CN217421674U - Electro-hydraulic actuator system with water cooling device - Google Patents

Electro-hydraulic actuator system with water cooling device Download PDF

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Publication number
CN217421674U
CN217421674U CN202220719626.8U CN202220719626U CN217421674U CN 217421674 U CN217421674 U CN 217421674U CN 202220719626 U CN202220719626 U CN 202220719626U CN 217421674 U CN217421674 U CN 217421674U
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water cooling
cooling device
bidirectional
electro
cavity
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CN202220719626.8U
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Chinese (zh)
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霍志亮
徐赟
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Suzhou Cypag Hydraulic Technology Co ltd
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Suzhou Cypag Hydraulic Technology Co ltd
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Abstract

The utility model provides a take water cooling plant's electricity liquid executor system, include: the actuator control loop is provided with a bidirectional actuator and a bidirectional hydraulic pump, the water cooling device loop is provided with a cooler, a cooling liquid pool and a cooling pump, and the cooler is connected in the actuator control loop in series; the utility model discloses well mould constantly flows in the cooler through the inside coolant that the cooling pump drove the cooling tank, and hydraulic oil in the executor control circuit is when the process cooler, and its heat constantly transmits to the coolant in through the cooler to can dispel the heat to hydraulic oil, reduce the hydraulic oil temperature, guarantee system robustness and load holding power.

Description

Electro-hydraulic actuator system with water cooling device
Technical Field
The utility model belongs to the technical field of the electricity liquid executor, concretely relates to take water cooling plant's electricity liquid executor system.
Background
The electro-hydraulic actuator system is an integrated hydraulic drive closed system which controls a motor to drive a bidirectional hydraulic pump and directly drives a bidirectional actuator through a control valve. The power-saving control device has the advantages of small volume, high control reliability, high power density, high response speed, strong load capacity retention, obvious energy-saving effect and the like.
Meanwhile, some defects of the electro-hydraulic actuator system are obvious, wherein high-speed pressurized fluid inevitably generates heat when passing through a hydraulic pump, a valve block pipeline, a control valve and other band-resistance elements, the generated heat is more particularly under the working conditions of frequent actuation, large load and long working period, and the system has low robustness and reduced load holding capacity due to the rapid rise of the temperature of hydraulic oil of the system.
Disclosure of Invention
To exist not enough among the prior art, the utility model provides a can dispel the heat to hydraulic oil, reduce the hydraulic oil temperature, guarantee system robustness and load holding power's the electric liquid executor system of taking water cooling plant.
The technical scheme of the utility model is that: take electro-hydraulic actuator system of water cooling plant, include: the actuator control loop is provided with a bidirectional actuator and a bidirectional hydraulic pump, the water cooling device loop is provided with a cooler, a cooling liquid pool and a cooling pump, and the cooler is connected in the actuator control loop in series.
The water cooling device loop is provided with two coolers, and the two coolers are respectively connected in series at two output ends of the bidirectional hydraulic pump.
One end of the two coolers connected in parallel is connected with the cooling pump, and the other end of the two coolers connected in parallel is connected with the cooling liquid pool.
And cooling water is filled in the cooling liquid pool.
The bidirectional actuator is provided with a first cavity and a second cavity, the first cavity is connected with the bidirectional hydraulic pump through a first reversing valve, and the second cavity is connected with the bidirectional hydraulic pump through a second reversing valve; the first cavity is connected with an energy accumulator through a third reversing valve, and the second cavity is connected with the energy accumulator through a fourth reversing valve.
And the third reversing valve is connected with a first overflow valve in parallel, and the fourth reversing valve is connected with a second overflow valve in parallel.
The first cavity is connected with a first manual switch valve, and the second cavity is connected with a second manual switch valve.
And the energy accumulator is connected with a liquid temperature sensor.
One output end of the bidirectional hydraulic pump is connected with the energy accumulator through a third overflow valve, and the other output end of the bidirectional hydraulic pump is connected with the energy accumulator through a fourth overflow valve.
And a throttle valve is connected in series between two output ends of the bidirectional hydraulic pump.
The utility model has the advantages that: the utility model discloses well mould drives the inside coolant in cooling bath through the cooling pump and constantly flows in the cooler, and hydraulic oil in the executor control circuit is when the cooler, and its heat constantly transmits to coolant through the cooler to can dispel the heat to hydraulic oil, reduce the hydraulic oil temperature, guarantee system robustness and load holding power.
Drawings
Fig. 1 is a schematic diagram of the electro-hydraulic actuator system with a water cooling device of the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. The description of the exemplary embodiments is merely illustrative and is in no way intended to limit the invention, its application, or uses. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments are to be construed as merely illustrative, and not as limitative, unless specifically stated otherwise.
The use of "first," "second," and the like in the present application does not denote any order, quantity, or importance, but rather the terms "first," "second," and the like are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1, the electro-hydraulic actuator system with a water cooling device includes: the hydraulic control system comprises an actuator control loop and a water cooling device loop, wherein the actuator control loop is provided with a bidirectional actuator 100 and a bidirectional hydraulic pump 160, the bidirectional hydraulic pump 160 is driven by a motor 180, the water cooling device loop is provided with a cooler, a cooling liquid pool and a cooling pump 230, and the cooler is connected in the actuator control loop in series; in this embodiment, the cooling pump 230 drives the cooling medium inside the cooling tank to continuously flow inside the cooler, and when the hydraulic oil in the actuator control loop passes through the cooler, the heat of the hydraulic oil is continuously transferred to the cooling medium through the cooler, so that the hydraulic oil can be radiated, the temperature of the hydraulic oil is reduced, and the robustness and the load holding capacity of the system are ensured.
In some embodiments, the water cooling device loop has two coolers, such as the first cooler 170.1 and the second cooler 170.2 shown in fig. 1, the two coolers are respectively connected in series to two output ends of the bidirectional hydraulic pump 160, when one end of the bidirectional hydraulic pump 160 is an output end, the other end is an input end, and the two output ends of the bidirectional hydraulic pump 160 are respectively provided with the coolers, so that the hydraulic oil flowing through the bidirectional hydraulic pump 160 can be cooled twice, and the cooling effect can be ensured.
In some embodiments, two coolers are connected in parallel at one end to the cooling pump 230 and at the other end to the cooling fluid reservoir; specifically, the cooling water is filled in the cooling liquid pool, the cooling pump 230 is a water pump, the cooling water in the cooling liquid pool can be continuously pumped to the cooler under the action of the cooling pump 230, and the cooling water continuously flows in the cooler, so that the cooling effect on the hydraulic oil is realized.
As a specific implementation manner of the actuator control circuit, the bidirectional actuator 100 has a first cavity and a second cavity, the bidirectional actuator 100 extends out when the hydraulic oil is pumped into the first cavity, and the bidirectional actuator 100 retracts when the hydraulic oil is pumped into the second cavity, the first cavity is connected with the bidirectional hydraulic pump 160 through the first directional valve 120.1, and the second cavity is connected with the bidirectional hydraulic pump 160 through the second directional valve 120.2; the first chamber is connected with an accumulator 215 through a third reversing valve 130.1, and the second chamber is connected with the accumulator 215 through a fourth reversing valve 130.2; when the first reversing valve 120.1, the second reversing valve 120.1 and the fourth reversing valve 130.2 act, the bidirectional actuator 100 pumps the hydraulic oil into the first cavity, and the bidirectional actuator 100 extends out; when the first direction valve 120.1, the second direction valve 120.2 and the third direction valve 130.1 act, the bidirectional actuator 100 pumps the hydraulic oil into the second chamber, and the bidirectional actuator 100 retracts.
In some embodiments, the third direction-changing valve 130.1 is connected with the first overflow valve 110.1 in parallel, and the fourth direction-changing valve 130.2 is connected with the second overflow valve 110.2 in parallel; one output of the bidirectional hydraulic pump 160 is connected to the accumulator 215 via a third overflow valve 110.3, and the other output of the bidirectional hydraulic pump 160 is connected to the accumulator 215 via a fourth overflow valve 110.4.
In some embodiments, the first cavity is connected with a first manual switch valve 200.1, and the second cavity is connected with a second manual switch valve 200.2, so that oil filling or oil supplement in debugging and maintenance processes is facilitated.
In some embodiments, the accumulator 215 is connected to a liquid temperature sensor 210, the liquid temperature sensor 210 can collect the temperature of hydraulic oil in the system, and the cooling pump 230 can adjust the working state according to the temperature of the hydraulic oil.
In some embodiments, a throttle valve 150 is connected in series between two output ends of the bidirectional hydraulic pump 160, the throttle valve 150 is added as an adjustable hydraulic resistance, the size of an opening of the throttle valve 150 can be adjusted in the debugging process, the highest pressure of a hydraulic circuit is adjusted, and the set safety pressure of an overflow valve is synchronously adjusted; meanwhile, a liquid resistance adjustable loop is formed through the throttle valve 150, and the safety and stability of the system are ensured.
Thus far, various embodiments of the present invention have been described in detail. Some details which are well known in the art have not been described in order to avoid obscuring the concepts of the present invention. It will be fully apparent to those skilled in the art from the foregoing description how to practice the presently disclosed embodiments.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. The utility model provides a take water cooling plant's electricity liquid executor system which characterized in that includes: the actuator control loop is provided with a bidirectional actuator and a bidirectional hydraulic pump, the water cooling device loop is provided with a cooler, a cooling liquid pool and a cooling pump, and the cooler is connected in the actuator control loop in series.
2. The electro-hydraulic actuator system with a water cooling device of claim 1, wherein: the water cooling device loop is provided with two coolers, and the two coolers are respectively connected in series at two output ends of the bidirectional hydraulic pump.
3. The electro-hydraulic actuator system with a water cooling device of claim 2, wherein: one end of the two coolers connected in parallel is connected with the cooling pump, and the other end of the two coolers connected in parallel is connected with the cooling liquid pool.
4. The electro-hydraulic actuator system with a water cooling device of claim 3, wherein: and cooling water is filled in the cooling liquid pool.
5. The electro-hydraulic actuator system with a water cooling device of claim 1, wherein: the bidirectional actuator is provided with a first cavity and a second cavity, the first cavity is connected with the bidirectional hydraulic pump through a first reversing valve, and the second cavity is connected with the bidirectional hydraulic pump through a second reversing valve; the first cavity is connected with an energy accumulator through a third reversing valve, and the second cavity is connected with the energy accumulator through a fourth reversing valve.
6. The electro-hydraulic actuator system with a water cooling device of claim 5, wherein: and the third reversing valve is connected with a first overflow valve in parallel, and the fourth reversing valve is connected with a second overflow valve in parallel.
7. The electro-hydraulic actuator system with a water cooling device of claim 5, wherein: the first cavity is connected with a first manual switch valve, and the second cavity is connected with a second manual switch valve.
8. The electro-hydraulic actuator system with a water cooling device of claim 5, wherein: and the energy accumulator is connected with a liquid temperature sensor.
9. The electro-hydraulic actuator system with a water cooling device of claim 5, wherein: one output end of the bidirectional hydraulic pump is connected with the energy accumulator through a third overflow valve, and the other output end of the bidirectional hydraulic pump is connected with the energy accumulator through a fourth overflow valve.
10. The electro-hydraulic actuator system with a water cooling device of claim 1, wherein: and a throttle valve is connected in series between the two output ends of the bidirectional hydraulic pump.
CN202220719626.8U 2022-03-30 2022-03-30 Electro-hydraulic actuator system with water cooling device Active CN217421674U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220719626.8U CN217421674U (en) 2022-03-30 2022-03-30 Electro-hydraulic actuator system with water cooling device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220719626.8U CN217421674U (en) 2022-03-30 2022-03-30 Electro-hydraulic actuator system with water cooling device

Publications (1)

Publication Number Publication Date
CN217421674U true CN217421674U (en) 2022-09-13

Family

ID=83181253

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220719626.8U Active CN217421674U (en) 2022-03-30 2022-03-30 Electro-hydraulic actuator system with water cooling device

Country Status (1)

Country Link
CN (1) CN217421674U (en)

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