Fire resistance tester for conveying belt

Abstract

The utility model discloses a conveyor belt fire resistance tester which comprises a workbench and a conveyor belt to be tested, the upper end of the workbench is connected with a top plate through two vertical plates, the bottom of the top plate is connected with two mounting plates through a driving assembly, and the driving assembly drives the two mounting plates to get close to each other or get away from each other. The device is reasonable in structural design, to-be-tested conveying belts with different lengths can be fixed, the flamethrower performs a fire resistance test on the to-be-tested conveying belts, the distance between the flamethrower and the to-be-tested conveying belts can be adjusted, the vertical position of the flamethrower can be adjusted, meanwhile, the to-be-tested conveying belts can move, and the test efficiency is improved. Therefore, different positions of the to-be-tested conveying belt can be tested, different test requirements are met, the accuracy of test results is guaranteed, and high-temperature substances dripping in the test process can fall into the water tank to be cooled and collected.

Description

Technical Field

[0001] The utility model relates to the technical field of conveyor belt testing, in particular to a conveyor belt fire resistance testing instrument. Background Art

[0002] Conveyor belts, also known as transport belts, are composite products of rubber, fiber, metal, or plastic and fabric used in belt conveyors to carry and transport materials. Conveyor belts can transport continuously, efficiently, and at large angles. Conveyor belts are safe to operate, easy to use, easy to maintain, and low in freight. They can also shorten transportation distances, reduce project costs, and save manpower and material resources.

[0003] After the conveyor belt is produced, it is usually necessary to conduct a fire resistance test on it. At present, the conveyor belt is usually clamped firmly by a clamp, and then a flame is sprayed from a flamethrower to aim at the silicone rubber material for a combustion test. However, the conveyor belt is usually long. When testing different positions of the conveyor belt, the position of the conveyor belt needs to be adjusted, which is inconvenient and inefficient. In addition, the melted conveyor belt will drip high-temperature substances, which can easily cause the workbench surface to be contaminated and difficult to clean. For this reason, we have designed a conveyor belt fire resistance tester to solve the above problems. Summary of the invention

[0004] The purpose of the utility model is to solve the problems existing in the prior art, and a conveyor belt fire resistance tester is proposed, which can fix conveyor belts to be tested of different lengths, and a flamethrower can perform a fire resistance test on the conveyor belt to be tested, and can adjust the distance between the flamethrower and the conveyor belt to be tested, and adjust the upper and lower positions of the flamethrower. At the same time, the conveyor belt to be tested can also be moved, and then different positions of the conveyor belt to be tested can be tested to meet different test requirements and ensure the accuracy of the test results. High-temperature substances dripping during the test will fall into the water tank for cooling and collection.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A conveyor belt fire resistance tester comprises a workbench and a conveyor belt to be tested, wherein the upper end of the workbench is connected to a top plate via two vertical plates, the bottom of the top plate is connected to two mounting plates via a driving assembly, the driving assembly drives the two mounting plates to move closer to or away from each other, a fixing assembly for fixing the conveyor belt to be tested and driving the conveyor belt to be tested to move is commonly installed at the bottom of the two mounting plates, the bottom of the top plate is connected to a flamethrower via an adjusting assembly, and a water tank below the flamethrower is placed at the upper end of the workbench.

[0007] Preferably, the driving assembly includes a guiding chute formed at the bottom of the top plate. Two guiding sliders adapted to the guiding chute are slidably connected in the guiding chute. A servo motor is installed on the side wall of the top plate. The end of the output shaft of the servo motor is installed with a double-headed screw. The double-headed screw threadedly penetrates through the two guiding sliders and is threadedly connected thereto. The two mounting plates are respectively fixedly connected to the bottoms of the two guiding sliders.

[0008] Preferably, the fixing assembly includes a driving motor installed at the bottom of one of the mounting plates. The end of the output shaft of the driving motor is installed with a driving roller. The bottom of the other mounting plate is rotatably connected with a driven roller. The conveyor belt to be tested is wound between the driving roller and the driven roller.

[0009] Preferably, the adjusting assembly includes an electric slide rail installed at the bottom of the top plate. An electric slider adapted to the electric slide rail is installed in the electric slide rail. A cylinder is installed at the bottom of the electric slider. The end of the telescopic end of the cylinder is fixedly connected with an L-shaped support plate. The flame sprayer is installed on the rear side wall of the L-shaped support plate.

[0010] Preferably, two L-shaped fixing plates are symmetrically and fixedly connected to the upper end of the workbench. The two L-shaped fixing plates respectively abut against the two side walls and the front side wall of the water tank. Two connecting plates respectively abutting against the two side walls of the water tank are fixedly connected to the upper end of the workbench. The rear side walls of the two connecting plates are respectively rotatably connected with baffles abutting against the rear side wall of the water tank.

[0011] Preferably, the inner side walls of the rear sides of the L-shaped plate and the connecting plate are both inclined.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. For this conveyor belt fire resistance tester, the conveyor belt to be tested is sleeved between the driving roller and the driven roller, and by controlling the driving roller and the driven roller to move away from each other, the conveyor belt to be tested can be tightened, and the conveyor belt to be tested with different lengths can be fixed by controlling the driving roller and the driven roller to move away from each other, meeting different usage requirements.

[0014] 2. For this conveyor belt fire resistance tester, start the flame sprayer to conduct a fire resistance test on the conveyor belt to be tested. The adjusting assembly can adjust the distance between the flame sprayer and the conveyor belt to be tested and adjust the up and down position of the flame sprayer. The driving motor drives the driving roller to rotate, enabling the conveyor belt to be tested to move, and thus different positions of the conveyor belt to be tested can be tested, meeting different test requirements and ensuring the accuracy of the test results.

[0015] 3. For this conveyor belt fire resistance tester, during the test, when the conveyor belt to be tested melts, the dripping high-temperature substances will fall into the water in the water tank, cooling them down and avoiding the problem of being difficult to clean up if they drip on the workbench. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 FIG. 1 is a front - view three - dimensional structural schematic diagram of a conveyor belt fire - resistance tester proposed by the present utility model;

[0017] Figure 2 FIG. 2 is a rear - view three - dimensional structural schematic diagram of a conveyor belt fire - resistance tester proposed by the present utility model;

[0018] Figure 3 FIG. 3 is a front - view planar structural schematic diagram of a conveyor belt fire - resistance tester proposed by the present utility model;

[0019] Figure 4 is Figure 3 a sectional structural schematic diagram at A - A in FIG. 3.

[0020] In the figures: 1, workbench; 2, vertical plate; 3, top plate; 4, guiding sliding groove; 5, servo motor; 6, double - headed screw; 7, mounting plate; 8, driving motor; 9, driving roller; 10, driven roller; 11, conveyor belt to be tested; 12, electric sliding rail; 13, air cylinder; 14, L - shaped supporting plate; 15, flame sprayer; 16, L - shaped fixing plate; 17, water tank; 18, connecting plate; 19, baffle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0022] Referring to Figures 1-4 , a conveyor belt fire - resistance tester includes a workbench 1 and a conveyor belt 11 to be tested. The upper end of the workbench 1 is connected to a top plate 3 through two vertical plates 2. The bottom of the top plate 3 is connected to two mounting plates 7 through a driving assembly. The driving assembly drives the two mounting plates 7 to approach or move away from each other. The driving assembly includes a guiding sliding groove 4 opened at the bottom of the top plate 3. Two guiding sliders adapted to it are slidably connected in the guiding sliding groove 4. The guiding sliders are adapted to the guiding sliding groove 4, so that the guiding sliders can only slide horizontally in the guiding sliding groove 4;

[0023] A servo motor 5 is installed on the side wall of the top plate 3. The end of the output shaft of the servo motor 5 is installed with a double - headed screw 6. The double - headed screw 6 threadedly penetrates through the two guiding sliders and is threadedly connected to them. The two mounting plates 7 are respectively fixedly connected to the bottoms of the two guiding sliders. When the servo motor 5 drives the double - headed screw 6 to rotate, under the action of its thread engagement, the two guiding sliders can drive the two mounting plates 7 to approach or move away from each other;

[0024] A fixing component for fixing the conveyor belt 11 to be tested and driving the conveyor belt 11 to be tested to move is commonly installed at the bottom of the two mounting plates 7. The fixing component includes a driving motor 8 installed at the bottom of one of the mounting plates 7. The end of the output shaft of the driving motor 8 is installed with a driving roller 9. The bottom of the other mounting plate 7 is rotatably connected with a driven roller 10. The conveyor belt 11 to be tested is wound between the driving roller 9 and the driven roller 10, which can fix the conveyor belt 11 to be tested. And the driving motor 8 drives the driving roller 9 to rotate, which can make the conveyor belt 11 to be tested move, so as to be able to perform a fire resistance test on different positions of the conveyor belt 11 to be tested. The two mounting plates 7 moving closer to or away from each other can drive the driving roller 9 and the driven roller 10 to move closer to or away from each other, so as to be able to fix conveyor belts 11 to be tested with different sizes;

[0025] A flame sprayer 15 is connected to the bottom of the top plate 3 through an adjusting component. The adjusting component includes an electric slide rail 12 installed at the bottom of the top plate 3. An electric slider adapted to it is installed in the electric slide rail 12. A cylinder 13 is installed at the bottom of the electric slider. The end of the telescopic end of the cylinder 13 is fixedly connected with an L-shaped support plate 14. The flame sprayer 15 is installed on the rear side wall of the L-shaped support plate 14. The electric slide rail 12 extends forward and backward. The electric slider sliding in the electric slide rail 12 can drive the flame sprayer 15 to move back and forth, adjusting the distance between the flame sprayer 15 and the conveyor belt 11 to be tested. The cylinder 13 drives the L-shaped support plate 14 to slide up and down, which can make the flame sprayer 15 move up and down to adjust the position;

[0026] A water tank 17 is placed on the upper end of the workbench 1 and is located below the flame sprayer 15. When the conveyor belt 11 to be tested melts and the dripping high-temperature substances fall into the water in the water tank 17, it can cool them down, avoiding the problem of being difficult to clean when dripping on the workbench 1. Two L-shaped fixing plates 16 are symmetrically and fixedly connected to the upper end of the workbench 1. The two L-shaped fixing plates 16 respectively abut against the two side walls and the front side wall of the water tank 17. Two connecting plates 18 respectively abutting against the two side walls of the water tank 17 are fixedly connected to the upper end of the workbench 1. The rear side walls of the two connecting plates 18 are rotatably connected with baffles 19 abutting against the rear side wall of the water tank 17. The two L-shaped fixing plates 16, the two connecting plates 18 and the two baffles 19 can jointly act to fix the water tank 17, so that the water tank 17 cannot move on the workbench 1. The inner side walls of the rear sides of the L-shaped fixing plates 16 and the connecting plates 18 are inclined, which is convenient for the water tank 17 to slide between the two connecting plates 18 and the two L-shaped fixing plates 16. Rotating the baffle 19 so that it no longer abuts against the side wall of the water tank 17 can pull the water tank 17 outwards for cleaning.

[0027] The functional principle of the present utility model can be described through the following operation mode:

[0028] In the present utility model, when the conveyor belt fire resistance tester is working, the conveyor belt 11 to be tested is sleeved between the driving roller 9 and the driven roller 10. The servo motor 5 is started to drive the double-headed screw 6 to rotate. Under the action of its thread engagement, the two guiding sliders can drive the two mounting plates 7 to move away from each other, and then the driving roller 9 and the driven roller 10 move away from each other, so that the conveyor belt 11 to be tested is tightened. And by controlling the driving roller 9 and the driven roller 10 to move away from each other, the conveyor belt 11 to be tested with different lengths can be fixed to meet different usage requirements.

[0029] Starting the flame sprayer 15 can conduct a fire resistance test on the conveyor belt 11 to be tested. The electric slider slides in the electric slide rail 12, which can make the flame sprayer 15 move back and forth to adjust its position, and adjust the distance between the flame sprayer 15 and the conveyor belt 11 to be tested to meet different test requirements. The telescopic end of the cylinder 13 drives the L-shaped fixing plate 16 to move up and down, which can make the flame sprayer 15 move up and down to adjust its position. The driving motor 8 drives the driving roller 9 to rotate, which can make the conveyor belt 11 to be tested move, and then different positions of the conveyor belt 11 to be tested can be tested to meet different test requirements. During the test, when the conveyor belt 11 to be tested melts, the dripping high-temperature substances will fall into the water in the water tank 17 to cool it down, avoiding the problem of being difficult to clean when dripping on the workbench 1.

[0030] The above is only the preferred specific implementation manner of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A conveyor belt fire resistance tester, comprising a workbench (1) and a conveyor belt to be tested (11), characterized in that, The upper end of the workbench (1) is connected to a top plate (3) through two vertical plates (2). The bottom of the top plate (3) is connected to two mounting plates (7) through a driving assembly. The driving assembly drives the two mounting plates (7) to approach or move away from each other. The bottom of the two mounting plates (7) is jointly equipped with a fixing assembly for fixing the conveyor belt to be tested (11) and driving the conveyor belt to be tested (11) to move. The bottom of the top plate (3) is connected to a flame sprayer (15) through an adjusting assembly. A water tank (17) is placed on the upper end of the workbench (1) and is located below the flame sprayer (15).

2. The refractory conveyor belt tester according to claim 1, characterized in that, The driving assembly includes a guiding sliding groove (4) opened at the bottom of the top plate (3). Two guiding sliders adapted to it are slidably connected in the guiding sliding groove (4). A servo motor (5) is installed on the side wall of the top plate (3). The end of the output shaft of the servo motor (5) is installed with a double-headed screw rod (6). The double-headed screw rod (6) threadedly penetrates through the two guiding sliders and is threadedly connected to them. The two mounting plates (7) are respectively fixedly connected to the bottoms of the two guiding sliders.

3. A conveyor belt fire resistance tester according to claim 1, characterized in that, The fixing assembly includes a driving motor (8) installed at the bottom of one of the mounting plates (7). The end of the output shaft of the driving motor (8) is installed with a driving roller (9). The bottom of the other mounting plate (7) is rotatably connected to a driven roller (10). The conveyor belt to be tested (11) is wound between the driving roller (9) and the driven roller (10).

4. The refractory conveyor belt tester according to claim 1, characterized in that, The adjusting assembly includes an electric sliding rail (12) installed at the bottom of the top plate (3). An electric slider adapted to it is installed in the electric sliding rail (12). A cylinder (13) is installed at the bottom of the electric slider. The end of the telescopic end of the cylinder (13) is fixedly connected to an L-shaped support plate (14). The flame sprayer (15) is installed on the rear side wall of the L-shaped support plate (14).

5. The refractory conveyor belt tester according to claim 1, characterized in that, Two L-shaped fixing plates (16) are symmetrically and fixedly connected to the upper end of the workbench (1). The two L-shaped fixing plates (16) are respectively abutted against the two side walls and the front side wall of the water tank (17). Two connecting plates (18) respectively abutted against the two side walls of the water tank (17) are fixedly connected to the upper end of the workbench (1). The rear side walls of the two connecting plates (18) are both rotatably connected to baffles (19) abutted against the rear side wall of the water tank (17).

6. The refractory conveyor belt tester according to claim 5, characterized in that, The inner side walls at the rear sides of the L-shaped fixing plates (16) and the connecting plates (18) are both inclined.

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