CN107831189A - A kind of multi-functional quenching detection apparatus - Google Patents
A kind of multi-functional quenching detection apparatus Download PDFInfo
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- CN107831189A CN107831189A CN201710857062.8A CN201710857062A CN107831189A CN 107831189 A CN107831189 A CN 107831189A CN 201710857062 A CN201710857062 A CN 201710857062A CN 107831189 A CN107831189 A CN 107831189A
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- detection apparatus
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- cooler bin
- insulating supports
- quenching detection
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N25/00—Investigating or analyzing materials by the use of thermal means
- G01N25/20—Investigating or analyzing materials by the use of thermal means by investigating the development of heat, i.e. calorimetry, e.g. by measuring specific heat, by measuring thermal conductivity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/40—Investigating hardness or rebound hardness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
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- Pathology (AREA)
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The invention provides a kind of multi-functional quenching detection apparatus, described device include support, from top to bottom the tubular insulating supports and cooler bin located at the frame upper, through the cooler bin and with the shower of the concentric setting of the insulating supports；Heater and temperature thermocouple are provided with the insulating supports.Technical scheme provided by the invention, by sample in insulating supports, cooled down after heating, while the temperature change of sample diverse location in cooling procedure is measured by temperature thermocouple, and then obtain heat exchange coefficient；Cooling can also obtain the quenching degree of sample after terminating by successively peeling off cooling surface and carrying out hardness test；The present invention can simulate respectively and test liquid sprays plate surface, liquid and sprays heat exchange coefficient and the quenching degree that plate surface and surface are immersed in the case of three kinds of liquid from bottom to top from top to bottom；And it is ingenious in design, simple in construction, using convenient.
Description
Technical field
The present invention relates to a kind of parameter detection device for being used to quench, and in particular to a kind of multi-functional quenching detection apparatus.
Background technology
Extensively using cut deal aluminium alloy in the frameworks such as large aircraft, rocket.It is general to use at the heat such as immersion quenching
Science and engineering skill improves Metal Mechanic Property, improve the mechanical property of aluminium alloy of medium thickness sheet material with spray quenching.Spray quencher
Skill includes spraying cooling liquid to the high temperature sheet upper and lower surface after solution treatment, to improve the hardness of cut deal and tensile strength.
Immersion quenches and the sheet material cooling surface of spray quenching has differences with core cooldown rate, inevitably results in remaining answer
Power.For visual plants such as large aircraft and Aero-Space, the presence of residual stress can cause cut deal aluminium alloy machining deformation
The problems such as exceeded, and residual stress concentrations cause potential safety hazard.
With the development of finite element technique, the simulation of immersion quenching and the spray quenching of cut deal aluminium alloy is possibly realized,
Follow-up machining deformation and residual stress distribution can be predicted, and helps to propose the method for eliminating or being homogenized residual stress.
Heat exchange coefficient between liquid and aluminum alloy plate materials upper and lower surface, it is to restrict immersion quenching and the spray quenching of cut deal aluminium alloy
The key parameter of finite element modelling accuracy；And metal quenching degree is to evaluate the important indicator of quenching technical validity.Therefore, need
There is provided and a kind of be easy to the test spray quenching upper and lower surface and technical side of immersion hardened face heat exchange coefficient and quenching degree
Case.
The content of the invention
In view of the shortcomings of the prior art, the applicant devises a kind of multi-functional quenching detection apparatus, and the device can divide
Not Mo Ni and test liquid spray plate surface, liquid from top to bottom and spray plate surface and surface from bottom to top and immerse liquid
Heat exchange coefficient and quenching degree in the case of three kinds of body.
The goal of the invention of the present invention is realized by following technical proposals：
The invention provides a kind of multi-functional quenching detection apparatus, described device includes support, from top to bottom located at described
The tubular insulating supports part and cooler bin of frame upper, through the cooler bin and with the concentric setting of the insulating supports
Shower；Heater and temperature thermocouple are provided with the insulating supports.
Preferably, the insulating supports include the tubular lamination side between upper end bottom, lower end bottom, upper end bottom and lower end bottom
Wall；The lower end bottom is provided with the hole equal and concentric with the internal diameter of the side wall.
Preferably, the support includes column of the number more than 1 and the top plate located at the column top；The heat-insulated branch
The upper end bottom of support member is bonded and is fixedly connected with the top plate.
Preferably, the side wall of the insulating supports is externally provided with tubular heat-preservation cotton.
Preferably, the heater is the resistance heating circle being located between the lamination of the stack sidewall；The resistance
Heating collar is connected by extending radially through the wire of the side wall and the heat-preservation cotton with power supply.
Preferably, column sample is provided with the side wall and the specimen height is more than the height of the side wall；The examination
The upper surface of the cooler bin is run through in the lower end of sample.
Preferably, the temperature thermocouple radially inserts the sample and by extending radially through the side wall and the guarantor
The wire of warm cotton is connected with harvester.
Preferably, the cooler bin upper surface is provided with the through hole run through for the sample；The sample is in described heat-insulated
One end outside support member is arranged with heat insulation loop；The heat insulation loop lower end is concordant with the lower end of the sample.
Preferably, sealed between the heat insulation loop and the sample using high-temp glue；The heat insulation loop is led to the through hole
Cross threaded connection.
Preferably, the outer side of the heat insulation loop is provided with end cap；The internal diameter of the end cap is less than the external diameter of the heat insulation loop.
Preferably, the shower lower end is connected through the cooler bin lower surface and with water pressure gauge and flowmeter successively；
The shower is connected by pipe joint with cooling case lid lower surface, and shower is used with pipe joint and is threadedly coupled.
Preferably, the upper and lower surface of the cooler bin is respectively equipped with the flowing water mouth being connected with water pipe；The side of the cooler bin
Face is provided with opening.
Preferably, the cooler bin is made of lucite, and the cooler bin side is provided with graduated scale.
Preferably, the insulating supports and the heat insulation loop are respectively adopted ceramics and are made.
Compared with closest to prior art, the beneficial effects of the present invention are：
1st, technical scheme provided by the invention, by sample in insulating supports, cooled down after heating, while pass through survey
The temperature change of sample diverse location in warm thermocouple measurement cooling procedure, and then obtain heat exchange coefficient；Cooling is gone back after terminating
The quenching degree of sample can be obtained by successively peeling off cooling surface and carrying out hardness test；The present invention can simulate simultaneously respectively
Detection liquid sprays plate surface, liquid and sprays plate surface and surface immersion three kinds of feelings of liquid from bottom to top from top to bottom
The heat exchange coefficient and quenching degree of sample under condition；And it is ingenious in design, simple in construction, using convenient.
2nd, technical scheme provided by the invention, the double layer designs of insulating supports, heat-preservation cotton, heat insulation loop and end cap are set
Meter, the radiating of sample in resistance heating circle heating process is reduced, realizes 360 ° of INSULATION DESIGNs to sample, it can be ensured that quenching
The uniformity of before processing specimen temperature, and then ensure that the accuracy validity of test data.
3rd, technical scheme provided by the invention, graduated scale can be used for coordinate regulation spray head and sample end between away from
From adding flexibility and the accuracy of experiment.
Brief description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is multi-functional quenching assay platform schematic diagram；
Fig. 2 is multi-functional quenching assay platform internal structure schematic diagram；
Fig. 3 is multi-functional quenching assay platform section B-B schematic diagram；
Fig. 4 is multi-functional quenching assay platform C-C schematic cross-sections；
Fig. 5 is multi-functional quenching assay platform sample schematic diagram；
Fig. 6 is lower surface spray quenching heat exchange coefficient test schematic diagram；
Fig. 7 is upper surface spray quenching heat exchange coefficient test schematic diagram；
Fig. 8 is that immersion quenches heat exchange coefficient test schematic diagram.
In figure, 1- supports, 2- resistance heatings circle, 3- insulating supports, 4- trip bolts, 5- samples, 6- temperature thermocouples,
7- heat-preservation cottons, 8- columns, 9- heat insulation loops, 10- end caps, 11- cooler bins, 12- showers, 13- top plates, 14- cooler bins lower surface,
15- pipe joints, 16- water pressure gauges, 17- flowmeters, 18- water pipe A, 19- graduated scale, 20- water pipes B, 21- opening, 22- upper ends bottom,
23- lower ends bottom, 24- internal layer sidewalls, 25- outer layers side wall, 26- blind holes.
Embodiment
With reference to the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is carried out clear, complete
Ground describes.
As shown in Figures 1 to 5, the invention provides a kind of multi-functional quenching detection apparatus, described device include support 1,
From top to bottom located at the frame upper tubular insulating supports 3 and cooler bin 11, through the cooler bin 11 and with it is described
The shower 12 of 3 concentric setting of insulating supports；Heater and temperature thermocouple 6 are provided with the insulating supports 3.
The insulating supports 3 include the tubular internal layer between upper end bottom 22, lower end bottom 23, upper end bottom 22 and lower end bottom 23
Side wall 24 and tubular outer layer side wall 25；The lower end bottom 23 is provided with the hole equal and concentric with the internal diameter of the internal layer sidewall 24.
The support 1 includes column 8 of the number more than 1 and the top plate 13 located at the top of column 8；The heat insulation support
The upper end bottom 22 of part is bonded with the top plate 13 and is fixedly connected by trip bolt 4.
The lower end bottom 23 of the insulating supports is fixedly connected with the upper surface of the cooler bin 11 by trip bolt 4.
The outer layer side wall is externally provided with tubular heat-preservation cotton 7.
The heater is the resistance heating circle 2 being located between the internal layer sidewall and the outer layer side wall；The electricity
Resistance heating collar 2 is connected by extending radially through the wire of the outer layer side wall and the heat-preservation cotton 7 successively with power supply.
Column sample 5 is provided with the internal layer sidewall and the specimen height is more than the height of the side wall；The sample 5
Lower end run through the cooler bin 11 upper surface.
The temperature thermocouple 6 radially inserts the sample 5 and by extending radially through the internal layer sidewall, described successively
The wire of outer layer side wall and the heat-preservation cotton 7 is connected with harvester.
The cooler bin upper surface is provided with the through hole run through for the sample；It is provided between the sample 5 and the through hole
Heat insulation loop 9；The lower end of heat insulation loop 9 is concordant with the lower end of the sample 5.
Sealed between the heat insulation loop 9 and the sample 5 using high-temp glue；The heat insulation loop 9 passes through spiral shell with the through hole
Line connects.
The outside of heat insulation loop 9 is provided with end cap 10；The internal diameter of the end cap 10 is less than the external diameter of the heat insulation loop 9；The two
Between difference be 0.1~1mm, be so designed that when can install end cap, realize interference fit, improve the stable effect of installation
Fruit.
The lower end of shower 12 is through the cooler bin lower surface 14 and is connected successively with water pressure gauge 16 and flowmeter 17.
The shower 12 is connected by pipe joint 15 with cooling case lid lower surface 14, and shower 12 uses with pipe joint 15
Threaded connection, pass through swivel joint 15, the distance of the regulation end of shower 12 to the end of the sample 5.
The upper and lower surface of the cooler bin 11 is respectively equipped with flowing water mouth；The flowing water mouth of the upper surface is connected with water pipe A20,
The flowing water mouth of the lower surface is connected with water pipe B 18；
The side of the cooler bin is provided with opening 21, and hand is put in and end cap 10 is installed and taken by convenient use personnel
Under.
The cooler bin is made of lucite, and the cooler bin side is provided with graduated scale 19.
The insulating supports 3 and the heat insulation loop 9 are respectively adopted ceramics and are made.
Liquid is described in detail below sprays plate surface, liquid from top to bottom and spray plate surface, Yi Jibiao from bottom to top
The test process of heat exchange coefficient and quenching degree in the case of three kinds of liquid of face immersion：
(1) lower surface spray quenching heat exchange coefficient test, as shown in Figure 6.Temperature thermocouple 6 is respectively placed in column
In the blind hole 26 of the side of sample 5, confirm to be sealed blind hole 26 with high-temp glue after contact is good.The column sample 5 connected is put
Be placed in ceramic insulation support member 3, and its upper end bottom and the top plate are fixed with trip bolt 4 respectively, by lower end bottom with
The upper surface of the cooler bin 11 is fixed, and the gap between column sample 5 and ceramic insulation ring 9 is sealed using high-temp glue.Pass through
Pipe joint 15 adjusts the end of shower 12 to the distance of sample end face, using the reading numerical values of graduated scale 19.After distance adjustment terminates,
Heat-preservation cotton end cap 10 is fastened into the outside of ceramic insulation ring 9.Energization resistance heating circle 2 heats to sample, until temperature thermocouple
After temperature reaches default solid solution temperature, power-off stops heating and removing rapidly from the circular hole of the side of cooling box 11 guarantor
Warm cotton end cap 10.The hydraulic pressure of shower 12 is measured using water pressure gauge 16, the water-carrying capacity of shower 12, water pipe are measured using flowmeter 17
A18 is as delivery port, and water pipe B20 is as air inlet.The thermocouple of collection diverse location changes with time and difference, passes through one
Heat transfer formula is tieed up, solves and obtains lower surface spray quenching heat exchange coefficient.
(2) upper surfaces spray quenching heat exchange coefficient test, as shown in Figure 7.By 180 ° of placements of present invention rotation.Implement
Mode is similar to lower surface spray quenching heat exchange coefficient test, and temperature thermocouple 6 is fixed on into the side of aluminium alloy column sample 5
Blind hole 26 and be positioned in ceramic insulation support member 3, regulation the end of shower 12 arrive sample end distance, fastening heat-preservation cotton
End cap 10 is simultaneously heated to after testing design temperature, powers off and heat-preservation cotton end cap 10 is removed from the circular hole of the side of cooling box 11,
The hydraulic pressure of shower 12 is measured using water pressure gauge 16, the water-carrying capacity of shower 12 is measured using flowmeter 17, now water pipe A18 is used as
Gas port, water pipe B20 is as delivery port.The thermocouple of collection diverse location changes with time and difference, passes through One-dimensional heat transfer
Formula, solve and obtain upper surface spray quenching heat exchange coefficient.
(3) immersions quenching heat exchange coefficient test, as shown in Figure 8.Embodiment and upper surface spray quenching heat exchange
Coefficient test is similar, and temperature thermocouple 6 is fixed on into the blind hole 26 of the side of aluminium alloy column sample 5 and is positioned over ceramic insulation branch
In support member 3, fasten heat-preservation cotton end cap 10 and be simultaneously heated to powering off after testing design temperature, water pipe A18 is as water inlet to cooler bin
The water filling of body 11, water pipe B20 is as delivery port, after the water surface in cooling box 11 exceedes sample cooling end face, from cooling box 11
Heat-preservation cotton end cap 10 is removed in the circular hole of side and starts immersion quenching assay.The thermocouple of diverse location is gathered with the change of time
Change and difference, pass through One-dimensional heat transfer formula, solve and obtain immersion quenching heat exchange coefficient.
(4) quenching degree is assessed.Sample after Quenching Treatment, successively peel off cooling surface and hardness is carried out using hardometer
Test, according to firmness change, obtain the quenching degree that spray quenches or immersion quenches.
Finally it should be noted that：Described embodiment is only some embodiments of the present application, rather than whole realities
Example is applied, based on the embodiment in the application, what those skilled in the art were obtained on the premise of creative work is not made
All other embodiment, belong to the scope of the application protection.
Claims (14)
1. a kind of multi-functional quenching detection apparatus, it is characterised in that described device includes support, is located at the support from top to bottom
The tubular insulating supports part and cooler bin on top, through the cooler bin and with the spray of the concentric setting of the insulating supports
Shower pipe；Heater and temperature thermocouple are provided with the insulating supports.
2. a kind of multi-functional quenching detection apparatus according to claim 1, it is characterised in that the insulating supports include
Tubular stack sidewall between upper end bottom, lower end bottom, upper end bottom and lower end bottom；The lower end bottom is provided with the internal diameter with the side wall
Equal and concentric hole.
3. a kind of multi-functional quenching detection apparatus according to claim 2, it is characterised in that it is big that the support includes number
Column in 1 and the top plate located at the column top；The upper end bottom of the insulating supports is bonded and fixed with the top plate
Connection.
A kind of 4. multi-functional quenching detection apparatus according to claim 2, it is characterised in that the side of the insulating supports
Wall is externally provided with tubular heat-preservation cotton.
5. a kind of multi-functional quenching detection apparatus according to claim 4, it is characterised in that the heater is to be located at
Resistance heating circle between the lamination of the stack sidewall；The resistance heating circle is by extending radially through the side wall and the guarantor
The wire of warm cotton is connected with power supply.
6. a kind of multi-functional quenching detection apparatus according to claim 4, it is characterised in that be provided with column in the side wall
Sample and the specimen height are more than the height of the side wall；The upper surface of the cooler bin is run through in the lower end of the sample.
7. a kind of multi-functional quenching detection apparatus according to claim 6, it is characterised in that the temperature thermocouple is along footpath
It is connected to the insertion sample and the wire by extending radially through the side wall and the heat-preservation cotton with harvester.
8. a kind of multi-functional quenching detection apparatus according to claim 6, it is characterised in that the cooler bin upper surface is set
There is the through hole run through for the sample；One end that the sample is in outside the insulating supports is arranged with heat insulation loop；It is described every
Hot ring lower end is concordant with the lower end of the sample.
9. a kind of multi-functional quenching detection apparatus according to claim 8, it is characterised in that the heat insulation loop and the examination
Sealed between sample using high-temp glue；The heat insulation loop is connected through a screw thread with the through hole.
A kind of 10. multi-functional quenching detection apparatus according to claim 8, it is characterised in that the outer side of the heat insulation loop
Provided with end cap；The internal diameter of the end cap is less than the external diameter of the heat insulation loop.
11. a kind of multi-functional quenching detection apparatus according to claim 1, it is characterised in that the shower lower end is passed through
Wear the cooler bin lower surface and be connected successively with water pressure gauge and flowmeter；The shower is by pipe joint with cooling down under case lid
Surface is connected, and shower is used with pipe joint and is threadedly coupled.
12. a kind of multi-functional quenching detection apparatus according to claim 1, it is characterised in that above and below the cooler bin
Surface is respectively equipped with the flowing water mouth being connected with water pipe；The side of the cooler bin is provided with opening.
13. a kind of multi-functional quenching detection apparatus according to claim 1, it is characterised in that the cooler bin, which uses, to be had
Machine glass is made, and the cooler bin side is provided with graduated scale.
A kind of 14. multi-functional quenching detection apparatus according to claim 8, it is characterised in that the insulating supports and
The heat insulation loop is respectively adopted ceramics and is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857062.8A CN107831189A (en) | 2017-09-19 | 2017-09-19 | A kind of multi-functional quenching detection apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710857062.8A CN107831189A (en) | 2017-09-19 | 2017-09-19 | A kind of multi-functional quenching detection apparatus |
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| Publication Number | Publication Date |
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| CN107831189A true CN107831189A (en) | 2018-03-23 |
Family
ID=61643895
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|---|---|---|---|
| CN201710857062.8A Pending CN107831189A (en) | 2017-09-19 | 2017-09-19 | A kind of multi-functional quenching detection apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387534A (en) * | 2018-10-26 | 2019-02-26 | 西安建筑科技大学 | A kind of quenching liquid toxicity test device and method |
| CN110196261A (en) * | 2018-12-03 | 2019-09-03 | 内蒙合成化工研究所 | The test device and method of the outer heat insulation material Burning corrosion resistance energy of solid propellant rocket |
| CN113624631A (en) * | 2021-07-19 | 2021-11-09 | 江阴硅普搪瓷股份有限公司 | Glass lining layer temperature difference and sudden change resistance test device and test method thereof |
| CN114113212A (en) * | 2021-11-26 | 2022-03-01 | 中车大连机车车辆有限公司 | Thermal simulation device and workpiece internal temperature field thermal simulation method |
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| CN113624631A (en) * | 2021-07-19 | 2021-11-09 | 江阴硅普搪瓷股份有限公司 | Glass lining layer temperature difference and sudden change resistance test device and test method thereof |
| CN114113212A (en) * | 2021-11-26 | 2022-03-01 | 中车大连机车车辆有限公司 | Thermal simulation device and workpiece internal temperature field thermal simulation method |
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Application publication date: 20180323 |