.1-7.2,19) is
MG10G1.2;Piezometer (8.1-8.7) is YN100T;Needle-valve (9.1-9.6) is
covna/HKZ-09;Effusion meter (10.1-10.6) is SBL;Liquidometer (11) is
XYW-127;Liquid thermometer (12) is YWZ-127T;Return filter (13) is
RFB-25%x*Y;Heater (14) is SRY2-220/1;Cooler (15) is FL-2;
Hydralic hose (16) is HG4-406-75;Loading cylinder (17) is plunger case, and model is
YZG-100%xS;Stop valve (18.1-18.3) is XJF-20/10.The volume of this testing stand
Determining operating pressure is 3MPa, and theoretical work flow is 25L/min;Lubricant medium selects
For VG-15 antiwear hydraulic oil, system oil temperature control is in the range of 30~50 DEG C.
At the heavy digital control machine tool hydrostatic slideway performance test liquid shown in Fig. 2 and Fig. 3
Pressure testing stand is three-dimensional and main in simplified schematic diagram, loading cylinder 17 is arranged below and with pressure
The meter hydrostatic slideway 21 of 8.1-8.12, needle-valve 9.1-9.12, integrated package B25, fuel tank 22
Etc. being located at by the platform 24 of Plate Welding;Sidewall is provided with liquidometer 11, heating
The fuel tank 22 of device 14 and accumulator 6 is arranged above with motor 5, vane pump 4, high-pressure filteration
Device 20, return filter 13, the parts such as air filter 1, oil-way integrated block A23;
Hydralic hose 16 is utilized between hydrostatic slideway 21, needle-valve 9.1-9.12, oil-way integrated block 23
Connect.Oil-way integrated block A23 and oil-way integrated block B25 is the metal derby of a square,
It is provided with inside the duct of different directions and the degree of depth as oil circuit.
Simplified schematic diagram is amplified at the fluid present invention hydrostatic slideway part isometric shown in Fig. 4
In, hydrostatic slideway 21 side sets the oil-in 26 of each oil pocket, oil return opening 27 and pressure tap
28, in order to the installation of hydralic hose 16 and layout.Hydrostatic slideway (21) top, under
Portion is all disposed with 4 hydrostatic support chambeies, and the left and right sides is respectively disposed with 2 static pressure and props up
Hold chamber.
In the three-dimensional simplified schematic diagram of fuel tank of the present invention shown in Fig. 5, Plate Welding form
Fuel tank 22 be rectangle, end face be provided with integrated package erecting bed 29, oil return pipe erecting bed 30,
Air filter erecting bed 31, fuel sucking pipe erecting bed 32, motor erecting bed 33;Side
It is provided with accumulator erecting bed 34, hanger 35 and heater mounting flange 36 etc..
The work process of this testing stand approximately as:
1. overflow valve 3 is left to maximum, close choke valve 19 and choke valve B7.2;
2. actuating motor 5, progressively close off overflow valve 3, observe Pressure gauge 8.1;Work as pressure
Power reaches locking overflow valve 3 during 6MPa;
3. choke valve 19, choke valve 7.2 and choke valve 7.1 are opened;
4. metering pin valve 9.1~9.6, observe Pressure gauge 8.2~8.7;When pressure reaches
Regulation is stopped during 3MPa;
5. the flow of reading flow gauge 10.1~10.6;In conjunction with Pressure gauge 8.1~8.6
Pressure, calculate static pressure film thickness;
6. regulation choke valve 7.1 and choke valve 7.2, the pressure of observed pressure table 8.8,
Calculate the load that plunger case 17 applies;
7. pressure and the effusion meter 10.1~10.6 of Pressure gauge 8.2~8.7 are again read off
Flow, calculated static pressure oil film thickness and the performance indications such as bearing capacity, Static stiffness again.
Claims (3)
1. a heavy digital control machine tool hydrostatic slideway performance test hydraulic test bench, its
Being characterised by: the import of stop valve B is connected with fuel tank, outlet is connected with filter inlet;
The outlet of oil absorption filter is connected with vane pump import;Blade delivery side of pump respectively with high pressure
Filter, piezometer, the import of overflow valve are connected;The outlet of overflow valve is connected with fuel tank;
The outlet of high pressure filter respectively with choke valve C, choke valve B, the import of stop valve A
It is connected;The outlet of stop valve A is connected with the import of accumulator;The outlet of choke valve B divides
It is not connected with import, the import of loading cylinder of throttle valve A;The cylinder body loading cylinder is fixed,
Plunger rod withstands on hydrostatic slideway body, the outlet of throttle valve A and the import of shutoff valve C
It is connected;The outlet of shutoff valve C is connected with the import of forced air cooler;The outlet of forced air cooler
It is connected with the import of return filter;The outlet of return filter is connected with fuel tank;Throttling
The outlet of valve C import with some needle-valves respectively is connected;The outlet of each needle-valve each with one
The import of effusion meter is connected, and the outlet of effusion meter connects the import in corresponding hydrostatic support chamber respectively;
The outlet in each hydrostatic support chamber is connected with hydralic hose and merges, common and shutoff valve C
Import is connected;The pressure tap in each hydrostatic support chamber is connected with Pressure gauge respectively.
Heavy digital control machine tool hydrostatic slideway performance the most according to claim 1 is surveyed
Examination hydraulic test bench, it is characterised in that: be additionally provided with on this fuel tank liquidometer, thermometer and
Heater.
Heavy digital control machine tool hydrostatic slideway performance the most according to claim 1 is surveyed
Examination hydraulic test bench, it is characterised in that: air filter is installed on fuel tank.
Priority Applications (1)
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CN201610555822.5A CN106015134B (en) | 2016-07-14 | 2016-07-14 | Heavy digital control machine tool hydrostatic slideway performance test hydraulic test bench |
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CN201610555822.5A CN106015134B (en) | 2016-07-14 | 2016-07-14 | Heavy digital control machine tool hydrostatic slideway performance test hydraulic test bench |
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CN106015134A true CN106015134A (en) | 2016-10-12 |
CN106015134B CN106015134B (en) | 2017-08-29 |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106525425A (en) * | 2016-12-05 | 2017-03-22 | 江苏大学 | Bearing test device and method for static-pressure radial air bearing |
CN108591140A (en) * | 2018-04-25 | 2018-09-28 | 中国人民解放军空军南京航空四站装备修理厂 | The load test stand of aviation hydraulic oil pump vehicle |
CN109578351A (en) * | 2018-12-18 | 2019-04-05 | 燕山大学 | A kind of hydraulic power unit of magnetic liquid dual suspension bearing performance test hydraulic test bench |
CN109612719A (en) * | 2019-02-19 | 2019-04-12 | 重庆康明斯发动机有限公司 | A kind of detection method of filter life, detection system and detection device |
RU2783583C1 (en) * | 2022-01-20 | 2022-11-14 | Акционерное общество "Научно-производственная корпорация "Уралвагонзавод" имени Ф.Э. Дзержинского" | Stand for dynamic testing of high-pressure hoses |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754395A1 (en) * | 1977-12-07 | 1979-06-13 | Bozina Dr Ing Perovic | Machine tool hydrostatic guide oil supply - has pockets connected in threes via common throttles to pump with pressure relief valve |
CN101596679A (en) * | 2009-07-08 | 2009-12-09 | 路文忠 | Hydrostatic guideway of liquid discontinuous flow precise circular turntable |
CN201534283U (en) * | 2009-11-24 | 2010-07-28 | 天津市精诚机床制造有限公司 | Hydrostatic rail hydraulic system for revolving workbench of heavy numerical control cylindrical gear milling machine |
CN201891698U (en) * | 2010-11-02 | 2011-07-06 | 东华大学 | Open type loading adaptive oil supply system for hydrostatic guide way |
CN202123363U (en) * | 2011-05-31 | 2012-01-25 | 四川普什宁江机床有限公司 | Hydrostatic guide rail structure applied to precision horizontal machining centre |
CN102980755A (en) * | 2012-11-16 | 2013-03-20 | 北京工业大学 | Quantitive type experimental device for dynamic and static performances of static-pressure rotary table |
CN103506852A (en) * | 2013-09-06 | 2014-01-15 | 苏州凯欧机械科技有限公司 | Novel static-pressure positioning guide rail used on machine tool knife rest |
CN104308561A (en) * | 2014-09-19 | 2015-01-28 | 井冈山大学 | Static pressure guide rail oil film thickness feedback compensation device |
CN105108499A (en) * | 2015-08-24 | 2015-12-02 | 中南大学 | Electrorheological fluid hydrostatic guideway system |
CN105677972A (en) * | 2016-01-07 | 2016-06-15 | 燕山大学 | Precise bearing capacity calculation method for hydrostatic guide rail |
-
2016
- 2016-07-14 CN CN201610555822.5A patent/CN106015134B/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2754395A1 (en) * | 1977-12-07 | 1979-06-13 | Bozina Dr Ing Perovic | Machine tool hydrostatic guide oil supply - has pockets connected in threes via common throttles to pump with pressure relief valve |
CN101596679A (en) * | 2009-07-08 | 2009-12-09 | 路文忠 | Hydrostatic guideway of liquid discontinuous flow precise circular turntable |
CN201534283U (en) * | 2009-11-24 | 2010-07-28 | 天津市精诚机床制造有限公司 | Hydrostatic rail hydraulic system for revolving workbench of heavy numerical control cylindrical gear milling machine |
CN201891698U (en) * | 2010-11-02 | 2011-07-06 | 东华大学 | Open type loading adaptive oil supply system for hydrostatic guide way |
CN202123363U (en) * | 2011-05-31 | 2012-01-25 | 四川普什宁江机床有限公司 | Hydrostatic guide rail structure applied to precision horizontal machining centre |
CN102980755A (en) * | 2012-11-16 | 2013-03-20 | 北京工业大学 | Quantitive type experimental device for dynamic and static performances of static-pressure rotary table |
CN103506852A (en) * | 2013-09-06 | 2014-01-15 | 苏州凯欧机械科技有限公司 | Novel static-pressure positioning guide rail used on machine tool knife rest |
CN104308561A (en) * | 2014-09-19 | 2015-01-28 | 井冈山大学 | Static pressure guide rail oil film thickness feedback compensation device |
CN105108499A (en) * | 2015-08-24 | 2015-12-02 | 中南大学 | Electrorheological fluid hydrostatic guideway system |
CN105677972A (en) * | 2016-01-07 | 2016-06-15 | 燕山大学 | Precise bearing capacity calculation method for hydrostatic guide rail |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106525425A (en) * | 2016-12-05 | 2017-03-22 | 江苏大学 | Bearing test device and method for static-pressure radial air bearing |
CN108591140A (en) * | 2018-04-25 | 2018-09-28 | 中国人民解放军空军南京航空四站装备修理厂 | The load test stand of aviation hydraulic oil pump vehicle |
CN109578351A (en) * | 2018-12-18 | 2019-04-05 | 燕山大学 | A kind of hydraulic power unit of magnetic liquid dual suspension bearing performance test hydraulic test bench |
CN109612719A (en) * | 2019-02-19 | 2019-04-12 | 重庆康明斯发动机有限公司 | A kind of detection method of filter life, detection system and detection device |
CN109612719B (en) * | 2019-02-19 | 2024-04-26 | 重庆康明斯发动机有限公司 | Filter life detection method, detection system and detection device |
RU2783583C1 (en) * | 2022-01-20 | 2022-11-14 | Акционерное общество "Научно-производственная корпорация "Уралвагонзавод" имени Ф.Э. Дзержинского" | Stand for dynamic testing of high-pressure hoses |
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