CN109149861A - A kind of main shaft drives constant speed generation device peculiar to vessel - Google Patents
A kind of main shaft drives constant speed generation device peculiar to vessel Download PDFInfo
- Publication number
- CN109149861A CN109149861A CN201811003272.1A CN201811003272A CN109149861A CN 109149861 A CN109149861 A CN 109149861A CN 201811003272 A CN201811003272 A CN 201811003272A CN 109149861 A CN109149861 A CN 109149861A
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- 230000033228 biological regulation Effects 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 13
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 11
- 230000005540 biological transmission Effects 0.000 claims description 33
- 230000000694 effects Effects 0.000 claims description 31
- 230000008859 change Effects 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 4
- 238000010248 power generation Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000010762 marine fuel oil Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000036642 wellbeing Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/1004—Structural association with clutches, brakes, gears, pulleys or mechanical starters with pulleys
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
- H02K7/1807—Rotary generators
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
The invention discloses a kind of main shaft drives constant speed generation devices peculiar to vessel, including including cabinet and are set to the intracorporal input raising speed mechanism of case, stepless speed regulation, output speed reducer structure.Main shaft drives Constant-Speed Unit of the invention, large torque is input to stepless speed regulation, and the constant output of revolving speed is realized by mechanical stepless speed adjusting gear, realize use of the mechanical stepless speed regulator on large torque driving equipment, the generator speed for driving Constant-Speed Unit is not changed by host rotation speed change, ensure the constant output of generator output voltage and frequency, it is ensured that the normal use of electrical equipment on ship.The energy conversion efficiency for improving Shaft-Generator, improves the reliability of Shaft-Generator, and the cost of shaft generator system is greatly lowered.
Description
Technical field
The invention belongs to ship shaft generator transmission technical fields, specifically, the present invention relates to a kind of main shaft drives perseverances
Fast power generator.
Background technique
With the pursuit of exhaustion and people increasingly to cleaning ambient of global non-renewable energy resources, energy-saving and emission-reduction are mankind institutes
The common theme faced.In shipbuilding industry, in order to reduce fuel consumption, using host driven axis come direct drive generator
It generates electricity, to replace dedicated power generation subsidiary engine to carry out driven generator power generation, is generated electricity very well using host power more than needed, it can be with
It realizes the effect of good energy-saving and emission-reduction, while considerable economic well-being of workers and staff can be brought.
But since host (diesel engine) is at work as the variation revolving speed of travel speed and load etc. can occur continuously
Variation, such as the usual working speed of ship's main diesel engine, between 500rpm to 1000rpm, the non-constant of revolving speed is sent out so that exchanging
Electric moter voltage and frequency are unstable, prevent Marine Electrical Equipment is from steady operation.
Existing host shaft generator system, in order to solve the problems, such as that generating voltage and frequency are unstable, by using
Power electronic system carries out control adjustment to voltage and frequency, enable output voltage and frequency steady operation required
In range.
Although current realize Shaft-Generator voltage and the unstable situation of frequency by power electronic system,
Existing system there are certain technology limitation, as the patent document of Publication No. CN204046480U disclose it is a kind of by
The stabilization of boost rectifying circuit, DC bus storage capacitor, inverter circuit, sine wave filter, processor a, processor b composition
The technology of voltage and stable frequency realizes axle generator to the function of ship normal power supply, but due to powerful function
Rate electronic device is with high costs, and electronic reliability is lower relative to purely mechanic system, and power electronic system energy turns
Changing efficiency is also not very high.Therefore, it is necessary to a kind of low cost, high pass efficiency, the main shaft drives constant speed generation dresses of high reliability
It sets.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides one kind
Main shaft drives constant speed generation device peculiar to vessel, it is therefore an objective to improve the energy conversion efficiency of Shaft-Generator, improve shaft generator system
The reliability of system, and the cost of shaft generator system is greatly lowered.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of main shaft drives constant speed generation device peculiar to vessel, including cabinet and it is set to the intracorporal input raising speed mechanism of case, stepless
Speed adjusting gear, output speed reducer structure, the input raising speed mechanism drives axis connection by input flange disk and marine main engine, described
Input raising speed mechanism is connected by gear set one with stepless speed regulation, and the stepless speed regulation passes through gear set two and output
The connection of deceleration mechanism, the output speed reducer structure are connected by output flange with marine generator rotor.
As an improvement of the present invention, the stepless speed regulation includes input tape axle aggregate, transmission belt and output
Belt wheel axle assembly；The input tape axle aggregate includes being rotationally connected with the intracorporal input pulley shaft of case, the input pulley shaft
On be installed with input belt wheel fixed cone disk, axial movement be connected with input belt wheel activity cone disk, and driving input belt wheel activity
Bore the input belt wheel piston of disk axial movement；The output pulley axle assembly includes being rotationally connected with the intracorporal output pulley of case
Axis, output pulley fixed cone disk is installed on the output pulley axis, axial movement is connected with output pulley activity cone disk, and
Drive the output pulley piston of output pulley activity cone disk axial movement；The transmission belt side respectively with input tape axle aggregate
On input belt wheel fixed cone disk and input belt wheel activity cone disc side cooperation, and transmission belt side also respectively with output pulley axis
Output pulley fixed cone disk and output pulley activity cone disc side cooperation on assembly.
By adjusting input, output pulley internal piston oil pressure makes the driving and driven input on wheel assembly, output pulley
Activity cone disk axial movement, so that change transmission belt and principal and subordinate bore the engagement radius of disk respectively, to realize that continuous change exports
Revolving speed with wheel assembly.
As an improvement of the present invention, the input raising speed mechanism includes being rotationally connected with the intracorporal input shaft of case, defeated
Enter axis driving gear and input shaft driven gear, the input shaft driving gear is connected by key on input shaft or and input
As a whole, the input shaft driven gear is connected by key on input pulley shaft or and input pulley shaft conduct for axis
One entirety, the input shaft driving gear and input shaft driven gear engaged transmission, the input shaft drive gear diameter ratio
Input shaft driven gear diameter is big.
By using above scheme, the function of raising speed drop torque is realized, so that the power of marine main engine low rotation speed large torque
Input realizes that revolving speed rises to the suitable high engine speed range of stepless transmission while torque is reduced to nothing to gear mechanism by this
The range that grade speed changer can be born.
As an improvement of the present invention, the output speed reducer structure includes being rotationally connected with the intracorporal output shaft of case, defeated
Shaft drives gear and output shaft driven gear, the output shaft driving gear be connected by key on output pulley axis or and
Output pulley axis as a whole, the output shaft driven gear be connected by key on output shaft or with output shaft conduct
One entirety, the output shaft driving gear and output shaft driven gear engaged transmission.
By matching suitable gear ratio, so that exporting shaft-driven generator work in suitable revolving speed.
In conclusion the invention has the following advantages:
The large torque that marine main engine can be provided is input to input shaft, and being turned round by the raising speed drop of input shaft gear mechanism makes
It obtains torque and the range that stepless transmission can be born is greatly reduced, power is output to output speed reducer by stepless speed regulation
Structure finally transfers power on generator, makes generator speed not by host by the continuous speed adjustment of stepless speed-regulating device
Rotation speed change and change, it is ensured that the constant rotational speed of the device exports, and is realized by mechanical system to constant engine speed
Driving, improves generating efficiency, to greatly improve marine fuel oil utilization rate, and significantly reduces shaft generator system
Cost improves the reliability of shaft generator system.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of main shaft drives constant speed generation device peculiar to vessel.
In figure, 1, input flange disk；2, input shaft；3, bearing of input shaft a；4, bearing of input shaft b；5, input shaft sliding tooth
Wheel；6, input shaft driven gear；7, pulley shaft is inputted；71, belt wheel fixed cone disk is inputted；8, disk is bored in input belt wheel activity；9, defeated
Enter belt wheel piston；10, Bearing with wheel a is inputted；11, Bearing with wheel b is inputted；12, output pulley axis；121, output pulley fixed cone
Disk；13, disk is bored in output pulley activity；14, output pulley piston；15, output pulley bearing a；16, output pulley bearing b；17,
Transmission belt；18, output shaft drives gear；19, output shaft driven gear；20, output shaft；21, output shaft bearing a；22, output shaft
Bearing b；23, output flange；24, cabinet.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
Embodiment:
As shown in Figure 1, the present invention provides a kind of main shaft drives constant speed generation devices peculiar to vessel, including including inputting raising speed machine
Structure, stepless speed regulation, output speed reducer structure, cabinet 24 and connecting flange.
Specifically, as shown in Figure 1, input raising speed mechanism includes input shaft 2, is mounted on 2 one end of input shaft and is used for and ship
The input flange disk 1 of oceangoing ship driving host driven axis connection, the bearing of input shaft a3 and bearing of input shaft for being used to support input shaft 2
B4, the input shaft being mounted on input shaft 2 driving gear 5 and the input shaft driven gear being mounted on following input pulley shafts 7
6。
Stepless speed regulation includes input tape wheel assembly, output pulley assembly and transmission belt 17, and input tape wheel assembly includes
Input pulley shaft 7 is mounted on axially movable input belt wheel activity cone disk 8 on input pulley shaft 7, is defeated for providing driving
Enter belt wheel activity cone disk 8 move axially hydraulic coupling input belt wheel piston 9, input pulley shaft 7 on be wholely set with input
The input belt wheel fixed cone disk 71 of belt wheel activity cone 8 relative engagement of disk, the input belt wheel for being used to support entire input tape wheel assembly
Bearing a10 and input Bearing with wheel b11；Output pulley assembly includes output pulley axis 12, be mounted on can on output pulley axis 12
Hydraulic coupling is moved axially with the output pulley activity cone disk 13 of axial movement, for providing driving output pulley activity cone disk 13
Output pulley piston 14, the output band with output pulley activity cone 13 relative engagement of disk being wholely set on output pulley axis 12
The output pulley bearing a15 and output pulley bearing b16 for taking turns fixed cone disk 121, being used to support entire output pulley assembly.
On input belt wheel fixed cone disk 71 and input belt wheel activity cone disk 8 on the input pulley shaft 7 of stepless speed regulation
Cone disk it is symmetrically angled, while the angle of 17 two sides of transmission belt with cone disk angle it is identical, 17 liang of such transmission belt
Two sides cooperation on side and input belt wheel fixed cone disk 71 and input belt wheel activity cone disk 8, by living toward input belt wheel
Offer hydraulic pressure acts on input belt wheel activity cone disk 8 and transmission belt 17 and input belt wheel fixed cone disk 71 pressure mutually in plug 9
Tight stress passes through after providing pressure in this way since there are coefficient of friction in 17 side of transmission belt and cone disc side contact, inputs pulley shaft
Power on 7 has been transmitted on transmission belt 7；Output pulley fixed cone disk 121 and output pulley on same output pulley axis 12
Cone disk on activity cone disk 13 be also it is symmetrical angled identical with the angle of 17 two sides of transmission belt, pass through and past export band
Hydraulic pressure is provided in wheel piston 14 and acts on output pulley activity cone disk 13 and transmission belt 17 and output pulley fixed cone disk 121
Stress is compressed mutually, and the power of same transmission belt 17 can be for delivery on output pulley axis 12；And due to input belt wheel activity
Bore disk 8 and output pulley activity cone disk 13 be all that can move axially, in this way when increase input belt wheel piston 9 in pressure, this
Sample input belt wheel activity cone disk 8 will push transmission belt 17 to move radially, the engagement half of such transmission belt 17 and input belt wheel cone disk
Diameter just will increase, simultaneously because 17 length of transmission belt is constant, and output and input belt wheel axis center away from constant, such output pulley
The direction that activity cone disk 13 past will make the engagement radius of transmission belt 17 and output pulley cone disk reduce is mobile, this makes in the process
The transmission ratio that belt wheel and output pulley must be inputted continuously increases；If increasing the pressure in output pulley piston 14 on the contrary, this
Sample reduces the engagement radius for making the engagement radius of transmission belt 17 and output pulley cone disk just will increase and input belt wheel cone disk,
So that the transmission ratio of input belt wheel and output pulley continuously reduces.In this way by living to input belt wheel piston 9 and output pulley
The adjusting of pressure in plug 14, so that it may it is continuous to change the revolving speed exported on output pulley axis 12 so that revolving speed that host provides and
Torque realizes continuous adjusting by stepless speed regulation, when engine speed consecutive variations, can pass through stepless speed regulating machine
The continuous change adjusting of structure is so that the revolving speed on output pulley axis 12 is kept constant.
Output speed reducer structure includes output shaft driving gear 18, the output shaft 20, installation being mounted on output pulley axis 12
Output shaft driven gear 19 on output shaft 20, output shaft bearing a21 and output shaft bearing for supporting output shaft 20
B22 and the output flange 23 of generator amature is connected with 20 one end of output shaft is mounted on
The power that host provides transfers power to input shaft 2 by input flange disk 1, since input shaft drives gear 5
It is engagement pairing transmission with input shaft driven gear 6, and input shaft driven gear 6 is connected with input pulley shaft 7 again, so
Power is transmitted to input pulley shaft 7 by gear, and input shaft drives the realization bigger than 6 diameter of input shaft driven gear of gear 5
It rises revolving speed and reduces the function of torque, so torque is greatly reduced on the power to input pulley shaft 7 that host provides
Revolving speed is significantly enhanced simultaneously, so that torque reaches the demand that stepless speed regulation can reasonably be born.
Output shaft is transmitted to by output pulley axis 12 by the power after stepless speed regulation continuous speed adjustment and drives gear
On 18, since output shaft driving gear 18 and output shaft driven gear 19 are that transmission, and output shaft driven tooth are matched in engagement
Wheel 19 is connected with output shaft 20 again, so power is transmitted to output shaft 20 by gear, output shaft 20 passes through output flange 23
Driven generator operating power generation drives gear 18 and the reasonable speed ratio of output shaft driven gear 19 by setting output shaft, so that
20 invariablenes turning speed of output shaft is in the revolving speed that generator needs, that is, output shaft driving gear 18 and output shaft driven gear 19
Speed ratio can be deceleration or raising speed.After the revolving speed of host variation in this way is adjusted by main shaft drives constant speed generation device, it will make
Constant engine speed NE is obtained, the voltage and frequency-invariant of generator output is realized, mechanically realizes axle generator
The requirement of constant voltage and constant frequency rate greatly improves marine fuel oil utilization rate, and significantly reduce shaft generator system at
This, improves the reliability of shaft generator system.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (4)
1. a kind of main shaft drives constant speed generation device peculiar to vessel, it is characterised in that: including cabinet (24) and be set in cabinet (24)
Raising speed mechanism, stepless speed regulation, output speed reducer structure are inputted, the input raising speed mechanism passes through input flange disk (1) and ship
Oceangoing ship host driven axis connection, the input raising speed mechanism is connected by gear set one (5,6) with stepless speed regulation, described stepless
Speed adjusting gear is connected by gear set two (18,19) with output speed reducer structure, and the output speed reducer structure passes through output flange
(23) it is connected with marine generator rotor.
2. main shaft drives constant speed generation device according to claim 1, it is characterised in that: the stepless speed regulation includes
Input tape axle aggregate, transmission belt (17) and output pulley axle assembly；
The input tape axle aggregate includes the input pulley shaft (7) being rotationally connected in cabinet (24), the input pulley shaft
(7) input belt wheel fixed cone disk is installed on, axial movement is connected with input belt wheel activity and bores disk (8), and drives input tape
The input belt wheel piston (9) of disk (8) axial movement is bored in wheel activity；
The output pulley axle assembly includes the output pulley axis (12) being rotationally connected in cabinet (24), the output pulley axis
(12) output pulley fixed cone disk is installed on, axial movement is connected with output pulley activity and bores disk (13), and drives output
The output pulley piston (14) of disk (13) axial movement is bored in belt wheel activity；
Transmission belt (17) side respectively on input tape axle aggregate input belt wheel fixed cone disk and input belt wheel activity
Bore disk (8) side cooperation, and transmission belt (17) side also respectively on output pulley axle assembly output pulley fixed cone disk and
The cooperation of disk (13) side is bored in output pulley activity.
3. main shaft drives constant speed generation device according to claim 2, it is characterised in that: the input raising speed mechanism includes
Input shaft (2), input shaft driving gear (5) and the input shaft driven gear (6) being rotationally connected in cabinet (24), the input
Axis driving gear (5) be connected by key on input shaft (2) or with input shaft (2) as a whole, the input shaft from
Moving gear (5) be connected by key input pulley shaft (7) on or and input pulley shaft (7) as a whole, the input
Axis drives gear (5) and input shaft driven gear (6) engaged transmission, the input shaft drive gear (5) diameter than input shaft from
Moving gear (6) diameter is big.
4. main shaft drives constant speed generation device according to claim 2, it is characterised in that: the output speed reducer structure includes
Output shaft (20), output shaft driving gear (18) and the output shaft driven gear (19) being rotationally connected in cabinet (24), it is described
Output shaft driving gear (18) be connected by key on output pulley axis (12) or with output pulley axis (12) as one it is whole
Body, the output shaft driven gear (18) be connected by key on output shaft (20) or with output shaft (20) as one it is whole
Body, output shaft driving gear (18) and output shaft driven gear (19) engaged transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003272.1A CN109149861A (en) | 2018-08-30 | 2018-08-30 | A kind of main shaft drives constant speed generation device peculiar to vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811003272.1A CN109149861A (en) | 2018-08-30 | 2018-08-30 | A kind of main shaft drives constant speed generation device peculiar to vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109149861A true CN109149861A (en) | 2019-01-04 |
Family
ID=64829459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811003272.1A Pending CN109149861A (en) | 2018-08-30 | 2018-08-30 | A kind of main shaft drives constant speed generation device peculiar to vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109149861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118149062A (en) * | 2024-05-09 | 2024-06-07 | 浙江浙能迈领环境科技股份有限公司 | Hybrid power ship variable speed shaft generator device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2810019Y (en) * | 2005-03-16 | 2006-08-23 | 程文标 | Constant frequency generator for ship |
| EP2085653A2 (en) * | 2008-02-01 | 2009-08-05 | Tai-Her Yang | Continuous variable transmission device with low shift transmission pulley train |
| CN201690312U (en) * | 2010-06-05 | 2010-12-29 | 王义举 | Light-power generator set |
| CN103603935A (en) * | 2013-12-04 | 2014-02-26 | 湖南江麓容大车辆传动股份有限公司 | Stepless speed regulation device of marine generator and marine generator |
| CN203774969U (en) * | 2014-03-20 | 2014-08-13 | 程乃士 | Generator rotating-speed-stabilizing device |
| CN104179921A (en) * | 2014-08-02 | 2014-12-03 | 山东交通学院 | Electronic control device for combined-type automobile automatic transmission |
| US20150133257A1 (en) * | 2012-05-22 | 2015-05-14 | Honda Motor Co., Ltd. | Continuously variable transmission |
| CN206175597U (en) * | 2016-11-20 | 2017-05-17 | 临海市高级职业中学 | Farm machinery hydraulic pressure machinery infinitely variable speed case |
| CN208924018U (en) * | 2018-08-30 | 2019-05-31 | 宁波博生机电科技有限公司 | A kind of main shaft drives constant speed generation device peculiar to vessel |
-
2018
- 2018-08-30 CN CN201811003272.1A patent/CN109149861A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2810019Y (en) * | 2005-03-16 | 2006-08-23 | 程文标 | Constant frequency generator for ship |
| EP2085653A2 (en) * | 2008-02-01 | 2009-08-05 | Tai-Her Yang | Continuous variable transmission device with low shift transmission pulley train |
| CN201690312U (en) * | 2010-06-05 | 2010-12-29 | 王义举 | Light-power generator set |
| US20150133257A1 (en) * | 2012-05-22 | 2015-05-14 | Honda Motor Co., Ltd. | Continuously variable transmission |
| CN103603935A (en) * | 2013-12-04 | 2014-02-26 | 湖南江麓容大车辆传动股份有限公司 | Stepless speed regulation device of marine generator and marine generator |
| CN203774969U (en) * | 2014-03-20 | 2014-08-13 | 程乃士 | Generator rotating-speed-stabilizing device |
| CN104179921A (en) * | 2014-08-02 | 2014-12-03 | 山东交通学院 | Electronic control device for combined-type automobile automatic transmission |
| CN206175597U (en) * | 2016-11-20 | 2017-05-17 | 临海市高级职业中学 | Farm machinery hydraulic pressure machinery infinitely variable speed case |
| CN208924018U (en) * | 2018-08-30 | 2019-05-31 | 宁波博生机电科技有限公司 | A kind of main shaft drives constant speed generation device peculiar to vessel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118149062A (en) * | 2024-05-09 | 2024-06-07 | 浙江浙能迈领环境科技股份有限公司 | Hybrid power ship variable speed shaft generator device |
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