Multi-motor oil-immersed hydraulic pump station

Abstract

The utility model discloses a multi-motor oil-immersed hydraulic pump station which comprises a cabinet body, an oil tank, a hydraulic pump, an oil pressure control assembly, a manual power mechanism and an electric control assembly are installed in the cabinet body, oil-immersed motors are arranged in the oil tank, the motors are arranged in a redundant mode, and the motors are connected with the hydraulic pump. The suction end of the hydraulic pump communicates with the oil tank, the hydraulic pump is connected with the control assembly through the connecting pipe fitting, the manual power mechanism is connected with the connecting pipeline, the control assembly is used for being connected with the hydraulic executing mechanism, and the motor drives the hydraulic pump to rotate by starting the motor. The hydraulic pump can suck oil in the oil tank and convert the oil into oil pressure, the oil pressure flows into the control assembly through the connecting pipe fitting, the control assembly adjusts the oil pressure and conveys the oil pressure to the hydraulic execution unit, and the electric control assembly is connected with the hydraulic pump and the oil pressure control assembly so as to control the hydraulic pump and the oil pressure control assembly. The durability and the service life of the hydraulic pump station can be improved by arranging a plurality of oil-immersed motors.

Description

TECHNICAL FIELD

[0001] The utility model relates to hydraulic equipment technical field, concretely relates to a multi motor oil immersed hydraulic pump station. BACKGROUND

[0002] The hydraulic station is a hydraulic source device or a hydraulic device including control valves, which is composed of a hydraulic pump, a driving motor, a standby driving motor, an oil tank, a check valve, an overflow valve, etc., and is often used for gate opening and closing work in offshore areas, but the existing hydraulic pump station is exposed to the outside when used in open-air places, and no protection structure is arranged, sea wind carries a large amount of chloride, sulfate compounds, and contains a large amount of water vapor, which affects the service life of the pump station under the erosion of sea wind.

[0003] Therefore, how to effectively improve the working stability, durability and service life of the hydraulic pump station under extreme harsh conditions is an urgent problem to be solved by those skilled in the art. SUMMARY

[0004] In view of the above technical problems existing in the prior art, the utility model aims to provide a multi motor oil immersed hydraulic pump station, which can greatly improve the durability and service life of the hydraulic pump station by arranging multiple oil immersed motors.

[0005] In order to achieve the above purpose, the multi motor oil immersed hydraulic pump station provided by the utility model comprises a cabinet body, an oil tank, a hydraulic pump, an oil pressure control assembly, a manual power mechanism and an electrical control assembly are arranged in the cabinet body, an oil immersed motor is arranged in the oil tank, the motors are redundantly arranged, the motors are connected with the hydraulic pump, the suction end of the hydraulic pump is communicated with the oil tank, and the hydraulic pump is connected with the control assembly through a connecting pipe, the manual power mechanism is respectively communicated and connected with the connecting pipeline and the inside of the oil tank, the control assembly is used for being connected with a hydraulic actuating mechanism, the motor is started to drive the hydraulic pump to rotate, the hydraulic pump can suck the oil in the oil tank and convert it into oil pressure to flow into the control assembly through the connecting pipe, the control assembly adjusts and delivers the oil pressure to a hydraulic actuating unit, and the electrical control assembly is connected with the hydraulic pump and the oil pressure control assembly to control the hydraulic pump and the oil pressure control assembly.

[0006] Further, the cabinet body has a mounting cavity inside, the mounting cavity can accommodate the oil tank, the hydraulic pump, the oil pressure control assembly, the manual power mechanism and the electrical control assembly, and a protection door is arranged on the surface of the cabinet body.

[0007] Further, the oil tank comprises a tank body and an end cover arranged on the top of the tank body, an air filter is arranged on the end cover and communicated with the inside of the tank body, the air filter is an oil filling port of the tank body, and a liquid level meter is further arranged on the tank body.

[0008] Further, the bottom of the box is provided with an oil drain port, and a ball valve is arranged on the oil drain port.

[0009] Further, the end cover is further provided with an oil return filter, the oil return filter is communicated with the oil tank, the oil return filter is communicated with the oil return port of the oil pressure control assembly through a cooler group, the cooler group is used for cooling the hydraulic oil in the oil return pipeline, and the cooled hydraulic oil is filtered back into the oil tank through the oil return filter.

[0010] Further, the hydraulic pump is a plunger pump, and the hydraulic pump is arranged on the end cover of the oil tank and connected with the electrical control assembly and the motor respectively, and the pump shaft of the plunger pump penetrates through the end cover to the inside of the oil tank.

[0011] Further, the oil pressure control assembly comprises a valve body, an overflow valve, an electromagnetic reversing valve, a check valve and an accumulator.

[0012] The accumulator is connected with the outlet of the hydraulic pump through a connecting pipeline, and the check valve is arranged on the connecting pipeline between the accumulator and the hydraulic pump to open and close the pipeline.

[0013] The overflow valve and the electromagnetic reversing valve are inserted into the valve body, the inlet of the electromagnetic reversing valve is communicated with the connecting pipeline, the outlet of the electromagnetic reversing valve is communicated with an execution hydraulic mechanism, the overflow valve and the electromagnetic reversing valve are arranged in parallel, and the overflow valve is communicated with the oil tank and the connecting pipeline inside through pipelines.

[0014] First and second pressure sensors are arranged on the inlet and outlet of the electromagnetic reversing valve respectively, and are used for monitoring the pressure of the inlet and outlet of the electromagnetic reversing valve.

[0015] Further, the manual power mechanism is a hand pump.

[0016] Further, the hydraulic pump station further comprises a sensor assembly, the sensor assembly comprises a liquid level sensor and a temperature sensor, the liquid level sensor and the temperature sensor are arranged in the box body of the oil tank and connected with the electrical control assembly respectively, and can send the temperature and the liquid level of the medium in the box body to the electrical control assembly.

[0017] Further, the hydraulic pump station further comprises an alarm device, the alarm device is installed on the top of the cabinet body, and the alarm device is connected with the electrical control assembly.

[0018] The multi-motor oil-immersed hydraulic pump station can greatly improve the durability and service life of the hydraulic pump station.

[0019] The oil pressure control assembly is used for adjusting the oil pressure, and the precision of the oil pressure can be greatly improved.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0020] The utility model is further illustrated below in combination with the drawings and specific embodiments.

[0021] Figure 1 The overall structural schematic diagram of the multi-motor oil-immersed hydraulic pump station provided by the utility model is shown in the figure.

[0022] Figure 2 The Figure 1 The sectional view in the A-A direction.

[0023] Figure 3 The structural schematic diagram of the oil tank in the multi-motor oil-immersed hydraulic pump station provided by the utility model is shown in the figure.

[0024] Figure 4 The structural schematic diagram of the oil pressure control assembly in the multi-motor oil-immersed hydraulic pump station provided by the utility model is shown in the figure.

[0025] Figure 5 The hydraulic principle diagram of the multi-motor oil-immersed hydraulic pump station provided by the utility model is shown in the figure.

[0026] Illustration:

[0027] Cabinet body 100, oil tank 200, hydraulic pump 300, oil pressure control assembly 400, manual power mechanism 500, electrical control assembly 600, motor 700, alarm assembly 1000.

[0028] Protective door 110, tank body 210, end cover 220, air filter 230, liquid level meter 240, oil discharge ball valve 250, waste oil tank 260, oil return filter 270, cooler group 280, valve body 410, overflow valve 420, electromagnetic reversing valve 430, check valve 440, energy accumulator 450, first pressure sensor 460, second pressure sensor 470, liquid level sensor 810, temperature sensor 820. DETAILED DESCRIPTION

[0029] In order to make the technical means, creative features, purposes and effects realized by the utility model easy to understand, the utility model is further described below in combination with specific illustrations.

[0030] Referring to Figures 1-5 The structural schematic diagram of the multi-motor oil-immersed hydraulic pump station provided by the utility model is shown in the figure.

[0031] As shown in the illustration, the multi-motor oil-immersed hydraulic pump station provided by the utility model comprises six components, namely cabinet body 100, oil tank 200, hydraulic pump 300, oil pressure control assembly 400, manual power mechanism 500 and electrical control assembly 600.

[0032] The cabinet 100 is a structural main body of the hydraulic pump station provided by the utility model, and is used for bearing other components.

[0033] Further, the oil tank 200 is provided with an oil-immersed motor 700.

[0034] In the example, the motor 700 adopts a double-motor structure, and two paths work together.

[0035] The motor is connected with the hydraulic pump 300, the suction end of the hydraulic pump 300 is communicated with the oil tank 200, and the hydraulic pump 300 is connected with the oil pressure control assembly 400 through a connecting pipe, and the oil pressure control assembly 400 is used for being connected with a hydraulic actuator.

[0036] The manual power mechanism 500 is connected with the inside of the oil tank 200 and a connecting pipeline respectively.

[0037] By starting the motor 700, the motor 700 drives the hydraulic pump 300 to rotate.

[0038] The electric control assembly 600 is connected with the hydraulic pump 300 and the oil pressure control assembly 400, and can control the hydraulic pump 300 and the oil pressure control assembly 400.

[0039] Specifically, the cabinet 100 has a mounting cavity inside, the mounting cavity can contain the oil tank 200, the hydraulic pump 300, the oil pressure control assembly 400, the manual power mechanism 500 and the electric control assembly 600, and a protection door 110 is arranged on the surface of the cabinet 100.

[0040] As shown in FIG. 1, the utility model discloses a hydraulic pump station. Figure 3, the oil tank 200 is preferably fixed in the cavity of the cabinet 100 by bolts, the oil tank 200 comprises a tank body 210 and an end cover 220 arranged on the top of the tank body 210, the end cover 220 is provided with an air filter 230, the air filter 230 is in communication with the inside of the tank body 210, and the air filter 230 is an oil filling port of the tank body 210;

[0041] When the oil level in the oil tank rises or falls, air is discharged from the inside to the outside through the air filter 230 when the oil level rises, and air is sucked from the outside to the inside through the air filter 230 when the oil level falls, so as to purify the oil in the oil tank 200; in addition, the air filter 230 is also an oil filling port, and the new working oil injected into the oil tank must be filtered before entering the oil tank, so that the dirt particles in the oil are filtered out.

[0042] The main functions of the air filter 230 include the following aspects:

[0043] (1) Preventing particulate contamination from entering the system: the air filter 230 can prevent particulate contamination from entering the system through the oil tank breathing port, and prevent particulate contamination from being mixed during oil filling. This helps to keep the oil in the oil tank clean and prevent dirt particles from entering the oil tank from the outside.

[0044] (2) Extending the service life of the oil and components: by filtering the air sucked in and the new working oil injected, the air filter 230 can filter out the dirt particles in the oil, thereby extending the working period and service life of the oil and components, which helps to ensure the normal operation of the hydraulic system.

[0045] (3) Maintaining the pressure balance in the oil tank: the air filter 230 can maintain the pressure balance between the oil tank and the atmospheric pressure, avoid the cavitation phenomenon of the pump, and ensure the stable operation of the hydraulic system.

[0046] (4) In addition, the air filter is also an oil filling port, and the new working oil injected into the oil tank must be filtered before entering the oil tank to filter out the dirt particles in the oil.

[0047] The tank body 210 is also provided with a liquid level gauge 240, and the oil quantity in the tank body 210 can be simply and conveniently obtained by checking the liquid level gauge 240 from the outside.

[0048] In order to further improve the reliability of the hydraulic pump station, a drain port is arranged at the bottom of the tank body 210, a drain ball valve 250 is arranged on the drain port, an input end of the drain ball valve 250 is in communication with the drain port, and a waste oil tank 260 is connected to an output end of the drain ball valve 250, so that when maintenance is performed, the medium in the tank body 210 can flow into the waste oil tank 260 by opening the drain ball valve 250, and the medium in the tank body 210 is removed.

[0049] The end cover 220 is further provided with an oil return filter 270, which is in communication with the oil tank 200, and the oil return filter 270 is in communication with an oil return port of the oil pressure control assembly 400 through a cooler set 280, and the cooler set 280 is used for cooling the hydraulic oil in the oil return pipeline, and the cooled hydraulic oil is filtered back into the oil tank 200 through the oil return filter 270, so that the cleanliness of the hydraulic oil can be maintained to prevent various faults and ensure the stability and reliability of the system.

[0050] The oil tank 200 with such a structure cooperates with a motor 700, the motor 700 is an oil-immersed motor, and the motor 700 is arranged inside the tank body 210, so that the pump station can effectively work under extreme and harsh working conditions, the built-in closed structure of the motor reduces the influence of the harsh environment on the hydraulic pump station, and better working efficiency is achieved, and the motor 700 is installed with a damping pad, the motor 700 is fixed to the tank body 210 through the damping pad, and is connected to the hydraulic pump 300 through a shaft coupling in the bell-shaped cover.

[0051] The cable of the motor is preferably threaded through the end cover 220 and connected to the electrical control assembly 600, and the electrical control assembly 600 can be used to control the start and stop of the motor 700.

[0052] The hydraulic pump 200 is a plunger pump, and the hydraulic pump 300 is arranged on the end cover 210 of the oil tank 200 and connected to the electrical control assembly 600 and the motor 700, respectively, and the pump shaft of the plunger pump penetrates through the end cover 220 to the inside of the oil tank 200.

[0053] The oil pressure control assembly 400 includes a valve body 410, an overflow valve 420, an electromagnetic reversing valve 430, a one-way valve 440, and an accumulator 450.

[0054] The accumulator 450 is connected to the outlet of the hydraulic pump 300 through a connecting pipeline, and the one-way valve 440 is arranged on the connecting pipeline between the accumulator 450 and the hydraulic pump 300 to open and close the pipeline.

[0055] The overflow valve 420 and the electromagnetic reversing valve 430 are inserted into the valve body 410, the inlet of the electromagnetic reversing valve 430 is in communication with the connecting pipeline, the outlet of the electromagnetic reversing valve 430 is in communication with an execution hydraulic mechanism, the overflow valve 420 and the electromagnetic reversing valve 430 are arranged in parallel, and the overflow valve 420 is in communication with the oil tank 200 and the connecting pipeline inside through pipelines;

[0056] Further, the inlet and the outlet of the electromagnetic reversing valve 430 are respectively provided with a first pressure sensor 460 and a second pressure sensor 470 for monitoring the pressure of the inlet and the outlet of the electromagnetic reversing valve 430.

[0057] In order to further improve the reliability of the hydraulic pump station, the pump station further comprises a sensor assembly, the sensor assembly comprises a liquid level sensor 810 and a temperature sensor 820, the liquid level sensor 810 and the temperature sensor 820 are arranged in the tank body 210 of the oil tank 200, and are connected with the electrical control assembly 600 respectively, and can send the temperature and the liquid level of the medium in the tank body 210 to the electrical control assembly 600.

[0058] The scheme further comprises an alarm device 1000, the alarm device 1000 is installed on the top of the cabinet body 100, the alarm device 1000 is connected with the electrical control assembly 600, when the data information received by the electrical control assembly 600 is lower than the threshold value or problems occur in each component, the electrical control assembly 600 can control the alarm device 1000 to emit strong light and a buzzing sound, so as to remind the staff to find and handle in time.

[0059] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by the skilled in the art that the utility model is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-motor oil-immersed hydraulic pump station, characterized in that: It includes a cabinet body, in which an oil tank, a hydraulic pump, an oil pressure control component, a manual power mechanism, and an electrical control component are installed. An oil-immersed motor is provided in the oil tank, and the motor is redundantly provided. The motor is connected to the hydraulic pump, and the suction end of the hydraulic pump is connected to the oil tank and the hydraulic pump is connected to the control component through a connecting pipe. The manual power mechanism is respectively connected to the connecting pipe and the inside of the oil tank. The control component is used to connect to the hydraulic actuator. By starting the motor, the motor drives the hydraulic pump to rotate. The hydraulic pump can suck the oil in the oil tank and convert it into oil pressure, which flows into the control component through the connecting pipe. The control component adjusts the oil pressure and delivers it to the hydraulic actuator unit. The electrical control component is connected to the hydraulic pump and the oil pressure control component to control the hydraulic pump and the oil pressure control component.

2. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The cabinet body has an interior with an accommodating cavity, which can accommodate an oil tank, a hydraulic pump, an oil pressure control component, a manual power mechanism, and an electrical control component. The cabinet body surface is provided with a protective door.

3. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The oil tank includes a box body and an end cover arranged on the top of the box body. The end cover is provided with an air filter, which is connected to the inside of the box body. The air filter is the oil filling port of the box body. The box body is also provided with a liquid level gauge.

4. The multi-motor oil-immersed hydraulic pump station according to claim 3, characterized in that: An oil drain port is provided at the bottom of the box body, an oil unloading ball valve is provided on the oil drain port, an input end of the oil unloading ball valve is communicated with the oil drain port, and an output end is connected to a waste oil tank.

5. The multi-motor oil-immersed hydraulic pump station according to claim 3, characterized in that: The end cover is also provided with an oil return filter, which is connected to the oil tank. The oil return filter is connected to the oil return port of the oil pressure control component through a cooler group. The cooler group is used to cool the hydraulic oil in the oil return line. The cooled hydraulic oil is filtered through the oil return filter and returned to the oil tank.

6. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The hydraulic pump is a plunger pump, which is arranged on the end cover of the oil tank and is connected to the electrical control component and the motor respectively. The pump shaft of the plunger pump passes through the end cover to the inside of the oil tank.

7. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The oil pressure control assembly includes a valve body, a relief valve, a solenoid reversing valve, a check valve, and an accumulator; The accumulator is connected to the outlet of the hydraulic pump through a connecting pipeline, and a one-way valve is provided on the connecting pipeline between the accumulator and the hydraulic pump to open and close the pipeline; The relief valve and the electromagnetic reversing valve are inserted into the valve body, the inlet of the electromagnetic reversing valve is connected to the connecting pipeline, and the outlet of the electromagnetic reversing valve is connected to the actuator hydraulic mechanism. The relief valve and the electromagnetic reversing valve are arranged in parallel, and the relief valve is connected to the oil tank and the inside of the connecting pipeline through pipelines respectively; A first pressure sensor and a second pressure sensor are respectively provided on the inlet and outlet of the electromagnetic reversing valve to monitor the pressure of the inlet and outlet of the electromagnetic reversing valve.

8. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The manual power mechanism is a manual pump.

9. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The hydraulic pump station also includes a sensor assembly, which includes a liquid level sensor and a temperature sensor. The liquid level sensor and the temperature sensor are both arranged in the oil tank body and are respectively connected to the electrical control assembly, and can send the temperature of the medium in the tank body and the liquid level of the medium to the electrical control assembly.

10. The multi-motor oil-immersed hydraulic pump station according to claim 1, characterized in that: The hydraulic pump station further comprises an alarm device, which is mounted on the top of the cabinet and is connected to the electrical control assembly.

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