High-pressure hose pulse static pressure detection device

Abstract

The utility model discloses a high-pressure hose pulse static pressure detection device which comprises a C-opening hollow frame, a main liquid inlet transverse cylinder and an auxiliary liquid storage transverse cylinder which are installed on the left outer wall and the right outer wall of the C-opening hollow frame respectively, and hollow pipes installed at the opposite ends of the main liquid inlet transverse cylinder and the auxiliary liquid storage transverse cylinder in a bolting mode through flange plates. A digital display type pressure gauge is installed at the top end of the hollow pipe at the end of the main liquid inlet transverse cylinder, and a hydraulic double-way pump liquid assembly is installed at the top end of the C-opening hollow frame on one side of the main liquid inlet transverse cylinder. Water flow is fed into the main liquid inlet transverse cylinder, the high-pressure hose and the auxiliary liquid storage transverse cylinder through the control panel and the hydraulic two-way pump liquid assembly, the pulse pressure of the high-pressure hose is monitored through the digital display type pressure gauge in the liquid pumping process, and after detection is completed, switching valves at the lower ends of the main liquid inlet transverse cylinder and the auxiliary liquid storage transverse cylinder are opened, and liquid drainage is completed.

Description

A high-pressure hose pulse static pressure detection device Technical Field

[0001] This utility model relates to the field of high-pressure hose testing technology, specifically a high-pressure hose pulse static pressure testing device. Background Technology

[0002] The pulse static pressure testing device is used to test the pressure resistance, structural integrity, and potential defects of rubber hoses under actual working conditions, thereby ensuring their safety and reliability. This type of testing device consists of several parts, including a pressure generating system, a pulse generator, a test chamber, a pressure sensor, a data acquisition and processing system, and a control system. The pressure generating system provides stable static pressure, the pulse generator produces pressure pulses of preset frequency and amplitude to simulate pressure fluctuations in actual working conditions, the test chamber is used to fix the hose, ensuring a seal and uniform pressure transmission, the pressure sensor monitors pressure changes in real time, and the data acquisition system analyzes the pressure waveform to determine the structural integrity of the hose. The testing process involves installing the hose in the testing device, gradually increasing the pressure to the working pressure, applying pressure pulses, monitoring pressure changes, analyzing pressure waveform characteristics, and identifying potential defects. In this way, microcracks or other defects in the hose can be effectively detected, ensuring that it meets safety standards.

[0003] The hydraulic system for pressure pulse testing of rubber hoses, disclosed in authorization announcement number CN205333442U, includes an oil tank, a hydraulic pulse generator, and a replenishing oil device. The oil tank's supply and return ports are connected to the hydraulic pulse generator's supply and return ports, respectively. The replenishing oil device's replenishing pipe inlet is connected to the oil tank's supply port. The hydraulic pulse generator is directly connected to the test piece, and the replenishing oil device's replenishing pipe outlet is connected to the test piece. It employs an electro-hydraulic servo valve to directly control the oil pressure, ensuring the accuracy of the test curve and allowing the pressure pulse control section to operate at lower pressures. Operating under pressure extends the service life of the pressure pulse control section; meanwhile, the booster serves as a backup, activated when the pressure is high. However, the pulse pipeline and valve body arrangement of the above technical solution are complex. The complex structure means that assembly, maintenance, and device debugging become more cumbersome, and situations such as loose hose loading, leakage, or valve body misoperation are prone to occur, such as incorrect pipeline connection, incorrect valve position adjustment, or failure to set parameters correctly. This requires personnel to spend a long time loading, debugging, and confirmation, which significantly extends the inspection cycle of high-pressure hoses, especially in situations of large-scale testing or rapid response, which is particularly disadvantageous. Summary of the Invention

[0004] The purpose of this invention is to provide a high-pressure hose pulse static pressure testing device. The high-pressure hose workpiece to be tested is installed between the main inlet horizontal cylinder and the auxiliary storage horizontal cylinder by a clamp. Water is fed into the main inlet horizontal cylinder, the high-pressure hose, and the auxiliary storage horizontal cylinder through the control panel and the hydraulic dual-path pump assembly. During the pumping process, the pulse pressure of the high-pressure hose is monitored by a digital display pressure gauge. After the test is completed, the switch valves at the lower end of the main inlet horizontal cylinder and the auxiliary storage horizontal cylinder are opened to complete the drainage, thereby solving the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-pressure hose pulse static pressure detection device, comprising a C-port hollow frame, a main inlet horizontal cylinder and a secondary liquid storage horizontal cylinder respectively installed on the left and right outer walls of the C-port hollow frame, and hollow tubes bolted to the opposite ends of the main inlet horizontal cylinder and the secondary liquid storage horizontal cylinder via flanges. One end of the surface of the hollow tube is fitted with a clamp. A digital display pressure gauge is installed at the top of the hollow tube at the end of the main inlet horizontal cylinder. A hydraulic dual-path pump assembly is installed at the top of the C-port hollow frame on one side of the main inlet horizontal cylinder. The outlet end of the hydraulic dual-path pump assembly is connected to the inlet end of the main inlet horizontal cylinder. A control panel electrically connected to the input end of the hydraulic dual-path pump assembly is installed on the other side of the top of the C-port hollow frame.

[0006] Preferably, a right switch valve is installed on one side of the bottom end of the main liquid inlet cylinder, and a left switch valve is installed on one side of the bottom end of the auxiliary liquid storage cylinder.

[0007] Preferably, both the main liquid inlet horizontal cylinder and the auxiliary liquid storage horizontal cylinder are made of stainless steel components, and the main liquid inlet horizontal cylinder and the auxiliary liquid storage horizontal cylinder are symmetrical about the vertical center reference plane of the hollow frame at port C.

[0008] Preferably, the hydraulic dual-path pump assembly includes a reservoir installed at the top of a C-port hollow frame on one side of the main inlet cylinder, an inlet straight pipe and an inlet bend installed on both sides of the bottom of the reservoir, and a servo pump installed on one side of the top of the C-port hollow frame. The outlet of the servo pump is connected to the inlet of the reservoir. The bottom ends of the inlet straight pipe and the inlet bend extend into the interior of the main inlet cylinder. The input of the servo pump is electrically connected to the output of the control panel.

[0009] Preferably, the top of the main inlet cylinder has an integrally formed front inlet nozzle and a rear inlet nozzle on both sides. The top of the front inlet nozzle is connected to one end of the inlet bend, and the top of the rear inlet nozzle is connected to the bottom end of the inlet straight pipe.

[0010] Preferably, the distance between the end faces of the two hollow tubes is 50cm to 100cm.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows: This high-pressure hose pulse static pressure testing device is equipped with a hydraulic dual-path pump assembly, a main inlet horizontal cylinder, a digital display pressure gauge, a secondary reservoir horizontal cylinder, and clamps that work together. The high-pressure hose workpiece to be tested is installed between the main inlet horizontal cylinder and the secondary reservoir horizontal cylinder by clamps. Water is fed into the main inlet horizontal cylinder, the high-pressure hose, and the secondary reservoir horizontal cylinder through the control panel and the hydraulic dual-path pump assembly. During the pumping process, the pulse pressure of the high-pressure hose is monitored by the digital display pressure gauge. After the test is completed, the switch valves at the lower ends of the main inlet horizontal cylinder and the secondary reservoir horizontal cylinder are opened to complete the drainage. The hose to be tested is fixed by clamps. The design reduces cumbersome connection steps between the main inlet cylinder and the auxiliary reservoir cylinder, avoiding complex piping layouts and unnecessary connectors. This allows operators to quickly and safely load and unload hoses without complicated piping adjustments, significantly reducing operational difficulty and time costs. Secondly, the centralized control panel, using a dual-circuit hydraulic pump assembly to control water flow, allows pressure regulation, test initiation, and drainage to be completed in one area. This avoids tedious multi-step operations, improving operational intuitiveness and reducing human error. Operators can focus on monitoring pressure changes and assessing hose status without worrying about complex piping adjustments or multi-point operations. Attached Figure Description

[0012] Figure 1 is a schematic diagram of the main structure of this utility model;

[0013] Figure 2 is a three-dimensional structural schematic diagram of this utility model;

[0014] Figure 3 is a two-dimensional structural schematic diagram of this utility model;

[0015] Figure 4 is a three-dimensional cross-sectional structural diagram of this utility model;

[0016] Figure 5 is a schematic diagram of the front cross-sectional structure of this utility model.

[0017] In the diagram: 1. Hollow frame at port C; 2. Main inlet cylinder; 201. Front inlet nozzle; 202. Rear inlet nozzle; 3. Digital pressure gauge; 4. Hollow tube; 5. Secondary reservoir cylinder; 6. Clamp; 7. Right switch valve; 8. Left switch valve; 9. Hydraulic dual-path pump assembly; 901. Reservoir tank; 902. Inlet straight pipe; 903. Inlet bend; 904. Servo pump; 10. Control panel. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0019] Please refer to Figures 1-5. One embodiment of this utility model is provided: a high-pressure hose pulse static pressure detection device, including a C-port hollow frame 1, a main liquid inlet horizontal cylinder 2 and a secondary liquid storage horizontal cylinder 5 respectively installed on the left and right outer walls of the C-port hollow frame 1, and hollow tubes 4 bolted to the opposite ends of the main liquid inlet horizontal cylinder 2 and the secondary liquid storage horizontal cylinder 5 by flanges. One end of the surface of the hollow tube 4 is fitted with a clamp 6, and the distance between the end faces of the two hollow tubes 4 is 50cm to 100cm.

[0020] A digital pressure gauge 3 is installed at the top of the hollow tube 4 at the end of the main inlet horizontal cylinder 2. The digital pressure gauge 3 provides intuitive and accurate pressure readings, which makes it convenient for operators to monitor the pressure changes inside the main inlet horizontal cylinder 2 and the hose in real time. A hydraulic dual-path pump assembly 9 is installed at the top of the C-port hollow frame 1 on one side of the main inlet horizontal cylinder 2. The outlet end of the hydraulic dual-path pump assembly 9 is connected to the inlet end of the main inlet horizontal cylinder 2. A control panel 10 is installed on the other side of the top of the C-port hollow frame 1, which is electrically connected to the input end of the hydraulic dual-path pump assembly 9.

[0021] A right switch valve 7 is installed on one side of the bottom end of the main liquid inlet horizontal cylinder 2, and a left switch valve 8 is installed on one side of the bottom end of the auxiliary liquid storage horizontal cylinder 5.

[0022] Both the main liquid inlet horizontal cylinder 2 and the auxiliary liquid storage horizontal cylinder 5 are made of stainless steel. The main liquid inlet horizontal cylinder 2 and the auxiliary liquid storage horizontal cylinder 5 are symmetrical about the vertical center reference plane of the hollow frame 1 at port C. The main liquid inlet horizontal cylinder 2 plays a key role in regulating and transmitting pressure in the device, so as to apply uniform and controllable pressure to the hose and ensure the stability and accuracy of pressure during the detection process.

[0023] The auxiliary reservoir cylinder 5 provides the function of buffering and storing pressure, which is to buffer pressure fluctuations, reduce the load on hydraulic lines, and prevent sudden pressure changes from damaging hoses.

[0024] The hydraulic dual-path pump assembly 9 includes a reservoir 901 installed at the top of a C-port hollow frame 1 on one side of the main inlet horizontal cylinder 2, an inlet straight pipe 902 and an inlet bend 903 respectively installed on both sides of the bottom end of the reservoir 901, and a servo pump 904 installed on one side of the top end of the C-port hollow frame 1. The outlet end of the servo pump 904 is connected to the inlet end of the reservoir 901. The bottom ends of the inlet straight pipe 902 and the inlet bend 903 extend into the interior of the main inlet horizontal cylinder 2. The input end of the servo pump 904 is electrically connected to the output end of the control panel 10. The servo pump 904 sends external water flow into the reservoir 901, and the reservoir 901 sends the water flow through the inlet straight pipe 902 and the inlet bend 903 into the main inlet horizontal cylinder 2 to quickly provide sufficient water flow pressure to the hose.

[0025] The main inlet horizontal cylinder 2 has an integrally formed front inlet nozzle 201 and rear inlet nozzle 202 on both sides of its top end. The top end of the front inlet nozzle 201 is connected to one end of the inlet bend 903, and the top end of the rear inlet nozzle 202 is connected to the bottom end of the inlet straight pipe 902. The main inlet horizontal cylinder 2 is connected to the inlet bend 903 and the inlet straight pipe 902 through the front inlet nozzle 201 and the rear inlet nozzle 202 to ensure unobstructed liquid flow.

[0026] The servo pump 904 is started by controlling the control panel 10. The servo pump 904 can achieve very precise pressure and flow control, and can accurately realize pressure rise and fall, pulse or fluctuation according to the preset program of the control panel 10, precisely adjust the output pressure and flow, and ensure that the hose or other hydraulic line works within the controlled range.

[0027] In this embodiment of the application, it is first confirmed that the hydraulic dual-path pump assembly 9, main inlet horizontal cylinder 2, auxiliary reservoir horizontal cylinder 5, control panel 10, digital pressure gauge 3, and clamp 6 are in good condition, ensuring no leakage or damage. Based on the specifications of the hose to be tested, a suitable clamp 6 is selected, and the high-pressure hose is securely installed between the main inlet horizontal cylinder 2 and the auxiliary reservoir horizontal cylinder 5. It is ensured that the high-pressure hose is tightly connected to the ends of the main inlet horizontal cylinder 2 and the auxiliary reservoir horizontal cylinder 5 without leakage. At this time, care must be taken to ensure the hose is securely fixed to avoid damage during the testing process. If slippage or loosening occurs, it will affect the test results. The operator connects the inlet of the hydraulic dual-channel pump assembly 9 to the external water supply and sets appropriate pressure parameters and pulse frequency on the control panel 10 according to the test requirements. This is to adjust the hydraulic dual-channel pump assembly 9 and gradually increase the pressure. During this process, the digital pressure gauge 3 will display the internal pressure changes of the hose and the main inlet cylinder 2 in real time. The operator should closely observe the reading of the digital pressure gauge 3 to ensure that the pressure gradually rises to the predetermined test value, avoiding overpressure that could damage the hose or cause a safety accident. During the pressure increase, the operation should be slow and the pressure gradually increased to ensure that the hose withstands pressure changes under controlled conditions. After the hydraulic dual-channel pump assembly 9 injects sufficient water into the main inlet cylinder 2, the hose, and the auxiliary reservoir cylinder 5, the pressure increase is paused. The operator then adjusts the hydraulic dual-channel pump assembly 9 through the control panel 10, applying pressure pulses of a certain frequency and amplitude to simulate water pressure fluctuations in actual working conditions. At this time, the digital pressure gauge 3 continues to display the pressure changes in the pipeline in real time. After completing the pulse pressure test, the operator gradually... Reduce the pressure and ensure the hose releases pressure gradually within a safe range. At this time, shut off the water supply to the hydraulic dual-circuit pump assembly 9 and open the right switch valve 7 and left switch valve 8 at the bottom of the main inlet horizontal cylinder 2 and the auxiliary reservoir horizontal cylinder 5 to drain the water from the main inlet horizontal cylinder 2, the auxiliary reservoir horizontal cylinder 5, and the hose. Then, release the clamp 6 from the end of the hose and remove the hose from between the main inlet horizontal cylinder 2 and the auxiliary reservoir horizontal cylinder 5. After draining, clean and maintain the device, and check that all connecting parts are intact to prepare for the next test.

Claims

1. A high-pressure hose pulse static pressure detection device, characterized in that: The system includes a C-port hollow frame (1), a main inlet horizontal cylinder (2) and a secondary liquid storage horizontal cylinder (5) installed on the left and right outer walls of the C-port hollow frame (1), and hollow tubes (4) bolted to the opposite ends of the main inlet horizontal cylinder (2) and the secondary liquid storage horizontal cylinder (5) via flanges. One end of the surface of the hollow tube (4) is fitted with a clamp (6). A digital pressure gauge (3) is installed at the top of the hollow tube (4) at the end of the main inlet horizontal cylinder (2). A hydraulic dual-path pump assembly (9) is installed at the top of the C-port hollow frame (1) on one side of the main inlet horizontal cylinder (2). The outlet end of the hydraulic dual-path pump assembly (9) is connected to the inlet end of the main inlet horizontal cylinder (2). A control panel (10) electrically connected to the input end of the hydraulic dual-path pump assembly (9) is installed on the other side of the top of the C-port hollow frame (1).

2. The high-pressure hose pulse static pressure detection device according to claim 1, characterized in that: A right switch valve (7) is installed on one side of the bottom end of the main liquid inlet horizontal cylinder (2), and a left switch valve (8) is installed on one side of the bottom end of the auxiliary liquid storage horizontal cylinder (5).

3. The high-pressure hose pulse static pressure detection device according to claim 1, characterized in that: The main liquid inlet horizontal cylinder (2) and the auxiliary liquid storage horizontal cylinder (5) are both made of stainless steel. The main liquid inlet horizontal cylinder (2) and the auxiliary liquid storage horizontal cylinder (5) are symmetrical about the vertical center reference plane of the hollow frame (1) at port C.

4. The high-pressure hose pulse static pressure detection device according to claim 1, characterized in that: The hydraulic dual-path pump assembly (9) includes a reservoir (901) installed on the top of a C-port hollow frame (1) on one side of the main inlet cylinder (2), an inlet straight pipe (902) and an inlet bend (903) installed on both sides of the bottom of the reservoir (901), and a servo pump (904) installed on one side of the top of the C-port hollow frame (1). The outlet of the servo pump (904) is connected to the inlet of the reservoir (901). The bottom ends of the inlet straight pipe (902) and the inlet bend (903) extend into the interior of the main inlet cylinder (2). The input end of the servo pump (904) is electrically connected to the output end of the control panel (10).

5. The high-pressure hose pulse static pressure detection device according to claim 4, characterized in that: The main inlet horizontal cylinder (2) has an inlet nozzle (201) and a rear inlet nozzle (202) integrally formed on both sides of its top end. The top end of the inlet nozzle (201) is connected to one end of the inlet bend (903), and the top end of the rear inlet nozzle (202) is connected to the bottom end of the inlet straight pipe (902).

6. The high-pressure hose pulse static pressure detection device according to claim 1, characterized in that: The distance between the end faces of the two hollow tubes (4) is 50cm to 100cm.

Images