Fireproof door smoke tightness test furnace

Abstract

The utility model relates to the technical field of fireproof door test equipment, and discloses a fireproof door smoke tightness test furnace, which comprises a base, cylinders are symmetrically fixed on two sides of a furnace body, telescopic ends of the cylinders are rotatably connected with hook rods, the hook rods are buckled on an installation pressing mechanism, a thermocouple frame is fixed on the inner side of the furnace body, and the thermocouple frame is fixed on the inner side of the furnace body. A flow guide plate is fixed to the inner side of the furnace body, a supporting plate is fixed to the other side of the furnace body, a burner is fixed to the supporting plate, a radiant tube is fixed to one side of the burner and fixed to the furnace body, a circulating fan is fixed to the rear side of the furnace body, and a vortex barrel is fixed to the rear inner wall of the furnace body. And the circulating fan is connected with the interior of the vortex barrel. According to the fireproof door smoke tightness test furnace, the distance between the first mounting frame and the abutting rod is adjustable, door bodies of various specifications can be conveniently tested, the user cost is reduced, and compared with electric heating, the temperature rising speed is increased by 40% through fuel gas heating, and the fuel gas utilization rate reaches 90% or above.

Description

TECHNICAL FIELD

[0001] The utility model relates to fire door test equipment technical field, concretely is a fire door smoke tightness test furnace. BACKGROUND

[0002] Fire door refers to the door that can satisfy the requirements of fire resistance stability, integrity and heat insulation for a certain time, it is the fire separation with certain fire resistance that is arranged between fire compartment, evacuation stairwell, vertical shaft and the like, is specially used for isolating fire source in house building, has huge effect for fire control work, people can obtain the opportunity of escape through fire door once fire occurs, in the process of producing fire door, in order to test the smoke tightness thereof, then need to use test furnace.

[0003] The traditional fire door smoke tightness test furnace has the following problems:

[0004] 1, fixed support structure: cannot flexibly adapt to different sizes of door body, needs to customize multiple sets of equipment, high cost and occupies space;

[0005] 2, heating mode is limited: part of test furnace adopts electric heating, slow heating, high energy consumption, and temperature uniformity is difficult to guarantee;

[0006] 3, low test efficiency: support adjustment is complicated, heating stability is insufficient, and test precision is affected. UTILITY MODEL CONTENTS

[0007] The utility model aims at providing a fire door smoke tightness test furnace, solves the problems of poor adaptability and high energy consumption of prior art.

[0008] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme: a fire door smoke tightness test furnace, including the base, the upper end surface of the base is fixed with installation compression mechanism and furnace body, the both sides of the furnace body are fixed with the cylinder, the telescopic end of the cylinder is rotatably connected with the hook rod, the hook rod is buckled on the installation compression mechanism, the inner side of the furnace body is fixed with the thermocouple frame, the inner side of the furnace body is fixed with the guide plate, the other side of the furnace body is fixed with the support plate, the support plate is fixed with the burner, one side of the burner is fixed with the radiation pipe, the radiation pipe is fixed on the furnace body, the rear side of the furnace body is fixed with the circulating fan, the rear inner wall of the furnace body is fixed with the vortex bucket, the circulating fan is connected with the inside of the vortex bucket.

[0009] Preferably, the installation compression mechanism includes angle steel track and track car, and the angle steel track is symmetrically fixed on the both sides of the upper end surface of the base, the bottom of the track car is fixed with the moving wheel, and the moving wheel is rollably connected on the angle steel track.

[0010] Preferably, the top of the two rail cars is fixed with a first mounting frame and a second mounting frame, and the two sides of the first mounting frame are symmetrically fixed with a crossbar, and the hook rod is buckled on the crossbar.

[0011] Preferably, the inner side of the second mounting frame is slidably connected with a slide rod, and the rear side of the second mounting frame and the rear side of the slide rod are connected with the pressing rod through a connecting rod.

[0012] Preferably, the connecting rod on the second mounting frame is rotatably connected between the second mounting frame and the pressing rod, and the connecting rod on the slide rod is rotatably connected between the slide rod and the pressing rod.

[0013] Preferably, the front side of the pressing rod is fixed with a fixed track, and the fixed track is rollably connected with a trolley, and the front side of the trolley is rotatably connected with a threaded rod, and the threaded rod is threadedly connected on the second mounting frame.

[0014] Preferably, one side of the furnace body is fixed with an access door through a fastener.

[0015] Preferably, the radiation pipe penetrates the furnace body, and the radiation pipe is of an "S-shaped structure".

[0016] Preferably, the inner top of the furnace body is fixed with a hanger, and the radiation pipe is fixed on the hanger.

[0017] Compared with the prior art, the utility model has the advantages of:

[0018] 1. The fire door smoke tightness test furnace can be quickly installed and adjusted, the pressing rod and the fixed track can be driven to move backward as a whole by rotating the threaded rod, the sample can be conveniently pressed and fixed, the structural stability during testing is ensured, the distance between the first mounting frame and the pressing rod is adjustable, various specifications of door bodies can be conveniently tested, and the cost of users is reduced.

[0019] 2. The fire door smoke tightness test furnace can be heated by gas and the furnace temperature is uniform, the device is heated by gas, compared with electric heating, the heating speed is improved by 40%, the utilization rate of gas is more than 90%, the flame after natural gas combustion is combusted in a high-temperature metal pipeline, heat is indirectly input into the smoke-proof furnace through the high-temperature pipeline, the furnace temperature is uniform through the circulating fan, the structure is relatively simple, the radiation pipe is made of high-temperature alloy material and will not be damaged within 5-10 years, and is maintenance-free, if electric heating is adopted, the inner wall of the smoke-proof furnace is covered with electric heating elements, the service life of the electric heating elements is generally 1-2 years, and replacement is complicated. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0021] Figure 2The utility model discloses a mounting and pressing mechanism three-dimensional structure schematic diagram;

[0022] Figure 3 The utility model discloses a front view sectional structure schematic diagram;

[0023] Figure 4 The utility model discloses a base, furnace body, support board, burner, radiation pipe, hanger and vortex bucket connecting structure schematic diagram;

[0024] Figure 5 The utility model discloses a right view structure schematic diagram;

[0025] Figure 6 The utility model discloses a plan view sectional structure schematic diagram.

[0026] In the drawing: 1, base, 2, mounting and pressing mechanism, 201, angle steel track, 202, track car, 203, first mounting frame, 204, second mounting frame, 205, cross bar, 206, sliding rod, 207, connecting rod, 208, pressure bar, 209, fixed track, 210, pulley car, 211, threaded rod, 3, furnace body, 4, air cylinder, 5, hook rod, 6, thermocouple frame, 7, access door, 8, fastener, 9, guide plate, 10, support board, 11, burner, 12, radiation pipe, 13, hanger, 14, circulating fan, 15, vortex bucket. DETAILED DESCRIPTION

[0027] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative work belong to the range of the utility model.

[0028] Please refer to Figures 1 to 6The utility model provides a technical scheme: a fireproof door smoke tightness test furnace, including base 1, the upper end surface of base 1 is fixed with installation compression mechanism 2 and furnace body 3, the both sides symmetry of furnace body 3 are fixed with pneumatic cylinder 4, the telescopic end of pneumatic cylinder 4 is rotatably connected with hook rod 5, and hook rod 5 buckles on installation compression mechanism 2, the inboard of furnace body 3 is fixed with thermocouple holder 6, the inboard of furnace body 3 is fixed with guide vane 9, and the both sides of guide vane 9 are connected with the inner wall of furnace, and there is 30 centimeters gap left and right, mainly for hot air circulation, and hot air is driven to realize the flow of hot air in the furnace by circulating fan 14 in the furnace, and heat exchange is generated with radiant tube 12, realizes the overall heating in the furnace by air flow and reaches the good temperature uniformity, and the other side of furnace body 3 is fixed with support plate 10, and support plate 10 is fixed with burner 11, one side of burner 11 is fixed with radiant tube 12, and radiant tube 12 is fixed on furnace body 3, the rear side of furnace body 3 is fixed with circulating fan 14, and the rear inner wall of furnace body 3 is fixed with vortex barrel 15, and circulating fan 14 is connected with the inside of vortex barrel 15.

[0029] In the embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 5 , the installation compression mechanism 2 includes an angle steel track 201 and a track vehicle 202, and the angle steel track 201 is symmetrically fixed on the two sides of the upper end surface of the base 1. The bottom of the track vehicle 202 is fixed with a moving wheel, and the moving wheel is rollingly connected to the angle steel track 201. The moving wheel can roll on the angle steel track 201, facilitating the forward and backward movement of the track vehicle 202, so as to better install and detect the sample.

[0030] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 5 , the top of the two track vehicles 202 is fixed with a first mounting frame 203 and a second mounting frame 204. The two sides of the first mounting frame 203 are symmetrically fixed with a cross rod 205, and the hook rod 5 buckles on the cross rod 205. After the sample is installed, the track vehicle 202, the first mounting frame 203 and the second mounting frame 204 can be pushed as a whole, and the first mounting frame 203 is abutted against the furnace body 3. The use of the pneumatic cylinder 4 and the hook rod 5 can tension the first mounting frame 203.

[0031] In the embodiment, as shown in Figure 1 、 Figure 2 and Figure 6 , the inside of the second mounting frame 204 is slidably connected with a sliding rod 206. The rear side of the second mounting frame 204 and the rear side of the sliding rod 206 are connected with an abutting rod 208 through a connecting rod 207. The connecting rod 207 on the second mounting frame 204 can connect the second mounting frame 204 and the corresponding abutting rod 208 together. The connecting rod 207 on the sliding rod 206 can connect the sliding rod 206 and the corresponding abutting rod 208 together.

[0032] In this embodiment, as shown in Figure 1 and Figure 2 , the connecting rod 207 on the second mounting frame 204 is rotatably connected between the second mounting frame 204 and the pressing rod 208, and the connecting rod 207 on the sliding rod 206 is rotatably connected between the sliding rod 206 and the pressing rod 208, and the pressing rod 208 and the first mounting frame 203 are used in combination to press and fix the sample.

[0033] In this embodiment, as shown in Figure 1 , Figure 2 and Figure 5 , the front side of the pressing rod 208 is fixed with a fixed track 209, and the trolley 210 is rotatably connected to the front side of the trolley 210, and the threaded rod 211 is threadedly connected to the second mounting frame 204, and when the threaded rod 211 is rotated, the trolley 210 rolls in the fixed track 209, and the fixed track 209 and the pressing rod 208 move backward as a whole, facilitating the pressing and fixing of the sample.

[0034] In this embodiment, as shown in Figure 1 , one side of the furnace body 3 is fixed with an access door 7 through a fastener 8, and the access door 7 is used for installing and adjusting the position of the thermocouple in the furnace body 3 or for maintenance.

[0035] In this embodiment, as shown in Figure 3 and Figure 4 , the radiation pipe 12 penetrates the furnace body 3, and the radiation pipe 12 has an "S-shaped structure", and after the burner 11 ignites the natural gas, the flame after the natural gas is burned is burned in the radiation pipe 12, and the heat is indirectly input into the smoke-proof furnace through the radiation pipe 12, and the circulating fan 14 realizes uniform furnace temperature, the structure is relatively simple, and the radiation pipe 12 is made of high-temperature alloy material and will not be damaged within 5-10 years, and is maintenance-free.

[0036] In this embodiment, as shown in Figure 4 and Figure 6 , the inner top of the furnace body 3 is fixed with a hanging bracket 13, and the radiation pipe 12 is fixed on the hanging bracket 13, and the hanging bracket 13 supports and fixes the radiation pipe 12.

[0037] The use method and advantages of the fire door smoke tightness test furnace are as follows:

[0038] As Figures 1 to 6The thermocouple is installed on the thermocouple frame 6, the thermocouples are arranged at multiple points in the furnace, data is transmitted to the PLC controller, the gas flow and the air mixing ratio are dynamically adjusted, the temperature uniformity is maintained, the track vehicle 202, the first mounting frame 203 and the second mounting frame 204 are moved forward as a whole, the sample is placed between the first mounting frame 203 and the pressing rod 208, the threaded rod 211 is rotated by using a tool, the pulley vehicle 210 rolls in the fixed track 209, the fixed track 209 and the pressing rod 208 are moved backward as a whole, so that the sample is pressed and fixed, the remaining part can be quickly filled by installing the prefabricated cover plate, the sealing treatment is performed after the filling is completed, then the track vehicle 202, the first mounting frame 203 and the second mounting frame 204 are pushed backward to the furnace wall, the first mounting frame 203 is pulled tight by using the air cylinder 4 and the hook rod 5, the natural gas is ignited by using the burner 11, the flame after the natural gas is burned is burned in the radiation pipe 12, the heat is indirectly input into the smoke-proof furnace through the radiation pipe 12, the circulating fan 14 and the vortex barrel 15 are used in combination to realize the uniform furnace temperature, and the guide plate 9 is mainly used for hot air circulation.

[0039] In conclusion, the smoke tightness test furnace of the fireproof door achieves the purposes of rapid installation, adjustability, gas heating and uniform furnace temperature, and meets the use requirements of people.

[0040] The basic principle, main features and advantages of the utility model are shown and described above. The technical personnel in the industry should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model fall within the scope of the utility model.

[0041] The orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientations or positional relationships shown in the drawings, and are only a simplified description used for describing the utility model, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the protection scope of the utility model.

[0042] Although the utility model has been explained in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A fire door smoke leakage test furnace comprising a base (1) characterised in that: The upper end face of the base (1) is fixed with the installation pressing mechanism (2) and the furnace body (3), the both sides of the furnace body (3) are fixed with the air cylinder (4) symmetrically, the telescopic end of the air cylinder (4) is rotatably connected with the hook rod (5), the hook rod (5) is buckled on the installation pressing mechanism (2), the inner side of the furnace body (3) is fixed with the thermocouple frame (6), the inner side of the furnace body (3) is fixed with the guide vane (9), the other side of the furnace body (3) is fixed with the supporting plate (10), the supporting plate (10) is fixed with the burner (11), one side of the burner (11) is fixed with the radiation pipe (12), the radiation pipe (12) is fixed on the furnace body (3), the rear side of the furnace body (3) is fixed with the circulating fan (14), the rear inner wall of the furnace body (3) is fixed with the vortex barrel (15), the circulating fan (14) is connected with the inside of the vortex barrel (15).

2. A furnace for testing the smoke tightness of fire doors according to claim 1, characterized in that: The installation pressing mechanism (2) comprises the angle steel track (201) and the track car (202), and the angle steel track (201) is fixed on the both sides of the upper end face of the base (1) symmetrically, the bottom of the track car (202) is fixed with the moving wheel, and the moving wheel is rollably connected on the angle steel track (201).

3. A furnace as claimed in claim 2, wherein: The top of the two track cars (202) is fixed with the first mounting frame (203) and the second mounting frame (204), and the both sides of the first mounting frame (203) are fixed with the cross rod (205) symmetrically, the hook rod (5) is buckled on the cross rod (205).

4. A furnace as claimed in claim 3, wherein: The inner side of the second mounting frame (204) is slidably connected with the sliding rod (206), and the rear side of the second mounting frame (204) and the rear side of the sliding rod (206) are connected with the pressing rod (208) through the connecting rod (207).

5. A furnace as claimed in claim 4, wherein: The connecting rod (207) on the second mounting frame (204) is rotatably connected between the second mounting frame (204) and the pressing rod (208), and the connecting rod (207) on the sliding rod (206) is rotatably connected between the sliding rod (206) and the pressing rod (208).

6. A furnace as claimed in claim 5, wherein: The front side of the pressing rod (208) is fixed with the fixed track (209), and the fixed track (209) is rollably connected with the pulley car (210), the front side of the pulley car (210) is rotatably connected with the threaded rod (211), and the threaded rod (211) is threadedly connected on the second mounting frame (204).

7. A furnace for testing the smoke density of fire doors as defined in claim 1, wherein: One side of the furnace body (3) is fixed with the access door (7) through the fastener (8).

8. A furnace for testing the smoke density of fire doors as defined in claim 1, wherein: The radiation pipe (12) penetrates through the furnace body (3), and the radiation pipe (12) is of "S-shaped structure".

9. The furnace of claim 1, wherein: The inner top of the furnace body (3) is fixed with the hanger (13), and the radiation pipe (12) is fixed on the hanger (13).

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