CN209479935U - A kind of preposition variable-pitch airscrew peculiar to vessel - Google Patents
A kind of preposition variable-pitch airscrew peculiar to vessel Download PDFInfo
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- CN209479935U CN209479935U CN201822093641.2U CN201822093641U CN209479935U CN 209479935 U CN209479935 U CN 209479935U CN 201822093641 U CN201822093641 U CN 201822093641U CN 209479935 U CN209479935 U CN 209479935U
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Abstract
The utility model discloses a kind of preposition variable-pitch airscrews peculiar to vessel, belong to Ship Propeling field, dynamic and electronic two ways of saying good-bye control, wherein the structure of manual pitching manner includes rotor hub system and pitch-controlled system, the rotor hub system and pitch-controlled system are connected with each other by stern tube shaft, the pitch-controlled system includes to dividing connector sleeve, variable pitch spiral shell block, variable pitch nut, push-pull rod, bearing, left shaft holder, right bearing seat, key and bolt, two sections of stern tube shafts are by dividing connector sleeve to be connected, the variable pitch nut is fixed between left shaft holder and right bearing seat by bearing, described pair of point connector sleeve is equipped with variable pitch spiral shell block, it is set on push-pull rod on the variable pitch spiral shell block and is cooperatively connected with variable pitch spiral shell block, the structure of electric variable pitch mode further includes electric-control system, the electric-control system includes control motor, pitch gear and bearing, the variable pitch spiral shell It is toothed around on female, the control motor output shaft is equipped with pitch gear and bearing, and the pitch gear and variable pitch nut are intermeshed.
Description
Technical field
The utility model relates to Ship Propeling fields, and in particular to a kind of preposition variable-pitch airscrew peculiar to vessel.
Background technique
Logistics delivery is divided into land transportation and water craft transport, and ship transportation is low, and freight volume is big, especially
Marine transportation.Ship Propeling is generally promoted with propeller, and propeller is divided into fixed pitch propeller and variable-pitch airscrew.
Conventional variable-pitch airscrew enables blade relative to paddle via the operating mechanism (electric power, oil pressure) in propeller hub
Hub rotation, changes screw pitch using blade, to change ship speed or positive vehicle, moves backward.CPP paddle is by blade, propeller hub, shafting
(stern tube shaft, stern pipe, jackshaft), oil distributor, hydraulic system and electronic remote control system composition.
Variable-pitch airscrew is more duty mechanisms, and effective coordination ship emergency and single host are lost, can send out
Host is waved to the ability and efficiency of propeller, improves ship performance and mobility.The advantages of being summarized as variable-pitch airscrew: 1,
The structure for simplifying entire power device, can save a set of reverse gear, provide condition for the constant speed operating of host.2, improve ship
Oceangoing ship maneuvering performance, is conducive to navigation automation.Due to the utilization of hydraulic transmission technology, variable-pitch airscrew is easy to be remotely controlled, only
Remote control device need to be passed through.3, ship manoeuverability is improved.With good steerage and mobility.Improve the stopping ability of ship, shortens
Stopping time and distance.4, operation of ship economy is improved.Be conducive to the effect of playing host and reduce the oil consumption of unit power
Amount.
But structurally, variable-pitch airscrew is more complicated than spacing paddle many, and is related to hydraulic technique, automatic
The technical problems such as control, sealing and material, and involve great expense, maintenance technology requirement height, these problems are up for further studying
With solution.
Hydraulic System Reliability has a various problems, and adjustment hydraulic system spends more time, oil liquid can aging, each valve and
Pump will appear failure, and the meeting aging of cylinder seal part will lead to the problems such as leakage piston leaks, poor reliability.It will lead to screw pitch tune
Whole various problems: screw pitch can only be adjusted unidirectionally, perhaps adjust slowly or screw pitch has error etc. problem.
Utility model content
To solve the above-mentioned problems in the prior art, the utility model provides that a kind of structure is simple, and cost is relatively low,
High reliablity, the simple preposition variable-pitch airscrew peculiar to vessel of operation and maintenance.
The technical solution of the utility model is as follows:
A kind of preposition variable-pitch airscrew peculiar to vessel, including pitch-controlled system and rotor hub system, the pitch-controlled system and described
Rotor hub system is connected with each other by stern tube shaft, and one end of the stern tube shaft is connected with gear-box or diesel engine, the pitch-controlled system packet
It includes to dividing connector sleeve, variable pitch spiral shell block, variable pitch nut, push-pull rod, bearing, left shaft holder, right bearing seat, barring gear, key and spiral shell
Bolt, the stern tube shaft are divided to two sections, and two sections of stern tube shafts are by the way that dividing connector sleeve to be connected with each other, described pair of point connector sleeve passes through key and stern
Axis is fixed together, and the stern tube shaft is hollow, and the push-pull rod is threaded through in stern tube shaft, is connected with left bearing on described pair of point connector sleeve
Seat and right bearing seat, the variable pitch nut are fixed between left shaft holder and right bearing seat by bearing, described pair of point connector sleeve
It is equipped with variable pitch spiral shell block, the variable pitch nut and variable pitch spiral shell block, which cooperate, to be connected, and is set in push-pull rod on the variable pitch spiral shell block
On, the variable pitch spiral shell block is fixedly connected with push-pull rod by pin, and the variable pitch nut is equipped with barring gear.
A kind of preposition variable-pitch airscrew peculiar to vessel, including rotor hub system and pitch-controlled system, the pitch-controlled system and described
Rotor hub system is connected with each other by stern tube shaft, and one end of the stern tube shaft is connected with gear-box or diesel engine, the pitch-controlled system packet
It includes to dividing connector sleeve, variable pitch spiral shell block, variable pitch nut, push-pull rod, bearing, left shaft holder, right bearing seat, key and bolt, the stern
Axis is divided to two sections, and two sections of stern tube shafts are by the way that dividing connector sleeve to be connected with each other, a described pair of point connector sleeve is fixed on by key and stern tube shaft
Together, the stern tube shaft is hollow, and the push-pull rod is threaded through in stern tube shaft, is connected with left shaft holder and right axle on described pair of point connector sleeve
Seat is held, the variable pitch nut is fixed between left shaft holder and right bearing seat by bearing, the variable pitch nut and variable pitch spiral shell block
Cooperate connection, and described pair of point connector sleeve is equipped with variable pitch spiral shell block, is set on push-pull rod on the variable pitch spiral shell block, the change
Paddle spiral shell block is fixedly connected with push-pull rod by pin, and the pitch-controlled system is equipped with electric-control system, and the electric-control system includes control
Motor, pitch gear and bearing are toothed around on the variable pitch nut, and the control motor output shaft is equipped with pitch gear
And bearing, the pitch gear and variable pitch nut are intermeshed.
Further, the rotor hub system includes propeller hub, housing, blade, push/pull slot, nut, stern tube shaft and push-pull rod, described
One end of stern tube shaft is equipped with push/pull slot, and the push/pull slot is connected with push-pull rod by nut.
Further, the variable pitch spiral shell block and to divide between connector sleeve be equipped with sliding bearing.
Further, the variable pitch spiral shell block is equipped with roll adjustment scale, and the roll adjustment scale wore right bearing seat.
Further, the stern tube shaft is equipped with thrust bearing.
Further, the variable pitch nut and variable pitch spiral shell block are connected with each other by T shape screw thread.
Further, sealing is equipped between the variable pitch nut and left shaft holder and right bearing seat.
Further, clutch is equipped between control motor and the pitch gear.
Further, one end of the variable pitch nut is equipped with sensor for countering, and the control motor is equipped with encoder.
The utility model has the following beneficial effects: the scheme for manually controlling variable pitch is parking variable pitch, the phase that propeller hub can design
Small to regular variable propeller hub, propeller efficiency can be higher, and cost is relatively low, and the scheme of motor control variable pitch can be in vessel motion
In continuous variable pitch, reliability is than the scheme high reliablity of hydraulic control, and structure is simple, and operation and maintenance is simple, can be applicable in each
Class ship.
Detailed description of the invention
Fig. 1 is the structural schematic block diagram of the manual variable pitch scheme of the utility model；
Fig. 2 is the structural schematic diagram of the manual variable pitch scheme of the utility model；
Fig. 3 is the structural schematic diagram of the manual variable pitch scheme of the utility model；
Fig. 4 is A-A cross-sectional view；
Fig. 5 is the utility model to the structural schematic diagram for dividing connector sleeve；
Fig. 6 is C-C cross-sectional view；
Fig. 7 is the structural schematic diagram of the variable pitch spiral shell block of the utility model；
Fig. 8 is the structural schematic diagram of the utility model variable pitch spiral shell block；
Fig. 9 is the structural schematic block diagram of the utility model electric variable pitch scheme；
Figure 10 is the structural schematic diagram of the utility model electric variable pitch scheme；
Figure 11 is the structural schematic diagram of the utility model electric variable pitch scheme；
Figure 12 is B-B cross-sectional view；
Figure 13 is the control block diagram of the utility model electric variable pitch scheme；
Figure 14 is the control block diagram of the utility model electric variable pitch scheme；
Figure 15 is the control block diagram of the utility model electric variable pitch scheme；
In figure: 1- pitch-controlled system, 2- rotor hub system, 3- stern tube shaft, 4- push-pull rod, 5- is to dividing connector sleeve, 6- left shaft holder, 7-
Right bearing seat, 8- variable pitch spiral shell block, 9- variable pitch nut, 10- sliding bearing, 11- key, 12- barring gear, 13- roll adjustment scale, 14-
Tube shaft bearing, 15- thrust bearing, 16- stern shaft seal, 17- propeller hub, 18- blade, 19- housing, 20- push/pull slot, 21- guide sleeve,
22- sealing, 23- electric-control system, 24- control motor, 25- pitch gear, 26- sensor for countering, 27- encoder.
Specific embodiment
Below in conjunction with attached drawing, the utility model is described in further detail:
As shown in Figs 1-4, embodiment 1: the preposition variable-pitch airscrew peculiar to vessel manually controlled:
A kind of preposition variable-pitch airscrew peculiar to vessel, including pitch-controlled system 1 and rotor hub system 2, the pitch-controlled system 1 and institute
It states rotor hub system 2 to be connected with each other by stern tube shaft 3, one end of the stern tube shaft 3 is connected with gear-box or diesel engine, the variable pitch system
System 1 includes to dividing connector sleeve 5, variable pitch spiral shell block 8, variable pitch nut 9, push-pull rod 4, bearing, left shaft holder 6, right bearing seat 7, jiggering
Device 12, key 11 and bolt, the stern tube shaft 3 are divided to two sections, and two sections of stern tube shafts 3 are described right by dividing connector sleeve 5 to be connected with each other
Connector sleeve 5 is divided to be fixed together by key 11 with stern tube shaft 3, the stern tube shaft 3 is equipped with thrust bearing 15, and the stern tube shaft 3 is hollow, institute
It states push-pull rod 4 to be threaded through in stern tube shaft 3, left shaft holder 6 and right bearing seat 7, the variable pitch spiral shell is connected on described pair of point connector sleeve 5
Mother 9 is fixed between left shaft holder 6 and right bearing seat 7 by bearing, and described pair of point connector sleeve 5 is equipped with variable pitch spiral shell block 8, described
Variable pitch nut 9 and variable pitch spiral shell block 8, which cooperate, to be connected, and the variable pitch spiral shell block 8 and sliding bearing is equipped between connector sleeve 5 to dividing
10, it is set on push-pull rod 4 on the variable pitch spiral shell block 8, the variable pitch spiral shell block 8 is fixedly connected with push-pull rod 4 by pin, described
Variable pitch nut 9 is equipped with barring gear 12.
The rotor hub system includes propeller hub 17, housing 19, blade 18, push/pull slot 20, nut, stern tube shaft 3 and push-pull rod 4, institute
The one end for stating stern tube shaft 3 is equipped with propeller hub 17, and the stern tube shaft 3 is equipped with tube shaft bearing 14 and stern shaft seal 16, one end of the stern tube shaft 3
Equipped with push/pull slot 20, the push/pull slot 20 is connected with push-pull rod 4 by nut.Variable pitch when due to being parking, 2 knot of rotor hub system
Structure is as conventional hydraulic variable pitch variable-pitch airscrew structure, but propeller hub 17 can suitably reduce, and considers cost, Ke Yiyong
High-strength ductile cast iron for example uses QT700, and variable pitch slot can also use high-strength ductile cast iron, between propeller hub 17 and blade 18
Leakage can be obviously reduced in joint face.If expecting better reliability, gear-box and stern tube shaft 3 are connected by crown gear coupling
It connects.
When moving variable pitch nut with 12 disk of barring gear, variable pitch nut 9 is rotated, for variable pitch nut 9 by bearing rib on a left side
In bearing block 6 and right bearing seat 7, variable pitch spiral shell block 8 is stuck in dividing in connector sleeve 5, and variable pitch spiral shell block 8 can only move along a straight line, variable pitch spiral shell
Block 8 and with bolt sliding bearing 10 is fixed to dividing the contact surface of connector sleeve 5 to be equipped with, brass or oiliness bearing system can be used
Make, so that push-pull rod be made to move linearly, push-pull rod 4 just pushes blade 18 to rotate variable pitch, realize speed change and just, car-backing function.Become
When paddle nut 9 is static, since screw thread self-locking acts on, push-pull rod 4 is secured on fixed position.Blade 18 is also secured at some angle
On degree.Variable pitch spiral shell block 8 is equipped with roll adjustment scale 13, can measure airscrew pitch, there is scale, corresponding blade on roll adjustment scale 13
Screw pitch.
The variable-pitch airscrew manually controlled can only determine in advance airscrew pitch when ship stops, cannot be in ship
Oceangoing ship changes screw pitch when transporting in real time, to stop and change screw pitch again；But the relatively regular variable oar that such propeller hub can design
Hub is small, and propeller efficiency can be higher, and propeller hub material can use spheroidal graphite cast-iron or steel alloy.This manually controls the scheme of variable pitch
Cost is relatively low, and the sealing of blade and propeller hub is also relatively good.Scheme high reliablity, structure is simple, and operation and maintenance is simple.
As shown in figs9-12, embodiment 2: the preposition variable-pitch airscrew peculiar to vessel of Electronic control:
A kind of preposition variable-pitch airscrew peculiar to vessel, including pitch-controlled system 1 and rotor hub system 2, the pitch-controlled system 1 and institute
It states rotor hub system 2 to be connected with each other by stern tube shaft 3, one end of the stern tube shaft 3 is connected with gear-box or diesel engine, the variable pitch system
System 1 includes to dividing connector sleeve 5, variable pitch spiral shell block 8, variable pitch nut 9, push-pull rod 4, bearing, left shaft holder 6, right bearing seat 7, key 11
And bolt, the stern tube shaft 3 are divided to two sections, two sections of stern tube shafts 3 are by the way that dividing connector sleeve 5 to be connected with each other, described pair of point connector sleeve 5 is logical
It crosses key 11 to be fixed together with stern tube shaft 3, the stern tube shaft 3 is equipped with thrust bearing 15, and the stern tube shaft 3 is hollow, and the push-pull rod 4 is worn
It is located in stern tube shaft 3, left shaft holder 6 and right bearing seat 7 is connected on described pair of point connector sleeve 5, the variable pitch nut 9 passes through bearing
Be fixed between left shaft holder 6 and right bearing seat 7, described pair of point connector sleeve 5 is equipped with variable pitch spiral shell block 8, the variable pitch nut 9 with
Variable pitch spiral shell block 8 cooperate connection, the variable pitch spiral shell block 8 and to divide between connector sleeve 5 be equipped with sliding bearing 10, the variable pitch spiral shell
It is set on block 8 on push-pull rod 4, the variable pitch spiral shell block 8 is fixedly connected with push-pull rod 4 by pin, and the pitch-controlled system 1 is equipped with
Electric-control system 23, the electric-control system 23 include control motor 24, pitch gear 25 and bearing, are set on the variable pitch nut 9
There are the gear teeth, the control motor 24 can be alternating current generator or direct current generator, and 24 output shaft of control motor, which is equipped with, to be become
Paddle gear 25 and bearing, the pitch gear 25 are intermeshed with variable pitch nut 9, and one end of the variable pitch nut 9, which is equipped with, to be counted
Sensor 26, the control motor 24 are equipped with encoder 27, and clutch is equipped between the control motor 24 and pitch gear 25
Device.
The rotor hub system includes propeller hub 17, housing 19, blade 18, push/pull slot 20, nut, stern tube shaft 3 and push-pull rod 4, institute
The one end for stating stern tube shaft 3 is equipped with propeller hub 17, and the stern tube shaft 3 is equipped with tube shaft bearing 14 and stern shaft seal 16, one end of the stern tube shaft 3
Equipped with push/pull slot 20, the push/pull slot 20 is connected with push-pull rod 4 by nut.Electronic control mode is continuous variable pitch, propeller hub
It can be manufactured using bronze material.If expecting better reliability, gear-box and stern tube shaft 3 are connected by crown gear coupling
It connects.
When moving variable pitch nut 9 by 25 disk of pitch gear with control motor 24, variable pitch nut 9 is rotated, due to variable pitch spiral shell
Mother 9 is by bearing rib in left shaft holder 6 and right bearing seat 7, and variable pitch spiral shell block 8 is stuck in dividing in connector sleeve 5, and variable pitch spiral shell block 8 can only
Linear motion, variable pitch spiral shell block 8 and is equipped with the sliding bearing 10 fixed with bolt to the contact surface for dividing connector sleeve 5, can use Huang
Copper or oiliness bearing manufacture, thus make push-pull rod 4 move linearly, push-pull rod 4 just push blade rotate variable pitch, realize speed change and
Just, car-backing function.When variable pitch nut is static, since screw thread self-locking acts on, push-pull rod 4 is secured on fixed position.Blade 18
It is also secured in some angle.Roll adjustment scale 13 is set on variable pitch spiral shell block 8, airscrew pitch can be measured, had on roll adjustment scale 13
Scale, corresponding blade screw pitch.
Motor control variable pitch is simpler than hydraulic control variable pitch high reliablity, structure, and operation and maintenance is simple.
As shown in figure 13, when electric variable pitch, 1. host output power, one timing of revolving speed are obtained by adjusting screw pitch
Sustainable maximum speed under hull arbitrary load.2. is in speed of a ship or plane timing, ship load is feelings of the Ship Resistance in fluctuation
Under condition, by adjusting screw pitch and engine speed, achieve the purpose that mimimum fuel consumption.3. host output power, one timing of revolving speed, lead to
Screw pitch is overregulated, the sustainable optimum speed under hull arbitrary load and best propulsion host oil consumption is obtained, that is, obtains most
Good economical speed.
Variable blade control system is constituted, and as shown in figure 14, host computer is communicated by low tension and pitch control device, high voltage power supply
It is connected with driver, drive belts current failure emergency device: super capacitor and charger.The operating of driver drive control motor, control
Motor band encoder processed, vane change device position band redundant position sensors.Pitch control device and driver and super capacitor,
Charger is made in an electrical cabinet.Redundant position sensors signal is replaced as backup when motor encoder breaks down
For motor encoder.Promote the signals such as revolving speed, torque, the oil consumption of host and controller contact.
As shown in figure 15, it uses PLC as pitch control device, connects host computer, be convenient for manual control.Promote host signal host
Revolving speed, torque, oil consumption etc. and PLC communication, the ship signal such as speed of a ship or plane, rock, the signals such as flow velocity also access PLC；Frequency converter conduct
Driver drives pitch motor, and pitch motor need to select alternating current generator, and AC servo motor is small in size, light-weight, structure is simple
List, power density are big, easy to maintain；Alternating current generator band absolute encoder, gives PLC position feedback, controls frequency conversion by PLC
Device.Pitch motor drives blade pitch device, and absolute position is transmitted to PLC as backup by blade pitch device band redundant position sensors.Become
Paddle mechanism drives propeller hub and propeller blade.
Claims (16)
1. a kind of preposition variable-pitch airscrew peculiar to vessel, including pitch-controlled system (1) and rotor hub system (2), the pitch-controlled system (1)
It being connected with each other with the rotor hub system (2) by stern tube shaft (3), one end of the stern tube shaft (3) is connected with gear-box or diesel engine,
It is characterized by: the pitch-controlled system (1) includes the variable pitch spiral shell block (8) to dividing connector sleeve (5), variable pitch nut (9), push-pull rod
(4), bearing, left shaft holder (6), right bearing seat (7), barring gear (12), key (11) and bolt, the stern tube shaft (3) are divided to two sections,
Two sections of stern tube shafts (3) are by the way that dividing connector sleeve (5) to be connected with each other, described pair of point connector sleeve (5) passes through key (11) and stern tube shaft (3)
It is fixed together, the stern tube shaft (3) is hollow, and the push-pull rod (4) is threaded through in stern tube shaft (3), connects on described pair of point connector sleeve (5)
Left shaft holder (6) and right bearing seat (7) are connected to, the variable pitch nut (9) is fixed on left shaft holder (6) and right bearing by bearing
Between seat (7), described pair of point connector sleeve (5) is equipped with variable pitch spiral shell block (8), and the variable pitch nut (9) and variable pitch spiral shell block (8) are mutual
It is cooperatively connected, is set on push-pull rod (4) on the variable pitch spiral shell block (8), the variable pitch spiral shell block (8) and push-pull rod (4) pass through pin
Son is fixedly connected, and the variable pitch nut (9) is equipped with barring gear (12).
2. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: the rotor hub system (2)
Including propeller hub (17), housing (19), blade (18), push/pull slot (20), nut, stern tube shaft (3) and push-pull rod (4), the stern tube shaft (3)
One end be equipped with push/pull slot (20), the push/pull slot (20) is connected with push-pull rod (4) by nut.
3. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: the variable pitch spiral shell block (8)
And sliding bearing (10) are equipped with to dividing between connector sleeve (5).
4. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: the variable pitch spiral shell block (8)
It is equipped with roll adjustment scale (13), the roll adjustment scale (13) wore right bearing seat (7).
5. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: set on the stern tube shaft (3)
There are thrust bearing (15).
6. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: the variable pitch nut (9)
It is connected with each other with variable pitch spiral shell block (8) by T shape screw thread.
7. a kind of preposition variable-pitch airscrew peculiar to vessel as described in claim 1, it is characterised in that: the variable pitch nut (9)
Sealing is equipped between left shaft holder (6) and right bearing seat (7).
8. a kind of preposition variable-pitch airscrew peculiar to vessel, including pitch-controlled system (1) and rotor hub system (2), the pitch-controlled system (1)
It being connected with each other with the rotor hub system (2) by stern tube shaft (3), one end of the stern tube shaft (3) is connected with gear-box or diesel engine,
It is characterized by: the pitch-controlled system includes the variable pitch spiral shell block (8) to dividing connector sleeve (5), variable pitch nut (9), push-pull rod (4), axis
It holds, left shaft holder (6), right bearing seat (7), key (11) and bolt, the stern tube shaft (3) is divided to two sections, and two sections of stern tube shafts (3) pass through
To dividing connector sleeve (5) to be connected with each other, described pair of point connector sleeve (5) is fixed together by key (11) with stern tube shaft (3), the stern tube shaft
(3) hollow, the push-pull rod (4) is threaded through in stern tube shaft (3), is connected on described pair of point connector sleeve (5) left shaft holder (6) and right
Bearing block (7), the variable pitch nut (9) are fixed between left shaft holder (6) and right bearing seat (7) by bearing, the variable pitch
Nut (9) and variable pitch spiral shell block (8), which cooperate, to be connected, and described pair of point connector sleeve (5) is equipped with variable pitch spiral shell block (8), the variable pitch
It is set on spiral shell block (8) on push-pull rod (4), the variable pitch spiral shell block (8) is fixedly connected with push-pull rod (4) by pin, the change
Oar system (1) is equipped with electric-control system (23), and the electric-control system (23) includes control motor (24), pitch gear (25) and axis
It holds, is toothed around on the variable pitch nut (9), control motor (24) output shaft is equipped with pitch gear (25) and axis
It holds, the pitch gear (25) and variable pitch nut (9) are intermeshed.
9. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the rotor hub system (2)
Including propeller hub (17), housing (19), blade (18), push/pull slot (20), nut, stern tube shaft (3) and push-pull rod (4), the stern tube shaft (3)
One end be equipped with push/pull slot (20), the push/pull slot (20) is connected with push-pull rod (4) by nut.
10. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the variable pitch spiral shell block (8)
And sliding bearing (10) are equipped with to dividing between connector sleeve (5).
11. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the variable pitch spiral shell block (8)
It is equipped with roll adjustment scale (13), the roll adjustment scale (13) wore right bearing seat (7).
12. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: set on the stern tube shaft (3)
There are thrust bearing (15).
13. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the variable pitch nut (9)
It is connected with each other with variable pitch spiral shell block (8) by T shape screw thread.
14. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the variable pitch nut (9)
Sealing is equipped between left shaft holder (6) and right bearing seat (7).
15. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the control motor
(24) clutch is equipped between pitch gear (25).
16. a kind of preposition variable-pitch airscrew peculiar to vessel as claimed in claim 8, it is characterised in that: the variable pitch nut (9)
One end be equipped with sensor for countering (26), the control motor (24) is equipped with encoder (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093641.2U CN209479935U (en) | 2018-12-13 | 2018-12-13 | A kind of preposition variable-pitch airscrew peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822093641.2U CN209479935U (en) | 2018-12-13 | 2018-12-13 | A kind of preposition variable-pitch airscrew peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209479935U true CN209479935U (en) | 2019-10-11 |
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ID=68127459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822093641.2U Active CN209479935U (en) | 2018-12-13 | 2018-12-13 | A kind of preposition variable-pitch airscrew peculiar to vessel |
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| CN (1) | CN209479935U (en) |
Cited By (2)
| 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 |
| CN113358084A (en) * | 2021-04-30 | 2021-09-07 | 武汉船用机械有限责任公司 | Device for determining a pitch feedback signal |
-
2018
- 2018-12-13 CN CN201822093641.2U patent/CN209479935U/en active Active
Cited By (4)
| 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 |
| CN113358084A (en) * | 2021-04-30 | 2021-09-07 | 武汉船用机械有限责任公司 | Device for determining a pitch feedback signal |
| CN113358084B (en) * | 2021-04-30 | 2022-11-29 | 武汉船用机械有限责任公司 | Device for determining a pitch feedback signal |
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