Device for testing fireproof performance of fireproof door

Abstract

The utility model provides a fireproof performance testing device for a fireproof door, which belongs to the technical field of fireproof door detection equipment and comprises a fixing frame, a fuel pipe arranged on the fixing frame, a plurality of fuel nozzles arranged on the fuel pipe and an auxiliary mechanism connected with the fixing frame and used for assisting detection of the fireproof door. A driving motor is arranged in the waterproof shell; a first gear is arranged on the driving motor; a rotating shaft is arranged on the left side of the mounting frame; a second gear is arranged at one end of the rotating shaft, a chain is connected to the second gear, a sliding groove is formed in the other end of the rotating shaft, and a balancing weight is arranged on one side of the sliding groove; and a lead screw motor is arranged on one side, clamping and overturning of the fireproof door are achieved through the auxiliary mechanism, on one hand, the fireproof door is clamped and fixed on the mounting plate, and on the other hand, a driving motor conducts overturning adjustment on the front face and the back face of the fireproof door through a first gear and a second gear.

Description

Technical Field

[0001] The utility model relates to the technical field of fire door detection equipment, in particular to a fire performance testing device for a fire door. Background Art

[0002] A fire door is a specially designed door that plays a key role in fire isolation in buildings. The material and structure of this door are specially treated so that it can maintain its fire resistance stability, integrity and thermal insulation for a certain period of time. The main function of a fire door is to effectively prevent or delay the spread of fire and smoke when a fire occurs, so as to buy precious time for personnel evacuation and fire rescue. They are usually installed between fire partitions, evacuation stairwells, elevator vestibules and important shafts to ensure that people in the building can evacuate through safe paths in an emergency, while also helping to limit the scope of the fire and reduce fire losses.

[0003] A Chinese patent with authorization publication number CN115876504A discloses a fire performance test device for fire doors, including a box body and a mobile flame spraying assembly. The front and rear sides of the box body are provided with at least two ventilation holes evenly arranged left and right. The upper part of the box body is provided with a mobile flame spraying assembly for evenly testing the fire performance of the fire door. In actual use, the device cannot effectively cool the fire door after burning it, and when flipping the fire door, it is necessary to manually turn the handle to flip the fire door, which is time-consuming and greatly increases the efficiency of detection. Utility Model Content

[0004] In view of this, the utility model provides a device which can not only drive the first gear through a driving motor, so that the first gear pulls the second gear through a chain and drives the rotating shaft to rotate, so that the clamping plate clamps the fire door and then rotates on the mounting frame, but also can use a water pump to pump out water in the water collection tank and spray it out through the tail nozzle, so that the atomized water cools the fire door.

[0005] In order to solve the above technical problems, the utility model provides a fireproof performance testing device for fire doors, comprising a fixed frame, a fuel pipe is provided on the fixed frame, a plurality of fuel nozzles are provided on the fuel pipe, an auxiliary mechanism for assisting the detection of fire doors connected to the fixed frame, the auxiliary mechanism comprising a mounting frame, an expansion frame is provided on the mounting frame, a waterproof shell is provided on the expansion frame, a driving motor is provided in the waterproof shell, a first gear is provided on the driving motor, a rotating shaft is provided on the left side of the mounting frame, a second gear is provided at one end of the rotating shaft, a chain is connected to the second gear, a slide is provided at the other end of the rotating shaft, a counterweight is provided on one side of the slide, a screw motor is provided on one side, a bidirectional screw is provided on the screw motor, two sliders are symmetrically provided on the bidirectional screw, a fixed shaft is provided on the right side of the mounting frame, a limit groove is provided on the fixed shaft, a limit rod is provided in the limit groove, two limit blocks are symmetrically provided on the limit rod, a clamping plate is connected between the limit block and the slider, two brackets are symmetrically provided on the mounting frame, a water collecting tank is provided below the mounting frame, a water pump is provided in the water collecting tank, a water supply pipe is provided on the water pump, and a plurality of spray nozzles are provided on the water supply pipe. The fire door is clamped and flipped through the auxiliary mechanism. On the one hand, the fire door is clamped and fixed on the mounting plate, and on the other hand, the driving motor flips and adjusts the front and back sides of the fire door through the first gear and the second gear.

[0006] The expansion frame is arranged on the inner wall of the mounting frame, the waterproof shell is arranged on the upper base surface of the expansion frame, the driving motor is arranged on the upper base surface of the expansion frame and is located inside the waterproof shell, the first gear is arranged at the output end of the driving motor, and the driving motor is protected by the waterproof shell to prevent the mist water from entering the driving motor when the spray nozzle sprays water to cool the fire door and causing damage to the driving motor.

[0007] The rotating shaft sleeve is arranged in the base surface on the left side of the mounting frame, the second gear is arranged at one end of the rotating shaft, and the slide groove is arranged at the other end of the rotating shaft. The first gear and the second gear are connected by a chain transmission. The first gear is used to do work on the chain, and the rotating first gear carries the second gear to rotate, so that the rotating shaft connected to the second gear rotates.

[0008] The counterweight block is arranged on the right side base surface of the slide, the screw motor is arranged on the left side base surface of the slide, one end of the bidirectional screw is arranged on the output end of the screw motor, and the other end passes through the left side base surface of the slide and is connected to the inner wall. The slider is slidably arranged in the slide through the bidirectional screw, and the weight brought to the slide by the screw motor is adjusted by the counterweight block so that the weight on both sides of the slide is consistent. The bidirectional screw is driven by the screw motor, and the slider is driven to slide in the slide by the rotating bidirectional screw.

[0009] The fixed shaft sleeve is arranged on the right side base surface of the mounting frame, the limit groove is arranged at one end of the fixed shaft, the two ends of the limit rod are respectively connected to the inner side walls on both sides of the limit groove, the limit block is slidably arranged in the limit groove through the limit rod, the limit groove is fixed by the fixed shaft and the limit groove is assisted to rotate on the mounting frame, and the limit block is limited by the limit rod, so that the limit block slides in the limit groove under the restriction of the limit rod.

[0010] One end of the clamping plate is connected to the side base surface of the slider, and the other end is connected to the side base surface of the limit block, and the fire door is fixedly clamped by the clamping plate.

[0011] The bracket is fixedly arranged on the base surface of the mounting frame, the water collecting tank is arranged below the mounting frame, the water pump is arranged inside the water collecting tank, one end of the water supply pipe is arranged at the output end of the water pump, and the other end is mounted on the mounting frame through the bracket, the spray nozzle is fixedly arranged on the water supply pipe, the water supply pipe is fixed by the bracket, and the water in the water collecting tank is drawn by the water pump and sprayed out through the spray nozzle to cool the burned fire door.

[0012] In summary, compared with the prior art, the present application includes at least one of the following beneficial technical effects:

[0013] 1. When the utility model is used, the fire door is clamped and turned over by the auxiliary mechanism, so that the fire door is clamped and fixed on the mounting plate on the one hand, and the driving motor turns the front and back of the fire door through the first gear and the second gear on the other hand.

[0014] 2. When the utility model is used, the weight brought to the slide by the screw motor is adjusted by the counterweight block, so that the weight on both sides of the slide is kept consistent, thereby preventing the slide from tilting to one side due to uneven weight on one side.

[0015] 3. When the utility model is used, water is atomized through the spray nozzle, so that the fire door after burning can be quickly cooled down. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall structure of the utility model;

[0018] Figure 3 It is a rear cross-sectional structural schematic diagram of the utility model;

[0019] Figure 4 It is a schematic diagram of the overall structure of the utility model from a top view;

[0020] Figure 5 It is a left side sectional structural schematic diagram of the utility model.

[0021] Explanation of the reference numerals in the accompanying drawings: 10, fixing frame; 101, fuel pipe; 102, fuel nozzle; 20, auxiliary mechanism; 201, mounting frame; 202, expansion frame; 203, waterproof shell; 204, driving motor; 205, first gear; 206, rotating shaft; 207, second gear; 208, chain; 209, slide groove; 210, counterweight; 211, screw motor; 212, two-way screw; 213, slider; 214, fixing shaft; 215, limiting groove; 216, limiting rod; 217, limiting block; 218, clamping plate; 219, bracket; 220, water collecting tank; 221, water pump; 222, water supply pipe; 223, spray nozzle. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiment of the utility model clearer, the following will be combined with the appended drawings of the embodiment of the utility model. Figure 1-5 , the technical scheme of the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field belong to the scope of protection of the utility model.

[0023] According to one embodiment of the utility model, Figure 1-5As shown: This embodiment provides a fireproof performance testing device for fireproof doors, including a fixing frame 10, a fuel pipe 101 is provided on the fixing frame 10, a plurality of fuel nozzles 102 are provided on the fuel pipe 101, an auxiliary mechanism 20 for assisting fireproof door detection is connected to the fixing frame 10, the auxiliary mechanism 20 includes a mounting frame 201, an expansion frame 202 is provided on the expansion frame 202, a waterproof shell 203 is provided in the waterproof shell 203, a driving motor 204 is provided on the driving motor 204, a first gear 205 is provided on the driving motor 204, a rotating shaft 206 is provided on the left side of the mounting frame 201, a second gear 207 is provided at one end of the rotating shaft 206, a chain 208 is connected to the second gear 207, a slide 209 is provided at the other end of the rotating shaft 206, a counterweight block 210 is provided on one side of the slide 209, a screw motor 211 is provided on one side, a bidirectional screw 212 is provided on the screw motor 211, and a bidirectional screw 212 is provided on the screw motor 211. Two sliders 213 are symmetrically provided on the screw rod 212, a fixed shaft 214 is provided on the right side of the mounting frame 201, a limiting groove 215 is provided on the fixed shaft 214, a limiting rod 216 is provided in the limiting groove 215, two limiting blocks 217 are symmetrically provided on the limiting rod 216, a clamping plate 218 is connected between the limiting block 217 and the slider 213, two brackets 219 are symmetrically provided on the mounting frame 201, a water collecting tank 220 is provided below the mounting frame 201, a water pump 221 is provided in the water collecting tank 220, a water supply pipe 222 is provided on the water pump 221, and a plurality of spray nozzles 223 are provided on the water supply pipe 222, the rotating shaft 206 and the fixed shaft 214 are rotatably connected to the side of the mounting frame 201 through bearings, the limiting groove 215 is fixed to the tail end of the fixed shaft 214 by welding, the slide 209 is fixed to the tail end of the rotating shaft 206 by welding, and the second gear 207 is fixed to the top of the rotating shaft 206 by welding.

[0024] The expansion frame 202 is set on the inner wall of the mounting frame 201, the waterproof shell 203 is set on the upper base surface of the expansion frame 202, the driving motor 204 is set on the upper base surface of the expansion frame 202 and is located inside the waterproof shell 203, the first gear 205 is set at the output end of the driving motor 204, the expansion frame 202 is fixed to the frame body of the mounting frame 201 through the bracket 219, the waterproof shell 203 is connected to the frame body of the expansion frame 202 through a buckle, the driving motor 204 is fixed to the expansion frame 202 through screws, and the first gear 205 is fixed to the output end of the driving motor 204 through bolts.

[0025] The rotating shaft 206 is sleeved in the left side base surface of the mounting frame 201, the second gear 207 is arranged at one end of the rotating shaft 206, the slide groove 209 is arranged at the other end of the rotating shaft 206, the first gear 205 and the second gear 207 are connected by a chain 208, and the chain 208 is connected to the first gear 205 and the second gear 207 by mutual engagement with the gears.

[0026] The counterweight block 210 is arranged on the right side base surface of the slide groove 209, the screw motor 211 is arranged on the left side base surface of the slide groove 209, one end of the bidirectional screw rod 212 is arranged on the output end of the screw motor 211, and the other end passes through the left side base surface of the slide groove 209 and is connected to the inner wall, the slider 213 is slidably arranged in the slide groove 209 through the bidirectional screw rod 212, the counterweight block 210 is fixed to the side base surface of the slide groove 209 by bolts, the screw motor 211 is connected to the slide groove 209 through a connecting shaft, one end of the bidirectional screw rod 212 is connected to the inner wall of the slide groove 209 through a bearing, and the slider 213 is arranged on the bidirectional screw rod 212 through a through hole.

[0027] The fixed shaft 214 is sleeved on the right side base surface of the mounting frame 201, the limiting groove 215 is set at one end of the fixed shaft 214, the two ends of the limiting rod 216 are respectively connected to the inner side walls of the limiting groove 215, and the limiting block 217 is slidably set in the limiting groove 215 through the limiting rod 216.

[0028] One end of the clamping plate 218 is connected to the side base surface of the slider 213 , and the other end is connected to the side base surface of the limit block 217 .

[0029] The bracket 219 is fixedly set on the base surface of the mounting frame 201, the water collecting tank 220 is set below the mounting frame 201, the water pump 221 is set inside the water collecting tank 220, one end of the water supply pipe 222 is set at the output end of the water pump 221, and the other end is mounted on the mounting frame 201 through the bracket 219, and the spray nozzle 223 is fixedly set on the water supply pipe 222.

[0030] The utility model uses: when the fire door is burnt, the fire door is placed between two symmetrical clamping plates 218 through the side of the mounting frame 201, and then the two-way screw 212 is driven by the screw motor 211 to rotate, so that the two sliders 213 are close to each other, and the clamping plates 218 are moved to clamp the fire door by the sliders 213 that are close to each other, and then the fuel nozzle 102 is opened and ignited by using the fuel source, and the fire door is burned by the burning fuel. After a period of time, the drive motor is started. 204, the first gear 205 rotates, and the second gear 207 is rotated by pulling the chain 208, so that the rotating shaft 206 and the fixed shaft 214 carry the limiting groove 215 and the sliding groove 209 to rotate, so that the fire door rotates in the mounting frame 201, and the back of the fire door is burned. When the burning is completed, after observing the burning result, the water in the water collection tank 220 is extracted by driving the water pump 221 and sent to the water supply pipe 222 and sprayed out through the spray nozzle 223 to cool the surface of the fire door.

[0031] The above is a preferred embodiment of the present invention. It should be pointed out that, for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A fireproof door fireproof performance testing device, comprising a fixing frame (10), a fuel pipe (101) being provided on the fixing frame (10), and a plurality of fuel nozzles (102) being provided on the fuel pipe (101), characterized in that: An auxiliary mechanism (20) for assisting fire door detection is connected to the fixing frame (10), the auxiliary mechanism (20) comprising a mounting frame (201), an expansion frame (202) being provided on the mounting frame (201), a waterproof shell (203) being provided on the expansion frame (202), a driving motor (204) being provided inside the waterproof shell (203), a first gear (205) being provided on the driving motor (204), a rotating shaft (206) being provided on the left side of the mounting frame (201), a second gear (207) being provided at one end of the rotating shaft (206), a chain (208) being connected to the second gear (207), a slide groove (209) being provided at the other end of the slide groove (209), a counterweight block (210) being provided on one side of the slide groove (209), and a screw motor (211) being provided on the other side, the screw motor (211) being provided on the other side, A bidirectional screw rod (212) is provided on the mounting frame (201), and two sliding blocks (213) are symmetrically provided on the bidirectional screw rod (212). A fixed shaft (214) is provided on the right side of the mounting frame (201), and a limiting groove (215) is provided on the fixed shaft (214). A limiting rod (216) is provided in the limiting groove (215), and two limiting blocks (217) are symmetrically provided on the limiting rod (216). A clamping plate (218) is connected between the limiting blocks (217) and the sliding block (213). Two brackets (219) are symmetrically provided on the mounting frame (201). A water collecting tank (220) is provided below the mounting frame (201), and a water pump (221) is provided in the water collecting tank (220). A water supply pipe (222) is provided on the water pump (221), and a plurality of spray nozzles (223) are provided on the water supply pipe (222).

2. A fire door fire performance testing device as claimed in claim 1, characterized in that: The expansion frame (202) is arranged on the inner side wall of the mounting frame (201), the waterproof shell (203) is arranged on the upper base surface of the expansion frame (202), the drive motor (204) is arranged on the upper base surface of the expansion frame (202) and is located inside the waterproof shell (203), and the first gear (205) is arranged at the output end of the drive motor (204).

3. A fire door fire performance testing device as claimed in claim 1, characterized in that: The rotating shaft (206) is sleeved in the left side base surface of the mounting frame (201), the second gear (207) is arranged at one end of the rotating shaft (206), the sliding groove (209) is arranged at the other end of the rotating shaft (206), and the first gear (205) and the second gear (207) are connected by transmission via the chain (208).

4. A fire door fire performance testing device as claimed in claim 1, characterized in that: The counterweight block (210) is arranged on the right side base surface of the slide groove (209), the screw motor (211) is arranged on the left side base surface of the slide groove (209), one end of the bidirectional screw rod (212) is arranged at the output end of the screw motor (211), and the other end passes through the left side base surface of the slide groove (209) and is connected to the inner wall, and the slider (213) is slidably arranged in the slide groove (209) through the bidirectional screw rod (212).

5. A fire door fire performance testing device as claimed in claim 1, characterized in that: The fixed shaft (214) is sleeved on the right side base surface of the mounting frame (201), the limiting groove (215) is arranged at one end of the fixed shaft (214), the two ends of the limiting rod (216) are respectively connected to the inner side walls on both sides of the limiting groove (215), and the limiting block (217) is slidably arranged in the limiting groove (215) through the limiting rod (216).

6. A fire door fire performance testing device as claimed in claim 1, characterized in that: One end of the clamping plate (218) is connected to the side base surface of the sliding block (213), and the other end is connected to the side base surface of the limiting block (217).

7. A fire door fire performance testing device as claimed in claim 1, characterized in that: The bracket (219) is fixedly arranged on the upper base surface of the mounting frame (201); the water collecting tank (220) is arranged below the mounting frame (201); the water pump (221) is arranged inside the water collecting tank (220); one end of the water supply pipe (222) is arranged at the output end of the water pump (221); and the other end is mounted on the mounting frame (201) through the bracket (219); and the spray nozzle (223) is fixedly arranged on the water supply pipe (222).

Images