CN207123169U - A kind of special heating furnace for fatigue at high temperature test - Google Patents
A kind of special heating furnace for fatigue at high temperature test Download PDFInfo
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- CN207123169U CN207123169U CN201721172181.1U CN201721172181U CN207123169U CN 207123169 U CN207123169 U CN 207123169U CN 201721172181 U CN201721172181 U CN 201721172181U CN 207123169 U CN207123169 U CN 207123169U
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- heater
- fatigue
- heating furnace
- high temperature
- support
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- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000010438 heat treatment Methods 0.000 title claims abstract description 23
- 239000011819 refractory material Substances 0.000 claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 10
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 claims abstract description 6
- 230000005619 thermoelectricity Effects 0.000 claims description 2
- 238000001816 cooling Methods 0.000 abstract description 4
- 239000007769 metal material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009661 fatigue test Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of heating furnace for fatigue at high temperature test is the utility model is related to, belongs to Metal Materials At High Temperature fatigue testing equipment technical field.Technical scheme is：Body of heater（1）Pass through support（2）It is fixed on switch board（3）On, the body of heater（1）Before be provided with fire door（6）, body of heater（1）Upper and lower end face be provided with the gateway that is engaged with high-temperature clamp, body of heater（1）Side be respectively equipped with thermometer hole and fire box temperature sensor, body of heater（1）Inside be followed successively by internal layer refractory material from the inside to the outside（9）, outer refractory（15）, nano thermal insulation layer（8）And shell（7）, internal layer refractory material（9）It is embedded with heat nickel chromium alloy resistive silk（12）, the support（2）It is provided with and body of heater（1）The adjustable track of cooperation（10）, the switch board（3）It is interior to be provided with temperature controller.The beneficial effects of the utility model are：It can match with fatigue tester, avoid the labyrinth, simple in construction of water cooling, operation is flexible.
Description
Technical field
A kind of heating furnace for fatigue at high temperature test is the utility model is related to, belongs to Metal Materials At High Temperature testing fatigue and sets
Standby technical field.
Background technology
Fatigue properties are to weigh the key technical indexes of metal material performance under working condition.Fatigue at high temperature conduct
A kind of form of environment testing fatigue, the fatigue behaviour under different temperatures environment for evaluating metal material.It is high in order to reach
The purpose that warm environment and testing fatigue are carried out simultaneously, ensure material be under stable hot environment carry out testing fatigue, it is necessary to
Special heating furnace is tested for one fatigue at high temperature of room temperature fatigue tester matching.At present, the height matched with high temperature fatigue testing machine
Warm heating furnace is typically all that MTS companies of the U.S. produce, and water-cooling structure is contained in heating furnace, and complex designing, manufacturing cost is high, if
Standby buying expenses is expensive.
Utility model content
The utility model purpose is to provide a kind of special heating furnace for fatigue at high temperature test, can be with fatigue tester
Match, simple in construction, manufacturing cost is low, solves problem present in background technology.
The technical solution of the utility model is：
A kind of special heating furnace for fatigue at high temperature test, comprising body of heater, support and switch board, body of heater is consolidated by support
It is scheduled on switch board, fire door is provided with before the body of heater, the upper and lower end face of body of heater is provided with the discrepancy being engaged with high-temperature clamp
Mouthful, the side of body of heater is respectively equipped with thermometer hole and fire box temperature sensor, and the inside of body of heater is followed successively by internal layer fire resisting from the inside to the outside
Material, outer refractory, nano thermal insulation layer and shell, internal layer refractory material is embedded with heat nickel chromium alloy resistive silk, described
Support is provided with the adjustable track coordinated with body of heater.
The body of heater is fixed on switch board by the adjustable track on support and support mobile link, support.
The thermometer hole of the body of heater side includes thermometer hole one and thermometer hole two, and heat is provided with thermometer hole one and thermometer hole two
Galvanic couple.
The signal input part connection of temperature controller in the signal output part and switch board of the thermocouple.
Fire door before the body of heater is opposite opened, and folding angle is 0-180 °.
The bottom of the switch board is provided with pulley.
Using the utility model, sample is fixed on by sample by clamp head of transferring first when doing fatique testing at elevated temperature
On the clamp body of testing machine.Then in the state of oven door opening, heating furnace is moved into place from the rear of testing machine, makes sample
It is in the partial-length of fixture adapter in body of heater.The relative position of sample and body of heater is carried out using the adjustable track of support
Adjustment, it is ensured that the gateway of body of heater upper and lower end face will not produce friction with switching clamp head.After installing, thermocouple wire can be used
Or K-type insertion-type thermocouple test sample surface temperature, and be monitored and controlled in real time by the temperature controller in switch board
In-furnace temperature and specimen temperature, and temperature adjustment is carried out according to feedback, it is met the requirement of fatigue test.
The beneficial effects of the utility model are：The nano thermal insulation layer that body of heater uses, effectively can prevent fire box temperature from being transferred to
Furnace shell surface, ensure that body of heater shell is room temperature state, avoid the labyrinth of water cooling；Body of heater resistive heater be uniformly embedded into
Refractory material, ensure the heating-up temperature uniformity in burner hearth；Body of heater, support and temperature control cabinet are integrally formed structure, can be overall
Mobile, body of heater can be by front and rear carry out position adjustment above and below the adjustable track on support, convenient experiment.It is simple in construction, it is fabricated to
This is low, and operation is flexible.
Brief description of the drawings
Fig. 1 is the utility model structure diagram；
Fig. 2 is the utility model furnace interior structural representation；
Fig. 3 is the utility model body of heater sectional view；
Fig. 4 is Fig. 3 side view；
Fig. 5 is the utility model supporting structure schematic diagram；
In figure：Body of heater 1, support 2, switch board 3, thermometer hole 1, thermometer hole 25, fire door 6, shell 7, nano thermal insulation layer 8,
It is internal layer refractory material 9, adjustable track 10, body of heater alignment pin 11, heat nickel chromium alloy resistive silk 12, door handle 13, pulley 14, outer
Layer refractory material 15.
Embodiment
Below in conjunction with accompanying drawing, by example, the utility model is described in further detail.
Referring to the drawings 1-5, a kind of special heating furnace for fatigue at high temperature test, body of heater 1, support 2 and switch board are included
3, body of heater 1 is fixed on switch board 3 by support 2, fire door 6 is provided with before the body of heater 1, the upper and lower end face of body of heater 1 is provided with
The gateway being engaged with high-temperature clamp, the side of body of heater 1 are respectively equipped with thermometer hole and fire box temperature sensor, body of heater 1 it is interior
Portion is followed successively by internal layer refractory material 9, outer refractory 15, nano thermal insulation layer 8 and shell 7, internal layer refractory material 9 from the inside to the outside
Heat nickel chromium alloy resistive silk 12 is embedded with, the support 2 is provided with the adjustable track 10 coordinated with body of heater 1.
In the present embodiment, body of heater 1 is opposite opened vertical tube furnace structure, and the folding angle of the fire door 6 before body of heater 1 is 0-
180 °, door handle 13 is set on fire door 6, facilitates body of heater folding, is easy to dress to materials.The right flank of body of heater 1 is provided with thermometer hole 1
With thermometer hole 25, thermometer hole 1 and thermometer hole 25 are respectively used to measure the temperature on middle part and top in the range of sample parallel-segment.
It is respectively internal layer refractory material 9, outer refractory 15, nano thermal insulation layer 8 and shell from the inside to the outside inside body of heater 3
7.Internal layer refractory material 9 is embedded in heat nickel chromium alloy resistive silk 12, and 1200 DEG C of heating-up temperature can be achieved.Two layers refractory material
The replacement and repair for being easy to refractory material is set, and nano thermal insulation layer 8 has 1500 DEG C of heat insulation and preservation effects, can effectively prevent burner hearth
Temperature is scattered and disappeared, and body of heater can be avoided to overheat, and therefore, can save traditional water cooling plant, makes the structure of heating furnace simple.Shell
7 use 304 stainless steels, durable.
The gateway that the upper and lower end face of body of heater 1 is engaged with high-temperature clamp is the fire door of body of heater 1, the furnace port diameter of body of heater 1
For Φ 32mm, furnace diameter is Φ 80mm, and burner hearth upper and lower end face is provided with 3mm thickness nano thermal insulations layer 8.
2 rectangular shape of support, both sides set four adjustable tracks 10 respectively, and the adjustable extent of adjustable track 10 is 7cm,
It can make body of heater is front and rear about 1 to carry out position adjustment, avoid fire door from being rubbed with switching clamp head, influence the measure of test force.
Temperature controller is provided with switch board 3, primarily serves the effect of control heating process and monitoring in-furnace temperature, can be with
The parameters such as heating-up temperature, firing rate are set, can also monitor in-furnace temperature and specimen temperature in real time, and temperature is carried out according to feedback
Degree regulation, while there is door opened i.e. automatic circuit break function.The bottom of switch board 3 is provided with 4 pulleys 14, and heating can be achieved
Stove moves integrally, convenient operation.
Switch board 3 also acts as plays counterweight to body of heater, avoids body of heater and is fixed on what is brought on test rack
It is inconvenient for operation.
The thermometer hole 1 and thermometer hole 25 of the right flank of body of heater 1, can be according to thermometric for installing sample thermocouple for measuring temperature
Demand selection uses, and K shape insertion-type thermocouples both can be used, it is possible to use thermocouple wire.
The signal output part of thermocouple is connected with the signal input part of the temperature controller in switch board 3, temperature control
The signal output part of device is connected with the current control device of the resistive heater of body of heater 1, can monitor and adjust in real time heating furnace
With the temperature of sample.Upper furnace position there are also installed thermocouple, for testing temperature in burner hearth.
When doing fatique testing at elevated temperature, can suitably transfer sample clamp head according to size of sample size selection, switching folder
Have first end in succession sample, the other end is connected on the clamp body of testing machine, and switching clamp head is made by high-temperature alloy.Sample
After connecting, in the state of the opening of fire door 6, heating furnace is moved into place from the rear of testing machine, turns sample and fixture
The partial-length of joint is in body of heater 1.The relative position of sample and body of heater 1 is adjusted using the adjustable track 10 of support 2
It is whole, it is ensured that fire door will not produce friction with switching clamp head.
After installing, thermocouple wire or K-type insertion-type thermocouple test sample surface temperature can be used, such as uses thermoelectricity
Thermo wires, thermocouple wire can be goed deep into by the thermometer hole 1 or thermometer hole 25 of the right flank of body of heater 1, be bundled in the parallel section of sample
Put, close fire door, open heating test process；According to K-type thermocouple, the position of thermocouple after fire door is closed, can be adjusted,
It is set to keep macro state, i.e. distance≤1mm between sample, then it is assumed that it is specimen surface temperature.Pass through the temperature in switch board 3
In-furnace temperature and specimen temperature is monitored and controlled in degree controller in real time, and carries out temperature adjustment according to feedback, meets it tired
The requirement of labor experiment.
Claims (6)
1. a kind of special heating furnace for fatigue at high temperature test, it is characterised in that include body of heater（1）, support（2）And switch board
（3）, body of heater（1）Pass through support（2）It is fixed on switch board（3）On, the body of heater（1）Before be provided with fire door（6）, body of heater（1）
Upper and lower end face be provided with the gateway that is engaged with high-temperature clamp, body of heater（1）Side be respectively equipped with thermometer hole and fire box temperature
Sensor, body of heater（1）Inside be followed successively by internal layer refractory material from the inside to the outside（9）, outer refractory（15）, nano thermal insulation layer
（8）And shell（7）, internal layer refractory material（9）It is embedded with heat nickel chromium alloy resistive silk（12）, the support（2）Be provided with
Body of heater（1）The adjustable track of cooperation（10）, the switch board（3）It is interior to be provided with temperature controller.
A kind of 2. special heating furnace for fatigue at high temperature test according to claim 1, it is characterised in that the body of heater
（1）Pass through support（2）On adjustable track（10）With support（2）Mobile link, support（2）It is fixed on switch board（3）On.
A kind of 3. special heating furnace for fatigue at high temperature test according to claim 1 or 2, it is characterised in that the stove
Body（1）The thermometer hole of side includes thermometer hole one（4）With thermometer hole two（5）, thermometer hole one（4）With thermometer hole two（5）Inside it is provided with
Thermocouple.
A kind of 4. special heating furnace for fatigue at high temperature test according to claim 3, it is characterised in that the thermoelectricity
Even signal output part and switch board（3）The signal input part connection of interior temperature controller.
A kind of 5. special heating furnace for fatigue at high temperature test according to claim 1 or 2, it is characterised in that the stove
Body（1）Fire door above（6）For opposite opened, folding angle is 0-180 °.
A kind of 6. special heating furnace for fatigue at high temperature test according to claim 1, it is characterised in that the control
Cabinet（3）Bottom be provided with pulley（14）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172181.1U CN207123169U (en) | 2017-09-13 | 2017-09-13 | A kind of special heating furnace for fatigue at high temperature test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721172181.1U CN207123169U (en) | 2017-09-13 | 2017-09-13 | A kind of special heating furnace for fatigue at high temperature test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207123169U true CN207123169U (en) | 2018-03-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721172181.1U Expired - Fee Related CN207123169U (en) | 2017-09-13 | 2017-09-13 | A kind of special heating furnace for fatigue at high temperature test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207123169U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798771A (en) * | 2019-01-31 | 2019-05-24 | 中国航发动力股份有限公司 | One kind testing heating device for aero-engine turbine disk low cycle fatigue life |
| CN112147007A (en) * | 2020-07-31 | 2020-12-29 | 天津中德应用技术大学 | High temperature fatigue test device |
-
2017
- 2017-09-13 CN CN201721172181.1U patent/CN207123169U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109798771A (en) * | 2019-01-31 | 2019-05-24 | 中国航发动力股份有限公司 | One kind testing heating device for aero-engine turbine disk low cycle fatigue life |
| CN112147007A (en) * | 2020-07-31 | 2020-12-29 | 天津中德应用技术大学 | High temperature fatigue test device |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180320 Termination date: 20210913 |