Inorganic coating fire resistance testing equipment

Abstract

The invention discloses inorganic coating fire resistance testing equipment, and relates to the technical field of coating detection, a fire resistance testing mechanism comprises an extension fixing seat fixedly arranged on the inner wall of a detection box, a flame gun is fixedly mounted on the lower surface of the extension fixing seat, and a cooling assembly is arranged on the surface of the extension fixing seat; the test piece limiting mechanism comprises two fixing shells distributed on the left inner side wall and the right inner side wall of the detection box, and electric telescopic rods are fixedly installed in the fixing shells. According to the invention, the fire resistance testing mechanism and the test piece limiting mechanism are arranged in the detection box, the inner wall of a tubular test piece can be internally clamped, supported and limited by using two movable brackets and a limiting top block on the surface of a positioning rod, then the surface of the test piece is subjected to fire-jet heating by using a fire-jet gun, and meanwhile, a temperature sensor at the end part of the positioning rod is used for detecting the fire resistance of the test piece. And the temperature of the unexposed surface in the tubular test piece is monitored in real time, so that workers can conveniently check and test the fireproof and heat-insulating performance of the inorganic coating on the surface of the test piece.

Description

Technical Field

[0001] The invention relates to the technical field of coating detection, in particular to a fire resistance performance testing device for inorganic coatings. Background Art

[0002] The fire resistance of inorganic coatings is mainly reflected in their ability to form a protective layer at high temperatures, effectively blocking the spread of fire and protecting the safety of building structures. The main components of inorganic coatings are inorganic substances such as silicates and cementitious materials. These components enable the coatings to maintain stability in high temperature environments, thereby playing a fire-resistant role. In the prior art, by brushing inorganic coatings on the surface of flammable materials, the fire resistance of the materials can be improved, the speed of flame spread can be slowed down, or combustion can be prevented for a certain period of time. This type of coating is called fire-resistant coating. The inorganic coating needs to be tested for its fire resistance after production. The current fire resistance testing device usually uses a method of placing a test piece coated with oiled inorganic coating on a sample rack, burning and heating the sample, and then observing the changes in the coating on the surface of the test piece with the naked eye of the staff. However, since the changes in the fire-retardant coating when heated are subtle and slow, the staff cannot accurately and intuitively judge the fire resistance of the inorganic coating.

[0003] Therefore, we designed a fire resistance testing equipment for inorganic coatings. Summary of the invention

[0004] The purpose of the present invention is to provide an inorganic coating fire resistance performance testing device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: an inorganic coating fire resistance performance testing device, comprising a test box, wherein a fire resistance testing mechanism and a specimen limiting mechanism are arranged inside the test box; The fire resistance test mechanism comprises an extension fixing seat fixedly arranged on the inner wall of the detection box, a flame spray gun is fixedly installed on the lower surface of the extension fixing seat, and a cooling component is arranged on the surface of the extension fixing seat; The specimen limiting mechanism includes two fixed shells distributed on the left and right inner walls of the detection box, an electric telescopic rod is fixedly installed inside the fixed shell, a rotating motor is fixedly arranged on the telescopic end of the electric telescopic rod, a fixed plate is fixedly arranged on the output shaft of the rotating motor, four limiting support rods are fixedly connected to the surface of the fixed plate, a fixed disk is fixedly arranged on the end of the limiting support rod, a positioning rod is fixedly arranged on the surface of the fixed disk, a strip limiting groove is opened on the surface of the positioning rod, two movable brackets are rotatably arranged on the surface of the strip limiting groove, and a limiting top block is fixedly arranged on the end of the movable bracket away from the positioning rod.

[0006] Through the above technical scheme, the two movable brackets and the limiting top block on the surface of the positioning rod can be used to clamp and support the inner wall of the tubular specimen, and then the surface of the specimen can be heated by a flamethrower. At the same time, the temperature sensor at the end of the positioning rod can be used to monitor the temperature of the back-fire surface inside the tubular specimen in real time, thereby facilitating the staff to inspect and test the fire-retardant and heat-insulating properties of the inorganic coating on the surface of the specimen.

[0007] Preferably, a guide slide rod is fixedly provided on the inner wall of the strip-shaped limit groove, a surface sliding sleeve of the guide slide rod is provided with a limit movable sleeve, a surface sleeve of the guide slide rod is installed with a compression spring, one end of the compression spring is fixedly connected to the surface of the limit movable sleeve, a detection groove is opened on the inner wall of the strip-shaped limit groove, and a pressure sensor is fixedly provided on the inner wall of the detection groove.

[0008] Through the above technical solutions, Preferably, a pressure detection block is provided inside the detection groove, one side of the pressure detection block overlaps with the surface of the pressure sensor, and the other side of the pressure detection block is fixedly connected to the end of the compression spring.

[0009] Through the above technical scheme, when the inner wall of the specimen expands after being heated, the movable bracket can be used to drive the limiting movable sleeve to slide on the surface of the guide slide rod, thereby driving the compression spring to squeeze the pressure detection block, so that the pressure detection block generates pressure on the pressure sensor, and the pressure sensor is used to monitor the pressure, and the expansion deformation of the specimen can be monitored in real time.

[0010] Preferably, the upper and lower surfaces of the limiting movable sleeve are rotatably connected with movable connecting rods, and one end of the movable connecting rod away from the limiting movable sleeve is rotatably connected to the surface of the movable bracket. The limiting top block is cylindrical, and a plurality of anti-slip grooves are provided on the surface of the limiting top block.

[0011] Preferably, an extension rod is fixedly provided at the end of the positioning rod, and a temperature sensor is fixedly installed at the end of the extension rod.

[0012] Preferably, the cooling component includes a lifting plate, two diversion water pipes are fixedly embedded on the surface of the lifting plate, a spray shell is fixedly provided on the bottom end of the diversion water pipe, a driving motor is fixedly provided on the upper surface of the extension fixing seat, and a T-shaped lifting groove is opened on the upper surface of the extension fixing seat, the output shaft of the driving motor extends to the interior of the lifting groove and is fixed with a lifting screw rod, and the lifting plate is threadedly connected to the surface of the lifting screw rod.

[0013] Preferably, the cooling component also includes a water storage chamber opened inside the extension fixing seat, and a delivery pump fixedly arranged on the upper surface of the extension fixing seat, the input end of the delivery pump extends to the inside of the water storage chamber, and is fixedly provided with a water pumping pipe, and the output end of the delivery pump is fixedly provided with a diversion conduit, and the two output ends of the diversion conduit are respectively fixedly connected to the input end of the diversion water pipe.

[0014] Preferably, a semiconductor refrigeration sheet is fixedly embedded in the inner top wall of the water storage chamber, and a cooling fan is provided on the upper surface of the extended fixing seat. The air inlet end of the cooling fan corresponds to the heat dissipation end of the semiconductor refrigeration sheet, and the semiconductor refrigeration sheet is used to cool and reduce the temperature of the water in the water storage chamber.

[0015] Preferably, a circulating water pump is fixedly provided on the back of the detection box, the input end of the circulating water pump extends to the bottom of the detection box, and a circulating water supply pipe is fixedly provided on the output end of the circulating water pump, and one end of the circulating water supply pipe away from the circulating water pump extends to the inside of the water storage chamber, and the two spray shells are symmetrically distributed on both sides of the flamethrower, and a plurality of water spray holes are opened on the surface of the spray shells.

[0016] Preferably, a partition is fixedly provided on the inner wall of the detection box, the partition is located directly below the fire resistance testing mechanism and the specimen limiting mechanism, and a plurality of strip-shaped drainage holes are opened on the surface of the partition.

[0017] Compared with the prior art, the present invention has the following beneficial effects: (1) This inorganic coating fire resistance performance test equipment, by arranging a fire resistance test mechanism and a specimen limiting mechanism inside the test box, can use the two movable brackets and the limiting top block on the surface of the positioning rod to clamp and support the inner wall of the tubular specimen, and then use a flamethrower to heat the specimen surface. At the same time, the temperature sensor at the end of the positioning rod is used to monitor the temperature of the back-fire surface inside the tubular specimen in real time, so that the staff can check and test the fireproof and heat-insulating performance of the inorganic coating on the surface of the specimen. At the same time, the rotating motor can be used to drive the specimen to rotate, which is convenient for continuous testing of different positions on the surface of the pipe.

[0018] (2) This inorganic coating fire resistance test equipment has a pressure detection block and a pressure sensor arranged inside the positioning rod. When the inner wall of the test piece expands after being heated, the movable bracket can be used to drive the limit movable sleeve to slide on the surface of the guide slide rod, thereby driving the compression spring to squeeze the pressure detection block, thereby using the pressure detection block to generate pressure on the pressure sensor, and then using the pressure sensor to monitor the pressure, and then the expansion deformation of the test piece can be monitored in real time.

[0019] (3) This inorganic coating fire resistance test equipment, by providing a cooling component, can use a delivery pump to input cooling water in the water storage chamber into two spray shells after the test piece is heated for testing, and use the two spray shells to spray water on the surface of the test piece to cool it down at the same time, thereby facilitating the staff to quickly replace the cooled test piece, which is beneficial to improving work efficiency. In addition, a semiconductor refrigeration sheet can be used to cool the circulating water in the water storage chamber, thereby accelerating the cooling speed of the circulating water and improving the cooling effect on the test piece. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a front view structural schematic diagram of the present invention; Figure 2 It is a schematic diagram of the internal structure of the detection box of the present invention; Figure 3 It is a schematic diagram of a partial side section structure of the detection box of the present invention; Figure 4 It is a schematic diagram of the side section structure of the extended fixing seat of the present invention; Figure 5 It is a schematic diagram of the structure of the specimen limiting mechanism of the present invention; Figure 6 It is a schematic diagram of a partial front section structure of the positioning rod of the present invention; Figure 7 It is a schematic diagram of the side structure of the fire resistance testing mechanism of the present invention; Figure 8 It is a schematic diagram of the lifting plate and spray shell structure of the present invention.

[0021] In the figure: 1. Test box; 2. Fire resistance test mechanism; 3. Specimen limit mechanism; 4. Cooling component; 5. Partition; 6. Strip drainage hole; 201, extension fixing seat; 202, flamethrower; 301, fixed shell; 302, electric telescopic rod; 303, rotating motor; 304, limit support rod; 305, fixed plate; 306, positioning rod; 307, strip limit groove; 308, movable bracket; 309, limit top block; 310, guide slide rod; 311, limit movable sleeve; 312, compression spring; 313, detection groove; 314, pressure sensor; 315, pressure detection block; 316, movable connecting rod; 317, anti-slip groove; 318, temperature sensor; 401, lifting plate; 402, water guide pipe; 403, spray shell; 404, driving motor; 405, lifting slot; 406, lifting screw; 407, water storage chamber; 408, delivery pump; 409, water suction pipe; 410, diversion duct; 411, semiconductor cooling plate; 412, circulating water pump; 413, circulating water supply pipe; 414, cooling fan. DETAILED DESCRIPTION

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

[0023] See also Figure 1-Figure 6 The present invention provides a technical solution: an inorganic coating fire resistance performance testing device, comprising a test box 1, wherein a fire resistance testing mechanism 2 and a specimen limiting mechanism 3 are arranged inside the test box 1.

[0024] See also Figure 3 and Figure 4 The fire resistance testing mechanism 2 includes an extension fixing seat 201 fixedly arranged on the inner wall of the detection box 1, a flamethrower 202 is fixedly installed on the lower surface of the extension fixing seat 201, and a cooling component 4 is arranged on the surface of the extension fixing seat 201.

[0025] By providing the flame spray gun 202 , the flame spray gun 202 can be used to heat the coating layer on the surface of the test piece, thereby making it convenient for the staff to monitor and observe the temperature, color and shape of the coating.

[0026] It should be noted that a partition 5 is fixedly provided on the inner wall of the detection box 1 , the partition 5 is located directly below the fire resistance test mechanism 2 and the specimen limiting mechanism 3 , and a plurality of strip-shaped drainage holes 6 are opened on the surface of the partition 5 .

[0027] By providing the partition 5 and the strip drainage hole 6, after the heating test is completed and the test piece is sprayed with water to cool it down, the strip drainage hole 6 on the surface of the partition 5 can be used to collect the cooled water to the bottom of the detection box 1, and the strip drainage hole 6 can be used to filter the waste generated when the test piece is heated to prevent the waste from entering the bottom of the detection box 1.

[0028] See also Figure 4 The cooling component 4 includes a lifting plate 401, two guide water pipes 402 are fixedly embedded on the surface of the lifting plate 401, a spray shell 403 is fixedly arranged at the bottom end of the guide water pipe 402, a driving motor 404 is fixedly arranged on the upper surface of the extension fixing seat 201, and a T-shaped lifting groove 405 is opened on the upper surface of the extension fixing seat 201, the output shaft of the driving motor 404 extends to the inside of the lifting groove 405, and a lifting screw 406 is fixed, and the lifting plate 401 is threadedly connected to the surface of the lifting screw 406.

[0029] By setting the lifting plate 401 and the driving motor 404, the driving motor 404 can be used to drive the lifting screw 406 to rotate, thereby driving the lifting plate 401 to move up and down inside the lifting slot 405, thereby adjusting the height of the two spray shells 403. When heating the test piece, the spray shell 403 can be raised to a certain height to prevent the spray shell 403 from being baked at high temperature.

[0030] It should be noted that the cooling component 4 also includes a water storage chamber 407 opened inside the extension fixing seat 201, and a delivery pump 408 fixedly arranged on the upper surface of the extension fixing seat 201, the input end of the delivery pump 408 extends to the inside of the water storage chamber 407, and is fixedly provided with a water pumping pipe 409, and the output end of the delivery pump 408 is fixedly provided with a diversion conduit 410, and the two output ends of the diversion conduit 410 are respectively fixedly connected to the input end of the diversion water pipe 402.

[0031] By setting up the delivery pump 408, the delivery pump 408 can be used to deliver water in the water storage chamber 407 to the diversion conduit 410, and then the diversion conduit 410 is used to divert the cooling water into the two guide water pipes 402, so that the guide water pipes 402 can deliver cooling water to the spray shell 403.

[0032] See also Figure 4 A semiconductor refrigeration sheet 411 is fixedly embedded in the inner top wall of the water storage chamber 407, and a cooling fan 414 is provided on the upper surface of the extended fixing seat 201. The air inlet end of the cooling fan 414 corresponds to the heat dissipation end of the semiconductor refrigeration sheet 411. The semiconductor refrigeration sheet 411 is used to cool and reduce the temperature of the water in the water storage chamber 407.

[0033] By providing the semiconductor refrigeration sheet 411 , the water in the water storage chamber 407 can be cooled by the semiconductor refrigeration sheet 411 , and the heat dissipation surface of the semiconductor refrigeration sheet 411 can be ventilated and cooled by the heat dissipation fan 414 .

[0034] A circulating water pump 412 is fixedly arranged on the back of the detection box 1, and the input end of the circulating water pump 412 extends to the bottom of the detection box 1, and a circulating water supply pipe 413 is fixedly arranged on the output end of the circulating water pump 412, and one end of the circulating water supply pipe 413 away from the circulating water pump 412 extends to the inside of the water storage chamber 407, and two spray shells 403 are symmetrically distributed on both sides of the spray gun 202, and a plurality of water spray holes are opened on the surface of the spray shell 403.

[0035] It is worth noting that, by arranging a cooling component 4 inside the test box 1, after the test piece is heated and tested, the cooling water in the water storage chamber 407 can be input into the two spray shells 403 by using the delivery pump 408, and the two spray shells 403 can be used to spray water on the surface of the test piece to cool it down at the same time, so that the staff can quickly replace the cooled test piece, which is beneficial to improving work efficiency, and the semiconductor refrigeration sheet 411 can be used to cool the circulating water in the water storage chamber 407, so as to speed up the cooling speed of the circulating water and improve the cooling effect on the test piece.

[0036] See also Figure 5 and Figure 6 The specimen limiting mechanism 3 includes two fixed shells 301 distributed on the left and right inner walls of the detection box 1, an electric telescopic rod 302 is fixedly installed inside the fixed shell 301, a rotating motor 303 is fixedly installed at the telescopic end of the electric telescopic rod 302, a fixed plate is fixedly installed on the output shaft of the rotating motor 303, four limiting support rods 304 are fixedly connected to the surface of the fixed plate, a fixed disk 305 is fixedly installed at the end of the limiting support rod 304, a positioning rod 306 is fixedly installed on the surface of the fixed disk 305, a strip-shaped limiting groove 307 is opened on the surface of the positioning rod 306, an extension rod is fixedly installed at the end of the positioning rod 306, and a temperature sensor 318 is fixedly installed at the end of the extension rod.

[0037] See also Figure 5 By providing a temperature sensor 318 at the end of the positioning rod 306, the temperature sensor 318 can be used to monitor the temperature inside the test piece, thereby making it convenient for staff to test the thermal insulation performance of the inorganic coating.

[0038] It is worth mentioning that, by arranging a fire resistance testing mechanism 2 and a specimen limiting mechanism 3 inside the test box 1, when testing the specimen coated with inorganic coating, the two movable brackets 308 and the limiting top block 309 on the surface of the positioning rod 306 can be used to clamp, support and limit the inner wall of the tubular specimen, and then the flamethrower 202 can be used to heat the specimen surface with flames. At the same time, the temperature sensor 318 at the end of the positioning rod 306 is used to monitor the temperature of the back-fire surface inside the tubular specimen in real time, so as to facilitate the staff to check and test the fireproof and heat-insulating properties of the inorganic coating on the surface of the specimen. At the same time, the rotating motor 303 can be used to drive the specimen to rotate, so as to facilitate continuous testing of different positions on the surface of the pipe.

[0039] It should be noted that a guide slide bar 310 is fixedly provided on the inner wall of the strip limit groove 307, a surface sliding sleeve of the guide slide bar 310 is provided with a limit movable sleeve 311, a surface sleeve of the guide slide bar 310 is provided with a compression spring 312, one end of the compression spring 312 is fixedly connected to the surface of the limit movable sleeve 311, a detection groove 313 is opened on the inner wall of the strip limit groove 307, and a pressure sensor 314 is fixedly provided on the inner wall of the detection groove 313.

[0040] See also Figure 6 A pressure detection block 315 is disposed inside the detection groove 313 , one side of the pressure detection block 315 overlaps with the surface of the pressure sensor 314 , and the other side of the pressure detection block 315 is fixedly connected to the end of the compression spring 312 .

[0041] It should be noted that two movable brackets 308 are rotatably provided on the surface of the strip limiting groove 307, and a limiting top block 309 is fixedly provided at one end of the movable bracket 308 away from the positioning rod 306. The two limiting top blocks 309 are used to press and limit the inner wall of the tubular specimen, and the movable bracket 308 is limited by the compression spring 312 at the same time, so that specimens with different diameters can be internally clamped and limited.

[0042] It is worth mentioning that by arranging a pressure detection block 315 and a pressure sensor 314 inside the positioning rod 306, when the inner wall of the specimen expands after being heated, the movable bracket 308 can be used to drive the limiting movable sleeve 311 to slide on the surface of the guide slide rod 310, thereby driving the compression spring 312 to squeeze the pressure detection block 315, and the pressure detection block 315 is used to generate pressure on the surface of the pressure sensor 314, so that the pressure is monitored by the pressure sensor 314, and the expansion deformation of the specimen can be monitored in real time.

[0043] It should be further explained that the upper and lower surfaces of the limiting movable sleeve 311 are rotatably connected with a movable connecting rod 316, and the end of the movable connecting rod 316 away from the limiting movable sleeve 311 is rotatably connected to the surface of the movable bracket 308. The limiting top block 309 is cylindrical, and a plurality of anti-slip grooves 317 are provided on the surface of the limiting top block 309.

[0044] Working principle: When in use, first place the tubular test piece with inorganic coating on the surface in the test box 1, and use the left and right two electric telescopic rods 302 to drive the limit support rod 304 and the fixed plate 305 to move, and then drive the two positioning rods 306 to be inserted into the inner wall of the test piece at the same time, and then drive the two movable brackets 308 and the limit top block 309 on the surface of the positioning rod 306 to support and limit the inner wall of the test piece under the action of the compression spring 312, and then start the rotating motor 303 to drive the positioning rod 306 to rotate, and then drive the test piece to rotate, and at the same time use the flamethrower 202 to heat the surface of the test piece with flame, and The temperature sensor 318 on the surface of the positioning rod 306 is used to monitor the temperature of the back-fire surface of the inner wall of the specimen, thereby helping the staff to obtain the thermal insulation effect of the inorganic coating. The specimen can also be used to generate expansion deformation after being heated to drive the movable bracket 308 to rotate, thereby driving the limiting movable sleeve 311 to slide on the surface of the guide slide rod 310, and at the same time drive the compression spring 312 to push the pressure detection block 315, and use the pressure detection block 315 to squeeze the pressure sensor 314, thereby monitoring the deformation of the specimen after being heated, which is convenient for the staff to test the fireproof and thermal insulation performance of the inorganic coating on the surface of the specimen.

[0045] The standard parts used in the present invention can all be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0046] The present invention and its embodiments are described above, and such description is not restrictive. The drawings show only one embodiment of the present invention, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention, they can design a structure and embodiment similar to the technical solution without creativity, which should belong to the protection scope of the present invention.

Claims

1. An inorganic coating fire resistance test device, comprising a test box (1), characterized in that: The detection box (1) is provided with a fire resistance testing mechanism (2) and a test piece limiting mechanism (3) inside; The fire resistance testing mechanism (2) comprises an extension fixing seat (201) fixedly arranged on the inner wall of the detection box (1), a flamethrower (202) is fixedly mounted on the lower surface of the extension fixing seat (201), and a cooling component (4) is arranged on the surface of the extension fixing seat (201); The specimen limiting mechanism (3) comprises two fixed shells (301) distributed on the left and right inner walls of the detection box (1); an electric telescopic rod (302) is fixedly installed inside the fixed shell (301); a rotating motor (303) is fixedly arranged at the telescopic end of the electric telescopic rod (302); a fixed plate is fixedly arranged on the output shaft of the rotating motor (303); four limiting support rods (304) are fixedly connected to the surface of the fixed plate; a fixed disk (305) is fixedly arranged at the end of the limiting support rod (304); a positioning rod (306) is fixedly arranged on the surface of the fixed disk (305); a strip-shaped limiting groove (307) is opened on the surface of the positioning rod (306); two movable brackets (308) are rotatably arranged on the surface of the strip-shaped limiting groove (307); and a limiting top block (309) is fixedly arranged at one end of the movable bracket (308) away from the positioning rod (306).

2. The inorganic coating fire resistance testing device according to claim 1, characterized in that: A guide slide bar (310) is fixedly arranged on the inner wall of the strip-shaped limit groove (307), a limit movable sleeve (311) is slidably sleeved on the surface of the guide slide bar (310), a compression spring (312) is sleeved and installed on the surface of the guide slide bar (310), one end of the compression spring (312) is fixedly connected to the surface of the limit movable sleeve (311), a detection groove (313) is opened on the inner wall of the strip-shaped limit groove (307), and a pressure sensor (314) is fixedly arranged on the inner wall of the detection groove (313).

3. The inorganic coating fire resistance testing device according to claim 2, characterized in that: A pressure detection block (315) is disposed inside the detection groove (313), one side of the pressure detection block (315) overlaps the surface of the pressure sensor (314), and the other side of the pressure detection block (315) is fixedly connected to the end of the compression spring (312).

4. The inorganic coating fire resistance testing device according to claim 3, characterized in that: The upper and lower surfaces of the position-limiting movable sleeve (311) are both rotatably connected to a movable connecting rod (316); one end of the movable connecting rod (316) away from the position-limiting movable sleeve (311) is rotatably connected to the surface of the movable bracket (308); the position-limiting top block (309) is cylindrical, and a plurality of anti-slip grooves (317) are provided on the surface of the position-limiting top block (309).

5. The inorganic coating fire resistance testing device according to claim 1, characterized in that: An extension rod is fixedly provided at the end of the positioning rod (306), and a temperature sensor (318) is fixedly installed at the end of the extension rod.

6. The inorganic coating fire resistance testing device according to claim 1, characterized in that: The cooling component (4) comprises a lifting plate (401), two guide water pipes (402) are fixedly embedded on the surface of the lifting plate (401), a spray shell (403) is fixedly arranged at the bottom end of the guide water pipe (402), a driving motor (404) is fixedly arranged on the upper surface of the extension fixing seat (201), and a T-shaped lifting groove (405) is opened on the upper surface of the extension fixing seat (201), the output shaft of the driving motor (404) extends to the inside of the lifting groove (405) and is fixed with a lifting screw (406), and the lifting plate (401) is threadedly connected to the surface of the lifting screw (406).

7. The inorganic coating fire resistance testing device according to claim 6, characterized in that: The cooling component (4) further comprises a water storage chamber (407) provided inside the extension fixing seat (201), and a delivery pump (408) fixedly arranged on the upper surface of the extension fixing seat (201); the input end of the delivery pump (408) extends into the water storage chamber (407) and is fixedly provided with a water pumping pipe (409); the output end of the delivery pump (408) is fixedly provided with a diversion conduit (410); the two output ends of the diversion conduit (410) are respectively fixedly connected to the input end of the diversion water pipe (402).

8. The inorganic coating fire resistance testing device according to claim 7, characterized in that: A semiconductor cooling sheet (411) is fixedly embedded in the inner top wall of the water storage chamber (407), and a heat dissipation fan (414) is provided on the upper surface of the extended fixing seat (201). The air inlet end of the heat dissipation fan (414) corresponds to the heat dissipation end of the semiconductor cooling sheet (411), and the semiconductor cooling sheet (411) is used to cool and reduce the temperature of the water in the water storage chamber (407).

9. The inorganic coating fire resistance testing device according to claim 8, characterized in that: A circulating water pump (412) is fixedly arranged on the back of the detection box (1), the input end of the circulating water pump (412) extends to the bottom of the detection box (1), and a circulating water supply pipe (413) is fixedly arranged on the output end of the circulating water pump (412), and one end of the circulating water supply pipe (413) away from the circulating water pump (412) extends to the inside of the water storage chamber (407), the two spray shells (403) are symmetrically distributed on both sides of the flame spray gun (202), and a plurality of water spray holes are opened on the surface of the spray shell (403).

10. The inorganic coating fire resistance testing device according to claim 1, characterized in that: A partition plate (5) is fixedly provided on the inner wall of the detection box (1), the partition plate (5) is located directly below the fire resistance test mechanism (2) and the specimen limiting mechanism (3), and a plurality of strip-shaped drainage holes (6) are provided on the surface of the partition plate (5).

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