Testing device for flame retardance and smoke suppression performance of asphalt concrete
By installing retractable support rods and support frames inside the testing chamber, the problem that existing equipment cannot adapt to samples of different sizes and shapes is solved, achieving consistency of experimental conditions and accuracy of data in the testing of flame retardancy and smoke suppression performance of asphalt concrete, and smoke treatment meets environmental protection standards.
Patent Information
- Application Number
- CN202520397002.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-08
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-08
AI Technical Summary
Existing equipment cannot guarantee the consistency of experimental conditions for testing the flame retardancy and smoke suppression performance of asphalt materials. Furthermore, the simple structure of the testing device cannot adapt to samples of different sizes and shapes, resulting in inaccurate test data.
The testing chamber is equipped with retractable support rods and support frames. The slide rails and moving rods are connected by springs. The support frames are adapted to samples of different sizes and shapes and optimize the distance between the fire source and the sample. Combined with the smoke treatment system and sensor monitoring, the consistency of experimental conditions is ensured.
It meets various testing needs for asphalt concrete samples of different sizes and shapes, optimizes experimental conditions, ensures the accuracy and consistency of test data, and achieves environmental protection standards for fume treatment.
Smart Images
Figure CN223883535U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to test detection device technical field, especially in kind of asphalt concrete flame -retardant and smoke suppression performance's testing arrangement. BACKGROUND
[0002] Due to the relative closed space in the tunnel and the flammability of asphalt material, the asphalt pavement tunnel is easy to cause fire when traffic accident occurs, and a large amount of toxic gas is produced, so the asphalt material is required to have good flame -retardant performance and smoke suppression performance while meeting the basic road performance. However, at present, the instrument for testing the flame -retardant and smoke suppression performance of asphalt material is relatively less in domestic, the structure of the testing device is relatively simple, and the size of the sample block needs to be consistent. And the existing equipment cannot better optimize the distance between the fire source or other testing equipment and the sample, so the consistency of experimental conditions cannot be guaranteed, so the accuracy of detection data cannot be achieved. Therefore, in order to further optimize and improve the adaptability of the detection device, the utility model provides a kind of asphalt concrete flame -retardant and smoke suppression performance testing device to solve the above problems. SUMMARY
[0003] The utility model discloses a kind of asphalt concrete flame -retardant and smoke suppression performance testing devices, telescopic support rod is arranged in the test cabin inside the detection box, by being provided with spring between support rod and support disc, and being connected and supported by the slide groove and the moving rod on the two side surfaces of support frame, the overall of support frame is formed with telescopic effect, so that support frame can adapt to different sizes and shapes of asphalt concrete sample, different experimental requirements can also be met, the testing of a variety of samples is facilitated, the distance between the fire source or other testing equipment and the sample is optimized, so that the consistency of experimental conditions is guaranteed.
[0004] The utility model further provides with the above-mentioned kind of asphalt concrete flame -retardant and smoke suppression performance testing device, include: detection box, the inside of detection box is provided with test cabin;The two side surfaces of test cabin are fixedly connected with electric heating wire, the bottom surface of test cabin is slidably connected with moving plate, the upper surface of moving plate is fixedly connected with support rod, the upper surface of support rod is fixedly connected with support disc, the side of support disc is fixedly connected with spring, the end of spring away from support disc is fixedly connected with a plurality of support frames, the two side surfaces of support frame are symmetrically provided with two slide grooves, the inside of slide groove is slidably connected with moving rod, the other end of moving rod is fixedly connected with support disc.
[0005] According to the utility model discloses a kind of asphalt concrete flame -retardant and smoke suppression performance testing devices, the shape of support disc is round, the shape of support frame is triangle, the upper surface of support frame is fixedly connected with baffle. So that the overall adaptability of support frame is stronger.
[0006] The number of the moving rods corresponds to the number of the chutes, and the moving rods are located at the side of the springs.
[0007] The front surface of the detection box is rotationally connected with a sealing door, the sealing door is made of heat insulation glass material, and the top surface of the detection box is fixedly connected with a smoke treatment box.
[0008] The inner top surface of the test cabin is fixedly connected with a smoke trap, and the smoke trap is composed of a smoke inlet cover, a blower, a filter and an exhaust pipe.
[0009] The smoke inlet cover of the smoke trap is located at the inner top wall of the test cabin, and the exhaust pipe of the smoke trap is in communication with the smoke treatment box.
[0010] The top surface of the smoke treatment box is rotationally connected with an access door, the rear surface of the smoke treatment box is fixedly connected with an exhaust port, and the inside of the smoke treatment box is fixedly connected with an activated carbon filter screen.
[0011] The upper surface of the detection box is provided with a display panel, the upper surface of the detection box is fixedly connected with a temperature sensor, and the detection end of the temperature sensor is located at the inner top surface of the test cabin.
[0012] The utility model provides a kind of asphalt concrete flame-retardant and smoke suppression performance's testing device, the upper surface of the detection box is fixedly connected with smoke detector, the detection end of the smoke detector is located in the inside of smoke treatment box, the upper surface of the detection box is fixedly connected with oxygen delivery pipe, and located between temperature sensor and smoke detector position.It is used to detect the content of smoke concentration and solid fly ash inside smoke treatment box, and ensure that there is suitable oxygen supply condition when test block burns, so as to observe the burning behavior and smoke emission of asphalt concrete under high temperature etc.
[0013] Beneficial effect: the telescopic support rod is arranged in the test cabin inside the detection box, the spring is arranged between the support rod and support disc, and the support frame is connected with the moving rod through the sliding groove and the support on both sides of the support frame, so that the overall support frame has telescopic effect, so that the support frame can adapt to asphalt concrete samples of different sizes and shapes, and can also meet different experimental requirements, facilitate the testing of various samples, optimize the distance between fire source or other test equipment and sample, so as to ensure the consistency of experimental conditions. BRIEF DESCRIPTION OF DRAWINGS
[0014] The utility model is further described below in connection with drawings and examples;
[0015] Figure 1 It is the overall structural drawing of the utility model asphalt concrete flame-retardant and smoke suppression performance's testing device;
[0016] Figure 2 It is the top view of the utility model asphalt concrete flame-retardant and smoke suppression performance's testing device;
[0017] Figure 3 It is the internal structure diagram of the utility model asphalt concrete flame-retardant and smoke suppression performance's testing device;
[0018] Figure 4 It is the structure diagram of the utility model asphalt concrete flame-retardant and smoke suppression performance's testing device support frame;
[0019] Figure 5 It is the internal structure diagram of the utility model asphalt concrete flame-retardant and smoke suppression performance's testing device smoke treatment box.
[0020] LEGEND:
[0021] 1, detection box;2, sealing door;3, smoke treatment box;31, access door;4, display board;5, exhaust port;6, test cabin;7, electric heating wire;8, support frame;81, support disc;82, support rod;83, sliding groove;84, moving rod;85, spring;9, smoke catcher;10, moving plate;11, activated carbon filter screen;12, temperature sensor;13, smoke detector. DETAILED DESCRIPTION
[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiment of the utility model is shown in the drawings, the role of the drawings is to supplement the description of the written part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.
[0023] Referring to Figures 1-5 The utility model discloses a kind of testing device of asphalt concrete flame-retardant and smoke suppression performance, it includes: detection box 1, for detecting the detection device of asphalt concrete test block, the inside of the detection box 1 is provided with test cabin 6, for the cabin room that can burn test block, the surface of both sides of test cabin 6 is fixedly connected with electric heating wire 7, for heating combustion to test block, the bottom surface of test cabin 6 is slidably connected with moving plate 10, for facilitating the overall structure of support frame 8 moves out cabin, more conveniently place asphalt concrete test block, the upper surface of moving plate 10 is fixedly connected with support rod 82, for the overall support of support frame 8, the upper surface of support rod 82 is fixedly connected with support disc 81, for fixed asphalt concrete test block, the side of support disc 81 is fixedly connected with spring 85, for stretching support frame 8, the end of spring 85 away from support disc 81 is fixedly connected with several support frames 8, for fixed and support asphalt concrete test block, the two side surfaces of support frame 8 are symmetrically provided with two sliding grooves 83, for better support support frame 8, the inside of sliding groove 83 is slidably connected with moving rod 84, conveniently support and extend support frame 8, the other end of moving rod 84 is fixedly connected with support disc 81.
[0024] The shape of the support disc 81 is circular, the shape of the support frame 8 is triangular, the upper surface of the support frame 8 is fixedly connected with a baffle, so that the overall adaptability of the support frame 8 is stronger, and it is convenient to place test blocks of different sizes, the number of the moving rods 84 corresponds to the number of the sliding grooves 83, the moving rods 84 are located on the side of the springs 85, for better stretching of the support frame 8, and facilitating better connection of the support frame 8 and the support disc 81. The front surface of the detection box 1 is rotatably connected with a sealing door 2, the sealing door 2 is made of heat-insulating glass material, the top surface of the detection box 1 is fixedly connected with a smoke treatment box 3, for facilitating better observation of the state of the test block during testing, and filtering and purifying the smoke after combustion of the test block, so that it reaches the emission standard, the inner top surface of the test cabin 6 is fixedly connected with a smoke collector 9, the smoke collector 9 is composed of a smoke inlet cover, a blower, a filter and an exhaust pipe, for collecting the smoke generated after combustion of the test block, and treating the collected smoke, the smoke inlet cover of the smoke collector 9 is located on the inner top wall of the test cabin 6, the exhaust pipe of the smoke collector 9 is in communication with the smoke treatment box 3, for conveying the collected smoke to the smoke treatment box 3 for treatment, so that it can reach the emission standard, the top surface of the smoke treatment box 3 is rotatably connected with an access door 31, the rear surface of the smoke treatment box 3 is fixedly connected with an exhaust port 5, the inside of the smoke treatment box 3 is fixedly connected with an activated carbon filter screen 11, for effectively trapping and removing particulate matter and gas components in the smoke, the filtered gas is discharged through the exhaust port 5, ensuring that the discharged gas meets the environmental standard, the upper surface of the detection box 1 is provided with a display panel 4 for displaying various data during testing, the upper surface of the detection box 1 is fixedly connected with a temperature sensor 12, the detection end of the temperature sensor 12 is located on the inner top surface of the test cabin 6, so that it can detect the real-time temperature inside the test cabin 6, the upper surface of the detection box 1 is fixedly connected with a smoke detector 13, the detection end of the smoke detector 13 is located on the inner side surface of the smoke treatment box 3, the upper surface of the detection box 1 is fixedly connected with an oxygen delivery pipe and located between the temperature sensor 12 and the smoke detector 13. For detecting the smoke concentration and the content of solid fly ash in the smoke treatment box 3, and ensuring appropriate oxygen supply during combustion of the test block, so as to observe the combustion behavior and smoke emission of the asphalt concrete at high temperature.
[0025] Working principle: when using the asphalt concrete flame-retardant and smoke suppression performance testing device, open the sealing door 2, pull out the moving plate 10 outside the detection box 1, place the asphalt concrete sample on the support disc 81, the sample can be pulled out according to its size A number of support frames 8, at the same time, when the support frame 8 is stretched, the support frame 8 is stretched out by the spring 85, the support frame 8 is also stretched by the sliding groove 83 and the moving rod 84, and the stability of the support frame 8 is ensured, finally the baffle of a plurality of support frames 8 fixes the sample, then push the moving plate 10 back to the test cabin 6, close the sealing door 2, heat the sample by the heating wire 7, make it burn, at the same time, the oxygen supply pipe is connected to the inside of the test cabin 6, ensure the appropriate oxygen supply, the temperature sensor 12 monitors the temperature inside the test cabin 6 in real time, the smoke collector 9 collects the smoke generated by the sample burning and records it, finally the smoke is transmitted to the smoke treatment box 3 through the smoke exhaust pipe in the smoke collector 9, the smoke concentration and solid fly ash content are monitored by the smoke detector 13, then the smoke is adsorbed and filtered by the activated carbon filter screen 11, so as to ensure that the exhaust gas meets the environmental protection standard, finally the ash falling from the asphalt concrete test block during combustion falls into the inside of the moving plate 10, so as to facilitate the subsequent centralized cleaning.
[0026] The above embodiment of the utility model is described in detail in combination with the drawings, but the utility model is not limited to the above embodiment, and various changes can be made within the knowledge range possessed by ordinary skilled persons in the technical field without departing from the purpose of the utility model.
Claims
1. A device for testing the flame retardant and smoke suppressing properties of asphalt concrete, characterized in that, Include: The detection box (1), the inside of the detection box (1) is provided with a test cabin (6); both sides of the test cabin (6) are fixedly connected with electric heating wires (7), the bottom surface of the test cabin (6) is slidably connected with a moving plate (10), the upper surface of the moving plate (10) is fixedly connected with a support rod (82), the upper surface of the support rod (82) is fixedly connected with a support disc (81), the side surface of the support disc (81) is fixedly connected with a spring (85), the end of the spring (85) away from the support disc (81) is fixedly connected with a plurality of support frames (8), both side surfaces of the support frame (8) are symmetrically provided with two sliding grooves (83), the inside of the sliding groove (83) is slidably connected with a moving rod (84), the other end of the moving rod (84) is fixedly connected with the support disc (81).
2. A device for testing the fire-retardant and smoke-suppressant properties of bituminous concrete as claimed in claim 1, wherein The shape of the support disc (81) is circular, the shape of the support frame (8) is triangular, and the upper surface of the support frame (8) is fixedly connected with a baffle.
3. The device for testing the fire and smoke retardant properties of an asphalt concrete according to claim 1, characterized in that, The number of the moving rod (84) corresponds to the number of the sliding groove (83), and the moving rod (84) is located on the side surface of the spring (85).
4. The device for testing the fire and smoke retardant properties of an asphalt concrete according to claim 1, characterized in that, The front surface of the detection box (1) is rotatably connected with a sealing door (2), the sealing door (2) is made of heat-insulating glass material, and the top surface of the detection box (1) is fixedly connected with a smoke treatment box (3).
5. The device for testing the fire and smoke retardant properties of an asphalt concrete according to claim 1, characterized in that, The inner top surface of the test cabin (6) is fixedly connected with a smoke catcher (9), and the smoke catcher (9) is composed of a smoke inlet cover, a blower, a filter and a smoke exhaust pipe.
6. A device for testing the fire-retardant and smoke-suppressant properties of bituminous concrete as claimed in claim 5, wherein The smoke inlet cover of the smoke catcher (9) is located on the inner top wall of the test cabin (6), and the smoke exhaust pipe of the smoke catcher (9) is in communication with the smoke treatment box (3).
7. The device for testing the fire and smoke retardant properties of an asphalt concrete according to claim 4, characterized in that The top surface of the smoke treatment box (3) is rotatably connected with an access door (31), the rear surface of the smoke treatment box (3) is fixedly connected with an exhaust port (5), and the inside of the smoke treatment box (3) is fixedly connected with an activated carbon filter screen (11).
8. The device for testing the fire and smoke retardant properties of an asphalt concrete of claim 1, wherein, The upper surface of the detection box (1) is provided with a display panel (4), the upper surface of the detection box (1) is fixedly connected with a temperature sensor (12), and the detection end of the temperature sensor (12) is located on the inner top surface of the test cabin (6).
9. The device for testing the fire and smoke retardant properties of an asphalt concrete of claim 1, wherein, The upper surface of the detection box (1) is fixedly connected with a smoke dust detector (13), the detection end of the smoke dust detector (13) is located on the inner side surface of the smoke treatment box (3), and the upper surface of the detection box (1) is fixedly connected with an oxygen delivery pipe and located between the temperature sensor (12) and the smoke dust detector (13).