CN219590257U - Stair railing burning test device - Google Patents
Stair railing burning test device Download PDFInfo
- Publication number
- CN219590257U CN219590257U CN202320268388.8U CN202320268388U CN219590257U CN 219590257 U CN219590257 U CN 219590257U CN 202320268388 U CN202320268388 U CN 202320268388U CN 219590257 U CN219590257 U CN 219590257U
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- China
- Prior art keywords
- stair railing
- mounting seat
- fixing block
- sample
- fixing device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B50/00—Energy efficient technologies in elevators, escalators and moving walkways, e.g. energy saving or recuperation technologies
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- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The utility model discloses a stair railing combustion test device which comprises a bracket, a sample fixing device and a simulated fire source burner, wherein the sample fixing device is arranged on the bracket and used for clamping a stair railing to be tested, and the interval between the simulated fire source burner and the bracket is adjustable; the sample fixing device comprises a mounting seat and a first fixing block which are fixedly connected with each other, the mounting seat is in sliding connection with the support in the vertical direction, a first interval for accommodating the stair railing to be tested is arranged between the first fixing block and the mounting seat, and the length of the first interval is adjustable. This scheme simple structure and when carrying out the test the used stair railing sample total amount less, only need with a stair railing install on the support can, greatly reduced test cost, simultaneously, because the required stair railing sample is less when testing for the combustion process is comparatively environmental protection.
Description
Technical Field
The utility model belongs to the field of test devices, and particularly relates to a stair railing combustion test device.
Background
At present, for the combustion test of stair railing products, high-precision complex analysis equipment is often required to be matched, and when in single combustion test, the related test is required to be carried out by assembling an integral sample simulation corner fire with the width of 1.5m multiplied by 1.0m and the width of 1.5m multiplied by 0.5m, and the test technology has the advantages of large required sample amount, high cost and unfavorable development of engineering detection and acceptance work. And the range of each combustion is large, the amount of generated smoke is also large, and the emission of the smoke has a certain negative effect on environmental protection, so that the development of environmental protection work is not facilitated.
Therefore, a new technology is needed to solve the problems of complex structure, high combustion test cost and non-environmental protection in the combustion process of the experimental device in the prior art.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model provides a stair railing combustion test device which has the effects of simple structure, low combustion test and relatively environmental protection in the combustion process.
The utility model adopts the following technical scheme:
the stair railing combustion test device comprises a bracket, a sample fixing device and a simulated fire source burner, wherein the sample fixing device is arranged on the bracket and used for clamping a stair railing to be tested, and the interval between the simulated fire source burner and the bracket is adjustable;
the sample fixing device comprises a mounting seat and a first fixing block which are fixedly connected with each other, the mounting seat is in sliding connection with the support in the vertical direction, a first interval for accommodating the stair railing to be tested is arranged between the first fixing block and the mounting seat, and the length of the first interval is adjustable.
As a further improvement of the technical scheme of the utility model, the bracket comprises a vertical column which is arranged vertically, and the mounting seat is arranged in a hollow way and is sleeved outside the vertical column in a sliding way;
the sample fixing device further comprises a fastener, and the fastener penetrates through the mounting seat to be in abutting connection with the upright post.
As a further improvement of the technical scheme of the utility model, the support further comprises a base, the bottom end of the upright post is fixedly connected with the base, the simulated fire source burner is fixedly arranged on the base, and the interval between the simulated fire source burner and the upright post is adjustable.
As a further improvement of the technical scheme of the utility model, the simulated fire source burner is a sand box burner.
As a further improvement of the technical scheme of the utility model, the base is a calcium silicate board.
As a further improvement of the technical scheme of the utility model, the thickness of the base is 5-18 mm.
As a further improvement of the technical scheme of the utility model, the sample fixing device further comprises a connecting piece, one end of the connecting piece is fixedly connected with the fixing block, and the other end of the connecting piece is fixedly connected with the mounting seat.
As a further improvement of the technical scheme of the utility model, the sample fixing device further comprises a second fixing block, one side of the second fixing block is fixedly connected with the mounting seat, a threaded hole is formed in the other side of the second fixing block, and the connecting piece is in threaded connection with the second fixing block through the threaded hole.
Compared with the prior art, the utility model has the beneficial effects that:
the sample fixing device is arranged on the support and used for clamping the stair railing to be tested, during the test, the position of the mounting seat relative to the support in the vertical direction can be adjusted to adjust the height of the sample fixing device and the height of the stair railing to be tested in the vertical direction, the stair railing to be tested is arranged between the first fixing block and the mounting seat, the first fixing block and the mounting seat are mutually close to clamp the stair railing to be tested, the stair railing combustion test device of the scheme is simple in structure, the stair railing combustion test device is fixed on the support and can simulate an actual application scene, the stair railing combustion test device does not need to be assembled into an integral sample simulation corner fire with the width of 1.5m and the width of 1.5m, the overall sample simulation corner fire with the height of 1.5m is 0.5m, and the stair railing combustion test device of the scheme is less in total stair railing sample amount during the test, only one stair railing is required to be arranged on the support, the test cost is greatly reduced, and meanwhile, the required stair railing sample is less during the test, the combustion process is environment-friendly.
Drawings
The technology of the present utility model will be described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic illustration of the present utility model in use;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a top view of the sample fixture;
FIG. 4 is a side view of the sample fixture;
fig. 5 is a front view of the sample holder.
Reference numerals:
1-a bracket; 11-stand columns; 12-a base;
2-sample fixing means; 21-a mounting base; 22-a first fixed block; 23-fasteners; 24-connecting piece; 25-a second fixed block;
3-simulating a fire source burner;
4-stair railing to be measured.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
It should be noted that, unless otherwise specified, when a feature is referred to as being "fixed" or "connected" to another feature, it may be directly or indirectly fixed or connected to the other feature. Further, the descriptions of the upper, lower, left, right, etc. used in the present utility model are merely with respect to the mutual positional relationship of the constituent elements of the present utility model in the drawings.
Referring to fig. 1 to 5, a stair railing combustion test device comprises a support 1, a sample fixing device 2 and a simulated fire source burner 3, wherein the sample fixing device 2 is installed on the support 1 and used for clamping a stair railing to be tested, the height of the sample fixing device 2 in the vertical direction is adjustable, and the interval between the simulated fire source burner 3 and the support 1 is adjustable. The sample fixing device 2 comprises a mounting seat 21 and a first fixing block 22 which are fixedly connected with each other, the mounting seat 21 is in sliding connection with the support 1 in the vertical direction, the height of the mounting seat 21 in the vertical direction is adjustable, and the height of the sample fixing device 2 in the vertical direction can be adjusted by adjusting the position of the mounting seat 21 relative to the support 1 in the vertical direction. A first space for accommodating the stair railing to be tested is arranged between the first fixing block 22 and the mounting seat 21, and the length of the first space is adjustable. In the test, the stair railing to be tested is located between the first fixing block 22 and the mounting seat 21, and the first fixing block 22 and the mounting seat 21 are close to each other so as to clamp the stair railing to be tested. According to the stair railing combustion test device, the structure is simple, the stair railing combustion test device is fixed on the support 1, an actual application scene can be simulated, a whole sample simulation corner fire with the width of 1.5m and the height of 1.5m and the width of 0.5m is not required to be assembled for combustion test, the total amount of stair railing samples used in the stair railing combustion test device in the scheme is less in the test, only one stair railing is required to be installed on the support 1, the test cost is greatly reduced, and meanwhile, the required stair railing samples are less in the test, so that the combustion process is more environment-friendly.
Specifically, the bracket 1 includes a vertical column 11 that is vertically disposed, and the mounting seat 21 is disposed in a hollow manner and is slidably sleeved on the outer side of the column 11. The sample fixing device 2 further comprises a fastener 23, the fastener 23 is abutted and fixed with the upright 11 through the mounting seat 21, and the fastener 23 can be preferably a bolt. In the test, the fastener 23 is screwed after the position of the mount 21 in the vertical direction is adjusted, and the mount 21 is fixed to the column 11 of the bracket 1.
Specifically, the bracket 1 further comprises a base 12, and the base 12 can be preferably a calcium silicate plate with a thickness of 5-18 mm. The bottom end of the upright post 11 is fixedly connected with the base 12, the simulated fire source burner 3 is fixedly installed on the base 12, and the interval between the simulated fire source burner 3 and the upright post 11 is adjustable.
Specifically, the simulated fire source burner 3 is a sand box burner. The sand box burner is made of steel, sand is filled in the sand box burner, the opening of the sand box burner is square, the area of the opening is 0.03-0.1 m < 2 >, and the depth of a combustion disc of the sand box burner is 0.14-0.15 m.
Specifically, the sample fixing device 2 further includes a connecting piece 24, one end of the connecting piece 24 is fixedly connected with the fixing block, the other end of the connecting piece is fixedly connected with the mounting seat 21 through threads, and the connecting piece 24 is used for connecting the fixing block with the mounting seat 21.
Specifically, the sample fixing device 2 further includes a second fixing block 25, one side of the second fixing block 25 is fixedly connected with the mounting seat 21, a threaded hole is formed in the other side of the second fixing block, the connecting piece 24 is in threaded connection with the second fixing block 25 through the threaded hole, and the threaded hole can be conveniently formed in the second fixing block 25. During testing, the stair railing to be tested is placed between the first fixing block 22 and the second fixing block 25, after the angle of the stair railing to be tested is adjusted, the knob connecting piece 24 enables the first fixing block 22 to be close to the second fixing block 25, and the first fixing block 22 and the second fixing block 25 clamp and fix the stair railing to be tested together, so that the stair railing to be tested is fixed on the support 1.
When the stair railing combustion test device adopting the scheme is used for testing, the test steps are as follows:
s1, a marking line is made at a position 600mm away from a fire receiving end of a sample of the stair railing 4 to be tested, the stair railing of the sample to be tested is fixed on a support 1 for testing through a sample fixing device 2, and the height and the inclination angle of the sample are adjusted.
S2, placing the sand box combustion burner under the fire receiving end of the sample of the stair railing 4 to be tested, wherein the height of the fire receiving end of the stair railing 4 to be tested from the upper surface of the sand box combustion surface is 0.8 m-1.15 m.
S3, connecting the sand box burner and the pilot lamp with a gas pipeline, igniting the pilot lamp and placing the pilot lamp on the sand box burner, starting gas to enable the sand box burner to burn for 10 minutes, wherein. The fuel gas is propane with the purity of 95 percent, and the output power of the sand box burner is 10-50kW.
S4, continuously observing the combustion condition in the test process, and observing whether the flame spreading distance reaches the marking line.
And S5.10min later, closing the fuel gas, and measuring and recording the length of flame spread after cooling after the flame of the sand box burner and the stair railing of the tested sample is completely extinguished.
S6, repeating the steps S1 to S6 twice, judging whether the combustion performance of the stair railing of the tested sample meets the requirement according to the length of flame spread, wherein the combustion performance of the stair railing is judged to be unqualified when the length of flame spread exceeds 600mm,
the stair railing burning test device of this scheme is when using, can judge whether the combustion performance is qualified through the length that flame spread, does not need the cooperation to use the complex analytical equipment of high accuracy, and the structure is simpler, easy and simple to handle during the test.
Other contents of the stair railing combustion test device described in the utility model refer to the prior art, and are not described herein.
The present utility model is not limited to the preferred embodiments, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical proposal of the present utility model.
Claims (8)
1. A stair railing burning test device which is characterized in that: the device comprises a bracket, a sample fixing device and a simulated fire source burner, wherein the sample fixing device is arranged on the bracket and used for clamping a stair railing to be tested, and the interval between the simulated fire source burner and the bracket is adjustable;
the sample fixing device comprises a mounting seat and a first fixing block which are fixedly connected with each other, the mounting seat is in sliding connection with the support in the vertical direction, a first interval for accommodating the stair railing to be tested is arranged between the first fixing block and the mounting seat, and the length of the first interval is adjustable.
2. The stair railing combustion test apparatus of claim 1, wherein: the support comprises a vertical column which is vertically arranged, and the mounting seat is arranged in a hollow mode and is sleeved on the outer side of the vertical column in a sliding mode;
the sample fixing device further comprises a fastener, and the fastener penetrates through the mounting seat to be in abutting connection with the upright post.
3. The stair railing combustion test apparatus of claim 2, wherein: the support still includes the base, the stand bottom with base fixed connection, simulation fire source combustor fixed mounting is in on the base, simulation fire source combustor with the interval between the stand is adjustable.
4. A stair railing combustion test apparatus according to claim 3, wherein: the simulated fire source burner is a sand box burner.
5. A stair railing combustion test apparatus according to claim 3, wherein: the base is a calcium silicate board.
6. The stair railing combustion test apparatus of claim 5, wherein: the thickness of the base is 5 mm-18 mm.
7. The stair railing combustion test apparatus of claim 1, wherein: the sample fixing device further comprises a connecting piece, one end of the connecting piece is fixedly connected with the fixing block, and the other end of the connecting piece is fixedly connected with the mounting seat.
8. The stair railing combustion test apparatus of claim 7, wherein: the sample fixing device further comprises a second fixing block, one side of the second fixing block is fixedly connected with the mounting seat, a threaded hole is formed in the other side of the second fixing block, and the connecting piece is in threaded connection with the second fixing block through the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268388.8U CN219590257U (en) | 2023-02-20 | 2023-02-20 | Stair railing burning test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320268388.8U CN219590257U (en) | 2023-02-20 | 2023-02-20 | Stair railing burning test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219590257U true CN219590257U (en) | 2023-08-25 |
Family
ID=87695650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320268388.8U Active CN219590257U (en) | 2023-02-20 | 2023-02-20 | Stair railing burning test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219590257U (en) |
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2023
- 2023-02-20 CN CN202320268388.8U patent/CN219590257U/en active Active
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