CN201547061U - Variable-frequency control type hydraulic steering engine driving device - Google Patents
Variable-frequency control type hydraulic steering engine driving device Download PDFInfo
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- CN201547061U CN201547061U CN2009201258231U CN200920125823U CN201547061U CN 201547061 U CN201547061 U CN 201547061U CN 2009201258231 U CN2009201258231 U CN 2009201258231U CN 200920125823 U CN200920125823 U CN 200920125823U CN 201547061 U CN201547061 U CN 201547061U
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- valve block
- main oil
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- plunger pump
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Abstract
The utility model discloses a variable-frequency control type hydraulic steering engine driving device, belonging to a hydraulic device, aiming at providing a hydraulic steering engine driving device which has small volume, reliable oil-liquid direction change and convenient flow adjustment, and comprising an integrated valve block, a motor pump group and a driving motor, wherein the motor pump group (22) consists of a motor (2) and a plunger pump (3); the integrated valve block (14) is internally provided with a main oil channel (9) and two auxiliary oil channels; the main oil channel is respectively connected with all the auxiliary oil channels by first one-way valves (6); all the auxiliary oil channels are internally provided with second one-way valves (12); hydraulic control one-way valves (13) are arranged among all the second one-way valves (12) and the main oil channel (9); the plunger pump (3) is connected with the driving motor (15) by oil channels; and an oil-absorbing port of the pump is communicated with a pressurizing oil tank (20) by the main oil channel (9). The variable-frequency control type hydraulic steering engine driving device not only can adjust and control the flow, but also has simple oil-way structure, and is an ideal device for driving a steering engine of a ship to act.
Description
Technical field:The utility model relates to a kind of hydraulic pressure installation, relates in particular to a kind of hydraulic pressure installation by the action of Frequency Converter Control ship steering engine.
Background technique:Traditional hydraulic sterring engine drive unit generally all is to adopt a slippage pump that system is carried out the repairing supercharging separately, system's oil sources is provided by independent fuel tank, not only there are defectives such as complicated integral structure, boundary dimension be big, and for required forward and reverse fluid being provided for the steering wheel drive motor, usually adopt selector valve to change the fluid direction, therefore need the extra connecting pipeline that increases, simultaneously to the also corresponding raising of the performance requirement of selector valve; In addition, because the drive motor rotating speed is not easy to regulate, be constant output by the flow of the energy pump of its drive, therefore can not satisfy the requirement that the oil hydraulic motor working flow changes, thereby the requirement that does not reach the steering wheel movement speed does not reach purpose of energy saving simultaneously yet.
Summary of the invention:At the above-mentioned defective that exists in the prior art, the utility model aims to provide that a kind of volume is little, in light weight, simple in structure, the fluid commutation is reliable, Flow-rate adjustment VFC formula hydraulic sterring engine drive unit easily.
To achieve these goals, the utility model by the following technical solutions: it comprises integrated valve block, the electric-motor pump group and the drive motor that are communicated with this integrated valve block; The electric-motor pump group is by constituting with the motor of frequency variator electrical connection, the plunger pump that is connected with this motor, be provided with main oil gallery, the first secondary oil duct and the second secondary oil duct in the integrated valve block, main oil gallery is connected with above-mentioned two secondary oil ducts respectively by one first one-way valve separately, respectively be provided with one second one-way valve in above-mentioned two secondary oil ducts, respectively be provided with Pilot operated check valve between outlet of each second one-way valve and the main oil gallery; Two hydraulic fluid ports of plunger pump are connected with two hydraulic fluid ports of drive motor by above-mentioned two secondary oil ducts respectively, and the return opening of plunger pump is communicated with the return opening of drive motor, and the inlet port of plunger pump is communicated with pressurized fuel tank by main oil gallery.
The front end of each second one-way valve is provided with the adjusting relief valve that main oil gallery is communicated with the first secondary oil duct, the second secondary oil duct respectively separately; Integrated valve block be provided with two with the pressure gauge of regulating the corresponding connection of relief valve; Integrated valve block is provided with the oil filter that is communicated with main oil gallery; Integrated valve block is provided with pressure-relief valve, and this pressure-relief valve is connected in parallel on the two ends of oil filter; Pressurized fuel tank is provided with the fuel tank air escape cock, and integrated valve block is provided with the system deflation switch, and this system deflation switch simultaneously and main oil gallery, be connected the return tube soft pipe connection between plunger pump return opening and the drive motor return opening.
Compared with the prior art, the utility model makes that whole system is a closed cycle, thereby has omitted the slippage pump in the conventional hydraulic steering wheel drive unit owing to adopted technique scheme, so overall structure is simple more compact; In addition,, therefore omitted elements such as selector valve, not only simplified oil channel structures, but also improved the reliability of device owing to adopted frequency variator to change turning to of motor; The 3rd, owing to be provided with the adjusting relief valve, therefore can realize the adjusting control of flow, thus the convenient requirement that realizes the different movement speedes of steering wheel.
Description of drawings:
Fig. 1 is a hydraulic principle structural representation of the present utility model.
Among the figure: frequency variator 1 motor 2 plunger pumps 3 connect flexible pipe 4 first secondary oil duct 5 first one-way valves 6 oil filters 7 pressure-relief valves 8 main oil gallerys 9 pressure gauges 10 and regulate relief valve 11 second one-way valves 12 Pilot operated check valves 13 integrated valve blocks 14 drive motors 15 return tubes soft 16 second secondary oil duct 17 system deflation switches 18 fuel tank air escape cockes 19 pressurized fuel tanks 20 quick release couplings 21 electric-motor pump groups 22
Embodiment:The utility model is described in further detail below in conjunction with accompanying drawing and specific embodiment:
As shown in Figure 1: electric-motor pump group 22 is by constituting with the motor 2 of frequency variator 1 electrical connection, the plunger pump 3 that is connected with this motor by coupling, and integrated valve block 14 inside are provided with main oil gallery 9, first secondary oil duct 5, the second secondary oil duct 17 and the many branch road oil ducts.Integrated valve block 14 is provided with two first one-way valves 6, one of them first one-way valve 6 by described branch road oil duct with main oil gallery 9 be connected with the first secondary oil duct 5, another first one-way valve 6 passes through an other branch road oil duct main oil gallery 9 is connected with the second secondary oil duct 17; Integrated valve block 14 is provided with two second one-way valves 12, and one of them second one-way valve 12 is connected in the first secondary oil duct 5, another one second one-way valve 12 is connected in the second secondary oil duct 17; Also be provided with two Pilot operated check valves 13 that play the pressurize effect on the integrated valve block 14, one end of this two Pilot operated check valve is connected with main oil gallery 9 with the corresponding 12 outlet end connections of second one-way valve, the other end respectively, and the guide oil control end correspondence of this two Pilot operated check valve is connected on first secondary oil duct 5, the second secondary oil duct 17.Two hydraulic fluid ports of plunger pump 3 are respectively by an end corresponding connection of two connection flexible pipes 4 with first secondary oil duct 5, the second secondary oil duct 17, two hydraulic fluid ports of drive motor 15 are respectively by the other end corresponding connection of other two connection flexible pipes 4 with first secondary oil duct 5, the second secondary oil duct 17, the return opening of plunger pump 3 is communicated with the return opening of drive motor 15 by return tube soft 16, and the inlet port of plunger pump 3 is communicated with pressurized fuel tank 20 by the fuel sucking pipe with main oil gallery 9 connections.
For the ease of regulating the charge oil pressure of drive motor 15, be provided with two adjusting relief valves 11 on integrated valve block 14, one of them regulates between the first secondary oil duct 5 that relief valve 11 is connected main oil gallery 9 and second one-way valve, 12 front ends, another adjusting relief valve 11 is connected between the second secondary oil duct 17 of main oil gallery 9 and another one second one-way valve 12 front ends; For the ease of oil pressure is monitored, on integrated valve block 14, be provided with two pressure gauges 10 with two adjusting relief valve 11 corresponding connections.
Enter system for fear of impurity, on integrated valve block 14, be provided with the oil filter 7 that is communicated with main oil gallery 9; In order to guarantee the safety of oil filter 7, on integrated valve block 14, be provided with pressure-relief valve 8, this pressure-relief valve is connected in parallel on the two ends of oil filter 7.
Enter, improve reliability for fear of air, pressurized fuel tank 20 is provided with fuel tank air escape cock 19; Integrated valve block 14 is provided with system deflation switch 18, and this system deflation switch is communicated with simultaneously with main oil gallery 9, return tube flexible pipe 16.Repairing for convenience, quick release coupling 21 on pressurized fuel tank 20.
Working principle: when motor 2 is rotated in the forward, plunger pump 3 is rotated in the forward, fluid flows out from a hydraulic fluid port of this plunger pump, connection flexible pipe 4 through being connected first secondary oil duct 5 left ends enters this pair oil duct, fluid backs down second one-way valve 12 in this pair oil duct and enters drive motor 5 after be connected the connection flexible pipe 4 of first secondary oil duct 5 right-hand members, this drive motor forward work; Fluid flows out from another hydraulic fluid port of drive motor 5, the flexible pipe 4 that connects through being connected second secondary oil duct 17 right-hand members enters this pair oil duct, flow through the Pilot operated check valve 13 that is connected between the second secondary oil duct 17 and the main oil gallery 9 then and enter main oil gallery 9, flow back to plunger pump 3 by oil filter 7 at last.
When motor 2 counterrotatings, plunger pump 3 counterrotatings, fluid flows out from another hydraulic fluid port of this plunger pump, connection flexible pipe 4 through being connected second secondary oil duct 17 left ends enters this pair oil duct, fluid backs down second one-way valve 12 in this pair oil duct and enters drive motor 5 after be connected the connection flexible pipe 4 of second secondary oil duct 17 right-hand members, this drive motor reverse operation; Fluid flows out from another hydraulic fluid port of drive motor 5, the flexible pipe 4 that connects through being connected first secondary oil duct 5 right-hand members enters this pair oil duct, flow through the Pilot operated check valve 13 that is connected between the first secondary oil duct 5 and the main oil gallery 9 then and enter main oil gallery 9, flow back to plunger pump 3 by oil filter 7 at last.
Claims (8)
1. a VFC formula hydraulic sterring engine drive unit comprises integrated valve block, the electric-motor pump group and the drive motor that are communicated with this integrated valve block; It is characterized in that: electric-motor pump group (22) is by constituting with the motor (2) of frequency variator (1) electrical connection, the plunger pump (3) that is connected with this motor, be provided with main oil gallery (9), the first secondary oil duct (5) and the second secondary oil duct (17) in the integrated valve block (14), main oil gallery (9) is connected with above-mentioned two secondary oil ducts respectively by one first one-way valve (6) separately, respectively be provided with one second one-way valve (12) in above-mentioned two secondary oil ducts, respectively be provided with Pilot operated check valve (13) between outlet of each second one-way valve (12) and the main oil gallery (9); Two hydraulic fluid ports of plunger pump (3) are connected with two hydraulic fluid ports of drive motor (15) by above-mentioned two secondary oil ducts respectively, the return opening of plunger pump (3) is communicated with the return opening of drive motor (15), and the inlet port of plunger pump (3) is communicated with pressurized fuel tank (20) by main oil gallery (9).
2. VFC formula hydraulic sterring engine drive unit according to claim 1 is characterized in that: the front end of each second one-way valve (12) is provided with the adjusting relief valve (11) that main oil gallery (9) is communicated with the first secondary oil duct (5), the second secondary oil duct (17) respectively separately.
3. VFC formula hydraulic sterring engine drive unit according to claim 2 is characterized in that: integrated valve block (14) be provided with two with the pressure gauge (10) of regulating the corresponding connection of relief valve (11).
4. according to claim 1 or 2 or 3 described VFC formula hydraulic sterring engine drive units, it is characterized in that: integrated valve block (14) is provided with the oil filter (7) that is communicated with main oil gallery (9).
5. VFC formula hydraulic sterring engine drive unit according to claim 4, it is characterized in that: integrated valve block (14) is provided with pressure-relief valve (8), and this pressure-relief valve is connected in parallel on the two ends of oil filter (7).
6. according to claim 1 or 2 or 3 described VFC formula hydraulic sterring engine drive units, it is characterized in that: pressurized fuel tank (20) is provided with fuel tank air escape cock (19), integrated valve block (14) is provided with system deflation switch (18), this system deflation switch simultaneously with main oil gallery (9), be connected plunger pump (3) return opening and be communicated with return tube flexible pipe (16) between drive motor (15) return opening.
7. VFC formula hydraulic sterring engine drive unit according to claim 4, it is characterized in that: pressurized fuel tank (20) is provided with fuel tank air escape cock (19), integrated valve block (14) is provided with system deflation switch (18), this system deflation switch simultaneously with main oil gallery (9), be connected plunger pump (3) return opening and be communicated with return tube flexible pipe (16) between drive motor (15) return opening.
8. VFC formula hydraulic sterring engine drive unit according to claim 5, it is characterized in that: pressurized fuel tank (20) is provided with fuel tank air escape cock (19), integrated valve block (14) is provided with system deflation switch (18), this system deflation switch simultaneously with main oil gallery (9), be connected plunger pump (3) return opening and be communicated with return tube flexible pipe (16) between drive motor (15) return opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201258231U CN201547061U (en) | 2009-11-17 | 2009-11-17 | Variable-frequency control type hydraulic steering engine driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201258231U CN201547061U (en) | 2009-11-17 | 2009-11-17 | Variable-frequency control type hydraulic steering engine driving device |
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| Publication Number | Publication Date |
|---|---|
| CN201547061U true CN201547061U (en) | 2010-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201258231U Expired - Lifetime CN201547061U (en) | 2009-11-17 | 2009-11-17 | Variable-frequency control type hydraulic steering engine driving device |
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| CN (1) | CN201547061U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105156411A (en) * | 2015-10-21 | 2015-12-16 | 中船重工重庆智能装备工程设计有限公司 | Novel hydraulic servo system of full-rotating rudder propeller |
| CN105247226A (en) * | 2014-02-13 | 2016-01-13 | 麦基嘉哈特拉帕两合公司 | Rudder driving system and method |
| CN107084824A (en) * | 2017-03-20 | 2017-08-22 | 上海大学 | A kind of hydraulic fitting vibration testing device |
-
2009
- 2009-11-17 CN CN2009201258231U patent/CN201547061U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105247226A (en) * | 2014-02-13 | 2016-01-13 | 麦基嘉哈特拉帕两合公司 | Rudder driving system and method |
| 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 |
| CN105156411A (en) * | 2015-10-21 | 2015-12-16 | 中船重工重庆智能装备工程设计有限公司 | Novel hydraulic servo system of full-rotating rudder propeller |
| CN105156411B (en) * | 2015-10-21 | 2017-05-24 | 中船重工重庆智能装备工程设计有限公司 | Novel hydraulic servo system of full-rotating rudder propeller |
| CN107084824A (en) * | 2017-03-20 | 2017-08-22 | 上海大学 | A kind of hydraulic fitting vibration testing device |
| CN107084824B (en) * | 2017-03-20 | 2019-06-25 | 上海大学 | A kind of hydraulic fitting vibration testing device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151015 Address after: Wudang District new village of Beiya village 550018 Guizhou province Guiyang City 102 Building 1 layer, 2 layer 113 Building No. 1 Patentee after: Liyuan Hydraulic System (Guiyang) Co., Ltd. Address before: 550018 Guizhou Province, Guiyang city Wudang District Beiya New Village Road No. 501 Patentee before: Liyuan Hydraulic Co., Ltd. of Aviation Industry Corporation of China |
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| CX01 | Expiry of patent term |
Granted publication date: 20100811 |
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| CX01 | Expiry of patent term |