CN104071322A - Self-lubrication adjustable-pitch propeller and hydraulic and lubricating system for adjustable-pitch propeller - Google Patents
Self-lubrication adjustable-pitch propeller and hydraulic and lubricating system for adjustable-pitch propeller Download PDFInfo
- Publication number
- CN104071322A CN104071322A CN201410218858.5A CN201410218858A CN104071322A CN 104071322 A CN104071322 A CN 104071322A CN 201410218858 A CN201410218858 A CN 201410218858A CN 104071322 A CN104071322 A CN 104071322A
- Authority
- CN
- China
- Prior art keywords
- pipeline
- oil
- propeller hub
- reversing
- hydraulic pressure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000001050 lubricating effect Effects 0.000 title claims abstract description 44
- 238000005461 lubrication Methods 0.000 title abstract description 12
- 239000003921 oil Substances 0.000 claims abstract description 151
- 239000010687 lubricating oil Substances 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 239000010720 hydraulic oil Substances 0.000 claims description 31
- 230000005484 gravity Effects 0.000 claims description 25
- 230000008878 coupling Effects 0.000 claims description 21
- 238000010168 coupling process Methods 0.000 claims description 21
- 238000005859 coupling reaction Methods 0.000 claims description 21
- 238000001914 filtration Methods 0.000 claims description 9
- 238000004062 sedimentation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 5
- 230000004044 response Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract 2
- 238000005192 partition Methods 0.000 abstract 1
- 230000006872 improvement Effects 0.000 description 11
- 230000000694 effects Effects 0.000 description 6
- 239000002002 slurry Substances 0.000 description 6
- 239000000314 lubricant Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000013535 sea water Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- General Details Of Gearings (AREA)
Abstract
The invention discloses a self-lubrication adjustable-pitch propeller and a hydraulic and lubricating system for an adjustable-pitch propeller. The hydraulic and lubricating system for the adjustable-pitch propeller comprises a hydraulic unit, an advancing pipeline, a reversing pipeline, a throttle and an extraction pipeline, wherein the hydraulic unit is communicated and connected to an advancing chamber in a propeller hub oil cylinder, the hydraulic unit is communicated and connected to a reversing chamber in the propeller hub oil cylinder, the throttle is communicated and connected between the reversing chamber and a propeller hub inner cavity, and one end of the extraction pipeline is communicated and connected with the propeller hub inner cavity. The self-lubrication adjustable-pitch propeller comprises a propeller hub, the propeller hub oil cylinder, a propeller hub partition board, a hollow gear case shaft, propeller blades, a guiding mechanism and the hydraulic and lubricating system for the adjustable-pitch propeller. The structural design of the self-lubrication adjustable-pitch propeller is ingenious, dynamic lubrication is performed on the propeller hub inner cavity, and at the same time, hydraulic and lubrication requirements for the adjustable-pitch propeller can be satisfied, so that lubricating oil in the propeller hub inner cavity can effectively perform flowing lubrication, and can effectively shorten the response time of a pitch.
Description
Technical field
The technical field of the adjustable pitch oar design the present invention relates to, especially relates to a kind of self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure and lubricating system that propeller blade for ship bearing seat and other propeller hub internal motion parts are lubricated.
Background technology
Adjustable pitch propeller peculiar to vessel claims again adjustable pitch oar, it can be by regulating pitch to change ship's speed, realize the ahead and astern of boats and ships, and can mate main frame or the different rotating speed of motor, thereby make boats and ships under various operating mode and reach good fuel efficiency and operability.As shown in Figure 1, figure mono-has shown the adjustable pitch slurry being arranged in hull and has driven.This adjustable pitch slurry comprises and propeller hub and blade is driven by a driving engine via gear case and prop shaft.
Because the adjustable characteristic of blade angle has determined that some parts in propeller hub must be movable parties.In interaction process, produce corrosion and undue wear for fear of these movable parties, lubricating oil or other greasing substances just need to be sent in propeller hub and blade bearing.
At present, known adjustable pitch oar propeller hub lubricated is to open hole by tailing axle flange to make propeller hub follow stern pipe to be communicated with, and stern pipe hydraulic oil introduced to propeller hub or on distributing box, increase the access way of propeller hub oil.But propeller hub is introduced stern pipe hydraulic oil, mode is static lubrication, cannot take the inner impurity of propeller hub out of and propeller hub oil is detected by actv., and long-term use can increase the weight of the wearing and tearing of propeller hub internal part; The mode that oil discharge passage is entered in oil distributor increase makes oil distributor complex structure, increase the probability and the maintenance difficulties that break down, and increase two-way pipeline can take hollow shaft inner space, reduced the valid circulation area of ahead and astern pressure oil, thereby affected pitch response time.
Therefore, the applicant is devoted to develop a kind of self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure and lubricating system, overcome not defect rapidly of the undesirable and pitch response time of existing adjustable pitch oar propeller hub lubricant effect, realization can make lubricating oil actv. in propeller hub flow, improve propeller hub lubricant effect, can also promote the goal of the invention of pitch response time simultaneously.
Summary of the invention
In view of the deficiency of above-mentioned prior art existence, the present invention proposes a kind of self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure and lubricating system, overcome not defect rapidly of the undesirable and pitch response time of existing adjustable pitch oar propeller hub lubricant effect, realization can make lubricating oil actv. in propeller hub flow, improve propeller hub lubricant effect, can also promote the goal of the invention of pitch response time simultaneously.
For achieving the above object, the invention provides a kind of adjustable pitch oar hydraulic pressure and lubricating system, comprise: the hydraulic pressure unit of carrying for hydraulic oil, for the positive car pipeline that in propeller hub oil cylinder, positive car chamber hydraulic oil is carried, for the reversing pipeline that in propeller hub oil cylinder, reversing chamber hydraulic oil is carried, for by the hydraulic oil drainage in described reversing chamber to propeller hub inner chamber as the cutoff port of lubricating oil, and the pipeline of drawing for the lubricating oil of described propeller hub inner chamber is drawn.
Described hydraulic pressure unit is connected to the in-oil cylinder positive car chamber of described propeller hub by the conducting of described positive car pipeline, described hydraulic pressure unit is connected to the in-oil cylinder reversing chamber of described propeller hub by the conducting of described reversing pipeline, described cutoff port conducting is connected between described reversing chamber and described propeller hub inner chamber, described in draw pipeline one end conducting be connected on described propeller hub inner chamber.
As a further improvement on the present invention, described reversing pipeline and described positive car pipeline form two cannula configuration, described reversing pipeline is as outer tube, described positive car pipeline is as inner sleeve, described reversing pipeline is set on described positive car pipeline, the direct conducting of described positive car pipeline is to the interior positive car chamber of described propeller hub oil cylinder, and described reversing pipeline is the end part seal in positive car chamber in described propeller hub oil cylinder, is connected in described propeller hub oil cylinder and is moveed backward in chamber by all sides conducting of described reversing pipeline.
As a further improvement on the present invention, the axis of described positive car pipeline and described reversing pipeline overlaps.
As a further improvement on the present invention, described positive car pipeline is formed by connecting by the pipeline of two or more, described reversing pipeline is formed by connecting by the pipeline of two or more, the number of tubes that described positive car pipeline and described reversing pipeline adopt is equal, and adjacent channel junction adopts joint to dock.
Described joint comprises male joint and female joint, on the joint coupling end of described male joint, be formed with for the first step of sheathed described positive car pipeline with for the second step of sheathed described reversing pipeline, described first step is formed by the outer face middle part outwardly convex of described second step, the joint coupling end of described female joint is identical with the structure of the joint coupling end of described male joint, described male joint and described female joint removably connect and are integrated, the opposing setting of joint coupling end of the joint coupling end of male joint and female joint, step surface towards the first step of described female joint on the step surface of the first step of described male joint connects the internal oil passages passage offering for being connected with the conducting of described positive car pipeline, on the step surface of the second step of described male joint, on the step surface of the second step of described female joint, connect the outside oil circuit duct offering for being connected with the conducting of described reversing pipeline.
As a further improvement on the present invention, all lateral projections of the first step of described male joint are provided with O RunddichtringO, and described positive car pipeline directly seals noose on all sides of the first step of described male joint, and/or all lateral projections of the first step of described female joint are provided with O RunddichtringO, another positive car pipeline directly seals noose on all sides of the first step of described female joint, and/or, on all sides of the second step of described male joint, forming helicitic texture, described reversing pipeline is threaded on all sides of second step of described male joint, and/or, on all sides of the second step of described female joint, forming helicitic texture, another reversing pipeline is threaded on all sides of second step of described male joint, and/or, the protruding coupling end that described male joint is used for removably connecting with described female joint is formed with the 3rd step and the 4th step, described the 3rd step is formed by the outer face middle part outwardly convex of described the 4th step, the spill coupling end that described female joint is used for removably connecting with described male joint is formed with the first groove and the second groove, described the first groove is caved inward and is formed by the inner end surface middle part of described the second groove, described the 3rd step sealing is arranged in described the first groove, described the 4th step is sealedly connected in described the second groove, internal oil passages passage in described male joint is docked to by the step surface of described the 3rd step on the internal oil passages passage of described female joint, outside oil circuit duct in described male joint is docked to by the step surface of described the 4th step on the outside oil circuit duct of described female joint, and/or the quantity of described internal oil passages passage is 1, the quantity in described outside oil circuit duct is 2-20 bar.
As a further improvement on the present invention, described adjustable pitch slurries are pressed and lubricating system also comprises: for storing the oil gravity tank of lubricating oil of the described propeller hub inner chamber that described fairlead pass goes out, described one end conducting of drawing pipeline is connected on described propeller hub inner chamber, described other end conducting of drawing pipeline is connected on described oil gravity tank, and described oil gravity tank conducting is connected on described hydraulic pressure unit.
As a further improvement on the present invention, is divided into oil suction chamber and goes out oil pocket by a weir divider in described oil gravity tank, described in draw pipeline conducting on described oil suction chamber, described oil gravity tank by described go out oil pocket be connected with described hydraulic pressure unit conducting.
As a further improvement on the present invention, described hydraulic pressure unit comprises oil resevoir, Hydraulic Pump, electromagnetic valve group and oil dispenser, described oil resevoir is connected in described electromagnetic valve group by described Hydraulic Pump, described electromagnetic valve group connects described oil dispenser and is connected described positive car chamber and described reversing chamber by described positive car pipeline and described reversing pipeline are corresponding, and described oil gravity tank conducting is connected to described oil resevoir.
As a further improvement on the present invention, described in, draw the sedimentation and filtration device being provided with on pipeline for the lubricating oil of deriving being carried out to sedimentation and filtration.
The invention allows for a kind of self-lubricating adjustable pitch oar, comprise propeller hub, propeller hub oil cylinder, propeller hub dividing plate, hollow gear case axle, blade, guiding mechanism and adjustable pitch slurries are pressed and lubricating system, described hollow gear case axle connects described propeller hub, the outer circumferential side of described propeller hub is provided with some blades, the inside of described propeller hub is formed with propeller hub inner chamber, described adjustable pitch oar hydraulic pressure and lubricating system connect described propeller hub oil cylinder, described propeller hub oil cylinder comprises cylinder body, piston and hollow piston connecting rod, described cylinder body is arranged on described propeller hub and the opposing end face of described hollow gear case axle, separate by described propeller hub dividing plate and described propeller hub inner chamber, described piston is arranged in described cylinder body, described cylinder body is divided into positive car cavity and reversing cavity, described hollow piston connecting rod one end is connected on described piston, the other end stretches into described propeller hub inner chamber through described propeller hub dividing plate, described guiding mechanism is connected on described blade and described hollow piston connecting rod, described hollow piston connecting rod drives described blade to carry out pitch adjustment by described guiding mechanism.Wherein, adjustable pitch slurries of the present invention are pressed and lubricating system is that aforesaid adjustable pitch slurries are pressed and lubricating system, described positive car pipeline and described reversing pipeline wear along described hollow gear case axle and extending axially of described hollow piston connecting rod, described cutoff port conducting is arranged on described propeller hub dividing plate, and described reversing chamber and described propeller hub inner chamber are carried out to conducting setting.
The beneficial effect of self-lubricating adjustable pitch oar of the present invention and adjustable pitch oar hydraulic pressure and lubricating system is as follows:
1. self-lubricating adjustable pitch oar of the present invention and adjustable pitch oar hydraulic pressure thereof and lubrication system architecture design are ingenious, carrying out hydraulic work at propeller hub oil cylinder adjusts in the process of pitch, utilize cutoff port that the hydraulic oil in described reversing chamber is pumped into and in propeller hub inner chamber, is used as lubricating oil the blade spindle bearing in propeller hub inner chamber, guiding mechanism and other propeller hub internal motion parts are carried out to dynamically lubricating, met hydraulic pressure and the lubrication needs of adjustable pitch oar simultaneously, and make the lubricating oil of propeller hub inner chamber can actv. current lubrication and actv. promote the response time of pitch.
2. the two-way hydraulic tubing of self-lubricating adjustable pitch oar of the present invention and adjustable pitch oar hydraulic pressure and lubricating system (positive car pipeline and reversing pipeline) is combined to form two cannula configuration, be connected in described propeller hub oil cylinder and move backward in chamber by all sides conducting of described reversing pipeline, and utilize the hydraulic oil in reversing chamber to pass through cutoff port conducting to propeller hub inner chamber, avoid being increased again by hydraulic pressure unit the passage of a road supply propeller hub inner chamber lubricating oil, simplify system architecture, increase the valid circulation area of two cannula configuration, and be conducive to recycling of hydraulic oil and lubricating oil.
3. the present invention has designed the joint connecting between the each pipeline section of two cannula configuration, realize actv. as a whole multiple pipeline section compositions, not only ensure the effective discharge of positive car pipeline and reversing pipeline, joint can also play the effect of supporting pipeline simultaneously, simplify the structure of integral joint, assembling process has been avoided the operation of welding, has effectively promoted packaging efficiency, is extremely adapted at applying on adjustable pitch oar.
4. the present invention has added oil gravity tank, can ensure that the lubricating oil of propeller hub inner chamber is followed the rational pressure reduction of external sea water by calculating the height of oil gravity tank placement, further ensures the sealing property that propeller hub is good.
5. the present invention adds weir divider and is divided into oil suction chamber and goes out oil pocket in oil gravity tank, described in inciting somebody to action, draw pipeline conducting on described oil suction chamber, by described go out oil pocket be connected with described oil resevoir conducting, form Efficient Cycle, and described oil suction chamber simultaneously can ensure lasting pressure feed propeller hub inner chamber.
6. the present invention is also convenient to lubricating oil to monitor, and then learns the running condition of adjustable pitch oar.
Brief description of the drawings
Fig. 1 is conventional adjustable pitch oar propulsion system arrangement plan peculiar to vessel.
Fig. 2 is the structural representation of specific embodiment self-lubricating adjustable pitch oar.
Fig. 3 is the A place total cross-section organigram of Fig. 2.
Fig. 4 is the B place total cross-section organigram of Fig. 2.
Fig. 5 is the structural representation of specific embodiment joint.
Fig. 6 is the organigram of specific embodiment male joint.
Fig. 7 is the organigram of specific embodiment female joint.
Primary clustering nomenclature in figure:
Adjustable pitch oar hydraulic pressure and lubricating system 100, hydraulic pressure unit 110, oil resevoir 111, Hydraulic Pump 112, electromagnetic valve group 113, oil dispenser 114, positive car pipeline 120, reversing pipeline 130, cutoff port 140, draw pipeline 150, propeller hub oil cylinder 200, positive car chamber 210, reversing chamber 220, cylinder body 230, piston 240, hollow piston connecting rod 250, propeller hub inner chamber 300, joint 400, male joint 410, first step 411, second step 412, the 3rd step 413, the 4th step 414, female joint 420, the first groove 421, the second groove 422, internal oil passages passage 430, outside oil circuit duct 440, oil gravity tank 500, weir divider 510, oil suction chamber 520, go out oil pocket 530, propeller hub 600, propeller hub dividing plate 700, hollow gear case axle 800, blade 900, positive car is imported and exported AH, AS is imported and exported in reversing.
Detailed description of the invention
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Embodiment mono-:
As shown in Figure 2, the present embodiment proposes a kind of adjustable pitch oar hydraulic pressure and lubricating system 100, comprise: the hydraulic pressure unit 110 of carrying for hydraulic oil, the positive car pipeline 120 of carrying for interior positive car chamber 210 hydraulic oil of propeller hub oil cylinder 200, the reversing pipeline 130 of carrying for interior reversing chamber 220 hydraulic oil of propeller hub oil cylinder 200, for by reversing the hydraulic oil drainage in chamber 220 to propeller hub inner chamber 300 cutoff port 140 as lubricating oil, and draw pipeline 150 for what the lubricating oil of propeller hub inner chamber 300 was drawn.
The hydraulic pressure unit 110 of the present embodiment is connected to the positive car chamber 210 in propeller hub oil cylinder 200 by positive car pipeline 120 conductings, hydraulic pressure unit 110 is connected to the reversing chamber 220 in propeller hub oil cylinder 200 by 130 conductings of reversing pipeline, cutoff port 140 conductings are connected between reversing chamber 220 and propeller hub inner chamber 300, and one end conducting of drawing pipeline 150 is connected on propeller hub inner chamber 300.
The adjustable pitch oar hydraulic pressure of the present embodiment and lubricating system utilize cutoff port 140 that the hydraulic oil in reversing chamber 220 is pumped in propeller hub inner chamber 300 and is used as lubricating oil, to the blade spindle bearing in propeller hub inner chamber 300, guiding mechanism and other propeller hub internal motion parts carry out dynamically lubricating, system has met propeller hub oil cylinder 200 simultaneously and has carried out the hydraulic pressure needs of pitch adjustment and the dynamically lubricating needs of propeller hub inner chamber 300 each movable parties, the way of additional channel for oiling compared to existing technology, save the setting of pipeline, for positive car pipeline has been vacateed space has more been set with reversing pipeline, further actv. promotes pitch response time, and integral structure is more simple and reliable, lubricant effect is better.
As the further detailed description of the invention of the present embodiment, as shown in Figure 3 and Figure 4, the reversing pipeline 130 of the present embodiment and positive car pipeline 120 form two cannula configuration, reversing pipeline 130 is as outer tube, positive car pipeline 120 is as inner sleeve, reversing pipeline 130 is set on positive car pipeline 120, the positive direct conducting of car pipeline 120 is to the interior positive car chamber of propeller hub oil cylinder 200, the end part seal of reversing pipeline 130 in the interior positive car chamber 210 of propeller hub oil cylinder 200, is connected in the interior reversing chamber 220 of propeller hub oil cylinder 200 by all sides conducting of reversing pipeline 130.
Exemplary, the axis by positive car pipeline 120 and reversing pipeline 130 of the present embodiment overlaps and arranges, the pipe cross-sectional plane of two cannula configuration is concentric circles form, and the hydraulic oil of positive car chamber 210 is walked inner sleeve, and the hydraulic oil of reversing chamber 220 is walked the circular clearance between inner sleeve and outer tube.
In adjustable pitch oar hydraulic compressor lubricating system peculiar to vessel, the length of required positive car pipeline 120 and reversing pipeline 130 is longer, conventionally positive car pipeline 120 need to be connected to extension with the pipeline that reversing pipeline 130 is divided into two or more separately.Concrete, in the present embodiment, positive car pipeline 120 is divided into separately two sections with reversing pipeline 130 and is connected, and adopts joint 400 to dock in adjacent channel junction.Because positive car pipeline 120 and reversing pipeline 130 need to form two cannula configuration, so generally the joint of pipeline cannot well meet the positive car pipeline of the present embodiment and the use needs of reversing pipeline.
As shown in Figure 5, the joint 400 that the present embodiment adopts comprises male joint 410 and female joint 420.As shown in Figure 6, on the joint coupling end of the male joint 410 of the present embodiment, be formed with for the first step 411 of sheathed positive car pipeline 120 with for the second step 412 of sheathed reversing pipeline 130, first step 411 is formed by the outer face middle part outwardly convex of second step 412.As shown in Figure 7, the joint coupling end of the female joint 420 of the present embodiment is identical with the structure of the joint coupling end of male joint 410, there is first step and the second step of same structure, male joint 410 removably connects and is integrated with female joint 420, the opposing setting of joint coupling end of the joint coupling end of male joint 410 and female joint 420, step surface towards the first step of female joint 420 on the step surface of the first step 411 of male joint 410 connects the internal oil passages passage 430 offering for being connected with positive car pipeline 120 conductings, on the step surface of the second step 412 of male joint 410, on the step surface of the second step of female joint 420, connect the outside oil circuit duct 440 offering for being connected with 130 conductings of reversing pipeline.
Concrete, all lateral projections of the first step 411 of the male joint 410 of the present embodiment are provided with the O RunddichtringO (mounting groove only illustrating in figure, not shown O RunddichtringO), positive car pipeline 120 directly seals noose on all sides of the first step 411 of male joint 410.All lateral projections of the first step of female joint 420 are provided with O RunddichtringO (mounting groove only illustrating in figure, not shown O RunddichtringO), and another section of positive car pipeline 120 directly seals noose on all sides of the first step of female joint 420.On all sides of the second step 412 of male joint 410, form helicitic texture, reversing pipeline 130 is threaded on all sides of second step 412 of male joint 410.On all sides of the second step of female joint 420, form helicitic texture, another reversing pipeline 130 is threaded on all sides of second step 412 of male joint 410.
As shown in Figure 6, the male joint 410 of the present embodiment is formed with the 3rd step 413 for the protruding coupling end removably connecting with female joint 420 and the 4th step 414, the three steps 413 are formed by the outer face middle part outwardly convex of the 4th step 414.As shown in Figure 7, female joint 420 is formed with the first groove 421 for the spill coupling end removably connecting with male joint 410 and the second groove 422, the first grooves 421 are caved inward and formed by the inner end surface middle part of the second groove 422.As shown in Figure 5, the 3rd step 413 sealings are arranged in the first groove 421, the 4th step 414 is sealedly connected in the second groove 422, internal oil passages passage 430 in male joint 410 is docked to by the step surface of the 3rd step 413 on the internal oil passages passage 430 of female joint 420, and the outside oil circuit duct 440 in male joint 410 is docked on the outside oil circuit duct 440 of female joint 420 by the step surface of the 4th step 414.
Exemplary, the quantity of the internal oil passages passage 430 of the present embodiment setting is 1, and the quantity in outside oil circuit duct 440 is 14, and as shown in Figure 5,14 outside oil circuit ducts are evenly arranged round internal oil passages passage.
Certainly,, in other specific embodiments, described reversing pipeline and described positive car pipeline can also separate independent setting or carry out as required the sheathed of different axis except forming above-mentioned pair of cannula configuration form.Adopt joint concrete structure and also can adjust as required combination with the concrete connection mode of each pipeline.The quantity in described internal oil passages passage and described outside oil circuit duct also can specifically be adjusted as required, if the quantity in outside oil circuit duct can be also other numbers in 2-20 bar, repeats no more herein.
As the further detailed description of the invention of the present embodiment, as shown in Figure 3 and Figure 4, adjustable pitch oar hydraulic pressure and the lubricating system 100 of the present embodiment also comprise: for storing the oil gravity tank 500 of the lubricating oil of drawing the propeller hub inner chamber 300 that pipeline 150 draws, one end conducting of drawing pipeline 150 is connected on propeller hub inner chamber 300, the other end conducting of drawing pipeline 150 is connected on oil gravity tank 500, and oil gravity tank 500 conductings are connected on hydraulic pressure unit 110.Concrete, in oil gravity tank 500, be divided into oil suction chamber 520 and go out oil pocket 530 by a weir divider 510, draw pipeline 150 conductings on oil suction chamber 520, oil gravity tank 500 is connected with hydraulic pressure unit 110 conductings by going out oil pocket 530.Wherein, can as required oil gravity tank be placed on to suitable height, ensure that the lubricating oil of propeller hub inner chamber, with the rational pressure reduction of external sea water, further ensures the sealing property that propeller hub is good.
Exemplary, the hydraulic pressure unit 110 of the present embodiment comprises oil resevoir 111, Hydraulic Pump 112, electromagnetic valve group 113 and oil dispenser 114, oil resevoir 111 is connected in electromagnetic valve group 113 by Hydraulic Pump 112, electromagnetic valve group 113 connects oil dispenser 114 by corresponding positive car chamber 210 and the reversing chamber 220 of being connected of positive car pipeline 120 and reversing pipeline 130, and oil gravity tank 500 conductings are connected on oil resevoir 111.As shown in Figure 2, the hydraulic oil being stored in oil resevoir 111 is pumped by Hydraulic Pump 112, enters oil dispenser 114 via the electromagnetic valve group 113 that can control the hydraulic oil flow direction.
The environment of lubricating oil in propeller hub inner chamber 300 in a relative closure, so that the quality of lubricating oil just seems is particularly important, and current each lubricating system is not made actv. way to this.For the needs to lubricating oil condition monitoring and optimization, the present embodiment is being drawn the sedimentation and filtration device (not shown) being provided with on pipeline 150 for the lubricating oil of deriving being carried out to sedimentation and filtration, simultaneously can also sample point and oily monitor (not shown) etc. be set on pipeline 150 drawing, because lubricating oil constantly flows out from propeller hub inner chamber 300, moisture or other impurity that propeller hub inner chamber 300 can be existed are like this taken propeller hub out of, can learn the oily situation of lubricating oil by sample point and oily monitor, can indirectly know the lubrication circumstances of each movable parts of propeller hub inner chamber by analyzing its oily situation, then learn the running condition of adjustable pitch oar.And after the lubricating oil of drawing processes via described sedimentation and filtration device, get back to hydraulic pressure unit, lubricating oil has also obtained corresponding improvement in constantly circulating like this.
Embodiment bis-:
As shown in Figure 2, the present embodiment proposes a kind of self-lubricating adjustable pitch oar, comprise propeller hub 600, propeller hub oil cylinder 200, propeller hub dividing plate 700, hollow gear case axle 800, blade 900, guiding mechanism and adjustable pitch oar hydraulic pressure and lubricating system 100, hollow gear case axle 800 connects propeller hub 600, the outer circumferential side of propeller hub 600 is provided with some blades 900, the inside of propeller hub 600 is formed with propeller hub inner chamber 300, adjustable pitch oar hydraulic pressure and lubricating system 100 connect propeller hub oil cylinder 200, propeller hub oil cylinder 200 comprises cylinder body 230, piston 240 and hollow piston connecting rod 250, cylinder body 230 is arranged on the opposing end face of propeller hub 600 and hollow gear case axle 800, separate by propeller hub dividing plate 700 and propeller hub inner chamber 300, piston 240 is arranged in cylinder body 230, cylinder body 230 is divided into positive car cavity 210 and reversing cavity 220, hollow piston connecting rod 250 one end are connected on piston 240, the other end stretches into propeller hub inner chamber 300 through propeller hub dividing plate 700, described guiding mechanism is connected on blade 900 and hollow piston connecting rod 250, hollow piston connecting rod 250 drives blade 900 to carry out pitch adjustment by described guiding mechanism.
Wherein, the oar hydraulic pressure of adjustable pitch described in the present embodiment and lubricating system are the adjustable pitch oar hydraulic pressure described in embodiment mono-and lubricating system 100, positive car pipeline 120 and reversing pipeline 130 wear along hollow gear case axle 800 and extending axially of hollow piston connecting rod 250, cutoff port 140 conductings are arranged on propeller hub dividing plate 700, and reversing chamber 220 and propeller hub inner chamber 300 are carried out to conducting setting.
Exemplary, as shown in Figure 3 and Figure 4, two cannula configuration that positive car pipeline 120 and reversing pipeline 130 form are arranged along the axis of the cavity in hollow piston connecting rod 250 and hollow gear case axle 800, draw pipeline 150 and draw setting along hollow piston connecting rod 250 and extending axially of hollow gear case axle 800.
Adjustable pitch oar hydraulic pressure described in the present embodiment and the concrete technical scheme of lubricating system 100 can be referring to contents described in embodiment mono-, propeller hub 600, propeller hub oil cylinder 200, propeller hub dividing plate 700, hollow gear case axle 800, blade 900 and/or guiding mechanism all can directly be chosen as required on market, can arrange with reference to the structure of existing adjustable pitch oar, repeat no more herein simultaneously.
Exemplary, the applicable cases of the present embodiment self-lubricating adjustable pitch oar is as follows:
As shown in Figure 2, the hydraulic oil being stored in oil resevoir 111 is pumped by Hydraulic Pump 112, enter oil dispenser 114 via the electromagnetic valve group 113 that can control the hydraulic oil flow direction, the hydraulic oil of being controlled by electromagnetic valve group 113 enters positive car pipeline 120 or reversing pipeline 130 by oil dispenser 114.As shown in Figure 4, importing and exporting AH by the positive car in Fig. 4 can be connected with positive car pipeline 120 conductings, conveying liquid force feed is to positive car chamber 210, importing and exporting AS by the reversing in Fig. 4 can be connected with 130 conductings of reversing pipeline, conveying liquid force feed is to the chamber 220 of moveing backward, due to the promotion of hydraulic oil, the piston 240 of propeller hub oil cylinder 200 can do axially reciprocating with respect to propeller hub 600 according to the different oil-feed direction of hydraulic oil.
In the time that piston 240 carries out axial motion, drive hollow piston connecting rod 250 is axially moved, hollow piston connecting rod 250 will drive guiding mechanism action, complete the pitch control of blade 900.In the time that positive car chamber 210 starts oiling, the hydraulic oil in reversing chamber 220 also can be discharged in propeller hub inner chamber 300 by cutoff port 140 simultaneously, then draws by drawing pipeline 150, for propeller hub inner chamber 300 provides dynamically lubricating oil.
The present embodiment is in based on the operation of adjustable pitch oar, when adjustable pitch oar is in the time that pitch adjustment is moved, hydraulic oil is through entering oil dispenser 114 by pipeline after electromagnetic valve group 113, and hydraulic oil enters and is dispensed to positive car pipeline 120 after oil dispenser 114 or reversing pipeline 130 enters corresponding chamber as can be seen from Figure 4.Two cannula configuration that positive car pipeline 120 and reversing pipeline 130 are forming are along the axis arrangement of cavities of hollow gear case axle 800, and corresponding conveying liquid force feed is to the positive car chamber 210 of propeller hub oil cylinder 200 in Fig. 3 or move backward in chamber 220.The hydraulic oil that enters reversing chamber 220, by the cutoff port 140 on propeller hub dividing plate 700, reduced pressure delivery is to propeller hub inner chamber 300.Lubricating oil after propeller hub inner chamber 300 is depressurized is full of, lubricating oil is drawn via drawing pipeline 150, after sedimentation and filtration device carries out sedimentation and filtration, flow back in the oil suction chamber 520 of oil gravity tank 500, in the time that the oil plant in the oil suction chamber 520 of oil gravity tank 500 is too much, lubricating oil can overflow across weir divider 510 and enter out oil pocket 530, finally flow back in oil resevoir 111 and recycles.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. adjustable pitch oar hydraulic pressure and a lubricating system, is characterized in that: comprising:
The hydraulic pressure unit of carrying for hydraulic oil,
For the positive car pipeline that in propeller hub oil cylinder, positive car chamber hydraulic oil is carried,
For the reversing pipeline that in propeller hub oil cylinder, reversing chamber hydraulic oil is carried,
For the hydraulic oil drainage in described reversing chamber is used as to the cutoff port of lubricating oil to propeller hub inner chamber, and
For the pipeline of drawing that the lubricating oil of described propeller hub inner chamber is drawn;
Described hydraulic pressure unit is connected to the in-oil cylinder positive car chamber of described propeller hub by the conducting of described positive car pipeline, described hydraulic pressure unit is connected to the in-oil cylinder reversing chamber of described propeller hub by the conducting of described reversing pipeline, described cutoff port conducting is connected between described reversing chamber and described propeller hub inner chamber, described in draw pipeline one end conducting be connected on described propeller hub inner chamber.
2. adjustable pitch oar hydraulic pressure as claimed in claim 1 and lubricating system, it is characterized in that: described reversing pipeline and described positive car pipeline form two cannula configuration, described reversing pipeline is as outer tube, described positive car pipeline is as inner sleeve, described reversing pipeline is set on described positive car pipeline, the direct conducting of described positive car pipeline is to the interior positive car chamber of described propeller hub oil cylinder, described reversing pipeline is the end part seal in positive car chamber in described propeller hub oil cylinder, is connected in described propeller hub oil cylinder and is moveed backward in chamber by all sides conducting of described reversing pipeline.
3. adjustable pitch oar hydraulic pressure as claimed in claim 2 and lubricating system, is characterized in that: the axis of described positive car pipeline and described reversing pipeline overlaps.
4. adjustable pitch oar hydraulic pressure as claimed in claim 3 and lubricating system, it is characterized in that: described positive car pipeline is formed by connecting by the pipeline of two or more, described reversing pipeline is formed by connecting by the pipeline of two or more, the number of tubes that described positive car pipeline and described reversing pipeline adopt is equal, and adjacent channel junction adopts joint to dock;
Described joint comprises male joint and female joint, on the joint coupling end of described male joint, be formed with for the first step of sheathed described positive car pipeline with for the second step of sheathed described reversing pipeline, described first step is formed by the outer face middle part outwardly convex of described second step, the joint coupling end of described female joint is identical with the structure of the joint coupling end of described male joint, described male joint and described female joint removably connect and are integrated, the opposing setting of joint coupling end of the joint coupling end of male joint and female joint, step surface towards the first step of described female joint on the step surface of the first step of described male joint connects the internal oil passages passage offering for being connected with the conducting of described positive car pipeline, on the step surface of the second step of described male joint, on the step surface of the second step of described female joint, connect the outside oil circuit duct offering for being connected with the conducting of described reversing pipeline.
5. adjustable pitch oar hydraulic pressure as claimed in claim 4 and lubricating system, it is characterized in that: all lateral projections of the first step of described male joint are provided with O RunddichtringO, described positive car pipeline directly seals noose on all sides of the first step of described male joint; And/or,
All lateral projections of the first step of described female joint are provided with O RunddichtringO, and another positive car pipeline directly seals noose on all sides of the first step of described female joint; And/or,
On all sides of the second step of described male joint, form helicitic texture, described reversing pipeline is threaded on all sides of second step of described male joint; And/or,
On all sides of the second step of described female joint, form helicitic texture, another reversing pipeline is threaded on all sides of second step of described male joint; And/or,
The protruding coupling end that described male joint is used for removably connecting with described female joint is formed with the 3rd step and the 4th step, described the 3rd step is formed by the outer face middle part outwardly convex of described the 4th step, the spill coupling end that described female joint is used for removably connecting with described male joint is formed with the first groove and the second groove, described the first groove is caved inward and is formed by the inner end surface middle part of described the second groove, described the 3rd step sealing is arranged in described the first groove, described the 4th step is sealedly connected in described the second groove, internal oil passages passage in described male joint is docked to by the step surface of described the 3rd step on the internal oil passages passage of described female joint, outside oil circuit duct in described male joint is docked to by the step surface of described the 4th step on the outside oil circuit duct of described female joint, and/or the quantity of described internal oil passages passage is 1, the quantity in described outside oil circuit duct is 2-20 bar.
6. adjustable pitch oar hydraulic pressure and the lubricating system as described in claim 1-5 any one, it is characterized in that: described adjustable pitch oar hydraulic pressure and lubricating system also comprise: for storing the oil gravity tank of lubricating oil of the described propeller hub inner chamber that described fairlead pass goes out, described one end conducting of drawing pipeline is connected on described propeller hub inner chamber, described other end conducting of drawing pipeline is connected on described oil gravity tank, and described oil gravity tank conducting is connected on described hydraulic pressure unit.
7. adjustable pitch oar hydraulic pressure as claimed in claim 6 and lubricating system, it is characterized in that: in described oil gravity tank, be divided into oil suction chamber and go out oil pocket by a weir divider, describedly draw pipeline conducting on described oil suction chamber, described oil gravity tank by described go out oil pocket be connected with described hydraulic pressure unit conducting.
8. adjustable pitch oar hydraulic pressure as claimed in claim 6 and lubricating system, it is characterized in that: described hydraulic pressure unit comprises oil resevoir, Hydraulic Pump, electromagnetic valve group and oil dispenser, described oil resevoir is connected in described electromagnetic valve group by described Hydraulic Pump, described electromagnetic valve group connects described oil dispenser and is connected described positive car chamber and described reversing chamber by described positive car pipeline and described reversing pipeline are corresponding, and described oil gravity tank conducting is connected to described oil resevoir.
9. adjustable pitch oar hydraulic pressure as claimed in claim 6 and lubricating system, is characterized in that: described in draw the sedimentation and filtration device being provided with on pipeline for the lubricating oil of deriving being carried out to sedimentation and filtration.
10. a self-lubricating adjustable pitch oar, comprise propeller hub, propeller hub oil cylinder, propeller hub dividing plate, hollow gear case axle, blade, guiding mechanism and adjustable pitch oar hydraulic pressure and lubricating system, described hollow gear case axle connects described propeller hub, the outer circumferential side of described propeller hub is provided with some blades, the inside of described propeller hub is formed with propeller hub inner chamber, described adjustable pitch oar hydraulic pressure and lubricating system connect described propeller hub oil cylinder, described propeller hub oil cylinder comprises cylinder body, piston and hollow piston connecting rod, described cylinder body is arranged on described propeller hub and the opposing end face of described hollow gear case axle, separate by described propeller hub dividing plate and described propeller hub inner chamber, described piston is arranged in described cylinder body, described cylinder body is divided into positive car cavity and reversing cavity, described hollow piston connecting rod one end is connected on described piston, the other end stretches into described propeller hub inner chamber through described propeller hub dividing plate, described guiding mechanism is connected on described blade and described hollow piston connecting rod, described hollow piston connecting rod drives described blade to carry out pitch adjustment by described guiding mechanism, it is characterized in that:
Described adjustable pitch oar hydraulic pressure and lubricating system are adjustable pitch oar hydraulic pressure and the lubricating system described in claim 1-9 any one, described positive car pipeline and described reversing pipeline wear along described hollow gear case axle and extending axially of described hollow piston connecting rod, described cutoff port conducting is arranged on described propeller hub dividing plate, and described reversing chamber and described propeller hub inner chamber are carried out to conducting setting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218858.5A CN104071322B (en) | 2014-05-22 | 2014-05-22 | Self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure thereof and lubricating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218858.5A CN104071322B (en) | 2014-05-22 | 2014-05-22 | Self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure thereof and lubricating system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104071322A true CN104071322A (en) | 2014-10-01 |
| CN104071322B CN104071322B (en) | 2016-07-06 |
Family
ID=51593010
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410218858.5A Active CN104071322B (en) | 2014-05-22 | 2014-05-22 | Self-lubricating adjustable pitch oar and adjustable pitch oar hydraulic pressure thereof and lubricating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104071322B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107428402A (en) * | 2015-03-05 | 2017-12-01 | 瓦锡兰荷兰公司 | Arrange the method and its lubricating arrangement of the lubrication of the controlledpiston formula propeller system of marine ship |
| CN108146602A (en) * | 2017-11-17 | 2018-06-12 | 武汉船用机械有限责任公司 | The automatic string oil control device and control method of adjustable pitch airscrew |
| CN111287917A (en) * | 2020-03-05 | 2020-06-16 | 戴紫梅 | Self-lubricating wind-driven generator |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802800A (en) * | 1971-08-26 | 1974-04-09 | Lips Nv Drunen | Variable pitch propeller with emergency control |
| WO1986002901A1 (en) * | 1984-11-17 | 1986-05-22 | Sulzer-Escher Wyss Gmbh | Method and apparatus for adjusting propeller blades of a hydraulically controlled variable pitch propeller |
| RU2053162C1 (en) * | 1993-12-30 | 1996-01-27 | Научно-производственное объединение "Винт" | Shipboard propeller and reduction gear set lubrication and control hydraulic system |
| CN200954875Y (en) * | 2006-08-18 | 2007-10-03 | 武汉船用机械有限责任公司 | Two-oil-pipe distance-adjusting screw propeller capable of locking screw pitch |
| CN202130564U (en) * | 2011-04-28 | 2012-02-01 | 杭州前进齿轮箱集团股份有限公司 | Front-mounted type cylinder ship propeller hub |
| CN203864975U (en) * | 2014-05-22 | 2014-10-08 | 赵晓凯 | Self-lubricating adjustable-pitch propeller and adjustable-pitch propeller hydraulic pressure and lubrication system thereof |
-
2014
- 2014-05-22 CN CN201410218858.5A patent/CN104071322B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3802800A (en) * | 1971-08-26 | 1974-04-09 | Lips Nv Drunen | Variable pitch propeller with emergency control |
| WO1986002901A1 (en) * | 1984-11-17 | 1986-05-22 | Sulzer-Escher Wyss Gmbh | Method and apparatus for adjusting propeller blades of a hydraulically controlled variable pitch propeller |
| RU2053162C1 (en) * | 1993-12-30 | 1996-01-27 | Научно-производственное объединение "Винт" | Shipboard propeller and reduction gear set lubrication and control hydraulic system |
| CN200954875Y (en) * | 2006-08-18 | 2007-10-03 | 武汉船用机械有限责任公司 | Two-oil-pipe distance-adjusting screw propeller capable of locking screw pitch |
| CN202130564U (en) * | 2011-04-28 | 2012-02-01 | 杭州前进齿轮箱集团股份有限公司 | Front-mounted type cylinder ship propeller hub |
| CN203864975U (en) * | 2014-05-22 | 2014-10-08 | 赵晓凯 | Self-lubricating adjustable-pitch propeller and adjustable-pitch propeller hydraulic pressure and lubrication system thereof |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107428402A (en) * | 2015-03-05 | 2017-12-01 | 瓦锡兰荷兰公司 | Arrange the method and its lubricating arrangement of the lubrication of the controlledpiston formula propeller system of marine ship |
| CN107428402B (en) * | 2015-03-05 | 2019-04-16 | 瓦锡兰荷兰公司 | Arrange the method and its lubricating arrangement of the lubrication of the controlledpiston formula propeller system of marine ship |
| CN108146602A (en) * | 2017-11-17 | 2018-06-12 | 武汉船用机械有限责任公司 | The automatic string oil control device and control method of adjustable pitch airscrew |
| CN108146602B (en) * | 2017-11-17 | 2019-12-17 | 武汉船用机械有限责任公司 | Automatic oil mixing control device and control method for controllable-pitch propeller |
| CN111287917A (en) * | 2020-03-05 | 2020-06-16 | 戴紫梅 | Self-lubricating wind-driven generator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104071322B (en) | 2016-07-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203864975U (en) | Self-lubricating adjustable-pitch propeller and adjustable-pitch propeller hydraulic pressure and lubrication system thereof | |
| CN104071322A (en) | Self-lubrication adjustable-pitch propeller and hydraulic and lubricating system for adjustable-pitch propeller | |
| CN220227688U (en) | Oil circulation reduction gear box | |
| CN102713257A (en) | Sealing structure | |
| CN203348511U (en) | Oil jet lubrication system of transmission | |
| CN111271442A (en) | Forced lubricating system for rocker arm of high-power coal mining machine | |
| CN104153987A (en) | Self-sufficient type power end lubricating oil circulating cooling system | |
| CN105697388A (en) | Deepwater hydraulic drive water pump | |
| CN205618374U (en) | Deep water hydraulic drive water pump | |
| CN103994121B (en) | The unnecessary automatic draining structure of hydraulic oil in hydraulic actuator driving chamber | |
| CN206287959U (en) | A kind of multiple spot grease self-lubricate micro-controller system for automobile chassis | |
| CN212155735U (en) | Forced lubricating system for rocker arm of high-power coal mining machine | |
| CN107420439A (en) | A kind of propulsion electric machine bearing | |
| CN207974933U (en) | A kind of plunger connection pump | |
| CN112575846A (en) | Water supply equipment and supercharging device thereof | |
| CN204003429U (en) | A kind of self contained power end lubrication oil circulation cooling system | |
| CN113199721A (en) | High-lubrication low-abrasion injection molding machine single-cylinder injection mechanism and injection molding machine with same | |
| CN208474336U (en) | A kind of transmission shaft oil sealing lubrication system | |
| CN201696844U (en) | Main drive gear box lubrication system for wrapping and connecting machine | |
| CN105485502A (en) | Grease injection device | |
| CN204237550U (en) | A kind of anti-spilling oil gun | |
| CN218949459U (en) | Hydraulic buoyancy adjusting device for water | |
| CN104110370A (en) | Electric control oil injection pump air cylinder lubricating system | |
| CN202228894U (en) | Centralized refueling device for coal mining machine | |
| CN102900933A (en) | Centralized oiling device for coal mining machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160128 Address after: 200439, room 118, 2543 Hequ Road, Shanghai, Baoshan District Applicant after: Shanghai Lyen Marine Technology Co.,Ltd. Address before: 201203, room 22, 102 herb Road, North Cai Town, Shanghai, Pudong New Area Applicant before: Zhao Xiaokai |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231117 Address after: No. 188 Yuanming Road, Minhang District, Shanghai, 201100 Patentee after: Liyien Ship Propulsion (Shanghai) Co.,Ltd. Address before: Room 2543, No. 118 Hequ Road, Baoshan District, Shanghai, 200439 Patentee before: Shanghai Lyen Marine Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CI03 | Correction of invention patent |
Correction item: Patentee Correct: Liyien Marine Propulsion (Shanghai) Co., Ltd. False: Liyien Ship Propulsion (Shanghai) Co., Ltd. Number: 49-01 Volume: 39 |
|
| CI03 | Correction of invention patent |