Power unit suitable for high-pressure large-flow application

Abstract

The utility model relates to a power unit suitable for high-pressure large-flow application, which structurally comprises a diesel engine, a hydraulic oil tank and a driving pump, a driving output shaft of the diesel engine is connected with the driving pump, one end of the driving pump is connected with an oil outlet of the hydraulic oil tank, and the other end of the driving pump is externally connected with a high-pressure motor through a high-pressure driving pipeline. The high-pressure motor is connected with the hydraulic oil tank through an oil return pipeline, and the high-pressure driving pipeline and the oil return pipeline are provided with a pump valve system control valve set. By means of the structure, more efficient and stable power output can be achieved under the high-pressure large-flow application scene, and multiple technical challenges faced by a traditional power unit in the field are effectively solved. And a feasible and reliable power solution is provided for high-pressure large-flow application.

Description

Technical Field

[0001] The utility model relates to a power unit suitable for high-pressure and large-flow applications, belonging to the technical field of hydraulic systems. Background Art

[0002] In the existing technology, traditional power units have a series of technical limitations when facing high-pressure and high-flow applications, which may lead to problems such as low efficiency, high energy consumption, and inability to meet continuous high power output in actual applications. This involves hydraulic systems, thermal management, and precision control.

[0003] First, the design of the hydraulic system is particularly critical in high-pressure and high-flow applications. Ensuring that the system can produce stable high-pressure output and solve problems such as pressure relief and energy loss is essential to achieving high-efficiency hydraulic transmission. Existing technical systems cannot fully meet these requirements due to design limitations, which may lead to performance degradation and system instability.

[0004] Secondly, under high power output conditions, the power unit often faces a large heat load. The existing cooling system cannot effectively cope with it, which will cause the system to overheat, thus affecting the reliability and life of the system. An effective thermal management strategy is the key to ensuring that the system works stably under high load operation.

[0005] In high-pressure and high-flow applications, the precise control requirements for the control unit are more stringent. The control unit of the power unit needs to be able to monitor and adjust parameters such as engine speed, hydraulic oil pressure, fuel supply, etc. in real time to ensure that the system can operate stably under different working conditions. The existing control system has problems such as slow response speed and insufficient control accuracy, which limits the application performance of the power unit in high-pressure and high-flow scenarios.

[0006] Based on the above technical background, it is considered to overcome the limitations of traditional systems by improving hydraulic system design, thermal management technology and control unit to achieve more efficient and reliable power output in high-pressure and high-flow applications. Utility Model Content

[0007] The utility model proposes a power unit suitable for high-pressure and high-flow applications, which aims to overcome the above-mentioned deficiencies in the prior art and provide efficient and reliable power output in high-pressure and high-flow application scenarios.

[0008] The technical solution of the utility model is: a power unit suitable for high-pressure and large-flow applications, whose structure includes a diesel engine, a hydraulic oil tank and a drive pump, wherein the drive output shaft of the diesel engine is connected to the drive pump, one end of the drive pump is connected to the oil outlet of the hydraulic oil tank, and the other end is connected to a high-pressure motor through a high-pressure drive pipeline, the high-pressure motor is connected to the hydraulic oil tank through an oil return pipeline, and a pump-valve system control valve group is installed on the high-pressure drive pipeline and the oil return pipeline.

[0009] Preferably, the high-pressure motor is provided with a pressure relief port, which is connected to the hydraulic oil tank via a low-pressure oil unloading pipeline. When there is pressure relief oil in the high-pressure motor and the high pressure exceeds the motor's carrying capacity, the pressure relief port starts to work and transports the excess hydraulic oil back to the hydraulic oil tank via the low-pressure oil unloading pipeline to keep the system running stably.

[0010] Preferably, it includes a cooling fan and a cooling water tank, wherein the cooling fan is arranged on the side of the diesel engine, the cooling fan is equipped with a cooling water tank, the cooling water tank is connected to a fin with a water path, and the fin extends to the air inlet side of the cooling fan. The combination of air cooling and water cooling can maintain the thermal balance of the power unit system.

[0011] Preferably, it includes a control device, which is respectively connected to the diesel engine, the driving pump, the cooling fan, the cooling water tank and the pump-valve system control valve group by signals, and is provided with a power switch, a speed knob and a power output knob. It can display parameters such as speed, water temperature, hydraulic oil pressure, fuel quantity, etc., and can also control the speed of the diesel engine and realize the on-off of the pump-valve system control valve group.

[0012] The above structure can achieve more efficient and stable power output in high-pressure and high-flow applications, effectively solving many technical challenges faced by traditional power units in this field, and providing a feasible and reliable power solution for high-pressure and high-flow applications.

[0013] Advantages of the utility model: 1) It is suitable for high-pressure and high-flow application scenarios and can provide stable and efficient power output;

[0014] 2) The hydraulic system has been improved. Through the coordinated work of the diesel engine and the drive pump, high-pressure and high-flow power can be generated to ensure that the system has sufficient output capacity;

[0015] 3) Equipped with a pressure relief mechanism. The high-pressure motor is equipped with a pressure relief port. In the case of high-pressure overload, the excess hydraulic oil can be returned to the hydraulic oil tank through the low-pressure oil unloading pipeline to maintain the smooth operation of the system;

[0016] 4) The cooling system has been improved. The cooling fan and cooling water tank can effectively manage the heat of the power unit through the combination of air cooling and water cooling, maintaining the stability and reliability of the system at high power output;

[0017] 5) The control device with reasonable signal connection monitors and adjusts multiple parameters in real time, including engine speed, water temperature, hydraulic oil pressure, fuel quantity, etc. Comprehensive system control can be performed through the power switch, speed knob and power output knob. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1It is a structural schematic diagram of a power unit suitable for high-pressure and large-flow applications of the utility model.

[0019] Figure 2 yes Figure 1 A schematic diagram of an embodiment of a control device.

[0020] In the figure, 1 is the control device, 2 is the diesel engine, 21 is the drive output shaft, 3 is the hydraulic oil tank, 31 is the high-pressure drive pipeline, 32 is the return oil pipeline, 33 is the low-pressure oil unloading pipeline, 34 is the pump valve system control valve group, 4 is the drive pump, 5 is the cooling fan, and 6 is the cooling water tank. DETAILED DESCRIPTION

[0021] The present invention is further described in detail below in conjunction with embodiments and specific implementation methods.

[0022] like Figure 1 , 2 As shown, a power unit suitable for high-pressure and high-flow applications includes a control device 1, a diesel engine 2, a hydraulic oil tank 3, a drive pump 4 and a cooling fan 5.

[0023] The driving output shaft 21 of the diesel engine 2 is connected to the driving pump 4. When the diesel engine 2 is running, it drives the driving pump 4 to rotate at a constant speed to generate high-pressure and large-flow power.

[0024] One end of the driving pump 4 is connected to the oil outlet of the hydraulic oil tank 3, and the other end is connected to an external high-pressure motor (not shown) through a high-pressure driving pipe 31. The high-pressure motor is connected to the hydraulic oil tank 3 through an oil return pipe 32. The high-pressure and high-flow power generated by the driving pump 4 is transmitted to the high-pressure motor at the far end through the high-pressure driving pipe 31, and the high-pressure motor oil return port transmits the return oil back to the oil return pipe 32.

[0025] The high-pressure motor pressure relief port is connected to the hydraulic oil tank 3 through the low-pressure oil unloading pipeline 33. When there is pressure relief oil in the high-pressure motor, when the high pressure exceeds the motor's carrying capacity, the pressure relief port starts to work and transports the excess hydraulic oil back to the hydraulic oil tank through the low-pressure oil unloading pipeline 33, which can keep the system running stably.

[0026] A pump valve system control valve group 34 is installed on the high pressure drive pipeline 31 and the oil return pipeline 32 .

[0027] The cooling fan 5 is arranged on the side of the diesel engine 2, and a cooling water tank 6 is mounted on the cooling fan 5. The cooling water tank 6 is connected to fins with water channels, and the fins extend to the air inlet side of the cooling fan 5. To achieve thermal balance, the cooling fan 5 rotates at high speed to generate air cooling, and the fins of the cooling water tank 6 also contribute to the thermal balance of the system. The combination of air cooling and water cooling can maintain the thermal balance of the power unit system.

[0028] The control device 1 is connected to the diesel engine 2, the drive pump 4, the cooling fan 5, the cooling water tank 6 and the pump-valve system control valve group 34 by signals. The control device 1 is the master control device of the power unit, which can display parameters such as speed, water temperature, hydraulic oil pressure, fuel quantity, etc. It can also control the speed of the diesel engine 2 and realize the on-off of the pump-valve system control valve group 34. The control device 1 can be provided with a power switch: used to start and stop the system, a speed knob: used to adjust the output speed of the diesel engine 2, and a power output knob: to control the on-off of the pump-valve system control valve group 34, and realize the on-off of the hydraulic oil of the high-pressure drive pipeline 31.

[0029] According to the above structure, more efficient and stable power output can be achieved in high-pressure and high-flow application scenarios, effectively solving the multiple technical challenges faced by traditional power units in this field. It provides a feasible and reliable power solution for high-pressure and high-flow applications.

[0030] All the components mentioned above are prior art, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0031] The above is only a preferred embodiment of the present invention. It should be pointed out that a person skilled in the art can make several modifications and improvements without departing from the inventive concept of the present invention, and these modifications and improvements all fall within the protection scope of the present invention.

Claims

1. A power unit suitable for high pressure and high flow applications, characterized in that: The invention comprises a diesel engine (2), a hydraulic oil tank (3) and a driving pump (4), wherein a driving output shaft 21 of the diesel engine (2) is connected to the driving pump (4), one end of the driving pump (4) is connected to the oil outlet of the hydraulic oil tank (3), and the other end is connected to an external high-pressure motor via a high-pressure driving pipeline (31), the high-pressure motor is connected to the hydraulic oil tank (3) via an oil return pipeline (32), and a pump-valve system control valve group (34) is installed on the high-pressure driving pipeline (31) and the oil return pipeline (32).

2. A power unit suitable for high pressure and large flow applications as claimed in claim 1, characterized in that: The high-pressure motor is provided with a pressure relief port, which is connected to the hydraulic oil tank (3) via a low-pressure oil unloading pipeline (33).

3. A power unit suitable for high pressure and large flow applications as claimed in claim 1, characterized in that: The cooling fan (5) comprises a cooling fan (5) and a cooling water tank (6), wherein the cooling fan (5) is arranged on the side of the diesel engine (2), the cooling water tank (6) is mounted on the cooling fan (5), the cooling water tank (6) is connected to fins with water channels, and the fins extend to the air inlet side of the cooling fan (5).

4. A power unit suitable for high pressure and large flow applications as claimed in claim 1, characterized in that: The invention comprises a control device (1), wherein the control device (1) is signal-connected to a diesel engine (2), a driving pump (4), a cooling fan (5), a cooling water tank (6) and a pump-valve system control valve group (34), and the control device (1) is provided with a power switch, a speed knob and a power output knob.

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