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 PDF

Info

Publication number
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
Authority
CN
China
Prior art keywords
connecting rod
fixture
heating furnace
water tank
test device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811350028.2A
Other languages
Chinese (zh)
Inventor
赖焕生
范登帅
白春妹
刘康林
段颉颃
王亚淑
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fuzhou University
Original Assignee
Fuzhou University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fuzhou University filed Critical Fuzhou University
Priority to CN201811350028.2A priority Critical patent/CN109297825A/en
Publication of CN109297825A publication Critical patent/CN109297825A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/08Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
    • G01N3/10Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/02Details
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/0014Type of force applied
    • G01N2203/0016Tensile or compressive
    • G01N2203/0017Tensile
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/003Generation of the force
    • G01N2203/0042Pneumatic or hydraulic means
    • G01N2203/0048Hydraulic means
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2203/00Investigating strength properties of solid materials by application of mechanical stress
    • G01N2203/02Details not specific for a particular testing method
    • G01N2203/022Environment of the test
    • G01N2203/0222Temperature

Landscapes

  • 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

A kind of easy mechanically creep test device and its application method
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.
CN201811350028.2A 2018-11-14 2018-11-14 A kind of easy mechanically creep test device and its application method Pending CN109297825A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811350028.2A CN109297825A (en) 2018-11-14 2018-11-14 A kind of easy mechanically creep test device and its application method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811350028.2A CN109297825A (en) 2018-11-14 2018-11-14 A kind of easy mechanically creep test device and its application method

Publications (1)

Publication Number Publication Date
CN109297825A true CN109297825A (en) 2019-02-01

Family

ID=65146483

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811350028.2A Pending CN109297825A (en) 2018-11-14 2018-11-14 A kind of easy mechanically creep test device and its application method

Country Status (1)

Country Link
CN (1) CN109297825A (en)

Citations (8)

* Cited by examiner, † Cited by third party
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN206410934U (en) A kind of multi-functional plate tensile sample mechanical property tests fixture just dismounted
CN102778389B (en) Concrete test loading device and test method under load and multifactor coupling
CN109738179A (en) A kind of fatigue test clamper of HF fatigue testing machine
CN102706750A (en) High-temperature high-pressure constant load stress corrosion experiment method and device
CN107389440A (en) A kind of biaxial fatigue test fixture
CN205719768U (en) A kind of Sheet Rectangular tensile sample fixture
CN209231111U (en) A kind of easy mechanical creep test device
CN202757837U (en) Loading device for durability test of pressed concrete
CN102778397B (en) Loading device and method for durability test of compression concrete
CN109297825A (en) A kind of easy mechanically creep test device and its application method
CN208254934U (en) A kind of three-point bending vibrating fatigue device with axial tension function
CN103091093A (en) Suspension clamp device and method for blade static test
CN109556954A (en) Test the fatigue tester of components fracture characteristic under the effect of different alternate stresses
CN108760469A (en) A kind of ceramic matric composite tenon connecting structure elevated temperature strength test and experiment device and test method
CN107884123A (en) A kind of clamp system for testboard fixed mount
CN107345877A (en) A kind of concrete axial breaks experiment test block mould
CN101424588A (en) Vertical fatigue tester for bicycle frame
CN113237752B (en) Irregular rock creep testing device and using method thereof
CN106840914B (en) Monofilament bending performance testing device and method
CN208239192U (en) A kind of Gleeble testing machine plate tensile sample stretching experiment fixture
CN208254938U (en) A kind of steel strand tensile test machine clamp
CN203595657U (en) Testing device for sealant performance
CN207066863U (en) A kind of biaxial fatigue test fixture
CN208399256U (en) Plant weldering stud pull test fixing tool
CN208239194U (en) One kind being based on Gleeble analog machine Varying-thickness plate tensile sample stretching clamp

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination