CN101134502A - Navigating reversing device of the water jet propulsion ship - Google Patents
Navigating reversing device of the water jet propulsion ship Download PDFInfo
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- CN101134502A CN101134502A CNA2007100309547A CN200710030954A CN101134502A CN 101134502 A CN101134502 A CN 101134502A CN A2007100309547 A CNA2007100309547 A CN A2007100309547A CN 200710030954 A CN200710030954 A CN 200710030954A CN 101134502 A CN101134502 A CN 101134502A
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- rudder
- bucket
- reversing device
- water jet
- jet propulsion
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Abstract
The present invention discloses one kind of back navigation equipment for water-jetting propelled ship. The back navigation equipment includes one back navigation bucket set onto the retch rudder through two ear boards capable of rotating around the retch rudder. The ear board has rotation shaft fixed on the retch rudder, and the back navigation bucket may be in a dipper shaped or pants shaped structure. The back navigation bucket can rotate together with the retch rudder, and has smooth reflecting flow channel, stable stress, high water flow reflecting rate, simple structure and other advantages.
Description
Technical field
The present invention relates to the navigating reversing device field of boats and ships, is a kind of navigating reversing device of water jet propulsion ship specifically.
Background technology
Waterjet propulsion technology with regard to boats and ships, because of water jet propulsion pump inconvenience reverse speed operation, and be the problem of falling the boat that solves boats and ships, various navigating reversing devices also just become the key equipment of water jet propulsion ship, in the prior art, what this series products was common mainly contains two kinds: the navigating reversing device of (1) type structure; (2) navigating reversing device of four-bar linkage.Yet, the navigating reversing device of above-mentioned two kinds of structures, the former configuration is not good, power transmission is bad, and the latter is fixedly mounted on the water outlet place of Marine Water-jet Propulsion Pump, in boats and ships driftage process, when need realize that boats and ships navigate, all can not obtain down the usable reflection of boat bucket from the current of fetch rudder ejection by two types navigating reversing device, the current reflection efficiency is lower, influence falling to navigate and controlling of boats and ships.And the navigating reversing device of type structure is taked the door case type moulding because of its bucket that falls to navigate, and the assembly that navigates needs reinforcement to be connected with shipping and reselling on another market, and structure is numerous and diverse, and is stressed unreasonable, also increased the expendable weight of the bucket that navigates itself; The navigating reversing device of four-bar linkage, though that it designs is adroit, mechanism's complexity, the linkage part that the outside matches is more, and whole expendable weight is big, is unfavorable for manufacturing, the erection work of product.
In addition, in the navigating reversing device of water jet propulsion ship, a kind of Inversive steering gear of water-jet type watercraft has been announced in Chinese invention patent application 200710034934.7, the described technical scheme of this patent application is: the streamlined reefer housing (petal type structure) that is provided with folding as required on a cylinder at propelling unit mozzle water outlet place, the end of streamlined reefer housing and cylinder contact position also can realize that the complementarity amount of running jointly go out current with reverse jetting according to the folding amount of front end, and the folding of the spout by the control streamlined reefer housing and terminal open amount are to realize the effect of navigating of boats and ships.But the disclosed reverse steering hardware of this patent application still needs complicated connecting rod mechanism to control, propelling unit, cylinder and streamlined reefer housing complex structure, and the current reflection efficiency when influence boats and ships and navigating, the streamlined reefer housing structure is complexity, and expendable weight is also bigger.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, the navigating reversing device of a kind of current reflection efficiency height, simple in structure, water jet propulsion ship that expendable weight is little is provided.
Goal of the invention of the present invention is achieved in that a kind of navigating reversing device of water jet propulsion ship, comprise down the boat bucket, it is characterized in that: the otic placode that the described bucket that falls to navigate rotates by the boat rudder fixed point that can rotate is located on the fetch rudder, and otic placode is connected with the driving assembly of boats and ships operating-controlling mechanism.
Described otic placode is two, and the pivot center of two otic placodes is parallel or crossing with the pivot center or the coincidence of fetch rudder.
Described otic placode is provided with rotating shaft, and rotating shaft is fixed on the fetch rudder.
Described last two places of bucket of falling to navigate are connected with otic placode, and two junctions are connected with every otic placode respectively.
The described bucket that falls to navigate is wooden dipper type structure.
The described bucket that falls to navigate is the trousers type structure of double outlets, and outboard is inclined to one side to the left and right respectively for two water outlets.
The present invention compares with the navigating reversing device of the water jet propulsion ship of prior art, has the following advantages:
This device will navigate that bucket directly is located on the fetch rudder and can by with the driving assembly deciliter rotation of boats and ships operating-controlling mechanism, during this time, the boat bucket that falls can rotate in the lump with the fetch rudder, but obtain down the reflection of boat bucket from the current actv. that the fetch rudder ejects, and the reflection runner that the boat of falling struggles against is smooth, stability under loading, current reflection efficiency height is beneficial to the boat of falling that improves boats and ships and controls.In addition, this navigating reversing device is simple in structure, does not need numerous and diverse connecting rod control, and expendable weight is little, and the manufacturing that is beneficial to product is promoted.
Description of drawings
Accompanying drawing 1 is the structural representation of most preferred embodiment of the present invention.
Accompanying drawing 2 to accompanying drawing 4 is the scheme drawing of the three kinds of structures of bucket of falling to navigate of the present invention.
When accompanying drawing 5 to accompanying drawing 7 is the different boat of three kinds in boats and ships attitude, relevant work state of the present invention control the position scheme drawing.
The specific embodiment
The invention will be further described below in conjunction with accompanying drawing.
According to shown in Figure 1, the navigating reversing device of water jet propulsion ship of the present invention comprises down boat bucket 1, and it sprays current in order to reflection from water jet nozzle, make its reverse turnover, thereby forms the hydrodynamic force of navigating of reverse course.And the otic placode 3 that the bucket 1 that falls to navigate of the present invention rotates by boat rudder 2 fixed points that can rotate is arranged on the fetch rudder 2, and otic placode 3 is connected with the driving assembly 4 of boats and ships operating-controlling mechanism, and promptly boat bucket 1 can be driven by otic placode 3, and rudder 2 swings of navigating realize rotating.Otic placode 3 of the present invention is two, the pivot center of two otic placodes 3 is parallel or crossing with the pivot center or the coincidence of fetch rudder 2, otic placode 3 is provided with rotating shaft 5, rotating shaft 5 is fixed on the fetch rudder 2, that is be positioned at fetch rudder 2 pivots center on the parallel same axis, otic placode 3 and rotating shaft 5 are combined to form down struggle against 1 the hinged point of swing of boat.And two places are connected with otic placode 3 on the bucket 1 that falls to navigate, and two junctions are connected with every otic placode 3 respectively.The pivot center of otic placode 3 of the present invention and the rotating shaft 5 plumb bob vertical direction that can coexist with the pivot center of fetch rudder 2, perhaps also can exist certain inclination angle to install, but in practical design is used, boat bucket 1 of the present invention in use, the boat that should rotate rudder 2 swings to good, penetrate about the current direction of ejection so that fall to navigate, boat bucket 1 and above-mentioned swing hinged-support stability under loading both can have been improved down, also can avoid boats and ships on shallow draft waterway, spray current downwards and evoke the silt foreign material and produce scratch, erosion falling boat bucket 1 and boost pump.
For being fit to of the outfit requirement of various boats and ships to the bucket 1 that falls to navigate, the wooden dipper type structure of the bucket 1 that falls to navigate of the present invention, can be as Fig. 2, shown in Figure 3, its water outlet is all downwards back turnovers (tool one empty inclination angles) forward, or be askew to a side (general for two main frames pair water jet propulsion pumps with the askew outside side of a ship); Also can be the trousers type structure of double outlets, respectively outboard is inclined to one side to the left and right for two water outlets, and as shown in Figure 4, the current that are reflected are divided into the oblique again ejection down of staboard aft. of slightly not taking back of two stocks.
When Fig. 5 is three kinds of difference boats of boats and ships attitude to Fig. 7, corresponding work state of the present invention:
What Fig. 5 reflected is the state of falling the boat of boats and ships, during this time, the boat bucket 1 that falls depart from its just the boat state turn to the dead aft of fetch rudder 2, whole areas of conter of rudder mouth have been covered, the boat bucket 1 that falls all reflects from fetch rudder 2 ejection current, current after the reflection have backward propelling thrust to boats and ships, realize the boat of falling of boats and ships.
What Fig. 6 reflected is the state in the boat of boats and ships, the boat bucket 1 that falls has been covered the area of conter of fetch rudder 2 rudder mouths about 2/3, eject about 2/3 current from fetch rudder 2 and fallen 1 reflection of boat bucket, at this moment, boats and ships are subjected to the forward propulsion of boost pump to be tending towards equating with the propulsive force backward that reflective water flow applies, and be zero along the ship longitudinal thrust, but ship are when steering, still have along the ship conicity force and produce steerage, to realize the boat of staying of boats and ships.
What Fig. 7 reflected is the low steaming state of boats and ships, the boat bucket 1 that falls has been covered the area of conter of fetch rudder 2 about 1/3, eject about 1/3 current from fetch rudder 2 and fallen 1 reflection of boat bucket, at this moment, boats and ships be reflected by the forward propulsion of boost pump propulsive force backward that current apply is cut down a part, realize the low steaming of boats and ships.This dependence is fallen boat bucket beat degree and is covered rudder mouth area of conter size, can main frame not speed change be issued to the stepless change of boats and ships thrust, give full play to the waterjet propulsion characteristics.
In three kinds of the above-mentioned boats and ships boat attitudes, when two boost pump, if cooperate the deflection control of fetch rudder 2, boats and ships just can realize side travel or forward, oblique navigation backward, flexible.When boats and ships just navigated, the boat of falling all only need be changeed in fetch rudder 2 one sides, does not hinder jet water course, during, the boat bucket 1 that falls also can together rotate with fetch rudder 2.
In sum, this device bucket that will navigate 1 directly is located on the fetch rudder 2, can rotate in the lump with fetch rudder 2, the reflection runner of boat bucket 1 is smooth, stability under loading, current reflection efficiency height, and this navigating reversing device is simple in structure, do not need numerous and diverse connecting rod control, expendable weight is little, and boats and ships fall boat control accurately, and the shell-like structure of boat bucket 1 disperses rationally its suffered stress, can realize the change boat attitude that boats and ships are flexible, be widely used in high-speed vessel,, also can be used for water jet propulsion ships such as various port operations, auxiliary vessel and push boat with under ship stern end configuration combines.
Claims (6)
1. the navigating reversing device of a water jet propulsion ship, comprise down the boat bucket, it is characterized in that: the otic placode (3) that the described bucket (1) that falls to navigate rotates by boat rudder (2) fixed point that can rotate is located on the fetch rudder (2), and otic placode (3) is connected with the driving assembly (4) of boats and ships operating-controlling mechanism.
2. according to the navigating reversing device of the described water jet propulsion ship of claim 1, it is characterized in that: described otic placode (3) is two, and the pivot center of two otic placodes (3) is parallel or crossing with the pivot center or the coincidence of fetch rudder (2).
3. according to the navigating reversing device of claim 1 or 2 described water jet propulsion ships, it is characterized in that: described otic placode (3) is provided with rotating shaft (5), and rotating shaft (5) is fixed on the fetch rudder (2).
4. according to the navigating reversing device of the described water jet propulsion ship of claim 1, it is characterized in that: described bucket (1) last two places of falling to navigate are connected with otic placode (3), and two junctions are connected with every otic placode (3) respectively.
5. according to the navigating reversing device of the described water jet propulsion ship of claim 1, it is characterized in that: the described bucket (1) that falls to navigate is wooden dipper type structure.
6. according to the navigating reversing device of the described water jet propulsion ship of claim 1, it is characterized in that: the described bucket (1) that falls to navigate is the trousers type structure of double outlets, and two water outlets are inclined to one side outside bilateral respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100309547A CN101134502A (en) | 2007-10-22 | 2007-10-22 | Navigating reversing device of the water jet propulsion ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100309547A CN101134502A (en) | 2007-10-22 | 2007-10-22 | Navigating reversing device of the water jet propulsion ship |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101134502A true CN101134502A (en) | 2008-03-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100309547A Pending CN101134502A (en) | 2007-10-22 | 2007-10-22 | Navigating reversing device of the water jet propulsion ship |
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| CN (1) | CN101134502A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143854A (en) * | 2016-07-14 | 2016-11-23 | 武汉船用机械有限责任公司 | A kind of hydraulic jet propulsion system steering water conservancy diversion door leaf structure and manufacture method thereof |
| CN111301653A (en) * | 2020-02-24 | 2020-06-19 | 上海海事大学 | Reverse sailing device of water jet propulsion ship |
| CN114104247A (en) * | 2021-12-03 | 2022-03-01 | 中国船舶工业集团公司第七0八研究所 | Gear-driven water jet propulsion device control mechanism |
-
2007
- 2007-10-22 CN CNA2007100309547A patent/CN101134502A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106143854A (en) * | 2016-07-14 | 2016-11-23 | 武汉船用机械有限责任公司 | A kind of hydraulic jet propulsion system steering water conservancy diversion door leaf structure and manufacture method thereof |
| CN106143854B (en) * | 2016-07-14 | 2017-11-17 | 武汉船用机械有限责任公司 | A kind of hydraulic jet propulsion system steering water conservancy diversion door leaf structure and its manufacture method |
| CN111301653A (en) * | 2020-02-24 | 2020-06-19 | 上海海事大学 | Reverse sailing device of water jet propulsion ship |
| CN114104247A (en) * | 2021-12-03 | 2022-03-01 | 中国船舶工业集团公司第七0八研究所 | Gear-driven water jet propulsion device control mechanism |
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