Thermal insulation building material flammability test furnace

Abstract

The utility model belongs to the technical field of thermal insulation building material tests, and discloses a thermal insulation building material flammability test furnace which comprises a main machine device used for closed combustion of thermal insulation building materials and further comprises a rack device installed in the main machine device and used for moving up and down to adjust the height. The rack device is provided with a clamping device used for rapidly disassembling, assembling and clamping the heat preservation building materials for combustion. The clamping device comprises a fixed frame, a sliding sleeve is arranged at the top of the fixed frame, a first locking nail is installed on the sliding sleeve, a movable frame is arranged in front of the fixed frame, and two second locking nails are symmetrically installed at the two ends of the fixed frame. According to the thermal insulation building material flammability test furnace disclosed by the utility model, the thermal insulation building material can be horizontally placed and clamped through the arrangement of quickly dismounting and clamping the thermal insulation building material for combustion, so that the convenience of fixing the thermal insulation building material is improved; through the arrangement of multi-dimensional sliding adjustment, the combustion accuracy of the heat preservation building materials is guaranteed; and through the arrangement of frame type clamping and fixing, it is guaranteed that the heat preservation building materials are flat and flat.

Description

Technical Field

[0001] The utility model belongs to the technical field of thermal insulation building material testing, in particular to a thermal insulation building material flammability testing furnace. Background Art

[0002] The flammability of thermal insulation materials is related to factors such as their chemical composition, density, morphology, and thermal stability. For example, thermal insulation materials such as polystyrene boards, polyurethane foams, and polyethylene foam materials can burn and easily cause fires. This is because these materials have poor thermal stability and are easily decomposed at high temperatures to produce gas, which, combined with oxygen, forms a flammable mixture. Therefore, in order to accurately understand the flammability of various thermal insulation building materials, targeted tests are required.

[0003] In contrast, a Chinese patent with announcement number CN218097208U discloses a thermal insulation building material flammability test furnace, including a test furnace body, a furnace door is provided on the side wall of the test furnace body, a test chamber is provided in the test furnace body, an ignition assembly and a sample clamp assembly for clamping the thermal insulation building material are provided in the test chamber, a sliding groove is provided on the side wall adjacent to the side wall where the furnace door is located, the sliding groove extends toward the furnace door, a sliding assembly is slidably provided in the sliding groove, and the sample clamp assembly is fixed to the sliding assembly.

[0004] However, the above patent requires lifting and clamping the thermal insulation building materials, which is time-consuming and labor-intensive, so a new device needs to be designed. Utility Model Content

[0005] The utility model aims to provide a thermal insulation building material flammability test furnace to solve the problems raised in the above background technology.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A thermal insulation building material flammability test furnace comprises a main unit device for sealing and burning thermal insulation building materials, and also comprises a frame device installed in the main unit device for moving up and down to adjust the height, the frame device is equipped with a clamping device for quickly disassembling and clamping the thermal insulation building materials for burning; the clamping device comprises a fixed frame, a sliding sleeve is arranged on the top of the fixed frame, a first locking nail is installed on the sliding sleeve, a movable frame is arranged in front of the fixed frame, and two second locking nails are symmetrically installed at both ends of the fixed frame; the frame device comprises a guide rail, a slide is installed on the guide rail, a slide rod is arranged on the slide, and a third locking nail is installed on one side of the slide.

[0008] Furthermore: the host device includes a test box, a protective door is installed in the front of the test box, a perspective window is arranged in the middle of the protective door, and a combustion nozzle is arranged at the bottom of the test box.

[0009] Furthermore: the protective door and the test box are hingedly connected, and the area of ​​the perspective window is larger than three-fifths of the protective door.

[0010] Furthermore: the fixed frame and the movable frame are rectangular frames with bottom openings.

[0011] Furthermore: two U-shaped grooves are symmetrically arranged at both ends of the movable frame.

[0012] Furthermore: the cross-sectional shape of the guide rail is T-shaped, and the slide bar and the guide rail are arranged vertically.

[0013] Compared with the prior art, the beneficial effects are:

[0014] 1. Through the setting of quick disassembly and assembly to clamp the thermal insulation building materials for burning, the thermal insulation building materials can be clamped flatly, which improves the convenience of fixing the thermal insulation building materials;

[0015] 2. The accuracy of combustion of thermal insulation building materials is ensured through the setting of multi-dimensional sliding adjustment;

[0016] 3. Ensure the flatness of the thermal insulation building materials through the frame-type clamping and fixing setting. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a structural schematic diagram of a thermal insulation building material flammability test furnace described in the utility model;

[0018] Figure 2 It is a schematic diagram of the main device of a thermal insulation building material flammability test furnace described in the utility model;

[0019] Figure 3 It is a schematic diagram of a clamping device of a thermal insulation building material flammability test furnace described in the utility model;

[0020] Figure 4 The utility model is a schematic diagram of a frame device of a thermal insulation building material flammability test furnace.

[0021] In the accompanying drawings, 101, test box; 102, protective door; 103, perspective window; 104, combustion nozzle; 201, fixed frame; 202, sliding sleeve; 203, first locking pin; 204, movable frame; 205, second locking pin; 206, U-shaped groove; 301, guide rail; 302, slide; 303, slide rod; 304, third locking pin. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-Figure 4 A thermal insulation building material flammability test furnace includes a main unit for sealing and burning thermal insulation building materials, and also includes a frame device installed in the main unit for moving up and down to adjust the height, and a clamping device for quickly disassembling and clamping the thermal insulation building materials for burning is installed on the frame device.

[0024] In this embodiment: the host device includes a test box 101, a protective door 102 is installed in front of the test box 101, the protective door 102 and the test box 101 are hinged, a perspective window 103 is arranged in the middle of the protective door 102, the area of ​​the perspective window 103 is larger than three-fifths of the protective door 102, and a combustion nozzle 104 is arranged at the bottom of the test box 101. When the protective door 102 is closed and the test box 101 is sealed, the combustion nozzle 104 ignites the thermal insulation building materials to perform a flammability test, and observation is performed through the perspective window 103;

[0025] In this embodiment: the rack device includes a guide rail 301, the cross-section of the guide rail 301 is T-shaped, a slide 302 is installed on the guide rail 301, a slide rod 303 is provided on the slide 302, the slide rod 303 and the guide rail 301 are vertically arranged, a third locking nail 304 is installed on one side of the slide 302, the slide 302 is slid up and down along the guide rail 301 to a suitable height, and the third locking nail 304 is tightened to fix it, and the slide rod 303 is used to support the sliding sleeve 202 to move and adjust the front and rear positions of the thermal insulation building materials in the test box 101;

[0026] In this embodiment: the clamping device includes a fixed frame 201, a sliding sleeve 202 is arranged on the top of the fixed frame 201, a first locking nail 203 is installed on the sliding sleeve 202, a movable frame 204 is arranged in front of the fixed frame 201, the fixed frame 201 and the movable frame 204 are rectangular frames with an opening at the bottom, two second locking nails 205 are symmetrically installed at both ends of the fixed frame 201, and two U-shaped grooves 206 are symmetrically arranged at both ends of the movable frame 204. First, the fixed frame 201 is laid flat, and then the thermal insulation building material is laid flat on the fixed frame 201, and then the movable frame 204 is pressed on the thermal insulation building material, and the second locking nail 205 is passed through the U-shaped groove 206 and tightened, so that the movable frame 204 and the fixed frame 201 clamp the thermal insulation building material and fix it, and then the sliding sleeve 202 is inserted into the slide rod 303, the thermal insulation building material is adjusted to above the combustion nozzle 104, and the first locking nail 203 is tightened to fix it.

[0027] Working principle: first lay the fixed frame 201 flat, then lay the thermal insulation building materials flat on the fixed frame 201, and then press the movable frame 204 on the thermal insulation building materials, and use the second locking nail 205 to pass through the U-shaped groove 206 and tighten it, so that the movable frame 204 and the fixed frame 201 clamp the thermal insulation building materials and fix them, then insert the sliding sleeve 202 into the sliding rod 303, adjust the thermal insulation building materials to above the combustion nozzle 104, and tighten the first locking nail 203 to fix it, slide the slide 302 up and down along the guide rail 301 to a suitable height, and tighten the third locking nail 304 to fix it, finally close the protective door 102, close the test box 101, and the combustion nozzle 104 ignites the thermal insulation building materials for a flammability test, and observe through the perspective window 103.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A thermal insulation building material flammability test furnace, comprising a host device for enclosing and burning thermal insulation building materials, characterized in that: It also includes a frame device installed in the host device for moving up and down to adjust the height, and the frame device is equipped with a clamping device for quickly disassembling and clamping the thermal insulation building materials for burning; The clamping device comprises a fixed frame (201), a sliding sleeve (202) is arranged on the top of the fixed frame (201), a first locking pin (203) is installed on the sliding sleeve (202), a movable frame (204) is arranged in front of the fixed frame (201), and two second locking pins (205) are symmetrically installed at both ends of the fixed frame (201); The frame device comprises a guide rail (301), a slide frame (302) is installed on the guide rail (301), a slide bar (303) is arranged on the slide frame (302), and a third locking nail (304) is installed on one side of the slide frame (302).

2. The thermal insulation building material flammability test furnace according to claim 1, characterized in that: The host device comprises a test box (101), a protective door (102) is installed in front of the test box (101), a perspective window (103) is arranged in the middle of the protective door (102), and a combustion nozzle (104) is arranged at the bottom of the test box (101).

3. The thermal insulation building material flammability test furnace according to claim 2, characterized in that: The protective door (102) and the test box (101) are hingedly connected, and the area of ​​the perspective window (103) is greater than three fifths of the protective door (102).

4. The thermal insulation building material flammability test furnace according to claim 1, characterized in that: The fixed frame (201) and the movable frame (204) are rectangular frames with open bottoms.

5. The thermal insulation building material flammability test furnace according to claim 1, characterized in that: Two U-shaped grooves (206) are symmetrically arranged at two ends of the movable frame (204).

6. The thermal insulation building material flammability test furnace according to claim 1, characterized in that: The cross-sectional shape of the guide rail (301) is T-shaped, and the sliding rod (303) and the guide rail (301) are arranged vertically.

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