CN203849115U - Dynamic airtight automatic deformation test system of high-temperature tester - Google Patents

Dynamic airtight automatic deformation test system of high-temperature tester Download PDF

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Publication number
CN203849115U
CN203849115U CN201420061393.2U CN201420061393U CN203849115U CN 203849115 U CN203849115 U CN 203849115U CN 201420061393 U CN201420061393 U CN 201420061393U CN 203849115 U CN203849115 U CN 203849115U
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China
Prior art keywords
orienting lug
movable frame
displacement transducer
screw
sample
Prior art date
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Withdrawn - After Issue
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CN201420061393.2U
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Chinese (zh)
Inventor
李永刚
李晓睿
刘克
谭丽华
邵昕
刘祎冉
蔚晓敏
申西杰
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Sinosteel Luoyang Institute of Refractories Research Co Ltd
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Sinosteel Luoyang Institute of Refractories Research Co Ltd
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Priority to CN201420061393.2U priority Critical patent/CN203849115U/en
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Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a dynamic airtight automatic deformation test system of a high-temperature tester. A test furnace of the automatic deformation test system is a sealed furnace body (14); an air supply device for introducing protective air and a vacuumizing device are arranged on the furnace body (14); a displacement sensor device for measuring deformation is further arranged on the furnace body (14); the automatic deformation test system comprises a displacement sensor (26) and a measurement rod (10); one end of the measurement rod (10) is in contact with a sample (12), and the other end of the measurement rod (10) is arranged on a measurement sleeve (16); the measurement sleeve (16) is connected with the displacement sensor (26) by a spring; a sealing mechanism is arranged outside the measurement sleeve (16) and the displacement sensor (26) and is arranged in a movable frame (22) outside the furnace body (14); a driving mechanism for driving the movable frame (22) is arranged on one side of the movable frame (22). The sealing problem of the automatic deformation test system of the high-temperature tester in a dynamic operation state is solved, driving and adjustment of the displacement sensor device during multi-sample continuous deformation measurement are realized, and the automatic deformation test system is convenient and reliable.

Description

A kind of dynamic airtight automatic deformation test macro of hot test instrument
Technical field
The utility model belongs to testing tool class, relates to a kind of displacement measurement system, particularly the dynamic airtight automatic deformation test macro of hot test instrument.
Background technology
The measuring technologies relevant to deformation such as the high-temperature high-pressure strain of material, three-point bending ess-strain, refractoriness under load, pressure creep, thermal expansion, all need the deformation of test material being heated, under the effect such as stressed, time remaining.
High temperature three-point bending stress-strain, be at a certain temperature, advance the speed and apply three-point bending stress to sample with certain constant stress or permanent displacement, sample is with the increase of stress, can produce Bending Deformation, the three-point bending stress-strain of sample has interrelated and dependence.
High-temperature high-pressure stress-strain, is at a certain temperature, advances the speed and applies compressive stress to sample with certain constant stress or permanent displacement, and sample, with the increase of stress, can produce compression set, and the compressive stress-strain of sample has interrelated and dependence.Same, the stress-strain of the stretching of sample, distortion, shearing etc., also has interrelated and dependence.
Refractoriness under load, under constant load and heating rate, right cylinder sample is subject to produce deformation under the acting in conjunction of loading and high temperature, measures the relevant temperature of its regulation deformation extent.
Press creep, the sample of an intended size, under constant compressive stress, heat and reach the temperature of setting with certain heating rate, record deflection in the short transverse that sample produces along with the time under steady temperature and the percentage rate of change with respect to sample original height.
Thermal expansion, sample is heated to predetermined test temperature by heating rate with regulation, the length variations value that test sample raises with temperature, the ratio of this value and sample original length, be the linear expansivity of sample, the ratio of linear expansivity and its temperature range temperature gap, is the average coefficient of linear expansion of this temperature range.
Measure the stress-strain of material under hot conditions, temperature strain curve under the acting in conjunction of load-temperature-time (lotus is soft, thermal expansion), time-deformation curve (creep), can reflect the impact for the mineral composition of goods, institutional framework, crystal phase transition of temperature, load, time, can calculate elastic modulus, Poisson ratio, thermal shock resistance of material etc., the usability of goods can be predicted, the improvement direction of production technology can be judged.
At present, stress-strain testing machine (or tester), the soft instrument of lotus (testing machine), creepmeter (testing machine), thermal dilatometer (tester, analyser) be for testing displacement measurement system or the mechanism of deformation, substantially can meet performance test under natural air condition and the demand of evaluation.
Most of carbon composite refractories are under oxidizing atmosphere, and its surface is slow oxidation at 450 DEG C, then pass through diffusion and the interfacial reaction of oxygen, make gradually product surface be oxidized, loosen, deteriorate.Thereby test figure can produce error.Therefore, in the time measuring the deformation of carbon composite refractory, protection carbon composite refractory sample is not oxidized, truly reflects its high-temperature behavior, and the technology that development can prevent sample oxidation is so with regard to particular importance.
In industrial furnace, the threat that not only carbonaceous material is oxidized, also can recurring structure under the multiple atmospheres such as nitrogen, hydrogen, carbon monoxide, ammonia, carbon dioxide, sulphuric dioxide, the variation of composition, crystal transition etc., thereby causes the change of its performance.
Up to the present, still do not report that carbonaceous material bears the distortion measurement system under the acting in conjunction of load-temperature-time, be not more suitable for the dynamic anti-oxidation distortion measurement system of polylith sample follow-on test.Therefore, under research controlled atmosphere, material stress-strain, temperature strain curve under the acting in conjunction of load-temperature-time (lotus is soft, thermal expansion), time-deformation curve (creep) particular importance that just seems.Particularly, under controlled atmosphere, the dynamic airtight automatic measurement deformed system that suitable multiple sample uses continuously, has become the focus of researching and developing.
Utility model content
The purpose of this utility model is to overcome existing test instrument (or testing machine) and easily makes sample oxidation, can not meet the deficiency of multiple atmosphere condition test, and a kind of dynamic airtight automatic deformation test macro of hot test instrument is provided.
The purpose of this utility model can be achieved through the following technical solutions: the dynamic airtight automatic deformation test macro of described hot test instrument, its trial furnace is sealing body of heater, on body of heater, be provided with the air-breather and the vacuum extractor that pass into protective atmosphere, on body of heater, be also provided with the displacement sensor device for automatically measuring deformation, this automatic deformation test macro comprises displacement transducer and sounding rod, sounding rod one end in contact sample, the other end is arranged on measuring unit, measuring unit is connected with displacement transducer by spring, in measuring unit outside and displacement transducer sealing mechanism is set outward, described closure mechanism is arranged in the movable frame of body of heater outside, movable frame one side is provided with the driving mechanism for driving movable frame.
Described closure mechanism comprises sealing shroud, O-ring seal a, O-ring seal b, water sleeve pressure cap, described sealing shroud is heat-resisting body, be arranged on the outside of measuring unit, its one end is provided with the perforate that can make sounding rod move freely, the inside of its other end is provided with groove, O-ring seal b is set in groove, and displacement transducer upper outside is slided airtight connection by O-ring seal b with sealing shroud inwall; Described water jacket is connected with body of heater, is arranged on the periphery of sealing shroud, and O-ring seal a is set between sealing shroud and water jacket, and O-ring seal a arranges pressure cap outward, and outside, sealing shroud middle part is connected with movable frame.
Described driving mechanism comprises drive motor, leading screw, orienting lug a, guide pole etc., and its drive motor is arranged on motor cabinet, and drive motor upper end connects leading screw, and the other end of leading screw is by bearing, bearing seat fixed frame; The through hole that orienting lug a mono-middle side part is provided with, through-hole wall is screw, screw and leading screw composition lead screw pair, leading screw is through orienting lug a; The opposite side of orienting lug a is provided with pilot hole, and guide pole a is installed in pilot hole, and the upper top of guide pole a is fixed in frame by holder; Described orienting lug a mono-side is connected with movable frame.
In described movable frame, be provided with an orienting lug b, orienting lug b middle part is provided with through hole, the main body of displacement transducer through the through hole of orienting lug b and fastening it, in orienting lug b mono-side, be provided with pilot hole, guide pole b is set in pilot hole, be provided with screw at orienting lug b opposite side, be provided with adjusting screw(rod) in screw, the outer end of adjusting screw(rod) is knob.
The end of described displacement transducer is the displacement transducer obturator of input, output electrical signals, and this obturator can be a mechanism, can be also the enclosed material of filling at displacement transducer end.
Advantage of the present utility model: the sealing problem of the automatic deformation test macro that has 1. solved hot test instrument under dynamic operation state, the trial furnace body of heater of having realized sealing former with it formed enclosed system completely, realized the scientific measurement of the controlled and deformation of test furnace atmosphere under dynamic operation state.2. automatic collection, record, the processing of sample deformation data have been realized.3. realized driving, the adjusting of displacement sensing apparatus when many samples continuous deformation is measured, convenient and reliable.4. water cooling system has ensured the operating ambient temperature of displacement transducer and encapsulant, thereby has improved the accuracy of test and the serviceable life of encapsulant.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment 1.
Accompanying drawing 2 is structural representations of the utility model embodiment 2.
Accompanying drawing 3 is structural representations of the utility model embodiment 3.
In figure, 1, drive motor, 2, motor cabinet, 3, leading screw, 4, guide pole a, 5, orienting lug a, 6, holder, 7, bearing, 8, bearing seat, 9, water jacket, 10, sounding rod, 11, guide rail, 12, sample, 13, pressure bar, 14, body of heater, 15, sealing shroud, 16, measuring unit, 17, O-ring seal a, 18, frame, 19, pressure cap, 20, spring, 21, O-ring seal b, 22, movable frame, 23, guide pole b, 24, orienting lug b, 25, adjusting screw(rod), 26, displacement transducer, 27, displacement transducer obturator.
Embodiment
By reference to the accompanying drawings 1, accompanying drawing 2, accompanying drawing 3, embodiment of the present utility model is described.
embodiment 1
The present embodiment 1 is a kind of automatic deformation test macro of controlled atmosphere high temperature three-point bending six sample stress-strain testers.
The hot test furnace body 14 of test instrument is sealing body of heater; be that metal shell adopts full weld technique to seal whole seams; fire door and other parts that need open be with O-ring seal, metal fastener fit sealing, and trial furnace system is provided with air-breather, vacuum extractor, pressure vacuum meter, temperature thermocouple of passing into protective atmosphere etc.In trial furnace, load six bar-shaped sample 12, and make first bar-shaped sample, 12 belows, lower surface centre install and measure the displacement sensor bar 10 of deformation, the scheme of the present embodiment 1 is, periphery at displacement sensor device arranges sealing mechanism, described sealing mechanism is arranged on the movable frame 22 of body of heater 14 outsides, movable frame 22 1 sides be connected to piece a 5, on piece a 5, be provided with for driving to the driving mechanism of piece a 5.
Described displacement sensor device, comprise displacement transducer 26 and sounding rod 10, contact sample 12 lower surface centres, sounding rod 10 one end (upper end), the bottom in measuring unit 16 the upper half chambeies is goed deep in the lower end of sounding rod 10, measuring unit 16 is that a upper half becomes cavity, second is cut into the barred body of entity, its centre, lower end contact displacement sensor 26, the surrounding in this centre, the periphery of displacement transducer 26 is provided with spring 20, the lower end of spring 20 is seated on displacement transducer 26 outside table tops, the end of displacement transducer 26 is the displacement transducer obturator 27 of output electrical signals.
Described sealing mechanism comprises sealing shroud 15, O-ring seal a 17, O-ring seal b 21, water jacket 9 and pressure cap 19, described sealing shroud 15 is heat-resisting body, be arranged on the outside of measuring unit 16, its one end is provided with the perforate that can make sounding rod 10 move freely, the inside of its other end is provided with groove, O-ring seal b 21 is set in groove, and displacement transducer 26 upper outside are slided airtight connection by O-ring seal b 21 with sealing shroud 15 inwalls; Described water jacket 9 is arranged on the periphery of sounding rod 10 lower semisections, is fixed on body of heater 14; Between water jacket 9 and sealing shroud 15, O-ring seal a 17 is set, the outer pressure cap 19 that arranges of O-ring seal a 17, sealing circle a 17 is passed through in the upper end of sealing shroud 15, suitably regulate pressure cap 19 crush seal circle a 17, form and both can move up and down in water jacket 9 and sealing shroud 15 upper ends, again can separation gas circulation dynamically airtight.Sealing shroud 15 outsides, middle part are connected with movable frame 22.
Described driving mechanism, comprises drive motor 1, leading screw 3, orienting lug a 5, guide pole a 4; Orienting lug a 5 one sides are provided with pilot hole, and guide pole a 4 is set in pilot hole, and guide pole a 4 is fixed in frame 18 by holder 6; There is through hole at orienting lug a 5 middle parts, and its inwall is the screw that forms lead screw pair with leading screw 3, and one end of leading screw 3 is fixed in frame 18 by bearing 7, bearing seat 8, and the other end of leading screw 3 connects drive motor 1, and drive motor 1 is arranged on motor cabinet 2; Described orienting lug a 5 one sides are connected with movable frame 22, and the lower bottom part of motor cabinet 2 is seated on the frame of frame 18.
In described movable frame, be provided with governor motion, it comprises an orienting lug b 24, orienting lug b 24 middle parts are provided with through hole, displacement transducer 26 main bodys through the through hole of orienting lug b 24 and fastening it, in orienting lug b 24 1 sides, be provided with pilot hole, guide pole b 23 is set in pilot hole, be provided with screw at orienting lug b 24 opposite sides, in screw, be provided with adjusting screw(rod) 25, the outer end of adjusting screw(rod) 25 is manual knob, and the other end is fixed on movable frame 22 with bearing, bearing seat or copper sheathing.
Key work:
1. make to survey with water jacket 9, O-ring seal a 17, pressure cap 19, sealing shroud 15, O-ring seal b 21
The displacement sensor device that gauge rod 10, measuring unit 16, spring 20, displacement transducer 26 form seals.
2. start drive motor 1, drive leading screw 3, drive orienting lug a 5 to move up and down along guide pole a 4, orienting lug a 5 drives the movable frame 22 being connected as a single entity with it to move up and down, displacement sensing apparatus, the governor motion of movable frame 22 interior settings also move up and down together, until the top of the sounding rod 10 of displacement sensor device approaches the lower surface mid point of sample 12.
2. twist the outer end manual knob of adjusting screw(rod) 25, make to become with it orienting lug b 24 of screw pair
Move up and down along guide pole b 23, orienting lug b 24 drives displacement transducer 26 to finely tune and moves up and down, and makes the top of sounding rod 10 just contact the lower surface of first sample 12, and makes displacement transducer 26 be in best position (as 2mm place).
3. place according to the order of sequence 6 samples 12, close fire door, open vacuum pump, make the true degree in stove
Reach-0.06MPa, keep 5min, slowly starting characteristics test stove pass into protective gas device, make to be filled with default atmosphere in trial furnace, in the time that furnace pressure reaches 0.06MPa, keep 5min, suitably open air outlet valve, continue air feed slowly, make to keep in stove pressure-fired.
4. the heating of starting characteristics test stove, temperature-controlling system, makes to reach in stove test temperature.
5. start-up loading mechanism, automatically starts dynamically airtight automatic displacement measuring system, pressure head with
Sounding rod 10 touches after sample 12, and test macro starts accurate loading and distortion measurement, finishes current experiment, save data after reaching goal-selling.The stress-strain data test of second sample is carried out in preparation.
6. keep furnace temperature, furnace pressure, promote loading system, the dynamic airtight automatic displacement that declines is measured
System, makes sounding rod 10 upper ends leave first sample 12 lower surface, arrives suitable position, starts and pushes away model machine structure, and second sample sent into loading and distortion measurement position.Compression system declines automatically, displacement measurement system automatic-ascending, and pressure head and sounding rod 10 touch after second sample 12, and test macro starts accurate loading and distortion measurement, finishes current experiment, save data after reaching goal-selling.Prepare to carry out again the test of next sample.
7. circulation step 6., until 6 sample testings are complete.Automatic or manual printed report.
8. powered-down, continues ventilation, water flowing, until furnace temperature drops to after preset temperature, the gentle automatic or manual of water is closed.Experiment finishes.
embodiment 2
The present embodiment 2 is the automatic deformation test macro of the soft creep deformation tester of a kind of controlled atmosphere high temperature lotus.On the basis of embodiment 1, its sample is by standard GB/T/T5989-2008 " fire resistive material refractoriness under load test method differential temperature-raising method ", centered by cylindric sample 12 with through hole, the upper and lower end face of cylindric sample 12 is lined with pad, Upper gasket atresia, lower gasket is with onesize center pit, lower gasket is placed in by the same lower support rod with center pit of standard configuration, the upper end of sounding rod 10, by the center pit of lower support rod, lower gasket and cylindric sample 12, contacts the lower surface of Upper gasket.
Key work:
1. on lower the rod with center pit, place the lower gasket with center pit, on lower gasket, place sample 12, on sample 12, place Upper gasket, pressure bar on placing on Upper gasket, upwards on pressure bar, apply the predetermined load of experiment, start drive motor 1, drive leading screw 3, drive orienting lug a 5 to move up and down along guide pole a 4, orienting lug a 5 drives the movable frame 22 being connected as a single entity with it to move up and down, the displacement sensing apparatus of movable frame 22 interior settings, reconciling mechanism also moves up and down together, until the top of the sounding rod 10 of displacement sensor device is by sample 12 endoporus, contact with Upper gasket lower surface mid point.
2. twist the outer end knob of adjusting screw(rod) 25, make to become with it orienting lug b 24 of screw pair to move up and down along guide pole b 23, orienting lug b 24 drives displacement transducer 26 to finely tune and moves up and down, and makes displacement transducer 26 be in best position (as 2mm place).
3. slowly in sample protective jacket in trial furnace, pass into protective gas.
4. the automatic heating system of starting characteristics test stove, measuring system records the experiment parameter such as deformation, working time of test temperature and sample 12 automatically, until predetermined target (temperature, deflection, time) finishes experiment.Automatic or manual printed report.
5. powered-down, continues ventilation, water flowing, until furnace temperature drops to after preset temperature, the gentle automatic or manual of water is closed.Experiment finishes.
embodiment 3
The present embodiment 3 is a kind of automatic deformation test macro of controlled atmosphere high temperature thermal expansion tester.On the basis of embodiment 1, by standard GB/T/T7320-2008 " fire resistive material thermal expansion test method ", its hot test furnace body 14 is a Horizontal type seal, and trial furnace system is provided with air-breather, vacuum extractor, pressure vacuum meter, temperature thermocouple etc.Cylindric sample 12 lies in a horizontal plane in dress sample pipe, the measuring junction of sample 12 contacts with the sounding rod 10 of measuring deformation, the outer end of sounding rod 10 is displacement transducer 26, periphery at displacement sensor device arranges sealing mechanism, described sealing mechanism is arranged on the movable frame 22 of body of heater 14 outsides, and movable frame 22 1 sides are provided with the driving mechanism for driving movable frame 22.Above-mentioned closed structure is identical with embodiment 1, and difference, with driving mechanism, drive motor 1 not being set, by manual actuation, does not arrange leading screw 3, and is set to be provided with the polished rod of lockable mechanism.Manual actuation orienting lug a 5 moves horizontally with the polished rod that is provided with lockable mechanism along guide pole a 4, orienting lug a5 drives movable frame 22 and inner displacement transducer 26, conciliation mechanism thereof to move horizontally, the end of displacement transducer 26 is displacement transducer obturator 27, be at displacement transducer signal output part potting resin material, cut off inside and outside gas communication.
Key work:
1. water jacket 9 is arranged on Horizontal type body of heater 14, one end of dress sample pipe is connected with movable frame 22.Gently by orienting lug a 5 along guide pole a 4 and the polished rod that is provided with lockable mechanism to the outer movement of body of heater 14, orienting lug a 5 drives movable frame 22, dress sample pipe level to shift out water jacket 9, in dress sample pipe, places sample 12; Again to the interior mobile guide piece of body of heater 14 a 5, movable frame 22, load sample pipe and sample 12, until dress sample pipe and sample 12 are sent into the heating zone in body of heater 14.
2. twist adjusting screw(rod) 25, make displacement transducer 26 be in best position (as 2mm place).
3. slowly pass into protective gas to the airtight pipe in trial furnace termination.
4. the automatic heating system of starting characteristics test stove, measuring system records the experiment parameter such as deformation, working time of test temperature and sample 12 automatically, until predetermined target (temperature, deflection, time) finishes experiment.Automatic or manual printed report.
5. powered-down, continues ventilation, water flowing, until furnace temperature drops to after preset temperature, the gentle automatic or manual of water is closed.Experiment finishes.

Claims (5)

1. the dynamic airtight automatic deformation test macro of a hot test instrument, its trial furnace is the body of heater (14) of sealing, on body of heater (14), be provided with the air-breather and the vacuum extractor that pass into protective atmosphere, on body of heater (14), be also provided with the displacement sensor device for measuring deformation, its automatic deformation test macro comprises displacement transducer (26) and sounding rod (10), sounding rod (10) one end in contact samples (12), the other end is arranged on measuring unit (16), measuring unit (16) is connected with displacement transducer (26) by spring, it is characterized in that: outside measuring unit (16) outside and displacement transducer (26), sealing mechanism is set, described closure mechanism is arranged in the outside movable frame (22) of body of heater (14), movable frame (22) one sides are provided with the driving mechanism for driving movable frame (22).
2. the dynamic airtight automatic deformation test macro of hot test instrument according to claim 1, is characterized in that: described closure mechanism comprises sealing shroud (15), O-ring seal a(17), O-ring seal b(21), water jacket (9) and pressure cap (19); Described sealing shroud (15) is heat-resisting body, be arranged on the outside of measuring unit (16), its one end is provided with the perforate that can make sounding rod (10) move freely, the inside of its other end is provided with groove, O-ring seal b(21 is set in groove), displacement transducer (26) upper outside with sealing shroud (15) inwall by O-ring seal b(21) slide airtight connection; Described water jacket (9) is connected with body of heater (14), be arranged on the periphery of sealing shroud (15), between sealing shroud (15) and water jacket (9), O-ring seal a(17 is set), O-ring seal a(17) the outer pressure cap (19) that arranges, outside, sealing shroud (15) middle part is connected with movable frame (22).
3. the dynamic airtight automatic deformation test macro of hot test instrument according to claim 1, it is characterized in that: described driving mechanism comprises drive motor (1), leading screw (3), orienting lug a (5), guide pole (4) etc., its drive motor (1) is arranged on motor cabinet (2), drive motor (1) upper end connects leading screw (3), and the other end of leading screw (3) is by bearing (7), bearing seat (8) fixed frame (18); The through hole that orienting lug a (5) one middle side parts are provided with, through-hole wall is screw, screw and leading screw (3) composition lead screw pair, leading screw (3) is through orienting lug a (5); The opposite side of orienting lug a (5) is provided with pilot hole, and guide pole a (4) is installed in pilot hole, and the upper top of guide pole a (4) is fixed in frame (18) by holder; Described orienting lug a (5) one sides are connected with movable frame (22).
4. according to the dynamic airtight automatic deformation test macro sealing mechanism of the hot test instrument described in claims 1 to 3 any one, it is characterized in that: in described movable frame (22), be provided with an orienting lug b(24), orienting lug b(24) middle part is provided with through hole, the main body of displacement transducer (26) is through orienting lug b(24) through hole and fastening it, at orienting lug b(24) be provided with pilot hole in a side, guide pole b(23 is set in pilot hole), at orienting lug b(24) opposite side is provided with screw, in screw, be provided with adjusting screw(rod) (25), the outer end of adjusting screw(rod) (25) is knob.
5. according to the dynamic airtight automatic deformation test macro of the hot test instrument described in claims 1 to 3 any one, it is characterized in that: the end of described displacement transducer (26) is the displacement transducer obturator (27) of input, output electrical signals.
CN201420061393.2U 2014-02-10 2014-02-10 Dynamic airtight automatic deformation test system of high-temperature tester Withdrawn - After Issue CN203849115U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420061393.2U CN203849115U (en) 2014-02-10 2014-02-10 Dynamic airtight automatic deformation test system of high-temperature tester

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420061393.2U CN203849115U (en) 2014-02-10 2014-02-10 Dynamic airtight automatic deformation test system of high-temperature tester

Publications (1)

Publication Number Publication Date
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Application Number Title Priority Date Filing Date
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103760035A (en) * 2014-02-10 2014-04-30 中钢集团洛阳耐火材料研究院有限公司 Dynamic airtight automatic deformation test system of high-temperature tester
CN104390867A (en) * 2014-12-12 2015-03-04 中国石油天然气集团公司 Testing device and method for predicting thermal creep performance of metal material for thick oil thermal recovery sleeve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103760035A (en) * 2014-02-10 2014-04-30 中钢集团洛阳耐火材料研究院有限公司 Dynamic airtight automatic deformation test system of high-temperature tester
CN103760035B (en) * 2014-02-10 2015-12-30 中钢集团洛阳耐火材料研究院有限公司 A kind of automatic deformation test system of dynamic airtight of high-temperature tester
CN104390867A (en) * 2014-12-12 2015-03-04 中国石油天然气集团公司 Testing device and method for predicting thermal creep performance of metal material for thick oil thermal recovery sleeve

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Granted publication date: 20140924

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