CN207423694U - The biaxial stretch-formed compression verification device of superhigh temperature complex load - Google Patents
The biaxial stretch-formed compression verification device of superhigh temperature complex load Download PDFInfo
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Abstract
The utility model is related to a kind of biaxial stretch-formed compression verification devices of superhigh temperature complex load, belong to material mechanical performance technical field of measurement and test.It is made of biaxial tension/compressive load loading unit, two-way signaling detection and control unit, superhigh temperature loading unit, clamping unit etc., is vertical gantry structure.Driving, transmission and the detection unit of each axis are independent in device, non-interference.Biaxial tension/compressive load driving unit is driven by electric actuating cylinder, its internal High-accuracy direct current servomotor is as driving power source, microminiature more step reduction mechanism realizes that high reduction ratio is slowed down and increases square, with reference to stress variation feedback technique, ensure that there is enough load capabilities on the premise of compact-sized, realize the application of the accurate load under quasi-static pattern.The utility model can be to greatest extent simulated under the real working condition of material members, and effective means and method are provided for Mechanics Performance Testing of the material under high-temperature service state.
Description
Technical field
The utility model is related to material mechanical performance technical field of measurement and test, more particularly to a kind of superhigh temperature complex load twin shaft
Compression and Expansion test device, collection driving, loading, detection, biaxial stretch-formed under power thermal coupling environment/Compressive Mechanical Properties test and
In-situ observation is in one, for carrying out in-situ test to material micro mechanical property in the case of superhigh temperature complex load.
Background technology
Heat-resistant composite material has the function of heat-insulated, carrying, resists and injure, and is the thermal protections such as aerospace, weaponry system
The critical material of system development and design, heat-resistant composite material directly determine the advanced of related system, weapon and aircraft and can
By property, can not only reduce construction weight, can also be substantially improved the mechanical behavior under high temperature of device, and China's heat-resistant composite material with
The development of the high-temperature behavior measuring technology of structure falls behind and lacks advanced equipment relatively, for China's high-technology field and state
The design of superhigh temperature heat-resistant composite material and the foundation of hyperthermal material theory of mechanics, China's active demand in anti-equipment build-up
The ultra-temperature mechanical performance test experiments instrument and equipment of heat-resistant composite material under high temperature complex load with independent intellectual property right
Research.
Heat-resistant composite material in superhigh temperature extreme environment, is related to a variety of thermal responses of material under particular surroundings for a long time
And the high temperature of multicomponent Multi-scale model develops, therefore, designing and developing for heat-resistant composite material necessarily refers to hot environment load
The factors such as lotus, material selection, the design of microcosmic texture, mechanical analysis, verification test, reliability and cost, and in material power
It learns in test, power heat coupling material mechanical test is the direct approach for obtaining material structure high-temperature service performance, in aerospace
With the fields such as armament equipment, how accurately to realize that the high-precision temperature detection in temperature field suffered by test specimen is out
The key for thermal coupling high temperature loading system of having an effect also is the basic mechanical behavior under high temperature of assessment material（Creep properties, stress relaxation are special
Property and fatigue at high temperature characteristic etc.）With the key of service safety.
Compared with foreign study, the country still lacks complicated Mechanics Performance Testing equipment and in-situ observation skill under hot conditions
Art also has numerous studies to need to carry out in terms of Mechanics Performance Testing in a high temperauture environment, it is difficult to meet material and be led in superhigh temperature
The performance evaluation demand of domain application, and under high temperature complex load environment, fracture failure is one of its most important failure mode,
To ensure that heat-resistant composite material and its product are using in commission stability, reliability and durability, being badly in need of one kind can be
In thermal extremes environment it is-microcosmic-to mechanical behavior of the material under complex load, macroscopic view receive see the performances such as Coupling Damage mechanism into
The instrument and equipment of row Validity Test.
To sum up, it is still necessary to open up for the device that can be integrated at present under the high temperature complex load of material micro mechanical property in-situ test
Exhibition, and realize surface topography and internal structure of the material under high-temperature service operating mode double synchronous characterization be conducive to it is micro- to material
It sees Organizational Structure Evolution and inefficacy mechanism carries out accurate evaluation.
The content of the invention
The purpose of this utility model is to provide a kind of biaxial stretch-formed compression verification devices of superhigh temperature complex load, solve
The above problem existing in the prior art.The utility model combines the safety under the high-temperature service operating mode to promotion heat-resistant composite material
Property there is an urgent need to develop a kind of collection driving, loading, detection, biaxial stretch-formed under power thermal coupling environment/Compressive Mechanical Properties test
And in-situ observation is in the multifunction test instrument of one.The utility model is by biaxial tension/compressive load loading unit, two-way
The compositions such as signal detection and control unit, superhigh temperature loading unit, clamping unit are vertical gantry structure.Each axis in device
Driving, transmission and detection unit are independent, non-interference.Biaxial tension/compressive load driving unit is driven by electric actuating cylinder
Dynamic, for internal High-accuracy direct current servomotor as driving power source, microminiature more step reduction mechanism realizes that high reduction ratio subtracts
Speed increases square, with reference to stress variation feedback technique, it is ensured that has enough load capabilities on the premise of compact-sized, realizes in standard
The application of accurate load under static schema.Two-way signaling detects and control unit is to gather signal and deformation signal as feedback sources
Closed-loop system combine four road-load lotus displacement signal synchronous bidirectionals acquisitions, realize a variety of moulds such as uniaxial, biaxial stretch-formed compact model
The material mechanical performance test of formula type.Mode of heating includes integrated resistor mode of heating and halogen lamp high-temperature heating mode, point
Stage realizes 2500 DEG C of superhigh temperature Combined Loading, and real-time monitored in situ is carried out to heating test specimen with reference to digital Speckles Technique, right
Micromechanics behavior of the material under high temperature bi-directional loading mode, deformation damage mechanism are furtherd investigate.The utility model can
To simulate to greatest extent under the real working condition of material members, carried for Mechanics Performance Testing of the material under high-temperature service state
For effective means and method.
The above-mentioned purpose of the utility model is achieved through the following technical solutions：
The biaxial stretch-formed compression verification device of superhigh temperature complex load, including biaxial tension/compressive load driving unit, two-way
Signal detection and control unit, superhigh temperature loading unit, clamping unit, the biaxial tension/compressive load driving unit pass through
Bolt is connected with planer-type column 1, and the two-way signaling detection and control unit are by pull pressure sensor I ~ IV 6,11,17,22
Composition, is rigidly connected with 3 screw thread of high temperature cavity, and the superhigh temperature loading unit is rigidly fixed in high temperature cavity 3, the clamping
Unit is clamped in clamp body axis by expansion set I ~ IV 5,16,21,28.Air supporting vibration isolation platform 12 and 10 company of being bolted of cavity pedestal
It connecing, pull pressure sensor I ~ IV 6,11,17,22 are distributed in four direction, are gathered with reference to four road-load lotus displacement signal synchronous bidirectionals,
Halogen lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30 are arranged on the cavity back side and cavity wall of high temperature cavity 3, cross examination
14 test point of part is always in halogen lamp I ~ Ⅸ 2, the loading of 8,13,19,24,25,26,29,30 high temperature and digital imagery visual field
Center.
The biaxial tension/compressive load driving unit realizes straight line fortune by electric actuating cylinder I ~ IV 7,18,23,27
Dynamic, internal driving source is driven by servomotor, is furnished in the hole portion of electric actuating cylinder I ~ IV 7,18,23,27 bodies a set of
Corresponding damping element, the damping element by with piston contact, the displacement of limiting displacement component, using formula N=KX,
By adjusting corresponding servomotor rotating speed N, displacement X is calculated, to determine stretching/compressing displacement；Electric actuating cylinder I ~ IV
7th, 18,23,27 it is attached, and is bolted to connection respectively on planer-type column 1 by ring flange respectively, inside it
Reducing gear be rigidly fixed in electric actuating cylinder I ~ IV；By electric actuating cylinder I ~ IV 7,18,23,27 control cross test specimens 14
Biaxial tension and compression, realize La-drawing to standard specimen 14, drawing-pressure, the load mode of pressure-pressure experiment, realize to operating mode
Simulation.
The two-way signaling detection and control unit are：Pull pressure sensor I ~ IV 6,11,17,22 respectively with high temperature chamber
3 screw thread of body is rigidly connected, and is connected with flange plate bolt, realizes positioning；The analog signal and encoder deformed by loaded load
The signal detection for gathering to realize loading direction of calibration digital signal, while above-mentioned signal also can be respectively as electric actuating cylinder
The feedback signal source of I ~ IV 7,18,23,27 pulse direction closed loop control mode, you can to realize permanent rate of deformation, constant load
Three kinds of loading and unloading modes of rate and permanent rate of displacement.
The superhigh temperature loading unit includes integrated resistor heating and halogen lamp high temperature composite heating two ways, sublevel
The superhigh temperature Combined Loading of 2500 DEG C of Duan Shixian is loaded onto 1700 DEG C using resistance heating manner, then keeps in high temperature cavity 3
Constant temperature makes high temperature cavity 3 reach thermal balance；Then, in the high-temperature field based on resistance heating, at the back side of high temperature cavity 3
Halogen lamp V ~ Ⅸ 24,25,26,29,30 are placed, halogen lamp I ~ IV 2,8,13,19 are placed on the cavity wall of high temperature cavity 3, it is right
The test zone of tested cross test specimen 14 carries out localized hyperthermia's loading, and then realizes that test specimen test zone reaches 2500 DEG C or more
Superhigh temperature loads, and can be with the components such as shield jig are loaded from superhigh temperature and are failed.
Cross test specimen 14 realizes its axially position by accommodating the through hole at end, clamp body I ~ IV 4,9,15,20 be equipped with
The corresponding groove structure of test specimen, test specimen 14 respectively with clamp body I ~ IV 4,9,15,20 rigid contacts, clamp body pressure
Plate is connected respectively by bolt with clamp body I ~ IV 4,9,15,20；Clamp body axis on 4 directions respectively by expansion set I ~ IV 5,
16th, 21,28 be clamped fixation, to prevent clamp body I ~ IV 4,9,15,20 because high temperature deforms, by clamp body I ~ IV 4,
9th, 15,20 condensate port carries out cycling of water, to realize to the cooling inside high temperature load condition lower chamber.
The cross test specimen 14 has the full symmetric structure of twin shaft, i.e. stress weakness zone is in its geometric center position
It is and respectively consistent to structure size.
Halogen heating lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30, the wherein halogen lamp V at the cavity back side ~
Ⅸ 24,25,26,29,30 spherical envelop-types distributions, halogen lamp I ~ IV 2,8,13,19 are in a plane, i.e. high temperature cavity 3
On side wall；Nine groups of halogen heating lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30 have parabolical caustic surface, luminous point position
In the spherical surface of 3 envelope of high temperature cavity, high temp samples are tested, i.e. cross test specimen 14 is at the centre of sphere of composite cavity, is nine groups
The front end probe of nine groups of thermocouple terminals of halogen heating lamp I ~ Ⅸ forms the centre of sphere of virtual spherical surface.
The beneficial effects of the utility model are：
1. compared with prior art, the superhigh temperature complex load Biaxial stress device of the utility model, can not only realize
Complex load（La-drawing, drawing-pressure, pressure-pressure）Multi-functional loading, and can realize Ultra-Low Speed semi-static load, tandem-axle load
The coordinated signals of loading mode integrated driving, can with regard to material high temperature complex load loading mode effect under Micromechanics
Energy and degenerative lesion mechanism make accurate evaluation.
2. modularized design is carried out in structure, compact-sized, vdiverse in function, collection driving, loading, detection, power thermal coupling
Biaxial stretch-formed under cyclization border/Compressive Mechanical Properties test and in-situ observation are in one.
3. superhigh temperature load condition is divided into two kinds of stages, accurately temperature can be controlled, can both have been realized to tested
The uniformly distributed high temperature loading of sample can realize the local superhigh temperature heating to test specimen again, reduce and heat-insulated and Water Cooling Technology is wanted
It asks, realizes maximum temperature >=2500 DEG C.
In commission structure design, stability, reliability and durable are being used 4. can be heat-resistant composite material and its product
Property structural appraisal provide new method, to research work have highly important scientific meaning and very high economic benefit.
Description of the drawings
Attached drawing described herein is used to provide a further understanding of the present invention, and forms the part of the application,
The illustrative example and its explanation of the utility model do not form the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the overall appearance structural representation of the utility model；
Fig. 2 is the partial rear schematic diagram of the utility model；
Fig. 3 is the cavity schematic diagram of the utility model；
Fig. 4 is the mucosal structure figure of the utility model；
Fig. 5 is the heat by lalonge lamp schematic layout pattern of the utility model.
In figure：1st, planer-type column；2nd, halogen lamp I；3rd, high temperature cavity；4th, clamp body I；5th, expansion set I；6th, pressure senses
Device I；7th, electric actuating cylinder I；8th, halogen lamp II；9th, clamp body II；10th, cavity pedestal；11st, pull pressure sensor II；12nd, air supporting
Vibration isolation table；13rd, halogen lamp III；14th, cross test specimen；15th, clamp body III；16th, expansion set II；17th, pull pressure sensor III；18th, it is electric
Dynamic cylinder II；19th, halogen lamp IV；20th, clamp body IV；21st, expansion set III；22nd, pull pressure sensor IV；23rd, electric actuating cylinder
Ⅲ；24th, halogen lamp V；25th, halogen lamp VI；26th, halogen lamp VII；27th, electric actuating cylinder IV；28th, expansion set IV；29th, halogen lamp
Ⅷ；30th, halogen lamp Ⅸ.
Specific embodiment
The detailed content and its specific embodiment of the utility model are further illustrated below in conjunction with the accompanying drawings.
Referring to shown in Fig. 1 to Fig. 5, the biaxial stretch-formed compression verification device of superhigh temperature complex load of the utility model, including
Biaxial tension/compressive load driving unit, two-way signaling detection and control unit, superhigh temperature loading unit, clamping unit, it is described
Biaxial tension/compressive load driving unit be connected by bolt with planer-type column 1, the two-way signaling detection and control
Unit is made of pull pressure sensor I ~ IV 6,11,17,22, is rigidly connected with 3 screw thread of high temperature cavity, superhigh temperature loading
Unit is rigidly fixed in high temperature cavity 3, and the clamping unit is clamped in clamp body axis by expansion set I ~ IV 5,16,21,28.Air supporting
Vibration isolation table 12 is bolted to connection with cavity pedestal 10, and pull pressure sensor I ~ IV 6,11,17,22 are distributed in four sides
To with reference to four road-load lotus displacement signal synchronous bidirectional acquisitions, halogen lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30 are arranged in
On the cavity back side of high temperature cavity 3 and cavity wall, 14 test point of cross test specimen always in halogen lamp I ~ Ⅸ 2,8,13,19,24,
25th, the center of the loading of 26,29,30 high temperature and digital correlation imaging viewing field.
The biaxial tension/compressive load driving unit realizes straight line fortune by electric actuating cylinder I ~ IV 7,18,23,27
Dynamic, internal driving source is driven by servomotor, is furnished in the hole portion of electric actuating cylinder I ~ IV 7,18,23,27 bodies a set of
Corresponding damping element, the damping element by with piston contact, the displacement of limiting displacement component, using formula N=KX,
By adjusting corresponding servomotor rotating speed N, displacement X can be calculated indirectly, to determine stretching/compressing displacement；It is electronic
Cylinder I ~ IV 7,18,23,27 are attached respectively by ring flange, and are bolted to connection respectively in planer-type column 1
On, reducing gear inside it is rigidly fixed in electric actuating cylinder I ~ IV；By electric actuating cylinder I ~ IV 7,18,23,27 controls
The biaxial tension and compression of cross test specimen 14 processed can realize that La-drawing to standard specimen 14, drawing-pressure, pressure-pressure experiment etc. are answered
Miscellaneous load mode realizes the simulation to operating mode.
The two-way signaling detection and control unit are：Pull pressure sensor I ~ IV 6,11,17,22 respectively with high temperature chamber
3 screw thread of body is rigidly connected, and is connected with flange plate bolt, realizes positioning；The analog signal and encoder deformed by loaded load
The signal detection for gathering to realize loading direction of calibration digital signal, while above-mentioned signal also can be respectively as electric actuating cylinder
The feedback signal source of I ~ IV 7,18,23,27 pulse direction closed loop control mode, i.e. this test device can realize permanent deformation speed
Three kinds of rate, constant loading rate and permanent rate of displacement loading and unloading modes.
The superhigh temperature loading unit includes integrated resistor heating and halogen lamp high temperature composite heating two ways, sublevel
The superhigh temperature Combined Loading of 2500 DEG C of Duan Shixian, to prevent internal structure because high temperature deforms, this loading unit uses resistance
Mode of heating is loaded onto 1700 DEG C, then keeps constant temperature in high temperature cavity 3, high temperature cavity 3 is made to reach thermal balance；Then,
In the high-temperature field based on resistance heating, by being laid out to the optimization of halogen lamp, i.e., halogen is placed using at the back side of high temperature cavity 3
Halogen lamp I ~ IV 2,8,13,19 are placed in lamp V ~ Ⅸ 24,25,26,29,30 on the cavity wall of high temperature cavity 3, to being tested cross
The test zone of test specimen 14 carries out localized hyperthermia's loading, and then realizes that test specimen test zone reaches 2500 DEG C or more of superhigh temperature and adds
It carries, and can be with the components such as shield jig are loaded from superhigh temperature and are failed.
Cross test specimen 14 realizes its axially position by accommodating the through hole at end, clamp body I ~ IV 4,9,15,20 be equipped with
The corresponding groove structure of test specimen, test specimen 14 respectively with clamp body I ~ IV 4,9,15,20 rigid contacts, clamp body pressure
Plate is connected respectively by bolt with clamp body I ~ IV 4,9,15,20；Clamp body axis on 4 directions respectively by expansion set I ~ IV 5,
16th, 21,28 be clamped fixation, to prevent clamp body I ~ IV 4,9,15,20 because high temperature deforms, by clamp body I ~ IV 4,
9th, 15,20 condensate port carries out cycling of water, to realize to the cooling inside high temperature load condition lower chamber.
The cross test specimen 14 has the full symmetric structure of twin shaft, i.e. stress weakness zone is in its geometric center position
It is and respectively consistent to structure size.
Halogen heating lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30, the wherein halogen lamp V at the cavity back side ~
Ⅸ 24,25,26,29,30 spherical envelop-types distributions, halogen lamp I ~ IV 2,8,13,19 are in a plane, i.e. high temperature cavity 3
On side wall；Nine groups of halogen heating lamp I ~ Ⅸ 2,8,13,19,24,25,26,29,30 have parabolical caustic surface, luminous point position
In the spherical surface of 3 envelope of high temperature cavity, high temp samples are tested, i.e. cross test specimen 14 is at the centre of sphere of composite cavity, is nine groups
The front end probe of nine groups of thermocouple terminals of halogen heating lamp I ~ Ⅸ forms the centre of sphere of virtual spherical surface.
Referring to shown in Fig. 1 to Fig. 5, the main body of the biaxial stretch-formed compression verification device of superhigh temperature complex load of the utility model
Size is 340 mm × 130mm × 340mm, and the utility model is precisely to observe material under the effect of superhigh temperature complex load
Micromechanics parameter, failure mode etc..
The utility model is using mounting means from the bottom to top, from the inside to the outside.Cavity pedestal 10 is connected through a screw thread mode
It is rigidly connected with air supporting vibration isolation platform 12, as the support member of high-temperature heating chamber, by taking unilateral side as an example, electric actuating cylinder I 7 and gantry
Formula column 1 is rigidly connected and fixes realization positioning, is realized by the microminiature more step reduction mechanism inside electric actuating cylinder I 7 high
Reduction ratio, which is slowed down, increases square, utilizes stress variation feedback technique, it is ensured that there is enough load capabilities on the premise of compact-sized,
It realizes Ultra-Low Speed semi-static load, while ensures during biaxial stretch-formed/compression verification, draft 14 test point of cruciform specimen
Always the center in the loading of I-Ⅸ high temperature of halogen lamp and digital correlation imaging viewing field, loading and each list of gear unit
Controllable to load rate of application, applying mode is independent, and application order is controllable.
When superhigh temperature loading device described in the utility model carries out Mechanics Performance Testing under hyperthermal environments, it is necessary to protect
The hot environment in high temperature cavity 3 is held, and takes rational heat-insulated and Water Cooling Technology；Image for ease of digital speckle instrument moves
State is tested, and in high temperature cavity leading portion center, design high temperature resistant observation window realizes the accurate observation to cross test specimen 14；For
It prevents test specimen 14 and clamp body I 4 from oxidation etc. occurs, vacuum or atmosphere of inert gases need to be kept, ensure high temperature cavity 3
Leakproofness, to prevent fixture and main shaft from, because high temperature deforms, researching and analysing ohmic heating technology and load mode, it is ensured that its chamber
Entire pilot system reaches the thermal balance of steady temperature in vivo, and optimizes the layout of halogen lamp I-Ⅸ, realizes cross test specimen 14
Test zone localized hyperthermia's uniform load, test specimen 14 is kept to stablize loading in the superhigh temperature of 2500 DEG C and environment above.
During the entire process of test, deformation of the test specimen under tandem-axle load effect, degree of impairment is by digital speckle
Dynamic monitoring is carried out, and image can be recorded simultaneously, on this basis, characterization material can be also obtained in real time with reference to host computer debugging software
Expect the important mechanics parameters such as one strain curve of engineering stress, elasticity modulus, yield strength and the tensile strength of mechanical property.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.All any modifications made to the utility model,
Equivalent substitution, improvement etc., should be included within the scope of protection of this utility model.
Claims (7)
1. a kind of biaxial stretch-formed compression verification device of superhigh temperature complex load, it is characterised in that：Including biaxial tension/compressive load
Driving unit, two-way signaling detection and control unit, superhigh temperature loading unit, clamping unit, the biaxial tension/compressive load
Driving unit passes through bolt and planer-type column（1）It is connected, the two-way signaling detection and control unit are by pull pressure sensor I
~Ⅳ（6、11、17、22）Composition, with high temperature cavity（3）Screw thread is rigidly connected, and the superhigh temperature loading unit is rigidly fixed in height
Warm cavity（3）, the clamping unit is by expansion set I ~ IV（5、16、21、28）It is clamped in clamp body axis；Air supporting vibration isolation platform（12）With chamber
Body pedestal（10）It is bolted to connection, pull pressure sensor I ~ IV（6、11、17、22）Four direction is distributed in, with reference to four
Road-load lotus displacement signal synchronous bidirectional acquisition, halogen lamp I ~ Ⅸ（2、8、13、19、24、25、26、29、30）It is arranged in high temperature cavity
（3）The cavity back side and cavity wall on, cross test specimen（14）Test point is in halogen lamp I ~ Ⅸ always（2、8、13、19、24、25、
26、29、30）High temperature loads and the center of digital imagery visual field.
2. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1, it is characterised in that：Described
Biaxial tension/compressive load driving unit is by electric actuating cylinder I ~ IV（7、18、23、27）Realize linear motion, internal drive
Dynamic source is driven by servomotor, in electric actuating cylinder I ~ IV（7、18、23、27）The hole portion of body is furnished with a set of corresponding damping
Element, the damping element by with piston contact, the displacement of limiting displacement component, using formula N=KX, by adjusting corresponding
Servomotor rotating speed N, displacement X is calculated, to determine stretching/compressing displacement；Electric actuating cylinder I ~ IV（7、18、23、27）
It is attached, and is bolted to connection respectively in planer-type column by ring flange respectively（1）On, speed reducer inside it
Structure is rigidly fixed in electric actuating cylinder I ~ IV；By electric actuating cylinder I ~ IV（7、18、23、27）Control cross test specimen（14）It is double
To stretching and compressing, realize to standard specimen（14）La-drawing, drawing-pressure, the load mode of pressure-pressure experiment, realize to operating mode
Simulation.
3. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1, it is characterised in that：Described
Two-way signaling detects and control unit is：Pull pressure sensor I ~ IV（6、11、17、22）Respectively with high temperature cavity（3）Screw thread is firm
Property connection, be connected with flange plate bolt, realize position；Analog signal and encoder the calibration number letter deformed by loaded load
Number acquisition realize the signal detection of loading direction, while above-mentioned signal also can be respectively as electric actuating cylinder I ~ IV（7、18、
23、27）Pulse direction closed loop control mode feedback signal source, you can to realize permanent rate of deformation, constant loading rate and perseverance
Three kinds of loading and unloading modes of rate of displacement.
4. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1, it is characterised in that：Described
Superhigh temperature loading unit includes integrated resistor heating and halogen lamp high temperature composite heating two ways, realizes 2500 DEG C stage by stage
Superhigh temperature Combined Loading is loaded onto 1700 DEG C using resistance heating manner, then keeps high temperature cavity（3）Interior constant temperature, makes
High temperature cavity（3）Reach thermal balance；Then, in the high-temperature field based on resistance heating, in high temperature cavity（3）The back side place halogen
Lamp V ~ Ⅸ（24、25、26、29、30）, in high temperature cavity（3）Cavity wall on place halogen lamp I ~ IV（2、8、13、19）, to quilt
Survey cross test specimen（14）Test zone carry out localized hyperthermia loading, and then realize that test specimen test zone reaches 2500 DEG C or more
Superhigh temperature loads, and can be with shield jig component is loaded from superhigh temperature and is failed.
5. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1, it is characterised in that：Described
Clamping unit is：Cross test specimen（14）Its axially position, clamp body I ~ IV are realized by the through hole for accommodating end（4、9、15、20）On
Equipped with the corresponding groove structure of test specimen, test specimen（14）Respectively with clamp body I ~ IV（4、9、15、20）Rigidity connects
It touches, clamp body pressing plate passes through bolt and clamp body I ~ IV respectively（4、9、15、20）Connection；Clamp body axis point on 4 directions
Not by expansion set I ~ IV（5、16、21、28）Fixation is clamped, to prevent clamp body I ~ IV（4、9、15、20）Because high temperature becomes
Shape passes through clamp body I ~ IV（4、9、15、20）Condensate port carry out cycling of water, to realize to inside high temperature load condition lower chamber
Cooling.
6. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1 or 2 or 4 or 5, feature exist
In：The cross test specimen（14）With the full symmetric structure of twin shaft, i.e., stress weakness zone be in its geometric center position and
It is respectively consistent to structure size.
7. the biaxial stretch-formed compression verification device of superhigh temperature complex load according to claim 1 or 4, it is characterised in that：Institute
The halogen heating lamp I ~ Ⅸ stated（2、8、13、19、24、25、26、29、30）, the wherein halogen lamp V ~ Ⅸ at the cavity back side（24、25、
26、29、30）Spherical envelop-type distribution, halogen lamp I ~ IV（2、8、13、19）In a plane, i.e. high temperature cavity（3）Side wall
On；Nine groups of halogen heating lamps I ~ Ⅸ（2、8、13、19、24、25、26、29、30）With parabolical caustic surface, luminous point is located at
High temperature cavity（3）The spherical surface of envelope is tested high temp samples, i.e. cross test specimen（14）It is nine at the centre of sphere in composite cavity
The front end probe of nine groups of thermocouple terminals of group halogen heating lamp I ~ Ⅸ forms the centre of sphere of virtual spherical surface.
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| CN201721250324.6U CN207423694U (en) | 2017-09-27 | 2017-09-27 | The biaxial stretch-formed compression verification device of superhigh temperature complex load |
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| CN201721250324.6U CN207423694U (en) | 2017-09-27 | 2017-09-27 | The biaxial stretch-formed compression verification device of superhigh temperature complex load |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607409A (en) * | 2017-09-27 | 2018-01-19 | 吉林大学 | The biaxial stretch-formed compression verification device of superhigh temperature complex load |
| CN110595658A (en) * | 2019-09-27 | 2019-12-20 | 浙江工业大学 | Residual stress introducing device capable of keeping central position motionless |
| CN111879800A (en) * | 2020-06-16 | 2020-11-03 | 东莞材料基因高等理工研究院 | High-temperature radiation heating equipment for in-situ loading diffraction experiment |
| CN113671144A (en) * | 2021-08-19 | 2021-11-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Hydrogen determination probe rod driving device |
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2017
- 2017-09-27 CN CN201721250324.6U patent/CN207423694U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107607409A (en) * | 2017-09-27 | 2018-01-19 | 吉林大学 | The biaxial stretch-formed compression verification device of superhigh temperature complex load |
| CN107607409B (en) * | 2017-09-27 | 2023-10-20 | 吉林大学 | Ultra-high temperature complex load biaxial stretching compression testing device |
| CN110595658A (en) * | 2019-09-27 | 2019-12-20 | 浙江工业大学 | Residual stress introducing device capable of keeping central position motionless |
| CN111879800A (en) * | 2020-06-16 | 2020-11-03 | 东莞材料基因高等理工研究院 | High-temperature radiation heating equipment for in-situ loading diffraction experiment |
| CN113671144A (en) * | 2021-08-19 | 2021-11-19 | 攀钢集团攀枝花钢铁研究院有限公司 | Hydrogen determination probe rod driving device |
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