CN111536095A - A Distributed Hydraulic Oil Source System Based on Modular Combination - Google Patents

Abstract

The invention relates to the technical field of hydraulic pump station equipment, in particular to a distributed hydraulic oil source system based on modular combination. The system comprises more than one modular hydraulic station, a high-pressure oil outlet pipe, a low-pressure oil return pipe, a high-pressure main oil supply pipe, a low-pressure main oil return pipe and a module connecting oil pipe; a plurality of modular hydraulic stations in the system are arranged according to the field environment, and adjacent modular hydraulic stations are connected with oil pipes in series through modules; the high-pressure oil source is converged into high-flow high-pressure oil for equipment to use in a high-pressure main oil supply pipe through a high-pressure oil outlet pipe, and the used high-flow low-pressure return oil is divided into a plurality of small return oils through a low-pressure main oil return pipe and flows back to each module hydraulic oil tank for cyclic utilization. When the combined hydraulic oil source is used, a plurality of modular hydraulic pump stations can be selected and used for combination according to factors such as the use flow and the field arrangement conditions, and the use requirements of hydraulic oil sources with different field conditions and different flows are met.

Description

A Distributed Hydraulic Oil Source System Based on Modular Combination

technical field

The invention relates to the technical field of hydraulic pump station equipment, in particular to a distributed hydraulic oil source system based on modular combination.

Background technique

The hydraulic oil source is composed of motor, hydraulic pump, oil tank, oil filter, control valve, etc. It is an important part of the hydraulic transmission and servo control system. Effectively control the pressure, oil temperature and pollution degree of the hydraulic system. Therefore, the hydraulic oil source has a wide range of applications in industrial production.

However, at present, each hydraulic oil source is designed according to the use requirements of the hydraulic system and the site conditions, and an integrated design and manufacturing scheme of a centralized oil supply tank and a combination of multiple hydraulic pump and motor units is adopted. In this way, each hydraulic pump station is designed and manufactured according to the actual needs, resulting in problems such as poor universality of the hydraulic pump station and long design and manufacturing cycle.

SUMMARY OF THE INVENTION

In order to solve the technical problems existing in the known technology, the present invention provides a distributed hydraulic oil source system based on modular combination with good versatility and flexibility. A modular hydraulic pump station is combined to meet the requirements for the use of hydraulic oil sources with different site conditions and different flow rates. Based on the design of the modular hydraulic pump station, the versatility and flexibility of the use of the hydraulic station are greatly increased, and the cycle and cost of the design and manufacture of the pump station are reduced.

In order to achieve the above object, the present invention adopts the following technical solutions:

A distributed hydraulic oil source system based on modular combination, the system includes more than one modular hydraulic station, high pressure oil outlet pipe, low pressure oil return pipe, high pressure main oil supply pipe, low pressure main oil return pipe and module connecting oil pipe; The multiple modular hydraulic stations are arranged according to the on-site environment, and the adjacent modular hydraulic stations are connected in series through the module connection oil pipes; After use, the large flow and low pressure return oil is divided into multiple small return oil through the low pressure main oil return pipe and returned to the hydraulic oil tank of each module for recycling.

Further, each of the modular hydraulic stations mainly includes a chassis, and a hydraulic oil tank and a hydraulic motor are placed side by side on the chassis; the hydraulic oil tank is provided with an oil outlet, a pressure oil supply port and an oil return port; the oil outlet and The oil inlet butterfly valve, hydraulic pump, pipeline filter and pressure regulating valve group are sequentially connected between the pressure oil supply ports. The hydraulic pump is connected with the hydraulic motor, and the hydraulic oil in the hydraulic oil tank passes through the oil suction port. The butterfly valve flows into the hydraulic pump, the hydraulic motor drives the hydraulic pump to pressurize the hydraulic oil into high-pressure oil, and the high-pressure oil enters the pressure regulating valve group after being filtered by the pipeline filter; The port is used as the pressure oil supply port, the overflow port and the pipeline where the oil return port is located are confluent and connected to one end of the radiator II, and the other end of the radiator II is connected to the oil return filter.

Further, the hydraulic oil tank is provided with a connecting oil port, a plurality of modular hydraulic stations are arranged according to the on-site environment, and the connecting oil ports of each modular hydraulic station are connected in series through the modular connecting oil pipes of adjacent modular hydraulic stations.

Further, one end of the high-pressure oil outlet pipe of each modular hydraulic station is connected to the pressure oil supply port, and the other end is connected to the high-pressure main oil supply pipe; one end of each low-pressure oil return pipe is connected to the oil return port, and the other end is connected to the oil return port. communicated with the low-pressure main oil return pipe.

Further, the system also includes a circulating oil pipe, a circulating motor, a circulating hydraulic pump, a radiator I and an auxiliary oil return port; one end of the circulating hydraulic pump is connected with a circulating motor, and the other end is connected with a radiator I, and the radiator I passes through the circulation. The oil pipe is connected to the auxiliary oil return port on the upper part of the other hydraulic oil tank.

Further, the upper part of the hydraulic oil tank is also designed with an air filter and/or a temperature sensor.

Further, each modular hydraulic station is designed with an independent electrical control cabinet, and the entire system is equipped with a general electronic control device to centrally control and manage the electrical control cabinets of all hydraulic stations.

The advantages and positive effects that the present invention has are:

1. The present invention discloses a distributed hydraulic oil source system based on modular combination. The system is composed of at least one or more modular hydraulic stations according to the on-site environment. Each modular hydraulic station has its own independent The necessary control valve groups such as hydraulic oil tank, hydraulic pump, hydraulic motor, radiator and pressure regulating valve group; the whole system confluences the high-pressure oil source of each hydraulic station in the high-pressure main oil supply pipe into a large flow of high-pressure oil for equipment use, After use, the large flow and low pressure return oil is divided into several small return oil through the low pressure main oil return pipe and returned to the hydraulic oil tank of each module for recycling. .

2. Each hydraulic station can be designed into a series of standardized hydraulic pump stations. The difficulty of design, processing and manufacturing is low, and the manufacturing cost and design and manufacturing cycle are greatly reduced.

3. Easy maintenance, good versatility and flexible expansion; each pumping station has simple functions and is relatively independent, with few spare parts models for maintenance, convenient and quick fault inspection, and module expansion can be easily carried out according to the use situation.

4. The site has good adaptability, and the relative position of each module can be flexibly adjusted according to site conditions to meet various site conditions.

Description of drawings:

1 is a top view of a distributed hydraulic oil source system in the present invention;

Fig. 2 is the front view of the modular hydraulic station in the present invention;

FIG. 3 is a plan view of FIG. 2 .

Among them: 1, hydraulic station; 1-1, chassis; 1-2, hydraulic oil tank; 1-3, motor support; 1-4, hydraulic motor; 1-5, pressure oil supply port; 1-6, oil return Port; 1-7, connecting oil port; 1-8, auxiliary oil return port; 1-9, radiator II; 1-10, butterfly valve of oil suction port; 1-11, hydraulic pump; 1-12, pipeline filter ;1-13, pressure regulating valve group, 1-14, air filter; 1-15, temperature sensor; 1-16, electrical control cabinet; 1-17, oil return filter; 2, module connection oil pipe I; 3. Module connection oil pipe II; 4. High-pressure oil outlet pipe; 5. Low-pressure oil return pipe; 6. High-pressure main oil supply pipe; 7. Low-pressure main oil-return pipe; 8. Circulating oil pipe; 9. Circulating motor; 10. Circulating hydraulic pump; 11. Radiator I.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention; rather than all the embodiments. Based on the embodiments of the present invention; all other embodiments obtained by those of ordinary skill in the art without creative work; all belong to the protection scope of the present invention.

As shown in Figures 1-3, the present invention provides a distributed hydraulic oil source system based on modular combination, the system includes more than one modular hydraulic station 1, a high-pressure oil outlet pipe 4, a low-pressure oil return pipe 5, and a high-pressure main supply Oil pipe 6, low pressure main oil return pipe 7, circulating oil pipe 8, circulating motor 9, circulating hydraulic pump 10 and radiator I11. Each modular hydraulic station 1 mainly includes a chassis 1-1 on which a hydraulic oil tank 1-2, a motor support 1-3 and a corresponding hydraulic motor 1-4 are placed side by side; the hydraulic oil tank 1-2 There are oil outlet, pressure oil supply port 1-5, oil return port 1-6, connecting oil port 1-7 and auxiliary oil return port 1-8; the oil outlet and pressure oil supply port 1-5 are provided The oil suction port butterfly valve 1-10, the hydraulic pump 1-11, the pipeline filter 1-12 and the pressure regulating valve group 1-13 are connected in sequence, and the hydraulic pump 1-11 is connected with the hydraulic motor 1-4; Therefore, the hydraulic oil in the hydraulic oil tank 1-2 flows into the hydraulic pump 1-11 through the oil suction butterfly valve 1-10, and the hydraulic motor 1-4 drives the hydraulic pump 1-11 to pressurize the hydraulic oil into high-pressure oil. After the oil is filtered by the pipeline filter 1-12, it enters the pressure regulating valve group 1-13. After the pressure adjustment of the high pressure oil in the pressure regulating valve group 1-13, the pressure oil supply port 1-5 supplies oil to the system; the pressure regulating valve Group 1-13 includes high-pressure port and overflow port, of which the high-pressure port is used as the pressure oil supply port, the overflow port and the pipeline where the oil return port 1-6 is located are confluent and connected to one end of the radiator II1-9, and the radiator II1 The other end of -9 is connected to the oil return filter, so that the overflowed hydraulic oil merges with the low pressure oil flowing back from the oil return port 1-6 and flows through the radiator II 1-9 and the oil return filter 1-17 and then passes through The overflow port flows back to hydraulic tank 1-2.

The upper part of the hydraulic oil tank 1-2 is also designed with an auxiliary oil return port 1-8, an air filter 1-14, and a temperature sensor 1-15. Each modular hydraulic station 1 is designed with an independent electrical control cabinet 1-16, the electrical control cabinet 1-16 can independently complete the control of the motor, hydraulic oil temperature, pressure regulating valve group 1-13, hydraulic oil pressure, hydraulic pressure Detection and control of control valve groups such as oil tank 1-2 liquid level, oil suction butterfly valve 1-10, etc. Manage and control the main electronic control device by means of communication.

The multiple modular hydraulic stations 1 in the system are arranged according to the on-site environment. According to the arrangement distance, the adjacent modular hydraulic stations 1 connect each modular hydraulic station through a short modular connecting oil pipe I2 or a long modular connecting oil pipe II3. The connecting oil ports 1-7 of 1 are connected in series to ensure that the hydraulic oil tanks 1-2 of each modular hydraulic station 1 have the same height. One end of the high-pressure oil outlet pipe 4 of each modular hydraulic station 1 is connected to the pressure oil supply ports 1-5, and the other end is connected to the high-pressure main oil supply pipe 6; one end of each low-pressure oil return pipe 5 is connected to the oil return pipe Ports 1-6 are connected, and the other end is communicated with the low-pressure main oil return pipe 7, so that the high-pressure oil sources on the multiple hydraulic stations 1 can be merged on the high-pressure main oil supply pipe 6 to form a large flow of high-pressure oil for equipment use, After use, the large flow and low pressure return oil is divided into multiple small return oil through the low pressure main oil return pipe 7 and returned to the hydraulic oil tank 1-2 of each module for recycling. In addition, one end of the circulating hydraulic pump 10 is connected with the circulating motor 9, and the other end is connected with the radiator I11. The radiator I is connected with the auxiliary oil return port 1-8 on the upper part of the other hydraulic oil tank 1-2 through the circulating oil pipe, so as to The circulating motor 9 drives the circulating hydraulic pump 10 to output the hydraulic oil in a certain hydraulic oil tank 1-2 to the radiator I11, and then flows into another hydraulic station after being dissipated by the radiator I11, which is helpful for the entire distributed hydraulic oil source. The circulation of the hydraulic oil in the system and the uniformity of the oil temperature.

The embodiments of the present invention have been described in detail above, but the content described above is only a preferred embodiment of the present invention, and cannot be considered as limiting the scope of implementation of the present invention. All equivalent changes and improvements made according to the scope of the application of the present invention should still fall within the scope of the patent of the present invention.

Claims (7)

1. The utility model provides a distributed hydraulic pressure oil source system based on modularization combination which characterized in that: the system comprises more than one modular hydraulic station, a high-pressure oil outlet pipe, a low-pressure oil return pipe, a high-pressure main oil supply pipe, a low-pressure main oil return pipe and a module connecting oil pipe; a plurality of modular hydraulic stations in the system are arranged according to the field environment, and adjacent modular hydraulic stations are connected with oil pipes in series through modules; the high-pressure oil source is converged into high-flow high-pressure oil for equipment to use in a high-pressure main oil supply pipe through a high-pressure oil outlet pipe, and the used high-flow low-pressure return oil is divided into a plurality of small return oils through a low-pressure main oil return pipe and flows back to each module hydraulic oil tank for cyclic utilization.

2. The distributed hydraulic oil supply system of claim 1, wherein: each modular hydraulic station mainly comprises a chassis, and a hydraulic oil tank and a hydraulic motor are arranged on the chassis side by side; the hydraulic oil tank is provided with an oil outlet, a pressure oil supply port and an oil return port; an oil suction port butterfly valve, a hydraulic pump, a pipeline filter and a pressure regulating valve group are sequentially connected between the oil outlet and the pressure oil supply port, the hydraulic pump is connected with the hydraulic motor, hydraulic oil in the hydraulic oil tank flows into the hydraulic pump through the oil suction port butterfly valve, the hydraulic motor drives the hydraulic pump to pressurize the hydraulic oil into high-pressure oil, and the high-pressure oil enters the pressure regulating valve group after being filtered by the pipeline filter; the pressure regulating valve group comprises a high-pressure port and an overflow port, wherein the high-pressure port serves as a pressure oil supply port, the overflow port is connected with one end of the radiator II after being converged with a pipeline where the oil return port is located, and the other end of the radiator II is communicated with the oil return filter.

3. The distributed hydraulic oil supply system of claim 2, wherein: the hydraulic oil tank is provided with a communicating oil port, the plurality of modular hydraulic stations are arranged according to the field environment, and the adjacent modular hydraulic stations are connected with the communicating oil port of each modular hydraulic station in series through a module connecting oil pipe according to the arrangement distance.

4. The distributed hydraulic oil supply system of claim 3, wherein: one end of a high-pressure oil outlet pipe of each modular hydraulic station is connected with the pressure oil supply port, and the other end of the high-pressure oil outlet pipe is communicated with the high-pressure main oil supply pipe; one end of each low-pressure oil return pipe is connected with the oil return port, and the other end of each low-pressure oil return pipe is communicated with the low-pressure main oil return pipe.

5. The distributed hydraulic oil supply system of claim 3, wherein: the system also comprises a circulating oil pipe, a circulating motor, a circulating hydraulic pump, a radiator I and an auxiliary oil return port; one end of the circulating hydraulic pump is connected with a circulating motor, the other end of the circulating hydraulic pump is connected with a radiator I, and the radiator I is connected with an auxiliary oil return port in the upper portion of another hydraulic oil tank through a circulating oil pipe.

6. The distributed hydraulic oil supply system of claim 2, wherein: an air filter and/or a temperature sensor are/is further designed at the upper part of the hydraulic oil tank.

7. The distributed hydraulic oil source system according to any one of claims 1 to 6, wherein: each modular hydraulic station is provided with an independent electric control cabinet, and the whole system is provided with a total electric control device for controlling all the electric control cabinets in a centralized manner.

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