CN105181460B - A kind of multi-stage loading creep testing machine simultaneously - Google Patents
A kind of multi-stage loading creep testing machine simultaneously Download PDFInfo
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- CN105181460B CN105181460B CN201510623103.8A CN201510623103A CN105181460B CN 105181460 B CN105181460 B CN 105181460B CN 201510623103 A CN201510623103 A CN 201510623103A CN 105181460 B CN105181460 B CN 105181460B
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Abstract
It is an object of the invention to provide a kind of multi-stage loading creep testing machine, including control device, power set, transmission device, loading device, measurement apparatus, data acquisition device and testing bed, testing stand simultaneously.This simultaneously multi-stage loading creep testing machine at work, first pass through control device control power set work, and the loading of load needed for loading device completion experiment is driven via transmission device, the displacement of the test specimen under respective loads is measured during experiment by measurement apparatus, the deformation displacement of experiment overall process test specimen is transmitted to data acquisition device by measurement apparatus.The present invention can realize a set of while multi-stage loading creep testing machine while carry out the creep testing experiment of different loads loading, improve test efficiency, save experimentation cost and time according to experiment demand.
Description
Technical field
It is same so as to detect one kind of test specimen compression Direction distortion amount the present invention relates to load is kept under certain loads
When multi-stage loading creep testing machine.
Background technology
Creep testing experiment refers to determine material under constant temperature and the constant stress effect in cycle certain time, occurs slow
A kind of mechanical property of materials experiment of moulding strain phenomenon.Creep typically can also may be used at simple stress (pulling force, pressure or torsion)
Occur under combined stress.Common creep test is carried out under the conditions of Uniaxial Compression.At present, the mistake of industrial production manufacture
Cheng Zhong, it is exactly creep test to preferably examine one of the material property of product, measuring means therein.
Because the test period of creep test is often long (up to three to six months), existing creep testing machine is main
Existing subject matter is that a set of equipment can only be often tested one group of test specimen, needs while opens when carrying out multigroup experiment
More set testing equipments are tested, and greatly waste experiment resource.
The content of the invention
It is an object of the invention to provide multigroup loading creep test can be carried out simultaneously, and control group is formed, be advantageous to
A kind of multi-stage loading creep testing machine simultaneously of accurate comparative analysis is carried out to test data.
The object of the present invention is achieved like this：
A kind of multi-stage loading creep testing machine simultaneously of the invention, it is characterized in that：Including testing bed, testing stand, power set, transmission
Device, loading device, measurement apparatus, the transmission device include steel wire rope one, steel wire rope two, steel wire rope three, steel wire rope four, steel
Cord five, steel wire rope six, fixed pulley group, running block one, running block two, running block three, running block four, running block
Five, one end connecting power device of steel wire rope one, the other end of steel wire rope one bypasses fixed pulley group, running block five, moved successively
Assembly pulley four, running block three, running block two, and be connected with running block one, power set connection control its rotating forward or anti-
The control device turned, the measurement apparatus include the measuring unit of structure identical first-the four, and the first measuring unit includes fixture
And the stay wire sensor on fixture, loading device include fix bar and the weight-adjustable that is arranged in fix bar
Counterweight, one end joint test pedestal of steel wire rope two, the other end of steel wire rope two are single with the first measurement in the lump around running block
The fixture of member is connected, one end joint test pedestal of steel wire rope three, and the other end of steel wire rope three is around running block two and with the
The fixture of two measuring units is connected, and one end of steel wire rope four is connected with fix bar, the other end and the running block three of steel wire rope four
It is connected, one end of steel wire rope five is connected with movable pulley four, and the other end of steel wire rope five is connected with the fixture of the 3rd measuring unit, steel
One end of cord six is connected with running block five, and the other end of steel wire rope six is connected with the fixture of the 4th measuring unit.
The present invention can also include：
1st, the stay wire sensor of the first-the four measuring unit is all connected with data acquisition device.
Advantage of the invention is that：It is disclosed by the invention at the same multi-stage loading creep testing machine is simple to operate, be easily achieved,
Cost is cheap, keeps loaded load using the weight of counterweight is controlled, ensures the measurement of creeping displacement amount with stay wire sensor,
This while multi-stage loading creep testing machine, which applies in general to material being placed in room temperature, to be tested, and creep testing experiment
It is longer to be typically designed the test period, using loading of the same race, the method for group experiment, substantially increases test efficiency, has saved examination
The cost tested and time.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is transmission structures schematic diagram of the present invention；
Fig. 3 is loading device structural representation of the present invention；
Fig. 4 is measurement apparatus structural representation of the present invention.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail：
With reference to Fig. 1~4, the present invention includes control device 1, power set 2, transmission device 3, loading device 4, measurement apparatus
5, data acquisition device 6 and testing bed, testing stand 7.
Control device 1 is connected with power set 2 and can control the forward direction of power set 2 with rotating backward.
Power set 2 are connected with transmission device 3.
Transmission device 3 is by steel wire rope 1, steel wire rope 29, steel wire rope 3 10, steel wire rope 4 11, steel wire rope 5 12, steel wire
Restrict 6 13, fixed pulley group 14, running block 1, running block 2 16, running block 3 17, running block 4 18, movable pulley
Group 5 19 is formed, and is connected with power set 2, loading device 4 and measurement apparatus 5, and plays the role of to transmit loaded load.
The one end of steel wire rope 1 is connected with power set, and the other end is around fixed pulley group 14, running block 2 16, movable pulley
Group 3 17, running block 4 18, running block 5 19 are connected with the upper end of running block 1；
The one end of steel wire rope 29 is connected with testing bed, testing stand 7, and the other end is around the lower end pulleys of running block 1 and fixture 1
Connection；
The one end of steel wire rope 3 10 is connected with testing bed, testing stand 7, and the other end is around the lower end pulleys of running block 2 16 and fixture two
28 connections；
The one end of steel wire rope 4 11 is connected with loading device 4, and the other end is connected with the lower end of assembly pulley 3 17；
The one end of steel wire rope 5 12 is connected with the lower end of running block 4 18, and the other end is connected with fixture 3 30；
The one end of steel wire rope 6 13 is connected with the lower end of running block 5 19, and the other end is connected specific connected mode with fixture 4 32
Fig. 1 is referred to Fig. 4.
Loading device 4 includes counterweight 20 and fix bar 21, and loading capacity, the loading of Control experiment can be adjusted by counterweight 20
Load.
Measurement apparatus 5 includes first group of measurement apparatus, 22, second groups of measurement apparatus 23, the 3rd group of measurement apparatus 24 and the 4th
Group measurement apparatus 25, realizes 1/4 times of load to test load, the i.e. weight of counterweight 20 respectively, 1/2 times of load, 1 times of load, 2 times
Load loads.
First group of measurement apparatus 22 that measurement apparatus 5 includes is by fixture 1 and stay wire sensor 1 and forms, second
Group measurement apparatus 23 is made up of fixture 2 28 and stay wire sensor 2 29, and the 3rd group of measurement apparatus 24 is passed by fixture 3 30 and bracing wire
Sensor 3 31 is formed, and the 4th group of measurement apparatus 25 is made up of fixture 4 32 and stay wire sensor 4 33.
Data acquisition device 6 is connected with measurement apparatus 5, and records overall process test data.
Control device 1, power set 2, transmission device 3, loading device 4, measurement apparatus 5 and data acquisition device 6 are solid
It is scheduled on testing bed, testing stand 7.
Referring to Fig. 1 to Fig. 4, a kind of multi-stage loading creep testing machine, including control device 1, power set simultaneously of the present invention
2nd, transmission device 3, loading device 4, measurement apparatus 5, data acquisition device 6 and testing bed, testing stand 7.Wherein, control device 1, power
Device 2, transmission device 3, loading device 4, measurement apparatus 5 and data acquisition device 6 are fixed on testing bed, testing stand 7.
Multistage creep testing machine at work, first passes through control device 1 and controls power set 2 to work simultaneously for this, and via
Transmission device 3 drives loading device 4 to complete the loading of load needed for experiment, is measured during experiment by measurement apparatus 5 in phase
The displacement of test specimen under load is answered, this device there are four groups of different loading systems, and the assembly pulley of transmission device is that its is important
Part, by several pulley assemblies into four groups of different assembly pulleys, make load be finally loaded into by assembly pulley by
The load of test block is also classified into four groups, is respectively：1/4 times of load, 1/2 times of load, 1 times of load, 2 times of load, realize load of the same race
Lotus, multi-stage loading, the deformation displacement of experiment overall process test specimen are transmitted to data acquisition device 6 by measurement apparatus and are stored in USB flash disk
Export data.
A kind of multi-stage loading creep testing machine simultaneously disclosed by the invention, including control device, power set, transmission dress
Put, loading device, measurement apparatus, data acquisition device and testing bed, testing stand.This simultaneously multi-stage loading creep testing machine at work,
First pass through control device and control power set work, and drive loading device to complete adding for load needed for experiment via transmission device
Carry, measure the displacement of the test specimen under respective loads during experiment by measurement apparatus, test overall process test specimen
Deformation displacement data acquisition device is transmitted to by measurement apparatus and is stored in USB flash disk export data, device is integrally attached to testing bed, testing stand
On.
Testing bed, testing stand should have the function of making this multi-stage loading creep testing machine stable, and can guarantee that compacted in progress large period
Become testing experiment to be normally carried out.
Control device can control the forward direction of power set with rotating backward, you can to realize the loading of creep testing experiment
With unloading.
Power set are connected by transmission device with loading device and measurement apparatus, and can controlled loading device loading with
Unloading.
Transmission device is by steel wire rope one, steel wire rope two, steel wire rope three, steel wire rope four, steel wire rope five, steel wire rope six, fixed cunning
Wheel group, running block one, running block two, running block three, running block four, running block five are formed, with power set, plus
Carry to put and connected with measurement apparatus, and play the role of to transmit test load.
The one end of steel wire rope one is connected with power set, the other end around fixed pulley group, running block two, running block three,
Running block four, running block five, it is connected with the upper end of running block one；Described one end of steel wire rope two is connected with testing bed, testing stand, separately
One end is connected around the lower end pulleys of running block one with fixture one；Described one end of steel wire rope three is connected with testing bed, testing stand, the other end
It is connected around the lower end pulleys of running block two with fixture two；Described one end of steel wire rope four is connected with loading device, the other end and cunning
The lower end of wheel group three connects；Described one end of steel wire rope five is connected with the lower end of running block four, and the other end is connected with fixture three；The steel
The one end of cord six is connected with the lower end of running block five, and the other end is connected specific connected mode with fixture four and refers to Fig. 1 to Fig. 4.
Loading device includes counterweight, fix bar, can be with Adjustment Tests load by adjusting counterweight weight.
Measurement apparatus includes first group of measurement apparatus, second group of measurement apparatus, the 3rd group of measurement apparatus and the 4th group of measurement
Device, realize respectively to test load, i.e. the 1/4 of counterweight weight times load, 1/2 times of load, 1 times of load, 2 times of load loadings.
First group of measurement apparatus is made up of fixture one and stay wire sensor one, and second group of measurement apparatus is sensed by fixture two and bracing wire
Device two is formed, and the 3rd group of measurement apparatus is made up of fixture three and stay wire sensor three, and the 4th group of measurement apparatus is by fixture four and draws
Line sensor four forms.
Fixture one, fixture two, fixture three, fixture four, there should be the function of fixed clamping test specimen.
Stay wire sensor one, stay wire sensor two, stay wire sensor three, stay wire sensor four, there should be accurate measurement position
The function of shifting, and can long-time continuous stable work.
Data acquisition device is connected with measurement apparatus, and can overall process record test data.
Claims (2)
1. a kind of multi-stage loading creep testing machine simultaneously, it is characterized in that：Including testing bed, testing stand, power set, transmission device, loading
Device, measurement apparatus, the transmission device include steel wire rope one, steel wire rope two, steel wire rope three, steel wire rope four, steel wire rope five, steel
Cord six, fixed pulley group, running block one, running block two, running block three, running block four, running block five, steel wire rope
One one end connecting power device, the other end of steel wire rope one successively around fixed pulley group, running block five, running block four,
Running block three, running block two, and be connected with running block one, power set connection controls the control dress of its forward or reverse
Put, the measurement apparatus includes the measuring unit of structure identical first-the four, and the first measuring unit includes fixture and is arranged on
Stay wire sensor on fixture, loading device include the counterweight of fix bar and the weight-adjustable being arranged in fix bar, steel wire
One end joint test pedestal of rope two, the other end of steel wire rope two is around the running block in the lump fixture phase with the first measuring unit
Even, one end joint test pedestal of steel wire rope three, the other end of steel wire rope three around running block two and with the second measuring unit
Fixture be connected, one end of steel wire rope four is connected with fix bar, and the other end of steel wire rope four is connected with running block three, steel wire rope
Five one end is connected with movable pulley four, and the other end of steel wire rope five is connected with the fixture of the 3rd measuring unit, and the one of steel wire rope six
End is connected with running block five, and the other end of steel wire rope six is connected with the fixture of the 4th measuring unit.
2. a kind of multi-stage loading creep testing machine simultaneously according to claim 1, it is characterized in that：First-the four measurement is single
The stay wire sensor of member is all connected with data acquisition device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510623103.8A CN105181460B (en) | 2015-09-26 | 2015-09-26 | A kind of multi-stage loading creep testing machine simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510623103.8A CN105181460B (en) | 2015-09-26 | 2015-09-26 | A kind of multi-stage loading creep testing machine simultaneously |
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| CN105181460A CN105181460A (en) | 2015-12-23 |
| CN105181460B true CN105181460B (en) | 2017-12-01 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108051310A (en) * | 2017-12-05 | 2018-05-18 | 中国兵器工业第五九研究所 | A kind of composite material constant stress exposure test device |
| CN113804428B (en) * | 2021-10-20 | 2024-04-12 | 江南造船(集团)有限责任公司 | Multi-connected creep and static stiffness testing machine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205003025U (en) * | 2015-09-26 | 2016-01-27 | 哈尔滨工程大学 | Multistage loading creep test is quick -witted simultaneously |
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| CN100588946C (en) * | 2003-08-21 | 2010-02-10 | 株洲时代新材料科技股份有限公司 | Elastic element creep testing method and tester thereof |
| JP2011069702A (en) * | 2009-09-25 | 2011-04-07 | Keihin Corp | Creep quantity measurement apparatus |
| CN101776553B (en) * | 2010-02-05 | 2012-04-11 | 河海大学 | Geosynthetic biaxial tension creep tester |
| CN201716239U (en) * | 2010-06-13 | 2011-01-19 | 中国矿业大学 | Gravitational load test apparatus |
| CN102589989B (en) * | 2012-02-10 | 2013-06-19 | 重庆大学 | Single-shaped pulling-pressing double-function creepmeter |
| CN104155190B (en) * | 2014-08-08 | 2016-08-24 | 同济大学 | A kind of pilot system simulating Long-term Cyclic Loading effect |
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| CN205003025U (en) * | 2015-09-26 | 2016-01-27 | 哈尔滨工程大学 | Multistage loading creep test is quick -witted simultaneously |
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