CN105465089A - Steering engine isolating bypass valve group - Google Patents
Steering engine isolating bypass valve group Download PDFInfo
- Publication number
- CN105465089A CN105465089A CN201510995477.2A CN201510995477A CN105465089A CN 105465089 A CN105465089 A CN 105465089A CN 201510995477 A CN201510995477 A CN 201510995477A CN 105465089 A CN105465089 A CN 105465089A
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- Prior art keywords
- valve
- cartridge
- oil
- mouth
- steering wheel
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a steering engine isolating bypass valve group. A main valve body of the steering engine isolating bypass valve group provides a port A1 and a port B1 which are connected with a main oil pump; ball valves provide a port I1, a port K1, a port L1 and a port J1 which are connected with a steering engine, the port A1 is communicated with the port I1and the port K1, and the port B1 is communicated with the port L1 and the port J1; when four oil cylinders work at the same time, an electromagnetic directional valve is not energized, control oil passes through the electromagnetic directional valve and then acts on a first cartridge valve so that the first cartridge valve can be closed, and control oil in control oil cavities of second and third cartridge valves returns to an oil tank through the electromagnetic directional valve and an oil drainage port G1 so that the second cartridge valve and the third cartridge valve can be opened; when isolation bypassing needs to be performed on the third oil cylinder, the fourth oil cylinder and corresponding pipe systems of the third and fourth oil cylinders, the electromagnetic directional valve is powered on and a valve element of the electromagnetic directional valve is switched to a left function position to work, control oil passes through the electromagnetic directional valve and acts on the control oil cavities of the second and third cartridge valves so that the second and third cartridge valves can be closed, and a control cavity of the first cartridge valve is communicated with the oil drainage port G1 through the electromagnetic directional valve so that the first cartridge valve can be opened. By means of the steering engine isolating bypass valve group, the functions of oil fluid shunting and isolation bypassing are achieved, a plug-in mode is adopted, the integration level and standardization level are high, and manufacturing is simple.
Description
Technical field
The present invention relates to ship domain, particularly relate to a kind of steering wheel isolation bypass valve group.
Background technique
According to standard-required, the important piping of the two cover of relative set is needed to the steering wheel being provided with two cover powerplant modules, should be able to be isolated when single failure appears in steering wheel and recover steering capacity as early as possible.
Steering wheel isolation bypass valve group is connected between main control valve group and loof mechanism, for realizing isolation bypass when single failure appears in oil cylinder or important piping.Existing isolation bypass function mainly adopts the following two kinds technological scheme to realize:
A. multiple hand stop valve compounding practice (see Fig. 1) is adopted.
B. Special change-over valve is adopted to realize (see Fig. 2).
The working principle of prior art a is comparatively simple, wherein A mouth, B mouth is connected with both sides major loop respectively, stop valve 1 during normal work, 2, 4, 5 are all in open mode, stop valve 3 is in closed condition, suppose that A mouth is high pressure hydraulic fluid port, pressure oil enters 1# cylinder and 3# cylinder respectively through stop valve 1 and stop valve 2, promotion rudder rotates counterclockwise, the inlet port of oil pump is got back in the oil return of 2# cylinder and 4# cylinder by hydraulic fluid port B, once need 3#, when the piping that 4# cylinder is corresponding isolates out, need stop valve 2 manually, 4 close, and stop valve 3 is opened, the shortcoming of the program is operation inconvenience, artificial judgment is needed also manually to carry out the handover operation of valve member, especially be unfavorable under emergency conditions fast, accurate response, its exterior line arranges relative complex in addition, more in disorder and fault point is increased.
Prior art b adopts special selector valve to switch, and during normal work, selector valve is in diagram function position, and when needing relation corresponding for 1#, 2# cylinder to isolate out, changeable valve element position realizes.Program pipeline is relatively succinct, and structure is also fairly simple, but guiding valve through-current capability is limited, leakage rate is comparatively large, and can produce when flow system flow is larger that volume increases, hydraulic control power is more difficult the problem such as to overcome, and the required precision of guiding valve own is high, difficulty of processing is large.
Summary of the invention
In order to overcome the deficiency that prior art exists, the invention provides a kind of steering wheel isolation bypass valve group, its through-current capability is large, quick action, good airproof performance, contamination resistance are strong, manufacture simple, reliable operation, can effectively reduce valve group volume simultaneously.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
The invention provides a kind of steering wheel isolation bypass valve group, it comprises:
Flange, ball valve, solenoid directional control valve, the first cartridge valve, main valve body, the second cartridge valve, the 3rd cartridge valve and check valve assembly;
Main valve body inside has valve member to be equipped with duct and hydraulic oil flow passage; Main valve body, bottom surface adpting flange, the A1 mouth, the B1 mouth that are connected with main oil pump are provided;
Ball valve is fixed on main valve body, the I1 mouth, K1 mouth, L1 mouth, the J1 mouth that are connected with loof mechanism are provided, be connected with four oil pockets of 4# oil cylinder with 1# oil cylinder, 2# oil cylinder, 3# oil cylinder respectively, wherein A1 mouth and I1 mouth, K1 oral groove lead to, and B1 mouth and L1 mouth, J1 oral groove lead to;
When four oil cylinders all work, the electromagnet of solenoid directional control valve must not be electric, controlling oily being applied to after solenoid directional control valve on the first cartridge valve makes it be in closed condition, the control oil pocket of the second cartridge valve and the 3rd cartridge valve all gets back to fuel tank by solenoid directional control valve through the drain tap G1 of valve group, makes it be in open mode; The oil-feed of A1 mouth, pressure oil is by being divided into two-way after the 3rd cartridge valve, one tunnel enters 1# oil cylinder through I1 mouth makes rudder rotate counterclockwise, and another road enters 3# oil cylinder through K1 mouth also makes rudder rotate counterclockwise, and the oil return of 4 oily # and 2# oil cylinders gets back to B1 mouth respectively through L1 mouth, J1 mouth through the second cartridge valve;
When needing the piping of 3# oil cylinder, 4# oil cylinder and correspondence thereof isolation bypass to fall, be energized to solenoid directional control valve, its spool switches to the work of left function position, controlling the oily control oil pocket being applied to the second cartridge valve and the 3rd cartridge valve after solenoid directional control valve makes it close, the control chamber of the first cartridge valve is linked up through solenoid directional control valve and drain tap G1, makes it be in open mode; The oil-feed of A1 mouth, pressure oil makes rudder rotate counterclockwise by entering 1# oil cylinder after the 3rd cartridge valve 7, the oil return of 2# oil cylinder gets back to B1 mouth through J1 mouth through the second cartridge valve, and 3# oil cylinder and 4# oil cylinder lead to through K1 mouth, the first cartridge valve and L1 mouth, follow 1# oil cylinder and 2# cylinder movement.
Further, described solenoid directional control valve is installed on main valve body upper end, its filler opening is connected with the outlet of check valve assembly, and return opening is connected with the drain tap G1 of valve group, and oil outlet is connected with the cover plate of the 3rd cartridge valve with the first cartridge valve, the second cartridge valve by the internal gutter of main valve body.
Further, described solenoid directional control valve is two four-way patterns.
Further, described solenoid directional control valve is provided with the operating grip for Non-follow control.
Further, described 3rd cartridge valve is arranged in the A1-I1 loop of steering wheel isolation bypass valve group, K1 loop; Second cartridge valve is arranged in the B1-L1 loop of steering wheel isolation bypass valve group, J1 loop; First cartridge valve is arranged in the K1-L1 loop of steering wheel isolation bypass valve group.
Further, described first cartridge valve, the second cartridge valve and the 3rd cartridge valve are substantially unidirectional valve-type cartridge valve, and its plug-in unit is installed in the equipped hole on main valve body, control cover plate and are fixed on the surface of main valve body.
Further, described check valve assembly and steering wheel are isolated the A1 mouth of bypass valve group, B1 mouth side loop and solenoid directional control valve and are connected.
Further, described check valve assembly comprises a mounting blocks and three plug-type one-way valves, and it is screwed at main valve body on the surface by mounting blocks; Isolate the A1 mouth of bypass valve group, B1 mouth side loop and solenoid directional control valve respectively with steering wheel by described plug-type one-way valve to be connected.
As can be seen from the concrete technological scheme of the invention described above, the present invention has following effect:
The present invention has fluid shunting, electronic isolation bypass and manually isolates bypass function, and adopt plug-in mounting pattern, level of integration is high.
Through-current capability strong adaptability of the present invention, can use the cartridge valve of various latus rectum specification, is applicable to the steering wheel closed type hydraulic system of various range of flow.And need singly to join relative to the valve body of conventional spool valves and spool, basic non-interchangeability, the cartridge valve structure that the present invention adopts, manufacture simple, standardization level is high.
Good airproof performance of the present invention, contamination resistance is strong, and steady rudder is effective, effectively solves guiding valve and leaks the problem large, contaminant sensitivity is high.
The degree of modularity of the present invention is high, directly can change and do not affect remaining component during certain component faults, relative to often needing to change for whole valve member during conventional spool valves fault, is highly susceptible to safeguarding.
Reliable operation of the present invention, also possesses manual operation function, further increases equipment reliability level.
Accompanying drawing explanation
Fig. 1 is the working principle schematic diagram of prior art a;
Fig. 2 is the working principle schematic diagram of prior art b;
Fig. 3 a is the plan view of structure of the present invention;
Fig. 3 b is the left view of structure of the present invention;
Fig. 3 c is the plan view of structure of the present invention;
Fig. 3 d is the M direction view of structure of the present invention;
Fig. 4 is hydraulic work principle schematic of the present invention.
In accompanying drawing:
Flange 1, ball valve 2, solenoid directional control valve 3, first cartridge valve 4, main valve body 5, second cartridge valve 6, the 3rd cartridge valve 7, check valve assembly 8.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.
The structure of steering wheel isolation bypass valve group of the present invention as shown in Figure 3, comprising: flange 1, ball valve 2, solenoid directional control valve 3, first cartridge valve 4, main valve body 5, second cartridge valve 6, the 3rd cartridge valve 7, check valve assembly 8.
Main valve body 5 is for installing each component, and its inside has valve member to be equipped with duct and hydraulic oil flow passage;
Flange 1 totally two, is installed on the bottom surface of main valve body 1 by screw, provide the interface be connected with main oil pump A1, B1;
Ball valve 2 totally four, is fixed by screws on main valve body 5, provides the interface be connected with loof mechanism I1, K1, L1, J1, and wherein the A1 mouth of valve group and I1 mouth, K1 oral groove lead to, and B1 mouth and L1 mouth, J1 oral groove are logical;
Solenoid directional control valve 3 is two four-way patterns, main valve body 5 upper end is installed on by screw, its filler opening is connected with the outlet of check valve assembly 8, return opening is connected with the drain tap G1 of valve group, oil outlet is connected with the cover plate of the 3rd cartridge valve 7 with the first cartridge valve 4, second cartridge valve 6 by the internal gutter of main valve body 5, solenoid directional control valve 3 is provided with operating grip, can be used for Non-follow control;
First cartridge valve 4, second cartridge valve 6 and the 3rd cartridge valve 7 are substantially unidirectional valve-type cartridge valve, and its plug-in unit is installed in the equipped hole on main valve body 5, control cover plate and are fixed by screws on the surface of main valve body 5.Wherein, the 3rd cartridge valve 7 is arranged in A1-I1, K1 loop of valve group; Second cartridge valve 6 is arranged in B1-L1, J1 loop of valve group; First cartridge valve 4 is arranged in the K1-L1 loop of valve group;
Check valve assembly 8 comprises a mounting blocks and three plug-type one-way valves; It is screwed at main valve body 5 on the surface by mounting blocks; Isolate the interface A1 of bypass valve group, interface B1 side loop and solenoid directional control valve 3 respectively with steering wheel by described plug-type one-way valve to be connected.
In addition, the leakage hole G1 on main valve body 5 adopts the pipe joint of GB.
As shown in Figure 4, in Fig. 4, A1 mouth, B1 mouth are connected with two oil outlets of main oil pump the hydraulic work principle of above-mentioned steering wheel isolation bypass valve group respectively, and I1, K1, L1, J1 are connected with four oil pockets of oil cylinder respectively, and G1 is the leakage hydraulic fluid port of valve group.
When four oil cylinders all work, the electromagnet of solenoid directional control valve 3 must not be electric, its spool is in illustrated function position, controlling oily being applied to after solenoid directional control valve 3 on first cartridge valve 4 makes it be in closed condition, and the control oil pocket of the second cartridge valve 6 and the 3rd cartridge valve 7 all gets back to fuel tank by solenoid directional control valve 3 through G1 mouth, the second cartridge valve 6 and the 3rd cartridge valve 7 is made to be in open mode.Suppose the oil-feed of A1 mouth, pressure oil is by being divided into two-way after the 3rd cartridge valve 7, one tunnel enters 1# cylinder through I1 mouth makes rudder rotate counterclockwise, and another road enters 3# cylinder through K1 mouth also makes rudder rotate counterclockwise, and the oil return of 4# and 2# cylinder gets back to B1 mouth respectively through L1 mouth, J1 mouth through the second cartridge valve 6.
When needing the piping of 3# cylinder, 4# cylinder and correspondence thereof isolation bypass to fall, be energized to solenoid directional control valve 3, its spool switches to the work of left function position, now controlling the oily control oil pocket being applied to the second cartridge valve 6 and the 3rd cartridge valve 7 after solenoid directional control valve 3 makes this two cartridge valves close, and the control chamber of the first cartridge valve 4 is linked up with drain tap G1 through solenoid directional control valve 3, the first cartridge valve 4 is made to be in open mode.Suppose the oil-feed of A1 mouth, pressure oil makes rudder rotate counterclockwise by entering 1# cylinder after the 3rd cartridge valve 7, the oil return of 2# cylinder gets back to B1 mouth through J1 mouth through the second cartridge valve 6, and 3# cylinder and 4# cylinder are directly linked up through K1 mouth, the first cartridge valve 4, L1 mouth, thus follows 1# cylinder and the motion of 2# cylinder.
In addition, the present invention is also provided with the first safety valve and the second safety valve, the import of the first safety valve and A1 ?I1 (K1) side loop be connected, export with B1 ?L1 (J1) side loop be connected; The import of the second safety valve and B1 ?L1 (J1) side loop be connected; Export with A1 ?I1 (K1) side loop be connected.
First safety valve and the second safety valve are all set up in design pressure, when due to reason the makes A1 such as outer load is excessive ?I1 (K1) side pressure exceed setting value time, the first safety valve is opened automatically, realize A1 ?the overpressure protection of I1 (K1) side; When B1 ?L1 (J1) side pressure exceed setting value time, the second safety valve is opened, realize B1 ?the overpressure protection of L1 (J1) side.
By reference to the accompanying drawings embodiments of the invention are explained in detail above, but the present invention is not limited to above-described embodiment, in the ken that those of ordinary skill in the art possess, various change can also be made under the prerequisite not departing from present inventive concept.
Claims (9)
1. a steering wheel isolation bypass valve group, is characterized in that, described steering wheel isolation bypass valve group comprises:
Flange (1), ball valve (2), solenoid directional control valve (3), the first cartridge valve (4), main valve body (5), the second cartridge valve (6), the 3rd cartridge valve (7) and check valve assembly (8);
Main valve body (5) inside has valve member to be equipped with duct and hydraulic oil flow passage; The bottom surface adpting flange (1) of main valve body (5), provides the A1 mouth, the B1 mouth that are connected with main oil pump;
Ball valve (2) is fixed on main valve body (5), the I1 mouth, K1 mouth, L1 mouth, the J1 mouth that are connected with loof mechanism are provided, be connected with four oil pockets of 4# oil cylinder with 1# oil cylinder, 2# oil cylinder, 3# oil cylinder respectively, wherein A1 mouth and I1 mouth, K1 oral groove lead to, and B1 mouth and L1 mouth, J1 oral groove lead to;
When four oil cylinders all work, the electromagnet of solenoid directional control valve (3) must not be electric, controlling oily being applied to after solenoid directional control valve (3) on the first cartridge valve (4) makes it be in closed condition, the control oil pocket of the second cartridge valve (6) and the 3rd cartridge valve (7) all gets back to fuel tank by solenoid directional control valve (3) through the drain tap G1 of valve group, makes it be in open mode;
When needing the piping of 3# oil cylinder, 4# oil cylinder and correspondence thereof isolation bypass to fall, be energized to solenoid directional control valve (3), its spool switches to the work of left function position, controlling the oily control oil pocket being applied to the second cartridge valve (6) and the 3rd cartridge valve (7) after solenoid directional control valve (3) makes it close, the control chamber of the first cartridge valve (4) is linked up with drain tap G1 through solenoid directional control valve (3), makes it be in open mode.
2. steering wheel isolation bypass valve group according to claim 1, is characterized in that, described steering wheel isolation bypass valve group also comprises:
First safety valve and the second safety valve;
The import of described first safety valve and A1 ?I1 (K1) side loop be connected, export with B1 ?L1 (J1) side loop be connected; The import of described second safety valve and B1 ?L1 (J1) side loop be connected; Export with A1 ?I1 (K1) side loop be connected.
3. steering wheel isolation bypass valve group according to claim 2, it is characterized in that, described solenoid directional control valve (3) is installed on main valve body (5) upper end, its filler opening is connected with the outlet of check valve assembly (8), return opening is connected with the drain tap G1 of valve group, and oil outlet is connected with the cover plate of the 3rd cartridge valve (7) with the first cartridge valve (4), the second cartridge valve (6) by the internal gutter of main valve body (5).
4. steering wheel isolation bypass valve group according to claim 3, it is characterized in that, described solenoid directional control valve (3) is two four-way patterns.
5. steering wheel isolation bypass valve group according to claim 4, it is characterized in that, described solenoid directional control valve (3) is provided with the operating grip for Non-follow control.
6. the steering wheel isolation bypass valve group according to claim 1 to 5 any one, is characterized in that, described 3rd cartridge valve (7) is arranged in the A1-I1 loop of steering wheel isolation bypass valve group, K1 loop; Second cartridge valve (6) is arranged in the B1-L1 loop of steering wheel isolation bypass valve group, J1 loop; First cartridge valve (4) is arranged in the K1-L1 loop of steering wheel isolation bypass valve group.
7. steering wheel isolation bypass valve group according to claim 6, it is characterized in that, described first cartridge valve (4), the second cartridge valve (6) and the 3rd cartridge valve (7) are substantially unidirectional valve-type cartridge valve, its plug-in unit is installed in the equipped hole on main valve body (5), controls cover plate and is fixed on the surface of main valve body (5).
8. steering wheel according to claim 7 isolation bypass valve group, is characterized in that, described check valve assembly (8) and steering wheel are isolated the A1 mouth of bypass valve group, B1 mouth side loop and solenoid directional control valve (3) and be connected.
9. steering wheel isolation bypass valve group according to claim 8, it is characterized in that, described check valve assembly (8) comprises a mounting blocks and three plug-type one-way valves, and it is screwed at main valve body (5) on the surface by mounting blocks; Isolate the A1 mouth of bypass valve group, B1 mouth side loop and solenoid directional control valve (3) respectively with steering wheel by described plug-type one-way valve to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995477.2A CN105465089B (en) | 2015-12-25 | 2015-12-25 | A kind of steering wheel isolation bypass valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510995477.2A CN105465089B (en) | 2015-12-25 | 2015-12-25 | A kind of steering wheel isolation bypass valve group |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105465089A true CN105465089A (en) | 2016-04-06 |
| CN105465089B CN105465089B (en) | 2017-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510995477.2A Active CN105465089B (en) | 2015-12-25 | 2015-12-25 | A kind of steering wheel isolation bypass valve group |
Country Status (1)
| Country | Link |
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| CN (1) | CN105465089B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339271A (en) * | 2017-07-28 | 2017-11-10 | 武汉船用机械有限责任公司 | A kind of steering wheel hydraulic control system |
| CN115523203A (en) * | 2022-09-14 | 2022-12-27 | 南京航海仪器二厂有限公司 | Rotary vane steering engine steering oil cylinder fault isolation valve bank and rotary vane steering engine |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2075451A (en) * | 1980-04-17 | 1981-11-18 | British Petroleum Co | Steering Gear |
| US4362117A (en) * | 1979-06-16 | 1982-12-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Marine steering gear with emergency steering means |
| JPS58149895A (en) * | 1982-03-01 | 1983-09-06 | Kawasaki Heavy Ind Ltd | Hydraulic circuit of steering arrangement |
| CN2066843U (en) * | 1989-12-01 | 1990-12-05 | 张文华 | Multi-function composite hydraulic steering engine |
| CN101954969A (en) * | 2010-09-21 | 2011-01-26 | 南京航海仪器二厂有限公司 | Oil supply system for hydraulic steering engine |
| CN101954968A (en) * | 2010-09-25 | 2011-01-26 | 南京航海仪器二厂有限公司 | Valve block special for hydraulic steering engine |
| CN102001435A (en) * | 2010-10-26 | 2011-04-06 | 广西梧州运龙港船机械制造有限公司 | Marine hydraulic steering engine |
| CN202166519U (en) * | 2011-08-24 | 2012-03-14 | 东北农业大学 | Ship steering engine loading device for ground test |
| CN102923291A (en) * | 2012-11-21 | 2013-02-13 | 武汉船用机械有限责任公司 | Hydraulic control valve unit for rotating-vane type steering engine |
| CN203372387U (en) * | 2013-07-19 | 2014-01-01 | 杨耕新 | Ship steering device |
| CN103615420A (en) * | 2013-11-28 | 2014-03-05 | 中国船舶重工集团公司第七○四研究所 | Compact valve bank special for steering engine |
| CN105151266A (en) * | 2015-08-17 | 2015-12-16 | 南通航运职业技术学院 | Pump valve joint control hydraulic steering gear device based on frequency conversion technology and control method |
-
2015
- 2015-12-25 CN CN201510995477.2A patent/CN105465089B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4362117A (en) * | 1979-06-16 | 1982-12-07 | Mitsubishi Jukogyo Kabushiki Kaisha | Marine steering gear with emergency steering means |
| GB2075451A (en) * | 1980-04-17 | 1981-11-18 | British Petroleum Co | Steering Gear |
| JPS58149895A (en) * | 1982-03-01 | 1983-09-06 | Kawasaki Heavy Ind Ltd | Hydraulic circuit of steering arrangement |
| CN2066843U (en) * | 1989-12-01 | 1990-12-05 | 张文华 | Multi-function composite hydraulic steering engine |
| CN101954969A (en) * | 2010-09-21 | 2011-01-26 | 南京航海仪器二厂有限公司 | Oil supply system for hydraulic steering engine |
| CN101954968A (en) * | 2010-09-25 | 2011-01-26 | 南京航海仪器二厂有限公司 | Valve block special for hydraulic steering engine |
| CN102001435A (en) * | 2010-10-26 | 2011-04-06 | 广西梧州运龙港船机械制造有限公司 | Marine hydraulic steering engine |
| CN202166519U (en) * | 2011-08-24 | 2012-03-14 | 东北农业大学 | Ship steering engine loading device for ground test |
| CN102923291A (en) * | 2012-11-21 | 2013-02-13 | 武汉船用机械有限责任公司 | Hydraulic control valve unit for rotating-vane type steering engine |
| CN203372387U (en) * | 2013-07-19 | 2014-01-01 | 杨耕新 | Ship steering device |
| CN103615420A (en) * | 2013-11-28 | 2014-03-05 | 中国船舶重工集团公司第七○四研究所 | Compact valve bank special for steering engine |
| CN105151266A (en) * | 2015-08-17 | 2015-12-16 | 南通航运职业技术学院 | Pump valve joint control hydraulic steering gear device based on frequency conversion technology and control method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107339271A (en) * | 2017-07-28 | 2017-11-10 | 武汉船用机械有限责任公司 | A kind of steering wheel hydraulic control system |
| CN107339271B (en) * | 2017-07-28 | 2019-06-21 | 武汉船用机械有限责任公司 | A kind of steering engine hydraulic control system |
| CN115523203A (en) * | 2022-09-14 | 2022-12-27 | 南京航海仪器二厂有限公司 | Rotary vane steering engine steering oil cylinder fault isolation valve bank and rotary vane steering engine |
| CN115523203B (en) * | 2022-09-14 | 2023-09-15 | 南京航海仪器二厂有限公司 | Rotary vane steering engine rudder oil cylinder fault isolation valve group and rotary vane steering engine |
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| Publication number | Publication date |
|---|---|
| CN105465089B (en) | 2017-09-01 |
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