Industrial cold box pipeline pressure detection device
By designing an industrial cold box pipeline testing device, the problems of existing industrial cold box pipeline pressure testing devices are solved. This new device achieves high efficiency, simplifies operation, and reduces the technical requirements for operators, enabling even non-professionals to effectively detect pipeline leaks.
Patent Information
- Application Number
- CN202520557717.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2035-03-27
AI Technical Summary
Current technologies for industrial cold box pipeline pressure testing require expensive ultrasonic testing equipment and infrared thermal imagers, which are complex to operate, highly specialized, and inconvenient for non-professionals.
A pipeline pressure detection device including a support frame, a clamping sealing assembly, and a monitor was designed. The clamping sealing assembly seals the pipeline, and the leak point is marked at the leak location through a dye supply system inside the bellows, simplifying the operation process.
It reduces equipment purchase costs, simplifies operation procedures, and lowers the technical requirements for operators, enabling non-professionals to effectively detect pipeline leaks.
Smart Images

Figure CN223691967U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to cold box pipeline detection technical field especially relates to a kind of industrial cold box pipeline pressure detection device. BACKGROUND
[0002] Water pressure leak detection is carried out on the pipeline of industrial cold box to ensure the safety and reliability of the pipeline system. Water pressure leak detection is a common non-destructive testing method. By applying water pressure higher than the normal working pressure to the pipeline, it checks whether the pipeline leaks or has other defects. This detection method can help identify potential problems in the pipeline, such as weld defects, corrosion, wear and tear, etc., so that repairs can be made at an early stage to avoid production interruptions, environmental pollution and safety accidents caused by pipeline leaks.
[0003] In the prior art, the pipeline pressure detection device needs to use expensive ultrasonic detectors, infrared thermographic instruments and other equipment to accurately locate the leakage point during the detection of the cold box pipeline. The purchase cost is high, and these devices need to be operated by personnel with professional training. The technical requirements for the operator are high, and it is not convenient for non-professionals to use. SUMMARY
[0004] The utility model aims at solving the problem of the prior art that the pipeline pressure detection device needs to use expensive ultrasonic detectors, infrared thermographic instruments and other equipment to accurately locate the leakage point during the detection of the cold box pipeline. The purchase cost is high, and these devices need to be operated by personnel with professional training. The technical requirements for the operator are high, and it is not convenient for non-professionals to use. A kind of industrial cold box pipeline pressure detection device is proposed.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A kind of industrial cold box pipeline pressure detection device, including support frame, the support frame top is fixedly arranged with top table, the top table top is opened with horizontal slot, the top table side edge position is fixedly arranged with clamping motor, the clamping motor output end is fixedly arranged with clamping screw rod, the clamping screw rod outer wall is symmetrically provided with the outer thread of opposite rotation, the clamping screw rod outer wall is symmetrically provided with inverted U rod, the inverted U rod is provided with the clamping sealing assembly for clamping and sealing cold box pipeline;The top table one end is fixedly arranged with monitor, the top table is fixedly arranged with bellows on the side of monitor, the bellows top is sequentially provided with pressure gauge, solenoid valve, and the pressure gauge, solenoid valve are connected to monitor.
[0007] Optionally, the clamping sealing assembly includes left cover, right cover and butt joint pipe. One end of the inverted U rod is inserted into the horizontal slot, and the butt joint pipe is rotatably connected to one end of the inverted U rod near the monitor.
[0008] Optionally, the left cover is fixedly connected to the other end of the butt joint pipe, and the inverted U-shaped rod is fixedly arranged on the side of the butt joint pipe.
[0009] Optionally, the inverted U-shaped rod is fixedly arranged on the side away from the monitor, and the right cover is fixedly arranged on the output end of the turnover motor.
[0010] Optionally, one end of the butt joint pipe is movably inserted into the fixed pipe, one end of the fixed pipe is fixedly connected to one end of the corrugated pipe, and the left cover and the right cover are provided with a tapered cavity on the side.
[0011] Optionally, the auxiliary frame is fixedly arranged at the bottom of the support frame, and the arc-shaped groove is arranged at the top of the auxiliary frame.
[0012] Compared with the prior art, the utility model has the following advantages:
[0013] 1. The utility model discloses a clamping and sealing assembly is arranged at the top of the workbench, the corrugated pipe is externally connected with the dye supply system on the side of the clamping and sealing assembly after the two ends of the cold box are sealed and clamped, the monitor continuously blows the colored dye into the inside of the cold box pipeline, when the cold box pipeline leaks at somewhere, the colored dye leaks from the leakage position, and the leakage position is quickly marked, compared with the traditional method, the expensive ultrasonic detector, infrared thermal imager and other equipment are needed to accurately position the leakage point, the purchase cost is greatly reduced, and the personnel without professional training can operate skillfully, the technical requirement of the operating personnel is greatly reduced, and the utility model is convenient for non-professional persons to use. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model.
[0015] Figure 2 It is another view structure schematic view of the utility model. Figure 1
[0016] Figure 3 It is a structure schematic view of the left cover and the connecting piece thereof.
[0017] In the drawing: 1, fixed pipe; 2, electromagnetic valve; 3, monitor; 4, pressure gauge; 5, corrugated pipe; 6, support frame; 7, auxiliary frame; 71, arc-shaped groove; 8, top table; 81, transverse slot; 9, clamping screw; 10, clamping motor; 11, left cover; 110, butt joint pipe; 12, right cover; 13, turnover motor; 14, inverted U-shaped rod. DETAILED DESCRIPTION
[0018] Clearly, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.
[0019] Referring to Figures 1-3 The utility model provides an industrial cold box pipeline pressure detection device, including support frame 6, support frame 6 top fixedly arranged with top table 8, and the top of top table 8 is provided with horizontal slot 81, and the side edge position of top table 8 is fixedly arranged with clamping motor 10, and the output of clamping motor 10 is fixedly arranged with clamping screw rod 9, and the outer wall of clamping screw rod 9 is symmetrically provided with opposite screw threads, and the outer wall of clamping screw rod 9 is symmetrically provided with inverted U rod 14, when clamping screw rod 9 rotates unidirectionally, two inverted U rods 14 are close to each other or away from each other.
[0020] Inverted U rod 14 is provided with clamping sealing assembly for clamping and sealing cold box pipeline, one end of top table 8 is fixedly arranged with monitor 3, one side of top table 8 is fixedly arranged with bellows 5, and pressure gauge 4 and electromagnetic valve 2 are sequentially arranged on the top of bellows 5, and pressure gauge 4 and electromagnetic valve 2 are connected to monitor 3, and the model of monitor 3 can be selected as Raspberry Pi4 Model B, and pressure gauge 4 and electromagnetic valve 2 can be connected.
[0021] Clamping sealing assembly includes left sealing cover 11, right sealing cover 12 and butt joint pipe 110, one end of inverted U rod 14 is inserted into the inside of horizontal slot 81, one end of inverted U rod 14 close to one side of monitor 3 is rotatably connected with butt joint pipe 110, the other end of butt joint pipe 110 is fixedly connected with left sealing cover 11, fixed pipe 1 is fixedly arranged on the side of inverted U rod 14, overturning motor 13 is fixedly arranged on the side of inverted U rod 14 away from one side of monitor 3, right sealing cover 12 is fixedly arranged on the output of overturning motor 13, one end of butt joint pipe 110 is movably inserted into the inside of fixed pipe 1, one end of fixed pipe 1 is fixedly connected with one end of bellows 5, and the end of bellows 5 needs to be connected with colored dye supply equipment, and the colored dye supply equipment can be water tank with water pump, and the inside of water tank is guided into sufficient colored dye.
[0022] Tapered cavities are formed in the sides of left sealing cover 11 and right sealing cover 12, auxiliary frame 7 is fixedly arranged at the bottom of support frame 6, arc-shaped slot 71 is formed in the top of auxiliary frame 7, and the pipeline to be detected is assisted and supported, overturning motor 13 arranged on the side of right sealing cover 12 can assist the overturning of the pipeline to be detected clamped by clamping sealing assembly, so that workers can easily observe the leakage position of the pipeline to be detected.
[0023] The specific implementation steps and principles of the utility model are as follows:
[0024] In the initial state, the worker puts the pipe to be detected into the top of the arc-shaped groove 71, starts the clamping motor 10, and drives the left cover 11 and the right cover 12 to be close to each other to seal and clamp the two ends of the pipe to be detected. The monitor 3 controls the electromagnetic valve 2 to be opened, the dye supply system connected to one end of the bellows 5 supplies sufficient dye into the pipe, and when the pressure gauge obtains that the internal pressure of the pipe reaches the preset pressure, the monitor 3 closes the electromagnetic valve 2, and the worker observes whether the dye leaks from the surface of the pipe.
[0025] The above is only a preferred specific implementation manner of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. An industrial cold box piping pressure detection device comprising a support frame (6), characterized in that, The support frame (6) top fixedly provided with top table (8), the top table (8) top is opened with horizontal slot (81), the top table (8) side edge position fixedly provided with clamping motor (10), the clamping motor (10) output end fixedly provided with clamping screw rod (9), the clamping screw rod (9) outer wall is provided with the outer thread of opposite rotation direction symmetry, the clamping screw rod (9) outer wall is provided with the inverted U rod (14) symmetry, the inverted U rod (14) is provided with the clamping sealing assembly that cold box pipeline is sealed with clamping, The top table (8) one end is fixedly provided with monitor (3), and the top table (8) is fixedly provided with bellow (5) on one side of monitor (3), and the bellow (5) top is sequentially provided with pressure gauge (4), electromagnetic valve (2), and the pressure gauge (4), electromagnetic valve (2) are connected to monitor (3).
2. The industrial cold box piping pressure detection device according to claim 1, wherein, The clamping sealing assembly includes left cover (11), right cover (12) and butt joint pipe (110), one end of the inverted U rod (14) is inserted into the horizontal slot (81), and one end of the inverted U rod (14) is rotatably connected to the butt joint pipe (110) near the side of the monitor (3).
3. The industrial cold box piping pressure detection device of claim 2, wherein, The other end of the butt joint pipe (110) is fixedly connected with the left cover (11), and the side of the inverted U rod (14) is fixedly provided with the fixed pipe (1).
4. The industrial cold box piping pressure detection device of claim 1, wherein, The side of the inverted U rod (14) away from the side of the monitor (3) is fixedly provided with the turnover motor (13), and the output end of the turnover motor (13) is fixedly provided with the right cover (12).
5. The industrial cold box piping pressure detection device of claim 3, wherein, One end of the butt joint pipe (110) is movably inserted into the fixed pipe (1), one end of the fixed pipe (1) is fixedly connected with one end of the bellow (5), and the side of the left cover (11) and the right cover (12) is provided with a tapered cavity.
6. The industrial cold box piping pressure detection device of claim 1, wherein, The bottom of the support frame (6) is fixedly provided with an auxiliary frame (7), and the top of the auxiliary frame (7) is provided with an arc-shaped groove (71).