Oil pressure testing platform

Abstract

The invention discloses an oil pressure test platform. A hydraulic oil tank is used for containing hydraulic oil and is provided with an oil return joint and an oil suction joint communicated with an oil outlet pipeline; the oil way valve block is used for controlling on-off of an oil way and provided with an oil way inlet and a first oil way outlet. The first oil return pipeline, the oil way inlet, the first oil way outlet, the second oil return pipeline, the actuator, the third oil return pipeline and the oil return connector are sequentially communicated. Wherein the oil pump to be tested is communicated between the oil outlet pipeline and the first oil return pipeline, and the pressure gauge is arranged on the second oil return pipeline; when the to-be-tested oil pump works, high-pressure hydraulic oil is introduced into the second oil return pipeline, so that the actuator executes an oil pressure action; when the oil pump to be tested stops working, the actuator can recycle the hydraulic oil through the third oil return pipeline. According to the technical scheme, the working state of the servo oil pump driving and controlling all-in-one machine is simulated, so that the testing efficiency is improved while the cost is saved.

Description

Technical Field

[0001] The present invention relates to the technical field of oil pressure testing, and in particular to an oil pressure testing platform. Background Art

[0002] The servo oil pump drive control integrated machine is a device that integrates a servo motor, an oil pump, and a drive control system. It is widely used in hydraulic systems. It uses a servo motor to accurately control the operation of the oil pump to achieve precise regulation of the flow and pressure of the hydraulic oil. This device has important applications in industrial automation, aerospace, and mechanical manufacturing, and can meet the needs of high-precision and high-efficiency hydraulics. The servo oil pump drive control integrated machine can automatically adjust the output of the oil pump according to changes in the load, effectively improving the energy efficiency of the hydraulic system, and can improve work efficiency through high-speed response and precise control to ensure the stability and reliability of the hydraulic system.

[0003] At present, the detection of servo oil pump drive control integrated machine is usually carried out through field testing in the actual application system. This method requires the construction of a complete hydraulic system and simulation of actual working conditions to evaluate the performance of the equipment. Although this method can provide real working environment data, it also has many disadvantages. First, the cost of field testing is high, and equipment installation and commissioning require a lot of time and resources; second, the testing process may have safety hazards, and once a failure occurs, it is more complicated to handle; and because each test requires the construction of an actual hydraulic system, the test efficiency is low, and it cannot be repeated quickly to verify the different working conditions of the equipment. Summary of the invention

[0004] The purpose of the present invention is to provide an oil pressure test platform, which aims to simulate the working state of a servo oil pump drive control integrated machine without configuring an actual application system, thereby saving costs and improving test efficiency.

[0005] To achieve this object, the present invention adopts the following technical solutions: A hydraulic test platform comprises a hydraulic oil tank, an oil circuit valve block, an actuator, a pressure gauge, an oil outlet pipeline, a first oil return pipeline, a second oil return pipeline and a third oil return pipeline; The hydraulic oil tank is used to contain hydraulic oil, and the hydraulic oil tank has an oil return joint and an oil suction joint connected to the oil outlet pipeline; The oil circuit valve block is used to control the on-off of the oil circuit, and the oil circuit valve block has an oil circuit inlet and a first oil circuit outlet; The first oil return pipeline, the oil circuit inlet, the first oil circuit outlet, the second oil return pipeline, the actuator, the third oil return pipeline and the oil return joint are connected in sequence; Among them, the oil pump to be tested is connected between the oil outlet pipeline and the first oil return pipeline, and the pressure gauge is arranged on the second oil return pipeline; the oil pump to be tested works to allow high-pressure hydraulic oil to flow into the second oil return pipeline, thereby enabling the actuator to perform oil pressure action; when the oil pump to be tested stops working, the actuator can recover the hydraulic oil through the third oil return pipeline.

[0006] In one embodiment, an oil suction port stop valve is provided between the oil suction joint and the oil outlet pipeline, and the oil suction port stop valve is used to control the oil flow rate and the on-off of the oil circuit of the oil suction joint.

[0007] In one embodiment, the actuator is a cylinder.

[0008] In one embodiment, the oil circuit valve block includes a first solenoid valve, a second solenoid valve and a relief valve; The first solenoid valve is arranged on the first oil return pipeline; The second solenoid valve is arranged on the third oil return pipeline; The oil inlet end of the overflow valve forms a three-way connection with the first oil return pipeline and the second oil return pipeline respectively; the oil discharge end of the overflow valve is connected to the third oil return pipeline and is located at the oil outlet side of the second solenoid valve.

[0009] In one embodiment, the oil circuit valve block further includes a third solenoid valve, and the third solenoid valve is disposed in the second oil return pipeline.

[0010] In one embodiment, the oil circuit valve block includes a valve block body; The valve block body is formed with the oil circuit inlet and the first oil circuit outlet; the valve block body is also formed with an oil return port and a second oil circuit outlet; The oil pressure test platform also includes a fourth oil return pipeline; The second solenoid valve, the oil inlet end of the relief valve, the oil discharge end of the relief valve and the two first solenoid valves are all disposed on the valve block body; The third oil return pipeline is connected to the oil return port; the fourth oil return pipeline is connected to the second oil circuit outlet; The oil discharge end of the overflow valve, the third oil return pipeline, and the fourth oil return pipeline form a three-way connection inside the valve block body.

[0011] In one embodiment, an oil return filter is further provided in the oil return joint.

[0012] In one embodiment, a wave-breaking plate is also provided in the hydraulic oil tank; The wave-breaking plate is used to reduce the fluctuation of the hydraulic oil in the hydraulic oil tank.

[0013] In one embodiment, a thermometer is further provided on the outer surface of the hydraulic oil tank, and the thermometer is used to monitor the temperature of the hydraulic oil in the hydraulic oil tank.

[0014] In one embodiment, it further comprises a platform base, the hydraulic oil tank is fixed to the platform base, and the platform base is respectively formed with an oil collecting tank and a mounting platform; The mounting platform is used to fix the oil pump to be tested; the oil collecting tank is used to collect the hydraulic oil in the oil outlet pipeline and the first oil return pipeline; The oil collecting tank is also provided with an oil drain nozzle, and the oil drain nozzle is used to discharge the hydraulic oil in the oil collecting tank.

[0015] Compared with the prior art, the present invention has the following beneficial effects: The oil pressure test platform of the technical solution of the present invention sets a specific oil pressure and speed for the servo oil pump drive control integrated machine to be tested (i.e., the oil pump to be tested) during the test process, so that the actuator can stably perform oil pressure actions, and reads the actual oil pressure value through the pressure gauge in the second oil return line, and compares the actual oil pressure with the set oil pressure to evaluate the test results. This solution effectively solves the problems of high cost, low efficiency and potential safety hazards caused by testing through actual application systems in the prior art. Through the platform that simulates oil pressure actions, testers can quickly and accurately perform multiple tests and calibrations in a laboratory environment, significantly reducing test costs and improving test efficiency, thereby ensuring the performance and reliability of the servo oil pump drive control integrated machine. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] The structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so as to facilitate understanding and reading by persons familiar with this technology. They are not used to limit the conditions under which the present invention can be implemented, and therefore have no substantive technical significance. Any structural modification, change in proportion or adjustment of size, without affecting the effects and purposes that can be achieved by the present invention, should still fall within the scope of the technical contents disclosed by the present invention.

[0018] Figure 1 This is a structural principle diagram of an embodiment of the oil pressure test platform of the present invention; Figure 2 This is a structural principle diagram of an embodiment of a hydraulic valve block of the present invention; Figure 3 It is a structural schematic diagram of an embodiment of the oil pressure test platform of the present invention; Figure 4 for Figure 3 A schematic diagram of the structure from another angle; Illustration: 100, oil pressure test platform; 110, hydraulic oil tank; 112, oil return joint; 113, oil suction joint; 114, oil filling port; 120, oil circuit valve block; 121, oil circuit inlet; 122, first oil circuit outlet; 123, first solenoid valve; 124, second solenoid valve; 125, overflow valve; 126. Valve block body; 127. Oil return port; 128. Second oil circuit outlet; 129. Third solenoid valve; 130, actuator; 140, pressure gauge; 151, oil outlet pipeline; 152, first oil return pipeline; 153, second oil return pipeline; 154, third oil return pipeline; 155, fourth oil return pipeline; 160, oil suction port stop valve; 170, wave-breaking plate; 180, thermometer; 190. Platform base; 191. Mounting table; 192. Oil collecting tank; 193. Oil drain nozzle. DETAILED DESCRIPTION

[0019] In order to make the technical purpose, features and advantages of the present invention more obvious and easy to understand, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described below are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. It should be noted that when a component is considered to be "connected" to another component, it may be directly connected to the other component or there may be a centrally arranged component at the same time.

[0021] The technical solution of the present invention is further described below with reference to the accompanying drawings and through specific implementation methods.

[0022] An embodiment of the present invention provides an oil pressure testing platform 100 .

[0023] See also Figures 1 to 4 In one embodiment of the present invention, the oil pressure test platform 100 includes a hydraulic oil tank 110, an oil circuit valve block 120, an actuator 130, a pressure gauge 140, an oil outlet pipeline 151, a first oil return pipeline 152, a second oil return pipeline 153 and a third oil return pipeline 154; The hydraulic oil tank 110 is used to contain hydraulic oil, and the hydraulic oil tank 110 has an oil return joint 112 and an oil suction joint 113 connected to the oil outlet pipeline 151; The oil circuit valve block 120 is used to control the on-off of the oil circuit, and the oil circuit valve block 120 has an oil circuit inlet 121 and a first oil circuit outlet 122; The first oil return pipeline 152, the oil circuit inlet 121, the first oil circuit outlet 122, the second oil return pipeline 153, the actuator 130, the third oil return pipeline 154 and the oil return joint 112 are connected in sequence; Among them, the oil pump to be tested is connected between the oil outlet pipeline 151 and the first oil return pipeline 152, and the pressure gauge 140 is arranged on the second oil return pipeline 153; the oil pump to be tested works to allow high-pressure hydraulic oil to flow into the second oil return pipeline 153, thereby enabling the actuator 130 to perform oil pressure action; when the oil pump to be tested stops working, the actuator 130 can recover the hydraulic oil through the third oil return pipeline 154.

[0024] Specifically, the hydraulic oil tank 110 is a container for storing and supplying hydraulic oil; the oil circuit valve block 120 is a device for controlling the circulation and flow direction of hydraulic oil; the actuator 130 can be a hydraulic cylinder or other component driven by hydraulic oil pressure; the pressure gauge 140 is an instrument for measuring the hydraulic oil pressure; the oil outlet pipeline 151, the first oil return pipeline 152, the second oil return pipeline 153 and the third oil return pipeline 154 are pipeline systems for the inlet and outlet and return of hydraulic oil respectively; the return oil joint 112 and the oil suction joint 113 are interfaces on the hydraulic oil tank 110 for connecting the return oil pipeline and the oil outlet pipeline 151; the oil pump to be tested refers to the servo oil pump control drive integrated machine.

[0025] Furthermore, the hydraulic oil tank 110 is connected to the third oil return pipeline 154 through the oil return joint 112, and the oil suction joint 113 is connected to the oil outlet pipeline 151; the oil inlet 121 of the oil circuit valve block 120 is connected to the first oil return pipeline 152, and the oil circuit outlet is connected to the second oil return pipeline 153; the first oil return pipeline 152, the oil circuit inlet 121, and the oil circuit outlet are connected in sequence; the oil pump to be tested is connected between the oil outlet pipeline 151 and the first oil return pipeline 152; the pressure gauge 140 is installed on the second oil return pipeline 153; the actuator 130 is connected to the second oil return pipeline 153 and the third oil return pipeline 154. In this way, the oil pump to be tested can inhale hydraulic oil through the oil outlet pipeline 151, enter the second oil return pipeline 153 after being adjusted by the oil circuit valve block 120, push the actuator 130 to operate, and finally return to the hydraulic oil tank 110 through the third oil return pipeline 154.

[0026] It should be noted that when the oil pump to be tested (i.e., the servo oil pump control drive integrated machine) is working, it will be fed with high-pressure hydraulic oil and transmitted to the actuator 130 through the second oil return line 153, so that the actuator 130 performs a predetermined oil pressure action. When the oil pump to be tested stops working, the actuator 130 can return the hydraulic oil to the hydraulic oil tank 110 through the third oil return line 154 to achieve the recovery and reuse of the hydraulic oil.

[0027] Therefore, the oil pressure test platform 100 can simulate the working state of the servo oil pump control drive integrated machine, realize the execution of the oil pressure action, and then complete the actual oil pressure test through the reading of the pressure gauge 140. Compared with the solution in the prior art that needs to be tested in the actual application system, the test platform can complete the test in a laboratory environment, significantly reducing the test cost and avoiding potential safety hazards in field testing. In addition, by reading the reading of the pressure gauge 140 and comparing it with the set oil pressure, it is possible to quickly determine whether the performance of the oil pump meets the requirements, further improving the test efficiency and accuracy.

[0028] Furthermore, the hydraulic oil tank 110 is provided with an oil filling port 114 , and the oil filling port 114 is used to inject hydraulic oil into the hydraulic oil tank 110 .

[0029] See also Figure 1 , Figure 2 and Figure 3 In a specific embodiment, an oil suction port stop valve 160 is provided between the oil suction joint 113 and the oil outlet pipeline 151 , and the oil suction port stop valve 160 is used to control the oil flow rate and the on-off of the oil circuit of the oil suction joint 113 .

[0030] Specifically, the oil suction joint 113 is a component connecting the hydraulic oil tank 110 and the oil outlet pipeline 151, and is used for the hydraulic oil to flow from the oil tank into the oil outlet pipeline 151; the oil suction port stop valve 160 is a valve used to control the hydraulic oil passing through the oil suction joint 113, which can adjust the flow of the hydraulic oil and control the on and off of the hydraulic oil.

[0031] It should also be noted that the oil suction port stop valve 160 can be directly installed between the oil suction joint 113 and the oil outlet pipeline 151, or connected through suitable connectors such as threaded interfaces, flange connections, etc. The function of the oil suction port stop valve 160 is to control the switch state and flow rate of the oil suction joint 113. By adjusting the opening of the valve, the flow rate of the hydraulic oil can be accurately controlled.

[0032] It is understandable that an oil suction port stop valve 160 is provided between the oil suction joint 113 and the oil outlet pipeline 151, so that the tester can flexibly control the flow and on-off of the hydraulic oil, thereby improving the safety of the test and the convenience of operation.

[0033] Optionally, the number of the oil suction port stop valves 160 is at least two, and the two oil suction port stop valves 160 have different calibers to meet the needs of the oil pumps to be tested with different flow specifications, thereby further improving the applicability of the oil pressure test platform.

[0034] Optionally, the actuator 130 may be a hydraulic motor or a cylinder.

[0035] In a specific embodiment, the actuator 130 is a cylinder.

[0036] It should be explained that the above-mentioned actuator 130 refers to a component in the hydraulic system that is driven by hydraulic oil and performs mechanical actions. In the present embodiment, the actuator 130 is specifically an oil cylinder. It can be understood that the oil cylinder is a device that uses the pressure of hydraulic oil to generate linear motion, and usually includes components such as a cylinder barrel, a piston and a piston rod. The pressure of the hydraulic oil pushes the piston to move in the cylinder barrel, thereby generating mechanical force and motion. In specific applications, the oil cylinder is connected to the hydraulic system through the second oil return line 153 and the third oil return line 154. The hydraulic oil enters the oil cylinder through the second oil return line 153, pushing the piston to move. After completing the oil pressure action, the hydraulic oil returns to the hydraulic oil tank 110 through the third oil return line 154.

[0037] It is understandable that the oil cylinder as the actuator 130 has a simple and reliable linear motion mode and structure, and is easy to install and maintain. Compared with other forms of actuators 130, the oil cylinder can provide stable and controllable linear motion and is suitable for various oil pressure test requirements.

[0038] Optionally, the oil cylinder may be a one-way oil cylinder or a two-way oil cylinder. In the following embodiments of the present application, a one-way oil cylinder is taken as an example for description.

[0039] See also Figure 2 In a specific embodiment, the oil circuit valve block 120 includes a first solenoid valve 123, a second solenoid valve 124 and a relief valve 125; The first solenoid valve 123 is disposed in the first oil return pipeline 152; The second solenoid valve 124 is disposed in the third oil return pipeline 154; The oil inlet end of the overflow valve 125 forms a three-way connection with the first oil return pipeline 152 and the second oil return pipeline 153 respectively; the oil discharge end of the overflow valve 125 is connected to the third oil return pipeline 154 and is located at the oil outlet side of the second solenoid valve 124.

[0040] It should be explained that the oil circuit valve block 120 is a device for controlling the flow of hydraulic oil in different pipelines. The first solenoid valve 123 is a valve that opens or closes the hydraulic oil circuit through electrical signal control, and the second solenoid valve 124 is also a valve that is opened and closed through electrical signal control. The overflow valve 125 is a safety valve for controlling system pressure. When the hydraulic system pressure exceeds the set value, the overflow valve 125 will open, allowing the hydraulic oil to flow out to reduce the system pressure and protect the system safety.

[0041] Optionally, the first solenoid valve 123 may be installed in the first oil return pipeline 152 or in the second oil return pipeline 153 to control the flow of hydraulic oil in the two pipelines.

[0042] The second solenoid valve 124 is installed on the third oil return pipeline 154 to control the flow of hydraulic oil in the third oil return pipeline 154. The oil inlet end of the relief valve 125 is connected to the first oil return pipeline 152 and the second oil return pipeline 153 to form a three-way pipeline, so that the relief valve 125 can receive hydraulic oil from these two pipelines. The oil discharge end of the relief valve 125 is connected to the third oil return pipeline 154 and is located on the oil outlet side of the second solenoid valve 124, so that when the relief valve 125 is opened, the hydraulic oil can flow back to the hydraulic oil tank 110 through the third oil return pipeline 154.

[0043] It can be understood that by setting the first solenoid valve 123, the second solenoid valve 124 and the relief valve 125 in the oil circuit valve block 120, the control function of the hydraulic test platform is further improved. The first solenoid valve 123 and the second solenoid valve 124 can independently control the flow of hydraulic oil in their respective pipelines to achieve flexible hydraulic control. The setting of the relief valve 125 can automatically release the hydraulic oil when the system pressure is too high, prevent the system from being damaged by overpressure, and improve the safety of the system.

[0044] In a specific embodiment, the oil circuit valve block 120 further includes a third solenoid valve 129 , and the third solenoid valve 129 is disposed in the second oil return pipeline 153 .

[0045] It can be understood that when the first solenoid valve 123 and the third solenoid valve 129 are respectively provided in the first oil return line 152 and the second oil return line 153, in case of an emergency, the third solenoid valve 129 provided in the second oil return line 153 can be used to protect the actuator 130; and the first solenoid valve 123 provided in the first oil return line 152 can be used to protect the oil pump to be tested. Therefore, the provision of the third solenoid valve 129 can further enhance the control capability of the system.

[0046] See also Figure 2 , Figure 3 and Figure 4 , in a specific embodiment, the oil circuit valve block 120 includes a valve block body 126; The valve block body 126 is formed with the oil circuit inlet 121 and the first oil circuit outlet 122; the valve block body 126 is also formed with an oil return port 127 and a second oil circuit outlet 128; The oil pressure test platform 100 further includes a fourth oil return pipeline 155; The second solenoid valve 124, the oil inlet end of the relief valve 125, the oil discharge end of the relief valve 125 and the two first solenoid valves 123 are all disposed in the valve block body 126; The third oil return pipeline 154 is connected to the oil return port 127; the fourth oil return pipeline 155 is connected to the second oil circuit outlet 128; The oil discharge end of the relief valve 125 , the third oil return pipeline 154 , and the fourth oil return pipeline 155 form a three-way connection inside the valve block body 126 .

[0047] It should be explained that the oil circuit valve block 120 is a key component for controlling the flow of hydraulic oil in the hydraulic system, and the valve block body 126 is the core structure of the oil circuit valve block 120, which includes multiple oil circuit interfaces and internal channels. The oil circuit inlet 121 is the entrance for the hydraulic oil to enter the valve block, and the first oil circuit outlet 122 and the second oil circuit outlet 128 are respectively the outlets for the hydraulic oil to flow out of the valve block. The return oil port 127 is the interface for the hydraulic oil to return from the actuator 130 end to the hydraulic oil tank 110. The fourth return oil pipeline 155 is a pipeline for connecting the second oil circuit outlet 128 and the hydraulic oil tank 110, so that the hydraulic oil returns to the hydraulic oil tank 110. The first solenoid valve 123, the second solenoid valve 124 and the overflow valve 125 are all valves for controlling the flow of hydraulic oil. The three-way refers to a three-way channel formed inside the valve block, which is used to connect the oil discharge end of the overflow valve 125, the third return oil pipeline 154 and the fourth return oil pipeline 155.

[0048] The valve block body 126 is formed with an oil circuit inlet 121, a first oil circuit outlet 122, an oil return port 127 and a second oil circuit outlet 128, and these interfaces are connected through an internal channel. The oil inlet and oil discharge ends of the second solenoid valve 124, the relief valve 125 and the two first solenoid valves 123 are all installed on the valve block body 126, and can be fixed by threaded connection, flange connection, etc. The third oil return line 154 is connected to the oil return port 127, and the fourth oil return line 155 is connected to the second oil circuit outlet 128. The oil discharge end of the relief valve 125 is connected to the third oil return line 154 and the fourth oil return line 155 through a tee inside the valve block, ensuring that the hydraulic oil can be discharged through the relief valve 125 and returned to the hydraulic oil tank 110 when necessary.

[0049] It is understandable that in this embodiment, by integrating multiple oil circuit interfaces and valves on the valve block body 126 and setting a three-way channel inside, the structure of the entire oil pressure test platform 100 is more compact and integrated. Compared with a solution without such a design, this design can reduce the connection of external pipelines and improve the reliability and sealing of the system.

[0050] Specifically, an oil return filter is also disposed in the oil return joint 112 .

[0051] It is understood that the oil return connector 112 is an interface component connecting the hydraulic oil tank 110 and the fourth oil return pipeline 155. Its main function is to allow the hydraulic oil to flow back from the hydraulic system to the oil tank. The oil return filter is used to filter impurities in the return oil. The oil return filter is made of materials such as metal mesh and filter cloth, and its pore size can filter solid particles, dirt and impurities in the oil to prevent these impurities from entering the oil tank or affecting other components of the system.

[0052] Furthermore, a wave-breaking plate 170 is disposed in the hydraulic oil tank 110 ; the wave-breaking plate 170 is used to reduce the fluctuation of the hydraulic oil in the hydraulic oil tank 110 .

[0053] It is understood that the hydraulic oil tank 110 is a container for storing hydraulic oil. The wave-breaking plate 170 is a structure for slowing down the fluctuation of the hydraulic oil in the oil tank. The wave-breaking plate 170 is made of metal or other rigid materials and is installed inside the hydraulic oil tank 110. The function of the wave-breaking plate 170 is to reduce the fluctuation of the hydraulic oil in the oil tank caused by external vibration or the operation of the hydraulic system, and to maintain the stability of the hydraulic oil.

[0054] Therefore, by providing a wave-breaking plate 170 in the hydraulic oil tank 110, the stability and reliability of the oil pressure test platform 100 are further improved. Compared with the design without the wave-breaking plate 170, this design can significantly reduce the fluctuation of the hydraulic oil in the oil tank, and prevent the system pressure instability and measurement errors caused by oil fluctuations. The provision of the wave-breaking plate 170 helps to maintain the smooth flow of the hydraulic oil, avoid air mixing and oil unevenness caused by oil fluctuations, thereby improving the accuracy of the test and the working efficiency of the hydraulic system. By reducing the fluctuation of the hydraulic oil, the wave-breaking plate 170 can also extend the service life of the hydraulic system components and reduce maintenance requirements and costs.

[0055] Furthermore, a thermometer 180 is disposed on the outer surface of the hydraulic oil tank 110 , and the thermometer 180 is used to monitor the temperature of the hydraulic oil in the hydraulic oil tank 110 .

[0056] It is understood that the thermometer 180 is used to measure the temperature of the hydraulic oil. It is composed of a temperature sensor and a display device, and can monitor and display the temperature of the hydraulic oil in real time. The setting of the thermometer 180 helps to understand the working state of the hydraulic system, prevent the hydraulic oil from being overheated or overcooled, and thus maintain the stability and efficiency of the hydraulic system.

[0057] Optionally, in order to improve the durability of the thermometer 180, the thermometer 180 is preferably a liquid level temperature gauge.

[0058] It is understandable that the main function of the thermometer 180 is to monitor the temperature of the hydraulic oil in the hydraulic oil tank 110 in real time. Through the thermometer 180, the operator can timely understand the temperature change of the hydraulic oil and ensure that the hydraulic system operates within a suitable temperature range. If the temperature is too high, appropriate measures can be taken to adjust it to prevent the hydraulic system from malfunctioning or damaging the oil pump to be tested.

[0059] See also Figure 3 and Figure 4 On the basis of the above embodiment, the oil pressure test platform 100 further includes a platform base 190, the hydraulic oil tank 110 is fixed to the platform base 190, and the platform base 190 is respectively formed with an oil collecting tank 192 and a mounting platform 191; The mounting platform 191 is used to fix the oil pump to be tested; the oil collecting tank 192 is used to collect the hydraulic oil in the oil outlet pipeline 151 and the first oil return pipeline 152; The oil collecting tank 192 is also provided with an oil drain nozzle, and the oil drain nozzle is used to discharge the hydraulic oil in the oil collecting tank 192.

[0060] It is understandable that the platform base 190 is a basic structure for supporting and fixing the entire hydraulic test platform 100. The oil collecting tank 192 is a container for collecting the hydraulic oil flowing out of the oil outlet pipeline 151 and the first return oil pipeline 152 to prevent the hydraulic oil from leaking to the external environment. The mounting table 191 is a platform for fixing the servo oil pump control drive integrated machine to be tested to ensure the stability of the product during the test. The oil drain nozzle is a discharge port installed on the oil collecting tank 192, which is used to discharge the hydraulic oil in the oil collecting tank 192, so as to facilitate the recovery and treatment of the hydraulic oil.

[0061] Therefore, the above design can ensure the stable installation of the product to be tested, provide a reliable testing environment, and effectively collect and treat the hydraulic oil to avoid environmental pollution. The setting of the oil collecting tank 192 and the oil drain nozzle makes the recovery and treatment of the hydraulic oil more convenient, and improves the cleanliness and safety of the test process.

[0062] As described above, the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features thereof may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A hydraulic test platform, characterized in that: It includes a hydraulic oil tank, an oil valve block, an actuator, a pressure gauge, an oil outlet pipeline, a first oil return pipeline, a second oil return pipeline and a third oil return pipeline; The hydraulic oil tank is used to contain hydraulic oil, and the hydraulic oil tank has an oil return joint and an oil suction joint connected to the oil outlet pipeline; The oil circuit valve block is used to control the on-off of the oil circuit, and the oil circuit valve block has an oil circuit inlet and a first oil circuit outlet; The first oil return pipeline, the oil circuit inlet, the first oil circuit outlet, the second oil return pipeline, the actuator, the third oil return pipeline and the oil return joint are connected in sequence; Among them, the oil pump to be tested is connected between the oil outlet pipeline and the first oil return pipeline, and the pressure gauge is arranged on the second oil return pipeline; the oil pump to be tested works to allow high-pressure hydraulic oil to flow into the second oil return pipeline, thereby enabling the actuator to perform oil pressure action; when the oil pump to be tested stops working, the actuator can recover the hydraulic oil through the third oil return pipeline.

2. The oil pressure test platform according to claim 1, characterized in that: An oil suction port stop valve is arranged between the oil suction joint and the oil outlet pipeline, and the oil suction port stop valve is used to control the oil circuit flow rate and the oil circuit connection and disconnection of the oil suction joint.

3. The oil pressure test platform according to claim 2, characterized in that: The actuator is a cylinder.

4. The oil pressure test platform according to claim 3, characterized in that: The oil circuit valve block includes a first solenoid valve, a second solenoid valve and a relief valve; The first solenoid valve is arranged on the first oil return pipeline; The second solenoid valve is arranged on the third oil return pipeline; The oil inlet end of the overflow valve forms a three-way connection with the first oil return pipeline and the second oil return pipeline respectively; the oil discharge end of the overflow valve is connected to the third oil return pipeline and is located at the oil outlet side of the second solenoid valve.

5. The oil pressure test platform according to claim 4, characterized in that: The oil circuit valve block further includes a third solenoid valve, and the third solenoid valve is arranged in the second oil return pipeline.

6. The oil pressure test platform according to claim 5, characterized in that: The oil circuit valve block comprises a valve block body; The valve block body is formed with the oil circuit inlet and the first oil circuit outlet; the valve block body is also formed with an oil return port and a second oil circuit outlet; The oil pressure test platform also includes a fourth oil return pipeline; The second solenoid valve, the oil inlet end of the relief valve, the oil discharge end of the relief valve and the two first solenoid valves are all disposed on the valve block body; The third oil return pipeline is connected to the oil return port; the fourth oil return pipeline is connected to the second oil circuit outlet; The oil discharge end of the overflow valve, the third oil return pipeline, and the fourth oil return pipeline form a three-way connection inside the valve block body.

7. The oil pressure test platform according to claim 6, characterized in that: An oil return filter is also arranged in the oil return joint.

8. The oil pressure test platform according to claim 6, characterized in that: A wave-breaking plate is also provided in the hydraulic oil tank; The wave-breaking plate is used to reduce the fluctuation of the hydraulic oil in the hydraulic oil tank.

9. The oil pressure test platform according to claim 6, characterized in that: A thermometer is also provided on the outer surface of the hydraulic oil tank, and the thermometer is used to monitor the temperature of the hydraulic oil in the hydraulic oil tank.

10. The oil pressure test platform according to any one of claims 1 to 9, characterized in that: It also includes a platform base, the hydraulic oil tank is fixed to the platform base, and the platform base is respectively formed with an oil collecting tank and a mounting platform; The mounting platform is used to fix the oil pump to be tested; the oil collecting tank is used to collect the hydraulic oil in the oil outlet pipeline and the first oil return pipeline; The oil collecting tank is also provided with an oil drain nozzle, and the oil drain nozzle is used to discharge the hydraulic oil in the oil collecting tank.

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