Fire resistance detection device for fire-resistant air pipe
By using a guide frame and slider system, clamping and adapting to ducts of different diameters is achieved, solving the problem that existing devices cannot adapt to ducts of different diameters, improving detection accuracy and reducing costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-11
- Publication Date
- 2026-03-27
AI Technical Summary
Existing fire-resistant duct testing devices lack adjustable clamping components, making them unsuitable for ducts of different diameters, resulting in inaccurate test results and increased equipment costs.
A guide frame and slider system with a rotating connection was designed. By rotating the rotating shaft, the guide groove and slider are moved to achieve clamping adaptation for air ducts of different diameters. The air ducts are fixed by the lead screw and clamping plate.
It enables stable fixing of ducts of different diameters, improves the applicability of the testing device, reduces testing costs, and ensures the accuracy of testing results.
Smart Images
Figure CN224052053U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to fire -resistant air pipe detection technical field, concretely is a fire -resistant air pipe's fire resistance detection device. BACKGROUND
[0002] The existing fire -resistant air pipe's fire resistance detection device mainly is used to test and evaluate the fire resistance of fire -resistant air pipe, can determine the ability that fire -resistant air pipe can keep its structural integrity and heat insulation performance in a certain time of being burned, namely the fire resistance limit.
[0003] But in its use time, the existing equipment lacks adjustable clamping parts, and the device can only fix the air pipe of specific diameter, and different clamps need to be designed and replaced for the air pipe of different diameters, which not only increases the equipment cost, but also may affect the accuracy of detection results due to the adaptability problem of clamp and air pipe. UTILITY MODEL CONTENTS
[0004] The utility model provides a fire -resistant air pipe's fire resistance detection device.
[0005] The utility model solves the technical problem that the existing equipment lacks adjustable clamping parts, and the device can only fix the air pipe of specific diameter, and different clamps need to be designed and replaced for the air pipe of different diameters, which not only increases the equipment cost, but also may affect the accuracy of detection results due to the adaptability problem of clamp and air pipe.
[0006] The utility model can realize by following technical scheme: including: detection box, the lateral surface of detection box is connected with flame spray head, the output end of flame spray head is located inside detection box, the rear surface of flame spray head is connected with connecting pipe, the inner surface of detection box is rotatably connected with carousel, four slide grooves are arranged on carousel, the inner surface of four slide grooves is slidably connected with sliding block, the lower surface of sliding block is fixedly connected with guide block, the lower surface of carousel is rotatably connected with rotating shaft, the outer wall of rotating shaft is fixedly connected with guide frame, the guide frame is provided with guide groove, the shape of guide groove is arc, the guide block is slidably connected in the inside of guide groove, the upper surface of sliding block is fixedly connected with connecting plate, the upper surface of connecting plate is fixedly connected with fixed block, the upper surface of connecting plate is fixedly connected with support block, the inner surface of support block is threadedly connected with lead screw, one end of lead screw is rotatably connected with clamping plate.
[0007] Further technical improvement of the utility model lies in that the lower surface of detection box is fixedly connected with support leg, and the lateral surface of support leg is fixedly connected with reinforcing rod.
[0008] The further technical improvement of the utility model lies in that the lower surface of the supporting leg is rotationally connected with a rotating shaft, and the side surface of the rotating shaft is fixedly connected with a connecting frame.
[0009] The further technical improvement of the utility model lies in that the inner surface of the connecting frame is rotationally connected with a rotating wheel, and the outer surface of the rotating wheel is fixedly connected with a protective sleeve.
[0010] The further technical improvement of the utility model lies in that the front surface of the detection box is connected with a door frame, and the door frame is provided with a sliding groove one.
[0011] The further technical improvement of the utility model lies in that the inner surface of the sliding groove one is slidingly connected with a sliding door, and the side surface of the sliding door is fixedly connected with a handle.
[0012] The further technical improvement of the utility model lies in that the inner surface of the sliding door is connected with a frame, and the inner wall of the frame is fixedly connected with a transparent glass plate.
[0013] The further technical improvement of the utility model lies in that the outer wall of the connecting pipe is fixedly connected with a connecting flange, and the connecting flange is provided with a fixing hole.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] 1. By rotating the rotating shaft, four guide frames can be driven to rotate, so that the guide grooves drive four guide blocks to move, the guide block movement drives four sliding blocks and connecting plates to move, and finally the components above the four connecting plates for clamping are close or spread, thereby being able to adapt to different diameter air pipes, whether small diameter pipes or large diameter air pipes, etc. can be stably fixed, without the need to design and replace different clamps for different diameter air pipes, the application range of the detection device is improved, and the detection cost is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the drawings.
[0017] Figure 1 It is a front view structural schematic diagram of the utility model;
[0018] Figure 2 It is a local enlarged structural schematic diagram of the utility model;
[0019] Figure 3 It is a sectional view structural schematic diagram of the utility model;
[0020] Figure 4 It is a bottom view structural schematic diagram of the utility model.
[0021] In the figure: 1, detection box; 2, door frame; 3, connecting pipe; 4, reinforcing rod; 5, support leg; 6, rotating shaft; 7, connecting frame; 8, sliding groove one; 9, sliding door; 10, handle; 11, frame; 12, transparent glass plate; 13, sheath; 14, rotating wheel; 15, connecting plate; 16, sliding block; 17, guide block; 18, guide groove; 19, guide frame; 20, rotating disc; 21, sliding groove two; 22, rotating shaft; 23, clamping plate; 24, screw rod; 25, support block; 26, fixed block; 27, flame nozzle. DETAILED DESCRIPTION
[0022] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.
[0023] Please refer to Figures 1-4 As shown in the figure, it comprises: a detection box 1, the lower surface of the detection box 1 is fixedly connected with a support leg 5, the side surface of the support leg 5 is fixedly connected with a reinforcing rod 4, the lower surface of the support leg 5 is rotatably connected with a rotating shaft 6, the side surface of the rotating shaft 6 is fixedly connected with a connecting frame, the inner surface of the connecting frame 7 is rotatably connected with a rotating wheel 14, the outer surface of the rotating wheel 14 is fixedly connected with a sheath 13, the front surface of the detection box 1 penetrates and is connected with a door frame 2, the door frame 2 is provided with a sliding groove one 8, the inner surface of the sliding groove one 8 is slidably connected with a sliding door 9, the side surface of the sliding door 9 is fixedly connected with a handle 10, the inner surface of the sliding door 9 penetrates and is connected with a frame 11, the inner wall of the frame 11 is fixedly connected with a transparent glass plate 12, the side surface of the detection box 1 penetrates and is connected with a flame nozzle 27, the output end of the flame nozzle 27 is located in the interior of the detection box 1, the rear surface of the flame nozzle 27 is communicated with a connecting pipe 3, the outer wall of the connecting pipe 3 is fixedly connected with a connecting flange, the connecting flange is provided with a fixing hole.
[0024] Specifically: open the sliding door 9, place the refractory duct on the rotating disc 20 in the detection box 1, then close the sliding door 9, connect the connecting pipe 3 with the external gas source and the like, the flame nozzle 27 sprays flame into the detection box 1, simulates the fire scene, heats the refractory duct to detect its refractory performance.
[0025] The inner surface of the detection box 1 is rotatably connected with a rotating disc 20, the rotating disc 20 is provided with four sliding grooves two 21, the inner surfaces of the four sliding grooves two 21 are slidably connected with sliding blocks 16, the lower surfaces of the sliding blocks 16 are fixedly connected with guide blocks 17, the lower surface of the rotating disc 20 is rotatably connected with a rotating shaft 22, the outer wall of the rotating shaft 22 is fixedly connected with a guide frame 19, the guide frame 19 is provided with a guide groove 18, the guide groove 18 is in the shape of a circular arc, and the guide blocks 17 are slidably connected in the interiors of the guide grooves 18.
[0026] Specifically: by rotating the rotating shaft 22, the guide frame 19 is driven to rotate, since the guide groove 18 is arc-shaped, the guide block 17 slides in the guide groove 18, thereby driving the sliding block 16 to move in the sliding groove two 21, the movement of the sliding block 16 will make the connecting plate 15 and the fixed block 26, support block 25 and other components move synchronously, finally the clamped components are close or scattered, realizing the adaptation to different diameter air pipes.
[0027] The upper surface of the sliding block 16 is fixedly connected with the connecting plate 15, the upper surface of the connecting plate 15 is fixedly connected with the fixed block 26, the upper surface of the connecting plate 15 is fixedly connected with the support block 25, the inner surface of the support block 25 is threadedly connected with the lead screw 24, and one end of the lead screw 24 is rotatably connected with the clamping plate 23.
[0028] Specifically: when the position movement of the clamped components is completed, when placing the refractory air pipe, the pipe wall of the refractory air pipe needs to be placed between the clamping plate 23 and the fixed block 26, and the clamping plate 23 can be driven to move towards the fixed block 26 by rotating the lead screw 24, so as to fix the refractory air pipe.
[0029] In use, the rotating shaft 22 is rotated to drive the guide frame 19 to rotate, since the guide groove 18 is arc-shaped, the guide block 17 slides in the guide groove 18, thereby driving the sliding block 16 to move in the sliding groove two 21, the movement of the sliding block 16 will make the connecting plate 15 and the fixed block 26, support block 25 and other components move synchronously, finally the clamped components are close or scattered, realizing the adaptation to different diameter air pipes, after adjustment, the refractory air pipe is placed on the turntable 20 in the detection box 1, the pipe wall of the refractory air pipe is placed between the clamping plate 23 and the fixed block 26, the clamping plate 23 can be driven to move towards the fixed block 26 by rotating the lead screw 24, so as to fix the refractory air pipe, after fixing, the connecting pipe 3 is connected with an external gas source, the flame jet head 27 sprays flame into the detection box 1, simulates a fire scene, heats the refractory air pipe, and detects the refractory performance of the refractory air pipe.
[0030] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form, although the utility model has been disclosed as above with a preferred embodiment, however, it is not used to limit the utility model, any person skilled in the art, within the scope of the technical scheme of the utility model, can make some changes or modifications to the equivalent embodiments disclosed above, but as long as it does not deviate from the technical scheme of the utility model, any simple modification, equivalent change and modification of the above embodiment according to the technical essence of the utility model, still belongs to the scope of the technical scheme of the utility model.
Claims
1. A device for testing the fire resistance of a fire resistant duct, characterized in that Include: The detection box (1), the side surface of the detection box (1) is connected with flame spray head (27), the output end of the flame spray head (27) is located in the inside of the detection box (1), the rear surface of the flame spray head (27) is communicated with connecting pipe (3), the inner surface of the detection box (1) is rotatably connected with turntable (20), four slide grooves (21) are arranged on the turntable (20), the inner surface of four slide grooves (21) is slidably connected with sliding block (16), the lower surface of sliding block (16) is fixedly connected with guide block (17), the lower surface of the turntable (20) is rotatably connected with rotating shaft (22). The outer wall of the rotating shaft (22) is fixedly connected with guide frame (19), the guide frame (19) is provided with guide groove (18), the shape of the guide groove (18) is arc, the guide block (17) is slidably connected in the guide groove (18), the upper surface of the sliding block (16) is fixedly connected with connecting plate (15), the upper surface of the connecting plate (15) is fixedly connected with fixed block (26), the upper surface of the connecting plate (15) is fixedly connected with support block (25), the inner surface of the support block (25) is threadedly connected with lead screw (24), one end of the lead screw (24) is rotatably connected with clamping plate (23).
2. A device for testing the fire resistance of a fire resistant duct according to claim 1, characterised in that The lower surface of the detection box (1) is fixedly connected with support leg (5), the side surface of the support leg (5) is fixedly connected with reinforcing rod (4).
3. A device for testing the fire resistance of a fire resistant duct according to claim 2, characterised in that, The lower surface of the support leg (5) is rotatably connected with rotating shaft (6), the side surface of the rotating shaft (6) is fixedly connected with connecting frame (7).
4. A device for testing the fire resistance of a fire resistant duct according to claim 3, wherein The inner surface of the connecting frame (7) is rotatably connected with rotating wheel (14), the outer surface of the rotating wheel (14) is fixedly connected with sheath (13).
5. A device for testing the fire resistance of a fire resistant duct according to claim 1, wherein The front surface of the detection box (1) is connected with door frame (2), the door frame (2) is provided with slide groove (8).
6. A device for testing the fire resistance of a fire resistant duct according to claim 5, wherein The inner surface of the slide groove (8) is slidably connected with sliding door (9), the side surface of the sliding door (9) is fixedly connected with handle (10).
7. A device for testing the fire resistance of a fire resistant duct according to claim 6, characterised in that The inner surface of the sliding door (9) is connected with border frame (11), the inner wall of the border frame (11) is fixedly connected with transparent glass plate (12).
8. A device for testing the fire resistance of a fire resistant duct according to claim 1, wherein The outer wall of the connecting pipe (3) is fixedly connected with connecting flange, the connecting flange is provided with fixed hole.