CN216407317U - Unmanned ship hydraulic control system - Google Patents
Unmanned ship hydraulic control system Download PDFInfo
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- CN216407317U CN216407317U CN202122927665.5U CN202122927665U CN216407317U CN 216407317 U CN216407317 U CN 216407317U CN 202122927665 U CN202122927665 U CN 202122927665U CN 216407317 U CN216407317 U CN 216407317U
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Abstract
An unmanned ship hydraulic control system valve. The problem of current steering wheel troublesome poeration, waste time and energy, control insecure is solved. The hydraulic control system comprises an oil tank, a control oil cylinder, a first hydraulic pump and a second hydraulic pump, wherein the first hydraulic pump is connected with a second reversing valve and a third reversing valve through a first reversing valve, the second reversing valve is provided with a first position enabling the first reversing valve to be communicated with a rodless cavity of the control oil cylinder and a second position enabling the rodless cavity of the control oil cylinder to be communicated with the second hydraulic pump, and the third reversing valve is provided with a first position enabling the first reversing valve to be communicated with a rod cavity of the control oil cylinder and a second position enabling the rod cavity of the control oil cylinder to be communicated with the second hydraulic pump. The utility model has the advantages that the first hydraulic pump and the second hydraulic pump can control the action of the steering engine, so that the manual control and the automatic control of the steering engine are realized, the utility model can be adapted to the unmanned ship, the adaptation range is wide, and the control is convenient and reliable.
Description
Technical Field
The utility model relates to the field of hydraulic control, in particular to a hydraulic control system of an unmanned ship.
Background
Steering engines are large deck machines on ships. The current marine steering engine has multiple purposes, namely, hydraulic equipment is remotely controlled by electric equipment. There are two types: the reciprocating plunger type steering engine has the principle that the reciprocating plunger type steering engine works through the conversion of high-pressure oil and low-pressure oil to generate linear motion and converts the linear motion into rotary motion through a tiller. The other is a rotary vane type steering engine, the principle is that high-pressure and low-pressure oil directly acts on a rotor, the size is small, the efficiency is high, and the cost is high.
The control system of the steering engine has the advantages of small volume, light weight, small occupied space, convenient speed adjustment, easy realization of automation and automatic overload protection, good lubrication condition of parts, long service life and the like. However, the existing steering engines are operated by manually rotating a steering wheel, and the steering engines are troublesome to operate, time-consuming and labor-consuming.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hydraulic control system of an unmanned ship, which aims to solve the problems of troublesome operation, time and labor waste and unreliable control of the existing steering engine in the background art.
The technical scheme of the utility model is as follows: a hydraulic control system of an unmanned ship comprises an oil tank, a control oil cylinder, a first hydraulic pump and a second hydraulic pump, the control oil cylinder comprises a rodless cavity, a rod cavity and a piston rod for driving the steering engine to act, the first hydraulic pump is connected with the second reversing valve and the third reversing valve through the first reversing valve, the second reversing valve is provided with a first position enabling the first reversing valve to be communicated with the rodless cavity of the control oil cylinder and a second position enabling the rodless cavity of the control oil cylinder to be communicated with the second hydraulic pump, the third reversing valve is provided with a first position enabling the first reversing valve to be communicated with the rod cavity of the control oil cylinder and a second position enabling the rod cavity of the control oil cylinder to be communicated with the second hydraulic pump, and when the second reversing valve is in the second position and the third reversing valve is in the second position, the rodless cavity of the control oil cylinder is communicated with the rod cavity of the control oil cylinder through a second hydraulic pump.
As a further improvement of the present invention, the second hydraulic pump is connected to a manual driving element, and the manual driving element drives the second hydraulic pump by rotation when the second direction valve is at the second position and the third direction valve is at the second position, so that the hydraulic oil in the rod-free cavity of the control cylinder and the hydraulic oil in the rod-containing cavity of the control cylinder flow.
As a further improvement of the utility model, an overflow valve for ensuring the system safety is arranged between the first hydraulic pump and the first reversing valve.
As a further improvement of the utility model, the first reversing valve is a three-position four-way reversing valve.
As a further improvement of the utility model, the first reversing valve is an electromagnetic reversing valve.
As a further improvement of the utility model, the second reversing valve and/or the third reversing valve is a two-position three-way reversing valve.
As a further improvement of the present invention, the second direction changing valve and/or the third direction changing valve is an electromagnetic direction changing valve.
As a further improvement of the utility model, the second hydraulic pump is a manual hydraulic pump.
As a further improvement of the present invention, the first direction valve includes an oil inlet, an oil return port, a first oil port and a second oil port, and the first direction valve enables the oil inlet to be communicated with the second direction valve or the third direction valve through the first oil port by a position change of the valve rod.
The utility model has the advantages that the first hydraulic pump and the second hydraulic pump can control the action of the steering engine, so that the manual control and the automatic control of the steering engine are realized, the utility model can be adapted to the unmanned boat for use, and has wide adaptation range, simple structure, convenient and reliable control and long service life.
Drawings
FIG. 1 is a hydraulic schematic of an embodiment of the present invention.
In the figure, 1, a fuel tank; 2. controlling the oil cylinder; 21. a rodless cavity; 22. a rod cavity; 23. a piston rod; 3. a first hydraulic pump; 4. a second hydraulic pump; 5. a first direction changing valve; 6. a second directional control valve; 7. a third directional control valve; 8. an overflow valve; p, an oil inlet; t, an oil return port; A. a first oil port; B. a second oil port; 9. a steering engine.
Detailed Description
The embodiments of the utility model will be further described with reference to the accompanying drawings in which:
as shown in figure 1, the unmanned ship hydraulic control system is characterized by comprising an oil tank 1, a control oil cylinder 2, a first hydraulic pump 3 and a second hydraulic pump 4, wherein the control oil cylinder 2 comprises a rodless cavity 21, a rod cavity 22 and a piston rod 23 for driving a steering engine 9 to act, the first hydraulic pump 3 is connected with a second reversing valve 6 and a third reversing valve 7 through a first reversing valve 5, the second reversing valve 6 is provided with a first position enabling the first reversing valve 5 to be communicated with the rodless cavity 21 of the control oil cylinder 2 and a second position enabling the rodless cavity 21 of the control oil cylinder 2 to be communicated with the second hydraulic pump 4, the third reversing valve 7 is provided with a first position enabling the first reversing valve 5 to be communicated with the rod cavity 22 of the control oil cylinder 2 and a second position enabling the rod cavity 22 of the control oil cylinder 2 to be communicated with the second hydraulic pump 4, the second reversing valve 6 is located at the second position, and when the third reversing valve is located at the second position, the rodless cavity of the control oil cylinder 2 is communicated with the second hydraulic pump 4 The second hydraulic pump 4 is communicated with a rod cavity 22 of the control cylinder 2. The utility model has the advantages that the first hydraulic pump and the second hydraulic pump can control the action of the steering engine, so that the manual control and the automatic control of the steering engine are realized, the utility model can be adapted to the unmanned boat for use, and has wide adaptation range, simple structure, convenient and reliable control and long service life. The first hydraulic pump can control the action of the unmanned ship in an electric mode and the like, namely the utility model can realize manual and electric control of the action of the steering engine of the unmanned ship, thereby controlling the action of the unmanned ship.
The second hydraulic pump 4 is connected with a manual driving piece, and the manual driving piece drives the second hydraulic pump 4 to enable the rodless cavity of the control oil cylinder 2 to be communicated with the inner hydraulic oil of the rod cavity 22 of the control oil cylinder 2 by rotating when the second reversing valve 6 is located at the second position and the third reversing valve 7 is located at the second position. Specifically, the second hydraulic pump 4 is a manual hydraulic pump. More specifically, manual driving piece can be the steering wheel, can reliably control the steering wheel action promptly through rotating the steering wheel, simple structure, and control is convenient reliable.
And an overflow valve 8 for ensuring the system safety is arranged between the first hydraulic pump 3 and the first reversing valve 5. The setting of overflow valve makes the system safer, and when pressure oil exceeded overflow valve settlement pressure, the pressure oil of system can be followed overflow valve and is located the overflow, avoids haring the system.
The first reversing valve 5 is a three-position four-way reversing valve. Specifically, the first direction valve 5 is an electromagnetic direction valve. Specifically, the second reversing valve 6 and/or the third reversing valve 7 are two-position three-way reversing valves. More specifically, the second direction valve 6 and/or the third direction valve 7 are electromagnetic direction valves. The structure makes the system control more convenient, and the electromagnetic directional valve makes the system control convenient and reliable.
Specifically, the first reversing valve can be an electromagnetic proportional reversing valve, namely the opening of a valve rod of the first reversing valve is driven by the electromagnetic force so as to control pressure oil from an oil inlet P to a first oil port A or a second oil port, thereby controlling the pressure oil entering a rodless cavity or a rod cavity of the control oil cylinder and controlling the rotating speed and the angle of the steering engine. The position can be obtained by combining with a steering engine angle sensor, and the position of the rudder is controlled by a PID algorithm. The first reversing valve 5 comprises an oil inlet P, an oil return port T, a first oil port A and a second oil port B, and the first reversing valve 5 enables the oil inlet P to be communicated with the second reversing valve 6 or the third reversing valve 7 through the first oil port A through the position change of the valve rod.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (9)
1. The unmanned ship hydraulic control system is characterized by comprising an oil tank (1), a control oil cylinder (2), a first hydraulic pump (3) and a second hydraulic pump (4), wherein the control oil cylinder (2) comprises a rodless cavity (21), a rod cavity (22) and a piston rod (23) for driving a steering engine to act, the first hydraulic pump (3) is connected with a second reversing valve (6) and a third reversing valve (7) through a first reversing valve (5), the second reversing valve (6) is provided with a first position enabling the first reversing valve (5) to be communicated with the rodless cavity (21) of the control oil cylinder (2) and a second position enabling the rodless cavity (21) of the control oil cylinder (2) to be communicated with the second hydraulic pump (4), and the third reversing valve (7) is provided with a first position enabling the first reversing valve (5) to be communicated with the rod cavity (22) of the control oil cylinder (2) and a second position enabling the rod cavity (22) of the control oil cylinder (2) to be connected with the second hydraulic pump (4) When the second reversing valve (6) is in the second position and the third reversing valve is in the second position, the rodless cavity of the control oil cylinder (2) is communicated with the rod cavity (22) of the control oil cylinder (2) through the second hydraulic pump (4).
2. The unmanned ship hydraulic control system according to claim 1, wherein the second hydraulic pump (4) is connected to a manual drive member, and the manual drive member drives the second hydraulic pump (4) to rotate when the second direction valve (6) is at the second position and the third direction valve (7) is at the second position, so that the rodless cavity of the control cylinder (2) is in hydraulic fluid communication with the inner hydraulic cavity (22) of the rod cavity of the control cylinder (2).
3. The unmanned ship hydraulic control system according to claim 1, characterized in that an overflow valve (8) for ensuring system safety is arranged between the first hydraulic pump (3) and the first reversing valve (5).
4. The unmanned boat hydraulic control system of claim 1, characterized in that the first directional valve (5) is a three-position, four-way directional valve.
5. The unmanned boat hydraulic control system of claim 1, characterized in that the first directional valve (5) is a solenoid directional valve.
6. The unmanned boat hydraulic control system of claim 1, characterized in that the second directional valve (6) and/or the third directional valve (7) are two-position three-way directional valves.
7. The unmanned boat hydraulic control system of claim 1, characterized in that the second directional valve (6) and/or the third directional valve (7) are electromagnetic directional valves.
8. The unmanned marine vessel hydraulic control system according to claim 1, wherein the second hydraulic pump (4) is a manual hydraulic pump.
9. The unmanned ship hydraulic control system of claim 1, wherein the first directional control valve (5) comprises an oil inlet (P), an oil return port (T), a first oil port (A) and a second oil port (B), and the first directional control valve (5) enables the oil inlet (P) to be communicated with the second directional control valve (6) or the third directional control valve (7) through the first oil port (A) by the position change of the valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927665.5U CN216407317U (en) | 2021-11-26 | 2021-11-26 | Unmanned ship hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122927665.5U CN216407317U (en) | 2021-11-26 | 2021-11-26 | Unmanned ship hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216407317U true CN216407317U (en) | 2022-04-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122927665.5U Active CN216407317U (en) | 2021-11-26 | 2021-11-26 | Unmanned ship hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216407317U (en) |
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2021
- 2021-11-26 CN CN202122927665.5U patent/CN216407317U/en active Active
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