CN106018097A - Microprocessor control electro-hydraulic servo load-shear test machine - Google Patents
Microprocessor control electro-hydraulic servo load-shear test machine Download PDFInfo
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- CN106018097A CN106018097A CN201610305074.5A CN201610305074A CN106018097A CN 106018097 A CN106018097 A CN 106018097A CN 201610305074 A CN201610305074 A CN 201610305074A CN 106018097 A CN106018097 A CN 106018097A
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- 238000012360 testing method Methods 0.000 title claims abstract description 42
- 230000003068 static effect Effects 0.000 claims abstract description 20
- 238000005096 rolling process Methods 0.000 claims description 18
- 238000007667 floating Methods 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 7
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000012669 compression test Methods 0.000 abstract description 2
- 238000013016 damping Methods 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 5
- 238000010008 shearing Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/24—Investigating strength properties of solid materials by application of mechanical stress by applying steady shearing forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0016—Tensile or compressive
- G01N2203/0019—Compressive
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0014—Type of force applied
- G01N2203/0025—Shearing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0048—Hydraulic means
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0075—Strain-stress relations or elastic constants
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0076—Hardness, compressibility or resistance to crushing
- G01N2203/0085—Compressibility
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention provides a microprocessor control electro-hydraulic servo load-shear test machine which comprises a host, a horizontal dynamic single-shear loading mechanism, a horizontal static double-shear loading mechanism, a rotating angle measuring system, a hydraulic system and a control system. A four-stand-column oil cylinder upside arranging structure is adopted for the host, a main oil cylinder achieves guiding through four reinforcing plates, the horizontal dynamic single-shear loading mechanism, the horizontal static double-shear loading mechanism and the four-stand-column oil cylinder upside arranging structure are used in cooperation, and therefore test space is large, operation is convenient, assembling is easy, experiment data is precise, the machine can be used as a highway and railway bridge and a high-damping rubber bearing and can also be used for a building component compression test, and multiple purposes are achieved through one machine.
Description
Technical field
The present invention relates to a kind of testing machine, particularly belong to microcomputer-controlled electro-hydraulic servo load-shear.
Background technology
Slab rubber bearing in Highway Bridge, pot rubber bearing, the mechanical property test of ball-type rubber support, according to standard GB20688.4 2007 " rubber support Part IV: General Purpose Rubber bearing ", JT/T 4 2004 " slab rubber bearing in Highway Bridge ", GB/T17955 2000 " spherical bearing technical conditions ", JT 391 1999 " highway bridge pot rubber bearing ", the content of the test of its mechanical property test detection includes: pressure-proof elasticity modulus is tested, shear modulus is tested, shearing resistance Test about Bond Strength, shearing resistance degradation, Test of Friction, ultimate compressive test and corner test.SYWY-20000J microcomputer-controlled electro-hydraulic servo load-shear is mainly used under compound condition board-like at different types of rridges, that pot rubber bearing carries out resistance to compression, anti-shearing force, detects the axial-radial resistance to compression of rubber support, shearing resistance, corner mechanical test.Existing SYWY-20000J microcomputer-controlled electro-hydraulic servo load-shear, its actuator stroke is generally ± 600mm, actual in specific operation process, testing machine often rate of loading is unstable, and testing machine measurement system uses movable pendulum formula, its indicating accuracy is ± 3% in the range of 4%～100%, measures the test data instability and result of the test erroneous judgement caused, the unit in charge of construction and the designing unit that use to sample production unit, sample bring puzzlement, result to cause hidden danger of quality.
When detecting according to JT/T-4-2004 " slab rubber bearing in Highway Bridge " standard-required, original detection means is the most nonconforming.
Summary of the invention
The present invention solves that Problems Existing provides a kind of microcomputer-controlled electro-hydraulic servo load-shear, use four columns, oil cylinder overhead symmetry self-balancing high rigidity general frame structure, vertical actuator has for high rigidity, the feature of high lateral force resistance；Horizontal dynamic simple shear system is double dynamic oil cylinders of rod double acting, uses low resistance wide arc gap designing technique, it is ensured that the dynamic property that this actuator is good.
The present invention solves that the problems referred to above the technical scheme is that microcomputer-controlled electro-hydraulic servo load-shear, including main frame, horizontal dynamic simple shear load maintainer, static horizontal double shear load maintainer, outer corner measurement system, Hydraulic system and control system, wherein: described main frame includes column, master cylinder, top board, firm banking, fixed cross beam, described column is four pillar constructions, fixed cross beam is fixed on four column tops by snap ring and the fixed combination of nut, master cylinder is fixed on top board through fixed cross beam by piston, load sensor I is installed between top board and oil cylinder piston；Described horizontal dynamic simple shear load maintainer includes: dynamically actuator, guide rail block, self-locking nut, load sensor II, V-type friction plate, V-baffle, feeding trolley, fixed mount bearing, rolling guide block, roller support, horizontal dynamic simple shear load maintainer is arranged on the firm banking of main frame by guide rail block, described guide rail block both sides use V-baffle to fix, equipped with rolling guide block on described V-baffle, described rolling guide block bottom arranges V-type friction plate, described V-baffle upper surface arranges roller support, described roller support top is dynamic workbench, described dynamic workbench is placed feeding trolley, described feeding trolley uses the carrying of rolling guide block, and V-baffle guides；It is contained on fixed mount bearing bottom described dynamic actuator, fixed mount bearing is fixing with the firm banking of main frame to be connected, dynamically actuator is connected with guide rail block by load sensor, drives rolling workbench to realize dynamic load, is provided with self-locking nut in load sensor both sides；Described static horizontal double shear load maintainer is arranged at the side of main frame；Described outer corner measurement system is arranged on the top board of main machine frame；Described hydraulic system and control system are for controlling the master cylinder of main frame, horizontal dynamic simple shear load maintainer and the motion of static horizontal double shear load maintainer.
Being provided with four securing plates outside described main frame four pillar construction, forming four guide pillar bearings can move up and down along securing plate.
Described top board is box-type Welding Structure.
Described dynamic actuator model is 300T, its stroke ± 1000mm.
Described dynamic actuator uses prestress annular to be connected with load sensor, prevents sensor from loosening in process of the test.
It is connected by radial type between described dynamic actuator with described guide rail block, and is locked by self-locking nut.
Described static horizontal double shear load maintainer and horizontal dynamic simple shear load maintainer are located along the same line and in main frame both sides.
Further, static horizontal double shear load maintainer vertically moves employing floating cylinder and adjusts, and floating cylinder moves up and down guide frame and uses linear bearing, rubs little, guides stable, increases the accuracy of shearing test；Shear between oil cylinder and floating supporting plate equipped with four guide posts, it is ensured that shear the stationarity that oil cylinder moves up and down.
Further, corner system uses double-acting servo oil cylinder to apply power, and is fixed on top board.Double-acting servo oil cylinder, rotary corner plate, sphere bar and a bearing etc. constitute corner main system；Corner oil cylinder is single rod double-acting servo oil cylinder, uses import Glais ring, this special envelope and dust ring etc. to seal, and good airproof performance, service life is long, and safety coefficient is high.
Further, hydraulic system uses adaptive load type entrance throttle governing circuit system, and when the pressure of hydraulic system raises and reduces, the set pressure of valve for pressure difference changes therewith, keeps Tong Bu with system pressure.Oil pump uses involute inside engaged gear to rotate, and axially and radially combines pressurization, has excellent durability.
Further, control system is made up of servo controller, electrohydraulic servo valve, servo actuator and sensor, and this control system has the high-power operational capacity of hydraulic control, moreover it is possible to and computer connects the control to carry out various complexity and data process；The signal of telecommunication of input system is carried out comprehensively, compares, corrects and amplify by servo controller, and the current signal of input is converted to hydraulic energy.
There is advantages that
1, the present invention can specify according to standard rate of loading and loading procedure, do the compression performance test of shock insulation rubber bearing, testing shear performance, cutting performance correlation test, compression performance correlation test.The pressure-proof elasticity modulus test of sheet-type support, shear modulus test, compressive ultimate strength test, Test of Friction, corner test, the axial crushing deformation of pot rubber bearing and the detection of radial deformation and the mensuration of coefficient of friction.
2, use and put structure on four column oil cylinders, master cylinder is guided by four pieces of securing plates, can not only ensure that the load sensor being arranged on master cylinder is not affected by side force, and complete machine stability and rigid nature are high, can also test space stepless adjustable, facilitate the test demand of differing heights.Complete machine rigidity is high, and deflection is little, and measurement data is accurate.
3, add horizontal dynamic simple shear load maintainer, horizontal dynamic simple shear load maintainer place feeding trolley, feeding trolley use rolling guide block carrying, and V-baffle guide so that press horizontal mobile cut sample remain at straight line run, will not offset rail；Dynamically it is connected by radial type between actuator with guide rail block, and locked by self-locking nut, is possible to prevent dynamic actuator to be connected in specimen with guide rail block and loosens, it is ensured that the accuracy of test data；Wherein dynamic its stroke ± 1000mm of actuator, expands trial stretch so that trial stretch is wider.
4, static horizontal double shear load maintainer vertically moves employing floating cylinder adjustment, and floating cylinder moves up and down guide frame--and using linear bearing, coefficient of friction is little, the most easy to wear, guides stable, and service life is long.
5, control system and computer connect the control to carry out various complexity and data process, microcomputer controls to coordinate multistage hydraulic loading, continuous loading test force steady, multistage keeps, energy Automatic continuous steadily loads, automatically protect load, automatically gather and store data, store, draw curve, automatic printing test report, computer reed time controll tests process, display test force and trial curve, operation is simple and reliable, it is simple to operation.
6, the structure of structure is put on employing static horizontal double shear load maintainer, horizontal dynamic simple shear load maintainer and four column oil cylinders, make test space bigger, easy to operate, assembling is simple, experimental data is accurate, in addition to can doing road and rail bridge and high-damp rubber support, it is also possible to do building element compression test, a tractor serves several purposes.
Accompanying drawing explanation
Fig. 1 is complete machine structure figure of the present invention；
Fig. 2 is main frame main TV structure figure；
Fig. 3 is main frame left view structure chart；
Fig. 4 is horizontal dynamic simple shear load maintainer main TV structure figure；
Fig. 5 is horizontal dynamic simple shear load maintainer left view mechanism map；
Wherein: 1 is main frame；2 shear load maintainer for static horizontal；3 is outer corner measurement system；4 shear load maintainer for horizontal dynamic；5 is top board；6 is fixed cross beam；7 is master cylinder；8 is firm banking；9 is column；10 is securing plate；11 is guide rail block；12 is feeding trolley；13 is load sensor II；14 is self-locking nut；15 is dynamic actuator；16 is fixed mount bearing；17 is V-baffle；18 is rolling guide block；19 is V-type friction plate；20 is roller support.
Detailed description of the invention
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.
Microcomputer-controlled electro-hydraulic servo load-shear, including main frame 1, horizontal dynamic simple shear load maintainer 4, static horizontal double shear load maintainer 2, outer corner measurement system 3, Hydraulic system and control system, it is characterized in that: described main frame 1 includes column 9, master cylinder 7, top board 5, firm banking 8, fixed cross beam 6, described column 9 is four pillar constructions, fixed cross beam 6 is fixed on four column tops by snap ring and the fixed combination of nut, master cylinder 7 is fixed on top board 5 through fixed cross beam 6 by piston, between top board 5 and master cylinder 7 piston, load sensor I is installed；nullDescribed horizontal dynamic simple shear load maintainer 4 includes: dynamically actuator 15、Guide rail block 11、Self-locking nut 14、Load sensor II 13、V-type friction plate 19、V-baffle 17、Feeding trolley 12、Fixed mount bearing 16、Rolling guide block 18、Roller support 20，Horizontal dynamic simple shear load maintainer 4 is arranged on the firm banking of main frame by guide rail block 11，Described guide rail block 11 both sides use V-baffle 17 to fix，Equipped with rolling guide block 18 on described V-baffle 17，Described rolling guide block 18 bottom arranges V-type friction plate 19，Described V-baffle 17 upper surface arranges roller support 20，Described roller support 20 top is dynamic workbench，Described dynamic workbench is placed feeding trolley 12，Described feeding trolley 12 uses rolling guide block 18 to carry，And V-baffle 17 guides；It is contained on fixed mount bearing 16 bottom described dynamic actuator 15, fixed mount bearing 16 is fixing with the firm banking 8 of main frame 1 to be connected, dynamically actuator 15 top is connected with guide rail block 11 by load sensor II 13, rolling workbench is driven to realize dynamic load, be provided with self-locking nut 14 in load sensor II 13 both sides, dynamic actuator 15 uses prestress annular to be connected with load sensor II 13；Described static horizontal double shear load maintainer 4 is arranged at the side of main frame 1；Described outer corner measurement system 3 is arranged on top board 5 side of main frame 1；Described hydraulic system and control system are for controlling the master cylinder 7 of main frame 1, horizontal dynamic simple shear load maintainer 4 and the motion of static horizontal double shear load maintainer 2.
Outside described main frame 1 four pillar construction, four securing plates 10 are installed.
Described top board 5 is box-type Welding Structure.
Described dynamic actuator 15 uses prestress annular to be connected with load sensor II 13.
It is connected by radial type between described dynamic actuator 1 with described guide rail block 11, and is locked by self-locking nut 14.
Described static horizontal double shear load maintainer 2 and horizontal dynamic simple shear load maintainer 4 are located along the same line and in main frame 1 both sides.
Described static horizontal double shear load maintainer 2 vertically moves employing floating cylinder and adjusts, and described floating cylinder moves up and down guide frame and uses linear bearing.
Described hydraulic system uses adaptive load type entrance throttle governing circuit system.
Described control system is made up of servo controller, electrohydraulic servo valve, servo actuator and sensor, described control system can connect with computer, the signal of telecommunication of input system is carried out comprehensively, compares, corrects and amplify by servo controller, and the current signal of input is converted to hydraulic energy.
The above is intended for understanding that the present invention is used, and is not the restriction to technical scheme described in the invention.The technical staff of the industry is on the basis of the technical scheme described in claim, it is also possible to make multiple change or deformation, and change or the deformation of all equivalents all should be contained within the claims of the present invention.
Claims (9)
1. microcomputer-controlled electro-hydraulic servo load-shear, including main frame (1), horizontal dynamic simple shear load maintainer (4),
Static horizontal double shear load maintainer (2), outer corner measurement system (3), Hydraulic system and control system, it is special
Levy and be: described main frame (1) includes column (9), master cylinder (7), top board (5), firm banking
(8), fixed cross beam (6), described column (9) is four pillar constructions, fixed cross beam (6) by card
Ring and the fixed combination of nut are fixed on column (9) top, master cylinder (7) through fixed cross beam (6) by
Piston is fixed on top board (5), is provided with load between top board (5) and master cylinder (7) piston
Sensor I；Described horizontal dynamic simple shear load maintainer (4) including: dynamically actuator (15), guide rail
Block (11), self-locking nut (14), load sensor II (13), V-type friction plate (19), V-type
Baffle plate (17), feeding trolley (12), fixed mount bearing (16), rolling guide block (18), rolling
Bearing (20), horizontal dynamic simple shear load maintainer (4) is arranged at main frame (1) by guide rail block (11)
Firm banking (8) on, described guide rail block (11) both sides use V-baffle (17) fix, described V
Equipped with rolling guide block (18) on type baffle plate (17), described rolling guide block (18) bottom arranges V-type and rubs
Wiping board (19), described V-baffle (17) upper surface arranges roller support (20), described roller support (20)
Top is dynamic workbench, places feeding trolley (12), described feeding trolley on described dynamic workbench
(12) use rolling guide block (18) carrying, and V-baffle (17) guides；Described dynamic actuator (15)
Bottom is fixed on fixed mount bearing (16), fixed mount bearing (16) and the firm banking (8) of main frame (1)
Fixing connection, dynamic actuator (15) top is by load sensor II (13) and guide rail block (11)
Connect, drive rolling workbench to realize dynamic load, in load sensor II (13) both sides, self-locking is installed
Nut (14)；Described static horizontal double shear load maintainer (4) is arranged at the side of main frame (1)；Institute
The outer corner measurement system (3) stated is arranged on top board (5) side of main frame (1)；Described hydraulic system
With control system be used for controlling the master cylinder (7) of main frame (1), horizontal dynamic simple shear load maintainer (4) and
The motion of static horizontal double shear load maintainer (2).
Testing machine the most according to claim 1, it is characterised in that: outside described main frame (1) four pillar construction
Side is provided with four securing plates (10).
Testing machine the most according to claim 1, it is characterised in that: described top board (5) is box-type weldering
Access node structure.
Testing machine the most according to claim 1, it is characterised in that: described dynamic actuator (15) and load
Sensor II (13) uses prestress annular to connect.
Testing machine the most according to claim 1, it is characterised in that: described dynamic actuator (1) is led with described
Rail block is connected by radial type between (11), and is locked by self-locking nut (14).
Testing machine the most according to claim 1, it is characterised in that: described static horizontal double shear load maintainer (2)
It is located along the same line with horizontal dynamic simple shear load maintainer (4) and in main frame (1) both sides.
Testing machine the most according to claim 1, it is characterised in that: described static horizontal double shear load maintainer (2)
Vertically moving employing floating cylinder to adjust, described floating cylinder moves up and down guide frame and uses linear bearing.
Testing machine the most according to claim 1, it is characterised in that: described hydraulic system uses adaptive load type
Entrance throttle governing circuit system.
Testing machine the most according to claim 1, it is characterised in that: described control system by servo controller,
Electrohydraulic servo valve, servo actuator and sensor composition, described control system can connect with computer, watch
Take controller the signal of telecommunication of input system to be carried out comprehensively, compares, correct and amplify, by the electric current letter of input
Number be converted to hydraulic energy.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610305074.5A CN106018097B (en) | 2016-05-09 | 2016-05-09 | Microcomputer-controlled electro-hydraulic servo load-shear |
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| CN201610305074.5A CN106018097B (en) | 2016-05-09 | 2016-05-09 | Microcomputer-controlled electro-hydraulic servo load-shear |
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| CN106018097A true CN106018097A (en) | 2016-10-12 |
| CN106018097B CN106018097B (en) | 2019-03-19 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607407A (en) * | 2017-10-25 | 2018-01-19 | 北京富力通达科技有限公司 | The pressure-shear test machine of Plumb load and horizontal moving guide rail |
| CN109342178A (en) * | 2018-12-04 | 2019-02-15 | 山东三越仪器有限公司 | Energy dissipating, damping, shock insulation comprehensive test system |
| CN109507013A (en) * | 2018-12-04 | 2019-03-22 | 济南三越测试仪器有限公司 | Microcomputer controlled electro-hydraulic servo coordinates load test system |
| CN109580391A (en) * | 2019-01-25 | 2019-04-05 | 河南交院工程技术有限公司 | A kind of pressure-shear test machine reducing piston rod running resistance |
| CN111982711A (en) * | 2020-08-28 | 2020-11-24 | 四川正达检测技术有限责任公司 | Single shear test method for shear-resistant elastic modulus of plate-type rubber support |
| CN112304769A (en) * | 2020-10-15 | 2021-02-02 | 济南三越测试仪器有限公司 | Dynamic tension-shear testing machine |
| CN112326218A (en) * | 2020-10-15 | 2021-02-05 | 济南三越测试仪器有限公司 | Modular servo damping device testing machine of electricity liquid |
| CN112326548A (en) * | 2020-10-15 | 2021-02-05 | 山东三越仪器有限公司 | Abrasion pressure shear testing machine |
| CN114112734A (en) * | 2021-12-08 | 2022-03-01 | 河南交院工程技术集团有限公司 | Feeding conversion mechanism of compression-shear testing machine |
| CN114235553A (en) * | 2021-12-13 | 2022-03-25 | 河南交院工程技术集团有限公司 | Multifunctional compression-shear testing machine |
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