CN211927817U

CN211927817U - Building material fire resistance detection device

Info

Publication number: CN211927817U
Application number: CN202020616794.5U
Authority: CN
Inventors: 王秀秀; 王光秀; 刘星星
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-11-13
Anticipated expiration: 2030-04-22

Abstract

The utility model provides a building material fire resistance detection device relates to building material and detects technical field, including the test box, two horizontally baffle A of test box in-connection and baffle B fall into three layer construction with the test box inside, be fixed with annular support section of thick bamboo on the baffle A, a plurality of through-hole has been seted up on the support section of thick bamboo lateral wall, support section of thick bamboo inner wall and rotate the sleeve that is connected with the looks adaptation, baffle B is located baffle A below, the sleeve bottom pass baffle A and with rotate on baffle B, baffle B below is provided with some firearms, the flame that some firearms produced passes baffle A, baffle B stretches to the model face that awaits measuring on. Set up supporting cylinder and sleeve in the detection case, some firearm settings are in the sleeve below, and the flame of some firearm contacts with the model face that supports in the section of thick bamboo slot, can carry out the surface ignition test to the model, and the flame of some firearm is scurried out from the through-hole of supporting cylinder lateral wall upper portion and can be carried out the edge ignition test to the model corner, comes the ignition nature of test model.

Description

Building material fire resistance detection device

Technical Field

The utility model relates to a building material detects technical field, especially relates to building material fire resistance detection device.

Background

With the progress of times, the development of economy and the expansion of cities, more and more high-rise buildings stand up, and the fire safety problem which cannot be ignored follows. The high-rise building itself is like high-rise chimney, the fire spread is very rapid, and the mechanical manufacturing of the aerial ladder can not catch up with the development of high-rise, once the fire breaks out, the loss is very large. Therefore, many high-rise buildings are constructed using building materials having fire-retardant properties to prevent the spread of fire and to win rescue time, and the fire-retardant materials reduce the generation of toxic smoke and to reduce casualties.

The existing various flame-retardant building materials in the market have different material qualities, and the flame retardant performance of the materials needs to be detected after the development of novel product materials, including the detection of the ignition property, flammability, fire resistance and other items of the materials, so that a detection device needs to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a building material fire resistance detection device to solve above-mentioned technical problem.

The utility model discloses a solve above-mentioned technical problem, adopt following technical scheme to realize: building material fire resistance detection device, including the test box, two horizontally baffle A of test box in-connection and baffle B fall into three layer construction with the test box inside, be fixed with annular support section of thick bamboo on the baffle A, the model that awaits measuring slides and puts on supporting a section of thick bamboo, a plurality of through-hole has been seted up on the support section of thick bamboo lateral wall, the rotation of support section of thick bamboo inner wall is connected with the sleeve of looks adaptation, baffle B is located baffle A below, the sleeve bottom pass baffle A and with rotate on baffle B, baffle B below is provided with some firearms, the flame that some firearms produced passes baffle A, baffle B and stretches to await measuring on the model face.

Preferably, the top surface of the supporting cylinder is provided with a slot, the side wall of the test box is provided with an opening and is located at the same height as the slot, the through holes are annularly and uniformly distributed on the outer wall of the supporting cylinder, the through holes of the upper part and the lower part of the side wall of the supporting cylinder are distributed in a staggered manner, the same through holes are also annularly distributed on the side wall of the sleeve, and the sleeve rotates to plug part of the through holes on the supporting cylinder.

Preferably, the sleeve sets up to upper and lower open-ended structure, all set up the circular slot with sleeve outer wall looks adaptation on baffle A, the baffle B, be connected with the teeth of a cogwheel on the outer wall of baffle B bottom, teeth of a cogwheel bottom surface and baffle B sliding contact, teeth of a cogwheel one side is provided with the rack of meshing mutually, the rack both ends all are connected with wire rope, the rack both ends all are provided with the pivot, the pivot is rotated with the test box and is connected, two wire rope twines respectively in two pivots, be provided with the limiting plate on the baffle B, the limiting plate is located the rack and keeps away from telescopic one side and with rack lateral wall sliding contact.

Preferably, threaded holes are formed in both sides of the top surface of the supporting cylinder, a screw rod is connected to the top wall of the testing box in a threaded mode, a pressing plate is connected to the outer wall of the screw rod in a rotating mode, and the screw rod is inserted into the supporting cylinder in a rotating mode to enable the pressing plate to be in sliding contact with the top surface of the supporting cylinder.

Preferably, an air outlet is arranged on one side of the test box.

Preferably, the side wall of one side of the test box is provided with a transparent material.

The utility model has the advantages that: the detection box is internally provided with a supporting cylinder and a sleeve, an igniter is arranged below the sleeve, a flame of the igniter is in contact with the surface of a sample plate in a slot of the supporting cylinder, so that the surface ignition test can be carried out on the sample plate, the flame of the igniter escapes from a through hole at the upper part of the side wall of the supporting cylinder, so that the edge ignition test can be carried out on the corner of the sample plate, and the ignition property of the sample plate can be tested; the through holes of the upper part and the lower part of the side wall of the supporting cylinder can be respectively blocked by the rotation of the sleeve, and after the through holes of the upper part of the side wall of the supporting cylinder are blocked, the corners of the sample plate are not directly contacted with the flames, so that the flammability of the corners of the sample plate at high temperature can be tested.

Drawings

FIG. 1 is a schematic side view of the flame retardancy testing device of the building material of the present invention;

FIG. 2 is a top view of the test box of the present invention;

FIG. 3 is a cross-sectional view of the plane between the partition board B and the partition board A of the present invention;

FIG. 4 is a schematic view of the connection structure between the support tube and the sleeve according to the present invention;

reference numerals: 1. a test box; 2. a separator A; 3. a partition board B; 4. a support cylinder; 5. a sleeve; 6. an igniter; 7. a slot; 8. a circular groove; 9. gear teeth; 10. a rack; 11. a wire rope; 12. a rotating shaft; 13. a threaded hole; 14. a pressing plate; 15. an air outlet; 16. a limiting plate; 17. a through hole; 18. a screw.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in fig. 1-4, building material fire resistance detection device, including test box 1, one of them lateral wall of test box 1 is installed paml board or other transparent and high temperature resistant material, can observe the inside condition outside test box 1, test box 1 one side is provided with air outlet 15, injects oxygen in test box 1 through air outlet 15 in the test, for the burning provides sufficient condition, when the intensity of a fire is too big in test box 1, the air in test box 1 is taken out to accessible air outlet 15, makes the intensity of a fire extinguish fast.

Two horizontally baffle A2 of test box 1 in-connection and baffle B3 divide into three layer construction with test box 1 is inside, be fixed with annular supporting cylinder 4 on the baffle A2 center, supporting cylinder 4 is inside to be hollow structure, supporting cylinder 4 lateral wall bottom surface is connected with baffle A2, set up horizontally slot 7 on the supporting cylinder 4 top surface, slot 7 and the inside hollow intercommunication of supporting cylinder 4, be provided with the opening on 1 lateral wall of test box, it becomes with slot 7 width to detect the material cutting, the model of test box 1 length looks adaptation, model accessible opening horizontal slip inserts in slot 7, the corner of model is located supporting cylinder 4 outsidely respectively. Threaded holes 13 are formed in two sides of the top surface of the supporting barrel 4, a screw rod 18 is connected to the top wall of the testing box 1 in a threaded mode, a pressing plate 14 is connected to the outer wall of the screw rod 18 in a rotating mode, the screw rod 18 rotates and can be inserted into the supporting barrel 4 downwards or rotate from the supporting barrel 4, and the pressing plate 14 is driven to slide up and down in the testing box 1. After the sample plate to be tested is inserted into the slot 7, the screw 18 rotates to drive the pressing plate 14 to slide downwards to be in sliding contact with the top surface of the supporting cylinder 4, so that the sample plate to be tested is fixed in the slot 7, and the bottom surface of the sample plate to be tested is tightly attached to the bottom surface of the slot 7.

A circular groove 8 is formed in the center of a partition plate A2, the diameter of the circular groove 8 is matched with that of the inner wall of a support cylinder 4, a partition plate B3 is positioned below the partition plate A2, a sleeve 5 is placed on a partition plate B3, the upper end and the lower end of the sleeve 5 are both of an open structure, gear teeth 9 are connected to the outer wall of the bottom end of a partition plate B3, the top of the sleeve 5 penetrates through the circular groove 8 and is inserted into the support cylinder 4, an annular groove is formed in the inner wall of the support cylinder 4, an annular sliding block is connected to the outer wall of the sleeve 5 and slides in the groove, the sleeve 5 is rotatably connected in the support cylinder 4, the outer wall of the sleeve 5 is also in sliding contact with the inner wall of the support cylinder 4, a circular groove 8 matched with the outer wall of the sleeve 5 is also formed in a partition plate B3, the bottom surface of the gear teeth 9 is always in sliding contact with a partition plate B3, an igniter 6 is arranged below the, testing the ignition resistance of the sample plate material; the fire resistance of the panel material is tested by observing the rate at which fire penetrates the panel material through the side walls of the test box 1.

The side wall of the supporting cylinder 4 is provided with a plurality of through holes 17, the through holes 17 are annularly and uniformly distributed on the outer wall of the supporting cylinder 4, the through holes 17 of the upper part and the lower part of the side wall of the supporting cylinder 4 are distributed in a staggered manner, flames generated by the igniter 6 can jump out of the through holes 17, the same through holes 17 are also annularly distributed on the side wall of the sleeve 5, the through holes 17 of the side wall of the sleeve 5 are aligned, when the through holes 17 of the upper part of the supporting cylinder 4 are aligned with the through holes 17 of the lower part of the supporting cylinder 4, the upper side wall of the sleeve 5 blocks the through holes 17 of the upper part of the supporting cylinder 4, so that the flames can only jump out of the through holes 17 of the lower part of the supporting cylinder 4 and are not contacted with the corner of the sample plate to be tested; when the through hole 17 on the sleeve 5 aligns with the through hole 17 of the upper part of the supporting cylinder 4, the through hole 17 of the lower part of the supporting cylinder 4 is blocked by the side wall of the sleeve 5, the flame can jump out from the through hole 17 of the upper part of the supporting cylinder 4 to be in contact with the corner of a sample plate to be tested, marginal ignition detection is carried out on the sample plate material, and the ignition performance of the sample plate material is tested.

One side of the gear teeth 9 is provided with a meshed rack 10, two ends of the rack 10 are both connected with a steel wire rope 11, two ends of the rack 10 are both provided with a horizontal rotating shaft 12, the two rotating shafts 12 are respectively close to two opposite side walls of the test box 1, one end of each rotating shaft 12 extends out of the side wall of the test box 1 and is rotatably connected with the test box 1, one end of each rotating shaft 12 extending out of the test box 1 is connected with a rotating button, the other end of each rotating shaft 12 is rotatably connected with a connecting block on the side wall of the test box 1, the steel wire ropes 11 at two ends of the rack 10 are respectively wound on the two rotating shafts 12, the steel wire ropes 11 can be wound on the rotating shafts 12 by rotating the rotating buttons on the outer wall of the test box 1, the rack 10 is pulled to move on a partition B3, a limiting plate 16 is arranged on a partition B3, the limiting plate 16 is, the rack 10 can drive the sleeve 5 to rotate back and forth in the supporting cylinder 4 when sliding and meshing with the gear teeth 9, so that the sleeve 5 can sequentially block the through holes 17 of the upper part and the lower part of the side wall of the supporting cylinder 4, and after the flammability of the sample plate material is detected, marginal ignition detection can be carried out on the sample plate material. Before and after the sleeve 5 rotates, the rotating button can be rotated, so that the steel wire rope 11 pulls the rack 10 to be close to the side wall of the test box 1 and far away from the gear teeth 9, and the rack is not in contact with the gear teeth 9 with high temperature.

Here, it should be noted that: the components in the test box 1 are made of high-temperature resistant materials, and the igniter 6 is applied to the existing flame retardancy test of building materials, is a known technology in the prior art, and therefore is not described in the invention.

The working principle is as follows: inserting a sample plate material into a slot 7 above a supporting cylinder 4 from the side wall of a testing box 1, after the sample plate material is placed stably, rotating a screw 18 above the testing box 1 to enable the screw 18 to be inserted into a threaded hole 13 in the top surface of the supporting cylinder 4, extruding the sample plate material into the slot 7 by a pressing plate 14, opening an igniter 6, adjusting the fire intensity, blocking a through hole 17 in the upper part of the side wall of the supporting cylinder 4 by a sleeve 5 at the moment, and enabling a flame to be in contact with the surface of the sample plate below the slot 7 to perform surface ignition detection on the sample plate material; the temperature inside and outside the supporting cylinder 4 is the same through the through hole 17, and the flammability of the corners of the sample plate material at high temperature is detected; the rotating button is rotated, so that the steel wire rope 11 pulls the rack 10 to slide, the gear teeth 9 outside the sleeve 5 are meshed, the sleeve 5 is rotated, the through hole 17 in the sleeve 5 is aligned with the through hole 17 in the upper part of the supporting cylinder 4, the flame can jump out of the through hole 17, and edge ignition detection is carried out on a sample plate material.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Building material fire resistance detection device, including test box (1), its characterized in that: test box (1) in-connection two horizontally baffle A (2) and baffle B (3) with test box (1) inside three layer construction that falls into, be fixed with annular support section of thick bamboo (4) on baffle A (2), the model that awaits measuring slides and puts on support section of thick bamboo (4), a plurality of through-hole (17) have been seted up on the support section of thick bamboo (4) lateral wall, support section of thick bamboo (4) inner wall rotation is connected with sleeve (5) of looks adaptation, baffle B (3) are located baffle A (2) below, sleeve (5) bottom pass baffle A (2) and with rotate on baffle B (3), baffle B (3) below is provided with some firearm (6), the flame that some firearm (6) produced passes baffle A (2), baffle B (3) and stretches to await measuring on the model face.

2. The building material flame retardancy detecting device according to claim 1, wherein: support a section of thick bamboo (4) top surface and seted up slot (7), be provided with the opening on the lateral wall of test box (1) and be located the same height with slot (7), through-hole (17) ring shape evenly distributed on supporting a section of thick bamboo (4) outer wall, support through-hole (17) dislocation distribution of a section of thick bamboo (4) lateral wall upper and lower two parts, also ring distribution has same through-hole (17) on sleeve (5) lateral wall, sleeve (5) are rotated and are stopped up partial through-hole (17) on will supporting a section of thick bamboo (4).

3. The building material flame retardancy detecting device according to claim 1, wherein: the sleeve (5) is of a structure with an upper opening and a lower opening, the clapboard A (2) and the clapboard B (3) are both provided with circular grooves (8) matched with the outer wall of the sleeve (5), gear teeth (9) are connected on the outer wall of the bottom end of the partition board B (3), the bottom surface of the gear teeth (9) is in sliding contact with the partition board B (3), one side of the gear teeth (9) is provided with a meshed rack (10), two ends of the rack (10) are connected with steel wire ropes (11), the two ends of the rack (10) are respectively provided with a rotating shaft (12), the rotating shafts (12) are rotatably connected with the test box (1), the two steel wire ropes (11) are respectively wound on the two rotating shafts (12), and a limiting plate (16) is arranged on the partition plate B (3), and the limiting plate (16) is positioned on one side of the rack (10) far away from the sleeve (5) and is in sliding contact with the side wall of the rack (10).

4. The building material flame retardancy detecting device according to claim 1, wherein: threaded holes (13) are formed in the two sides of the top surface of the supporting cylinder (4), a screw rod (18) is connected to the top wall of the testing box (1) in a threaded mode, a pressing plate (14) is connected to the outer wall of the screw rod (18) in a rotating mode, and the screw rod (18) is inserted into the supporting cylinder (4) in a rotating mode to enable the pressing plate (14) to be in sliding contact with the top surface of the supporting cylinder (4).

5. The building material flame retardancy detecting device according to claim 1, wherein: and an air outlet (15) is formed in one side of the test box (1).

6. The building material flame retardancy detecting device according to claim 1, wherein: and a transparent material is arranged on the side wall of one side of the test box (1).