CN109297825A - A kind of easy mechanically creep test device and its application method - Google Patents
A kind of easy mechanically creep test device and its application method Download PDFInfo
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- CN109297825A CN109297825A CN201811350028.2A CN201811350028A CN109297825A CN 109297825 A CN109297825 A CN 109297825A CN 201811350028 A CN201811350028 A CN 201811350028A CN 109297825 A CN109297825 A CN 109297825A
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- connecting rod
- fixture
- heating furnace
- water tank
- test device
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- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000010438 heat treatment Methods 0.000 claims abstract description 36
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 238000002474 experimental method Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001459 mortal effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- G01N3/02—Details
-
- 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
- G01N2203/0017—Tensile
-
- 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
-
- 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
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
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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 present invention relates to a kind of easy mechanical creep test device and its application methods, including rack, the central rack is provided with supporting plate, the heating furnace with temperature control box is provided on the supporting plate, corresponding the first fixture and the second fixture being provided with for clamping sample in top and the bottom of the heating furnace chamber, the lower end of second fixture, which is provided with, is vertically pierced by heating furnace and lower end is provided with the first connecting rod of tension sensor, the second connecting rod that lower end is connected through sling with water tank is connected in the tension sensor, the bottom of the supporting plate is provided with the draw-wire displacement sensor that one end is connected with sling, the draw-wire displacement sensor is electrically connected with the computer for acquiring sample deformation amount.The apparatus structure is simple, can test the croop property of sample under different temperatures, different pulling force effects, easy to use.
Description
Technical field
The present invention relates to a kind of easy mechanical creep test device and its application methods.
Background technique
Structure is complicated for existing creep test system, expensive, stroke is shorter, is not suitable for doing the larger material of the deformation of creep
Or large-sized sample.Especially when carrying out long time creep test, the resources such as electric power, hydraulic oil are largely wasted, and can produce
Raw lasting noise and air pollution.For this reason, it may be necessary to a kind of easy mechanical creep test device.
Summary of the invention
The purpose of the present invention is to provide a kind of easy mechanical creep test device and its application method, the device knots
Structure is simple, can test the croop property of sample under different temperatures, different pulling force effects, easy to use.
Technical program of the present invention lies in a kind of easy mechanical creep test device, including rack, in the rack
Portion is provided with supporting plate, and the heating furnace with temperature control box is provided on the supporting plate, and the top and the bottom of the heating furnace chamber are corresponding
It is provided with the first fixture and the second fixture for clamping sample, the lower end of second fixture, which is provided with, is vertically pierced by heating furnace
And lower end is provided with the first connecting rod of tension sensor, and lower end is connected in the tension sensor and is connected through sling with water tank
Second connecting rod, the bottom of the supporting plate is provided with the draw-wire displacement sensor that one end is connected with sling, the dragline type
Displacement sensor is electrically connected with the computer for acquiring sample deformation amount.
Further, the heating furnace is made of two semicircular cylinder furnace chambers, and the tension sensor and tension sensor are aobvious
Show that instrument is electrically connected.
Further, the third connecting rod for being pierced by heating furnace from bottom to top is provided on first fixture, the third connects
The upper end of bar is connected through lock nut with the crossbeam for being set to frame upper end.
Further, the first connecting rod, second connecting rod and third connecting rod are respectively screw rod, the upper end of first connecting rod and the
Two fixtures are threadedly coupled, and the lower end of the second connecting rod is threadedly coupled with sling, the lower end of the third connecting rod and the first fixture
It is threadedly coupled.
Further, first fixture and the second fixture are made of two grip blocks, and the grip block is circumferentially spaced
Equipped with bolt hole, sample is put among two grip blocks, locking bolt is tightened and clamps sample.
Further, the upper end edge of the water tank is provided at circumferentially spaced the rope being connected with sling, the top of water tank
Side wall is provided with water inlet, and the lower part of water tank is provided with water outlet.
A kind of application method applied to easy mechanical creep test device, comprising the following steps:
1) upper and lower side of sample is clamped respectively by the first fixture and the second fixture;
2) open heating furnace, sample be put into heating furnace, and by third connecting rod pass through crossbeam protrude into heating furnace with the first fixture
It completes to lock by lock nut and crossbeam in the upper end of bolt, third connecting rod;The upper end of first connecting rod is protruded into heating furnace
With the second fixture bolt, the lower end of first connecting rod is connected with tension sensor, and sling is connected on second connecting rod lower end;
3) both ends of draw-wire displacement sensor are fixed, closes heating furnace;
4) temperature control box switch is opened, experimental temperature is set and is kept the temperature;
5) after temperature is stablized, the data of tension sensor are zeroed out;
6) water tank is linked into sling by rope, and closes the water outlet of water tank;
7) water inlet for opening water tank fills the water in water tank, until pulling force reaches requirement of experiment;
8) it is displaced by computer acquisition.
Compared with prior art, the invention has the following advantages that the device can test different temperatures, different pulling force are made
With the croop property of lower sample, have structure simple, cheap;It is easy to operate, it is wanted by reaching pulling force toward water filling in water tank
It asks, loading speed is stable, simple;It economizes on resources, the advantages that without any pollution.Due to cheap, tried particularly suitable for high-volume
It tests, multiple systems can be built while being tested, to improve test efficiency;It is suitble to large scale and deforms biggish material progress
Creep test;The use of temperature control box simultaneously, it is ensured that accurate experimental temperature.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention;
In figure: 1- rack;2- heating furnace supporting plate;3- heating furnace;4- third connecting rod;The first fixture of 5-;6- sample;7- second is pressed from both sides
Tool;8- first connecting rod;9- tension sensor;10- second connecting rod;11- sling;12- water tank;13- water inlet;14- water outlet;
15- draw-wire displacement sensor;16- temperature control box;17- tension sensor display instrument;18- computer;19- crossbeam;20- locks spiral shell
Bolt;21- rope.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
It is carefully described as follows, but the present invention is not limited thereto.
With reference to Fig. 1
A kind of easy mechanical creep test device, including rack 1, the central rack are provided with supporting plate 2, on the supporting plate
It is provided with the heating furnace 3 with temperature control box 16, the top and the bottom of the heating furnace chamber are corresponding to be provided with for clamping sample 6
First fixture 5 and the second fixture 7, the lower end of second fixture be provided with vertically be pierced by heating furnace and lower end be provided with pulling force biography
The first connecting rod 8 of sensor 9 is connected with the second connecting rod that lower end is connected through sling 11 with water tank 12 in the tension sensor
10, the bottom of the supporting plate is provided with the draw-wire displacement sensor 15 that one end is connected with sling, and the dragline type displacement passes
Sensor is electrically connected with the computer 18 for acquiring sample deformation amount.
In the present embodiment, in order to freely open heating furnace, the heating furnace is made of two semicircular cylinder furnace chambers;In order to just
In observation pulling force size, the tension sensor and tension sensor display instrument 17 are electrically connected.
In the present embodiment, in order to suspend, fix the first fixture in midair, it is provided on first fixture and is pierced by heating from bottom to top
The third connecting rod 4 of furnace, the upper end of the third connecting rod are disposed through the through-hole at 19 middle part of crossbeam of frame upper end, and through locking
Nut be connected, to dismount third connecting rod.
In the present embodiment, for the ease of the dismounting between each component, the first connecting rod, second connecting rod and third connecting rod point
Not Wei screw rod, the upper end of first connecting rod is threadedly coupled with the second fixture, the lower end of first connecting rod and tension sensor bolt, institute
Upper end and the tension sensor bolt of second connecting rod are stated, the lower end of second connecting rod is threadedly coupled with sling, the third connecting rod
Lower end be threadedly coupled with the first fixture.
In the present embodiment, for the ease of clamping sample, first fixture and the second fixture are made of two grip blocks, institute
State grip block it is circumferentially spaced be equipped with bolt hole, sample is put among two grip blocks, tighten locking bolt 20 clamp sample.
In the present embodiment, for the ease of the suspension of water tank, the upper end edge of the water tank has been provided at circumferentially spaced and sling phase
The rope 21 of connection;The upper portion side wall of water tank is provided with water inlet 13, and the lower part of water tank is provided with water outlet 14, to control water
Water in case.
In the present embodiment, the model DJSX-25A of the tension sensor;The model of the draw-wire displacement sensor
For WXY31-0404-A1;The model REX-C400 of the temperature control box.
A kind of application method applied to easy mechanical creep test device, comprising the following steps:
1) upper and lower side of sample is clamped respectively by the first fixture and the second fixture;
2) open heating furnace, sample be put into heating furnace, and by third connecting rod pass through crossbeam protrude into heating furnace with the first fixture
Bolt, the upper end of third connecting rod pass through passing through in the middle part of crossbeam and complete to lock by lock nut and crossbeam;First is connected
The upper end of bar is protruded into heating furnace and the second fixture bolt, the lower end of first connecting rod are connected with tension sensor, and sling connects
It connects on second connecting rod lower end;
3) both ends of draw-wire displacement sensor are fixed, closes heating furnace;
4) temperature control box switch is opened, experimental temperature is set and is kept the temperature;
5) after temperature is stablized, the data of tension sensor are zeroed out;
6) water tank is linked into sling by rope, and closes the water outlet of water tank;
7) water inlet for opening water tank fills the water in water tank, until pulling force reaches requirement of experiment;
8) displacement is acquired by the software systems on computer.
The foregoing is merely presently preferred embodiments of the present invention, for the ordinary skill in the art, according to this hair
Bright introduction designs a kind of various forms of easy mechanical creep test devices and does not need creative labor,
The case where not departing from the principle and spirit of the invention descend to the mortal world the equivalent change made according to scope of the present invention patent, modify, replace
It changes and modification, is all covered by the present invention.
Claims (7)
1. a kind of easy mechanical creep test device, including rack, which is characterized in that the central rack is provided with support
Plate, the heating furnace with temperature control box is provided on the supporting plate, and corresponding be provided in top and the bottom of the heating furnace chamber is used for
The first fixture and the second fixture of sample are clamped, the lower end of second fixture, which is provided with, is vertically pierced by heating furnace and lower end setting
There is the first connecting rod of tension sensor, the second company that lower end is connected through sling with water tank is connected in the tension sensor
Bar, the bottom of the supporting plate are provided with the draw-wire displacement sensor that one end is connected with sling, the dragline type displacement sensing
Device is electrically connected with the computer for acquiring sample deformation amount.
2. a kind of easy mechanical creep test device according to claim 1, which is characterized in that the heating furnace by
Two semicircular cylinder furnace chamber compositions, the tension sensor and tension sensor display instrument are electrically connected.
3. a kind of easy mechanical creep test device according to claim 1 or 2, which is characterized in that described first
Be provided with the third connecting rod for being pierced by heating furnace from bottom to top on fixture, the upper end of the third connecting rod through lock nut be set to
The crossbeam of frame upper end is connected.
4. a kind of easy mechanical creep test device according to claim 3, which is characterized in that described first connects
Bar, second connecting rod and third connecting rod are respectively screw rod, and the upper end of first connecting rod is threadedly coupled with the second fixture, the second connecting rod
Lower end be threadedly coupled with sling, the lower end of the third connecting rod is threadedly coupled with the first fixture.
5. a kind of easy mechanical creep test device according to claim 1,2 or 4, which is characterized in that described the
One fixture and the second fixture are made of two grip blocks, and the grip block is circumferentially spaced to be equipped with bolt hole, and sample is put into two
Among a grip block, tightens locking bolt and clamp sample.
6. a kind of easy mechanical creep test device according to claim 5, which is characterized in that the water tank it is upper
The circumferentially spaced rope for being provided with and being connected with sling is held, the upper portion side wall of water tank is provided with water inlet, and the lower part of water tank is set
It is equipped with water outlet.
7. a kind of applied to a kind of application method of easy mechanical creep test device as claimed in claim 6, feature
It is, comprising the following steps:
1) upper and lower side of sample is clamped respectively by the first fixture and the second fixture;
2) open heating furnace, sample be put into heating furnace, and by third connecting rod pass through crossbeam protrude into heating furnace with the first fixture
It completes to lock by lock nut and crossbeam in the upper end of bolt, third connecting rod;The upper end of first connecting rod is protruded into heating furnace
With the second fixture bolt, the lower end of first connecting rod is connected with tension sensor, and sling is connected on second connecting rod lower end;
3) both ends of draw-wire displacement sensor are fixed, closes heating furnace;
4) temperature control box switch is opened, experimental temperature is set and is kept the temperature;
5) after temperature is stablized, the data of tension sensor are zeroed out;
6) water tank is linked into sling by rope, and closes the water outlet of water tank;
7) water inlet for opening water tank fills the water in water tank, until pulling force reaches requirement of experiment;
8) it is displaced by computer acquisition.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811350028.2A CN109297825A (en) | 2018-11-14 | 2018-11-14 | A kind of easy mechanically creep test device and its application method |
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CN201811350028.2A CN109297825A (en) | 2018-11-14 | 2018-11-14 | A kind of easy mechanically creep test device and its application method |
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CN109297825A true CN109297825A (en) | 2019-02-01 |
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CN201811350028.2A Pending CN109297825A (en) | 2018-11-14 | 2018-11-14 | A kind of easy mechanically creep test device and its application method |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2879172Y (en) * | 2006-03-24 | 2007-03-14 | 深圳市新三思材料检测有限公司 | High temperature material mechanics performance testing machine |
CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
CN102042939A (en) * | 2010-10-29 | 2011-05-04 | 华东理工大学 | Miniature specimen creep test system and test method |
CN102621011A (en) * | 2012-03-28 | 2012-08-01 | 天津大学 | Subminiature minimal invasion high-temperature creep fatigue testing machine and application thereof |
CN202533335U (en) * | 2011-12-30 | 2012-11-14 | 华东理工大学 | Multi-head creep testing device for miniature samples |
CN103207120A (en) * | 2013-03-12 | 2013-07-17 | 大连理工大学 | Test device and test method for asphalt rotational shear creep and repeated creep recovery |
CN209231111U (en) * | 2018-11-14 | 2019-08-09 | 福州大学 | A kind of easy mechanical creep test device |
CN209596143U (en) * | 2018-10-25 | 2019-11-08 | 福州大学 | A kind of multi-mode device for healing and training with comprehensive assessment function |
-
2018
- 2018-11-14 CN CN201811350028.2A patent/CN109297825A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2879172Y (en) * | 2006-03-24 | 2007-03-14 | 深圳市新三思材料检测有限公司 | High temperature material mechanics performance testing machine |
CN101105432A (en) * | 2007-06-13 | 2008-01-16 | 长安大学 | Cutting creep instrument |
CN102042939A (en) * | 2010-10-29 | 2011-05-04 | 华东理工大学 | Miniature specimen creep test system and test method |
CN202533335U (en) * | 2011-12-30 | 2012-11-14 | 华东理工大学 | Multi-head creep testing device for miniature samples |
CN102621011A (en) * | 2012-03-28 | 2012-08-01 | 天津大学 | Subminiature minimal invasion high-temperature creep fatigue testing machine and application thereof |
CN103207120A (en) * | 2013-03-12 | 2013-07-17 | 大连理工大学 | Test device and test method for asphalt rotational shear creep and repeated creep recovery |
CN209596143U (en) * | 2018-10-25 | 2019-11-08 | 福州大学 | A kind of multi-mode device for healing and training with comprehensive assessment function |
CN209231111U (en) * | 2018-11-14 | 2019-08-09 | 福州大学 | A kind of easy mechanical creep test device |
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