CN102879520A - Flame spreading combustion test device - Google Patents
Flame spreading combustion test device Download PDFInfo
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- CN102879520A CN102879520A CN2012103894223A CN201210389422A CN102879520A CN 102879520 A CN102879520 A CN 102879520A CN 2012103894223 A CN2012103894223 A CN 2012103894223A CN 201210389422 A CN201210389422 A CN 201210389422A CN 102879520 A CN102879520 A CN 102879520A
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Abstract
The invention relates to a flame spreading combustion test device, which comprises a specimen adjustment system and a combustor control system. The specimen adjustment system comprises a left hand wheel which is fixedly connected with a left horizontal shaft. The left horizontal shaft is connected with a left perpendicular shaft through a first bevel gear pair. The left perpendicular shaft is connected with a left lead screw through a cross shaft coupling. A left nut is sleeved on the left lead screw. A specimen fixture is fixed on the left nut. The combustor control system comprises a right hand wheel which is fixedly connected with a right horizontal shaft. The right horizontal shaft is connected with a right perpendicular shaft through a second bevel gear pair. The right perpendicular shaft is connected with a right lead screw through a third bevel gear pair. A right nut is sleeved on the right lead screw, and is fixed at the bottom of a combustor seat. A rotating shaft is arranged on the upper end part of the combustor seat, and is fixedly connected with a combustor. One end of the rotating shaft is fixedly connected with one end of a rotating arm of which the other end is movably matched with a guide groove on a bracket. The device is easy to operate, low in manufacture cost and high in test accuracy.
Description
Technical field
The present invention relates to fire hazard testing equipment field, relate in particular to the fire hazard test unit of combustible material.
Background technology
The propagation of flame burning test is mainly used to evaluate the fire hazard of electrotechnical, electronic parts and element, solid insulating material or other combustible materials.For example according to the regulation of standard GB/T21762-2008/IEC61537:2006, need to carry out flame spread test to the material of cable tray, examine its fire resistance.In order to guarantee the accuracy of propagation of flame burning test, this project there is following requirement: 1, the flame of sample and burner is in the state of standard-required all the time; 2, the flame temperature of burner is in the standard-required scope.
Be used at present the device complicated operation of flame spread test, manufacturing cost is high, and the test accuracy that can reach is low.
Summary of the invention
The present invention is directed to above-mentioned shortcoming of the prior art, a kind of propagation of flame corrosion chamber is provided, simple to operate, low cost of manufacture, the test accuracy is high.
The technical solution adopted in the present invention is as follows:
The propagation of flame corrosion chamber comprises sample regulating system, burner control system; Described sample regulating system comprises the left hand wheel, and the left hand wheel is fixedly connected with left transverse axis, and left transverse axis is connected with left Z-axis by the first bevel gear pair, and left Z-axis is connected with left leading screw by the cross shaft joint; Cover has left nut, specimen holder to be fixed on the left nut on the left leading screw; Described burner control system comprises right hand wheel, right hand wheel is fixedly connected with right transverse axis, right transverse axis is connected with right Z-axis by the second bevel gear pair, right Z-axis is connected with right leading screw by the triconodont wheel set, cover has right nut on the right leading screw, right nut is fixed on the bottom of burner seat, and the upper end of burner seat is provided with rotating shaft, and rotating shaft is fixedly connected with burner; One end of rotating shaft is fixedly connected with an end of pivoted arm; The other end of pivoted arm cooperates with the gathering sill on the support is movable;
Further technical scheme is:
The top that is positioned at burner on the described internal rack is provided with the demarcation copper billet;
Described gathering sill right part downward bending, the angle of described bending part are 135 degree;
Described demarcation copper billet is provided with thermopair;
The invention has the advantages that: the high and low position of specimen holder can be regulated by leading screw, and the flame temperature of burner can detect and demarcate by demarcating copper billet, accuracy that can warranty test, and also simple to operate.Can make the working position of burner and detect the convenient conversion of calibration position by pivoted arm and guide groove structure.
Description of drawings
Fig. 1 is front view of the present invention.
Fig. 2 is the partial enlarged drawing at C place among Fig. 1.
Fig. 3 is the A-A cut-open view of Fig. 1.
Fig. 4 is the B-B cut-open view of Fig. 1.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
Such as Fig. 1, Fig. 2, Fig. 3, shown in Figure 4 the present invention includes sample regulating system, burner control system; Described sample regulating system comprises left hand wheel 7, and left hand wheel 7 is fixedly connected with left transverse axis 8, and left transverse axis 8 is connected with left Z-axis 6 by the first bevel gear pair 9, and left Z-axis 6 passes through cross shaft joint 5 and is connected with left leading screw 4; Cover has left nut 3, specimen holder 2 to be fixed on the left nut 3 on the left leading screw 4; By rotating left hand wheel 7, can adjusting sample anchor clamps 2 on the vertical height of sample 1, make sample 1 remain that the flame with burner 21 is in the state of standard-required, the accuracy of warranty test; Described burner control system comprises right hand wheel 12, right hand wheel 12 is fixedly connected with right transverse axis 11, right transverse axis 11 is connected with right Z-axis 13 by the second bevel gear pair 10, right Z-axis 13 is connected with right leading screw 15 by triconodont wheel set 14, cover has right nut 16 on the right leading screw 15, and right nut 16 is fixed on the bottom of burner seat 17; The upper end of burner seat 17 is provided with rotating shaft 20, and rotating shaft 20 is fixedly connected with burner 21; Rotating shaft 20 also is fixedly connected with an end of pivoted arm 18; Burner 21, pivoted arm 18 can turn an angle centered by rotating shaft 20 simultaneously, as shown in Figure 1 and Figure 2; 19 movable cooperations of gathering sill on the other end of pivoted arm 18 and the support, gathering sill 19 right part downward bendings, the angle of described bending part is 135 degree, when 21 pairs of samples 1 of burner were tested, burner 21 can be spent from the horizontal by 45; The top that is positioned at burner 21 on the internal rack is provided with demarcates copper billet 22, demarcate in the copper billet 22 and be provided with thermopair, burner 21 adjust to demarcate copper billet 22 under the time, because the effect of gathering sill 19, burner 21 is vertical state, demarcating copper billet 22 can demarcate the flame of burner 21, and the flame of assurance burner 21 is the Pass Test standard-required all the time;
Use operating process of the present invention is as follows:
The first step as shown in figures 1 and 3, is installed to sample 1 on the specimen holder 2, and rotation left hand wheel 7 is by left transverse axis 8, the first bevel gear pairs 9, and left Z-axis 6 and left leading screw 4 adjusting samples 1 are at the height of vertical direction;
Second step, as shown in Figure 1 and Figure 4, rotation right hand wheel 12 rotates the second bevel gear pair 10 by right transverse axis 11 and drives right Z-axis 13 rotations, drive right leading screw 15 by triconodont wheel set 14 again and regulate burner seat 17 position in the horizontal direction, when burner seat 17 close sample 1, because pivoted arm 18 and gathering sill 19 are movable cooperations, the other end of pivoted arm 18 turns an angle centered by rotating shaft 20, make burner 21 be in the squint state, this moment, flame can contact with sample 1;
The 3rd step, again rotate right hand wheel 12, burner seat 17 is adjusted to the below of demarcating copper billet 22, this moment, pivoted arm 18 all was in vertical state with burner 21, can demarcate to the flame temperature of burner 21 accuracy of warranty test.
More than describing is explanation of the invention, is not that limited range of the present invention within protection scope of the present invention, can be done any type of modification referring to claim to the restriction of invention.
Claims (4)
1. the propagation of flame corrosion chamber comprises sample regulating system, burner control system; It is characterized in that: described sample regulating system comprises left hand wheel (7), left hand wheel (7) is fixedly connected with left transverse axis (8), left transverse axis (8) is connected with left Z-axis (6) by the first bevel gear pair (9), and left Z-axis (6) is connected with left leading screw (4) by cross shaft joint (5); The upper cover of left leading screw (4) has left nut (3), specimen holder (2) to be fixed on the left nut (3); Described burner control system comprises right hand wheel (12), right hand wheel (12) is fixedly connected with right transverse axis (11), right transverse axis (11) is connected with right Z-axis (13) by the second bevel gear pair (10), right Z-axis (13) is connected with right leading screw (15) by triconodont wheel set (14), the upper cover of right leading screw (15) has right nut (16), right nut (16) is fixed on the bottom of burner seat (17), the upper end of burner seat (17) is provided with rotating shaft (20), and rotating shaft (20) is fixedly connected with burner (21); One end of rotating shaft (20) is fixedly connected with an end of pivoted arm (18); The other end of pivoted arm (18) cooperates with the gathering sill (19) on the support is movable.
2. propagation of flame corrosion chamber as claimed in claim 1, it is characterized in that: the top that is positioned at burner (21) on the internal rack is provided with demarcates copper billet (22).
3. propagation of flame corrosion chamber as claimed in claim 1, it is characterized in that: gathering sill (19) right part downward bending, the angle of described bending part are 135 degree.
4. propagation of flame corrosion chamber as claimed in claim 2 is characterized in that: demarcate copper billet (22) and be provided with thermopair.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103894223A CN102879520A (en) | 2012-10-15 | 2012-10-15 | Flame spreading combustion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103894223A CN102879520A (en) | 2012-10-15 | 2012-10-15 | Flame spreading combustion test device |
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| CN102879520A true CN102879520A (en) | 2013-01-16 |
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| CN2012103894223A Pending CN102879520A (en) | 2012-10-15 | 2012-10-15 | Flame spreading combustion test device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103792318B (en) * | 2013-04-24 | 2015-11-25 | 中国计量学院 | A kind of thermoplastic fire spread behavioral experiment proving installation |
| CN106324182A (en) * | 2016-10-28 | 2017-01-11 | 中国科学技术大学 | Device for automatically stabilizing space position of counterflow flame propagation front of solid material |
| CN106801871A (en) * | 2017-03-29 | 2017-06-06 | 河南检亿科技有限公司 | Vertical extension machine burner position adjusting apparatus |
| CN106814098A (en) * | 2017-03-29 | 2017-06-09 | 河南检亿科技有限公司 | Single insulated wire cable flame vertical spreads test instrument |
| CN107576753A (en) * | 2017-09-18 | 2018-01-12 | 东北大学 | Surface angle the test device and method of Spread Characteristics affecting laws to dust layer |
| CN110044961A (en) * | 2019-04-23 | 2019-07-23 | 东北大学 | A kind of observation experiment device and method of dust layer fire spread behavior |
| CN110596188A (en) * | 2019-10-29 | 2019-12-20 | 中国民用航空总局第二研究所 | Composite material flame spread testing device and testing method |
| CN113740481A (en) * | 2021-09-24 | 2021-12-03 | 山东省产品质量检验研究院 | Automatic testing device for flame retardant property of protective boots for firemen and using method |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103792318B (en) * | 2013-04-24 | 2015-11-25 | 中国计量学院 | A kind of thermoplastic fire spread behavioral experiment proving installation |
| CN106324182A (en) * | 2016-10-28 | 2017-01-11 | 中国科学技术大学 | Device for automatically stabilizing space position of counterflow flame propagation front of solid material |
| CN106324182B (en) * | 2016-10-28 | 2019-04-05 | 中国科学技术大学 | A kind of solid material counter-flow flame sprawling forward spatial position is stayed automatically determines device |
| CN106801871A (en) * | 2017-03-29 | 2017-06-06 | 河南检亿科技有限公司 | Vertical extension machine burner position adjusting apparatus |
| CN106814098A (en) * | 2017-03-29 | 2017-06-09 | 河南检亿科技有限公司 | Single insulated wire cable flame vertical spreads test instrument |
| CN106814098B (en) * | 2017-03-29 | 2023-04-25 | 河南检亿科技有限公司 | Flame vertical spreading tester for single insulated wire and cable |
| CN107576753A (en) * | 2017-09-18 | 2018-01-12 | 东北大学 | Surface angle the test device and method of Spread Characteristics affecting laws to dust layer |
| CN110044961A (en) * | 2019-04-23 | 2019-07-23 | 东北大学 | A kind of observation experiment device and method of dust layer fire spread behavior |
| CN110044961B (en) * | 2019-04-23 | 2021-09-07 | 东北大学 | Device and method for observing and testing fire spreading behavior of dust layer |
| CN110596188A (en) * | 2019-10-29 | 2019-12-20 | 中国民用航空总局第二研究所 | Composite material flame spread testing device and testing method |
| CN110596188B (en) * | 2019-10-29 | 2022-07-19 | 中国民用航空总局第二研究所 | Composite material flame spread testing device and testing method |
| CN113740481A (en) * | 2021-09-24 | 2021-12-03 | 山东省产品质量检验研究院 | Automatic testing device for flame retardant property of protective boots for firemen and using method |
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Application publication date: 20130116 |