CN104181190A - Testing platform for fire resistance of large revolving body - Google Patents
Testing platform for fire resistance of large revolving body Download PDFInfo
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- CN104181190A CN104181190A CN201410427825.1A CN201410427825A CN104181190A CN 104181190 A CN104181190 A CN 104181190A CN 201410427825 A CN201410427825 A CN 201410427825A CN 104181190 A CN104181190 A CN 104181190A
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Abstract
The invention provides a testing platform for the fire resistance of a large revolving body. The testing platform comprises a simulated heating device for providing a real heating environment, a tested part pose adjusting platform and a control system, wherein the flame size and the heating temperature of the simulated heating device are controllable and adjustable; the tested part pose adjusting platform can provide a mounting and locating interface of a tested part, can realize five-freedom-degree rotation and movement in space, can realize controllable and adjustable relative space position and can simulate the pose of the tested part in a temperature field; and the control system acquires temperature and the pose signals of the tested part in real time and controls the relative sensitivity parameters in real time. The testing platform can really simulate the fire scene with high efficiency, the temperature distribution of the tested part is controllable and adjustable, the installation and location operations are very convenient, and the universality is strong, so that reference is provided for practical application of a fire-resistant revolving body workpiece; the whole mechanical system has a skillful structure, has high integration degree, is very convenient to install and locate, and has the advantages of openness, flexibility design, high precision and the like.
Description
Technical field
The present invention relates to a kind of large revolving body fire performance test platform.
Background technology
After U.S.'s September 11 attacks, countries in the world are extraordinarily paid close attention to Fire-protection of Steel Structures, particularly in the field such as naval vessel and aircraft, once breaking out of fire, if material itself does not just possess even incendivity of fire line, that can only bring larger fire hazard, therefore the fireproof characteristic of material self is greatly paid close attention to, as: fire-resistant coating for steel structure should have good thermal insulation (thick type frie retardant coating), the rear expansion heat-insulating, fire-preventing (slim frie retardant coating) of heating in the time being subject to fire; Inorganic compounding PLASTIC LAMINATED still has lower thermal conductivity, slows down thermal conduction rate in the time being subject to fire; Inorganic fibre not only has good adhesion, and thermal conductivity at high temperature increases slowly, and plate should not have compared with large atrophy, keeps porosity, coefficient of heat conductivity not to increase too fast with the rising of temperature in the time being subject to fire; That flexible web should be expanded foamed in the time being subject to fire is heat insulation, also will have good adhesion.For different application scenarios, different materials is proposed to different fire-resistant level of separation requirements, at present, China carries out the fire testing of material and product, mainly adopts three-face fire free beam, is arranged on stove top by test specimen, pin-ended is on wall, ensure the about 4500mm of effective span, heating, detects steel internal temperature critical value and mid-span deflection maximum permissible value.For high temperature compression strength and the refractoriness test of the huge revolving such as large cylinder, cone part, generally by huge revolving part equal proportion convergent-divergent, be placed in high temperature furnace or be lifted on high-temperature furnace mouth, test, this test mode not only loaded down with trivial details cost is high, and accuracy ten/poor, whole test process sensitive parameter is difficult to control, the fire performance of simulation material under actual fire situation really.
Summary of the invention
In view of the above problems, the object of this invention is to provide a kind of large revolving body fire performance test platform, it is simulated fire scene really, and measured piece Temperature Distribution is controllable, location is installed very convenient, highly versatile, provides reference frame for fire-resistant revolving body workpieces in practical application.
The invention provides a kind of large revolving body fire performance test platform, comprising: simulation heating device, real heating environment is provided, and flame size and heating-up temperature controllable; Measured piece pose is adjusted platform, and the installation locating interface of measured piece is provided, and implementation space five degree of freedom rotation and mobile, realizes relative tertiary location controllable, the attitude of real simulation measured piece in temperature field; Control system, the pose signal of Real-time Collection temperature and measured piece, and control in real time relevant sensitization parameter.
Simulation heating device, comprising: firing chamber, burner, low temperature rectifier, high temperature rectifying device, blower fan and air-supply pipeline etc., and described low temperature rectifier adopts honeycomb, and high temperature rectifying device adopts water-cooled stainless steel structure; Described TT&C system gathers the signals such as pressure, flow, temperature, and gas outlet temperature and speed are controlled by charge oil pressure and the coupling of electronic air-door actuator, and realize air feed and fuel feeding harmonious, make burning efficiency be not less than 99%, stable, pulse little.
As preferably, designs of nozzles adopts ripe swirl atomizer design, described firing chamber adopts loopful firing chamber, produce equal heat less than single burner inner liner fuel consumption, and stable in given parameter area, parameter is easy to control, because stable pulsation is little, parameter is easy to control, therefore more real simulated fire scene, and extend its serviceable life.
As preferably, combustor exit length of mixing is designed to 1 meter, considered and used on-the-spot space constraint, ensure again the collimation of air stream outlet, and guarantee exit flow homogeneity, described combustion chamber wall surface and rectifier adopt high temperature ceramic material, adopt heat-resistance stainless steel to add compared with the structure of cooling jacket with tradition, have greatly reduced energy loss; Combustor exit is designed with dismountable high-temperature fuel gas reflection unit that prevents, can ensure the collimation that combustion gas is flowed out, replacing for convenience detach again.
Measured piece pose is adjusted platform, total translational sideways movement, longitudinal translation motion, vertical direction translation motion, rotate and 5 degree of freedom of workpiece spin motion around vertical direction, realize real simulation workpiece and injection combustion gas and flame between relative position relation; Described transverse shifting assembly, vertically move assembly and vertical direction and move assembly and all adopt servomotor to add the linear drives mode that leading screw adds ball line slideway, it has the advantages such as integrated level is high, highly versatile, positioning precision is high, bearing capacity is large, described leading screw all adopts the TM33 screw thread with auto-lock function, facilitate position adjustment and make it at setting positive lock, ensure not occur ' slip car ' phenomenon after system cut-off; All design two remaining limit switches at stroke two ends, play stroke limit and protective effect.
Around vertical direction rotating assembly, comprise drive motor, gear train, spring bearing etc., described gear train is selected helical bevel gear speed reduction unit, and speed ratio is 5.41:1, so that steady transmission is arranged and realized in space.
Workpiece spin mechanism, comprises drive motor, speed reduction unit, driving shaft, mounting platform and frock etc., and drive motor adopts brush DC buncher to drive, and adopts controlled stepless time adjustment mode, thereby adapts to the requirement of different solid of revolution rotating speed; As preferably, installing mechanism is designed to general dismounting form, according to different workpieces task needs, changes frock; Described mounting platform is disc steel platform, has T-shaped groove on it, so that different workpieces is installed, location; Preferably, be designed with installation positioning tool on mounting platform, frock adopts polytetrafluoroethylmaterial material, prevent from installing in position fixing process workpiece is produced to clashing and breaking, and teflon frock is made wedge structure, the convenient location of installing; Described drive motor output shaft end all installs photoelectric encoder additional, not only to realize position servo closed-loop control, signal can be returned to host computer again and carry out Real-time Feedback monitoring.
The present invention can be truly, simulated fire scene efficiently, and measured piece Temperature Distribution is controllable, location is installed very convenient, highly versatile, provide reference frame for fire-resistant revolving body workpieces in practical application, a whole set of mechanical system structure is ingenious, Highgrade integration, and installation location is very convenient, has the plurality of advantages such as opening, flexible design, precision height.
Brief description of the drawings
Fig. 1 is to be axonometric drawing 1 according to the large revolving body fire performance test platform of an embodiment of the invention;
Fig. 2 is the large revolving body fire performance test platform axonometric drawing 2 according to an embodiment of the invention;
Fig. 3 is the large revolving body fire performance test platform vertical view according to an embodiment of the invention;
Fig. 4 is the large revolving body fire performance test platform left view according to an embodiment of the invention;
Fig. 5 is the large revolving body fire performance test platform test position axonometric drawing according to an embodiment of the invention;
Fig. 6 is the large revolving body fire performance test platform test position front view according to an embodiment of the invention;
Fig. 7 is the large revolving body fire performance test platform test position vertical view according to an embodiment of the invention.
Fig. 8 is the large revolving body fire performance test platform turntable structure schematic diagram according to an embodiment of the invention;
Fig. 9 is the large revolving body fire performance test platform turntable front view according to an embodiment of the invention;
Figure 10 is the large revolving body fire performance test platform turntable vertical view according to an embodiment of the invention;
Figure 11 is the large revolving body fire performance test platform turntable upper axis mapping according to an embodiment of the invention;
Figure 12 is the large revolving body fire performance test platform turntable top front view according to an embodiment of the invention;
Figure 13 is the large revolving body fire performance test platform turntable top cut-open view 1 according to an embodiment of the invention;
Figure 14 is the large revolving body fire performance test platform turntable top cut-open view 2 according to an embodiment of the invention.
Figure 15 is the large revolving body fire performance test platform heating system figure according to an embodiment of the invention.
Figure 16 is the large revolving body fire performance test platform chamber structure figure according to an embodiment of the invention.
In figure: 1, flame-thrower nozzle; 2, heating arrangement; 3, five degree of freedom platform; 4, ground; 5, electric rotating machine; 6, electric rotating machine speed reduction unit; 7, lifting motor; 8, spinning motor; 9, spinning motor speed reduction unit; 10, upper shell; 11, tested cone; 12, cross slide way; 13, horizontal mounting platform; 14, horizontal leading screw; 15, cross motor; 16, longitudinal mounting platform; 17, longitudinal rail; 18, longitudinal leadscrew; 19, fixing floor; 20, longitudinal motor; 21, slide block; 22, frock; 23, mounting platform; 24, the axis of rotation; 25, bearing; 26, bearing; 27, end cap; 28, bearing; 29, housing; 30, bearing; 31, main shaft; 32, bearing; 33, nut; 34, packing ring; 35, nut; 36, bottom support frame; 37, leading screw; 38, bearing with solid lubricant; 39, nut; 40, mounting bracket; 41, transition piece; 42, lifting nut; 43, bearing with solid lubricant; 44, nut; 45, bevel gear; 46, locating sleeve; 47, gear shaft; 48, bevel gear; 49, blower fan; 50, electronic air quantity valve; 51, low temperature rectifier; 52, pressure transducer; 53, temperature sensor; 54, flowmeter; 55, high temperature rectifying device; 56, high-energy igniter; 57, firing chamber; 58, high temperature sensor; 59, port fuel; 60, high temperature sillometer; 61, detachable anti-high-temperature flue gas reflection unit; 62, nozzle; 63, eddy flow cup; 64, burner inner liner; 65, lighter; 66, nozzle oil-in.
Embodiment
Describe in detail according to the embodiment of the present invention below in conjunction with accompanying drawing.
As shown in drawings, a kind of large revolving body fire performance test platform, comprising: simulation heating device 2, real heating environment is provided, and flame size and heating-up temperature controllable; Measured piece pose is adjusted platform 3, and the installation locating interface of measured piece is provided, and implementation space five degree of freedom rotation and mobile, realizes relative tertiary location controllable, the attitude of real simulation measured piece in temperature field; Control system, the pose signal of Real-time Collection temperature and measured piece, and control in real time relevant sensitization parameter.
Simulation heating device 2, comprising: firing chamber 57, low temperature rectifier 51, high temperature rectifying device 55, blower fan 49 and air-supply pipeline etc., and described low temperature rectifier 51 adopts honeycomb, and high temperature rectifying device 55 adopts water-cooled stainless steel structure; Described TT&C system gathers the signals such as pressure, flow, temperature, and gas outlet temperature and speed are controlled by charge oil pressure and the coupling of electronic air-door actuator, and realize air feed and fuel feeding harmonious, make burning efficiency be not less than 99%, stable, pulse little.
As preferably, nozzle 62 designs adopt ripe swirl atomizer design, described firing chamber 57 adopts loopful firing chamber, produce equal heat less than single burner inner liner fuel consumption, and stable in given parameter area, parameter is easy to control, because stable pulsation is little, parameter is easy to control, therefore more real simulated fire scene, and extend its serviceable life.
As preferably, firing chamber 57 exports length of mixing and is designed to 1 meter, considered and used on-the-spot space constraint, ensure again the collimation of air stream outlet, and guarantee exit flow homogeneity, described firing chamber 57 walls and rectifier 55 adopt high temperature ceramic material, adopt heat-resistance stainless steel to add compared with the structure of cooling jacket with tradition, have greatly reduced energy loss; Combustor exit is designed with dismountable high-temperature fuel gas reflection unit that prevents, can ensure the collimation that combustion gas is flowed out, replacing for convenience detach again.
Measured piece pose is adjusted platform 3, total translational sideways movement, longitudinal translation motion, vertical direction translation motion, rotate and 5 degree of freedom of workpiece spin motion around vertical direction, realize real simulation workpiece and injection combustion gas and flame between relative position relation; Described transverse shifting assembly, vertically move assembly and vertical direction and move assembly and all adopt servomotor to add the linear drives mode that leading screw adds ball line slideway, it has the advantages such as integrated level is high, highly versatile, positioning precision is high, bearing capacity is large, described leading screw all adopts the TM33 screw thread with auto-lock function, facilitate position adjustment and make it at setting positive lock, ensure not occur ' slip car ' phenomenon after system cut-off; All design two remaining limit switches at stroke two ends, play stroke limit and protective effect.
Around vertical direction rotating assembly, comprise drive motor, gear train, spring bearing etc., described gear train is selected helical bevel gear speed reduction unit 48, and speed ratio is 5.41:1, so that steady transmission is arranged and realized in space.
Workpiece spin mechanism, comprises drive motor 8, speed reduction unit 9, driving shaft 24, mounting platform 23 and frock 22 etc., and drive motor 8 adopts brush DC buncher to drive, and adopts controlled stepless time adjustment mode, thereby adapts to the requirement of different solid of revolution rotating speed; As preferably, installing mechanism is designed to general dismounting form, according to different workpieces task needs, changes frock 22; Described mounting platform 23 is disc steel platform, has T-shaped groove on it, so that different workpieces is installed, location; Preferably, be designed with positioning tool 22 is installed on mounting platform 23, frock 22 adopts polytetrafluoroethylmaterial material, prevent from installing in position fixing process workpiece is produced to clashing and breaking, and teflon frock is made wedge structure, the convenient location of installing; Described drive motor output shaft end all installs photoelectric encoder additional, not only to realize position servo closed-loop control, signal can be returned to host computer again and carry out Real-time Feedback monitoring.
The working method of an illustrative embodiments of large revolving body fire performance test platform is as follows, also can otherwise work.
As shown in drawings, workpiece spin driving mechanism provides the mounting interface of workpiece, on mounting platform 23, by bolt, teflon frock 22 is installed to location, by the bolt in T-shaped groove on mobile mounting platform 23, ensure the right alignment between teflon frock 22 and main shaft 24, teflon frock 22 is made wedge structure, workpiece 11 is stuck in teflon frock 22 and this installation locator meams not only prevents from installing in position fixing process to workpiece generation clashing and breaking, and do not need to utilize the original mounting hole of workpiece, wearing and tearing or destruction to original mounting hole are avoided, also play workpiece 11 axle center positioning actions, the vibration of avoiding bias to cause, dissimilar workpiece only configures different frocks, employing frequency control drives, and its rotating speed can electrodeless adjusting within the scope of 0～1500rpm, according to the needs of actual condition, sets by controller the rotating speed that spins, motor transmits motion on main shaft by bevel gear 48 and drives workpiece spinning.
Set vent flow and the pressure of blower fan 49, start blower fan 49, fan blower 49 wind out, after motor regulated valve and fairing, arrives gas meter 54, to control the air quantity that enters firing chamber 57.After reaching igniting flow, automatically start oil pump, reach after igniting oil pressure, automatically open oil cut-off valve, be interrupted igniting simultaneously, be raised to after 200 DEG C until outlet temperature, close lighter 65, automatically first regulate oil pressure to preset temperature according to parameter preset, slightly regulate for the first time air mass flow to parameter preset direction again, now exit flow temperature can change, and then automatically regulate oil pressure to preset temperature, slightly regulate for the second time air mass flow to parameter preset direction again, and then automatically regulate oil pressure to preset temperature, slightly regulate for the third time air mass flow to parameter preset direction again, so circulation, until outlet temperature and speed all reach preset state.After this control respectively horizontal drive motor, vertical drive motor, vertical direction drive motor and electric rotating machine by controller and realize the setting to workpiece spatial pose, according to the requirement of actual condition, set workpiece spinning speed, tested solid of revolution is with certain spatial attitude and rotating speed, or/and test the fire-resistance property of its material in flame, and record corresponding sensitive parameter in combustion gas.
The present invention can be truly, simulated fire scene efficiently, and measured piece Temperature Distribution is controllable, location is installed very convenient, highly versatile, provide reference frame for fire-resistant revolving body workpieces in practical application, a whole set of mechanical system structure is ingenious, Highgrade integration, and installation location is very convenient, has the plurality of advantages such as opening, flexible design, precision height.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited to this, any be familiar with those skilled in the art the present invention disclose technical scope in; can expect easily changing or replacing, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of described claim.
Claims (6)
1. a large revolving body fire performance test platform, is characterized in that, comprising:
Simulation heating device, provides real heating environment, and flame size and heating-up temperature controllable;
Measured piece pose is adjusted platform, and the installation locating interface of measured piece is provided, and implementation space five degree of freedom rotation and mobile, realizes relative tertiary location controllable, the attitude of real simulation measured piece in temperature field;
Control system, the pose signal of Real-time Collection temperature and measured piece, and control in real time relevant sensitization parameter.
2. large revolving body fire performance test platform according to claim 1, it is characterized in that, simulation heating device, comprise: firing chamber, burner, low temperature rectifier, high temperature rectifying device, blower fan and air-supply pipeline etc., described low temperature rectifier adopts honeycomb, and high temperature rectifying device adopts water-cooled stainless steel structure; Described TT&C system gathers the signals such as pressure, flow, temperature, and gas outlet temperature and speed are controlled by charge oil pressure and the coupling of electronic air-door actuator, and realize air feed and fuel feeding harmonious, make burning efficiency be not less than 99%, stable, pulse little.
3. large revolving body fire performance test platform according to claim 1, it is characterized in that, designs of nozzles adopts ripe swirl atomizer design, described firing chamber adopts loopful firing chamber, produces equal heat less than single burner inner liner fuel consumption, and stable in given parameter area, parameter is easy to control, because stable pulsation is little, parameter is easy to control, therefore more real simulated fire scene, and extend its serviceable life.
4. large revolving body fire performance test platform according to claim 1, it is characterized in that, combustor exit length of mixing is designed to 1 meter, considered and used on-the-spot space constraint, ensured again the collimation of air stream outlet, and ensured exit flow homogeneity, described combustion chamber wall surface and rectifier adopt high temperature ceramic material, compared with the structure that adds cooling jacket with tradition employing heat-resistance stainless steel, greatly reduce energy loss; Combustor exit is designed with dismountable high-temperature fuel gas reflection unit that prevents, can ensure the collimation that combustion gas is flowed out, replacing for convenience detach again.
5. large revolving body fire performance test platform according to claim 1, it is characterized in that, measured piece pose is adjusted platform, total translational sideways movement, longitudinal translation motion, vertical direction translation motion, rotate and 5 degree of freedom of workpiece spin motion around vertical direction, realize real simulation workpiece and injection combustion gas and flame between relative position relation; Described transverse shifting assembly, vertically move assembly and vertical direction and move assembly and all adopt servomotor to add the linear drives mode that leading screw adds ball line slideway, described leading screw all adopts the TM33 screw thread with auto-lock function, facilitate position adjustment and make it at setting positive lock, ensure not occur ' slip car ' phenomenon after system cut-off; All design two remaining limit switches at stroke two ends, play stroke limit and protective effect; Described rotation gear train is selected helical bevel gear speed reduction unit, and speed ratio is 5.41:1, so that steady transmission is arranged and realized in space.
6. large revolving body fire performance test platform according to claim 1, is characterized in that, workpiece spin mechanism, comprise drive motor, speed reduction unit, driving shaft, mounting platform and frock etc., installing mechanism is designed to general dismounting form, according to different workpieces task needs, changes frock; Described mounting platform is disc steel platform, has T-shaped groove on it, so that different workpieces is installed, location; Preferably, be designed with installation positioning tool on mounting platform, frock adopts polytetrafluoroethylmaterial material, prevent from installing in position fixing process workpiece is produced to clashing and breaking, and teflon frock is made wedge structure, the convenient location of installing.
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| CN201410427825.1A CN104181190B (en) | 2014-08-27 | 2014-08-27 | Testing platform for fire resistance of large revolving body |
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| CN201410427825.1A CN104181190B (en) | 2014-08-27 | 2014-08-27 | Testing platform for fire resistance of large revolving body |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571968A (en) * | 2015-12-13 | 2016-05-11 | 中国飞机强度研究所 | Combined loading test device |
| CN106477495A (en) * | 2016-11-10 | 2017-03-08 | 安徽皖拓自动化有限公司 | A kind of novel traction device in valve refractory test |
| CN106645282A (en) * | 2016-10-09 | 2017-05-10 | 西安执锐工业系统工程有限责任公司 | Fire resistant material performance test bench |
| CN109580869A (en) * | 2018-12-25 | 2019-04-05 | 中国航空综合技术研究所 | The fire protecting performance test method and its test device of civil aircraft component and its attachment |
| CN109932383A (en) * | 2018-11-22 | 2019-06-25 | 江苏康姆罗拉特种陶瓷有限公司 | A kind of refractory filter for installation |
| CN113607432A (en) * | 2021-08-27 | 2021-11-05 | 中国航空工业集团公司上海航空测控技术研究所 | Revolving body testing device |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105571968A (en) * | 2015-12-13 | 2016-05-11 | 中国飞机强度研究所 | Combined loading test device |
| CN106645282A (en) * | 2016-10-09 | 2017-05-10 | 西安执锐工业系统工程有限责任公司 | Fire resistant material performance test bench |
| CN106477495A (en) * | 2016-11-10 | 2017-03-08 | 安徽皖拓自动化有限公司 | A kind of novel traction device in valve refractory test |
| CN106477495B (en) * | 2016-11-10 | 2018-10-23 | 安徽皖拓自动化有限公司 | A kind of draft gear in valve refractory test |
| CN109932383A (en) * | 2018-11-22 | 2019-06-25 | 江苏康姆罗拉特种陶瓷有限公司 | A kind of refractory filter for installation |
| CN109932383B (en) * | 2018-11-22 | 2024-06-04 | 康姆罗拉有限公司 | Refractory ceramic filter device |
| CN109580869A (en) * | 2018-12-25 | 2019-04-05 | 中国航空综合技术研究所 | The fire protecting performance test method and its test device of civil aircraft component and its attachment |
| CN113607432A (en) * | 2021-08-27 | 2021-11-05 | 中国航空工业集团公司上海航空测控技术研究所 | Revolving body testing device |
| CN113607432B (en) * | 2021-08-27 | 2023-10-20 | 中国航空工业集团公司上海航空测控技术研究所 | Revolving body testing device |
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| CN104181190B (en) | 2017-02-22 |
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