Leakage detection device for water hose processing

Abstract

The utility model discloses a leakage detection device for water hose processing, which relates to the technical field of water hose leakage detection, and comprises an accommodating disc which is of a basin-shaped structure, and the center of the accommodating disc is rotatably connected with a rotary column; the servo motor is fixedly connected to the bottom of the containing disc and used for driving the rotary column to rotate; the connecting pipe is fixedly connected to the outer side of the rotary column, and a quick connector is arranged at the end of the connecting pipe and used for communicating with one end of a water hose; the sealing head is used for sealing the other end of the water hose; the air pump is mounted in the rotary column and used for pumping air into the water hose through the connecting pipe; and the limiting mechanism is spirally distributed in the accommodating disc. According to the utility model, through the design of the spirally distributed accommodating groove and the liftable supporting rod, the uniform spiral distribution of the water hose in the detection process is realized, the overlapping or knotting phenomenon of the water hose is effectively avoided, and the detection accuracy and reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of hose leak detection technology, specifically a leak detection device for hose processing. Background Technology

[0002] Water hoses are essential water delivery tools in firefighting, irrigation, and industrial cleaning. Their sealing performance directly affects safety and work efficiency. During the production and processing of water hoses, leak detection is crucial to ensure product quality. Common leak detection methods include water pressure and air pressure methods, which involve filling the hose with a pressurized medium and observing for leaks. With the development of automation technology, more and more leak detection equipment is integrating automatic control and intelligent monitoring functions to improve detection efficiency and accuracy.

[0003] However, during the testing process, water hoses are prone to overlapping, knotting, or warping due to improper placement. This not only leads to distorted test data, failing to accurately reflect the true sealing performance of the water hoses, but may also cause excessive local compression or wear of the water hoses due to uneven force, seriously affecting product quality and even causing safety hazards in subsequent use. Secondly, the clamping operation of traditional equipment is cumbersome and inconvenient to disassemble, usually requiring repeated manual adjustments to the fixed position and tightness, which not only significantly increases the labor intensity of operators but also significantly prolongs the auxiliary time for a single test. Therefore, a leak detection device for water hose processing is needed to solve the existing shortcomings. Utility Model Content

[0004] 1. Technical problems to be solved

[0005] Existing hose leak detection devices suffer from problems such as hose overlap and warping during detection, leading to data distortion, and cumbersome and inefficient clamping operations.

[0006] 2. Technical Solution

[0007] To solve the above problems, the present invention adopts the following technical solution.

[0008] A leak detection device for hose processing, comprising:

[0009] The container is basin-shaped with a rotating column at its center.

[0010] A servo motor is fixedly connected to the bottom of the receiving plate and is used to drive the rotating column to rotate;

[0011] The connecting pipe is fixedly connected to the outside of the rotating column, and its end is equipped with a quick connector for connecting to one end of the water hose.

[0012] A sealing head is used to seal the other end of a water hose;

[0013] An air pump, installed inside the rotating column, is used to pump air into the water hose through a connecting pipe;

[0014] The limiting mechanism is spirally distributed within the receiving tray to expand the water hose into a spiral shape during the winding process;

[0015] The anti-warping mechanism, located inside the receiving tray, is used to prevent the water hose from sliding upwards during inflation.

[0016] Furthermore, the receiving tray has perforations for the water hose to enter the inner side of the receiving tray; the receiving tray also has spirally distributed receiving grooves for accommodating the limiting mechanism.

[0017] Furthermore, the limiting mechanism comprises:

[0018] The strut is movably connected to the receiving groove via a pivot.

[0019] The connecting rod is hinged at one end to the side of the support rod near the receiving groove;

[0020] The drive rod is rotatably connected to the receiving groove;

[0021] The slider is threaded to the outside of the drive rod and slides into the receiving groove.

[0022] A micro motor is installed in a receiving slot, and its output end is connected to the drive rod for transmission.

[0023] The connecting rod is hinged to the slider at the end away from the support rod. The slider is moved by the rotation of the drive rod, so that the connecting rod rotates and lifts the support rod from the receiving groove to the vertical position.

[0024] Furthermore, when the support rod is raised, it contacts the side of the water hose near the rotating column, so that the water hose maintains a spiral distribution during the winding process.

[0025] Furthermore, the anti-tilting mechanism includes:

[0026] The sleeve is movably fitted onto the top of the rotating column;

[0027] Five pressure rods are fixedly connected to the outside of the sleeve.

[0028] An electric push rod, fixed inside the rotating column, is used to control the lifting and lowering of the sleeve;

[0029] The receiving groove has an annular groove, and the end of the pressure rod away from the sleeve is movably set in the annular groove.

[0030] Furthermore, the pressure rod is driven to rise and fall by an electric push rod to hold the top of the water hose and prevent it from sliding upwards during inflation.

[0031] Furthermore, the connecting pipe is detachably connected to one end of the water hose via a quick-connect fitting, facilitating quick replacement of water hoses of different specifications.

[0032] Furthermore, the air pump is electrically connected to the control system for real-time monitoring and adjustment of the air pressure inside the water hose.

[0033] 3. Beneficial Effects

[0034] Compared with existing technologies, the advantages of this utility model are:

[0035] I. This utility model achieves a uniform spiral distribution of the water hose during the testing process through the spiral distribution of the receiving groove and the design of the liftable support rod, effectively avoiding the phenomenon of water hose overlapping or knotting, and improving the accuracy and reliability of the test.

[0036] Second, this utility model simplifies the installation and disassembly process of water hoses by using quick connectors and sealing heads together. Operators can complete the connection with just a light press, which greatly improves work efficiency and reduces labor intensity.

[0037] Third, this utility model achieves precise control and real-time monitoring of the internal air pressure of the water hose through the combination of an oil-free micro high-pressure air pump and an intelligent control system. When the air pressure reaches the set value, inflation automatically stops, and when the air pressure drops below the threshold, an alarm is automatically triggered, ensuring the safety and accuracy of the detection process.

[0038] Fourth, this utility model, through the design of the electric push rod and pressure rod in the anti-tilting mechanism, can automatically adjust the holding force according to the internal air pressure of the water hose, effectively preventing the water hose from sliding upward or tilting under the action of air pressure, while avoiding excessive pressure that could cause deformation of the water hose and protecting the integrity of the water hose. Attached Figure Description

[0039] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0040] Figure 2 This is a schematic cross-sectional view of the present invention.

[0041] Figure 3 This is a schematic diagram of the internal structure of the receiving tray of this utility model;

[0042] Figure 4 This utility model Figure 3 Another perspective on the structure.

[0043] In the diagram: 1. Receiving plate; 2. Rotating column; 3. Servo motor; 4. Connecting pipe; 5. Sealing head; 6. Limiting mechanism; 601. Support rod; 602. Connecting rod; 603. Drive rod; 604. Slider; 605. Micro motor; 7. Anti-tilting mechanism; 701. Sleeve; 702. Pressure rod; 703. Electric push rod; 8. Perforation; 9. Receiving groove; 10. Annular groove. Detailed Implementation

[0044] The technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0045] like Figure 1-4 As shown, this utility model provides a technical solution: a leak detection device for water hose processing. This device can efficiently detect the sealing performance of water hoses and is particularly suitable for scenarios requiring strict sealing, such as fire hoses and industrial conveying hoses.

[0046] In terms of overall structure, the device uses a basin-shaped receiving plate 1 as the main support structure. The receiving plate 1 is made of stainless steel, which has good corrosion resistance and mechanical strength. A rotating column 2 is rotatably connected to the center of the receiving plate 1 through a high-precision bearing. The rotating column 2 adopts a hollow design, which not only reduces the overall weight, but also provides installation space for the internal air pump (not shown in the figure). A servo motor 3 is fixedly installed at the bottom of the receiving plate 1 with bolts. The motor is connected to the rotating column 2 through a reducer, which can precisely control the speed and direction of the rotating column 2. The speed range can be steplessly adjusted between 0-30 rpm.

[0047] Regarding the air supply system, a miniature high-pressure air pump is installed inside the rotating column 2. This air pump adopts an oil-free design, avoiding oil contamination of the water hose. The air pump outlet is connected to the connecting pipe 4 via a flexible hose. The connecting pipe 4 is made of high-strength nylon material, which has excellent pressure resistance. A stainless steel quick connector is installed at the end of the connecting pipe 4. This quick connector adopts a compression fitting structure, allowing for easy connection or disconnection of the water hose with just a light press, greatly improving work efficiency. The other end of the water hose is sealed with a matching sealing head 5. The sealing head 5 has a silicone sealing ring inside to ensure reliable sealing performance. The air pump is electrically connected to the intelligent control system, which can monitor the air pressure inside the water hose in real time. When the air pressure reaches the set value, inflation automatically stops. When a drop in air pressure exceeding the threshold is detected, an automatic alarm is triggered.

[0048] like Figure 1 and Figure 3As shown, in specific implementation, there are several receiving slots 9 on the receiving tray 1, and the receiving slots 9 are distributed in a spiral shape. Each receiving slot 9 is equipped with a set of limiting mechanism 6. The limiting mechanism 6 includes a support rod 601, a connecting rod 602, a drive rod 603, a slider 604 and a micro motor 605. The surface of the support rod 601 is covered with a rubber layer to avoid damaging the water hose. The support rod 601 is movably connected to the bottom of the receiving groove 9 via a rotating shaft and can be rotated 90 degrees. One end of the connecting rod 602 is hinged to the middle of the support rod 601, and the other end is hinged to the slider 604. The drive rod 603 adopts a trapezoidal lead screw design with a hard chrome plated surface, which has excellent wear resistance. The slider 604 and the drive rod 603 form a precise threaded fit. The micro motor 605 is a DC geared motor, which is connected to the drive rod 603 through a coupling. During operation, the micro motor 605 drives the drive rod 603 to rotate, and the slider 604 moves axially along the drive rod 603. The connecting rod 602 pushes the support rod 601 to lift it from the receiving groove 9 to a vertical position. When multiple support rods 601 are lifted at the same time, a spiral support surface is formed, which keeps the water hose evenly spirally distributed during the winding process and avoids water hose overlap or knotting.

[0049] like Figure 1 and Figure 2 As shown, the anti-tilting mechanism 7 is also installed inside the receiving plate 1. This mechanism mainly consists of a sleeve 701, a pressure rod 702, and an electric push rod 703. The sleeve 701 is movably sleeved on the top of the rotating column 2 and is slidably connected to the rotating column 2 through a linear bearing to ensure smooth lifting. Five long strip-shaped pressure rods 702 are evenly fixedly connected to the outside of the sleeve 701. The pressure rods 702 are made of elastic material, which can provide sufficient holding force without damaging the surface of the hose. An electric push rod 703 is fixedly installed inside the rotating column 2. The output end of the push rod is connected to the sleeve 701. To control the lifting and lowering of the sleeve 701, an annular groove 10 is provided on the inner wall of the receiving plate 1. The end of the pressure rod 702 away from the sleeve 701 is movably disposed in the annular groove 10, which guides and limits the movement of the pressure rod 702. When the water hose is inflated, the electric push rod 703 pushes the sleeve 701 down, and the pressure rod 702 falls down accordingly and presses down on the top of the water hose, effectively preventing the water hose from sliding out or tilting up under the action of air pressure. The holding force of the pressure rod 702 can be automatically adjusted according to the internal air pressure of the water hose, ensuring that the water hose can be effectively fixed without excessive pressure causing deformation of the water hose.

[0050] The control system uses a PLC as the core controller and is equipped with a touch screen human-machine interface, making operation simple and intuitive. The system has multiple built-in detection modes, and the corresponding detection parameters can be selected according to the requirements of different types of water hoses. The control system is electrically connected to actuators such as motors, air pumps, and electric push rods 703 to achieve fully automated control. The system is also equipped with a high-precision pressure sensor to monitor changes in air pressure inside the water hose in real time, with a sampling frequency of up to 10 times / second to ensure the accuracy of the detection data. The detection data is displayed on the touch screen in real time and is automatically saved. It supports data export and printing functions. When a leak is detected in the water hose, the system will automatically alarm and display the approximate area of ​​the leak, making it convenient for operators to quickly locate the problem.

[0051] This application uses the air pressure attenuation method to test the sealing performance of water hoses. The specific steps are as follows:

[0052] First, the operator connects one end of the hose to be tested to the connecting pipe 4 via a quick connector, and seals the other end with a sealing head 5 to ensure no leakage at the connection. Then, the operator selects the appropriate testing mode on the touchscreen. The system automatically sets the testing parameters according to the hose type, including inflation pressure, holding time, and allowable pressure drop, and starts the automatic winding program. The servo motor 3 drives the rotating column 2 to start rotating. Under the action of the connecting pipe 4, the hose is pulled through the perforation 8 into the receiving tray 1. At the same time, the micro motor of the limiting mechanism 6 starts, and the support rod 601 gradually rises from the spiral receiving groove 9, spreading the hose into a spiral distribution. During the winding process, the system automatically adjusts the rotation speed of the rotating column 2 according to the hose length to ensure uniform distribution of the hose and avoid local accumulation.

[0053] After winding is completed, the system automatically enters the inflation stage. The air pump starts to fill the water hose with compressed air, and the pressure sensor monitors the air pressure inside the water hose in real time. When the air pressure reaches the set value (usually 1.5 times the working pressure of the water hose), the air pump stops working, and the system enters the pressure holding detection stage. During the pressure holding process, the pressure sensor continuously monitors the air pressure change. The system records the pressure value once per second and calculates the pressure decay rate. At the same time, the electric push rod 703 of the anti-tilting mechanism 7 is activated, pushing the sleeve 701 down. The pressure rod 702 then descends and presses down on the top of the water hose to prevent the water hose from sliding upward under the action of air pressure.

[0054] The pressure holding test time is set according to the type of hose and standard requirements, usually 3-5 minutes. Within this time, if the internal air pressure drop does not exceed the allowable value (usually 5% of the initial pressure), the hose is considered to have a qualified sealing performance. If the air pressure drop exceeds the allowable value, it is considered unqualified, and the system will automatically alarm and display the approximate location of the leak. Leak location is determined based on a combination of pressure decay rate and strut 601 position information. When abnormal pressure decay is detected near strut 601 in a certain area, the system will mark that area as a suspected leak point.

[0055] After the test is completed, the system automatically enters the venting stage, opens the venting valve, and slowly discharges the compressed air in the hose to avoid impact on the hose from rapid venting. After venting is completed, the limit mechanism 6 and the anti-tilting mechanism 7 automatically reset, the support rod 601 descends back into the receiving groove 9, and the pressure rod 702 rises and detaches from the hose. The operator can then remove the tested hose. The system will automatically generate a test report, including test time, test parameters, pressure change curve, test results, and other information, and supports data export and printing.

[0056] The above description is merely a preferred embodiment of this utility model; however, the protection scope of this utility model is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the technical scope disclosed in this utility model, based on the technical solution and its improved concept, should be included within the protection scope of this utility model.

Claims

1. A leak detection device for water hose processing, characterized in that, Comprising: A receiving tray (1), having a basin-like structure, with a rotating column (2) rotatably connected at its center; A servo motor (3), fixedly connected to the bottom of the receiving tray (1) for driving the rotation of the rotating column (2); A connecting pipe (4), fixedly connected to the outside of the rotating column (2), with a quick connector at its end for communicating with one end of a water hose; A sealing head (5) for sealing the other end of the water hose; An air pump, installed inside the rotating column (2) for pumping gas into the water hose through the connecting pipe (4); A limiting mechanism (6), spirally distributed in the receiving tray (1) for spreading the water hose into a spiral shape during the winding process; An anti-warping mechanism (7), provided in the receiving tray (1) for preventing the water hose from slipping upwards during the inflation process.

2. The leak detection device for water hose processing according to claim 1, wherein, The receiving tray (1) is provided with a perforation (8) for the water hose to enter the inside of the receiving tray (1); the receiving tray (1) is also provided with a spirally distributed receiving groove (9) for accommodating the limiting mechanism (6).

3. The leak detection device for water hose processing according to claim 2, characterized in that, The limiting mechanism (6) includes: A support rod (601), movably connected to the inside of the receiving groove (9) through a rotating shaft; A connecting rod (602), one end of which is hinged to the side of the support rod (601) close to the receiving groove (9); A driving rod (603), rotatably connected to the inside of the receiving groove (9); A slider (604), threadedly connected to the outside of the driving rod (603) and slidingly engaged with the receiving groove (9); A micro motor (605), installed in the receiving groove (9), whose output end is drivingly connected to the driving rod (603); Wherein, one end of the connecting rod (602) far from the support rod (601) is hinged to the slider (604), and the rotation of the driving rod (603) drives the movement of the slider (604), causing the connecting rod (602) to rotate and lift the support rod (601) from the receiving groove (9) to a vertical position.

4. The leak detection device for water hose processing according to claim 3, characterized in that, The support rod (601)抵触the side of the water hose close to the rotating column (2) in the lifted state, so that the water hose maintains a spiral distribution during the winding process.

5. The leak detection device for water hose processing according to claim 2, characterized in that, The anti-warping mechanism (7) includes: A sleeve (701), movably sleeved on the top of the rotating column (2); Pressure rods (702), fixedly connected to the outside of the sleeve (701), with a quantity of five; An electric push rod (703), fixed inside the rotating column (2) for controlling the lifting and lowering of the sleeve (701); Wherein, an annular groove (10) is provided in the receiving groove (9), and one end of the pressure rod (702) far from the sleeve (701) is movably arranged in the annular groove (10).

6. The leak detection device for water hose processing according to claim 5, characterized in that, The pressure rod (702) is driven to lift and lower by the electric push rod (703) for pressing the top of the water hose to prevent it from slipping upwards during the inflation process.

7. The leak detection device for water hose processing according to claim 1, characterized in that, The connecting pipe (4) is detachably connected to one end of the water hose through a quick connector, facilitating the quick replacement of water hoses of different specifications.

8. The leak detection device for water hose processing according to claim 1, wherein, The air pump is electrically connected to a control system for real-time monitoring and adjustment of the air pressure inside the water hose.

Images