CN210034002U - Redundancy control valve group of hydraulic system of controllable pitch propeller - Google Patents
Redundancy control valve group of hydraulic system of controllable pitch propeller Download PDFInfo
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- CN210034002U CN210034002U CN201920477172.6U CN201920477172U CN210034002U CN 210034002 U CN210034002 U CN 210034002U CN 201920477172 U CN201920477172 U CN 201920477172U CN 210034002 U CN210034002 U CN 210034002U
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Abstract
The utility model relates to a redundant control valves of roll adjustment oar hydraulic system, including high-level control valve group, main control valve group, trigeminy pump group, the first pump that allies oneself with in the trigeminy pump group connects high-level control valve group, main control valve group respectively through the three-way ball valve, and high-level control valve group, main control valve group connect the executor hydro-cylinder of roll adjustment oar respectively, and when normally working, the three-way ball valve cuts off the first pump that allies oneself with in the trigeminy pump group and is connected with high-level control valve group, is supplied oil to main control valve group by first allies oneself with the pump, controls the action of roll adjustment oar by main; when the main control valve group breaks down, the three-way ball valve is switched to connect a first pump in the triple pump group with the high control valve group for controlling the action of the controllable pitch propeller. The utility model discloses utilize current trigeminy pump package (first pump that allies oneself with), increase simple tee bend ball valve return circuit, realize the redundancy to the master control valves, guarantee when the master control valves breaks down, can reach emergency control's purpose through the action of high control valves control roll adjustment oar of putting.
Description
Technical Field
The utility model relates to a boats and ships power advancing device's roll adjustment oar hydraulic system, especially a redundant valve unit of control of roll adjustment oar hydraulic system.
Background
The marine controllable pitch propeller generally adopts a hydraulic system to carry out blade controllable pitch work, the hydraulic system is controlled through a hydraulic pump and a reversing valve, when a main control valve group breaks down and a crew cannot enter the cabin to repair, the controllable pitch function of the controllable pitch propeller cannot be realized, accidents are caused, and the safe operation of the controllable pitch propeller system is seriously influenced.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a redundant valves of control of roll adjustment oar hydraulic system can be used to solve roll adjustment oar hydraulic system main control valves and break down and the difficult problem that the crewman can't get into the cabin maintenance again.
In order to achieve the above purpose, the technical scheme of the utility model is that: a redundant control valve group of a hydraulic system of a controllable pitch propeller comprises a high-level control valve group, a main control valve group and a triple pump group, wherein a first joint pump in the triple pump group is respectively connected with the high-level control valve group and the main control valve group through a three-way ball valve; when the main control valve group breaks down, the three-way ball valve is switched to connect a first pump in the triple pump group with the high control valve group for controlling the action of the controllable pitch propeller.
Further, the three-way ball valve is a three-position three-way control valve, and an outlet of a first pump in the triple pump set is connected with an inlet A of the three-way ball valve; the outlet B of the three-way ball valve is connected with the inlet of the high valve group filter; an outlet C of the three-way ball valve is connected with the duplex filter; opening the three-way ball valve, connecting an inlet A and an outlet B of the three-way ball valve, and disconnecting an inlet A and an outlet C of the three-way ball valve; and (4) closing the three-way ball valve, disconnecting the inlet A and the outlet B of the three-way ball valve, and connecting the inlet A and the outlet C of the three-way ball valve.
Furthermore, the high-level control valve group comprises an electro-hydraulic reversing valve, an inlet of the electro-hydraulic reversing valve is connected with the three-way ball valve through a high-level valve group filter, and the electro-hydraulic reversing valve is connected with an actuator oil cylinder of the controllable pitch propeller.
Furthermore, the main control valve group comprises an electro-hydraulic reversing valve and a proportional valve, the inlets P of the electro-hydraulic reversing valve and the proportional valve are connected with the outlet of the triple pump group through a duplex filter, and the inlets P of the reversing valve and the proportional valve are connected with the high-pressure port of the electromagnetic overflow valve; the outlets T of the reversing valve and the proportional valve are connected with a low-pressure port of the electromagnetic overflow valve; the low-pressure port of the electromagnetic overflow valve is connected with the inlet of the oil tank after passing through the oil return filter; an outlet A of the electro-hydraulic reversing valve is connected with the proportional valve and an outlet A of the electro-hydraulic reversing valve; an outlet B of the electro-hydraulic reversing valve is connected with the proportional valve and an outlet B of the electro-hydraulic reversing valve; and outlets A and B of the electro-hydraulic reversing valve, the proportional valve and the electro-hydraulic reversing valve are respectively connected with two cavities of the actuator oil cylinder.
The utility model has the advantages that:
the utility model discloses the tee bend ball valve cuts off the first pump that allies oneself with of trigeminy pump package under the normal work and puts the valve unit with high and be connected, gives the main control valve unit fuel feeding by first antithetical couplet pump, moves through electric liquid switching-over valve and proportional valve control roll adjustment oar among the main control valve unit. When the main control valve group breaks down, a first pump in the triple pump group and the high control valve group are connected by switching a three-way ball valve in the other cabin, and the action of the controllable pitch propeller is controlled. The utility model discloses utilize current trigeminy pump package (first pump that allies oneself with), increase simple tee bend ball valve return circuit, realize the redundancy to the master control valves, guarantee when the master control valves breaks down, can reach emergency control's purpose through the action of high control valves control roll adjustment oar of putting.
The utility model discloses utilize current trigeminy pump package (first pump that allies oneself with), increase simple tee bend ball valve return circuit, realize the redundancy to the master control valves, guarantee when the master control valves breaks down, can reach emergency control's purpose through the action of high control valves control roll adjustment oar of putting.
When the main control valve group has problems and a crew can not enter the cabin, the high control valve group controls the action of the controllable pitch propeller to achieve the purpose of emergency control.
Drawings
Fig. 1 is a hydraulic schematic diagram of a redundant control valve set of a hydraulic system of a controllable pitch propeller of the utility model;
in the figure: 1. the system comprises a triple pump set, 2, a three-way ball valve, 3, a high-set valve group filter, 4, an electromagnetic overflow valve, 5, an electro-hydraulic reversing valve, 6, a double-filter, 7, an electromagnetic overflow valve, 8, a proportional valve, 9 and an electro-hydraulic reversing valve.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1, the utility model discloses a redundant control valves of roll adjustment oar hydraulic system, including trigeminy pump package 1, three-way ball valve 2, high valves filter 3, electromagnetic overflow valve 4, electric liquid switching-over valve 5, duplex filter 6, electromagnetic overflow valve 7, proportional valve 8, electric liquid switching-over valve 9 of putting.
The first pump, the second pump and the third pump in the triple pump set 1 are connected together through a shaft. A first pump in the triple pump set 1 is respectively connected with a high control valve set and a main control valve set through a three-way ball valve 2, and the high control valve set and the main control valve set are respectively connected with an actuator oil cylinder of the controllable pitch propeller. When the three-way ball valve 2 works normally, a first pump in the triple pump group 1 is cut off and connected with a high-level control valve group, the first pump supplies oil to a main control valve group, and the main control valve group controls the action of a controllable pitch propeller; when the main control valve group breaks down, the three-way ball valve 2 is switched to connect a first pump in the triple pump group 1 with the high control valve group for controlling the action of the controllable pitch propeller.
The main control valve group comprises an electro-hydraulic reversing valve 9 and a proportional valve 8, and the main control valve group is connected with the controllable pitch propeller through the electro-hydraulic reversing valve 9 and the proportional valve 8. The high-level control valve group comprises an electro-hydraulic reversing valve 5, and an inlet of the electro-hydraulic reversing valve 5 is connected with the three-way ball valve 2 through a high-level valve group filter 3. The high-level control valve group is connected with the controllable pitch propeller through an electro-hydraulic reversing valve 5.
The outlet of a first united pump in the triple pump group 1 is connected with the inlet A of the three-way ball valve 2; an outlet B of the three-way ball valve 2 is connected with an inlet of the high valve group filter 3; an outlet C of the three-way ball valve 2 is connected with the duplex filter 6; the three-way ball valve 2 is opened, the inlet A and the outlet B of the three-way ball valve 2 are communicated, and the inlet A and the outlet C of the three-way ball valve 2 are disconnected; and (3) closing the three-way ball valve 2, disconnecting the inlet A and the outlet B of the three-way ball valve 2, and connecting the inlet A and the outlet C of the three-way ball valve 2.
The outlet of the duplex filter 6 is connected with the inlet P of the electro-hydraulic reversing valve 9 and the proportional valve 8; inlets P of the reversing valve 9 and the proportional valve 8 are connected with a high-pressure port of the electromagnetic overflow valve 7; the outlets T of the reversing valve 9 and the proportional valve 8 are connected with the low-pressure port of the electromagnetic overflow valve 7; a low-pressure port of the electromagnetic overflow valve 7 is connected with an inlet of the oil tank after passing through an oil return filter; an outlet A of the electro-hydraulic reversing valve 5 is connected with an outlet A of the proportional valve 8 and an outlet A of the electro-hydraulic reversing valve 9; an outlet B of the electro-hydraulic reversing valve 5 is connected with an outlet B of the proportional valve 8 and an outlet B of the electro-hydraulic reversing valve 9; a B two ports are respectively connected with two cavities of the actuator oil cylinder.
The working process is as follows: the utility model discloses under the normal work trigeminy pump package 1 is by gear box drive work. The three-way ball valve 2 is closed, the inlet A and the outlet B of the three-way ball valve 2 are disconnected, the inlet A and the outlet C of the three-way ball valve 2 are connected, and hydraulic oil provided by the first pump of the triple pump set 1 flows to the double filter 6 through the outlet C of the three-way ball valve 2 and does not flow through the high control valve set. The hydraulic oil flow provided by the first pump of the triple pump set 1 is filtered by the duplex filter 6, and the overflow valve 7 limits the pressure of the hydraulic oil not to exceed a set value. The electro-hydraulic reversing valve 9 and the proportional valve 8 are respectively positioned at the middle position, the left position and the right position according to working requirements, and control the pitch-adjusting propellers to perform pitch-adjusting work.
When the main control valve group breaks down, the triple pump group 1 can continue to work. The three-way ball valve 2 is opened, the inlet A and the outlet B of the three-way ball valve 2 are connected, the inlet A and the outlet C of the three-way ball valve 2 are disconnected, and hydraulic oil provided by the first pump of the triple pump set 1 flows to the high-position control valve set through the outlet B of the three-way ball valve 2. The electromagnetic overflow valve 4 limits the pressure of the first connection of the triple pump set 1 not to exceed a set value; the electro-hydraulic reversing valve 5 is respectively positioned at the middle position, the left position and the right position according to working requirements, and controls the pitch-adjusting propeller to adjust the pitch.
Claims (4)
1. The utility model provides a redundant valve unit of controllable pitch oar hydraulic system, includes high valve unit, main control valve group, the trigeminy pump package of putting, its characterized in that: a first pump in the triple pump set is respectively connected with a high control valve group and a main control valve group through a three-way ball valve, the high control valve group and the main control valve group are respectively connected with an actuator oil cylinder of the controllable pitch propeller, when the triple pump set normally works, the three-way ball valve cuts off the connection between the first pump in the triple pump set and the high control valve group, the first pump supplies oil to the main control valve group, and the main control valve group controls the controllable pitch propeller to act; when the main control valve group breaks down, the three-way ball valve is switched to connect a first pump in the triple pump group with the high control valve group for controlling the action of the controllable pitch propeller.
2. The set of redundant control valves for a hydraulic system of a controllable pitch propeller of claim 1, wherein: the three-way ball valve is a three-position three-way control valve, and the outlet of a first pump in the triple pump set is connected with the inlet A of the three-way ball valve; the outlet B of the three-way ball valve is connected with the inlet of the high valve group filter; an outlet C of the three-way ball valve is connected with the duplex filter; opening the three-way ball valve, connecting an inlet A and an outlet B of the three-way ball valve, and disconnecting an inlet A and an outlet C of the three-way ball valve; and (4) closing the three-way ball valve, disconnecting the inlet A and the outlet B of the three-way ball valve, and connecting the inlet A and the outlet C of the three-way ball valve.
3. The set of redundant control valves for a hydraulic system of a controllable pitch propeller of claim 1, wherein: the high-level control valve group comprises an electro-hydraulic reversing valve, an inlet of the electro-hydraulic reversing valve is connected with the three-way ball valve through a high-level valve group filter, and the electro-hydraulic reversing valve is connected with an actuator oil cylinder of the controllable pitch propeller.
4. The set of redundant control valves for a hydraulic system of a controllable pitch propeller of claim 3, wherein: the main control valve group comprises an electro-hydraulic reversing valve and a proportional valve, the inlets P of the electro-hydraulic reversing valve and the proportional valve are connected with the outlet of the triple pump group through a duplex filter, and the inlets P of the reversing valve and the proportional valve are connected with the high-pressure port of the electromagnetic overflow valve; the outlets T of the reversing valve and the proportional valve are connected with a low-pressure port of the electromagnetic overflow valve; the low-pressure port of the electromagnetic overflow valve is connected with the inlet of the oil tank after passing through the oil return filter; an outlet A of the electro-hydraulic reversing valve is connected with the proportional valve and an outlet A of the electro-hydraulic reversing valve; an outlet B of the electro-hydraulic reversing valve is connected with the proportional valve and an outlet B of the electro-hydraulic reversing valve; and outlets A and B of the electro-hydraulic reversing valve, the proportional valve and the electro-hydraulic reversing valve are respectively connected with two cavities of the actuator oil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477172.6U CN210034002U (en) | 2019-04-10 | 2019-04-10 | Redundancy control valve group of hydraulic system of controllable pitch propeller |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920477172.6U CN210034002U (en) | 2019-04-10 | 2019-04-10 | Redundancy control valve group of hydraulic system of controllable pitch propeller |
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| CN210034002U true CN210034002U (en) | 2020-02-07 |
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| CN201920477172.6U Active CN210034002U (en) | 2019-04-10 | 2019-04-10 | Redundancy control valve group of hydraulic system of controllable pitch propeller |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915431A (en) * | 2019-04-10 | 2019-06-21 | 中国船舶重工集团公司第七0四研究所 | Tuning for Controllable Pitch Propeller hydraulic system Redundant Control valve group |
-
2019
- 2019-04-10 CN CN201920477172.6U patent/CN210034002U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109915431A (en) * | 2019-04-10 | 2019-06-21 | 中国船舶重工集团公司第七0四研究所 | Tuning for Controllable Pitch Propeller hydraulic system Redundant Control valve group |
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