A hydraulic system platform for high pressure large flow actuator testing

Abstract

The application provides a hydraulic system platform for high-pressure and large-flow actuator test, wherein a table top (1-2) is arranged on the top surface of a table body frame (1-1); a hydraulic system support (1-5) is arranged in the table body frame (1-1), and a hydraulic system (2) is arranged on the hydraulic system support (1-5); a platform hydraulic oil source interface (1-4) comprises a platform hydraulic oil source oil inlet interface and a platform hydraulic oil source oil return interface, and the two ends are respectively connected with a hydraulic oil source and the hydraulic system (2); a platform actuator connection interface (1-3) is respectively connected with a high-pressure and large-flow actuator and the hydraulic system (2) at the two ends; and the platform actuator connection interface (1-3) and an electric control box (1-6) are respectively arranged on the two sides of the table top (1-2). High pressure and large flow output can be provided, secondary regulation and monitoring of oil inlet and return pressure of a large-flow actuator and measurement of internal leakage flow are realized, and the oil circulation test demand of the high-pressure and large-flow actuator is solved.

Description

Technical Field

[0001] This invention belongs to the field of actuator testing technology, specifically relating to a hydraulic system platform for testing high-pressure, high-flow actuators. Background Technology

[0002] High-pressure, high-flow-rate actuators are characterized by high hydraulic working pressure, high working flow rate, and high output force. Testing of high-pressure, high-flow-rate actuators requires oil flow and monitoring of hydraulic parameters such as flow rate and pressure.

[0003] Current actuator platforms are generally suitable for actuators with low pressure and flow. When it is necessary to test high-pressure, high-flow actuators, temporary pipeline connections and temporary modifications to existing actuator test platforms are usually used for testing. The testing methods for high-pressure, high-flow actuators with pressure greater than 31MPa and flow greater than 100L are relatively crude, and a safe, convenient and reliable hydraulic system platform has not been formed. Summary of the Invention

[0004] This invention provides a hydraulic system platform for testing high-pressure, high-flow actuators, solving the problem of the lack of a safe, convenient, and reliable hydraulic system platform in the prior art.

[0005] The present invention provides a hydraulic system platform for testing high-pressure, high-flow actuators, comprising: a platform body 1 and a hydraulic system 2;

[0006] The platform body 1 includes: platform frame 1-1, platform surface 1-2, platform actuator connection interface 1-3, platform hydraulic oil source interface 1-4, hydraulic system support 1-5, and electrical control box 1-6;

[0007] The platform frame 1-1 is welded from square steel. The platform frame 1-1 has a bottom plate at the bottom, maintenance doors around the perimeter, and a platform 1-2 on the top surface.

[0008] The hydraulic system support 1-5 is installed inside the platform frame 1-1, and the hydraulic system 2 is installed on the hydraulic system support 1-5;

[0009] The platform hydraulic oil source interfaces 1-4 include a platform hydraulic oil source inlet interface and a platform hydraulic oil source return interface, with both ends connected to the hydraulic oil source and the hydraulic system 2, respectively.

[0010] The platform actuator connection interfaces 1-3 include: a platform actuator oil inlet connection interface and a platform actuator oil return connection interface, with the two ends respectively connected to the high-pressure high-flow actuator and the hydraulic system 2;

[0011] The platform actuator connection interface 1-3 and the electrical control box 1-6 are respectively located on both sides of the platform 1-2.

[0012] Optionally, the platform actuator connection interface 1-3 includes: platform actuator oil inlet connection interface 1-3-1 and platform actuator oil return connection interface 1-3-2;

[0013] The platform hydraulic oil source interface 1-4 includes: platform hydraulic oil source inlet interface 1-4-1 and platform hydraulic oil source return interface 1-4-2;

[0014] Hydraulic system 2 includes: oil inlet module 2-1 and oil return module 2-2;

[0015] The oil inlet module 2-1 includes: an oil inlet pressure regulating valve 2-1-1, an oil inlet pressure sensor 2-1-2, and a high-pressure filter 2-1-3;

[0016] The oil inlet pressure regulating valve 2-1-1 is connected in series between the platform actuator oil inlet connection port 1-3-1 and the platform hydraulic oil source inlet port 1-4-1 to perform secondary regulation of the oil pressure at the platform actuator oil inlet connection port 1-3-1.

[0017] The high-pressure filter 2-1-3 is connected in series between the oil inlet pressure regulating valve 2-1-1 and the platform hydraulic oil source inlet port 1-4-1, and is used to perform secondary filtration on the oil source fluid from the platform hydraulic oil source inlet port 1-4-1.

[0018] The oil inlet pressure sensor 2-1-2 is installed at the oil inlet connection interface 1-3-1 of the platform actuator to read the pressure value of secondary adjustment.

[0019] The return oil module 2-2 includes: a return oil pressure regulating valve 2-2-1, a throttle valve connection point 2-2-2, a throttle valve 2-2-3, a return oil pressure sensor 2-2-4, a two-way valve 2-2-5, a three-way valve 2-2-6, and a flow meter 2-2-7;

[0020] The return oil pressure regulating valve 2-2-1 is connected in series between the platform actuator return oil connection interface 1-3-2 and the platform hydraulic oil source return oil interface 1-4-2;

[0021] The throttle valve connection point 2-2-2 is located between the platform actuator return oil connection interface 1-3-2 and the return oil pressure regulating valve 2-2-1. The throttle valve 2-2-3 is connected in series between the platform actuator return oil connection interface 1-3-2 and the platform actuator inlet oil connection interface 1-3-1. By adjusting the return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3, the pressure at the platform actuator return oil connection interface 1-3-2 can be regulated.

[0022] The oil inlet pressure sensor 2-2-4 is installed at the oil inlet connection interface 1-3-2 of the platform actuator to read the pressure value obtained by the adjustment of the return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3;

[0023] The two-way valve 2-2-5 is connected in series between the throttle valve connection point 2-2-2 and the platform hydraulic oil return port 1-4-2. When the two-way valve 2-2-5 is open, the return oil pressure regulating valve 2-2-1 is bypassed, and the pressure at the platform actuator return oil connection port 1-4-2 is zero. When the two-way valve 2-2-5 is closed, the return oil pressure regulating valve 2-2-1 is connected, and the pressure at the platform actuator return oil connection port 1-4-2 can be adjusted by the return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3.

[0024] The three-way valve 2-2-6 includes a normally open valve port, a first selective valve port, and a second selective valve port. The normally open valve port is connected to the return oil connection interface 1-3-2 of the platform actuator. Both the first selective valve port and the second selective valve port are connected to the throttle valve connection point 2-2-2. A flow meter 2-2-7 is installed between the first selective valve port and the throttle valve connection point 2-2-2. The flow meter 2-2-7 is used to measure the internal leakage flow value of the high-pressure, high-flow actuator.

[0025] Optionally, hydraulic system 2 is a dual system;

[0026] The oil inlet module 2-1, oil return module 2-2, platform actuator connection interface 1-3, and platform hydraulic oil source interface 1-4 are each configured as two sets. When connecting the oil source, the two sets of platform hydraulic oil source interfaces are respectively connected to the inlet and return oil output ports of the two oil sources.

[0027] Optionally, the oil inlet module 2-1 further includes: an oil inlet pressure testing valve block 2-1-5;

[0028] The oil inlet pressure sensor 2-1-2 is installed at the oil inlet connection interface 1-3-1 of the platform actuator via the oil inlet pressure measuring valve block 2-1-5;

[0029] The two oil inlet modules 2-1 also share an oil inlet valve block 2-1-4;

[0030] Two plate-type oil inlet pressure regulating valves 2-1-1 are installed above the oil inlet valve block 2-1-4; a throttle valve 2-2-3 is located on the front side of the oil inlet valve block 2-1-4.

[0031] The high-pressure filter 2-1-3 is arranged behind the oil inlet valve block 2-1-4 through a pipe joint and is raised to reserve space for filter element replacement. The other end of the high-pressure filter 2-1-3 extends out of the platform frame through a wall joint to form the platform hydraulic oil source inlet interface.

[0032] Optionally, the three-way valve and the two-way valve are electric ball valves, and the switch of the electric ball valve is located in the electrical control box.

[0033] Optionally, the inlet pressure regulating valve 2-1-1 and the return pressure regulating valve 2-2-1 are proportional valves, and the switching device of the proportional valve is located in the electrical control box.

[0034] Optionally, the platform hydraulic oil source interface 1-4 is located at the bottom side of the platform frame 1-1.

[0035] Optionally, the platform 1-2 is provided with a T-slot for connecting and fixing a high-pressure, high-flow actuator.

[0036] This invention provides a hydraulic system platform for testing high-pressure, high-flow actuators. It offers high-pressure, high-flow output, enabling secondary adjustment and monitoring of the inlet and outlet oil pressures of high-flow actuators, as well as measurement of internal leakage flow. This integrated solution addresses the oil flow testing requirements of high-pressure, high-flow actuators. The hydraulic system utilizes proportional valves and electric ball valves, and features a closed platform and protective cover, ensuring both convenience and safety in its use. By employing a scheme where different oil source systems supply oil to different systems within the hydraulic system platform, pressure drop caused by oil merging and splitting from multiple systems is reduced, guaranteeing excellent performance in high-flow output testing. Attached Figure Description

[0037] Figure 1 An external view of a hydraulic system platform for testing high-pressure, high-flow actuators, provided in an embodiment of the present invention;

[0038] Figure 2 A schematic diagram of a hydraulic system platform for testing high-pressure, high-flow actuators, provided in an embodiment of the present invention;

[0039] Figure 3 A schematic diagram of a hydraulic system for testing high-pressure, high-flow actuators, provided as an embodiment of the present invention;

[0040] Figure 4 Another schematic diagram of a hydraulic system for testing a high-pressure, high-flow actuator, provided as an embodiment of the present invention;

[0041] Figure 5 A hydraulic schematic diagram of a hydraulic system for testing high-pressure, high-flow actuators, provided as an embodiment of the present invention;

[0042] Explanation of reference numerals in the attached figures:

[0043] 1-Platform body; 2-Hydraulic system;

[0044] 1-1-Platform frame, 1-2-Platform surface, 1-3-Platform actuator connection interface, 1-4-Platform hydraulic oil source interface, 1-5-Hydraulic system support, 1-6-Electrical control box;

[0045] 2-1-Inlet oil module, 2-2-Return oil module, 2-1-1-Plate-type inlet oil pressure regulating valve, 2-1-2-Inlet oil pressure sensor, 2-1-3-High pressure filter, 2-1-4-Inlet oil valve block, 2-1-5-Inlet oil pressure testing valve block, 2-2-1-Return oil pressure regulating valve, 2-2-2-Throttle valve connection point, 2-2-3-Throttle valve, 2-2-4-Return oil pressure sensor, 2-2-5-Two-way valve, 2-2-6-Three-way valve, 2-2-7-Flow meter, 2-2-8-Return oil valve block, 2-2-9-Return oil pressure testing valve block. Detailed Implementation

[0046] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0047] The features and illustrative embodiments of various aspects of the present invention will now be described in detail. Numerous specific details are set forth in the following detailed description to provide a thorough understanding of the invention. However, it will be apparent to those skilled in the art that the invention may be practiced without requiring some of these specific details. The following description of embodiments is merely intended to provide a better understanding of the invention by illustrating examples of the invention. The invention is by no means limited to any specific setups and methods set forth below, but covers any improvements, substitutions, and modifications to structures, methods, and devices without departing from the spirit of the invention. Well-known structures and techniques are not shown in the drawings and the following description to avoid unnecessarily obscuring the invention.

[0048] It should be noted that, unless otherwise specified, the embodiments of the present invention and the features thereof can be combined with each other, and the various embodiments can be referenced and cited in each other. The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0049] The present invention will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0050] Reference Figure 1-5This invention provides a hydraulic system platform for testing high-pressure, high-flow actuators, which can provide high-pressure, high-flow output, realize secondary adjustment and monitoring of the inlet and outlet oil pressure of high-flow actuators, and realize the measurement of internal leakage flow, thus comprehensively solving the oil flow testing requirements of high-pressure, high-flow actuators.

[0051] The present invention provides a hydraulic system platform for testing high-pressure, high-flow actuators, the hydraulic system platform comprising: a platform body 1 and a hydraulic system 2.

[0052] The platform frame 1-1 is welded from square steel of sufficient strength. The platform frame is designed as a closed type with maintenance doors on all four sides for easy opening, operation and maintenance. The top surface is provided with a tabletop 1-2.

[0053] The platform 1-2 is provided with a T-slot for connecting and fixing the high-pressure, high-flow actuator and its tooling accessories.

[0054] The platform actuator connection interface 1-3 includes a platform actuator oil inlet connection interface 1-3-1 and a platform actuator oil return connection interface 1-3-2. The platform actuator connection interface 1-3 and the electrical control box 1-6 are respectively located on the left and right sides of the platform 1-2. The control panel is located on the upper part of the electrical control box 1-6.

[0055] The platform hydraulic oil source interface 1-4 includes a platform hydraulic oil source inlet interface 1-4-1 and a platform hydraulic oil source return interface 1-4-2, both of which are located at the bottom of the rear side of the platform frame 1-1.

[0056] Two-way valves are provided at the platform actuator connection interface 1-3 and the platform hydraulic oil source interface 1-4 for connecting and disconnecting the oil circuit at the interface position.

[0057] During the testing of the high-pressure, high-flow actuator, the high-pressure, high-flow actuator inlet port is connected to the platform actuator inlet port 1-3-1, and the high-pressure, high-flow actuator return port is connected to the platform actuator return port 1-3-2. An external hydraulic oil source is connected, with its inlet and outlet ports connected to the platform hydraulic oil source inlet port 1-4-1, and its return port connected to the platform hydraulic oil source return port 1-4-2.

[0058] Hydraulic system 2, mounted on hydraulic system bracket 1-5, includes an oil inlet module 2-1 and an oil return module 2-2. The hydraulic system is configured as a dual system, allowing for functional performance testing of single-system or dual-system high-pressure, high-flow actuators. Two sets of each are configured: oil inlet module 2-1, oil return module 2-2, platform actuator connection interface 1-3, and platform hydraulic oil source interface 1-4. When connecting the oil source, the two sets of platform hydraulic oil source interfaces are connected to the inlet and return oil output ports of the two oil source systems respectively, reducing the throttling pressure drop caused by the merging and splitting of oil from multiple systems.

[0059] The oil inlet module 2-1 is connected in series between the platform actuator oil inlet connection interface 1-3-1 and the platform hydraulic oil source inlet interface 1-4-1. Each oil inlet module is equipped with one plate-type oil inlet pressure regulating valve 2-1-1, one oil inlet pressure sensor 2-1-2, one high-pressure filter 2-1-3, and one oil inlet pressure testing valve block 2-1-5. Two oil inlet modules 2-1 share one oil inlet valve block 2-1-4, achieving a compact arrangement of the hydraulic system.

[0060] The plate-type oil inlet pressure regulating valve 2-1-1 is connected in series between the platform actuator oil inlet connection port 1-3-1 and the platform hydraulic oil source inlet port 1-4-1 to perform secondary regulation of the oil pressure at the platform actuator oil inlet connection port 1-3-1.

[0061] The oil inlet pressure testing valve block 2-1-5 is set at the oil inlet connection interface 1-3-1 of the platform actuator, and the oil inlet pressure sensor 2-1-2 is installed on the oil inlet pressure testing valve block 2-1-5, which can read the pressure value at the oil inlet connection interface 1-3-1 of the platform actuator after secondary adjustment.

[0062] The high-pressure filter 2-1-3 is connected in series between the oil inlet pressure regulating valve 2-1-1 and the platform hydraulic oil source inlet port 1-4-1, and is used to perform secondary filtration on the oil source fluid from the platform hydraulic oil source inlet port 1-4-1.

[0063] The oil inlet modules 2-1 of the two systems are arranged based on one oil inlet valve block 2-1-4 and two identical oil inlet pressure testing valve blocks 2-1-5. The high-pressure filter 2-1-3 is positioned behind the oil inlet valve block 2-1-4 via a pipe joint and is raised to allow space for filter element replacement. The other end of the high-pressure filter 2-1-3 extends out of the platform frame 1-1 via a wall-mounted connector, forming the platform hydraulic oil inlet interface 1-4-1. The plate-type oil inlet pressure regulating valve 2-1-1 is installed above the oil inlet valve block 2-1-4 for easy operation. The left side of the oil inlet valve block 2-1-4 is connected to the bottom of the two oil inlet pressure testing valve blocks 2-1-5 via a pipeline for oil output after pressure regulation by the plate-type oil inlet pressure regulating valve 2-1-1. The oil inlet pressure sensor 2-1-2 is installed on the right side of the oil inlet pressure testing valve block 2-1-5. The upper part of the oil inlet pressure testing valve block 2-1-4 extends onto the platform 1-2, forming the platform actuator oil inlet connection interface 1-3-1.

[0064] The oil return module 2-2 is connected in series between the platform actuator oil return connection interface 1-3-2 and the platform hydraulic oil source oil return interface 1-4-2, with a total of 2 sets; each set of oil return module 2-2 is equipped with one plate-type oil return pressure regulating valve 2-2-1, one throttle valve connection point 2-2-2, one throttle valve 2-2-3, one oil return pressure sensor 2-2-4, one two-way electric ball valve 2-2-5, one three-way electric ball valve 2-2-6, one flow meter 2-2-7, one oil return valve block 2-2-8, and one oil return pressure measuring valve block 2-2-9.

[0065] The plate-type return oil pressure regulating valve 2-2-1 is connected in series between the platform actuator return oil connection interface 1-3-2 and the platform hydraulic oil source return oil interface 1-4-2;

[0066] The throttle valve connection point 2-2-2 is located between the platform actuator return oil connection interface 1-3-2 and the plate-type return oil pressure regulating valve 2-2-1;

[0067] The throttle valve 2-2-3 is connected in series between the platform actuator return oil connection port 1-3-2 and the platform actuator inlet oil connection port 1-3-1. By adjusting the plate-type return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3, the throttle valve 2-2-3 is opened to a certain degree, so that there is a certain return oil flow in the inlet and outlet oil. Based on this, by adjusting the plate-type return oil pressure regulating valve 2-2-1, the pressure at the platform actuator return oil connection port 1-3-2 can be regulated.

[0068] The oil return pressure testing valve block 2-2-9 is set at the oil return connection interface 1-3-2 of the platform actuator, and the oil return pressure sensor 2-2-4 is installed on the oil return pressure testing valve block 2-2-9, which can read the pressure value at the oil return connection interface 1-3-2 of the platform actuator after secondary adjustment.

[0069] The two-way electric ball valve 2-2-5 is connected in series between the throttle valve connection point 2-2-2 and the platform hydraulic oil return port 1-4-2. When the two-way electric ball valve 2-2-5 is connected, the plate-type return oil pressure regulating valve 2-2-1 is bypassed, the pressure at the platform actuator return oil connection port 1-3-2 is zero, the return oil pressure regulation function is blocked, and the return oil pressure cannot be regulated by the plate-type return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3. When the two-way electric ball valve 2-2-5 is disconnected, the plate-type return oil pressure regulating valve 2-2-1 is connected, and the pressure at the platform actuator return oil connection port 1-3-2 can be regulated by the return oil pressure regulating valve 2-2-1 and the throttle valve 2-2-3.

[0070] The three-way electric ball valve 2-2-6 includes a normally open valve port, a first selective valve port, and a second selective valve port, and has two states: state A, where the normally open valve port is connected to the first selective valve port and disconnected from the second selective valve port, and state B, where the normally open valve port is disconnected from the first selective valve port and connected to the second selective valve port; the normally open valve port is connected to the platform actuator return oil connection interface 1-3-2, and both the first selective valve port and the second selective valve port are connected to the throttle valve connection point 2-2-2;

[0071] The flow meter 2-2-7 is connected in series between the first selector valve port and the throttle valve connection point 2-2-2; wherein, when the three-way electric ball valve 2-2-6 is set to state A, the flow meter 2-2-7 is connected, and in this mode, the internal leakage flow value of the high-pressure, high-flow actuator can be measured; when the three-way electric ball valve 2-2-6 is set to state B, the flow meter 2-2-7 is bypassed for protection.

[0072] The cables of the two-way electric ball valve 2-2-5 and the three-way electric ball valve 2-2-6 are led into the electrical control cabinet and adjusted through the control panel on the top of the electrical control cabinet 1-6.

[0073] The return oil modules 2-2 of the two systems have the same structure and are arranged on the left and right sides. Each system is based on a return oil valve block 2-2-8 and a return oil pressure testing valve block 2-2-9. The plate-type return oil pressure regulating valve 2-2-1 is arranged above the return oil valve block 2-2-8. The two ports of the two-way electric ball valve 2-2-5 are connected to the ports located on the front and rear sides of the return oil valve block via oil pipes. The first and second selector ports of the three-way electric ball valve 2-2-6 are connected to the ports located on the left and rear sides of the return oil valve block 2-2-8, respectively. The normally open port of the three-way electric ball valve 2-2-6 is connected to the bottom of the return oil pressure testing valve block 2-2-9 via a pipeline. The return oil pressure sensor 2-2-4 is installed on the right side of the return oil pressure testing valve block 2-2-9. The upper part of the return oil pressure testing valve block 2-2-9 extends onto the platform to form the platform actuator return oil connection interface 1-4-1. The above installation and connection method allows for the interpenetration of the pipelines for the two types of electric ball valves, reducing the space occupied. The flow meter 2-2-7 and the plate-type return oil pressure regulating valve 2-2-1 on the front side of the equipment are unobstructed, facilitating operation and maintenance through the front maintenance door of the platform frame 1-1. The actuators for the two types of electric ball valves are located on the rear side of the return oil valve block 2-2-8, with no obstructions on the rear side, also facilitating operation and maintenance through the rear maintenance door of the platform frame 1-1. The control panel of the electrical control box 1-6 provides the switching devices for the two types of electric ball valves, enabling convenient operation. The throttle valve 2-2-3 is located on the front side of the inlet valve block 2-1-4 for easy operation and maintenance.

[0074] The above-described embodiments are merely preferred embodiments of the present invention, and while the descriptions are specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in the present invention, and these modifications or substitutions should all be included within the scope of protection of the present invention.

Claims

1. A hydraulic system platform for testing high-pressure, high-flow-rate actuators, characterized in that, include: Platform body (1) and hydraulic system (2); The platform body (1) includes: platform frame (1-1), platform surface (1-2), platform actuator connection interface (1-3), platform hydraulic oil source interface (1-4), hydraulic system support (1-5), and electrical control box (1-6); The platform frame (1-1) is welded from square steel. The platform frame (1-1) has a bottom plate at the bottom, maintenance doors around the perimeter, and a platform (1-2) on the top surface. The hydraulic system support (1-5) is installed inside the platform frame (1-1), and the hydraulic system (2) is installed on the hydraulic system support (1-5); The platform hydraulic oil source interface (1-4) includes a platform hydraulic oil source inlet interface and a platform hydraulic oil source return interface, with both ends connected to the hydraulic oil source and the hydraulic system (2) respectively; The platform actuator connection interface (1-3) includes: platform actuator oil inlet connection interface and platform actuator oil return connection interface, with the two ends connected to the high-pressure high-flow actuator and the hydraulic system (2) respectively; The platform actuator connection interface (1-3) and the electrical control box (1-6) are respectively located on both sides of the platform (1-2).

2. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 1, characterized in that, The platform actuator connection interface (1-3) includes: platform actuator oil inlet connection interface (1-3-1) and platform actuator oil return connection interface (1-3-2); The platform hydraulic oil source interface (1-4) includes: platform hydraulic oil source inlet interface (1-4-1) and platform hydraulic oil source return interface (1-4-2); The hydraulic system (2) includes: an oil inlet module (2-1) and an oil return module (2-2); The oil inlet module (2-1) includes: an oil inlet pressure regulating valve (2-1-1), an oil inlet pressure sensor (2-1-2), and a high-pressure filter (2-1-3); The oil inlet pressure regulating valve (2-1-1) is connected in series between the platform actuator oil inlet connection port (1-3-1) and the platform hydraulic oil source inlet port (1-4-1) to perform secondary regulation of the oil pressure at the platform actuator oil inlet connection port (1-3-1); The high-pressure filter (2-1-3) is connected in series between the oil inlet pressure regulating valve (2-1-1) and the platform hydraulic oil source inlet port (1-4-1) for secondary filtration of the oil source fluid from the platform hydraulic oil source inlet port (1-4-1); The oil inlet pressure sensor (2-1-2) is located at the oil inlet connection interface (1-3-1) of the platform actuator to read the pressure value of the secondary adjustment; The oil return module (2-2) includes: an oil return pressure regulating valve (2-2-1), a throttle valve connection point (2-2-2), a throttle valve (2-2-3), an oil return pressure sensor (2-2-4), a two-way valve (2-2-5), a three-way valve (2-2-6), and a flow meter (2-2-7); The return oil pressure regulating valve (2-2-1) is connected in series between the platform actuator return oil connection interface (1-3-2) and the platform hydraulic oil source return oil interface (1-4-2); The throttle valve connection point (2-2-2) is located between the platform actuator return oil connection port (1-3-2) and the return oil pressure regulating valve (2-2-1). The throttle valve (2-2-3) is connected in series between the platform actuator return oil connection port (1-3-2) and the platform actuator inlet oil connection port (1-3-1). By adjusting the return oil pressure regulating valve (2-2-1) and the throttle valve (2-2-3), the pressure at the platform actuator return oil connection port (1-3-2) can be regulated. The oil inlet pressure sensor (2-2-4) is located at the oil inlet connection interface (1-3-2) of the platform actuator to read the pressure value obtained by the adjustment of the return oil pressure regulating valve (2-2-1) and the throttle valve (2-2-3); The two-way valve (2-2-5) is connected in series between the throttle valve connection point (2-2-2) and the platform hydraulic oil return port (1-4-2). When the two-way valve (2-2-5) is open, the return oil pressure regulating valve (2-2-1) is bypassed, and the pressure at the platform actuator return oil connection port (1-4-2) is zero. When the two-way valve (2-2-5) is closed, the return oil pressure regulating valve (2-2-1) is connected, and the pressure at the platform actuator return oil connection port (1-4-2) can be adjusted by the return oil pressure regulating valve (2-2-1) and the throttle valve (2-2-3). The three-way valve (2-2-6) includes a normally open valve port, a first selective valve port, and a second selective valve port. The normally open valve port is connected to the return oil connection interface (1-3-2) of the platform actuator. The first selective valve port and the second selective valve port are both connected to the throttle valve connection point (2-2-2). A flow meter (2-2-7) is installed between the first selective valve port and the throttle valve connection point (2-2-2). The flow meter (2-2-7) is used to measure the internal leakage flow value of the high-pressure, high-flow actuator.

3. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 2, characterized in that, The hydraulic system (2) is a dual system; The oil inlet module (2-1), oil return module (2-2), platform actuator connection interface (1-3), and platform hydraulic oil source interface (1-4) are all set in two sets. When connecting the oil source, the two sets of platform hydraulic oil source interfaces are respectively connected to the inlet and return oil output ports of the (2) oil sources.

4. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 3, characterized in that, The oil inlet module (2-1) also includes: an oil inlet pressure testing valve block (2-1-5); The oil inlet pressure sensor (2-1-2) is installed at the oil inlet connection interface (1-3-1) of the platform actuator via the oil inlet pressure measuring valve block (2-1-5); The two oil inlet modules (2-1) also share an oil inlet valve block (2-1-4); Two plate-type inlet pressure regulating valves (2-1-1) are installed above the inlet valve block (2-1-4); a throttle valve (2-2-3) is located on the front side of the inlet valve block (2-1-4); The high-pressure filter (2-1-3) is arranged behind the oil inlet valve block (2-1-4) through a pipe joint and is raised to reserve space for filter element replacement. The other end of the high-pressure filter (2-1-3) extends out of the platform frame through a wall joint to form the platform hydraulic oil source inlet interface.

5. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 2, characterized in that, The three-way valve and the two-way valve are electric ball valves, and the switch of the electric ball valve is located in the electrical control box.

6. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 2, characterized in that, The inlet pressure regulating valve (2-1-1) and the return pressure regulating valve (2-2-1) are proportional valves, and the switching device of the proportional valve is located in the electrical control box.

7. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 1, characterized in that, The platform hydraulic oil source interface (1-4) is located at the bottom side of the platform frame (1-1).

8. The hydraulic system platform for testing high-pressure, high-flow actuators according to claim 1, characterized in that, The platform (1-2) is provided with a T-slot for connecting and fixing a high-pressure, high-flow actuator.

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