CN101183060A - Apparatus for determining non-metallic material torque - Google Patents
Apparatus for determining non-metallic material torque Download PDFInfo
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- CN101183060A CN101183060A CNA2007100537986A CN200710053798A CN101183060A CN 101183060 A CN101183060 A CN 101183060A CN A2007100537986 A CNA2007100537986 A CN A2007100537986A CN 200710053798 A CN200710053798 A CN 200710053798A CN 101183060 A CN101183060 A CN 101183060A
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Abstract
The present invention relates to a device used for measuring the torquemoment of non-metallic materials. The proposal is as follows: an infrared radiation thermometer 15 is arranged outside a quartz window14 which arranged on one side of a water cooling sealing chamber 3. The receiving end of the infrared radiation thermometer 15 aims a test waiting sample 5. An output end is connected with a computer 2. A temperature control program in the computer 2 is connected with the control end of an induction furnace 7. A torsion moment machine 13 is arranged on one side of the water cooling sealing chamber 3. A torsion moment shaft 11 is connected with a water cooling live splint sample base 9 by a water cooling movable bearing 10. The two ends of the test waiting sample 5 are placed in the water cooling movable splint sample base 9 and a water cooling fixed splint sample base 4. The control end of the torquemoment machine 13 is connected with the computer. A carbon ring 6 and an induction coil 8 are arranged in concentric state outside the test sample to be tested 5. The induction coil 8 is connected with the output end of the induction furnace 7. The present invention is of simple structure, small heating device, high heating rate, high use temperature and little maintenance workload. The utility model is capable of testing the torquemoment of non-metallic material under air, vacuum and protective gas atmosphere.
Description
Technical field:
The invention belongs to the equipment of measuring the nonmetallic materials mechanical property.Be specifically related to a kind of equipment of measuring nonmetallic materials normal temperature or high temperature moment of torsion.
Background technology:
The normal temperature of nonmetallic materials, high temperature torsional performance are mechanical index of nonmetallic materials.To measure the torque value of material, as using electric furnace heating wire as heater, its heating rate is slow with traditional method heating material, and it is low to measure temperature; As doing heater with noble metal, as platinum wire, platinum rhodium band, cost an arm and a leg, probe temperature can improve, and heating rate is still very slow, and the noble metal heater very easily damages.Measure the material heating source as making of Globar or Si-Mo rod, because heating element structure, it is very big that firing equipment need be done.
The said equipment is owing to the reason of heater; can only under oxidizing atmosphere, work; can not under vacuum or protective gas atmosphere, work; therefore the high temperature torque apparatus of being made by above-mentioned heater element has limited the usable range of equipment, makes many materials of easy oxidation at high temperature or the material that need work under vacuum or protective gas atmosphere can't measure the high temperature torsional performance.
Summary of the invention:
The present invention is intended to address the above problem, purpose provide a kind of simple in structure, heating arrangement is little, heating rate is fast, serviceability temperature is high, maintenance workload is few, the equipment of the mensuration high temperature moment of torsion that also can work under vacuum or protective gas atmosphere simultaneously of working under air atmosphere.
For realizing above-mentioned task, the technical solution used in the present invention is: the side in the water cooled seal chamber is provided with quartz window, the outside of quartz window is provided with infrared thermometer, the receiving end of infrared thermometer is aimed at sample to be tested, the output terminal of infrared thermometer is connected with computing machine, temperature control program in the computing machine is connected with the control end of induction furnace, and vacuum extractor, source of the gas communicate with the inside of water cooled seal chamber respectively.
Side at water cooled seal chamber body is provided with torque machine, and the torque axis of torque machine connects with water-cooled live splint sample seat by the O-ring seal and the indoor water-cooled movable bearing support of water cooled seal of water cooled seal chamber; The two ends of sample to be tested are inserted water-cooled live splint sample seat and water-cooled geometrical clamp sample seat respectively and are clamped, and the control end of torque machine is connected with computing machine; The external concentric of sample to be tested is provided with graphite annulus, and concentric locking collar has inductive coil outside graphite annulus, and graphite annulus equates that with the axial length of inductive coil inductive coil is connected with the output terminal of induction furnace by the insulating washer of water cooled seal chamber.Wherein:
Described torque machine or be the electronic rider torque machine of mechanical type or for the electric torque machine; The wall thickness of described graphite annulus is 2～20mm, and the side in the middle part of the ring wall of graphite annulus has the circular hole that a diameter is 10～15mm; The length of graphite annulus is 1～2 times of the sample to be tested xsect length of side, and four jiaos of gaps with the graphite annulus inwall of sample to be tested are 1～5mm; The gap of graphite annulus and inductive coil is 2～10mm.
Described induction furnace or be intermediate frequency furnace or for the supersonic frequency (s.f.) induction furnace, power is 1～100KW, operating voltage is 380V, and heating rate is 1～150 ℃/minute, and heating-up temperature is room temperature～2000 ℃; The frequency of operation of intermediate frequency furnace is 200～2600HZ; The frequency of operation of supersonic frequency (s.f.) induction furnace is 10～45KHZ.
Using method of the present invention is: the mensuration of non-metallic material torque or at the air normal pressure and temperature or at the air constant-pressure and high-temperature or at high-temperature vacuum, or under high temperature protection atmosphere, carry out; Measure non-metallic material torque or under assigned temperature, measure or at given pre-moment of torsion and measuring under the assigned temperature or measuring at given pre-moment of torsion and after the time that insulation is set under the assigned temperature.
The process of measuring non-metallic material torque is: opens the water-cooled closed chamber earlier, in inductive coil, puts into graphite annulus, and the sample to be tested of in graphite annulus, packing into, water-cooled geometrical clamp sample seat and water-cooled live splint sample seat clamp sample to be tested respectively; Close the water cooled seal door of water cooled seal chamber again, open cooling water inlet pipe and cooling water outlet pipe; Start the temperature control program in the computing machine then, connect the power switch of induction furnace and infrared thermometer, heating rate with 5～120 ℃/minute heats sample to be tested, infrared thermometer monitoring temperature-rise period, when temperature reaches assigned temperature and temperature retention time, open computer-controlled torque machine and measure moment of torsion, record is also preserved measurement result, and the display that is connected with computing machine shows process and the result who measures.Wherein:
The source of the gas 16 of protective atmosphere is N
2, Ar, CO
2In the gas one or more; Vacuum is that the indoor surplus pressure of water cooled seal is less than 2500Pa.
Owing to adopt technique scheme; the present invention has simple in structure, the characteristics of the mensuration high temperature moment of torsion that heating arrangement is little, intensification degree speed is fast, serviceability temperature is high, maintenance workload is few, the while of working under air atmosphere also can work under vacuum or protective gas atmosphere.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 is the enlarged diagram of geometrical clamp sample seat among Fig. 1, sample, graphite heating ring, inductive coil, live splint sample seat.
Embodiment
The present invention is further illustrated below in conjunction with accompanying drawing
A kind of equipment of measuring non-metallic material torque, its structure is as shown in Figure 1: the side in water cooled seal chamber 3 is provided with quartz window 14, the outside of quartz window 14 is provided with infrared thermometer 15, the receiving end of infrared thermometer 15 is aimed at sample to be tested 5, the output terminal of infrared thermometer 15 is connected with computing machine 2, temperature control program in the computing machine 2 is connected with the control end of induction furnace 7, and vacuum extractor 17, source of the gas 16 communicate with the inside of water cooled seal chamber 3 respectively.
Side at water cooled seal chamber 3 casings is provided with torque machine 13, the torque axis 11 of torque machine 13 connects with water-cooled live splint sample seat 9 by the O-ring seal 12 of water cooled seal chamber 3 and the water-cooled movable bearing support 10 in the water cooled seal chamber 3, the two ends of sample to be tested 5 are inserted water-cooled live splint sample seat 9 and water-cooled geometrical clamp sample seat 4 respectively and are clamped, and the control end of torque machine 13 is connected with computing machine 2; The external concentric of sample to be tested 5 is provided with graphite annulus 6, and concentric locking collar has inductive coil 8 outside graphite annulus 6, and graphite annulus 6 equates that with the axial length of inductive coil 8 inductive coil 8 is connected with the output terminal of induction furnace 7 by the insulating washer of water cooled seal chamber 3.Wherein:
The wall thickness of graphite annulus 6 is 8～10mm, side in the middle part of the ring wall of graphite annulus 6 has the circular hole that a diameter is 10mm, the length of graphite annulus 6 is 1.2～1.5 times of the xsect length of side of sample to be tested 5, sample to be tested 5 is that rectangular parallelepiped, the material of 40 * 40 * 160mm is the magnesium carbonaceous, and four jiaos of gaps with graphite annulus 6 inwalls of this rectangular parallelepiped xsect are 2～4mm; Graphite annulus 6 is 3～5mm with the gap of inductive coil 8.
Described induction furnace 7 is an intermediate frequency furnace, and its power is that 30～50KW, frequency of operation are that 2000～2500HZ, operating voltage are that 380V, heating rate are that 10～120 ℃/minute, heating-up temperature are 1600 ℃.
The using method of present embodiment is: being determined under the high-temperature vacuum of non-metallic material torque carried out, and torque machine 13 is the electronic rider torque machine of mechanical type.To measure non-metallic material torque and be at given pre-moment of torsion be 1N.m, measure when assigned temperature is 1600 ℃.Its mensuration process is: opens the water cooled seal door of water-cooled closed chamber 3 earlier, in inductive coil 8, puts into graphite annulus 6, and the sample to be tested 5 of in graphite annulus 6, packing into, water-cooled geometrical clamp sample seat 4 and water-cooled live splint sample seat 9 clamp sample to be tested 5; Close the water cooled seal door of water cooled seal chamber 3 again, open vacuum extractor 17, be evacuated to water cooled seal chamber 3 interior surplus pressures, open cooling water inlet pipe and cooling water outlet pipe less than 2500Pa.Start the temperature control program in the computing machine 2 then, connect the power switch of induction furnace 7 and infrared thermometer 15, sample to be tested 5 is heated, infrared thermometer 15 monitoring temperature-rise periods with 10～50 ℃/minute heating rates.When temperature reaches 1600 ℃, to open the torque machine 13 of computing machine 2 controls and measure moment of torsion, record is also preserved measurement result, and the display 1 that is connected with computing machine 2 shows process and the result who measures.
A kind of equipment of measuring non-metallic material torque, its structure as shown in Figure 1.The using method of this equipment is: being determined under the air normal temperature of non-metallic material torque carried out, and sample to be tested 5 is that rectangular parallelepiped, the material of 40 * 40 * 160mm is clay matter.Its mensuration process is: open water-cooled closed chamber 3 earlier, water-cooled geometrical clamp sample seat 4 and water-cooled live splint sample seat 9 clamp sample to be tested 5.Open the electronic rider torque machine of mechanical type of computing machine 2 controls then and measure moment of torsion, computing machine 2 records are also preserved measurement result, and the display 1 that is connected with computing machine 2 shows process and the result who measures.Other are described with embodiment 1.
A kind of equipment of measuring non-metallic material torque, its structure as shown in Figure 1.The using method of present embodiment is: being determined under the protective atmosphere of non-metallic material torque carried out, and sample to be tested 5 is that rectangular parallelepiped, the material of 40 * 40 * 160mm is aluminium silicon carbide carbonaceous cast material.Measuring non-metallic material torque is to be 1N.m and to measure that at given pre-moment of torsion torque machine 13 is the electronic rider torque machine of mechanical type when being incubated 1 hour for 1450 ℃.Its mensuration process is: opens water-cooled closed chamber 3 earlier, in inductive coil 8, puts into graphite annulus 6, and the sample to be tested 5 of in graphite annulus 6, packing into, water-cooled geometrical clamp sample seat 4 and water-cooled live splint sample seat 9 clamp sample to be tested 5, the water cooled seal door of closing water cooled seal chamber 3 again.Be evacuated to surplus pressure in the water cooled seal chamber 3 less than 2500Pa, charge into protective atmosphere N
2, open cooling water inlet pipe and cooling water outlet pipe.Start the temperature control program in the computing machine 2 then, connect the power switch of induction furnace 7 and infrared thermometer 15, sample to be tested 5 is heated, infrared thermometer 15 monitoring temperature-rise periods with 10～50 ℃/minute heating rates.When temperature reached 1450 ℃ of insulations 1 hour the time, the torque machine 13 of opening computing machine 2 controls carries out the mensuration of moment of torsion, and measurement result also preserved in record, and the display 1 that is connected with computing machine 2 shows the process and the result of mensuration.
Wherein: the wall thickness of graphite annulus 6 is 5～8mm, and the side in the middle part of the ring wall of graphite annulus 6 has the circular hole that a diameter is 10mm, and the length of graphite annulus 6 is 1.2～1.5 times of the sample to be tested 5 xsect length of sides; Four jiaos of gaps with graphite annulus 6 inwalls of this rectangular parallelepiped xsect are 2～4mm; Graphite annulus 6 is 3～5mm with the gap of inductive coil 8; Induction furnace 7 is the supersonic frequency (s.f.) induction furnace, and its power is that 30～50KW, frequency of operation are that 25～35KHZ, operating voltage are 3g0V.Other are described with embodiment 1.
A kind of equipment of measuring non-metallic material torque, its structure as shown in Figure 1.The using method of present embodiment is: torque machine 13 is the electronic rider torque machine of mechanical type, and sample to be tested 5 is that rectangular parallelepiped, the material of 40 * 40 * 160mm is the magnesium carbonaceous, and non-metallic material torque is to measure under assigned temperature.Its mensuration process is: opens the water cooled seal door of cold closed chamber 3 earlier, in inductive coil 8, puts into graphite annulus 6, and the sample to be tested 5 of in graphite annulus 6, packing into, water-cooled geometrical clamp sample seat 4 and water-cooled live splint sample seat 9 clamp sample to be tested 5.Close the water cooled seal door of water cooled seal chamber 3 again, open cooling water inlet pipe and cooling water outlet pipe.Start the temperature control programming system in the computing machine 2 then, connect the power switch of induction furnace 7 and infrared thermometer 15, sample to be tested 5 is heated, infrared thermometer 15 monitoring temperature-rise periods with 10～50 ℃/minute heating rates.When temperature reached 1300 ℃, the torque machine of opening computing machine 2 controls carried out the mensuration of moment of torsion, and record is also preserved measurement result, and the display 1 that is connected with computing machine 2 shows process and the result who measures.
Wherein: described induction furnace 7 is an intermediate frequency furnace, and its power is that 30～50KW, frequency of operation are that 2000～2500HZ, operating voltage are that 380V, heating rate are that 10～50 ℃/minute, heating-up temperature are 1300 ℃.Other are described with embodiment 1.
Claims (9)
1. equipment of measuring non-metallic material torque, side in water cooled seal chamber 3 is provided with quartz window 14, the outside of quartz window 14 is provided with infrared thermometer 15, the receiving end of infrared thermometer 15 is aimed at sample to be tested 5, the output terminal of infrared thermometer 15 is connected with computing machine 2, temperature control program in the computing machine 2 is connected with the control end of induction furnace 7, vacuum extractor 17, source of the gas 16 communicates with the inside of water cooled seal chamber 3 respectively, it is characterized in that being provided with torque machine 13 in a side of water cooled seal chamber 3 casings, the torque axis 11 of torque machine 13 connects with water-cooled live splint sample seat 9 by the O-ring seal 12 of water cooled seal chamber 3 and the water-cooled movable bearing support 10 in the water cooled seal chamber 3, the two ends of sample to be tested 5 are inserted water-cooled live splint sample seat 9 and water-cooled geometrical clamp sample seat 4 respectively, and the control end of torque machine 13 is connected with computing machine 2; The external concentric of sample to be tested 5 is provided with graphite annulus 6, and concentric locking collar has inductive coil 8 outside graphite annulus 6, and graphite annulus 6 equates that with the axial length of inductive coil 8 inductive coil 8 is connected with the output terminal of induction furnace 7 by the insulating washer of water cooled seal chamber 3.
2. the equipment of mensuration non-metallic material torque according to claim 1 is characterized in that described torque machine 13 or for the electronic rider torque machine of mechanical type or for the electric torque machine.
3. the equipment of mensuration non-metallic material torque according to claim 1, the wall thickness that it is characterized in that described graphite annulus 6 is 2～20mm, the side in the middle part of the ring wall of graphite annulus 6 has the circular hole that a diameter is 10～15mm; The length of graphite annulus 6 is 1～2 times of the sample to be tested 5 xsect length of sides.
4. the equipment of mensuration non-metallic material torque according to claim 1 is characterized in that four jiaos of gaps with graphite annulus 6 inwalls of described sample to be tested 5 are 1～5mm; Graphite annulus 6 is 2～10mm with the gap of inductive coil 8.
5. the equipment of mensuration non-metallic material torque according to claim 1, it is characterized in that described induction furnace 7 or for intermediate frequency furnace or for the supersonic frequency (s.f.) induction furnace, power is 1～100KW, operating voltage is 380V, heating rate is 1～150 ℃/minute, and heating-up temperature is room temperature～2000 ℃; The frequency of operation of intermediate frequency furnace is 200～2600HZ; The frequency of operation of supersonic frequency (s.f.) induction furnace is 10～45KHZ.
6. equipment using method of measuring non-metallic material torque is characterized in that the mensuration of non-metallic material torque or carries out at the air normal pressure and temperature or at the air constant-pressure and high-temperature or at high-temperature vacuum or under high temperature protection atmosphere; Measure non-metallic material torque or under assigned temperature, measure or at given pre-moment of torsion and measuring under the assigned temperature or measuring at given pre-moment of torsion and after the time that insulation is set under the assigned temperature.
7. the equipment using method of non-metallic material torque according to claim 6, the process that it is characterized in that described mensuration non-metallic material torque is, open water-cooled closed chamber 3 earlier and in inductive coil 8, put into graphite annulus 6, the sample to be tested 5 of in graphite annulus 6, packing into, water-cooled geometrical clamp sample seat 4 and water-cooled live splint sample seat 9 clamp samples to be tested 5; Close the water cooled seal door of water cooled seal chamber 3 again, open cooling water inlet pipe and cooling water outlet pipe; Start the temperature control program in the computing machine 2 then, connect the power switch of induction furnace 7 and infrared thermometer 15, sample to be tested 5 is heated, infrared thermometer 15 monitoring temperature-rise periods with 5～120 ℃/minute heating rates; When temperature reaches assigned temperature and temperature retention time, to open the torque machine 13 of computing machine 2 controls and measure moment of torsion, record is also preserved measurement result, and the display 1 that is connected with computing machine 2 shows process and the result who measures.
8. the equipment using method of non-metallic material torque according to claim 6 is characterized in that the source of the gas 16 of described protective atmosphere is N
2, Ar, CO
2In the gas one or more.
9. the equipment using method of non-metallic material torque according to claim 6 is characterized in that described vacuum is that surplus pressure in the water cooled seal chamber 3 is less than 2500Pa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100537986A CN100573097C (en) | 2007-11-08 | 2007-11-08 | A kind of equipment of measuring non-metallic material torque |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100537986A CN100573097C (en) | 2007-11-08 | 2007-11-08 | A kind of equipment of measuring non-metallic material torque |
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| Publication Number | Publication Date |
|---|---|
| CN101183060A true CN101183060A (en) | 2008-05-21 |
| CN100573097C CN100573097C (en) | 2009-12-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100537986A Expired - Fee Related CN100573097C (en) | 2007-11-08 | 2007-11-08 | A kind of equipment of measuring non-metallic material torque |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487270A (en) * | 2013-09-18 | 2014-01-01 | 浙江工商大学 | Torsion experiment testing device under hot vacuum environment |
| CN103499406A (en) * | 2013-09-18 | 2014-01-08 | 浙江工商大学 | Perpendicularly-hung high-precision torque testing device in thermal vacuum environment |
| CN107607415A (en) * | 2017-08-30 | 2018-01-19 | 西京学院 | A kind of the torsion preparation facilities and its application method of difficult deformation gradient material |
-
2007
- 2007-11-08 CN CNB2007100537986A patent/CN100573097C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103487270A (en) * | 2013-09-18 | 2014-01-01 | 浙江工商大学 | Torsion experiment testing device under hot vacuum environment |
| CN103499406A (en) * | 2013-09-18 | 2014-01-08 | 浙江工商大学 | Perpendicularly-hung high-precision torque testing device in thermal vacuum environment |
| CN103499406B (en) * | 2013-09-18 | 2015-07-22 | 浙江工商大学 | Perpendicularly-hung high-precision torque testing device in thermal vacuum environment |
| CN103487270B (en) * | 2013-09-18 | 2015-10-28 | 浙江工商大学 | Torsion test proving installation under hot vacuum environment |
| CN107607415A (en) * | 2017-08-30 | 2018-01-19 | 西京学院 | A kind of the torsion preparation facilities and its application method of difficult deformation gradient material |
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| Publication number | Publication date |
|---|---|
| CN100573097C (en) | 2009-12-23 |
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Granted publication date: 20091223 Termination date: 20161108 |