CN203744717U - Sample heating device for low-frequency internal friction measurement - Google Patents
Sample heating device for low-frequency internal friction measurement Download PDFInfo
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- CN203744717U CN203744717U CN201320889746.3U CN201320889746U CN203744717U CN 203744717 U CN203744717 U CN 203744717U CN 201320889746 U CN201320889746 U CN 201320889746U CN 203744717 U CN203744717 U CN 203744717U
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- heating device
- heater
- binding post
- sample
- internal friction
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Abstract
The utility model provides a sample heating device for low-frequency internal friction measurement. A sample heating device comprises a furnace jacket and a heating furnace body structure mounted in the furnace jacket. The heating furnace body structure is composed of a supporting rod group, a furnace body and a binding post component. The supporting rod group is vertically fixed in an inner cavity of the furnace jacket through a middle vertical plate at the top of the furnace jacket, the furnace body is in sliding fit with the supporting rod group through a guide block component, and the binding post component arranged at the bottom of the furnace body can realize electric connection. The binding post component further comprises a furnace bottom binding post and an incoming line binding post. By the means, internal friction measurement is performed under the condition that samples are heated to high temperature; the heating device is fast in heat transfer, simple in structure and low in manufacturing cost; the heating furnace can be mounted and dismounted easily for the convenience of replacement of the samples; the heating device is safe during use; by the heating device, the samples and an area nearby the samples can be kept in a good uniform-temperature area in the process of measurement so as to guarantee accuracy in measurement.
Description
Technical field
The utility model relates to measuring instrument preparation field, particularly relates to a kind of sample heating device of measuring for Low Frequency Internal Friction.
Background technology
?the measurement of Low Frequency Internal Friction completes on low frequency mechanics spectrometer, that one end of setting is fixed, one end freely rectangular sample adds the very little stress of a circulation from free end, then measure the amplitude fading (free Attenuation Method) of sample or response lag and measure in-fighting value in the phase angle (forced oscillation method) of stress, in the time measuring the temperature variant curve of Low Frequency Internal Friction, to sample be heated and is incubated, also to prevent that near part sample and sample is oxidized, therefore, sample room is in the time measuring in-fighting variation with temperature, need a heater, most of situation is that sample room is evacuated rear blanketing with inert gas, then sample is heated.
Summary of the invention
The technical problem that the utility model mainly solves is to provide a kind of sample heating device of measuring for Low Frequency Internal Friction, and it is reasonable in design, has solved the problems in sample heating process in Low Frequency Internal Friction experiments of measuring.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is to provide a kind of sample heating device of measuring for Low Frequency Internal Friction, boiler clothing and be installed on the heating furnace agent structure in boiler clothing; Described heating furnace agent structure is made up of support bar group, body of heater and post assembly; Support bar group is vertically fixed in boiler clothing inner chamber by the intermediate plate at boiler clothing top, and body of heater is slidably matched by guide pad assembly and support bar group, and the post assembly that is arranged on bottom of furnace body can be realized electric power connection; Described post assembly also comprises furnace bottom binding post and inlet wire binding post;
Described furnace bottom binding post comprises: insulating ceramics chip module and positive conductive contact, and inlet wire binding post comprises: insulating ceramics chip module, cloudy conductive contact and attaching nut; Sun conductive contact is matched with in cloudy conductive contact also fastening by attaching nut, and the axially upper of described positive conductive contact is provided with cross recess along central shaft.
Preferably, on the outer wall of described body of heater, be wound with armouring resistance wire, and a series of apertures that also distribute uniformly on outer wall.
Preferably, described support bar group is made up of the support bar of some inner hollow core, is respectively equipped with connects the wire of armouring resistance wire or be provided with the thermocouple that connects body of heater in the inside of support bar.
Preferably, the height H of described body of heater is 4 times of length L of sample.
Preferably, the each parts on described body of heater are exotic material and make.
The beneficial effects of the utility model are: a kind of sample heating device of measuring for Low Frequency Internal Friction is provided, can makes sample be heated to and at higher temperature, carry out in-fighting measurement; Heater heat transfer rate is fast, simple in structure, low cost of manufacture; Heating furnace physical efficiency is installed and removed easily, to be convenient for changing sample; Heater is safety in use; Heater can make in measuring process, to keep a good samming region near sample and sample, with the accuracy that ensures to measure; Heating furnace physical efficiency very freely moves up and down simultaneously, and while being moved down into operating position, its circuit, in conducting state, is moved upwards up to a certain position, and sample can easily take off or reinstall new sample from vertical pendulum bar; Heater strip can access the wire on body of heater easily, and thermocouple can be pressed close to dexterously and leaves sample and do not affect the use of heater.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of sample heating device of measuring for Low Frequency Internal Friction of the utility model;
Fig. 2 is the cross sectional representation of the internal structure of sample heating device;
Fig. 3 is the local enlarged diagram of post assembly;
In accompanying drawing, the mark of each parts is as follows: 1, boiler clothing; 2, heating furnace agent structure; 3, support bar group; 4, body of heater; 5, post assembly; 6, furnace bottom binding post; 7, inlet wire binding post; 8, positive conductive contact; 9, cloudy conductive contact; 10, attaching nut.11, armouring resistance wire; 12, support bar; 13, wire; 14, thermocouple; 15, sample; 16, upper grip; 17, lower chuck; 18, guide pad on stove; 19, guide pad under stove; 20, lower support piece; 21, ceramic insulation sheet; 22, insulating ceramics pipe; 23, ceramic body; 24, intermediate plate; 25, sample holder.
Detailed description of the invention
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, thereby so that advantage of the present utility model and feature can be easier to be it will be appreciated by those skilled in the art that, protection domain of the present utility model is made to more explicit defining.
Refer to accompanying drawing 1 to Fig. 3, the utility model embodiment comprises:
A sample heating device of measuring for Low Frequency Internal Friction, boiler clothing 1 and be installed on the heating furnace agent structure 2 in boiler clothing 1; Described heating furnace agent structure 2 is made up of support bar group 3, body of heater 4 and post assembly 5; On the outer wall of body of heater 4, be wound with armouring resistance wire 11, and each parts on body of heater 4 are exotic material and make.
Support bar group 3 is vertically fixed in the inner chamber of boiler clothing 1 by the intermediate plate 24 at boiler clothing 1 top, and 4 of bodies of heater are slidably matched by guide pad assembly and support bar group 3, and guide pad assembly comprises on stove guide pad 19 under guide pad 18 and stove; The post assembly 5 of body of heater 4 bottoms connects to realize electric power; This post assembly 5 also comprises furnace bottom binding post 6 and inlet wire binding post 7; Described support bar group 3 is made up of the support bar 12 of some inner hollow core, is respectively equipped with connects the wire 13 of armouring resistance wire 11 or be provided with the thermocouple 14 that connects body of heater 4 in the inside of support bar 12.
Described furnace bottom binding post 6 comprises: insulating ceramics chip module and positive conductive contact 8, and 7 of inlet wire binding posts comprise: insulating ceramics chip module, cloudy conductive contact 9 and attaching nut 10; Sun conductive contact 8 is matched with in cloudy conductive contact 9 also fastening by attaching nut 10, and the axially upper of described positive conductive contact 8 is provided with cross recess along central shaft.
The height H of described body of heater 4 is 4 times of length L of sample 15, and sample 15 can be positioned at 4 middle parts of body of heater like this, and it is even that sample 15 can temperature in the time of heating.
On stove in heating furnace agent structure 2, under guide pad 18, body of heater 4, stove, guide pad 19 is all used heat-resistance stainless steel processing and manufacturing.On stove, under guide pad 18 and stove, the outside of guide pad 19 is radially uniform offers three breach, and breach divides two sections, and segmentum laterale is rectangle, and inner side is semicircle.Cramp bar 12 is arranged on semicircular indentation, there, and both are matched in clearance.On stove, under guide pad 18 and stove, guide pad 19 all offers through hole in center, coordinates respectively, then be fixed on body of heater 4 with holding screw with the upper end shaft shoulder and the lower end shaft shoulder slight interference of body of heater 4.
Body of heater 4 is tubuloses, it in its inner chamber, is heated sample 15, sample 15 must have enough spaces with upper grip 16 and lower chuck 17, several apertures equably radially distribute on the tube wall of body of heater 4, outside is wound with resistant to elevated temperatures armouring resistance wire 11, the effect of aperture is that the heat radiation that armouring resistance wire 11 is produced is passed to the sample 15 in pipe, improves the efficiency of heating surface and speed.The heat-resistance stainless steel processing and manufacturing of cramp bar 12 use tubuloses, burn-on with being processed with externally threaded tube head respectively in pipe two ends, with placing ceramic body 23.Totally three of cramp bars 12, wherein two interior placements of cramp bar 12 work the wire 13 that switches on power and act on, the interior placement thermocouple 14 of another one cramp bar 12.Cramp bar 12 upper ends are fixedly connected with intermediate plate 24 screw threads, and lower end is fixed together with nut and lower support piece 20.Lower support piece 20 stainless steel processing and manufacturing, uniformly on its circumference offers 6 holes, and wherein 3 coordinate with the lower end thread pitch of cramp bar 12, other three in order to ceramic body 23 to be installed.Lower support Kuai20 offers at center a through hole, is arranged on sample holder 25 for the lower chuck 16 of sample 15.Inlet wire binding post 7 is fixed to the wire 13 through cramp bar 12 on cloudy conductive contact 9 by attaching nut 10, and cloudy conductive contact 9 and wire 13 are insulated with lower support piece 20 with insulating ceramics pipe 22 and ceramic insulation sheet 21, attaching nut 10 and cloudy conductive contact 9 are all manufactured with stainless steel.Furnace bottom binding post 6 is fixed to wire 13 and positive conductive contact 8 under stove on guide pad 19, and guide pad 19 under positive conductive contact 8 and stove is insulated with insulating ceramic film and insulating ceramics pipe.Sun conductive contact 8 is offered a cross recess vertically, while making positive conductive contact 8 ends not insert cloudy conductive contact 9, open in slight elasticity, while inserting cloudy conductive contact 9 in intimate-association state, in sun conductive contact 8 and cloudy wire contact 9, be provided with external screw thread, can wire 13 be fixedly attached on positive conductive contact 8 by nut.
Wherein heating furnace agent structure 2 can move up and down, and when mobile, axially almost without skew, make sample 15 unload easily and to install and makes yin, yang conductive contact 8 easily aim at close contact; Support bar 12, as the passageway of wire 13 and thermocouple 14, also makes thermocouple 14 easily near sample 15 in making wire 13 be advantageously connected on inlet wire binding post 7; On sun conductive contact 8, offer cross recess, while contact with cloudy conductive contact 9, open in elasticity, while making 8 conducting of yin, yang conductive contact, combination closely, when disconnection, do not need to pull down furnace bottom binding post 6 with screwdriver, when conducting, do not need with the fastening furnace bottom binding post 6 of screwdriver; The parts of described sample heating device are filled with the parts of inert gas shielding sample 15 and heater after being evacuated or vacuumizing with heat-resistance stainless steel or ceramic material manufacture and sample room, not oxidized; Furnace body wall evenly offers several apertures, and the heat that armouring resistance wire 11 produces is easy to pass to sample 15, has increased the thermal efficiency.
The foregoing is only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model description to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (5)
1. a sample heating device of measuring for Low Frequency Internal Friction, it comprises: boiler clothing (1) and be installed on the heating furnace agent structure (2) in boiler clothing (1); It is characterized in that: described heating furnace agent structure (2) is made up of support bar group (3), body of heater (4) and post assembly (5); Support bar group (3) is vertically fixed in the inner chamber of boiler clothing (1) by the intermediate plate (24) at boiler clothing (1) top, body of heater (4) is slidably matched by guide pad assembly and support bar group (3), and the post assembly (5) that is arranged on body of heater (4) bottom can be realized electric power connection; Described post assembly (5) also comprises furnace bottom binding post (6) and inlet wire binding post (7);
Described furnace bottom binding post (6) comprising: insulating ceramics chip module and positive conductive contact (8), and inlet wire binding post (7) comprises: insulating ceramics chip module, cloudy conductive contact (9) and attaching nut (10); Sun conductive contact (8) is matched with in cloudy conductive contact (9) also fastening by attaching nut (10), and the axially upper of described positive conductive contact (8) is provided with cross recess along central shaft.
2. a kind of sample heating device of measuring for Low Frequency Internal Friction according to claim 1, is characterized in that: on the outer wall of described body of heater, be wound with armouring resistance wire (11), and a series of apertures that also distribute uniformly on outer wall.
3. a kind of sample heating device of measuring for Low Frequency Internal Friction according to claim 2, it is characterized in that: described support bar group (3) is made up of the support bar (12) of some inner hollow core, be respectively equipped with in the inside of support bar (12) and connect the wire (13) of armouring resistance wire (11) or be provided with the thermocouple (14) that connects body of heater (4).
4. according to a kind of sample heating device of measuring for Low Frequency Internal Friction described in any one in claims 1 to 3, it is characterized in that: the height H of described body of heater (4) is 4 times of length L of sample (15).
5. a kind of sample heating device of measuring for Low Frequency Internal Friction according to claim 1, is characterized in that: the each parts on described body of heater (4) are exotic material and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889746.3U CN203744717U (en) | 2013-12-31 | 2013-12-31 | Sample heating device for low-frequency internal friction measurement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320889746.3U CN203744717U (en) | 2013-12-31 | 2013-12-31 | Sample heating device for low-frequency internal friction measurement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203744717U true CN203744717U (en) | 2014-07-30 |
Family
ID=51344507
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320889746.3U Withdrawn - After Issue CN203744717U (en) | 2013-12-31 | 2013-12-31 | Sample heating device for low-frequency internal friction measurement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203744717U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697697A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Sample heating device for low-frequency internal friction measurement |
| CN106403602A (en) * | 2016-09-12 | 2017-02-15 | 中国航空工业集团公司北京航空材料研究院 | Heating furnace for creeping and stress rupture test for muffle furnace structure |
-
2013
- 2013-12-31 CN CN201320889746.3U patent/CN203744717U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697697A (en) * | 2013-12-31 | 2014-04-02 | 苏州市职业大学 | Sample heating device for low-frequency internal friction measurement |
| CN103697697B (en) * | 2013-12-31 | 2015-08-19 | 苏州市职业大学 | A kind of sample heating device measured for Low Frequency Internal Friction |
| CN106403602A (en) * | 2016-09-12 | 2017-02-15 | 中国航空工业集团公司北京航空材料研究院 | Heating furnace for creeping and stress rupture test for muffle furnace structure |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140730 Effective date of abandoning: 20150819 |
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| RGAV | Abandon patent right to avoid regrant |