CN210803388U - Insulating material combustion test device - Google Patents
Insulating material combustion test device Download PDFInfo
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- CN210803388U CN210803388U CN201920995941.1U CN201920995941U CN210803388U CN 210803388 U CN210803388 U CN 210803388U CN 201920995941 U CN201920995941 U CN 201920995941U CN 210803388 U CN210803388 U CN 210803388U
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Abstract
The utility model discloses an insulating material combustion test device, which relates to the technical field of combustion performance detection equipment and comprises a box body, wherein a movable workbench and a combustor are arranged in the box body, and an opening and closing door is arranged on the side wall of the box body; the movable workbench comprises a chute track and a sliding plate, a plurality of traveling wheels are mounted on two sides of the sliding plate, and the sliding plate is connected with the chute track through the traveling wheels; the sliding plate is provided with a test bracket, and the test bracket is connected with a sample clamp; the burner is arranged below the sample clamp and is connected with the gas supply device; an air compressor and an oxygen generator are connected outside the box body in sequence. The device has simple structure and simple and convenient operation, and can be used for simulating the combustion condition of the insulating material in the plateau environment.
Description
Technical Field
The utility model relates to a combustion performance check out test set technical field, in particular to insulating material combustion test device.
Background
The converter transformer is one of key devices in a direct current transmission project, and the operation condition of the converter transformer is directly related to the safe and stable operation of a system. Besides the iron core and the winding, the converter transformer also comprises insulating components such as a wire outlet device, a bearing plate and the like, and the raw materials of the insulating components mainly comprise insulating materials such as insulating paper boards, epoxy resin, glass fiber reinforced plastics, silicon rubber and the like. The material and fire resistance of the insulating materials have great influence on the converter transformer fire, and the insulating materials with high flame retardant grade can effectively improve the fireproof capability of the converter transformer. Therefore, it is necessary to perform the combustion test of the converter transformer material and the evaluation work of the combustion grade.
In the combustion test process, the air pressure and the oxygen content of the environment where the sample is located have great influence on the combustion performance parameters of the insulating material, the converter transformer used in the plateau environment is installed, the air pressure and the oxygen content in the plateau environment must be considered in the process of carrying out the combustion test on the insulating material, and otherwise, the accuracy of the combustion performance evaluation structure of the insulating material is influenced. The prior art lacks a set of insulating material combustion test device for plateau environment.
Disclosure of Invention
Not enough to prior art, the utility model provides an insulating material combustion test device, simple structure, it is easy and simple to handle, insulating material burning condition under can being used to the simulation plateau environment.
In order to achieve the purpose, the utility model provides an insulating material combustion test device, which comprises a box body, wherein a movable workbench and a combustor are arranged in the box body, and an opening and closing door is arranged on the side wall of the box body; the movable workbench comprises a chute track and a sliding plate, a plurality of traveling wheels are mounted on two sides of the sliding plate, and the sliding plate is connected with the chute track through the traveling wheels; the sliding plate is provided with a test bracket, and the test bracket is connected with a sample clamp; the burner is arranged below the sample clamp and is connected with a gas supply device; an air compressor and an oxygen generator are sequentially connected outside the box body.
The insulating material combustion test device further comprises a sample clamp connected to the test support through a telescopic sleeve rod, wherein the telescopic sleeve rod comprises an inner rod and an outer sleeve, one end of the inner rod is fixedly connected with the test support, and the other end of the inner rod is in threaded connection with the outer sleeve.
The insulation material combustion test device as described above, further, the sample holder is hinged to one end of the outer sleeve.
In the insulating material combustion test apparatus, the sample holder is provided with an adjusting screw.
According to the insulating material combustion test device, the burner is connected with the box body through the fixing support, one end of the fixing support is movably connected with the burner, and the other end of the fixing support is fixedly connected to the bottom of the box body.
In the insulation material combustion test device, the side wall of the box body is provided with the observation window.
Compared with the prior art, the utility model, its beneficial effect lies in: the device has simple structure and simple and convenient operation, and can be used for simulating the combustion condition of the insulating material in the plateau environment; the sample and the burner fixing clamp are flexibly and conveniently adjusted; the movable workbench is arranged, so that the sample can be conveniently replaced and clamped.
Drawings
Fig. 1 is a schematic structural diagram of an insulation material combustion test apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the sample holder of FIG. 1;
FIG. 3 is a schematic view of another angle of the insulation material combustion test device;
FIG. 4 is a schematic view of a sample of insulation material as it is subjected to a horizontal burn test;
FIG. 5 is a schematic view of a sample of an insulating material subjected to a vertical burn test.
Wherein: 1. a box body; 101. opening and closing the door; 102. an observation window; 2. an oxygen generator; 3. an air-to-air compressor; 4. a test rack; 5. an insulating material sample; 6. a burner; 61. a flame end; 7. a gas supply; 8. a cotton pad; 9. moving the working table; 901. a chute track; 902. a sliding plate; 10. a telescopic loop bar; 1001. an inner rod; 1002. an outer sleeve; 11. a sample clamp; 1101. adjusting the screw; 12. fixing a bracket; 13. hinging the clamp; 14. and adjusting the screw.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example (b):
referring to fig. 1 to 5, an insulation material combustion test device comprises a box body 1, wherein a movable workbench 9 and a combustor 6 are arranged in the box body 1, and an opening and closing door 101 is arranged on the side wall of the box body 1; the movable workbench 9 comprises a chute track 901 and a sliding plate 902, a plurality of traveling wheels are installed on two sides of the sliding plate 902, and the sliding plate 902 is connected with the chute track 901 through the traveling wheels; the sliding plate 902 is provided with a test bracket 4, and the test bracket 4 is connected with a sample clamp 11; the burner 6 is arranged below the sample clamp 11 and is connected with the gas supply device 7; an air compressor and an oxygen generator 2 are sequentially connected outside the box body 1.
In specific implementation, a proper insulating material such as an insulating paperboard, epoxy resin, glass fiber reinforced plastic, silicon rubber and the like is selected, a rectangular insulating material sample 5 is manufactured according to the size requirement of the sample, the sliding plate 902 is moved out after the opening and closing door 101 is opened, one end of the insulating material sample 5 is fixed on the sample clamp 11 in the combustion test box, the sliding plate 902 is pushed back to enable the other end of the insulating material sample 5 to be close to the flame end 61 of the combustor 6, and the cotton pad 8 is placed right below the insulating material sample 5. According to the conditions of the altitude, the air pressure and the oxygen content of the installation position of the converter transformer, an air compressor and an oxygen generator 2 are adjusted, the air pressure and the oxygen content in a box body 1 are adjusted to the air pressure and the oxygen content of an insulating material sample 5 at the use altitude, a burner 6 is ignited, flame is applied to the free end of the insulating material sample 5, the conditions of the combustion time, the existence of particles or molten drops, the ignition of a cotton pad 8 and the like are observed and recorded according to a horizontal combustion test and a vertical combustion test, and the combustion performance of the converter transformer insulating material is evaluated according to the standard requirements and the index test results. The horizontal burning test is shown in fig. 4, the insulating material sample 5 is horizontally fixed to the bottom of the case 1, and the vertical burning test is shown in fig. 5, the insulating material sample 5 is vertically fixed to the bottom of the case 1. The device provided by the utility model has simple structure and simple operation, and can be used for simulating the combustion condition of the insulating material in the plateau environment; the movable table 9 is provided to facilitate replacement and holding of the insulating material sample 5.
Further, the sample clamp 11 is connected to the test support 4 through a telescopic sleeve 10, the telescopic sleeve 10 comprises an inner rod 1001 and an outer sleeve 1002, one end of the inner rod 1001 is fixedly connected with the test support 4, and the other end of the inner rod 1001 is in threaded connection with the outer sleeve 1002. When a vertical combustion test is performed, the outer sleeve 1002 is rotated in a direction away from the test support 4; when a horizontal combustion test is carried out, the outer sleeve 1002 is rotated towards the direction close to the test support 4, and the insulating material sample 5 and the combustor 6 are conveniently matched for use through the adjustment; preferably, the sample holder 11 is hinged to one end of the outer sleeve 1002, and the horizontal and vertical fixing of the insulating material sample 5 can be achieved by adjusting the hinged sample holder 11. Further, in order to adjust the tightness of the insulating material sample 5 in the sample holder 11, an adjusting screw 1101 is provided on the sample holder 11.
Further, the burner 6 is connected with the box body 1 through a fixing support 12, one end of the fixing support 12 is movably connected with the burner 6, and the other end of the fixing support is fixedly connected with the bottom of the box body 1. The embodiment provides a preferable fixing mode of the combustor 6, specifically, the combustor 6 is hinged with the upper end of the fixing support 12 through a hinged clamp 13, an adjusting screw 14 for adjusting the clamping tightness is arranged on the hinged clamp 13, and the adjustment of the combustor 6 within a certain angle can be realized through adjusting the hinged part.
Further, the side wall of the box body 1 is provided with an observation window 102 for observing the test progress.
The utility model has the advantages that: the device has simple structure and simple and convenient operation, and can be used for simulating the combustion condition of the insulating material in the plateau environment; the sample and the burner fixing clamp are flexibly and conveniently adjusted; the movable workbench is arranged, so that the sample can be conveniently replaced and clamped.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (6)
1. The insulating material combustion test device is characterized by comprising a box body (1), wherein a movable workbench (9) and a combustor (6) are arranged in the box body (1), and an opening and closing door (101) is arranged on the side wall of the box body (1); the movable workbench (9) comprises a chute track (901) and a sliding plate (902), a plurality of traveling wheels are mounted on two sides of the sliding plate (902), and the sliding plate (902) is connected with the chute track (901) through the traveling wheels; a test bracket (4) is arranged on the sliding plate (902), and a sample clamp (11) is connected to the test bracket (4); the burner (6) is arranged below the sample clamp (11) and is connected with a gas supply device (7); an air compressor and an oxygen generator (2) are sequentially connected outside the box body (1).
2. The insulation material combustion test device according to claim 1, characterized in that the sample clamp (11) is connected to the test support (4) through a telescopic sleeve rod (10), the telescopic sleeve rod (10) comprises an inner rod (1001) and an outer sleeve (1002), one end of the inner rod (1001) is fixedly connected with the test support (4), and the other end of the inner rod (1001) is in threaded connection with the outer sleeve (1002).
3. Insulation material combustion test device according to claim 2, characterized in that the sample holder (11) is hinged to one end of the outer sleeve (1002).
4. Insulation material burning test device according to claim 1, characterized in that the sample holder (11) is provided with an adjusting screw (1101).
5. The insulation material burning test device according to claim 1, wherein the burner (6) is connected with the box body (1) through a fixed support (12), one end of the fixed support (12) is movably connected with the burner (6), and the other end is fixedly connected with the bottom of the box body (1).
6. Insulation material burning test unit according to claim 1, characterized in that the side walls of the box (1) are provided with observation windows (102).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995941.1U CN210803388U (en) | 2019-06-28 | 2019-06-28 | Insulating material combustion test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920995941.1U CN210803388U (en) | 2019-06-28 | 2019-06-28 | Insulating material combustion test device |
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| Publication Number | Publication Date |
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| CN210803388U true CN210803388U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920995941.1U Active CN210803388U (en) | 2019-06-28 | 2019-06-28 | Insulating material combustion test device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376329A (en) * | 2019-06-28 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of change of current change insulating materials corrosion chamber and method of consideration altitude environment |
| CN112305145A (en) * | 2020-10-30 | 2021-02-02 | 中国民用航空总局第二研究所 | Combustion spreading test device and test method thereof |
-
2019
- 2019-06-28 CN CN201920995941.1U patent/CN210803388U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110376329A (en) * | 2019-06-28 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of change of current change insulating materials corrosion chamber and method of consideration altitude environment |
| CN112305145A (en) * | 2020-10-30 | 2021-02-02 | 中国民用航空总局第二研究所 | Combustion spreading test device and test method thereof |
| CN112305145B (en) * | 2020-10-30 | 2022-07-19 | 中国民用航空总局第二研究所 | Combustion spreading test device and test method thereof |
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