A drip irrigation tape testing device

Abstract

This utility model provides a drip irrigation tape testing device, comprising: a water storage unit with several sets of partitions; a circulation component connected to the water storage unit for circulating and transporting water resources in the water storage unit; a return component connected to the drip irrigation tape and the circulation component; a water delivery unit located within the water storage unit and connected to the circulation component for delivering circulating water to the drip irrigation tape to be tested; the water delivery unit is connected to a pressure monitoring device for monitoring water pressure data in the water delivery unit; and further comprising: several support components fixed above the water storage unit; and a fixing unit installed on one side of the water storage unit via a rotating mechanism for clamping the drip irrigation tape after rotation in cooperation with the support components. Through the coordinated clamping of the support components and the fixing unit, the problems of traditional two-end pipe fixing and easy displacement and detachment of the drip irrigation tape under high pressure are solved, making the pressure resistance testing process stable and improving testing efficiency.

Description

Technical Field

[0001] This utility model relates to the field of drip irrigation tape testing technology, specifically to a drip irrigation tape testing device. Background Technology

[0002] Drip irrigation systems have become the core irrigation method for arid regions in Northwest my country, as well as for facility agriculture and cash crop cultivation, due to their advantages such as precise water supply, high water saving rate, and increased crop yield. Drip tape, as a key component that directly connects with crop roots, directly determines the operational stability of the irrigation system and the efficiency of agricultural production. However, among substandard drip tape products nationwide, a high percentage are returned due to issues such as substandard flow uniformity, insufficient water pressure resistance, dripper clogging, and excessive orifice deviation. Some inferior products have even caused problems such as localized drought and root waterlogging, resulting in significant economic losses for farmers. Water pressure resistance directly determines the resilience of the drip irrigation system, especially in arid regions of Northwest China and greenhouse settings. Farmers often increase the outlet pressure to increase drip irrigation volume, but the lack of a fixed structure in the current drip tape testing process directly leads to insufficient accuracy in pressure testing, prominent safety risks, and directly affects the product quality of drip tape.

[0003] For example, Chinese patent CN220602906U discloses a device for testing drip irrigation tape / belts, which uses a double-layer platform structure to achieve simultaneous collection of dripping water from the drippers. However, it has the following limitations: 1. When performing pressure tests, the drip irrigation tape needs to withstand a high pressure of 0.2-0.4 MPa. Existing equipment connects the tape via fixed pipes at both ends, with only a support device supporting the tape. Under high pressure, problems such as tape displacement and interface leakage are prone to occur. In some cases, the tape falling off can even cause water ingress into the equipment, affecting the validity of the test results and posing safety risks. 2. Relying on manual placement of measuring cups to collect dripping water, pushing and pulling partitions, and weighing, while simultaneously recording pressure data, manual operation can easily lead to testing errors due to placement deviations and missed observations. 3. Simple laboratory tests can use shorter drip irrigation tapes combined with beakers placed under the drippers to test flow uniformity and pressure resistance. However, for large factories that process large quantities of drip irrigation tape daily, the manual placement of beakers and data recording method is too inefficient, increasing production costs. Utility Model Content

[0004] This utility model provides a drip irrigation tape testing device to solve the problem of equipment failure and safety risks caused by drip irrigation tape displacement during pressure resistance testing of existing drip irrigation tape testing equipment.

[0005] To address the aforementioned problems, this utility model provides a drip irrigation tape testing device, comprising: a water storage unit with several sets of partitions; a circulation component connected to the water storage unit for circulating and transporting water resources from the water storage unit; a return component connected to the drip irrigation tape and the circulation component; a water delivery unit located within the water storage unit and connected to the circulation component for delivering circulating water to the drip irrigation tape to be tested; the water delivery unit is connected to a pressure monitoring device for monitoring water pressure data in the water delivery unit; and further comprising: several support components fixed above the water storage unit; and a fixing unit installed on one side of the water storage unit via a rotation mechanism for clamping the drip irrigation tape after rotation in conjunction with the support components.

[0006] By using the support components and fixing units in combination, the problem of easy displacement and detachment of drip irrigation tape under high pressure is directly solved by relying solely on the pipes at both ends for fixing in the traditional way. This improves the stability of the pressure resistance test process, reduces the risk of water ingress failure, and increases the testing efficiency. At the same time, the partition of the water storage unit realizes the isolation of drip zones, providing a basis for individually testing the uniformity of flow in each group, and solving the flow detection error problem caused by the traditional lack of zoning.

[0007] To prevent deformation of the drip irrigation tape under high pressure due to localized suspension, the support assembly preferably consists of multiple equidistant longitudinal rods, with anti-slip pads placed on top of the longitudinal rods at the contact points with the drip irrigation tape. The arrangement of the longitudinal rods and the transverse arrangement of the drip irrigation tape ensures that the supported drip irrigation tape is always in a preset detection position, resulting in balanced force distribution on the drip irrigation tape.

[0008] To achieve a uniform distribution of the clamping force, preferably, the fixing unit consists of multiple longitudinal rods arranged at equal intervals and two transverse rods. The transverse rods and longitudinal rods form a frame structure, which makes the clamping force evenly distributed and avoids the clamping unit from loosening due to deformation under high pressure.

[0009] To achieve surface clamping and support of the drip irrigation tape, preferably, the longitudinal rods of the fixing unit and the support assembly are staggered to avoid local unaccepted areas caused by the traditional aligned arrangement. This further prevents the drip irrigation tape from bulging or shifting under high pressure, ensuring the stability of the drip irrigation tape during the testing process and improving testing efficiency and accuracy.

[0010] To address the issue of drip irrigation tape failing to hold due to water pressure impact lifting the fixing unit under high pressure, a locking component is further provided on the side of the water storage unit away from the rotating mechanism. The fixing unit is equipped with a locking fitting that cooperates with the locking component. The locking structure can maintain the clamping distance between the fixing unit and the support component in real time, avoiding changes in the distance caused by vibration and water pressure fluctuations during the testing process, thus stabilizing the clamping force and further reducing the risk of drip irrigation tape displacement and leakage.

[0011] To accommodate drip irrigation tapes of different thicknesses, the testing device also includes a lifting assembly located outside the water storage unit and connected to the locking assembly and the rotating mechanism. The height of the locking assembly and the rotating mechanism can be adjusted to change the distance between the fixing unit and the support assembly, thereby controlling the clamping force. This avoids both excessive tightness that could damage the drip irrigation tape and excessive looseness that could cause the tape to fail to hold properly, thus achieving on-demand clamping and meeting the testing requirements for drip irrigation tapes of different materials and specifications.

[0012] To achieve automatic adjustment of the fixed spacing, preferably, the lifting assembly includes a screw assembly fixed to the outer walls of both sides of the water storage unit, a drive motor installed at one end of the screw assembly, and a connecting frame installed on the screw assembly. The top of both sides of the connecting frame are fixed to the locking assembly and the rotating mechanism, respectively, so that the locking assembly and the rotating mechanism remain parallel during the lifting process, avoiding tilting of the fixed unit and uneven force on the drip irrigation tape caused by unilateral lifting.

[0013] To further improve testing efficiency, the testing device also includes a control unit connected to the pressure monitoring device, the rotating mechanism, the locking fitting, and the circulation assembly, so that human error is avoided when the control unit is in operation.

[0014] The technical advantages of this application are as follows: (1) By using the support components and fixing units to clamp the drip irrigation tape, the problem of easy displacement and detachment of the drip irrigation tape under high pressure is directly solved by the traditional method of fixing the tape only by the pipes at both ends. This improves the stability of the pressure resistance test process, reduces the risk of equipment failure due to water ingress, and improves the test efficiency. (2) The partition of the water storage unit realizes the isolation of dripping zones, which provides a basis for the individual detection of the flow uniformity of each group and solves the problem of flow detection error caused by the traditional no-zone system. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the overall structure of a drip irrigation tape testing device provided by this utility model.

[0016] Figure 2 This is a top view structural diagram of a drip irrigation tape testing device provided by this utility model.

[0017] Figure 3 This utility model provides Figure 2 Schematic diagram of the AA section structure.

[0018] Explanation of reference numerals in the attached figures: 1000, Drip irrigation tape; 1. Water storage unit; 110. Baffle plate; 2. Circulation assembly; 210. Water pump; 220. First return water pipeline; 3. Water supply unit; 310. Water supply pipe; 320. Pressure monitoring device; 330. Main water supply pipe; 4. Support assembly; 5. Fixing unit; 6. Rotating mechanism; 610. First motor; 620. Rotating shaft; 7. Locking assembly; 710. Base; 720. Rotary buckle; 730. Locking mating part; 8. Lifting assembly; 810. Lead screw assembly; 820. Connecting frame; 830. Drive motor; 9. Return assembly; 910. Water inlet pipe; 920. Return water tank; 930. Second return water pipeline; 10. Control unit. Detailed Implementation

[0019] The following will be combined with the appendix Figures 1-3 The embodiments of the technical solution of this application are described in detail below. The following embodiments are only used to illustrate the technical solution of this application more clearly, and are therefore only examples and should not be used to limit the scope of protection of this application.

[0020] As a key component that directly contacts crop roots, the quality of drip irrigation tape directly determines the operational stability of the irrigation system and the efficiency of agricultural production. However, substandard drip irrigation tape products nationwide currently exhibit problems such as substandard flow uniformity, insufficient water pressure resistance, dripper clogging, and excessive orifice diameter deviation, with water pressure resistance being particularly critical. Existing drip irrigation tape testing equipment is prone to equipment malfunctions and safety risks during pressure tests due to tape displacement.

[0021] Reference Figures 1-3 This utility model provides a drip irrigation tape testing device, comprising: a water storage unit 1; a circulation component 2 connected to the water storage unit 1 for circulating and transporting water resources in the water storage unit 1; a return component 9 connected to the drip irrigation tape 1000 and the circulation component 2; a water delivery unit 3 located in the water storage unit 1 and connected to the circulation component 2 for delivering circulating water to the drip irrigation tape 1000 to be tested; the water delivery unit 3 is connected to a pressure monitoring device 10 for monitoring water pressure data in the water delivery unit 3; a plurality of support components 4 fixed above the water storage unit 1; and a fixing unit 5 installed on one side of the water storage unit 1 via a rotating mechanism 6 for rotating and cooperating with the support components 4 to clamp the drip irrigation tape 1000 to be tested.

[0022] To achieve water resource recycling, the circulation component 2 provided in this embodiment includes a water pump 210 fixed to the bottom of the water storage unit 1, a first return water pipeline 220 connected to the water storage unit 1, and a filter device. The filter device is located at the inlet of the water pump 210. The filter device intercepts impurities, protects the water pump 210 from clogging, and prevents impurities from interfering with the pressure resistance or flow rate detection results of the drip irrigation tape 1000. The first return water pipeline 220 realizes water source circulation, and combined with the subsequent return component 9, it can reduce water consumption and waste. The water pump 210 can be a centrifugal pump, and the flow rate of the water pump 210 can be controlled by a control unit. The first return water pipeline 220 can be connected to the bottom or bottom side wall of the water storage unit 1, and an electromagnetic ball valve is installed on the pipeline, which is controlled by the control unit to open and close. The filter device uses a PP cotton filter or a stainless steel mesh filter, and is connected to the inlet of the water pump 210 through a flange or quick-connect fitting for easy disassembly and maintenance.

[0023] To avoid direct discharge from the drip irrigation tape outlet and reduce water waste, the return flow component 9 provided in this embodiment is located on the side of the water storage unit 1. It includes an inlet pipe 910 connected to the outlet of the drip irrigation tape 1000, a return flow tank 920 for water storage, and a second return flow pipe 930 connected to the first return flow pipe 220. The return flow tank 920 temporarily stores the water flow, and the second return flow pipe 930 connects to the first return flow pipe 220 to achieve secondary circulation. This eliminates the need for manual water collection, reduces human intervention, and is suitable for large-scale testing scenarios in factories. The inlet pipe 910 is fixed to the upper end of the return flow tank 920. The bottom of the return flow tank 920 is conical, with the second return flow pipe 930 connected in the middle. A throttling valve is installed on the second return flow pipe 930 to adjust the return flow speed to match the water delivery speed of the water pump 210.

[0024] Existing testing equipment only has a support structure, which makes the drip irrigation tape prone to displacement and leakage at the interface under high pressure. The support component 4 provided in this embodiment consists of multiple longitudinally arranged longitudinal rods. The two ends of the longitudinal rods are bolted to the two side walls of the water storage unit 1. An anti-slip pad is provided above the longitudinal rods at the contact point of the drip irrigation tape 1000. The anti-slip pad is a detachable structure (fixed with Velcro / clip) and can be made of nitrile rubber or silicone. The rotating mechanism 6 includes a first motor 610 and a rotating shaft 620 driven by the first motor 610. The rotating shaft 620 is installed on one side of the fixed unit 5, so that the first motor 610 drives the rotating shaft 620 to rotate, thereby driving the fixed unit 5 to rotate around the rotating shaft 620. The fixed unit 5 consists of multiple longitudinally arranged longitudinal rods and two transverse rods. The longitudinal rods of the fixed unit 5 and the support component 4 are staggered. The anti-slip pad of the support component 4 cooperates with the fixed unit 5 to clamp it in a staggered manner, avoiding displacement of the drip irrigation tape 1000 under high pressure and eliminating the risk of falling off; the rotating mechanism 6 realizes the flipping of the fixed unit.

[0025] Furthermore, to prevent the drip irrigation tape from being lifted by excessive water pressure and failing to perform its clamping function, the water storage unit 1 provided in this embodiment is provided with a locking component 7 on the side away from the rotating mechanism 6, and the fixing unit 5 is provided with a locking fitting 730 that cooperates with the locking component 7. The locking component 7 is of the snap-on type or the pin type, and the preferred method provided in this embodiment is the pin type. The locking component 7 is provided with a base 710 and a rotating snap 720 installed on the upper part of the base 710 by a rotating cylinder. The base 710 is provided with a pin groove, and the rotating snap 720 is rotated by a cylinder.

[0026] Furthermore, in order to avoid the drip irrigation tape detection being affected or the fixed position not being achieved due to the clamping force or loosening of the fixing unit 5, the test device provided in this embodiment also includes a lifting component 8 located outside the water storage unit 1 and connected to the locking component 7 and the rotating mechanism 6.

[0027] The lifting assembly 8 includes a screw assembly 810 fixed to the outer walls of both sides of the water storage unit 1, a drive motor 830 installed at one end of the screw assembly 810, and a connecting frame 820 installed on the screw assembly 810. The drive motor 830 cooperates with the screw on the screw assembly 810, and the connecting frame 820 cooperates with the ball nut on the screw assembly 810. The top of both sides of the connecting frame 820 is fixed to the locking assembly 7 and the rotating mechanism 6, respectively. The drive motor 830 drives the screw assembly 810 to rotate, and the ball nut converts the rotational motion into linear motion, driving the connecting frame 820 and the rotating mechanism 6 to move up and down, thereby making the fixed unit 5 move up and down, so as to adjust the distance between the fixed unit 5 and the support assembly 4. It is suitable for drip irrigation tapes with different specifications and different pressures.

[0028] Existing testing equipment uses measuring cups to detect flow uniformity, which cannot meet the testing needs of large-scale drip irrigation tape production in factories, and is prone to flow monitoring errors due to placement deviations. Therefore, to improve testing efficiency, the water delivery unit 3 provided in this embodiment has several sets of water delivery pipes 310, each set equipped with a pressure monitoring device 320. The water storage unit 1 has several sets of partitions 110, dividing it into several compartments equal in number to the water delivery pipes 310. Simultaneous testing of multiple sets of water delivery pipes improves efficiency, and the partitions separate independent spaces, preventing drip mixing and allowing for individual calculation of flow uniformity for each set. The water delivery unit 3 has 2-6 sets of water delivery pipes 310, each set equipped with a gate valve for individual on / off control, facilitating troubleshooting. Multiple sets of water delivery pipes 310 converge into a main water delivery pipe 330, which is connected to a water pump 210. The pressure monitoring device 10 uses a digital display pressure sensor or a pointer pressure gauge, and is installed near the inlet of the drip irrigation tape in each group of water pipes 310. It is preferably a digital display pressure sensor, which is connected to the control unit through a communication line to record pressure data.

[0029] Existing testing equipment requires manual weighing and recording, and the calculation of flow uniformity is slow. Furthermore, to detect the water output of 1000 drippers in the drip irrigation tape, this embodiment provides a water level monitoring device within the water storage unit 1. The water level monitoring device uses an ultrasonic water level sensor or a float-type liquid level sensor, installed in each compartment to detect the water level data in each compartment.

[0030] Furthermore, to control water pressure and improve testing efficiency, the testing apparatus provided in this embodiment also includes a control unit 10 connected to the water level monitoring device, pressure monitoring device 320, rotating mechanism 6, locking fitting 730, and circulation assembly 2. The control unit 10 uses a PLC controller or microcontroller and is equipped with a human-machine interface touchscreen, data storage module, etc. The control unit 10 sets the testing parameters (water pressure and time), starts the water pump 210, the pressure monitoring device 320 monitors the water pressure value and transmits it to the control unit 10, the control unit 10 adjusts the water pump speed to maintain stable pressure, the drip irrigation tape drips water into the interval chambers, the water level monitoring device collects the drip water level data in each interval chamber and feeds it back to the control unit 10, the control unit 10 calculates the flow rate for each group, and after the test, the control unit 10 calculates the flow rate deviation and compares it with a preset threshold; the result is displayed on the touchscreen.

[0031] Working principle: During the initial test, clean water is injected into the water storage unit 1, and the control unit 10 initiates the self-test of the circulation component 2: the water pump 210 runs at low speed, the filter device 230 intercepts mud and impurities in the water source, the solenoid ball valve of the first return water pipeline 220 is opened, and the water flow forms a short circulation in the "water storage unit 1 - first return water pipeline 220 - water pump 210 → water delivery unit 3 - water storage unit 1" to expel air from the pipeline; at the same time, the water level monitoring device and the pressure monitoring device 320 complete zero-point calibration, and the water level monitoring device can record the initial water level data to ensure the accuracy of the test. The two ends of the drip irrigation tape 1000 to be tested are manually connected to the water supply pipe 310 of the water supply unit 3 and the water inlet pipe 910 of the return component 9, respectively. The main body of the drip irrigation tape 1000 is laid flat on the anti-slip soft pad of the longitudinal rod of the support component 4. The manual control unit sends a command to the rotating mechanism 6, causing the first motor 610 to drive the rotating shaft 620 to rotate, which in turn causes the fixing unit 5 to flip around the rotating shaft to a horizontal position, covering the drip irrigation tape. The longitudinal rods of the fixing unit 5 are staggered with the longitudinal rods of the support component, achieving full clamping of the drip irrigation tape without any blind spots. The drive motor 830 drives the lead screw assembly 810 to rotate, and the ball nut converts the rotational motion into linear motion, causing the connecting frame 820 to slowly lower the fixing unit 5 until it makes slight contact with the surface of the drip irrigation tape. The locking assembly 7 pops out and engages with the locking mating part 710 of the fixing unit 5. At the same time, the control unit 10 monitors the locking status in real time. If there is any looseness, the lifting assembly 8 can be triggered to apply pressure, ensuring that there is no risk of displacement of the drip irrigation tape during high-pressure testing. The core parameters can be set via the touch screen of the control unit: (1) Pressure resistance test: target pressure, pressure holding time; (2) Flow uniformity test: test duration, flow deviation qualification threshold; After the parameters are set, the control unit 10 synchronously sends parameter commands to the pressure monitoring device 320 and the water level monitoring device to complete the detection preparation. Testing phase: Testing of pressure resistance and flow uniformity. (1) Pressure resistance test: Simulate high pressure scenario and monitor the stability of drip irrigation tape Control unit 10 starts water pump 210 and adjusts the speed of water pump 210 according to real-time feedback from pressure monitoring device 320: Initial stage: The water pump 210 operates at high frequency, delivering high-pressure water to multiple sets of water delivery pipes 310 in the water delivery unit 3. The water flows into the drip irrigation tape through the drip irrigation tape inlet. Pressure holding stage: When the pressure monitoring device 320 detects that the water pressure has reached the preset target value, the control unit 10 reduces the water pump speed to maintain stable water pressure, while the locking component 7 remains locked to prevent the water pressure from lifting the fixing unit 5. Anomaly monitoring: If the drip irrigation tape has insufficient water pressure resistance (such as interface leakage or tape body rupture), the pressure monitoring device 320 will detect a sudden drop in water pressure, the control unit 10 will immediately trigger an alarm, and record the fault time and pressure curve for subsequent analysis. Drip tape stability monitoring: During the testing process, the staggered clamping structure of the fixing unit 5 and the support component 4 continues to act. The anti-slip pad of the support component 4 increases the friction between the drip tape and the longitudinal rod, while the longitudinal rod of the fixing unit 5 restricts the radial expansion of the drip tape from above, preventing the drip tape from shifting or falling off under high pressure. At the same time, the lifting component 8 and the screw component 810 remain locked to ensure that the clamping distance remains unchanged, further improving the fixing stability. Since the fixing unit 5 only contacts the surface of the drip tape, the clamping force between the fixing unit 5 and the support component 4 does not affect the water pressure value of the pressure resistance test. In addition, if there are pressure fluctuations, the lifting component 8 can be adjusted to allow the fixing unit 5 to be adjusted up and down.

[0032] (2) Flow uniformity detection: monitoring dripping water in zones and calculating uniformity. During uniformity testing, the first return water pipe 220 must be shut off first. The water level monitoring device records the initial water level data. After the water pump 210 starts operating, the water inside the drip irrigation tape 1000 drips through the dripper. Because the water delivery unit 3 is equipped with a baffle, the dripping water is separated into independent spaces, so that the dripping water of each set of drip irrigation tapes is collected separately. At the same time, the inlet pipe 910 of the return component 9 receives the remaining water flow from the outlet of the drip irrigation tape 1000 and introduces it into the return water tank 920. The water level monitoring device collects the water level changes in each partition space in real time and transmits the data to the control unit. The control unit calculates the flow rate of each drip irrigation tape according to the flow rate calculation formula. After the test is completed, the control unit calculates the average, maximum and minimum flow rates of all drippers and judges whether the quality of the drip irrigation tape section is qualified by the flow rate deviation. After the test is completed, the first return water pipe 220 is closed and the valve of the second return water pipe 930 is opened. The water temporarily stored in the return water tank 920 is connected to the first return water pipe 210 through the second return water pipe 930 and returned to the water storage unit 1 through the water pump 210. The control unit 10 controls the locking component 7 to unlock, the rotating mechanism 6 to drive the fixing unit 5 to flip and reset, and the lifting component 8 to rise. The operator removes the drip irrigation tape after the test, and the device enters the preparation state for the next round of testing.

[0033] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.

Claims

1. A drip irrigation tape testing device, comprising: A water storage unit (1) with several sets of partitions (110) is connected to a circulation component (2) for circulating water resources in the water storage unit (1), and a return component (9) is connected to the drip irrigation tape (1000) and the circulation component (2); a water delivery unit (3) is located in the water storage unit (1) and connected to the circulation component (2) to deliver circulating water to the drip irrigation tape (1000) to be tested; the water delivery unit (3) is connected to a pressure monitoring device (320) for monitoring the water pressure data in the water delivery unit (3); The feature is that it further includes: a plurality of support components (4) fixed above the water storage unit (1), and a fixing unit (5) installed on one side of the water storage unit (1) by a rotating mechanism (6) for rotating and cooperating with the support components (4) to clamp the drip irrigation tape (1000).

2. The drip irrigation tape testing device according to claim 1, characterized in that, The support component (4) consists of multiple longitudinal rods arranged at equal intervals, and an anti-slip pad is provided above the longitudinal rods at the contact point with the drip irrigation tape (1000).

3. The drip irrigation tape testing device according to claim 2, characterized in that, The fixing unit (5) consists of multiple longitudinal rods arranged at equal intervals and two transverse rods.

4. The drip irrigation tape testing device according to claim 3, characterized in that, The longitudinal rods of the fixing unit (5) and the support assembly (4) are arranged in a staggered manner.

5. The drip irrigation tape testing device according to claim 1, characterized in that, The water storage unit (1) is provided with a locking component (7) on the other side away from the rotating mechanism (6), and the fixing unit (5) is provided with a locking fitting (730) that cooperates with the locking component (7).

6. The drip irrigation tape testing device according to claim 5, characterized in that, The test device also includes a lifting assembly (8) located outside the water storage unit (1) and connected to the locking assembly (7) and the rotating mechanism (6).

7. The drip irrigation tape testing device according to claim 6, characterized in that, The lifting assembly (8) includes a screw assembly (810) fixed to the outer walls of both sides of the water storage unit (1), a drive motor (830) installed at one end of the screw assembly (810), and a connecting frame (820) installed on the screw assembly (810). The top of both sides of the connecting frame (820) are fixed to the locking assembly (7) and the rotating mechanism (6) respectively.

8. The drip irrigation tape testing device according to claim 6, characterized in that, The test apparatus further includes a control unit (10) connected to the pressure monitoring device (320), the rotating mechanism (6), the locking engagement member (730), and the circulation assembly (2).

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