CN207557014U - Stretching device under a kind of low temperature environment - Google Patents
Stretching device under a kind of low temperature environment Download PDFInfo
- Publication number
- CN207557014U CN207557014U CN201721124152.8U CN201721124152U CN207557014U CN 207557014 U CN207557014 U CN 207557014U CN 201721124152 U CN201721124152 U CN 201721124152U CN 207557014 U CN207557014 U CN 207557014U
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- CN
- China
- Prior art keywords
- low temperature
- device under
- temperature environment
- stretching device
- incubator
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 238000004321 preservation Methods 0.000 claims description 10
- 239000007788 liquid Substances 0.000 claims description 9
- 229910052757 nitrogen Inorganic materials 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000009413 insulation Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 3
- 238000005538 encapsulation Methods 0.000 claims description 3
- 238000007747 plating Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 9
- 238000002474 experimental method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 abstract description 2
- 238000004088 simulation Methods 0.000 abstract description 2
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical compound [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 description 4
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- PASHVRUKOFIRIK-UHFFFAOYSA-L calcium sulfate dihydrate Chemical compound O.O.[Ca+2].[O-]S([O-])(=O)=O PASHVRUKOFIRIK-UHFFFAOYSA-L 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000010459 dolomite Substances 0.000 description 2
- 229910000514 dolomite Inorganic materials 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000010881 fly ash Substances 0.000 description 2
- 239000004088 foaming agent Substances 0.000 description 2
- 229910001629 magnesium chloride Inorganic materials 0.000 description 2
- 239000000395 magnesium oxide Substances 0.000 description 2
- 239000010451 perlite Substances 0.000 description 2
- 235000019362 perlite Nutrition 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model provides stretching device under a kind of low temperature environment, and described device includes stretching assembly and control system, and the stretching assembly is the upright stretching machine structure being connect with cold temperature source；The mechanism includes incubator, stretch rod, supporting rack and driving device；The cold temperature source is connect with the incubator.Technical solution provided by the utility model, cold temperature source conveys refrigerant into incubator, the low temperature of test request can be progressivelyed reach in incubator, the low temperature of effective simulation detected materials actual application environment, the parameters of material at low ambient temperatures are measured by stretching experiment, it ensure that the accuracy and validity of parameters, the application for material provides reference；And it is rational in infrastructure, installation is simple.
Description
Technical field
The utility model is related to a kind of stretching devices, and in particular to stretching device under a kind of low temperature environment.
Background technology
China is vast in territory, and part electric power pylon is located at the relatively low region of temperature, and low temperature can increase steel brittleness, custom
It is upper to be known as brittle fracture under low temperature；Low temperature environment influences the impact property of steel also very big, the electric power pylon steel brittleness thereby resulted in
Fracture accident occurs repeatedly, and causes serious harm；Electric power pylon steel construction low-temperature flexibility gradually attracts people's attention.
The intensity index and plasticity index of reaction material toughness need to be measured by stretching experiment.Material is in low temperature ring
Performance test under border then needs to simulate low temperature, and existing method is mostly to place tensile sample to keep certain at low ambient temperatures
Time, after the temperature of tensile sample reaches test temperature, by sample quickly from low temperature environment take out be placed on experimental machine
It is tested on structure, since in room temperature with air heat exchange can occur for the sample after cooling, so as to which specimen temperature has slightly
It improves, and then influences the accuracy of result of the test.
Utility model content
In view of the deficiencies of the prior art, the applicant devises stretching device under a kind of low temperature environment, which will
In the core setting of experiment and insulating box, the lab space residing for the detected materials can to the greatest extent simulate in fact
The low temperature environment of border application can ensure that measured data are accurate.
The purpose of utility model of the utility model is achieved through the following technical solutions：
The utility model provides stretching device under a kind of low temperature environment, and described device includes stretching assembly and control is
System, the stretching assembly is the upright stretching machine structure being connect with cold temperature source；The mechanism includes incubator, stretch rod, supporting rack
And driving device；The cold temperature source is connect with the incubator.
Preferably, the incubator includes heat preservation zone and drawing zone；The drawing zone sets the stretch rod；The low temperature
The pipeline that source is connect with the drawing zone is equipped with motor-operated control valve.
Preferably, the drawing zone of the incubator is equipped with timer and sensor；The sensor and the Electronic control
Valve communication connection.
Preferably, support frame as described above include the column that is connect respectively with the heat preservation zone upper and lower surface and with the column
The pedestal that the other end is fixedly connected.
Preferably, the stretch rod include concentric setting through the fixed link of the drawing zone lower surface and through institute
State the motion bar of drawing zone upper surface；The fixed link upper end and the motion bar lower end are respectively equipped with can be radially from by stretching
Lower collet and upper grip.
Preferably, the sensor includes temperature sensor, force snesor and changing sensor.
Preferably, the lower end of the fixed link is fixedly connected with the lower pedestal.
Preferably, the upper end of the motion bar is connect with being fixedly connected on the driving device of upper pedestal.
Preferably, the upper and lower surface of the drawing zone be respectively equipped with for the fixed link and the motion bar by it is logical
Encapsulation process is done in hole between lower through-hole and the fixed link；The edge of upper through-hole is equipped with the folding cotton of annular.
Preferably, the cold temperature source is liquid nitrogen container；Air gauge and valve are equipped at the top of the liquid nitrogen container；The liquid nitrogen container side
Face is equipped with gas outlet, and the gas outlet is equipped with switch.
Preferably, the plank of the incubator includes lamina rara externa, thermal insulation board, inner plating is arranged in parallel successively from outside to inside.
Preferably, the thermal insulation board includes following components as mass fraction：
100~150 parts of magnesium chloride solutions, 45~55 magnesia powders, 45~55 fillers, 4~8 foaming agents；
The filler is selected from flyash, dolomite dust, Paris white, land plaster, perlite, red mud, lake sludge, river
It is husky, one or more in gangue.
Preferably, the upper grip includes following components as mass fraction：
C：0.3 part~2 parts；N：1 part~3 parts, In：0.5 part~1 part of element, Pd：0.02 part~0.1 part, Zr：0.1 part~
1 part, Ir：0.5 part~1.5 parts, Rh：0.2 part~2 parts, Fe：30 parts~50 parts.
Preferably, the lower collet includes following components as mass fraction：
C：0.8 part~1.8 parts；N：2 parts~2.5 parts, In：1.5 parts~2 parts, Pd：0.12 part~0.15 part, Zr：0.4 part
~0.8 part, Ir：0.8 part~1.5 parts, Rh：0.2 part~2 parts, Fe：30 parts~50 parts.
Compared with closest to the prior art, the utility model has following advantageous effect：
1st, technical solution provided by the utility model completes sample at low ambient temperatures by the coordination control of control system
Stretching：Cold temperature source conveys refrigerant into the drawing zone of incubator, and the low of test request can be progressivelyed reach in drawing zone
Temperature, the temperature of effective simulation material actual application environment by stretching experiment, measure the every ginseng of material at low ambient temperatures
Number, ensure that the accuracy and validity of parameters, the application for material provides reference；And the experimental provision structure is closed
Reason, installation are simple；And control system has both preservation function, and test data is stored in disk, for dividing again for test data
Analysis, the management of database and network transmission provide a convenient.
2nd, technical solution provided by the utility model is controlled the up and down motion of motion bar by driving device, can realized
Power, displacement and the closed-loop control of sample deformation amount, constant force, permanent displacement and constant strain control, and can between various control models
It is taken over seamlessly with realizing.
3rd, technical solution provided by the utility model sets drawing zone and heat preservation zone in incubator, reduces low temperature space,
Save temperature-reducing medium；And avoid drawing zone and be in direct contact with external environment, temperature stability greatly improves.
4th, technical solution provided by the utility model, sensor include force snesor, temperature sensor and changing sensor；
One side temperature sensor and motor-operated control valve cooperation control temperature, temperature is constantly monitored, is constantly corrected, temperature stability into
One step improves；Another aspect force snesor and changing sensor in real time can accurately control the various parameters in test process
System, substantially reduces the testing time, reduces cost.
5th, technology incidence of criminal offenses provided by the utility model, the layer structure of the plank of incubator and the material of intermediate insulating layer
Design ensures that entire test process is under a kind of controllable low temperature conditions and carries out.
6th, the material of technology incidence of criminal offenses provided by the utility model, upper grip and lower collet can ensure to consolidate sample to be tested
Fixed and stretching, and service life can be greatly prolonged.
Description of the drawings
The utility model is described in further detail below in conjunction with the accompanying drawings：
Fig. 1：Experimental provision structure diagram provided by the utility model
Reference numeral：Pedestal under 1- cold temperature sources, 2- conduits, 3- incubators, 4- upper pillar stands, 5- lower pillar stands, the upper pedestals of 6-, 7-,
Collet under 8- fixed links, 9- motion bars, 10- upper grips, 11-, 12- driving devices, 13- planks, 14- air gauges, 15- valves,
16- switches, 17- motor-operated control valves.
Specific embodiment
With reference to the attached drawing in the embodiment of the present application, the technical solution in the embodiment of the present application is carried out clear, complete
Ground describes.
As shown in Figure 1, the utility model provides stretching device under a kind of low temperature environment, described device includes stretching assembly
And control system, the stretching assembly are the vertical stretching assembly being connect with cold temperature source 1；The component includes incubator 3, stretches
Bar and supporting rack；The cold temperature source 1 is connect with the incubator 3.
The incubator 3 includes the heat preservation zone of both sides and intermediate drawing zone；The stretch rod is located at the drawing zone；Institute
It states the pipeline that cold temperature source 1 is connect with the drawing zone and is equipped with motor-operated control valve 17.
The drawing zone of the incubator 3 is equipped with timer and sensor；The sensor is logical with the motor-operated control valve 17
News connection.
The sensor includes temperature sensor, force snesor, changing sensor.
Support frame as described above includes the upper pillar stand 4 being connect respectively with the heat preservation zone upper surface and the heat preservation zone lower surface
It the lower pillar stand 5 of connection, the upper pedestal 6 being fixedly connected with 4 upper end of upper pillar stand and is fixedly connected with the lower end of the lower pillar stand 5
Lower pedestal 7.
The stretch rod includes the fixed link 8 through the drawing zone lower surface, the work through the drawing zone upper surface
Lever 9；8 upper end of fixed link and 9 lower end of the motion bar are respectively equipped with can be radially from by flexible lower collet 11 and upper grip
10。
The axle center of the fixed link 8 and the motion bar 9 is point-blank.
The lower end of the fixed link 8 is fixedly connected with the lower pedestal 7.
The upper end of the motion bar 9 is connect with being fixedly connected on the driving device 12 of upper pedestal 6.
The upper and lower surface of the drawing zone be respectively equipped with for the fixed link and the motion bar by through-hole, lower through-hole
Encapsulation process is done between the fixed link；The edge of upper through-hole is equipped with the folding cotton of annular.
The cold temperature source 1 is liquid nitrogen container；Air gauge 14 and valve 15 are equipped at the top of the liquid nitrogen container；The liquid nitrogen container side
Equipped with gas outlet, the gas outlet is equipped with switch 16.
The plank 13 of the incubator includes lamina rara externa, thermal insulation board, inner plating is arranged in parallel successively from outside to inside.
The thermal insulation board includes following components as mass fraction：
100~150 parts of magnesium chloride solutions, 45~55 magnesia powders, 45~55 fillers, 4~8 foaming agents；
The filler is selected from flyash, dolomite dust, Paris white, land plaster, perlite, red mud, lake sludge, river
It is husky, one or more in gangue.
The upper grip 10 includes following components as mass fraction：
C：0.3 part~2 parts；N：1 part~3 parts, In：0.5 part~1 part of element, Pd：0.02 part~0.1 part, Zr：0.1 part~
1 part, Ir：0.5 part~1.5 parts, Rh：0.2 part~2 parts, Fe：30 parts~50 parts.
The lower collet 11 includes following components as mass fraction：
C：0.8 part~1.8 parts；N：2 parts~2.5 parts, In：1.5 parts~2 parts, Pd：0.12 part~0.15 part, Zr：0.4 part
~0.8 part, Ir：0.8 part~1.5 parts, Rh：0.2 part~2 parts, Fe：30 parts~50 parts.
Finally it should be noted that：Described embodiment is only the reality of some embodiments of the present application rather than whole
Example is applied, based on the embodiment in the application, what those skilled in the art were obtained under the premise of creative work is not made
All other embodiment, shall fall in the protection scope of this application.
Claims (11)
1. stretching device under a kind of low temperature environment, described device includes stretching assembly and control system, which is characterized in that the drawing
It is the upright stretching machine structure being connect with cold temperature source to stretch component；The mechanism includes incubator, stretch rod, supporting rack and driving dress
It puts；The cold temperature source is connect with the incubator.
2. stretching device under a kind of low temperature environment according to claim 1, which is characterized in that the incubator includes heat preservation
Area and drawing zone；The drawing zone sets the stretch rod；The pipeline that the cold temperature source is connect with the drawing zone is equipped with electricity
Dynamic control valve.
3. stretching device under a kind of low temperature environment according to claim 2, which is characterized in that the drawing zone of the incubator
Equipped with timer and sensor；The sensor is connected with motor-operated control valve communication.
4. stretching device under a kind of low temperature environment according to claim 2, which is characterized in that support frame as described above includes and institute
The upper pillar stand for stating the connection of heat preservation zone upper surface, the upper pedestal being connect with the upper pillar stand upper end connect with the heat preservation zone lower surface
The lower pillar stand connect and the lower pedestal being connect with the lower pillar stand lower end.
5. stretching device under a kind of low temperature environment according to claim 4, which is characterized in that the stretch rod includes coaxial
The fixed link through the drawing zone lower surface of heart setting and the motion bar through the drawing zone upper surface；The fixed link
Upper end and the motion bar lower end are respectively equipped with can be radially from by flexible lower collet and upper grip.
6. stretching device under a kind of low temperature environment according to claim 3, which is characterized in that the sensor includes temperature
Sensor, force snesor and changing sensor.
7. stretching device under a kind of low temperature environment according to claim 5, which is characterized in that the lower end of the fixed link with
The lower pedestal is fixedly connected.
8. stretching device under a kind of low temperature environment according to claim 5, which is characterized in that the upper end of the motion bar with
It is fixedly connected on the driving device connection of pedestal.
9. stretching device under a kind of low temperature environment according to claim 5, which is characterized in that the upper following table of the drawing zone
Face be respectively equipped with for the fixed link and the motion bar by through-hole, do encapsulation process between lower through-hole and the fixed link；
The edge of upper through-hole is equipped with the folding cotton of annular.
10. stretching device under a kind of low temperature environment according to claim 1, which is characterized in that the cold temperature source is liquid nitrogen
Tank；Air gauge and valve are equipped at the top of the liquid nitrogen container；The liquid nitrogen container side is equipped with gas outlet, and the gas outlet is equipped with and opens
It closes.
11. stretching device under a kind of low temperature environment according to claim 2, which is characterized in that the plank of the incubator
Including lamina rara externa, thermal insulation board, inner plating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124152.8U CN207557014U (en) | 2017-09-04 | 2017-09-04 | Stretching device under a kind of low temperature environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124152.8U CN207557014U (en) | 2017-09-04 | 2017-09-04 | Stretching device under a kind of low temperature environment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207557014U true CN207557014U (en) | 2018-06-29 |
Family
ID=62676048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721124152.8U Active CN207557014U (en) | 2017-09-04 | 2017-09-04 | Stretching device under a kind of low temperature environment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207557014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530105A (en) * | 2019-08-28 | 2019-12-03 | 沈阳航空航天大学 | A kind of quick cooling device for cryogenic tensile process |
-
2017
- 2017-09-04 CN CN201721124152.8U patent/CN207557014U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110530105A (en) * | 2019-08-28 | 2019-12-03 | 沈阳航空航天大学 | A kind of quick cooling device for cryogenic tensile process |
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| GR01 | Patent grant |