CN102944572A - Device for contact heat-resistance test of protective material - Google Patents
Device for contact heat-resistance test of protective material Download PDFInfo
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- CN102944572A CN102944572A CN2012103311253A CN201210331125A CN102944572A CN 102944572 A CN102944572 A CN 102944572A CN 2012103311253 A CN2012103311253 A CN 2012103311253A CN 201210331125 A CN201210331125 A CN 201210331125A CN 102944572 A CN102944572 A CN 102944572A
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Abstract
The invention belongs to the technical field of devices for a thermal protection performance test of a protective material and discloses a device for a contact heat-resistance test of a protective material. The device comprises a calorimeter transmission and control assembly, a calorimeter assembly, a thermal baffle assembly, a heating unit assembly, a test control system, and a computer control system. The calorimeter transmission and control assembly is connected to the calorimeter assembly. The thermal baffle assembly is located above the calorimeter assembly. The heating unit assembly is arranged above the thermal baffle assembly and is located over against the calorimeter assembly. The heating unit assembly is electrically connected to the test control system. The calorimeter transmission and control assembly is electrically connected respectively to the test control system and the computer control system. The device can resist a high temperature more than 500 DEG C, realizes heating unit high-temperature protection and a calorimeter contact force of 49+/-0.5N, has a simple structure and a low cost, is convenient for manufacture, and can work safely.
Description
Technical field
The invention belongs to protective materials thermal protective performance test unit technical field, relating to a kind of protective materials contact resistance device for testing thermal performance, is a kind of device that can simulate protective materials contact resistance thermal behavior index-marginal time test under the high temperature job states such as welding, metallurgy, fire-fighting specifically.
Background technology
Thermal Protective Fabric day by day is subject to people's attention in recent years and pays close attention to as a kind of extraordinary fabrics for industrial use.At present, the thermally protective materials development is very rapid, and application is also in continuous expansion.The characteristics of Thermal Protective Fabric are can shield, reflect the heat that high temperature heat source sends, and make its back side still keep lower temperature, thereby protected human body or other object to preserve from, thereby it is a kind of heat resistanceheat resistant, heat insulation, unique fabric that block heat is propagated.Hold out broad prospects at aspects such as making protective clothing, building materials, aerospace material, military material.At present, the heat-proof quality method of testing of protective materials commonly used mainly contains following several both at home and abroad: vertical combustion method and limited oxygen index method, Dynamic Burning test, thermal protective performance test (TPP test), the heat-resisting protective clothes evaluation system of copper people (Thermo-man).And no matter above-mentioned method of testing all can't satisfy the testing requirement of protective materials contact resistance heat on measuring mechanism or the test structure.
Summary of the invention
Technique effect of the present invention can overcome defects, and a kind of protective materials contact resistance device for testing thermal performance is provided, and it provides a kind of brand-new protective materials contact resistance device for testing thermal performance.
For achieving the above object, the present invention adopts following technical scheme: it comprises calorimeter transmission and control assembly, the calorimeter assembly, the thermal baffle assembly, the calandria assembly, test control system, computer control system, calorimeter transmission and control assembly are connected with the calorimeter assembly, the thermal baffle assembly is positioned at the top of calorimeter assembly, the calandria assembly is arranged on the top of thermal baffle assembly and over against the calorimeter assembly, calandria assembly and test control system electrical connection, calorimeter transmission and control assembly and test control system electrical connection also are electrically connected with computer control system respectively.
Research and design of the present invention a kind of one-piece construction of protective materials contact resistance device for testing thermal performance and speed adjustable and have the calorimeter kinematic train of self-locking property and can bear the calandria special construction of the high temperature that surpasses 500 ℃, the calorimeter kinematic train that this newly-designed speed is adjustable and have a self-locking property can guarantee that the speed of related movement of calorimeter in process of the test and between the calandria is adjustable, and can come to a complete stop at any relative position place, guarantee the accurate requirement of relative velocity and relative position between calorimeter and the calandria.
Calorimeter transmission and control assembly comprise buncher, transmission gear, the guide pin bushing I, the upper limit travel switch, the lower limit travel switch, travel switch bumps sheet, rack shaft, the guide bearing combination, motor cabinet, buncher is arranged on the motor cabinet, buncher band nutating gear rotates, transmission gear and rack shaft engagement, the top of rack shaft is fixedly connected with the calorimeter assembly, the outside of rack shaft is provided with the guide pin bushing I, the guide bearing combination is arranged on the motor cabinet, the guide bearing combination is positioned at the centre of rack shaft, the bottom of rack shaft is provided with travel switch and bumps sheet, and the position of bumping sheet near travel switch sets gradually the upper limit travel switch from top to bottom, the lower limit travel switch.
The guide bearing combination comprises gathering sill, slotted hole, bearings axle, guide bearing is installed, be clearance fit between rack shaft and the guide pin bushing I, the back side of corresponding tooth bar has gathering sill on the rack shaft, guide bearing rolls along gathering sill, guide bearing is installed on the bearings axle, and the bearings axle is installed on the motor cabinet by slotted hole is installed.
The calorimeter assembly comprises fine aluminium disk, temperature probe, bracing frame, and the fine aluminium disk is arranged on the top of bracing frame, and temperature probe is arranged on the bottom of fine aluminium disk, is threaded between bracing frame and the rack shaft.
The thermal baffle assembly comprises pillar, butterfly frame, block, baffle plate, opens the indication tongue tube, the bottom of pillar is fixed on the calorimeter transmission and controls on the assembly lamina tecti, the upper end of pillar is provided with the butterfly frame, the butterfly frame is provided with baffle plate, baffle plate is provided with opens the indication tongue tube, and the top of pillar is provided with block.
The calandria assembly comprises calandria, positioning and guiding vermiculite cover, temperature thermocouple, stainless steel outer sleeve, the glass fibre inserts, the location vermiculite board, stainless steel cover, the guiding coupling shaft, the guide pin bushing II, the counterweight counterweight, heating ring, calandria is arranged in the stainless steel outer sleeve, filled glass fiber inserts between calandria and the stainless steel outer sleeve inwall, be provided with heating ring between calandria and the glass fibre inserts, the stainless steel outer sleeve inner bottom is provided with positioning and guiding vermiculite cover, the stainless steel outer sleeve inner tip is provided with the location vermiculite board, calandria is arranged between positioning and guiding vermiculite cover and the location vermiculite board, the top of stainless steel outer sleeve is provided with stainless steel cover, stainless steel cover is connected with the counterweight counterweight by the guiding coupling shaft, the guiding coupling shaft is provided with the guide pin bushing II outward, gapped between guiding coupling shaft and the guide pin bushing II, temperature thermocouple runs through calandria from top to bottom successively, the location vermiculite board, the guiding coupling shaft, the guide pin bushing II, the counterweight counterweight.
The calandria special construction design that protective materials contact resistance device for testing thermal performance of the present invention can bear the high temperature that surpasses 500 ℃ realized that the high temperature protection of calandria itself reaches and calorimeter between the function of contact force of (49 ± 0.5) N.This apparatus structure simplicity of design, low, easy to make, the security of operation of cost.
Description of drawings
Fig. 1 is one-piece construction front schematic view of the present invention;
Fig. 2 is one-piece construction side schematic view of the present invention;
Fig. 3 is calorimeter transmission of the present invention and control assembly forward structure synoptic diagram;
Fig. 4 is calorimeter transmission of the present invention and control assembly plan structure synoptic diagram;
Fig. 5 is guide bearing combination forward structure synoptic diagram of the present invention;
Fig. 6 is guide bearing combination plan structure synoptic diagram of the present invention;
Fig. 7 is calorimeter assembly structure synoptic diagram of the present invention;
Fig. 8 is thermal baffle assembly structure synoptic diagram of the present invention;
Fig. 9 is calandria assembly structure synoptic diagram of the present invention.
Among the figure: 1 calorimeter transmission and control assembly; 2 calorimeter assemblies; 3 thermal baffle assemblies; 4 calandria assemblies; 5 test control systems; 6 computer control systems;
11 bunchers; 12 transmission gears; 13 guide pin bushing I; 14 upper limit travel switches; 15 lower limit travel switches; 16 travel switches bump sheet; 17 rack shafts; The combination of 18 guide bearings; 19 motor cabinets;
181 gathering sills; 182 install slotted hole; 183 bearings axles; 184 guide bearings;
21 fine aluminium disks; 22 temperature probes; 23 bracing frames;
31 pillars; 32 butterfly framves; 33 blocks; 34 baffle plates; 35 open the indication tongue tube;
41 calandrias; 42 positioning and guiding vermiculite covers; 43 temperature thermocouples; 44 stainless steel outer sleeve; 45 glass fibre inserts; 46 location vermiculite boards; 47 stainless steel covers; 48 guiding coupling shafts; 49 guide pin bushing II; 410 counterweight counterweights; 411 heating rings.
Embodiment
Protective materials contact resistance device for testing thermal performance of the present invention, comprise calorimeter transmission and control assembly 1, calorimeter assembly 2, thermal baffle assembly 3, calandria assembly 4, test control system 5, computer control system 6, calorimeter transmission and control assembly 1 are connected with calorimeter assembly 2, thermal baffle assembly 3 is positioned at the top of calorimeter assembly 2, calandria assembly 4 is arranged on the top of thermal baffle assembly 3 and over against calorimeter assembly 2, calandria assembly 4 and test control system 5 electrical connections, calorimeter transmission and control assembly 1 are electrically connected with test control system 5 and are electrically connected with computer control system 6 respectively.
Described calorimeter assembly 2 comprises fine aluminium disk 21, temperature probe 22, bracing frame 23, and fine aluminium disk 21 is arranged on the top of bracing frame 23, and temperature probe 22 is arranged on the bottom of fine aluminium disk 21, is threaded between bracing frame 23 and the rack shaft 17.Temperature probe 22 adopts high-precision temperature probe, can accurately measure the temperature rise of the sample back side.
Described calandria assembly 4 comprises calandria 41, positioning and guiding vermiculite cover 42, temperature thermocouple 43, stainless steel outer sleeve 44, glass fibre inserts 45, location vermiculite board 46, stainless steel cover 47, guiding coupling shaft 48, guide pin bushing II 49, counterweight counterweight 410, heating ring 411, calandria 41 is arranged in the stainless steel outer sleeve 44, filled glass fiber inserts 45 between calandria 41 and stainless steel outer sleeve 44 inwalls, be provided with heating ring 411 between calandria 41 and the glass fibre inserts 45, stainless steel outer sleeve 44 inner bottom are provided with positioning and guiding vermiculite cover 42, stainless steel outer sleeve 44 inner tip are provided with location vermiculite board 46, calandria 41 is arranged between positioning and guiding vermiculite cover 42 and the location vermiculite board 46, the top of stainless steel outer sleeve 44 is provided with stainless steel cover 47, stainless steel cover 47 is connected with counterweight counterweight 410 by guiding coupling shaft 48, the guiding coupling shaft 48 outer guide pin bushing II 49 that are provided with, gapped between guiding coupling shaft 48 and the guide pin bushing II 49, temperature thermocouple 43 runs through calandria 41 from top to bottom successively, location vermiculite board 46, guiding coupling shaft 48, guide pin bushing II 49, counterweight counterweight 410.For realizing the contact force of (49 ± 0.5) N, 49 of the guide pin bushing II of guiding coupling shaft 48 and tetrafluoro are designed to clearance fit, calandria and counterweight drop on the calorimeter with the state of freely falling body in process of the test like this, can guarantee that contact force bound error is in ± 0.5N scope.The calandria 41 of brass material is by positioning and guiding vermiculite cover 42 and locate vermiculite board 46 in stainless steel outer sleeve 44, to guarantee diameter
The vertical accurately location of surface of contact.Good for guaranteeing the surface of contact contact in addition, with calandria 41 and calorimeter diameter
The face of cylinder be designed to polishing, reduce the microcosmic slit between two surface of contact, to reduce thermal contact resistance between the two as far as possible.
Described thermal baffle assembly 3 comprises pillar 31, butterfly frame 32, block 33, baffle plate 34, opens indication tongue tube 35, the bottom of pillar 31 is fixed on the calorimeter transmission and controls on assembly 1 lamina tecti, the upper end of pillar 31 is provided with butterfly frame 32, butterfly frame 32 is provided with baffle plate 34, baffle plate 34 is provided with opens indication tongue tube 35, and the top of pillar 31 is provided with block 33.Opening and close up and realize heat insulation protection between calandria 41 and the calorimeter assembly 2 by baffle plate 34.Opening indication tongue tube 35 provides baffle plate the opened signal that puts in place to computer control system 6,11 releases of calorimeter assembly 2 drive speed-adjusting motors, and calorimeter assembly 2 can move up and down.
Described test control system 5 is used for installing calandria temperature control temp measuring system, marginal time test control system.
Described calorimeter transmission and control assembly 1 comprise buncher 11, transmission gear 12, guide pin bushing I 13, upper limit travel switch 14, lower limit travel switch 15, travel switch bumps sheet 16, rack shaft 17, guide bearing combination 18, motor cabinet 19, buncher 11 is arranged on the motor cabinet 19, buncher 11 band nutating gears 12 rotate, transmission gear 12 and rack shaft 17 engagements, the top of rack shaft 17 is fixedly connected with calorimeter assembly 2, the outside of rack shaft 17 is provided with guide pin bushing I 13, guide bearing combination 18 is arranged on the motor cabinet 19, guide bearing combination 18 is positioned at the centre of rack shaft 17, the bottom of rack shaft 17 is provided with travel switch and bumps sheet 16, and the position of bumping sheet 16 near travel switch sets gradually upper limit travel switch 14 from top to bottom, lower limit travel switch 15.Transmission adopted the rack-and-pinion transmission mode, buncher 11 band nutating gears 12 rotate, by the engagement between transmission gear 12 and the rack shaft 17, rotatablely moving of transmission gear 12 is transformed into moving up and down of rack shaft 17, thereby realized the vertically opposite motion between calorimeter and the calandria.In order to guarantee in the rack-and-pinion transmission, rack shaft drives calorimeter assembly 2 and sample moves up and down flexibly, and guiding accurately, therefore has wear-resisting and teflon guide pin bushing I 13 self-lubricating property for rack shaft 17 has designed.And the center in whole tooth bar length, designed guide bearing combination 18, be designed with the gathering sill 181 with bearing outer ring Width clearance fit on the rack shaft 17, like this when rack and pinion engagement moves up and down, guide bearing 184 provides guiding in guide groove 181 interior rollings for rack shaft 17 moves up and down.Guide bearing combination 18, be installed on the motor cabinet 19, its mounting hole is horizontal installation slotted hole 182, can about adjust gap between guide bearing combination 18 and the rack shaft 17, so that bearing can flexible rotating, and can play again to the precisely effects of guiding of rack shaft 17.Adopt travel switch to realize the accurate positioning control of bound of two positions in sample installation position and test position.
Described computer control system 6 can realize stable temperature control, the control of calorimeter lifting drive system, the marginal time Real-Time Monitoring of heating system.Single value of hot marginal time of sample contact resistance, mean value are recorded, and judged whether sample is qualified.
Claims (6)
1. protective materials contact resistance device for testing thermal performance, it is characterized in that, comprise calorimeter transmission and control assembly (1), calorimeter assembly (2), thermal baffle assembly (3), calandria assembly (4), test control system (5), computer control system (6), calorimeter transmission and control assembly (1) are connected with calorimeter assembly (2), thermal baffle assembly (3) is positioned at the top of calorimeter assembly (2), calandria assembly (4) is arranged on the top of thermal baffle assembly (3) and over against calorimeter assembly (2), calandria assembly (4) is electrically connected and is electrically connected with computer control system (6) respectively with test control system (5) with test control system (5) electrical connection, calorimeter transmission and control assembly (1).
2. protective materials contact resistance device for testing thermal performance according to claim 1, it is characterized in that, calorimeter transmission and control assembly (1) comprise buncher (11), transmission gear (12), guide pin bushing I (13), upper limit travel switch (14), lower limit travel switch (15), travel switch bumps sheet (16), rack shaft (17), guide bearing combination (18), motor cabinet (19), buncher (11) is arranged on the motor cabinet (19), buncher (11) band nutating gear (12) rotates, transmission gear (12) and rack shaft (17) engagement, the top of rack shaft (17) is fixedly connected with calorimeter assembly (2), the outside of rack shaft (17) is provided with guide pin bushing I (13), guide bearing combination (18) is arranged on the motor cabinet (19), guide bearing combination (18) is positioned at the centre of rack shaft (17), the bottom of rack shaft (17) is provided with travel switch and bumps sheet (16), and the position of bumping sheet (16) near travel switch sets gradually upper limit travel switch (14) from top to bottom, lower limit travel switch (15).
3. protective materials contact resistance device for testing thermal performance according to claim 2, it is characterized in that, guide bearing combination (18) comprises gathering sill (181), slotted hole (182) is installed, bearings axle (183), guide bearing (184), be clearance fit between rack shaft (17) and the guide pin bushing I (13), the back side of corresponding tooth bar has gathering sill (181) on the rack shaft, guide bearing (184) rolls along gathering sill (181), guide bearing (184) is installed on the bearings axle (183), and bearings axle (183) is installed on the motor cabinet (19) by slotted hole (182) is installed.
4. protective materials contact resistance device for testing thermal performance according to claim 2, it is characterized in that, calorimeter assembly (2) comprises fine aluminium disk (21), temperature probe (22), bracing frame (23), fine aluminium disk (21) is arranged on the top of bracing frame (23), temperature probe (22) is arranged on the bottom of fine aluminium disk (21), is threaded between bracing frame (23) and the rack shaft (17).
5. protective materials contact resistance device for testing thermal performance according to claim 2, it is characterized in that, thermal baffle assembly (3) comprises pillar (31), butterfly frame (32), block (33), baffle plate (34), open indication tongue tube (35), the bottom of pillar (31) is fixed on the calorimeter transmission and controls on assembly (1) lamina tecti, the upper end of pillar (31) is provided with butterfly frame (32), butterfly frame (32) is provided with baffle plate (34), baffle plate (34) is provided with opens indication tongue tube (35), and the top of pillar (31) is provided with block (33).
6. protective materials contact resistance device for testing thermal performance according to claim 2, it is characterized in that, calandria assembly (4) comprises calandria (41), positioning and guiding vermiculite cover (42), temperature thermocouple (43), stainless steel outer sleeve (44), glass fibre inserts (45), location vermiculite board (46), stainless steel cover (47), guiding coupling shaft (48), guide pin bushing II (49), counterweight counterweight (410), heating ring (411), calandria (41) is arranged in the stainless steel outer sleeve (44), filled glass fiber inserts (45) between calandria (41) and stainless steel outer sleeve (44) inwall, be provided with heating ring (411) between calandria (41) and the glass fibre inserts (45), stainless steel outer sleeve (44) inner bottom is provided with positioning and guiding vermiculite cover (42), stainless steel outer sleeve (44) inner tip is provided with location vermiculite board (46), calandria (41) is arranged between positioning and guiding vermiculite cover (42) and the location vermiculite board (46), the top of stainless steel outer sleeve (44) is provided with stainless steel cover (47), stainless steel cover (47) is connected with counterweight counterweight (410) by guiding coupling shaft (48), the outer guide pin bushing II (49) that is provided with of guiding coupling shaft (48), gapped between guiding coupling shaft (48) and the guide pin bushing II (49), temperature thermocouple (43) runs through calandria (41) from top to bottom successively, location vermiculite board (46), guiding coupling shaft (48), guide pin bushing II (49), counterweight counterweight (410).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103311253A CN102944572A (en) | 2012-09-07 | 2012-09-07 | Device for contact heat-resistance test of protective material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103311253A CN102944572A (en) | 2012-09-07 | 2012-09-07 | Device for contact heat-resistance test of protective material |
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| CN102944572A true CN102944572A (en) | 2013-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012103311253A Pending CN102944572A (en) | 2012-09-07 | 2012-09-07 | Device for contact heat-resistance test of protective material |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901070A (en) * | 2014-04-08 | 2014-07-02 | 山东省纺织科学研究院 | Radiation heat source device for testing radiant heat penetration resistance |
| CN108672207A (en) * | 2018-05-15 | 2018-10-19 | 山东交通职业学院 | A kind of manufacturing method of New Building Materials |
Citations (3)
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| CN2470703Y (en) * | 2001-03-05 | 2002-01-09 | 傅一均 | Electric-oven with liftable plate |
| US20080229667A1 (en) * | 2007-03-22 | 2008-09-25 | Dufour William T | Direct drive slider window assembly |
| CN201926633U (en) * | 2010-11-19 | 2011-08-10 | 东华大学 | Novel thermal protective performance testing and evaluating device of thermal protective equipment |
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2012
- 2012-09-07 CN CN2012103311253A patent/CN102944572A/en active Pending
Patent Citations (3)
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|---|---|---|---|---|
| CN2470703Y (en) * | 2001-03-05 | 2002-01-09 | 傅一均 | Electric-oven with liftable plate |
| US20080229667A1 (en) * | 2007-03-22 | 2008-09-25 | Dufour William T | Direct drive slider window assembly |
| CN201926633U (en) * | 2010-11-19 | 2011-08-10 | 东华大学 | Novel thermal protective performance testing and evaluating device of thermal protective equipment |
Non-Patent Citations (1)
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103901070A (en) * | 2014-04-08 | 2014-07-02 | 山东省纺织科学研究院 | Radiation heat source device for testing radiant heat penetration resistance |
| CN103901070B (en) * | 2014-04-08 | 2015-11-11 | 山东省纺织科学研究院 | The radiation heat device of penetrating quality of anti radiant heat performance test |
| CN108672207A (en) * | 2018-05-15 | 2018-10-19 | 山东交通职业学院 | A kind of manufacturing method of New Building Materials |
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Application publication date: 20130227 |