CN206816575U - propeller hydraulic system - Google Patents

propeller hydraulic system Download PDF

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Publication number
CN206816575U
CN206816575U CN201720302430.8U CN201720302430U CN206816575U CN 206816575 U CN206816575 U CN 206816575U CN 201720302430 U CN201720302430 U CN 201720302430U CN 206816575 U CN206816575 U CN 206816575U
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CN
China
Prior art keywords
pipeline
valve
hydraulic
pump
oil groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201720302430.8U
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Chinese (zh)
Inventor
郑海强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing Elm Hydraulic Co Ltd
Original Assignee
Nanjing Elm Hydraulic Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing Elm Hydraulic Co Ltd filed Critical Nanjing Elm Hydraulic Co Ltd
Priority to CN201720302430.8U priority Critical patent/CN206816575U/en
Application granted granted Critical
Publication of CN206816575U publication Critical patent/CN206816575U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of propeller hydraulic system,Belong to propeller field,Aim to provide a kind of propeller hydraulic system,The advantages of with the hydraulic oil accumulated in cleaning position,Its drip irrigation device is that the solenoid directional control valve has been respectively communicated with positive pipeline and anti-pipeline away from one end of pump,Tee ball valve is equipped with the positive pipeline and anti-pipeline,The one outlet of the tee ball valve on positive pipeline is connected with the return duct one for being passed through hydraulic pressure oil groove,Another outlet is connected with the operating position of forward direction,The one outlet of the tee ball valve on anti-pipeline is connected with the return duct two for being passed through hydraulic pressure oil groove,Another outlet is connected with reverse operating position,It is described to be just connected with airway tube between pipeline and anti-pipeline,The both ends of the airway tube are equipped with stop valve,The airway tube is communicated with appendix between two stop valves.

Description

Propeller hydraulic system
Technical field
Propeller field is the utility model is related to, more particularly to a kind of propeller hydraulic system.
Background technology
The propeller of ship has two kinds, first, adjustable pitch propeller has blade, Jiang Grains mechanisms, oil distributor, hydraulic system And the five big part such as electric-control system or system composition.Second, traditional constant pitch airscrew, spacing oar does not have oil distributor etc., structure letter It is single many.
Publication No. CN102530214A Chinese patent discloses a kind of hydraulic device for adjustable-pitch propeller with shaft-type oil distributor, bag Include solenoid directional control valve, safety valve, counterbalance valve, check valve, bidirectional locking valve, oil distributor, displacement oil cylinder, switch valve, hydraulic power Device, the rod chamber and rodless cavity of the displacement oil cylinder meet bidirectional locking valve, the oil-out A and oil-out of the oil distributor respectively B is connected with check valve, solenoid directional control valve respectively, and oil-out C is set up on the oil-out A of the oil distributor same chamber, described with oil Set up oil-out D, described oil-out C, D on the oil-out B of device same chamber to connect with switch valve oil inlet respectively, switch valve Oil-out, pass to the fuel tank of hydraulic power unit.Hydraulic oil is entered in operating position by each oil-out, is changing liquid , it is necessary to clear up the fluid accumulated in operating position during force feed, and the hydraulic means does not have purging system.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of propeller hydraulic system, tool There is the advantages of hydraulic oil accumulated in cleaning position.
To achieve the above object, the utility model provides following technical scheme:A kind of propeller hydraulic system, including liquid Pressure oil groove and the transfer tube connected with hydraulic pressure oil groove, the transfer tube are provided with pump and solenoid directional control valve, and the electromagnetism changes Positive pipeline and anti-pipeline have been respectively communicated with away from one end of pump to valve, tee ball valve is equipped with the positive pipeline and anti-pipeline, The one outlet of the tee ball valve on positive pipeline is connected with the return duct one for being passed through hydraulic pressure oil groove, another outlet with just To operating position connect, the one outlet of the tee ball valve on anti-pipeline is connected with the return duct for being passed through hydraulic pressure oil groove Two, another outlet is connected with reverse operating position, described that airway tube, the air guide are just connected between pipeline and anti-pipeline The both ends of pipe are equipped with stop valve, and the airway tube is communicated with appendix between two stop valves.
By using above-mentioned technical proposal, the hydraulic oil in hydraulic pressure oil groove is extracted into transfer tube by pump, and solenoid directional control valve will Hydraulic oil switching in transfer tube is delivered in positive pipeline or in anti-pipeline, the tee ball valve difference on positive pipeline and anti-pipeline Hydraulic oil is passed through each operating position to meet need of work, opens stop valve during cleaning position so that in airway tube Gas be passed through in tee ball valve, now adjust tee ball valve each operating position is connected with return duct one and return duct two It is logical, in order to which the hydraulic oil of operating position is passed through in hydraulic pressure oil groove, tee ball valve is then adjusted by positive pipeline and anti-pipeline point Do not connected with return duct one or return duct two, hydraulic pressure oil groove is first blown into beneficial to by the hydraulic oil in positive pipeline or anti-pipeline It is interior, reduce the waste of hydraulic oil, be afterwards connected the outlet of tee ball valve with each operating position so that the gas in airway tube Operating position is cleaned.
The utility model is further arranged to:The transfer tube is communicated with and hydraulic pressure oil groove between pump and solenoid directional control valve The overflow pipe of connection, the overflow pipe are provided with overflow valve.
By using above-mentioned technical proposal, when the pressure in transfer tube exceedes the setting pressure of overflow valve, overflow valve is beaten Open, and then unnecessary hydraulic oil is passed through in hydraulic pressure oil groove, overflow valve have adjusted the pressure of whole hydraulic system so that be passed through each Oil pressure in individual operating position is stable.
The utility model is further arranged to:The transfer tube is provided with what controlling pump rotated between pump and solenoid directional control valve Pressure switch one.
By using above-mentioned technical proposal, when the hydraulic fluid pressure in hydraulic system exceedes safety value, pressure switch is sent out Go out signal controlling pump to be stopped, and then stop the supply to hydraulic oil in hydraulic system, whole system is played a protective role.
The utility model is further arranged to:The transfer tube is communicated with and hydraulic pressure oil groove between pump and solenoid directional control valve The prionotron of connection, the prionotron are provided with flow speed control valve.
By using above-mentioned technical proposal, flow speed control valve can adjust the pressure into the hydraulic oil of each operating position, pressure The adjustment of power relies primarily on the decision of flow speed control valve openings of sizes, and pressure is relatively low when being open big, and then causes operating position hydraulic pressure The pressure of oil is smaller and make it that operating position operating rate is smaller.
The utility model is further arranged to:The positive pipeline is provided with control solenoid directional control valve close to the import of tee ball valve The pressure switch two of commutation, the anti-pipeline close to tee ball valve import be provided with control solenoid directional control valve commutation pressure after Electrical equipment three.
By using above-mentioned technical proposal, when hydraulic oil is passed through each operating position, operating position goes to machinery in stroke During spacing top, the pressure of hydraulic oil can continue to raise, when the hydraulic fluid pressure in positive pipeline reaches the pre- of pressure switch two During first set point, pressure switch two will control solenoid directional control valve that hydraulic oil is passed through in anti-pipeline, similarly in anti-pipeline When hydraulic fluid pressure reaches the preset value of pressure switch three, pressure switch three will control solenoid directional control valve by hydraulic pressure Oil is passed through in positive pipeline, the combined use of pressure switch two and pressure switch three so that hydraulic system can be automatic reciprocating Work, is realized unattended.
The utility model is further arranged to:Pressure gauge is equipped with the positive pipeline and anti-pipeline.
By using above-mentioned technical proposal, pressure gauge can intuitively observe pressure switch two and pressure switch three Pressure value during work on positive pipeline and anti-pipeline, beneficial to statistic record.
The utility model is further arranged to:Liquid level sensor is provided with the hydraulic pressure oil groove, the liquid level sensor connects It is connected to alarm.
By using above-mentioned technical proposal, as the hydraulic oil in hydraulic pressure oil groove is passed through in transfer tube in hydraulic pressure oil groove by pump Hydraulic oil continuous decrease, liquid level sensor, level sensing are triggered when the liquid level in hydraulic pressure oil groove drops to certain position Device is passed the signal along on alarm, is reminded the The hydraulic oil in operator's hydraulic pressure oil groove to reduce, is prevented pump suction.
The utility model is further arranged to:The transfer tube is provided with filter in pump away from the side of solenoid directional control valve.
By using above-mentioned technical proposal, filter is filtered the hydraulic oil entered in pump, is reduced in hydraulic oil Impurity enters in pump, beneficial to the use of pump.
Compared with prior art, the utility model has the advantages that:Three set on positive pipeline and anti-pipeline Pass ball valve, first positive pipeline and anti-pipeline are connected with return duct one and return duct two respectively, first will beneficial to the gas in airway tube Hydraulic oil in positive pipeline and anti-pipeline is passed through in return duct one and return duct two, afterwards by tee ball valve and each operating position Connection, purges each operating position.
Brief description of the drawings
Fig. 1 is the structural representation of the present embodiment.
In figure, 1, hydraulic pressure oil groove;11st, transfer tube;12nd, pump;121st, filter;13rd, solenoid directional control valve;131st, positive pipeline; 1311st, return duct one;1312nd, pressure switch two;1313rd, pressure gauge;132nd, anti-pipeline;1321st, return duct two;1322nd, press Power relay three;133rd, tee ball valve;14th, airway tube;141st, stop valve;15th, appendix;16th, overflow pipe;161st, overflow valve; 17th, pressure switch one;18th, prionotron;181st, flow speed control valve;19th, liquid level sensor;191st, alarm.
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
A kind of propeller hydraulic system, such as Fig. 1, including hydraulic pressure oil groove 1 and the transfer tube 11 connected with hydraulic pressure oil groove 1, Transfer tube 11 is provided with pump 12 and solenoid directional control valve 13, and transfer tube 11 was provided with pump 12 away from the side of solenoid directional control valve 13 Filter 121, reduces the impurity entered in pump 12, and solenoid directional control valve 13 has been respectively communicated with the positive He of pipeline 131 away from one end of pump 12 Anti- pipeline 132, now entered by the i.e. adjustable hydraulic oil of solenoid directional control valve 13 in positive pipeline 131 and anti-pipeline 132, now existed Tee ball valve 133 is equipped with positive pipeline 131 and anti-pipeline 132, the one outlet of the tee ball valve 133 on positive pipeline 131 The return duct 1 for being passed through hydraulic pressure oil groove 1 is connected with, another outlet is connected with the operating position of forward direction, adjusts tee ball valve The flow direction of 133 i.e. controllable hydraulic oil, the one outlet of the tee ball valve 133 on anti-pipeline 132, which is connected with, is passed through hydraulic oil The return duct 2 1321 of groove 1, another outlet are connected with reverse operating position, in normal operating conditions, each three-way ball The outlet of valve 133 is connected with each operating position.
Such as Fig. 1, when needing to clear up the hydraulic oil in each operating position, connect between positive pipeline 131 and anti-pipeline 132 Airway tube 14 is connected to, the both ends of airway tube 14 are equipped with stop valve 141, and control respectively enters in positive pipeline 131 and anti-pipeline 132 Gas, airway tube 14 is communicated with appendix 15 between two stop valves 141, when opening stop valve 141, adjust three-way ball Valve 133 causes each operating position to be connected with return duct 1 and return duct 2 1321, in order to by the hydraulic pressure of operating position Oil is passed through in hydraulic pressure oil groove 1, then adjust tee ball valve 133 by positive pipeline 131 and anti-pipeline 132 respectively with return duct 1 Or return duct 2 1321 connects, and is first blown into hydraulic pressure oil groove 1 beneficial to by the hydraulic oil in positive pipeline 131 or anti-pipeline 132, Reduce the waste of hydraulic oil, be afterwards connected the outlet of tee ball valve 133 with each operating position so that the gas in airway tube 14 Body cleans to operating position.
Such as Fig. 1, overflowing of being connected with hydraulic pressure oil groove 1 is communicated between pump 12 and solenoid directional control valve 13 in transfer tube 11 in addition Flow tube 16, overflow pipe 16 are provided with overflow valve 161, are overflow when the pressure in transfer tube 11 exceedes the setting pressure of overflow valve 161 Stream valve 161 is opened, and then unnecessary hydraulic oil is passed through in hydraulic pressure oil groove 1, have adjusted the pressure in hydraulic system;Work as in addition When hydraulic fluid pressure in hydraulic system exceedes safety value suddenly, overflow valve 161 has little time to adjust, and now transfer tube 11 is in pump 12 The pressure switch 1 that controlling pump 12 rotates is provided between solenoid directional control valve 13, pressure switch 1 sends signal control Pump 12 is stopped, and then stops the supply to hydraulic oil in hydraulic system, and whole system is played a protective role.
Such as Fig. 1, when hydraulic oil, which enters each operating position, acts operating position, transfer tube 11 changes in pump 12 and electromagnetism To the prionotron 18 that is connected with hydraulic pressure oil groove 1 is communicated between valve 13, prionotron 18 is provided with flow speed control valve 181, now hydraulic oil Pressure adjustment rely primarily on the openings of sizes of flow speed control valve 181 decision, pressure is relatively low when being open big, so cause working position The pressure for putting hydraulic oil is smaller and make it that operating position operating rate is smaller.
Such as Fig. 1, in order to automatically adjust into the hydraulic oil in positive pipeline 131 and anti-pipeline 132, therefore in positive pipeline 131 pressure switches 2 1312 to be commutated close to the import of tee ball valve 133 provided with control solenoid directional control valve 13, and managed counter Road 132 is provided with the pressure switch 3 1322 of the control commutation of solenoid directional control valve 13 close to the import of tee ball valve 133, when positive pipeline When the stroke of the operating position of 131 connections goes to mechanical position limitation top, the pressure of hydraulic oil can continue to raise, and hydraulic fluid pressure reaches To pressure switch 2 1312 advance set point when, pressure switch 2 1312 will control solenoid directional control valve 13 by hydraulic oil It is passed through in anti-pipeline 132, now the operating position on anti-pipeline 132 is passed through hydraulic oil start-up operation, similarly in anti-pipeline 132 When hydraulic fluid pressure reaches the preset value of pressure switch 3 1322, pressure switch 3 1322 will control electromagnetic switch Hydraulic oil is passed through in positive pipeline 131 by valve 13, the combined use of pressure switch 2 1312 and pressure switch 3 1322 so that Hydraulic system can auto reciprocating, realize unattended, saved labour;In addition in positive pipeline 131 and anti-pipeline 132 On be equipped with pressure gauge 1313, intuitively can observe when pressure switch 2 1312 and pressure switch 3 1322 work just Pressure value on pipeline 131 and anti-pipeline 132, beneficial to statistic record.
Such as Fig. 1, as the hydraulic oil in hydraulic pressure oil groove 1 is passed through in transfer tube 11 by pump 12, the hydraulic oil in hydraulic pressure oil groove 1 Continuous decrease, liquid level sensor 19 is provided with hydraulic pressure oil groove 1 when the liquid level in hydraulic pressure oil groove 1 drops to certain position, because And liquid level sensor 19 is triggered, liquid level sensor 19 is connected with alarm 191, and liquid level sensor 19 passes the signal along to alarm On device 191, remind the The hydraulic oil in operator's hydraulic pressure oil groove 1 to reduce, prevent the suction of pump 12.
This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (8)

1. a kind of propeller hydraulic system, including hydraulic pressure oil groove(1)And with hydraulic pressure oil groove(1)The transfer tube of connection(11), institute State transfer tube(11)It is provided with pump(12)And solenoid directional control valve(13), it is characterized in that:The solenoid directional control valve(13)Away from pump (12)One end be respectively communicated with positive pipeline(131)With anti-pipeline(132), the positive pipeline(131)With anti-pipeline(132)It is upper equal Provided with tee ball valve(133), in positive pipeline(131)On the tee ball valve(133)One outlet be connected with and be passed through hydraulic pressure Oil groove(1)Return duct one(1311), another outlet is connected with the operating position of forward direction, in anti-pipeline(132)On it is described Tee ball valve(133)One outlet be connected with and be passed through hydraulic pressure oil groove(1)Return duct two(1321), another outlet with reversely Operating position connection, the positive pipeline(131)With anti-pipeline(132)Between be connected with airway tube(14), the airway tube (14)Both ends be equipped with stop valve(141), the airway tube(14)In two stop valves(141)Between be communicated with appendix (15).
2. propeller hydraulic system according to claim 1, it is characterized in that:The transfer tube(11)In pump(12)And electromagnetism Reversal valve(13)Between be communicated with and hydraulic pressure oil groove(1)The overflow pipe of connection(16), the overflow pipe(16)It is provided with overflow valve (161).
3. propeller hydraulic system according to claim 1, it is characterized in that:The transfer tube(11)In pump(12)And electromagnetism Reversal valve(13)Between be provided with controlling pump(12)The pressure switch one of rotation(17).
4. propeller hydraulic system according to claim 1, it is characterized in that:The transfer tube(11)In pump(12)And electromagnetism Reversal valve(13)Between be communicated with and hydraulic pressure oil groove(1)The prionotron of connection(18), the prionotron(18)It is provided with flow speed control valve (181).
5. propeller hydraulic system according to claim 1, it is characterized in that:The positive pipeline(131)Close to tee ball valve (133)Import be provided with control solenoid directional control valve(13)The pressure switch two of commutation(1312), the anti-pipeline(132)It is close Tee ball valve(133)Import be provided with control solenoid directional control valve(13)The pressure switch three of commutation(1322).
6. propeller hydraulic system according to claim 5, it is characterized in that:The positive pipeline(131)With anti-pipeline(132) On be equipped with pressure gauge(1313).
7. propeller hydraulic system according to claim 1, it is characterized in that:The hydraulic pressure oil groove(1)The interior liquid level that is provided with passes Sensor(19), the liquid level sensor(19)It is connected with alarm(191).
8. propeller hydraulic system according to claim 1, it is characterized in that:The transfer tube(11)In pump(12)Away from electricity Magnetic reversal valve(13)Side be provided with filter(121).
CN201720302430.8U 2017-03-25 2017-03-25 propeller hydraulic system Expired - Fee Related CN206816575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720302430.8U CN206816575U (en) 2017-03-25 2017-03-25 propeller hydraulic system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720302430.8U CN206816575U (en) 2017-03-25 2017-03-25 propeller hydraulic system

Publications (1)

Publication Number Publication Date
CN206816575U true CN206816575U (en) 2017-12-29

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ID=60751781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720302430.8U Expired - Fee Related CN206816575U (en) 2017-03-25 2017-03-25 propeller hydraulic system

Country Status (1)

Country Link
CN (1) CN206816575U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
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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Granted publication date: 20171229