CN203889037U - Marine gearbox provided with PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in same rotation direction - Google Patents
Marine gearbox provided with PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in same rotation direction Download PDFInfo
- Publication number
- CN203889037U CN203889037U CN201320651359.6U CN201320651359U CN203889037U CN 203889037 U CN203889037 U CN 203889037U CN 201320651359 U CN201320651359 U CN 201320651359U CN 203889037 U CN203889037 U CN 203889037U
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- China
- Prior art keywords
- input shaft
- transmission
- pto
- gear
- shaft
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- 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.)
- Expired - Lifetime
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 55
- 238000012546 transfer Methods 0.000 claims description 12
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 244000144983 clutch Species 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 6
- 230000007704 transition Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000003921 oil Substances 0.000 description 42
- 238000000926 separation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
Abstract
The utility model discloses a marine gearbox provided with a PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in the same rotation direction. The marine gearbox mainly comprises a box body, an input shaft part, a transmission shaft part, an output shaft part, a PTO part and a hydraulic control system; the input shaft part and the transmission shaft part are respectively provided with a clutch near the power input end; the input shaft part comprises an input shaft oil cylinder; the input shaft oil cylinder is connected with a right-handed rotation clutch shell gear and a shell flange into a whole; the right-handed rotation clutch shell gear is meshed with a left-handed rotation clutch shell gear of the transmission shaft part; respective outside friction discs for inputting and driving the two clutches are connected with clutch shells, inside friction discs are connected with friction disc seats, and the friction disc seats are connected with respective transmission shafts; the two transmission shafts are respectively provided with an integrated transmission gear, and the two transmission gears are respectively meshed with an output gear sleeving an output shaft; the front end of an oil pump transmission shaft of the PTO part is connected with the input shaft oil cylinder through a spline seat cover, and the rear end of the oil pump transmission shaft is connected with a hydraulic pump through a pair of oil pump gears and an oil pump driven shaft. The marine gearbox has the characteristics of high bearing capacity, advanced indexes, low cost, compact structural arrangement, attractive appearance, simple installation, convenience for assembly, disassembly and maintenance and high working reliability.
Description
Technical field
The utility model relates to a kind of thering is clutch, slow down, bear the marine gear box of propeller thrust function by fluid control, mainly be applicable to towboat, fishing boat, auxiliary vessel, research vessel, scientific investigation ship, oil carrier, ferryboat, roll-on-roll-off ship, icebreaker and ocean engineering and support ship etc., belong to the driving device of ship power propulsion system.
Prior art
Existing input, output eccentric axis, level is without skew, the supporting marine gear box of of the same type and adjustable pitch propeller CPP (controllable pitch propeller) of vertical shift one-level transmission, the a set of built-in main gear power-transfer clutch of general employing is arranged in gearbox input shaft parts, a set of input shaft parts and a set of output shaft assembly, consists of; Running in and off the row of the wet-type multi-disc friction clutch pinion case of a set of fluid control; Generally be with PTO parts, be usually placed in the top of input shaft or be not with PTO; PTO parts are above input shaft, and gear case height increases greatly, can interfere with the turbocharger of diesel engine; Due to the own characteristic of its structure, there is cooling oil in multi-disc wet clutch in addition between friction lining during off the row, add that the problems such as interior outside friction disc separation is not thorough unavoidably can exist band row problem; Even in disengage phase, power-transfer clutch still can transmit sub-fraction moment of torsion and affect use.At the two oar main frames of two-shipper, turn to occasion together in addition, it does not meet again the requirement of screw propeller contrarotation; Other,, because tuning for Controllable Pitch Propeller hydraulic fluid distributor (being called for short OD case) is arranged on gear case, guarantee to install and remove space, and the axial installation length of gear case is often very large.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and provides a kind of structural arrangement compact, and highly low, axially installation length is little, lightweight, and towing torque is little, and the band PTO pump that functional reliability is high is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box;
The purpose of this utility model completes by following technical solution, a kind of band PTO pump is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, it is mainly comprised of casing, input shaft parts, transmission shaft parts, output shaft assembly, PTO parts and hydraulic control system, and described input shaft parts and transmission shaft parts are respectively furnished with power-transfer clutch near power intake; It is characterized in that described input shaft parts comprise an input shaft oil cylinder, its front end is connected by input flange and high elastic coupling and power; Described input shaft oil cylinder is connected with dextrorotation clutch outer member gear and shell flange; The left-handed clutch outer member gear engagement of described dextrorotation clutch outer member gear and transmission shaft parts, input is connected with clutch outer member with the outside friction disc separately of transmission two power-transfer clutchs, inner attrition piece is connected with friction bar, and friction bar is connected with transmission shaft separately, on two transmission shafts, respectively have a transmission gear being made of one, and two transmission gears mesh with the output gear being linked on output shaft respectively; The oil pump drive spindle front end of described PTO parts is connected with input shaft oil cylinder by spline cover for seat, and rear end can driven Hydraulic Pump by the connection of oil pump driven shaft by a pair of cog wheel of the oil pump.
Described input and transmission two power-transfer clutchs are provided with a piston at one side respectively, and this piston is connected with hydraulic control system by the fluid chamber of input shaft oil cylinder or transmission shaft oil cylinder; In one side of described piston, be provided with the cylindrical spring that return force is provided; When the two oar main frames of application two-shipper are when turning to arranged, when work, left machine input clutch piston is connected by transmission shaft oil cylinder hydraulic control system by the connected and right machine drive clutch of input shaft oil cylinder hydraulic control system piston.When " stopping " position, the towing torque opposite direction that two cover built-in clutch separation thoroughly do not produce, can cancel each other, and off the row is more thorough;
Described input shaft oil cylinder adopts tapering band key to be connected with input flange, and output shaft adopts tapering interference detachable connection structure to be connected with output gear.
Described casing divides upper, middle, and lower part to form; Upper box and middle casing are along input shaft and the oblique subdivision of center transmission shaft line, and middle casing and lower box are along output shaft line of centers horizonally split; The input shaft oil cylinder of input shaft parts and the output shaft of output shaft assembly are pressed vertical different line of centers up and down and are arranged; Casing is along input shaft and output shaft line of centers horizonally split.Gear case dismounting is easy to maintenance, lifting upper box can take out that input shaft and transmission shaft parts are safeguarded simultaneously and in lifting by crane casing can take out output shaft assembly and safeguard.
The Hydraulic Pump of described PTO parts is arranged on by connecting panel and transition cover on the oil pump coupling housing of input shaft rear end, in described oil pump coupling housing, is furnished with a pair of cog wheel of the oil pump.
The middle lower box front end of described gear case is provided with indent and arranges, the oil distributor of adjustable pitch propeller is installed by connecting panel on it, and this oil distribution shaft passes through from the centre of output shaft, and its axial installation length reduces greatly.
The utility model can meet unit single-blade or the two various arrangement occasions of oar of two-shipper and can not interfere with the turbocharger of diesel engine, the middle lower box front end of gear case, through indent particular design, has greatly omitted and has met the required gearbox shaft in OD case mounting or dismounting space to installation length; The utility model two cover built-in clutch are arranged in juxtaposition in addition, thereby can offset the band row phenomenon that main gear power-transfer clutch off the row thoroughly do not exist, meet better operating needs.
The utility model is mainly applicable to towboat, fishing boat, auxiliary vessel, research vessel, scientific investigation ship, oil carrier, ferryboat, roll-on-roll-off ship, icebreaker and ocean engineering and supports the boats and ships such as ship to join adjustable-pitch screw propulsion system, compared with prior art, the two oar main frames of two-shipper have been met with turning to occasion.Have load-carrying capacity large, index is advanced, and cost is low, and structural arrangement is compact, and good looking appearance is easily installed, easy for assembly, disassembly and maintenance, the feature that functional reliability is high.
Accompanying drawing explanation
Fig. 1 is structural representation one of the present utility model.
Fig. 2 is structural representation two of the present utility model.
Fig. 3 is gear transmission section-drawing of the present utility model.
The specific embodiment
Below will by accompanying drawing, the utility model is further introduced: shown in accompanying drawing 1,2,3, the utility model is mainly comprised of casing, input shaft parts, transmission shaft parts, output shaft assembly, PTO parts and hydraulic control system.Described input shaft parts and transmission shaft parts are respectively furnished with power-transfer clutch by power intake; Described input shaft parts comprise an input shaft oil cylinder 2 (being input shaft), and its front end is connected by input flange 1 and high elastic coupling and power; Described input shaft oil cylinder 2 is connected with dextrorotation clutch outer member gear 8 and shell flange 9; Described dextrorotation clutch outer member gear 8 and 20 engagements of the left-handed clutch outer member gear of transmission shaft parts, input is connected with 20 with clutch outer member gear 8 with the outside friction disc separately 7 of transmission two power-transfer clutchs, inner attrition piece 5 is connected with friction bar 3, and friction bar 3 is connected with transmission shaft separately, on two transmission shafts, have the transmission gear 10 being made of one, and two transmission gears 10 mesh with the output gear 22 being linked on output shaft 21 respectively; Described PTO part oil pump drive shaft 12 front ends by spline cover for seat 3, is connected with input shaft oil cylinder 2 and rear end by a pair of cog wheel of the oil pump 13 and 14 drive oil pump driven shafts 17 driving PTO pumps 18.
Described input and transmission two power-transfer clutchs are provided with a piston 5 at one side respectively, and this piston 5 can be transmission shaft 19 by input shaft oil cylinder 2 or transmission shaft oil cylinder 19() fluid chamber be connected with hydraulic control system 29; In one side of described piston 5, be provided with the cylindrical spring of return force 4 is provided.When the two oar main frames of application two-shipper are when turning to arranged, left machine input clutch piston 5 is connected with hydraulic control system 29 by input shaft oil cylinder 2 and right machine drive clutch piston 5 is connected with hydraulic control system 29 by transmission shaft oil cylinder 19.During use, when bar handle is in " stopping " position, the work oil duct of left machine input clutch and right machine drive clutch is switched to back oil road, clutch plunger 5 under the effect of return spring 4, throw off rapidly in outside friction disc 6 and 7, can not be with 3 rotations of movable friction plate seat, transmission shaft and transmission gear 10 just do not turn yet, and therefore can not drive the output gear 22 being linked on output shaft 21 to rotate, thereby screw propeller stop not turning.Now, the oil in hydraulic efficiency pressure system is all lubricating oil, each lubricating point by each oil duct to gear case.And two towing torque opposite directions of thoroughly not producing of cover built-in clutch separation, can cancel each other, off the row is more thorough.When bar handle is in " work " position, the work oil duct conducting of left and right machine input clutch and drive clutch, operating oil pressure promotes clutch plunger 5 and compresses interior outside friction disc, make transmission gear 10 synchronize rotation with input shaft 2 and transmission shaft 19 by friction bar 3, and drive output gear 22 to rotate backward, thereby drive output shaft 21 and screw propeller to rotate.Because input shaft 2 is connected with dextrorotation clutch outer member gear 8, and transmission shaft 19 is connected with left-handed clutch outer member gear 20, and when the two oar main frames of application two-shipper turn to arranged together, thereby its propeller turning direction has met operating needs on the contrary.
Described input shaft oil cylinder 2 adopts tapering band key to be connected with input flange 1, and output shaft 21 adopts tapering interference detachable connection structure to be connected with output gear 22.
Described casing divides upper, middle, and lower part to form.Upper box 26 is with middle casing 27 along input shaft 2 and the oblique subdivision of transmission shaft 10 line of centres, and middle casing 27 and lower box 28 are along output shaft 21 line of centers horizonally splits.The input shaft 2 of input shaft parts and the output shaft of output shaft assembly 21 are pressed vertical different line of centers up and down and are arranged.Gear case dismounting is easy to maintenance, lifting upper box 26 can take out that input shaft and transmission shaft parts are safeguarded simultaneously and in lifting by crane casing 27 take out output shaft assembly and safeguard.
Described PTO parts Hydraulic Pump 18 is arranged on by connecting panel 16 and transition cover 15 on the oil pump coupling housing 11 of input shaft rear end, is furnished with a pair of cog wheel of the oil pump 13 and 14 in described oil pump coupling housing 11.
The middle lower box 27 of described gear case and 28 front end are through indent particular design, the oil distributor 25 of adjustable pitch propeller can be installed by connecting panel 24 with comparalive ease, its oil distribution shaft 23 passes through from the centre of output shaft 21, and its axial installation length reduces greatly.
The utility model gear case adopts three axle five gear first stage deceleration transmission, and input and output are vertical different line of centers arranges, PTO pump is arranged in gear case rear end, compact conformation, and casing divides upper, middle, and lower part.
Claims (4)
1. a band PTO pump is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, it is mainly comprised of casing, input shaft parts, transmission shaft parts, output shaft assembly, PTO parts and hydraulic control system, and described input shaft parts and transmission shaft parts are respectively furnished with power-transfer clutch near power intake; It is characterized in that described input shaft parts comprise an input shaft oil cylinder, its front end is connected by input flange and high elastic coupling and power; Described input shaft oil cylinder is connected with dextrorotation clutch outer member gear and shell flange; The left-handed clutch outer member gear engagement of described dextrorotation clutch outer member gear and transmission shaft parts, input is connected with clutch outer member with the outside friction disc separately of transmission two power-transfer clutchs, inner attrition piece is connected with friction bar, and friction bar is connected with transmission shaft separately, on two transmission shafts, respectively have a transmission gear being made of one, and two transmission gears mesh with the output gear being linked on output shaft respectively; The oil pump drive spindle front end of described PTO parts is connected with input shaft oil cylinder by spline cover for seat, and rear end can driven Hydraulic Pump by the connection of oil pump driven shaft by a pair of cog wheel of the oil pump.
2. band PTO pump according to claim 1 is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, it is characterized in that described input and transmission two power-transfer clutchs are provided with a piston at one side respectively, this piston is connected with hydraulic control system by the fluid chamber of input shaft oil cylinder or transmission shaft oil cylinder; In one side of described piston, be provided with the cylindrical spring that return force is provided;
Described input shaft oil cylinder adopts tapering band key to be connected with input flange, and output shaft adopts tapering interference detachable connection structure to be connected with output gear.
3. band PTO pump according to claim 1 is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, it is characterized in that described casing minute upper, middle, and lower part forms; Upper box and middle casing are along input shaft and the oblique subdivision of center transmission shaft line, and middle casing and lower box are along output shaft line of centers horizonally split; The input shaft oil cylinder of input shaft parts and the output shaft of output shaft assembly are pressed vertical different line of centers up and down and are arranged;
Band PTO pump according to claim 1 is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, the Hydraulic Pump that it is characterized in that described PTO parts is arranged on by connecting panel and transition cover on the oil pump coupling housing of input shaft rear end, in described oil pump coupling housing, is furnished with a pair of cog wheel of the oil pump.
4. band PTO pump according to claim 3 is joined with turning to left and right machine tuning for Controllable Pitch Propeller marine gear box, the middle lower box front end that it is characterized in that described gear case is provided with indent layout, the oil distributor of adjustable pitch propeller is installed by connecting panel on it, and this oil distribution shaft passes through from the centre of output shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651359.6U CN203889037U (en) | 2013-10-22 | 2013-10-22 | Marine gearbox provided with PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in same rotation direction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320651359.6U CN203889037U (en) | 2013-10-22 | 2013-10-22 | Marine gearbox provided with PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in same rotation direction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203889037U true CN203889037U (en) | 2014-10-22 |
Family
ID=51715472
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320651359.6U Expired - Lifetime CN203889037U (en) | 2013-10-22 | 2013-10-22 | Marine gearbox provided with PTO (power-take-off) pump and matched with left and right machines and controllable-pitch propellers in same rotation direction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203889037U (en) |
-
2013
- 2013-10-22 CN CN201320651359.6U patent/CN203889037U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141022 |
|
| CX01 | Expiry of patent term |