CN109533250A - A kind of tuning for Controllable Pitch Propeller emergency set - Google Patents

A kind of tuning for Controllable Pitch Propeller emergency set Download PDF

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Publication number
CN109533250A
CN109533250A CN201910006725.4A CN201910006725A CN109533250A CN 109533250 A CN109533250 A CN 109533250A CN 201910006725 A CN201910006725 A CN 201910006725A CN 109533250 A CN109533250 A CN 109533250A
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CN
China
Prior art keywords
oil
oil duct
screw rod
tuning
chamber
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Granted
Application number
CN201910006725.4A
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Chinese (zh)
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CN109533250B (en
Inventor
胡哲
陈翔
刘端
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Wuhan Marine Machinery Plant Co Ltd
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Wuhan Marine Machinery Plant Co Ltd
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Priority to CN201910006725.4A priority Critical patent/CN109533250B/en
Publication of CN109533250A publication Critical patent/CN109533250A/en
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Publication of CN109533250B publication Critical patent/CN109533250B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H3/00Propeller-blade pitch changing
    • B63H3/06Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63HMARINE PROPULSION OR STEERING
    • B63H3/00Propeller-blade pitch changing
    • B63H3/06Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical
    • B63H3/08Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid
    • B63H2003/088Propeller-blade pitch changing characterised by use of non-mechanical actuating means, e.g. electrical fluid characterised by supply of fluid actuating medium to control element, e.g. of hydraulic fluid to actuator co-rotating with the propeller

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a kind of tuning for Controllable Pitch Propeller emergency sets.The device includes that tuning for Controllable Pitch Propeller emergency set includes emergency organization, oil distributor and connecting tube.Emergency organization includes driving screw rod, thrust bearing and the rotating nuts with driving screw rod cooperation, and one end of screw rod is driven to be fixedly connected with connecting tube, and the other end of screw rod is driven to be pierced by oil distributor, and rotating nuts are arranged in driving screw rod and are pierced by the shaft of oil distributor.The device further includes control assembly and roll adjustment chamber, and roll adjustment chamber is divided into positive vehicle chamber and reversing chamber.Control assembly includes spool and piston rod.The second connection oil duct is equipped in the connecting tube, it drives and is equipped with third connecting oil duct in screw rod, oil duct also is provided on spool and piston, realize that pressure oil enters positive vehicle chamber from the third connecting oil duct of driving screw rod, to push piston to realize the roll adjustment of blade, blade is made to be in positive parking stall.When solving realization emergency roll adjustment in the prior art, the big problem of the tensile stress that driving screw rod is subject to.

Description

A kind of tuning for Controllable Pitch Propeller emergency set
Technical field
The present invention relates to Ship Propeling technical field, in particular to a kind of tuning for Controllable Pitch Propeller emergency set.
Background technique
Tuning for Controllable Pitch Propeller is a kind of Ship Propeling form being widely used at present, and maximum feature is by adjusting blade screw pitch To change the route speed of ship.Under normal circumstances, the hydraulic oil that the power of tuning for Controllable Pitch Propeller displacement is provided from hydraulic system, but work as When hydraulic system fault, displacement hydraulic oil cannot be provided to tuning for Controllable Pitch Propeller, tuning for Controllable Pitch Propeller can not achieve displacement function, so as to cause ship It is unable to normal/cruise, or even loses the power of advance, in this case it is necessary to a kind of emergency set be taken, to realize roll adjustment Paddle displacement function, enables ship smoothly to make a return voyage.
Tuning for Controllable Pitch Propeller emergency set in the prior art includes oil distributor, is movably set in oil distributor for driving tuning for Controllable Pitch Propeller The valve core rod of displacement.The device further includes driving screw rod and rotating nuts, drives axial one end of screw rod and the fixed company of valve core rod It connects, the axial other end of screw rod is driven to be pierced by oil distributor, rotating nuts are rotatably set on the shell of oil distributor.In use, Rotating nuts rotate under the driving of external force, due to rotating nuts and driving screw rod be threadedly engaged, rotating nuts and Driving screw rod can generate axial driving force during threads turn, which acts on to oil distributor, and with oil Device is fixed setting, this just forces driving screw rod to move axially, and valve core rod is fixedly connected with driving screw rod, because This, driving screw rod can drive valve core rod to be axially moved along oil distributor, and generate axial tension, which is transferred to roll adjustment On oarage.
But during roll adjustment, only valve core rod movement is driven entire roll adjustment oarage to be driven to be displaced with driving screw rod, Keep the tensile stress for driving screw rod to be subject to very big.Rotating nuts will receive very big resistance, emergency operation in rundown process Very slowly, the problem of resistance that rotating nuts are subject to is big, also results in ablation between rotating nuts and driving screw rod.
Summary of the invention
When in order to solve to realize emergency roll adjustment in the prior art, the big problem of the tensile stress that driving screw rod is subject to, the present invention Embodiment provides a kind of tuning for Controllable Pitch Propeller emergency set.The technical solution is as follows:
The embodiment of the present invention provides a kind of tuning for Controllable Pitch Propeller emergency set, and the tuning for Controllable Pitch Propeller emergency set includes emergency organization, matches Oily device and the connecting tube being arranged in the oil distributor;
The emergency organization includes driving screw rod and the rotating nuts with the driving screw rod cooperation, the driving screw rod One end be fixedly connected with one end of the connecting tube, it is described driving screw rod the other end be pierced by the oil distributor, the rotation Nut is arranged in the driving screw rod and is pierced by the shaft of the oil distributor, and the rotating nuts are resisted against the oil distributor On shell;
The tuning for Controllable Pitch Propeller emergency set further includes control assembly and roll adjustment chamber, and the control assembly includes spool, piston rod And piston bush, the piston bush is intracavitary in the roll adjustment, and the roll adjustment chamber is separated to be positive vehicle chamber and reversing chamber, the piston It is sheathed on one end of the piston rod, the other end of the piston rod is slidably disposed through the cavity wall of the roll adjustment chamber, the work One end that stopper rod passes through the roll adjustment chamber is equipped with spool bore, the spool be slidably positioned in the spool bore and with the company The other end of adapter tube is coaxially connected, and the spool is equipped with the first connection oil duct, the first positive vehicle oil duct and the first reversing oil duct, institute The first connection oil duct is stated be connected to the described first positive vehicle oil duct and the first reversing oil duct simultaneously, in the piston rod equipped with Second positive vehicle oil duct of the positive vehicle chamber connection and the second reversing oil duct being connected to the reversing chamber;
When the spool slides into first position in the spool bore, the first positive vehicle oil duct and the described second positive vehicle Oil duct connection, when the spool slides into the second position in the spool bore, the first reversing oil duct falls with described second The connection of vehicle oil duct;
It is equipped with the second connection oil duct in the connecting tube, equipped with third connecting oil duct in the driving screw rod, described first Connection oil duct, the second connection oil duct and the third connecting oil duct are sequentially communicated.
Optionally, the tuning for Controllable Pitch Propeller emergency set further includes propeller hub chamber, and the piston rod is pierced by one end of the roll adjustment chamber Equipped with guide groove, and the piston rod is pierced by one end of roll adjustment chamber to be placed in the propeller hub intracavitary, the propeller hub is intracavitary be equipped with The guide post that the guide groove matches.
Optionally, the tuning for Controllable Pitch Propeller emergency set further includes transmission shaft and connecting shaft, and one end of the transmission shaft connects paddle The other end of the shell of hub chamber, the transmission shaft is connect by the even connecting shaft with the oil distributor, and the connecting tube It is coaxially placed in the transmission shaft and the connecting shaft, forms between the connecting tube and the transmission shaft and the connecting shaft One drainback passage, the guide post be equipped with through-hole, the connecting tube pass through the guide post through-hole, the connecting tube with it is described The second drainback passage is formed between guide post, and the first back oil road is additionally provided on the spool, is additionally provided with second on the piston rod Back oil road, second back oil road, the guide groove, second drainback passage and first drainback passage are sequentially communicated;
When the first positive vehicle oil duct is connected to the described second positive vehicle oil duct, second back oil road, first oil return Road and the second reversing oil duct are sequentially communicated;
When the first reversing oil duct is connected to the second reversing oil duct, second back oil road, first oil return Road and the second positive vehicle oil duct are sequentially communicated.
Optionally, first back oil road spool across the described first positive vehicle oil duct and the first reversing oil duct Wall surface, first back oil road are ring shaped oil passage, and second back oil road is being located at the second reversing oil duct and described second just Between vehicle oil duct, first back oil road is less than the described second positive vehicle oil duct and described second in the upward width of the poppet shaft The distance between reversing oil duct.
Optionally, support plate is equipped between the inner wall of the transmission shaft and the outer wall of the connecting tube.
Optionally, the tuning for Controllable Pitch Propeller emergency set further includes transfer tube, and the transfer tube is described with the driving screw rod The connection of third connecting oil duct.
Optionally, one end that the driving screw rod is pierced by the oil distributor is equipped with quick-release connector, and the quick-release connector is used for It is connected to the transfer tube and the third connecting oil duct.
Optionally, the emergency organization further includes thrust bearing, the thrust bearing be set to the rotating nuts with it is described Between oil distributor, and the thrust bearing is resisted against on the shell of oil distributor.
Optionally, it being additionally provided with the first washer on the driving screw rod, first washer is fixed on the oil distributor, And first washer is located between the thrust bearing and the oil distributor.
Optionally, driving spanner is provided in the rotating nuts.
Technical solution provided in an embodiment of the present invention has the benefit that tuning for Controllable Pitch Propeller emergency set includes emergency machine Structure, oil distributor and the connecting tube being arranged in the oil distributor.Emergency organization includes driving screw rod and cooperates with driving screw rod Rotating nuts drive one end of screw rod to be fixedly connected with one end of connecting tube, and the other end of screw rod is driven to be pierced by oil distributor, rotation Nut is arranged in driving screw rod and is pierced by the shaft of oil distributor, and rotating nuts are resisted against on the shell of oil distributor.When being answered When anxious operation, it is allowed to rotate with outer power drive rotating nuts.Driving screw rod can generate axially driving during rotating nuts Power, rotating nuts are resisted against the shell of oil distributor, which acts on to oil distributor, and oil distributor is fixed setting , this just forces driving screw rod to move axially.Tuning for Controllable Pitch Propeller emergency set further includes control assembly and roll adjustment chamber, control assembly Including spool, piston rod and piston bush, piston bush is intracavitary in roll adjustment, and roll adjustment chamber is separated to be positive vehicle chamber and reversing chamber, piston It is sheathed on one end of piston rod, the other end of piston rod is slidably disposed through the cavity wall of roll adjustment chamber, and piston rod passes through roll adjustment chamber One end is equipped with spool bore, and spool is slidably positioned in spool bore and coaxially connected with the other end of connecting tube, and spool is equipped with First connection oil duct, the first positive vehicle oil duct and first reversing oil duct, first connection oil duct simultaneously with the first positive vehicle oil duct and first Oil duct of moving backward is connected to, and the second reversing that the second positive vehicle oil duct being connected to positive vehicle chamber is equipped in piston rod and is connected to reversing chamber is oily Road.Spool is slidably positioned in spool bore and coaxially connected with the other end of connecting tube, and therefore, driving screw rod can the company of drive Adapter tube is axially moved along oil distributor, and connecting tube drives spool axial movement.It is equipped with the second connection oil duct in connecting tube, drives screw rod Interior to be equipped with third connecting oil duct, the first connection oil duct, the second connection oil duct and third connecting oil duct are sequentially communicated.Spool is in spool When sliding into first position in hole, it is connected to the first positive vehicle oil duct with the second positive vehicle oil duct.Due to the first connection oil duct and first Positive vehicle oil duct connection, the first connection oil duct, the second connection oil duct and third connecting oil duct are sequentially communicated, the second positive vehicle oil duct with just The connection of vehicle chamber.So can inject hydraulic oil from the third oil duct of driving screw rod to positive vehicle chamber, hydraulic oil pushes piston bush to the right It is mobile.Since piston bush is set to one end of piston rod, thus the tune for pushing piston rod that the shift fork on piston rod is driven to realize blade Away from making blade be in positive parking stall.Connecting tube drives spool axial movement, when spool slides into the second position in spool bore, makes When first reversing oil duct be connected to the second reversing oil duct, the second reversing oil duct is connected to chamber of moving backward, can be from driving the of screw rod Three oil ducts inject hydraulic oil to reversing chamber, and hydraulic oil pushes piston bush to be moved to the left, to push the tune of piston rod realization blade Away from, make blade be in reversing position.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other Attached drawing.
Fig. 1 is a kind of assembling schematic diagram of emergency organization provided in an embodiment of the present invention;
Fig. 2 is a kind of assembling schematic diagram of control assembly provided in an embodiment of the present invention;
Fig. 3 is a kind of enlarged drawing of control assembly provided in an embodiment of the present invention;
Fig. 4 is a kind of structural schematic diagram of tuning for Controllable Pitch Propeller emergency set provided in an embodiment of the present invention.
Specific embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with attached drawing to embodiment party of the present invention Formula is described in further detail.
Fig. 1 is a kind of assembling schematic diagram of emergency organization provided in an embodiment of the present invention, as shown in Figure 1, tuning for Controllable Pitch Propeller is met an urgent need Device includes emergency organization 1, oil distributor 2 and the connecting tube 3 being arranged in oil distributor 2.
Emergency organization includes the rotating nuts 12 for driving screw rod 11, cooperating with driving screw rod 11.Drive one end of screw rod 11 It is fixedly connected with connecting tube 3, the other end of driving screw rod 11 is pierced by oil distributor 2, and the setting of rotating nuts 12 is worn in driving screw rod 11 Out on the shaft of oil distributor 2, and rotating nuts 12 are resisted against on the shell of oil distributor 2.
Fig. 2 is a kind of assembling schematic diagram of control assembly provided in an embodiment of the present invention, as shown in Fig. 2, tuning for Controllable Pitch Propeller is met an urgent need Device further includes control assembly 4 and roll adjustment chamber 5, and control assembly includes spool 41, piston rod 42 and piston bush 43, is equipped with piston bush 43 are placed in roll adjustment chamber 5 and are set to one end of piston rod 42, and the other end of piston rod 42 is slidably disposed through the chamber of roll adjustment chamber 5 Wall.Piston bush 43 divides roll adjustment chamber 5 for positive vehicle chamber 51 and reversing chamber 52.
Fig. 3 is a kind of enlarged drawing of control assembly provided in an embodiment of the present invention, is adjusted as shown in figure 3, piston rod 42 passes through One end away from chamber 5 is equipped with spool bore 421, and spool 41 is slidably positioned in spool bore 421 and connect with connecting tube 3.Spool 41 Be equipped with the first connection oil duct 411, the first positive vehicle oil duct 412 and the first reversing oil duct 413, the first connection oil duct 411 respectively with First positive vehicle oil duct 412 and the first reversing oil duct 413, piston rod 42 is interior to be equipped with the second positive vehicle oil duct being connected to positive vehicle chamber 51 422 and with reversing chamber 52 be connected to second move backward oil duct 423.
When spool 41 slides in spool bore 421, the first positive vehicle oil duct 412 can be connected to the second positive vehicle oil duct 422 or First reversing oil duct 413 can be connected to the second reversing oil duct 423.
Referring to Fig. 1, Fig. 3, it is equipped with the second connection oil duct 31 in connecting tube 3, is equipped with third connecting oil duct in driving screw rod 11 111, the first connection oil duct 411, second is connected to oil duct 31 and third connecting oil 111 is sequentially communicated.
Referring to figure 1, figure 2 and figure 3, it when carrying out emergency operation, is allowed to rotate with outer power drive rotating nuts 12.Rotate spiral shell Mother 12 and driving screw rod 11 can generate axial driving force during threads turn, which acts on to oil distributor 2 On, and oil distributor 2 is fixed setting, this just forces driving screw rod 11 to move axially.Connecting tube 3 be and driving screw rod 11 It is fixedly connected, therefore, driving screw rod 11 can drive connecting tube 3 to be axially moved along oil distributor 2,3 movable valve plug of connecting tube band, 41 axis To movement, when being connected to the first positive vehicle oil duct 412 with the second positive vehicle oil duct 422.Due to the first connection oil duct 411 and the first positive vehicle Oil duct 412 is connected to, and the first connection oil duct 411, second is connected to oil duct 31 and third connecting oil 111 is sequentially communicated, the second positive vehicle Oil duct 422 is connected to positive vehicle chamber 51.So hydraulic oil can be injected to positive vehicle chamber 51 from the third oil duct 111 of driving screw rod 11, To push piston rod 42 to realize the roll adjustment of blade, blade is made to be in positive parking stall.The axial movement of 3 movable valve plug 41 of connecting tube band, makes When first reversing oil duct 413 is connected to the second reversing oil duct 423, the second reversing oil duct 423 is connected to reversing chamber 52, can be from drive The third oil duct 111 of dynamic screw rod 11 injects hydraulic oil to reversing chamber 52, so that piston rod 42 be pushed to realize the roll adjustment of blade, makes paddle Leaf is in reversing position.
Optionally, tuning for Controllable Pitch Propeller emergency set further includes propeller hub chamber 7, and one end that piston rod 42 is pierced by roll adjustment chamber 5 is equipped with guiding Slot 425, and piston rod 42 is pierced by one end of roll adjustment chamber 5 and is placed in propeller hub chamber 7, is equipped in propeller hub chamber 7 and guide groove 425 matches The guide post 71 of conjunction, connecting tube 3 pass through guide post 71, and the axis of guide post 71 is overlapped with the axis of connecting tube 3.Illustratively, Guide post 71 is located in guide groove 425, and guide post 71 can slide axially in guide groove 425, defines other of piston rod 42 The displacement in direction, so guide post 71 gives piston rod 42 certain guiding role, can also make piston rod 42 in piston rod 42 The displacement of axial direction is more stable.
In the present embodiment, guide post 71 is arranged in the cavity wall 72 of propeller hub chamber 7, which is located at roll adjustment chamber 5 and paddle Hub chamber 7 shares the opposite side of cavity wall 53.It mutually slides and seals between guide post 71 and guide groove 425.
Fig. 4 is a kind of structural schematic diagram of tuning for Controllable Pitch Propeller emergency set provided in an embodiment of the present invention.As shown in Figure 3 and Figure 4, Tuning for Controllable Pitch Propeller emergency set can also include transmission shaft 8 and connecting shaft 9, the shell of one end connection propeller hub chamber 7 of transmission shaft 8, transmission The other end of axis 8 is connect by connecting shaft 9 with oil distributor 2, and connecting tube 3 is coaxially placed in transmission shaft 8 and connecting shaft 9, even The first drainback passage 81 is formed between adapter tube 3 and transmission shaft 8 and connecting shaft 9, is formed second time between connecting tube 3 and guide post 71 Oily channel 711 is additionally provided with the first back oil road 414 on spool 41, the second back oil road 424, the second oil return is additionally provided on piston rod 42 Road 424, the second drainback passage 711 and the first drainback passage 81 are sequentially communicated.
In the present embodiment, the shell of one end connection propeller hub chamber 7 of transmission shaft 8, the other end and connecting shaft 9 of transmission shaft 8 Connection, and driven and rotate by the gear of gear-box.Connecting shaft 9 passes through gear-box and connect transmission shaft 8 with oil distributor 2.Connecting tube 3 The first drainback passage 81 formed between transmission shaft 8 and connecting shaft 9 provides return flow line for hydraulic oil.
When first positive vehicle oil duct 412 can be connected to the second positive vehicle oil duct 422, the second back oil road 424, the first back oil road 414 It is sequentially communicated with the second reversing oil duct 423.Due to the second back oil road 424, the second back oil road 424, the second drainback passage 711 and One drainback passage 81 is sequentially communicated, and the second reversing oil duct 423 is connected to reversing chamber 52, so when to positive 51 oiling of vehicle chamber, The oil of vehicle chamber 52 can be back to oil distributor 2 through oil duct.
When first reversing oil duct 413 can be connected to the second reversing oil duct 423, the second back oil road 424, the first back oil road 414 It is sequentially communicated with the second positive vehicle oil duct 413.
Due to the second back oil road 424, the second back oil road 424, the second drainback passage 711 and the first drainback passage 81 successively connect Logical, the second positive vehicle oil duct 422 is connected to positive vehicle chamber 51, so the oil of positive vehicle chamber 51 can be through oil duct when to reversing 52 oiling of chamber It is back to oil distributor 2.
When carrying out the operation of positive vehicle, the oil of reversing chamber 52 is reflowable, and when carrying out reverse operation, the oil of positive vehicle chamber 51 can return Stream, so the tuning for Controllable Pitch Propeller emergency set can carry out normal roll adjustment in former roll adjustment hydraulic system fault, and using hydraulic and The mode that machinery combines can reduce the tensile stress that driving screw rod receives.
In the present embodiment, spool 41 is placed in the spool slot 421 of piston rod 42, and spool 41 can be slided in spool slot 421 It is dynamic, and sealed between spool 41 and piston rod 42.
In the present embodiment, the first positive vehicle oil duct 412 and the first reversing oil duct 413 are criss-cross through-hole, and with first The axis for being connected to oil duct 411 is vertical.The hydraulic fluid port that second positive vehicle oil duct 422 is connected to the first positive vehicle oil duct 412 is annular hydraulic fluid port, the The hydraulic fluid port that two reversing oil ducts 423 are connected to the first reversing oil duct 413 is annular hydraulic fluid port.It can be convenient the first positive vehicle oil duct in this way 412 and second connection moved backward between oil duct 413 and the second reversing oil duct 423 of positive vehicle oil duct 422, first.
Optionally, the first back oil road 414 is located at spool 41 between the first positive vehicle oil duct 412 and the first reversing oil duct 413 Outer wall, 414 ring shaped oil passage of the first back oil road, the second back oil road 424 are located at the second reversing oil duct 423 and the second positive vehicle oil duct 413 Between, width of first back oil road 414 in 41 axial direction of spool exists less than the second positive vehicle oil duct 422 and the second reversing oil duct 423 The distance between the hydraulic fluid port contacted with spool 41.It may insure that the first back oil road 414 is connected to the second positive vehicle oil duct 422 in this way When, it is not connected to the second reversing oil duct 423;First back oil road 414 with second reversing oil duct 423 be connected to when, not with the second positive vehicle Oil duct 422 is connected to.
Optionally, support plate is equipped between the inner wall of transmission shaft 8 and the outer wall of connecting tube 3.Support plate is axial along connecting tube 3 It arranges and parallel with the axis of connecting tube 3, space of the hydraulic oil between the inner wall of transmission shaft 8 and the outer wall of connecting tube 3 can be made Interior circulation.Support plate can provide certain support force to connecting tube 3, and the transmission of 3 long range of connecting tube is avoided to bend, and And the center for being in transmission shaft 8 always can be made.
In the present embodiment, support plate also is provided between the inner wall of connecting shaft 9 and the outer wall of connecting tube 3.Support plate can be with Certain support force is provided to connecting tube 3, the transmission of 3 long range of connecting tube is avoided to bend.
Optionally, tuning for Controllable Pitch Propeller emergency set further includes transfer tube 6, the third connecting oil duct of transfer tube 6 and driving screw rod 11 111 connections.Transfer tube 6 can give 111 fuel feeding of third oil duct, and the first connection oil duct 411, second is connected to oil duct 31 and third connects Tong You 111 is sequentially communicated, and the first connection oil duct 411 is connected to the first positive vehicle oil duct 412, and the first positive vehicle oil duct 412 can be with the Two positive vehicle oil ducts 422 are connected to, and the second positive vehicle oil duct 422 is connected to positive vehicle chamber 51.So transfer tube 6 can be supplied to positive vehicle chamber 51 Oil similarly so transfer tube 6 can also give reversing 52 fuel feeding of chamber, drives piston bush 43 that piston rod 42 is pushed to realize blade Roll adjustment.
In the present embodiment, transfer tube 6 can be air driven pump or hand pump.
Optionally, one end that driving screw rod 11 is pierced by oil distributor 2 is equipped with quick-release connector 14, and quick-release connector 14 drives for being connected to Dynamic pump 6 and third connecting oil duct 111.Quick coupling 14 can quickly connect external oil supply system, will drive when handling emergency condition The third connecting oil duct 111 of dynamic screw rod 11 is quickly connected by quick-release connector 14, can save the besides portion's fuel feeding system of third oil duct 111 The system connection time used.
Referring to Fig. 1, optionally, emergency organization further includes thrust bearing 13, driving screw rod 11, rotating nuts 12 and thrust axis It holds 13 coaxially arranged, thrust bearing 13 is equipped between rotating nuts 12 and oil distributor 2, and thrust bearing is resisted against oil distributor 2 Shell on.Thrust bearing 13 can realize the mutual rotation of rotating nuts 12 Yu oil distributor 2, reduce friction, and can undertake certain Axial thrust.
Referring to Fig. 1, Fig. 2, in the present embodiment, connecting tube 3 includes oil pipe 32 and valve core rod 33, spool 41, oil pipe 32, valve Core bar 33 and driving screw rod 12 sequentially coaxially connect.
In the present embodiment, the axial end portion of the valve core rod 33 of connecting tube 3 towards driving screw rod 11 is coaxially arranged with screw thread The axial threaded one end in hole, driving screw rod 11 is connected in the threaded hole, to realize the fixation of driving screw rod 11 and valve core rod 33 Connection.
When carrying out emergency operation, it is allowed to rotate with outer power drive rotating nuts 12.Rotating nuts 12 and driving screw rod 11 Axial driving force can be generated during threads turn, which acts on to thrust bearing 13, thrust bearing 13 It is resisted against on oil distributor 2, and oil distributor 2 is fixed setting, this just forces driving screw rod 11 to move axially.Valve core rod 33 It is to be fixedly connected with driving screw rod 11, therefore, driving screw rod 11 can drive valve core rod 33 to be axially moved along oil distributor 2.
Referring to Fig. 1, optionally, drives and be additionally provided with the first washer 15 on screw rod 11, the first washer 15 is fixed on oil distributor 2 On, and the first washer 15 is located between thrust bearing 13 and oil distributor 2.First washer 14 is to make oil distributor 2 and thrust bearing Transition member between 13 can prevent oil distributor 2 and the mutually matched surface damage of thrust bearing 13.
Optionally, it drives and is additionally provided with second packing ring 16 on screw rod 11, the setting of second packing ring 16 is in thrust bearing 13 and rotation Between turn nut 12.Second packing ring 16 is the transition member between thrust bearing 13 and rotating nuts 12, can prevent thrust axis Hold 13 and the generation damage of the mutually matched surface of rotating nuts 12.
In the present embodiment, thrust bearing 13 is folded in rotating nuts 12 on the axis direction of driving screw rod 12 and matches oil Between device 2.Thrust bearing 4 is solely subjected to axial thrust, can be thrust ball bearing.When driving rotating nuts 12, oil distributor 2 is not It is dynamic, driving screw rod 11 can be driven to move axially.
Optionally, driving spanner is provided in rotating nuts 12.It, can be to driving when needing rotates rotating nuts 12 Apply lesser active force on spanner, to reach labour-saving purpose.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of tuning for Controllable Pitch Propeller emergency set, the tuning for Controllable Pitch Propeller emergency set includes that emergency organization (1), oil distributor (2) and setting exist Connecting tube (3) in the oil distributor (2);
The emergency organization includes driving screw rod (11) and the rotating nuts (12) with driving screw rod (11) cooperation, described One end of driving screw rod (11) is fixedly connected with one end of the connecting tube (3), and the other end of driving screw rod (11) is pierced by The oil distributor (2), rotating nuts (12) setting are pierced by the shaft of the oil distributor (2) in driving screw rod (11) On, and the rotating nuts (12) are resisted against on the shell of the oil distributor (2);
It is characterized in that, the tuning for Controllable Pitch Propeller emergency set further includes control assembly (4) and roll adjustment chamber (5), the control assembly (4) Including spool (41), piston rod (42) and piston bush (43), the piston bush (43) is interior in the roll adjustment chamber (5), and will be described Roll adjustment chamber (5) separates be positive vehicle chamber (51) and reversing chamber (52), and the piston bush (43) is set to the one end of the piston rod (42), The other end of the piston rod (42) is slidably disposed through the cavity wall (53) of the roll adjustment chamber (5), and the piston rod (42) passes through One end of the roll adjustment chamber (5) is equipped with spool bore (421), and the spool (41) is slidably positioned in the spool bore (421) And it is coaxially connected with the other end of the connecting tube (3), the spool (41) is being equipped with the first connection oil duct (411), first just Vehicle oil duct (412) and first reversing oil duct (413), it is described first connection oil duct (411) simultaneously with the described first positive vehicle oil duct (412) be connected to first reversing oil duct (413), equipped with the be connected to the positive vehicle chamber (51) in the piston rod (42) Two positive vehicle oil ducts (422) and the second reversing oil duct (423) being connected to reversing chamber (52);
When the spool (41) slides into first position in the spool bore (421), the first positive vehicle oil duct (412) and institute The second positive vehicle oil duct (422) connection is stated, it is described when the spool (41) slides into the second position in the spool bore (421) First reversing oil duct (413) is connected to second reversing oil duct (423);
It is equipped with the second connection oil duct (31) in the connecting tube (3), is equipped with third connecting oil duct in the driving screw rod (11) (111), first connection oil duct (411), second connection oil duct (31) and oily (111) road of the third connecting successively connect It is logical.
2. tuning for Controllable Pitch Propeller emergency set according to claim 1, which is characterized in that the tuning for Controllable Pitch Propeller emergency set further includes paddle Hub chamber (7), one end that the piston rod (42) is pierced by the roll adjustment chamber (5) is equipped with guide groove (425), and the piston rod (42) one end for being pierced by the roll adjustment chamber (5) is placed in the propeller hub chamber (7), is equipped with and the guiding in the propeller hub chamber (7) The guide post (71) that slot (425) matches.
3. tuning for Controllable Pitch Propeller emergency set according to claim 2, which is characterized in that the tuning for Controllable Pitch Propeller emergency set further includes passing Moving axis (8) and connecting shaft (9), the transmission shaft (8) one end connection propeller hub chamber (7) shell, the transmission shaft (8) it is another End is connect by the even connecting shaft (9) with the oil distributor (2), and the connecting tube (3) is coaxially placed in the transmission shaft (8) and in the connecting shaft (9), first is formed between the connecting tube (3) and the transmission shaft (8) and the connecting shaft (9) Drainback passage (81), the guide post (71) are equipped with through-hole, and the connecting tube (3) passes through the through-hole of the guide post (71), institute It states and is formed between connecting tube (3) and the guide post (71) the second drainback passage (711), be additionally provided with first on the spool (41) Back oil road (414) is additionally provided with the second back oil road (424) on the piston rod (42), and second back oil road (424) described is led It is sequentially communicated to slot (425), second drainback passage (711) and first drainback passage (81);
When the first positive vehicle oil duct (412) is connected to the described second positive vehicle oil duct (422), second back oil road (424), institute It states the first back oil road (414) and second reversing oil duct (423) is sequentially communicated;
When first reversing oil duct (413) is connected to second reversing oil duct (423), second back oil road (424), institute It states the first back oil road (414) and the second positive vehicle oil duct (413) is sequentially communicated.
4. tuning for Controllable Pitch Propeller emergency set according to claim 3, which is characterized in that first back oil road (414) passes through institute State the wall surface of spool (41) between the first positive vehicle oil duct (412) and first reversing oil duct (413), first back oil road It (414) is ring shaped oil passage, second back oil road (424) is located at second reversing oil duct (423) and the described second positive vehicle oil Between road (413), width of first back oil road (414) in the spool (41) axial direction is less than the described second positive vehicle oil duct (422) and described second moves backward the distance between oil duct (423).
5. tuning for Controllable Pitch Propeller emergency set according to claim 3, which is characterized in that the inner wall of the transmission shaft (8) with it is described Support plate is equipped between the outer wall of connecting tube (3).
6. tuning for Controllable Pitch Propeller emergency set according to claim 1, which is characterized in that the tuning for Controllable Pitch Propeller emergency set further includes driving Dynamic pump (6), the transfer tube (6) are connected to the third connecting oil duct (111) of driving screw rod (11).
7. tuning for Controllable Pitch Propeller emergency set according to claim 6, which is characterized in that the driving screw rod (11) is pierced by described match One end of oily device (2) is equipped with quick-release connector (14), and the quick-release connector (14) is for being connected to the transfer tube (6) and the third It is connected to oil duct (111).
8. tuning for Controllable Pitch Propeller emergency set according to any one of claims 1 to 7, which is characterized in that the emergency organization is also wrapped It includes thrust bearing (13), the thrust bearing (13) is set between the rotating nuts (12) and the oil distributor (2), and institute Thrust bearing (13) is stated to be resisted against on the shell of oil distributor (2).
9. tuning for Controllable Pitch Propeller emergency set according to any one of claims 1 to 7, which is characterized in that the driving screw rod (11) On be additionally provided with the first washer (15), first washer (14) is fixed on the oil distributor (2), and first washer (15) it is located between the thrust bearing (13) and the oil distributor (2).
10. tuning for Controllable Pitch Propeller emergency set according to any one of claims 1 to 7, which is characterized in that the rotating nuts (12) On be provided with driving spanner.
CN201910006725.4A 2019-01-04 2019-01-04 Emergency device for controllable pitch propeller Active CN109533250B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111634401A (en) * 2020-04-13 2020-09-08 武汉船用机械有限责任公司 Pitch self-locking device for controllable pitch propeller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201472658U (en) * 2009-09-21 2010-05-19 武汉船用机械有限责任公司 Bidirectional emergency device of single-oil-pipe type screw propeller with adjustable pitch
CN105058101A (en) * 2015-08-07 2015-11-18 苏州恒鼎船舶重工有限公司 Variable-pitch propeller hub clamp for ship and hub manufacturing method based on variable-pitch propeller hub clamp
CN106043646A (en) * 2016-07-05 2016-10-26 武汉船用机械有限责任公司 Emergency device for controllable pitch propeller
CN106546421A (en) * 2016-10-21 2017-03-29 武汉船用机械有限责任公司 A kind of distance-adjustable oar hub assay device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201472658U (en) * 2009-09-21 2010-05-19 武汉船用机械有限责任公司 Bidirectional emergency device of single-oil-pipe type screw propeller with adjustable pitch
CN105058101A (en) * 2015-08-07 2015-11-18 苏州恒鼎船舶重工有限公司 Variable-pitch propeller hub clamp for ship and hub manufacturing method based on variable-pitch propeller hub clamp
CN106043646A (en) * 2016-07-05 2016-10-26 武汉船用机械有限责任公司 Emergency device for controllable pitch propeller
CN106546421A (en) * 2016-10-21 2017-03-29 武汉船用机械有限责任公司 A kind of distance-adjustable oar hub assay device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111634401A (en) * 2020-04-13 2020-09-08 武汉船用机械有限责任公司 Pitch self-locking device for controllable pitch propeller
CN111634401B (en) * 2020-04-13 2021-10-08 武汉船用机械有限责任公司 Pitch self-locking device for controllable pitch propeller

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