Airtightness detection equipment for fire-fighting pipeline

The servo motor and cylinder-driven adjustment system solves the problem that existing equipment cannot adapt to fire protection pipes of different sizes, and achieves efficient air tightness detection.

CN223376858UActive Publication Date: 2025-09-23SHANDONG WANFENG FIRE TECH GRP CO LTD
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Patent Information

Application Number
CN202422810539.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-09-23
Estimated Expiration
2034-11-19

AI Technical Summary

Technical Problem

Existing air tightness testing equipment cannot be flexibly adjusted to suit fire protection pipes of different lengths and diameters, resulting in low testing efficiency.

Method used

The adjustment system driven by servo motor and air cylinder is used to adjust the spacing and height of the inflatable shell to achieve automatic clamping and sealing of fire pipes of different lengths and diameters, and the air tightness test is carried out in combination with the air pump and sealing disk.

Benefits of technology

It realizes efficient air tightness detection of fire protection pipes of different lengths and diameters, and improves detection efficiency and convenience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses fire-fighting pipeline air tightness detection equipment, and belongs to the technical field of pipeline detection. A fire-fighting pipeline air tightness detection device comprises a water tank, a detection frame is connected in the water tank through a lifting member, the fire-fighting pipeline air tightness detection device further comprises two frame bodies which are slidably installed on the two sides of the detection frame respectively, inflation shells are installed on the frame bodies, and a first adjusting part is arranged on the detection frame; according to the utility model, by starting the servo motor, the fire-fighting pipelines with different lengths can be conveniently clamped and sealed, so that the fire-fighting pipelines with different lengths can be conveniently detected, and by starting the air cylinder B, the heights of the two inflation shells can be automatically adjusted according to the diameters of the fire-fighting pipelines; therefore, the device is suitable for the detection of fire-fighting pipelines with different diameters, brings convenience to the detection work of workers, and facilitates the improvement of the air tightness detection efficiency of the fire-fighting pipelines.
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Description

Technical Field

[0001] The utility model relates to the technical field of pipeline detection, in particular to a fire protection pipeline air tightness detection device. Background Art

[0002] Fire-fighting pipes refer to pipe materials used in fire-fighting, connecting fire-fighting equipment and instruments, and transporting water, gas or other media for fire-fighting. Before the fire-fighting pipes are produced and shipped out of the factory, they need to be tested for air tightness to ensure the factory pass rate of the pipes.

[0003] When testing the air tightness of fire protection pipes, the fire protection pipes are placed on the inspection equipment and both ends of the pipes are sealed. Then, air pressure is introduced into the pipes. After that, the fire protection pipes are immersed in water and the appearance of bubbles is observed to complete the air tightness testing of the fire protection pipes. However, in the actual testing process, the current testing equipment is not convenient to flexibly adjust according to the size of the fire protection pipes, making the equipment inconvenient to apply to the testing of fire protection pipes of different lengths and diameters, which is not conducive to improving the testing efficiency of the pipes. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that the current air tightness detection equipment is not suitable for the detection of fire pipes of different lengths and diameters, which is not conducive to improving the efficiency of pipeline detection, and to propose a fire pipe air tightness detection equipment.

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

[0006] A fire protection pipe air tightness detection device includes a water tank, in which a detection frame is connected via a lifting member, and further includes: two frames, respectively slidably mounted on both sides of the detection frame, wherein an inflatable shell is mounted on the frame, and a first adjustment part is provided on the detection frame, and the first adjustment part is used to drive the two frames to move toward and away from each other; a second adjustment part is provided on the frame, wherein the second adjustment part is used to drive the inflatable shell to move up and down, and a positive pressure part is provided on the inflatable shell, and the positive pressure part is used to generate positive pressure in the fire protection pipe.

[0007] In order to facilitate the detection of fire pipes of different lengths, preferably, the first adjustment part includes a servo motor fixedly mounted on the detection frame, and the detection frame is rotatably connected to a double-headed screw, wherein the surface of the double-headed screw and the output end of the servo motor are fixedly connected to a pulley connected by a belt, and the two frames are respectively threadedly connected to both sides of the outer wall of the double-headed screw.

[0008] In order to guide the frame, preferably, both sides of the frame are fixedly connected with guide blocks, both sides of the detection frame are provided with guide grooves, and the guide blocks are laterally slidably connected in the guide grooves.

[0009] In order to seal and inflate the fire-fighting pipe, preferably, the positive pressure member includes a plurality of exhaust nozzles connected to the inflatable shell, a one-way valve is installed in the exhaust nozzle, a sealing disk is sleeved on the exhaust nozzle, and the sealing disk is fixedly connected to the surface of the inflatable shell, wherein an air pump is fixedly installed on the frame, and the air delivery end of the air pump is connected to the inflatable shell through an air delivery pipe.

[0010] In order to facilitate the detection of fire pipes of different diameters, preferably, the second adjusting part includes a cylinder B fixedly mounted on the frame, the output end of the cylinder B is fixedly connected to a connecting disk, and the inflatable shell is fixedly connected to the connecting disk, wherein a pipe column is fixedly mounted on the frame, and a telescopic rod is fixedly connected to the top of the inflatable shell, and the telescopic rod is slidably connected in the pipe column.

[0011] In order to immerse the fire-fighting pipe on the drive detection frame into water, preferably, the lifting member includes two fixed plates fixedly connected to the water tank, and the cylinder A is fixedly installed on the top of the fixed plate, wherein a connecting plate is fixedly connected to the detection frame, and the end of the connecting plate away from the detection frame is fixedly connected to the output end of the cylinder A.

[0012] Compared with the existing technology, the present invention provides a fire protection pipeline air tightness detection device, which has the following beneficial effects:

[0013] 1. The fire-fighting pipe air tightness testing equipment can automatically adjust the distance between the two inflatable shells according to the length of the fire-fighting pipe by starting the servo motor, so as to clamp and seal fire-fighting pipes of different lengths, thereby being convenient for testing fire-fighting pipes of different lengths and helping to improve the efficiency of air tightness testing of fire-fighting pipes.

[0014] 2. The fire-fighting pipe air tightness testing equipment can automatically adjust the height of the two inflatable shells according to the diameter of the fire-fighting pipe by starting the cylinder B, so as to clamp and seal the fire-fighting pipes of different diameters, thereby being convenient for testing fire-fighting pipes of different diameters, bringing convenience to the workers' testing work, and helping to further improve the efficiency of the air tightness testing of the fire-fighting pipes.

[0015] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model solves the problem that the current air tightness detection equipment is not suitable for the detection of fire pipes of different lengths and diameters, which is not conducive to improving the efficiency of pipeline detection. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the axonometric structure of a fire protection pipeline air tightness detection device proposed by the present invention from a first perspective;

[0017] Figure 2 This is a schematic diagram of the axonometric structure from a second perspective of a fire protection pipeline air tightness detection device proposed by the present invention;

[0018] Figure 3 This is a partial axonometric structure diagram of a fire protection pipeline air tightness detection device proposed in this utility model. Figure 1 ;

[0019] Figure 4 This is a partial axonometric structure diagram of a fire protection pipeline air tightness detection device proposed in this utility model. Figure 2 ;

[0020] Figure 5 This is a schematic diagram of the frame structure of a fire protection pipeline air tightness detection device proposed in the utility model;

[0021] Figure 6 This is a schematic diagram of the cross-sectional structure of the inflatable shell of a fire protection pipeline air tightness detection device proposed by the utility model.

[0022] In the figure: 1. Water tank; 2. Detection frame; 21. Fixing plate; 22. Connecting plate; 23. Cylinder A; 3. Frame; 31. Guide block; 32. Guide groove; 4. Inflatable shell; 5. Servo motor; 51. Double-headed screw; 52. Pulley; 6. Cylinder B; 61. Connecting plate; 63. Pipe column; 64. Telescopic rod; 7. Exhaust nozzle; 71. Sealing plate; 72. Air pump; 73. Air pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0025] Example:

[0026] Reference Figures 1-6The embodiment of the present invention provides a fire-fighting pipe air tightness detection device, including a water tank 1 with an opening on the top, a detection frame 2 connected to the water tank 1 through a lifting member, and a sewage pipe connected to one side of the water tank 1. It also includes: two frames 3, which are slidably mounted on both sides of the detection frame 2, wherein an inflatable shell 4 is mounted on the frame 3, and a first adjustment part is provided on the detection frame 2, and the first adjustment part is used to drive the two frames 3 to move toward and away from each other; a second adjustment part is provided on the frame 3, wherein the second adjustment part is used to drive the inflatable shell 4 to move up and down, and a positive pressure part is provided on the inflatable shell 4, and the positive pressure part is used to generate positive pressure in the fire-fighting pipe.

[0027] Specifically, during use, through the setting of the first adjustment part, the distance between the two inflatable shells 4 can be automatically adjusted according to the length of the fire-fighting pipe, which is convenient for use in the detection of fire-fighting pipes of different lengths, and is beneficial to improving the efficiency of air-tightness detection of fire-fighting pipes. Through the setting of the second adjustment part, the height of the two inflatable shells 4 can be automatically adjusted according to the diameter of the fire-fighting pipe, which is convenient for use in the detection of fire-fighting pipes of different diameters, which brings convenience to the workers' detection work and is beneficial to further improving the efficiency of air-tightness detection of fire-fighting pipes.

[0028] The first adjustment part includes a servo motor 5 fixedly mounted on the detection frame 2, and a double-headed screw 51 is rotatably connected to the detection frame 2, wherein the surface of the double-headed screw 51 and the output end of the servo motor 5 are fixedly connected with a pulley 52 connected by a belt, and the two frames 3 are respectively threadedly connected to both sides of the outer wall of the double-headed screw 51.

[0029] Specifically, when in use, by starting the servo motor 5 and driving the pulley 52 and the double-headed screw 51 to rotate, under the action of opposite threads, the two frames 3 and the inflatable shell 4 move toward or away from each other, and the distance between the two inflatable shells 4 can be automatically adjusted according to the length of the fire pipe, so as to clamp and seal fire pipes of different lengths, thereby facilitating the detection of fire pipes of different lengths, and helping to improve the detection efficiency of fire pipes.

[0030] Guide blocks 31 are fixedly connected to both sides of the frame 3 , and guide grooves 32 are formed on both sides of the detection frame 2 . The guide blocks 31 are laterally slidably connected in the guide grooves 32 .

[0031] Specifically, the guide block 31 and the guide groove 32 are provided to guide the frame 3 , thereby improving its stability during movement.

[0032] The positive pressure part includes a plurality of exhaust nozzles 7 connected to the inflatable shell 4, a one-way valve is installed in the exhaust nozzle 7, a sealing disk 71 is sleeved on the exhaust nozzle 7, and the sealing disk 71 is fixedly connected to the surface of the inflatable shell 4, wherein an air pump 72 is fixedly installed on the frame 3, and the air delivery end of the air pump 72 is connected to the inflatable shell 4 through an air delivery pipe 73, and the sealing disk 71 is made of rubber.

[0033] Specifically, by setting the sealing disk 71, the two ends of the fire protection pipe can be sealed, and by starting the air pump 72, the outside air enters the inflation shell 4 through the air pipe 73 and enters the fire protection pipe through the exhaust nozzle 7, so that the fire protection pipe can be sealed and inflated so that the air tightness of the pipe can be tested.

[0034] The second adjustment part includes a cylinder B6 fixedly mounted on the frame 3, the output end of the cylinder B6 is fixedly connected to a connecting disk 61, and the inflatable shell 4 is fixedly connected to the connecting disk 61, wherein a pipe column 63 is fixedly mounted on the frame 3, and a telescopic rod 64 is fixedly connected to the top of the inflatable shell 4, and the telescopic rod 64 is slidably connected in the pipe column 63.

[0035] Specifically, when in use, by starting the cylinder B6, the output end of the cylinder B6 drives the connecting plate 61 to move upward or downward, and drives the inflatable shell 4 to move together. The height of the two inflatable shells 4 can be automatically adjusted according to the diameter of the fire pipe, so as to clamp and seal the fire pipes of different diameters, thereby facilitating the inspection of fire pipes of different diameters, bringing convenience to the workers' inspection work, and helping to further improve the efficiency of air tightness inspection of fire pipes.

[0036] The lifting member includes two fixed plates 21 fixedly connected to the water tank 1, and a cylinder A23 is fixedly installed on the top of the fixed plate 21, wherein a connecting plate 22 is fixedly connected to the detection frame 2, and the end of the connecting plate 22 away from the detection frame 2 is fixedly connected to the output end of the cylinder A23.

[0037] Specifically, by starting the cylinder A23 and driving the connecting plate 22 to move upward or downward, and driving the detection frame 2 to move together, the fire protection pipe placed on the detection frame 2 can be immersed in water for air tightness detection.

[0038] Working Principle: During use, the fire protection pipe air tightness test equipment is first placed on the test frame 2. Then, the servo motor 5 is started to drive the pulley 52 and the double-headed screw 51 to rotate. Under the action of the opposite threads, the two frames 3 and the inflatable shell 4 move toward each other. The distance between the two inflatable shells 4 can be automatically adjusted according to the length of the fire protection pipe, so that the fire protection pipe can be clamped and sealed by the sealing disks 71 on both sides, thereby being convenient for testing fire protection pipes of different lengths.

[0039] In addition, by starting the air pump 72, the outside air enters the inflation shell 4 through the air supply pipe 73 and is discharged into the fire-fighting pipe through the exhaust nozzle 7, so that the sealed fire-fighting pipe can be inflated. Then, by starting the cylinder A23 and driving the detection frame 2 and the fire-fighting pipe to be immersed in water, an air-tightness test can be performed.

[0040] In addition, when in use, by starting the cylinder B6, the output end of the cylinder B6 drives the connecting plate 61 to move upward or downward, and drives the inflatable shell 4 to move together, and can automatically adjust the height of the two inflatable shells 4 according to the diameter of the fire pipe, so as to clamp and seal the fire pipes of different diameters, thereby facilitating the inspection of fire pipes of different diameters, bringing convenience to the workers' inspection work, and helping to improve the efficiency of air tightness inspection of fire pipes.

[0041] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. A fire protection pipeline air tightness detection device, comprising a water tank (1), characterized in that: The water tank (1) is connected to a detection frame (2) via a lifting member, and further comprises: Two frames (3) are slidably mounted on both sides of the detection frame (2). The frame (3) is provided with an inflatable shell (4), and the detection frame (2) is provided with a first adjustment portion, the first adjustment portion being used to drive the two frames (3) to move toward and away from each other; A second adjustment portion provided on the frame (3), The second regulating part is used to drive the inflatable shell (4) to move up and down, and the inflatable shell (4) is provided with a positive pressure piece, and the positive pressure piece is used to generate positive pressure in the fire protection pipe.

2. A fire protection pipeline air tightness detection device according to claim 1, characterized in that: The first adjustment part comprises a servo motor (5) fixedly mounted on the detection frame (2), and a double-headed screw (51) is rotatably connected to the detection frame (2). The surface of the double-headed screw (51) and the output end of the servo motor (5) are fixedly connected to a pulley (52) connected via a belt, and the two frames (3) are respectively threadedly connected to both sides of the outer wall of the double-headed screw (51).

3. The fire protection pipeline air tightness detection equipment according to claim 1, characterized in that: Both sides of the frame (3) are fixedly connected with guide blocks (31), and both sides of the detection frame (2) are provided with guide grooves (32), and the guide blocks (31) are laterally slidably connected in the guide grooves (32).

4. The fire protection pipeline air tightness detection equipment according to claim 1, characterized in that: The positive pressure member comprises a plurality of exhaust nozzles (7) connected to the inflatable shell (4), a one-way valve is installed in the exhaust nozzle (7), a sealing disk (71) is sleeved on the exhaust nozzle (7), and the sealing disk (71) is fixedly connected to the surface of the inflatable shell (4). An air pump (72) is fixedly mounted on the frame (3), and an air delivery end of the air pump (72) is connected to the inflatable shell (4) via an air delivery pipe (73).

5. The fire protection pipeline air tightness detection equipment according to claim 1, characterized in that: The second regulating part comprises a cylinder B (6) fixedly mounted on the frame (3), the output end of the cylinder B (6) is fixedly connected to a connecting disk (61), and the inflatable shell (4) is fixedly connected to the connecting disk (61). A pipe column (63) is fixedly mounted on the frame (3), a telescopic rod (64) is fixedly connected to the top of the inflatable shell (4), and the telescopic rod (64) is slidably connected inside the pipe column (63).

6. The fire protection pipeline air tightness detection equipment according to claim 1, characterized in that: The lifting member comprises two fixed plates (21) fixedly connected to the water tank (1), and a cylinder A (23) is fixedly mounted on the top of the fixed plates (21). A connecting plate (22) is fixedly connected to the detection frame (2), and one end of the connecting plate (22) away from the detection frame (2) is fixedly connected to the output end of the cylinder A (23).