A height-adjustable combustion test machine

Abstract

The invention discloses a height-adjustable combustion test machine, including a box body, the bottom of the box body is connected with a slider through a screw structure, the top of the slider is connected with a top seat slot through a telescopic mechanism, the top seat slot is slidably connected with an igniter mounting seat, the upper end of the igniter mounting seat is provided with an angle adjustment structure, and the upper end of the angle adjustment structure is provided with an igniter; a left support rod and a right support rod are provided on the base, a transverse adjustment ruler 1 and a transverse adjustment ruler 2 are provided on the left support rod, a transverse adjustment ruler 3 is provided on the transverse adjustment ruler 1, and a transverse adjustment ruler 4 is provided on the right support rod; adjustment sliders are provided on the transverse adjustment rulers 1, 2, 3 and 4, and a clamp is provided on the adjustment slider; a heater and a cooler are provided in the box body, and a temperature sensor, a pressure sensor and a smoking port are provided on the top thereof; an electric control device is provided on the outer side of the box body. The height-adjustable combustion test machine of the invention meets various test requirements, has high test effect and is highly practical.

Description

Technical Field

[0001] The invention relates to the field of combustion testing machines, in particular to a combustion testing machine with adjustable height. Background Art

[0002] Although the combustion device in the existing combustion test machine can perform combustion tests on products, the relative position between the combustion device and the product is difficult to adjust, making it difficult to perform combustion tests on specific positions of the product. In addition, when the existing combustion pressure test machine performs combustion tests on products, it cannot simulate the future working environment of the product for testing, resulting in poor test results. Based on this, the present invention proposes a highly adjustable combustion test machine. Summary of the invention

[0003] The object of the present invention is to provide a combustion test machine with adjustable height to solve the above-mentioned problems.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The invention discloses a combustion test machine with adjustable height, comprising a box body, a base is arranged at the bottom of the box body, a slide rail is provided on the base, a slider is slidably connected to the slide rail, and a lead screw is threadedly connected to the slider; a plurality of telescopic mechanisms are symmetrically arranged on the upper end of the slider, a plurality of telescopic ends of the telescopic mechanisms are connected to a top seat slide groove, an igniter mounting seat is slidably connected to the top seat slide groove, an angle adjustment structure is arranged on the upper end of the igniter mounting seat, and an igniter is arranged on the upper end of the angle adjustment structure; a left support rod and a right support rod are symmetrically arranged on the left and right ends of the base, and the left and right ends of the base are symmetrically arranged on the left and right ends of the base. The left support rod is slidably connected with a transverse adjustment ruler 1 and a transverse adjustment ruler 2, the transverse adjustment ruler 1 is slidably connected with a transverse adjustment ruler 3, and the right support rod is slidably connected with a transverse adjustment ruler 4; the transverse adjustment ruler 1, the transverse adjustment ruler 2, the transverse adjustment ruler 3 and the transverse adjustment ruler 4 are all provided with adjustment sliders, and the adjustment sliders are provided with clamps; the inner walls of the box body are respectively provided with a heater and a cooler, and the top of the box body is provided with a temperature sensor, a pressure sensor and a smoking port, and the smoking port is connected to the external smoke outlet; the outer side of the box body is provided with an electric control device.

[0006] Furthermore, one end of the lead screw is rotatably arranged on the base, and the other end is provided with a forward and reverse motor.

[0007] Furthermore, the first lateral adjustment ruler is located below the second lateral adjustment ruler.

[0008] Furthermore, the lateral adjustment ruler 1, the lateral adjustment ruler 2 and the lateral adjustment ruler 4 are respectively fixed to the left support rod and the right support rod by tightening bolts.

[0009] Furthermore, the angle adjustment structure includes a connecting block fixedly connected to the igniter mounting seat, an adjusting block connected to the igniter is arranged on the left side of the connecting block, a mounting block is arranged on the left side of the adjusting block, a rack adjustment structure is arranged on the end surfaces where the adjusting block, the mounting block and the connecting block are in contact, the adjusting block, the mounting block and the connecting block are connected together by connecting bolts, a ring is arranged at one end of the connecting bolt, and a knob is threadedly connected to the other end; a U-shaped groove for clamping the ring is opened at the center position of the mounting block, a through hole for the connecting bolt to pass through is opened at the center position of the adjusting block, and a threaded hole threadedly connected to the connecting bolt is opened on the connecting block.

[0010] Furthermore, a smoke purification device is provided in the smoke outlet pipe.

[0011] Furthermore, the clamp includes a fixed block, which is connected to a movable block through symmetrically arranged guide rods, a baffle is provided after the guide rod passes through the movable block, a spring is provided between the baffle and the movable block, and the spring is sleeved on the guide rod; a plurality of grooves are symmetrically provided at the center of the relative positions of the fixed block and the movable block.

[0012] Compared with the prior art, the beneficial technical effects of the present invention are:

[0013] The igniter of the height-adjustable combustion test machine of the invention can be moved up and down, left and right, and forward and backward as needed, and the ignition angle can also be adjusted to improve the overall practicality; the sample can be set horizontally or vertically as needed to meet the test requirements; the clamp can clamp multiple samples at the same time to achieve a bundle combustion test; the box can simulate the combustion test of the sample in different environments as needed. In short, the height-adjustable combustion test machine of the present invention meets a variety of test requirements, has a good test effect, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] Figure 1 This is a diagram showing the internal structure of the height-adjustable combustion test machine of the present invention;

[0016] Figure 2 The structural diagram of the angle adjustment structure distribution;

[0017] Figure 3 It is the side view of the adjustment block;

[0018] Figure 4 It is a cross-sectional view of the angle adjustment structure;

[0019] Figure 5 This is the fixture structure diagram;

[0020] Description of the accompanying drawings: 1. Box; 2. Base; 3. Slide rail; 4. Slider; 5. Lead screw; 6. Telescopic mechanism; 7. Top seat slide groove; 8. Ignitor mounting seat; 9. Angle adjustment structure; 10. Ignitor; 11. Left support rod; 12. Right support rod; 13. Horizontal adjustment ruler 1; 14. Horizontal adjustment ruler 2; 15. Adjustment slider; 16. Horizontal adjustment ruler 3; 17. Horizontal adjustment ruler 4; 18. Clamp; 19. Heater; 20. Refrigerator; 21. Temperature sensor; 22. Pressure sensor; 23. Smoking port; 24. Smoke outlet; 25. Smoke purification device; 26. Electronic control device;

[0021] 9-1, adjustment block; 9-2, mounting block; 9-3, connection block; 9-4, rack adjustment structure; 9-5, connection bolt; 9-6, knob; 9-7, ring; 9-8, U-shaped groove; 9-9, through hole; 9-10, threaded hole;

[0022] 18-1, fixed block; 18-2, movable block; 18-3, guide rod; 18-4, spring; 18-5, baffle; 18-6, groove. DETAILED DESCRIPTION

[0023] like Figure 1-5 As shown, a height-adjustable combustion test machine includes a box body 1, a base 2 is installed at the bottom of the box body 1, a slide rail 3 is provided on the base 2, a slider 4 is slidably connected to the slide rail 3, a lead screw 5 is threadedly connected to the slider 4, one end of the lead screw 5 is rotatably installed on the base 2, and a forward and reverse motor is installed on the other end. When the forward and reverse motor is started, the lead screw 5 rotates, and according to the principle of the lead screw, the base 2 moves left and right on the slide rail 3, thereby satisfying the left and right adjustment of the ignition position of the igniter 10 in the box body 1.

[0024] A plurality of telescopic mechanisms 6 are symmetrically mounted on the upper end of the slider 4, and a plurality of telescopic ends of the telescopic mechanisms 6 are connected to a top seat slide 7. In this embodiment, the telescopic mechanism 6 uses a cylinder, and by starting the cylinder, the top seat slide 7 is moved up and down, thereby satisfying the up and down adjustment of the ignition position of the igniter 10. An igniter mounting seat 8 is slidably connected to the top seat slide 7, and the igniter mounting seat 8 is moved to move forward and backward on the top seat slide 7, thereby satisfying the front and back adjustment of the ignition position of the igniter 10. An angle adjustment structure 9 is mounted on the upper end of the igniter mounting seat 8, and an igniter 10 is mounted on the upper end of the angle adjustment structure 9.

[0025] The angle adjustment structure 9 includes a connecting block 9-3 fixedly connected to the igniter mounting seat 8, an adjustment block 9-1 connected to the igniter 10 is installed on the left side of the connecting block 9-3, and a mounting block 9-2 is installed on the left side of the adjusting block 9-1. A rack adjustment structure 9-4 is installed on the end surfaces where the adjusting block 9-1, the mounting block 9-2 and the connecting block 9-3 are in contact. The adjusting block 9-1, the mounting block 9-2 and the connecting block 9-3 are connected together by a connecting bolt 9-5, one end of which is integrally formed with a circular ring 9-7, and the other end is threadedly connected with a knob 9-6. A U-shaped groove 9-8 for clamping the circular ring 9-7 is provided at the center of the mounting block 9-2, a through hole 9-9 for the connecting bolt 9-5 to pass through is provided at the center of the adjusting block 9-1, and a threaded hole 9-10 threadedly connected with the connecting bolt 9-5 is provided on the connecting block 9-3. When installing the adjusting block 9-1, the mounting block 9-2 and the connecting block 9-3, one end of the connecting bolt 9-5 with the ring 9-7 is against the U-shaped groove 9-8, and the other end passes through the mounting block 9-2, the adjusting block 9-1 and the connecting block 9-3 in sequence, and then rotates through the knob 9-6 to fix it together with the connecting bolt 9-5. When in use, the angle of the ignition position of the igniter 10 can be adjusted by adjusting the different clamping angles between the rack adjustment structure 9-4 on the contact end surfaces of the adjusting block 9-1, the mounting block 9-2 and the connecting block 9-3.

[0026] The left and right ends of the base 2 are symmetrically mounted with a left support rod 11 and a right support rod 12. The left support rod 11 is slidably connected with a transverse adjustment ruler 13 and a transverse adjustment ruler 2 14, and the transverse adjustment ruler 1 13 is located below the transverse adjustment ruler 2 14. The transverse adjustment ruler 3 16 is slidably connected with the transverse adjustment ruler 1 13, and the transverse adjustment ruler 4 17 is slidably connected with the right support rod 12. The transverse adjustment ruler 1 13, the transverse adjustment ruler 2 14, and the transverse adjustment ruler 4 17 are all fixed to the left support rod 11 and the right support rod 12 by tightening bolts. The transverse adjustment ruler 1 13, the transverse adjustment ruler 2 14, the transverse adjustment ruler 3 16, and the transverse adjustment ruler 4 17 are all mounted with an adjustment slider 15, and a clamp 18 is mounted on the adjustment slider 15. The position of the clamp 18 is adjusted by moving the adjustment slider 15 on the adjustment ruler.

[0027] The clamp 18 includes a fixed block 18-1, and the fixed block 18-1 is connected to a movable block 18-2 through a symmetrically installed guide rod 18-3. After the guide rod 18-3 passes through the movable block 18-2, a baffle 18-5 is installed, and a spring 18-4 is installed between the baffle 18-5 and the movable block 18-2, and the spring 18-4 is sleeved on the guide rod 18-3. A plurality of grooves 18-6 are symmetrically opened at the center of the relative position of the fixed block 18-1 and the movable block 18-2, and a plurality of teeth are installed on the groove 18-6, and the teeth act on the sample to improve the stability of the sample. In addition, a plurality of grooves 18-6 can clamp a plurality of samples at the same time, meeting the requirements of the sample bundle combustion experiment. When in use, the sample is placed in the groove 18-6 by moving the movable block 18-2, and then the fixed block 18-1 and the movable block 18-2 clamp and fix the sample under the action of the spring 18-4.

[0028] When a longitudinal combustion test is required for the sample, the two ends of the sample are respectively mounted on the adjustment slides 15 on the transverse adjustment ruler 13 and the transverse adjustment ruler 2 14 through the clamp 8, and the installation position of the sample is adjusted by sliding the adjustment slide 15. When a transverse combustion test is required for the sample, the two ends of the sample are respectively mounted on the adjustment slides 15 on the transverse adjustment ruler 3 16 and the transverse adjustment ruler 4 17 through the clamp 8, and the installation position of the sample is adjusted by sliding the adjustment slide 15.

[0029] The inner wall of the box body 1 is respectively installed with a heater 19 and a cooler 20, and the top of the box body 1 is installed with a temperature sensor 21, a pressure sensor 22 and a smoking port 23. The heater 19, the cooler 20, the temperature sensor 21 and the pressure sensor 22 can provide different combustion environments for the test specimens, conveniently control the temperature inside the test cabinet, adjust the external temperature of the cable during the test, and simulate the combustion of the specimens under different temperature environments. The smoking port 23 is connected to the external smoke pipe 24, and a smoke purification device 25 is installed in the smoke pipe 24, so that the smoke is discharged after being treated to avoid air pollution. An electric control device 26 is installed on the outside of the box body 1, and the electric control device 26 is used to detect and control the operation of each component in the box body 1.

[0030] The action process of the present invention is as follows:

[0031] First, when it is necessary to conduct a longitudinal combustion test on the sample, the two ends of the sample are respectively mounted on the adjusting slide blocks 15 on the transverse adjusting ruler 13 and the transverse adjusting ruler 2 14 through the clamp 8, and the installation position of the sample is adjusted by sliding the adjusting slide block 15; when it is necessary to conduct a transverse combustion test on the sample, the two ends of the sample are respectively mounted on the adjusting slide blocks 15 on the transverse adjusting ruler 3 16 and the transverse adjusting ruler 4 17 through the clamp 8, and the installation position of the sample is adjusted by sliding the adjusting slide block 15;

[0032] Secondly, start the forward and reverse motors, the screw 5 rotates, and according to the screw principle, the base 2 moves left and right on the slide rail 3, thereby satisfying the left and right adjustment of the ignition position of the igniter 10 in the box body 1; by starting the telescopic mechanism 6, the top seat slide groove 7 is moved up and down, thereby satisfying the up and down adjustment of the ignition position of the igniter 10; move the igniter mounting seat 8 to make it move back and forth on the top seat slide groove 7, thereby satisfying the front and back adjustment of the ignition position of the igniter 10; when the igniter 10 is adjusted to the optimal position, according to actual needs, by adjusting the different clamping angles between the adjusting block 9-1 and the rack adjustment structure 9-4 on the contact end faces of the mounting block 9-2 and the connecting block 9-3, the angle adjustment of the ignition position of the igniter 10 is achieved;

[0033] Finally, by controlling the juice 26 in the US according to the data provided by the temperature sensor 21 and the pressure sensor 22, the heater 19 and the refrigerator 20 are controlled to heat or cool, so as to provide different combustion environments for the samples, simulate the combustion conditions of the samples under different temperature environments, and start the igniter 10 to ignite and conduct a combustion experiment.

[0034] The embodiments described above are only descriptions of the preferred modes of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should all fall within the protection scope determined by the claims of the present invention.

Claims

1. A height-adjustable combustion test machine, characterized in that: The invention comprises a box body (1), wherein a base (2) is arranged at the bottom of the box body (1), a slide rail (3) is provided on the base (2), a slider (4) is slidably connected to the slider (3), and a lead screw (5) is threadedly connected to the slider (4); a plurality of telescopic mechanisms (6) are symmetrically arranged at the upper end of the slider (4), and the telescopic ends of the plurality of telescopic mechanisms (6) are connected to a top seat slide groove (7), and an igniter mounting seat (8) is slidably connected to the top seat slide groove (7), and an angle adjustment structure (9) is arranged at the upper end of the igniter mounting seat (8), and an igniter (10) is arranged at the upper end of the angle adjustment structure (9); a left support rod (11) and a right support rod (12) are symmetrically arranged at the left and right ends of the base (2), and a lateral adjustment ruler (11) is slidably connected to the left support rod (11). 3) and a transverse adjustment ruler (14), the transverse adjustment ruler (13) is slidably connected to a transverse adjustment ruler (16), and the right support rod (12) is slidably connected to a transverse adjustment ruler (17); the transverse adjustment ruler (13), the transverse adjustment ruler (14), the transverse adjustment ruler (16) and the transverse adjustment ruler (17) are all provided with an adjustment slider (15), and the adjustment slider (15) is provided with a clamp (18); a heater (19) and a cooler (20) are respectively provided on the inner side walls of the box body (1), a temperature sensor (21), a pressure sensor (22) and a smoking port (23) are provided on the top of the box body (1), and the smoking port (23) is connected to the external smoke outlet (24); an electric control device (26) is provided on the outer side of the box body (1); The angle adjustment structure (9) comprises a connecting block (9-3) fixedly connected to the igniter mounting seat (8); an adjustment block (9-1) connected to the igniter (10) is arranged on the left side of the connecting block (9-3); a mounting block (9-2) is arranged on the left side of the adjustment block (9-1); a rack adjustment structure (9-4) is arranged on the end surfaces where the adjustment block (9-1), the mounting block (9-2) and the connecting block (9-3) contact each other; The two connecting blocks (9-5) are connected together by a connecting bolt (9-5), one end of which is provided with a circular ring (9-7), and the other end of which is threadedly connected with a knob (9-6); a U-shaped groove (9-8) for clamping the circular ring (9-7) is provided at the center of the mounting block (9-2); a through hole (9-9) for the connecting bolt (9-5) to pass through is provided at the center of the adjusting block (9-1); and a threaded hole (9-10) threadedly connected to the connecting bolt (9-5) is provided on the connecting block (9-3); The clamp (18) comprises a fixed block (18-1), the fixed block (18-1) is connected to a movable block (18-2) via a symmetrically arranged guide rod (18-3), a baffle (18-5) is arranged after the guide rod (18-3) passes through the movable block (18-2), a spring (18-4) is arranged between the baffle (18-5) and the movable block (18-2), and the spring (18-4) is sleeved on the guide rod (18-3); a plurality of grooves (18-6) are symmetrically arranged at the center of the relative position of the fixed block (18-1) and the movable block (18-2).

2. The height-adjustable combustion test machine according to claim 1, characterized in that: One end of the lead screw (5) is rotatably arranged on the base (2), and the other end is provided with a forward and reverse motor.

3. The height-adjustable combustion test machine according to claim 1, characterized in that: The first transverse adjustment ruler (13) is located below the second transverse adjustment ruler (14).

4. The height-adjustable combustion test machine according to claim 1, characterized in that: The lateral adjustment ruler 1 (13), the lateral adjustment ruler 2 (14) and the lateral adjustment ruler 4 (17) are respectively fixed on the left support rod (11) and the right support rod (12) by means of tightening bolts.

5. The height-adjustable combustion test machine according to claim 1, characterized in that: A smoke purification device (25) is arranged in the smoke outlet pipe (24).

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