CN208488244U - Cold-and-heat resistent fatigue experimental device - Google Patents
Cold-and-heat resistent fatigue experimental device Download PDFInfo
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- CN208488244U CN208488244U CN201821151619.2U CN201821151619U CN208488244U CN 208488244 U CN208488244 U CN 208488244U CN 201821151619 U CN201821151619 U CN 201821151619U CN 208488244 U CN208488244 U CN 208488244U
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Abstract
Cold-and-heat resistent fatigue experimental device provided by the utility model, is related to fatigue experimental device field.The cold-and-heat resistent fatigue experimental device includes heating system, cooling system, specimen holder, electric-control system and lifting assembly.Specimen holder is connect with lifting assembly, and specimen holder drives sample rack moving into heating system or to be moved in cooling system for placing sample to be tested, lifting assembly, and electric-control system is connect with lifting assembly, for controlling the movement of lifting assembly.The cold-and-heat resistent fatigue experimental device structure is simple, and easy to operate, high degree of automation, temperature stability is good, reliable test result.
Description
Technical field
The utility model relates to fatigue experimental device fields, in particular to a kind of cold-and-heat resistent fatigue experimental device.
Background technique
In the prior art, automobile engine, military aviation turbogenerator, tjemplon combustion gas turbine etc. are used
High-temperature structural components, not only military service stress is big, and is often subject to cooling thermal impact.When in use, temperature would generally for this kind of material
It is brought rapidly up from 25 DEG C or so to 1100 DEG C or so, the temperature difference is up to 500 DEG C to 1000 DEG C in short-term, and the huge difference variation period is very
To being lower than ten seconds, the cold-heat fatigue property of high-temperature material is required under this operating condition very high.
Therefore, a kind of cold-and-heat resistent fatigue experimental device is designed and manufactured, for simulating high-temperature material in use environment
Fatigue conditions, the thermal fatigue resistance energy for grasping high-temperature material seem extremely important.
Utility model content
The purpose of this utility model includes providing a kind of cold-and-heat resistent fatigue experimental device, is existed for researching high-temperature structural material
Performance under huge temperature difference operating condition is conducive to the service life and safety that improve high-temperature structural material, cold-and-heat resistent fatigue examination
Experiment device is to the labor intensity of experimental implementation person less, it can be achieved that automation, continuous requirement of experiment.
The purpose of this utility model further includes providing another cold-and-heat resistent fatigue experimental device, is able to achieve sample to be tested in height
Simulated experiment in warm, low temperature alternation environment, obtains the thermal fatigue resistance energy of sample to be tested, easy to operate, and test is reliable
Degree is high, is of great significance for the service life and safety that improve high-temperature structural material.
It is that it is realized by adopting the following technical scheme that the utility model, which improves its technical problem,.
A kind of cold-and-heat resistent fatigue experimental device provided by the utility model, including heating system, cooling system, specimen holder,
Electric-control system and lifting assembly.
The specimen holder is connect with the lifting assembly, and the specimen holder is for placing sample to be tested, the lifting assembly
It drives the sample rack moving into the heating system or is moved in the cooling system, the electric-control system and the liter
Part of coming down to a lower group connection, for controlling the movement of the lifting assembly.
Further, the specimen holder includes sunpender, and one end of the sunpender is fixedly connected on the lifting assembly, institute
State the other end installation sample to be tested of sunpender.
Further, the sunpender uses nickel molybdenum filament.
Further, the heating system includes heating tube, and the axis of the axis of the heating tube and the sunpender is same
On one straight line.
Further, the heating tube uses resistance radiant heating.
Further, the cooling system is located at the lower section of the heating system, and the cooling system uses water cooling.
Further, the cooling system is located at the bottom 400mm to 500mm of the heating tube.
Further, the lifting assembly includes turbine, worm screw and traction piece, and the electric-control system and the turbine connect
It connects, drives the turbine rotation；The worm screw engages with the turbine, and the worm screw connect with the traction piece, the sample
Frame is mounted on the traction piece.
Further, further include air drying system, the air drying system be located at the heating system and the cooling system it
Between.
A kind of cold-and-heat resistent fatigue experimental device provided by the utility model, including heating system, cooling system, specimen holder,
Electric-control system and lifting assembly.
The specimen holder is connect with the lifting assembly, and the lifting assembly rises, and the sample rack moving adds to described
In hot systems, the lifting assembly decline, the sample rack moving is into the cooling system, the electric-control system and the liter
Part of coming down to a lower group connection, for controlling the movement of the lifting assembly.
The specimen holder is equipped with sample cell, and sample to be tested is mounted on the sample cell, the heating system, the sample
Product frame and the cooling system are set on same axis.
Cold-and-heat resistent fatigue experimental device provided by the utility model have the following aspects the utility model has the advantages that
Cold-and-heat resistent fatigue experimental device provided by the utility model, including it is heating system, cooling system, specimen holder, automatically controlled
System and lifting assembly.Specimen holder is connect with lifting assembly, and specimen holder drives specimen holder for placing sample to be tested, lifting assembly
It is moved in heating system or is moved in cooling system, be in sample to be tested constantly in the alternation environment of high temperature, low temperature, use
In the thermal fatigue resistance energy of test sample to be tested.Electric-control system is connect with lifting assembly, for controlling the movement of lifting assembly.
The cold-and-heat resistent fatigue experimental device structure is simple, and easy to operate, high degree of automation, operator's working strength is little, temperature
Stability is good, reliable test result, has great application value.
Cold-and-heat resistent fatigue experimental device provided by the utility model, including it is heating system, cooling system, specimen holder, automatically controlled
System and lifting assembly.Heating system, cooling system and specimen holder are located on same axis, and lifting assembly drives specimen holder to rise
Or decline, the environment temperature of sample to be tested can be changed, for simulating the actual condition of sample to be tested, test the anti-of sample to be tested
Cold-heat fatigue property.The cold-and-heat resistent fatigue experimental device is to the labor intensity of experimental implementation person less, it can be achieved that automating, continuous
Requirement of experiment, it is practical.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described, it should be understood that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is a kind of structural schematic diagram for the cold-and-heat resistent fatigue experimental device that the utility model specific embodiment provides；
Fig. 2 is that a kind of application scenarios structure for the cold-and-heat resistent fatigue experimental device that the utility model specific embodiment provides is shown
It is intended to；
Fig. 3 is the application scenarios of the cooling system for the cold-and-heat resistent fatigue experimental device that the utility model specific embodiment provides
Structural schematic diagram；
Fig. 4 is the application scenarios of the air drying system for the cold-and-heat resistent fatigue experimental device that the utility model specific embodiment provides
Structural schematic diagram.
Icon: 100- cold-and-heat resistent fatigue experimental device；101- sample to be tested；110- heating system；111- heating tube；120-
Cooling system；121- coolant liquid；130- air drying system；131- air-dries region；133- blower；140- specimen holder；141- sunpender；
150- lifting assembly；151- traction piece；160- electric-control system；161- driver；163- controller；170- test-bed.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
In the description of the present invention, it should be understood that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
The orientation or positional relationship that relationship or those skilled in the art usually understand is merely for convenience of description the utility model
It is described with simplifying, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with specific orientation structure
It makes and operates, therefore should not be understood as limiting the present invention.
" first " of the utility model, " second " etc., are only used to distinguish between description, and contain not special
Justice.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " installation " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can be specific
Situation understands the concrete meaning of above-mentioned term in the present invention.
First embodiment
Fig. 1 is a kind of structural schematic diagram for the cold-and-heat resistent fatigue experimental device 100 that the utility model specific embodiment provides,
Fig. 2 is a kind of application scenarios structural schematic diagram for the cold-and-heat resistent fatigue experimental device 100 that the utility model specific embodiment provides,
Please refer to Fig. 1 and Fig. 2.
A kind of cold-and-heat resistent fatigue experimental device 100 provided in this embodiment, including heating system 110, cooling system 120,
Air drying system 130, specimen holder 140, electric-control system 160 and lifting assembly 150.
Specimen holder 140 is connect with lifting assembly 150, and specimen holder 140 is for placing sample to be tested 101,150 band of lifting assembly
Dynamic specimen holder 140 is moved in heating system 110 or is moved in cooling system 120, electric-control system 160 and lifting assembly 150
Connection, for controlling the movement of lifting assembly 150.In the present embodiment, heating system 110, specimen holder 140 and cooling system
120 are located on same axis, and specimen holder 140 rises under the drive of lifting assembly 150, then sample to be tested 101 is in heating system
In system 110, hot environment is simulated.Decline when under drive of the specimen holder 140 in lifting assembly 150, then sample to be tested 101 is in cold
But in system 120, low temperature environment is simulated.It should be noted that sample to be tested 101 is high-temperature structural material in the present embodiment,
Such as: nickel base superalloy, cobalt base superalloy etc..High temperature and low temperature in text are opposite concept, for example, in the present embodiment
In, high temperature can be regarded as 800 DEG C to 1600 DEG C, and low temperature can be regarded as 10 DEG C to 40 DEG C.According to the survey of different samples to be tested 101
Examination requires, and the temperature threshold of high temperature and low temperature can be with flexible setting.
Specimen holder 140 includes sunpender 141, and one end of sunpender 141 is fixedly connected on lifting assembly 150, sunpender 141 it is another
One end is installed by sample to be tested 101.One end of sunpender 141 is equipped with hook, and sample to be tested 101 is fixed on sunpender 141 by hook
On, the other end of sunpender 141 is fixed on lifting assembly 150 by way of welding, riveting, clamping or threaded connection.It is preferred that
Ground, sunpender 141 is not limited to that certainly using nickel molybdenum filament, can also be other wires or ceramic bar resistant to high temperature etc..
Heating system 110 includes heating tube 111, the axis of the axis of heating tube 111 and sunpender 141 on the same line,
In order to which specimen holder 140 is when rising or falling, it can smoothly enter into heating tube 111, be rapidly heated.Moreover, because heating
The axis of the axis of pipe 111 and sunpender 141 is on the same line, it is only necessary to control specimen holder 140 straight up and down, lifting group
The control of part 150 operates simpler convenience.
Preferably, heating tube 111 uses resistance radiant heating.Temperature in heating tube 111 can reach 2000 DEG C or so.
Cooling system 120 is located at the lower section of heating system 110, and cooling system 120 uses water cooling.Specifically, cooling system
120 include container and the cooling medium that is placed in container, and when sample to be tested 101 needs cooling, specimen holder 140 declines, make to
Test specimens 101 are immersed in cooling medium.Preferably, cooling medium is pure water or tap water etc..
In the present embodiment, cooling system 120 is located at the bottom 400mm to 500mm of heating tube 111.
Lifting assembly 150 includes turbine, worm screw and traction piece 151, and electric-control system 160 includes driver 161 and controller
163, controller 163 can be computer, and driver 161 can be servo motor.Servo motor and controller 163 are electrically connected,
Servo motor is connect with turbine, drives turbine rotation.Worm screw engages with turbine, turbine rotation, drives worm screw to rise or fall, snail
Bar is connect with traction piece 151, and specimen holder 140 is mounted on traction piece 151.Optionally, controller 163 controls servo motor driving
Turbine rotates forward, that is, when rotating in an anti-clockwise direction, worm screw rises, and traction piece 151 rises together with worm screw, drives specimen holder 140
Rise, sample to be tested 101 is in heating tube 111.Controller 163 controls servo motor driving turbine reversion, i.e., square clockwise
To when rotation, worm screw decline, traction piece 151 declines together with worm screw, and specimen holder 140 is driven to decline, and sample to be tested 101 is in
In cooling system 120.
It should be noted that lifting assembly 150 may be used also in addition to realizing up and down using above-mentioned turbine and worm component
To be risen or fallen using realizations such as telescopic cylinder, feed screw nut's assembly, rack and pinion assembly or guide rail slide block components, here not
Make specific limit.
Air drying system 130 is between heating system 110 and cooling system 120.Preferably, air-dried region 131, which is located at, adds
The bottom 300mm to 400mm of heat pipe 111.The left side of the underface of the bottom of heating tube 111 is equipped with blower 133, and blower 133 is past
It air-dries region 131 to dry, achieve the purpose that air-dried.Certainly, blower 133 can be set to any side for air-drying region 131, be used for
Accelerate the air-flow for air-drying region 131 to flow, realizes and air-dry purpose.
Fig. 3 is answering for the cooling system 120 for the cold-and-heat resistent fatigue experimental device 100 that the utility model specific embodiment provides
With scene structural schematic diagram, Fig. 4 is the air-dried system for the cold-and-heat resistent fatigue experimental device 100 that the utility model specific embodiment provides
The application scenarios structural schematic diagram of system 130, referring to figure 3. and Fig. 4.
When test, the test period number that controller 163 sets sample to be tested 101 is first passed through, is placed on specimen holder 140
Sample to be tested 101, such as specimen holder 140 use nickel molybdenum filament, and one end is hung on the traction piece 151 of lifting assembly 150, the other end
It is fixedly connected with sample to be tested 101.Sample to be tested 101 is pulled up to the center uniform temperature zone of heating system 110 by specimen holder 140, goes forward side by side
Row heating and heat preservation, as shown in Figure 2.Then, sample to be tested 101 drawn rapidly by specimen holder 140 by 111 center of heating tube be down to it is cold
But in system 120, as shown in Figure 3.Cooling time can be adjusted setting by controller 163, this process is by 150 band of lifting assembly
Dynamic specimen holder 140 is mobile, and specific decrease speed can be set by controller 163.After sample to be tested 101 is cooling, by lifting group
Part 150 draws high the air-dried region 131 above cooling device, as shown in figure 4, and by blower 133 by the surface of sample to be tested 101
Water drying.After drying, sample to be tested 101 is pulled up to the uniform temperature zone of heating system 110 by specimen holder 140 again, so far completes
Cool-hot fatigue test period, and record number experimental period is carried out by controller 163.
Second embodiment
Another kind cold-and-heat resistent fatigue experimental device 100 provided in this embodiment, including heating system 110, cooling system
120, specimen holder 140, electric-control system 160 and lifting assembly 150.
Specimen holder 140 is connect with lifting assembly 150, and lifting assembly 150 rises, and specimen holder 140 is moved to heating system 110
In, lifting assembly 150 declines, and specimen holder 140 is moved in cooling system 120, and electric-control system 160 is connect with lifting assembly 150,
For controlling the movement of lifting assembly 150.
Optionally, specimen holder 140 is equipped with sample cell, and sample to be tested 101 is mounted on sample cell, heating system 110, sample
Product frame 140 and cooling system 120 are set on same axis.Electric-control system 160 includes controller 163 and driver 161, controller
163 connect with driver 161, and controller 163 can be computer.Driver 161 is connect with lifting assembly 150, drives driving
Component is mobile.Controller 163 can control up and down and movement speed, dwell time of lifting assembly 150 etc., improve
The degree of automation of cold-and-heat resistent fatigue experimental device 100.
Unmentioned other parts content in the present embodiment, and content system described in first embodiment, here no longer
It repeats.
Cold-and-heat resistent fatigue experimental device 100 provided by the utility model, installation process and working principle are as follows:
Cooling system 120, heating system 110 and lifting assembly 150 are installed on test-bed 170, heating system 110
Positioned at the surface of cooling system 120, specimen holder 140 is mounted on lifting assembly 150, electric-control system 160 and lifting assembly 150
Connection, for controlling the moving direction and movement speed of lifting assembly 150.Lifting assembly 150 rise, drive specimen holder 140 to
Sample to be tested 101 is placed in heating system 110 and heats by upper movement, and after heating, lifting assembly 150 declines, then will be to be measured
Sample 101 is placed in cooling system 120 cooling, and after cooling, lifting assembly 150 drives specimen holder 140 to rise certain distance, make to
Test specimens 101 are placed in air-dried region 131, and after air-drying, sample to be tested 101 is pulled up in heating system 110, primary to test
It completes.It repeats the above steps, carries out loop test test.
For example, first passing through test period number 10000 times of computer settings sample to be tested 101, sample to be tested 101 is pacified
Mounted in one end of nickel molybdenum filament, the other end of nickel molybdenum filament is suspended on the traction piece 151 of lifting assembly 150, with cooling system 120
Bottom end is base plane, and cooling system 120 is mounted on the table top of test-bed 170, the table top of base plane, that is, test-bed 170.
The centre distance base plane about 50mm of cooling system 120, the coolant liquid 121 in cooling system 120 are enough sample to be tested 101 is complete
Total flooding.The center for air-drying region 131 is located at about 200mm above base plane, and the center of heating tube 111 is located above base plane about
800mm, heating tube 111, air-dried region 131 and cooling system 120 are located along the same line, air-dry region 131 and be located at heating tube
111 underface, and it is located at the surface of cooling system 120.When sample to be tested 101 along straight line decline, from top to bottom can be successively
By 111 central area of heating tube, air-dry region 131, cooling system 120.
Sample to be tested 101 is mounted on specimen holder 140 at air-dried region 131, and is lifted into heating tube 111
The heating of heart district domain reaches after preset temperature and keeps the temperature 20 minutes.Specimen holder 140 drives sample to be tested 101 to be dropped rapidly to cooling
It in system 120, immerses in coolant liquid 121 and cools down rapidly, keep the temperature 1 minute.Specimen holder 140 drives sample to be tested 101 to air drying area
Domain 131 is dried up by blower 133.Air-dry time about 3 minutes, air-dry time can be with flexible setting, until sample to be tested 101 is complete
White drying.Specimen holder 140 drives sample to be tested 101 to be promoted to 111 central area of heating tube and is heated.So far, a test
Period finishes, and starts next cycle until 10000 tests terminate.
In conclusion cold-and-heat resistent fatigue experimental device 100 provided by the utility model has the beneficial of the following aspects
Effect:
Cold-and-heat resistent fatigue experimental device 100 provided by the utility model is moved sample to be tested 101 by lifting assembly 150
It moves to heating tube 111, coolant liquid 121, air-dry in region 131, and repeat loopy moving, carry out the cold-and-heat resistent of high-temperature structural material
Fatigue test obtains the thermal fatigue resistance energy of the high-temperature structural material, for improve high-temperature structural material service life and
Safety is of great significance.100 high degree of automation of cold-and-heat resistent fatigue experimental device, simple to operate, structure is opposite
Simply, at low cost, test reliability is high, and temperature stability is good, and 101 cooling velocity of sample to be tested is fast, and technical effect is excellent.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, the utility model can have various changes, combination and variation.It is all the utility model spirit and
Within principle, any modification, equivalent replacement, improvement and so on be should be included within the scope of protection of this utility model.
Claims (10)
1. a kind of cold-and-heat resistent fatigue experimental device, which is characterized in that including heating system, cooling system, specimen holder, electric-control system
And lifting assembly；
The specimen holder is connect with the lifting assembly, and the specimen holder drives for placing sample to be tested, the lifting assembly
The sample rack moving is into the heating system or is moved in the cooling system, the electric-control system and the lifting group
Part connection, for controlling the movement of the lifting assembly.
2. cold-and-heat resistent fatigue experimental device according to claim 1, which is characterized in that the specimen holder includes sunpender, institute
The one end for stating sunpender is fixedly connected on the lifting assembly, and the other end of the sunpender installs sample to be tested.
3. cold-and-heat resistent fatigue experimental device according to claim 2, which is characterized in that the sunpender uses nickel molybdenum filament.
4. cold-and-heat resistent fatigue experimental device according to claim 2, which is characterized in that the heating system includes heating
The axis of pipe, the axis of the heating tube and the sunpender is on the same line.
5. cold-and-heat resistent fatigue experimental device according to claim 4, which is characterized in that the heating tube is radiated using resistance
Heating.
6. cold-and-heat resistent fatigue experimental device according to claim 4, which is characterized in that the cooling system is located at described add
The lower section of hot systems, the cooling system use water cooling.
7. cold-and-heat resistent fatigue experimental device according to claim 6, which is characterized in that the cooling system is located at described add
The bottom 400mm to 500mm of heat pipe.
8. cold-and-heat resistent fatigue experimental device according to claim 1, which is characterized in that the lifting assembly include turbine,
Worm screw and traction piece, the electric-control system are connect with the turbine, drive the turbine rotation；The worm screw nibbles with the turbine
It closes, the worm screw connect with the traction piece, and the specimen holder is mounted on the traction piece.
9. cold-and-heat resistent fatigue experimental device according to claim 1, which is characterized in that it further include air drying system, the wind
Dry systems are between the heating system and the cooling system.
10. a kind of cold-and-heat resistent fatigue experimental device, which is characterized in that including heating system, cooling system, specimen holder, automatically controlled system
System and lifting assembly；
The specimen holder is connect with the lifting assembly, and the lifting assembly rises, and the sample rack moving to the heating is
In system, the lifting assembly decline, the sample rack moving is into the cooling system, the electric-control system and the lifting group
Part connection, for controlling the movement of the lifting assembly；
The specimen holder is equipped with sample cell, and sample to be tested is mounted on the sample cell, the heating system, the specimen holder
It is set on same axis with the cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151619.2U CN208488244U (en) | 2018-07-19 | 2018-07-19 | Cold-and-heat resistent fatigue experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821151619.2U CN208488244U (en) | 2018-07-19 | 2018-07-19 | Cold-and-heat resistent fatigue experimental device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208488244U true CN208488244U (en) | 2019-02-12 |
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ID=65246687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821151619.2U Active CN208488244U (en) | 2018-07-19 | 2018-07-19 | Cold-and-heat resistent fatigue experimental device |
Country Status (1)
| Country | Link |
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| CN (1) | CN208488244U (en) |
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2018
- 2018-07-19 CN CN201821151619.2U patent/CN208488244U/en active Active
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