CN102139756B - Paralleling dual-PTO (power take-off) marine gearbox - Google Patents
Paralleling dual-PTO (power take-off) marine gearbox Download PDFInfo
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- CN102139756B CN102139756B CN 201110045048 CN201110045048A CN102139756B CN 102139756 B CN102139756 B CN 102139756B CN 201110045048 CN201110045048 CN 201110045048 CN 201110045048 A CN201110045048 A CN 201110045048A CN 102139756 B CN102139756 B CN 102139756B
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Abstract
The invention relates to a paralleling dual-PTO (power take-off) marine gearbox which comprises a box body, an input shaft, a driving clutch, driving gear shafts, a big gear and an output shaft, wherein the output shaft is provided with a thrust ring and a flange plate which are fixed as a whole body; the big gear is also fixedly installed on the output shaft; the two driving gear shafts are in parallel to the output shaft and are meshed with the big gear; PTO driving gears are fixedly arranged on the driving gear shafts; the input shaft is coaxially butted with the front ends of the driving gear shafts; two PTO gear shafts are in parallel to the driving gear shafts and are meshed with the corresponding PTO driving gears; PTO output shafts are coaxially butted with the ends of the PTO gear shafts by a PTO clutch; the input shaft, the driving gear shafts, the PTO gear shafts and the PTO output shafts are supported and arranged on the box body by bearings; the output shaft is supported and arranged on the box body by a sliding bearing bush; and the front end surface and the rear end surface of the thrust ring of the output shaft lean against the box body by the thrust bearing bush.
Description
Technical field
The present invention relates to a kind of marine gear box, especially a kind of pair of host driven, single main gear are exported, the marine gear box of two PTO outputs.
Background technology
Marine gear box is a most important driving device in the marine gearing, and it is responsible for the power that driving engine sends is passed to screw propeller, thereby realizes the motion of boats and ships.Present existing boats and ships drive by single host mostly, single main gear output drives screw propeller work, along with the raising of user to the energy utilization rate requirement, boats and ships are at different mode of operation (tractions, cruise, supply) desired power difference under, the marine gear box that traditional single host drives can not be applicable to the boats and ships of continuous conversion mode of operation.
In addition, in many occasions, people wish that marine gear box can have auxiliary power mouth (PowerTake Off), PTO generally is called for short in this area, after marine gear box is introduced PTO, can drive electrical generator at any time according to actual conditions electric power safeguard is provided, drive fire pump fire demand water is provided.
Summary of the invention
The objective of the invention is to, the marine gear box that drives the output of single main gear at single host can not adapt to the boats and ships of continuous conversion mode of operation, and people wish that marine gear box has PTO, for boats and ships provide the requirement of electric power safeguard and fire demand water, design a kind of and the two PTO marine gear boxs of car.
The object of the present invention is achieved like this: the two PTO marine gear boxs of a kind of and car, comprise casing, input shaft, driving power-transfer clutch, gear shaft, big gear wheel, output shaft, and it is characterized in that:
Output shaft is provided with thrust ring and the flange that is solidified as a whole, and flange is positioned at the mouth of output shaft; Also be installed with big gear wheel on the output shaft;
Two gear shaft and output shaft be arranged in parallel, they all with described big gear wheel engagement; All be installed with the PTO driven wheel on two gear shaft; Two input shafts are coaxial docking with corresponding gear shaft front end by driving power-transfer clutch respectively;
Two PTO gear wheel shafts and gear shaft be arranged in parallel, they respectively with corresponding gear shaft on the engagement of PTO driven wheel; Two PTO output shafts are coaxial docking with corresponding PTO gear wheel shaft end by the PTO power-transfer clutch respectively;
Described input shaft, gear shaft, PTO gear wheel shaft and PTO output shaft all are installed on casing by bearings, and the mouth of the input end of input shaft and PTO output shaft stretches out casing;
Described output shaft supports by Sliding bush and is installed on casing, and the flange of its end is positioned at outside the casing, and the thrust ring front/rear end on the output shaft is butted on casing by thrust bearing shoe.
In the present invention: described two driven wheel rotational symmetry are positioned at the output shaft both sides, and the axis of two gear shaft and output shaft is positioned at same plane.
In the present invention: described input shaft supports by self-aligning roller bearing and is installed on casing; Described gear shaft front end is by two cylindrical roller bearing axles, and the rear end is supported by cylindrical roller bearing and is installed on casing; Described PTO gear wheel shaft front end is by self-aligning roller bearing, and the rear end is supported by self-aligning roller bearing and cylindrical roller and is installed on casing; Described PTO output shaft supports by cylindrical roller bearing and four-point contact ball and is installed on casing.
In the present invention: described driving power-transfer clutch and PTO power-transfer clutch are wet type hydraulic pressure multi-disc friction clutch.
In the present invention: described PTO gear wheel shaft is positioned at the top of gear shaft; Described casing comprises upper box, lower box and two PTO case covers that are positioned at the upper box both sides, wherein, the axis of the faying face of last lower box and two gear shaft and output shaft is in same plane, and the faying face of upper box and PTO case cover is through PTO output shaft axis section; Described upper box, lower box and two PTO case covers that are positioned at the upper box both sides are solidified as a whole by bolt.
In the present invention: be provided with oil leab in the described casing, the terminal of oil leab is positioned at the attachment point of bearing or Sliding bush or thrust bearing shoe, and initiating terminal is positioned at the lubricating oil inlet of casing.
In the present invention: the axle center of two gear shaft is hollow, two mechanical pump axle drive shafts pass respectively and by the hollow axle center of bearings in corresponding gear shaft, one end of mechanical pump axle drive shaft is connected with input shaft, the other end is installed with the mechanical pump driven wheel, two mechanical pump driven wheels drive corresponding mechanical pump respectively, the oil inlet of mechanical pump and lubricating oil bath are linked up, and oil outlet docks with the lubricating oil inlet of casing.
The invention has the advantages that: owing to be provided with two input shafts, and each input shaft has and independently drives power-transfer clutch, can select a power driven or two power parallel operation to drive in the use, satisfies the different operating state of boats and ships to the demand of power; Owing to have two PTO, and independently PTO power-transfer clutch arranged, can provide electric power safeguard and fire demand water for boats and ships; Because the axle center of two gear shaft is hollow, two mechanical pump axle drive shafts pass respectively and by the hollow axle center of bearings in corresponding gear shaft, one end of mechanical pump axle drive shaft is connected with input shaft, the other end is installed with the mechanical pump driven wheel, any power driven input shaft, even be in released state at the driving power-transfer clutch, also can provide lubricated for the motive position in the gear case by mechanical pump; Because output shaft is provided with the thrust ring that is solidified as a whole, cause the front and back of output shaft to be collected together in the time of can stoping screw propeller work; Because two gear shaft claim to be positioned at the output shaft both sides, the axis of two gear shaft and output shaft is positioned at same plane, and big gear wheel is stressed more even when adopting double dynamical driving; Because casing adopt to be gone up the branch body structure of lower box and PTO case cover, compact conformation not only, and also convenient for installation and maintenance.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention;
Fig. 2 is that the A-A of Fig. 1 is to cutaway view;
Fig. 3 is that the B-B of Fig. 1 is to cutaway view.
Among the figure: 1, input shaft, 2, drive power-transfer clutch, 3, gear shaft, 4, the PTO driven wheel, 5, big gear wheel, 6, output shaft, 7, flange, 8, the mechanical pump axle drive shaft, 9, mechanical pump driven wheel, 10, bearing, 11, mechanical pump, 12, Sliding bush, 13, thrust ring, 14, thrust bearing shoe, 15, upper box, 16, lower box, 17, the PTO gear wheel shaft, 18, PTO power-transfer clutch, 19, PTO case cover, 20, the PTO output shaft.
The specific embodiment
Accompanying drawing discloses the concrete structure of the embodiment of the invention without limitation, and the invention will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, described marine gear box comprises casing, input shaft 1, drives power-transfer clutch 2, gear shaft 3, big gear wheel 5, output shaft 6, wherein:
---output shaft 1 is provided with thrust ring 13 and the flange 7 that is solidified as a whole, and flange 7 is positioned at the mouth of output shaft 6; Also be installed with big gear wheel 5 on the output shaft 6;
---two gear shaft 3 be arranged in parallel with output shaft 6, and they all mesh with described big gear wheel 5; All be installed with PTO driven wheel 4 on two gear shaft 3; Two input shafts 1 are coaxial docking with corresponding gear shaft 3 front ends by driving power-transfer clutch 2;
---input shaft 1, gear shaft 3 support by bearing 10 and are installed on casing, output shaft 6 supports by Sliding bush 12 and is installed on casing, the flange of its end is positioned at outside the casing, and thrust ring 13 front/rear ends on the output shaft 6 are butted on casing by thrust bearing shoe 14; PTO driven wheel 4 on the gear shaft 3 and 5 engagements of the big gear wheel on the output shaft 6.
In the present embodiment, the axle center of two gear shaft 3 is hollow, two mechanical pump axle drive shafts 8 pass respectively and by the hollow axle center of bearings in corresponding gear shaft 3, one end of mechanical pump axle drive shaft 8 is connected with input shaft 1, the other end be installed with 9, two mechanical pump driven wheels 9 of mechanical pump driven wheel respectively with drive corresponding mechanical pump.
By Fig. 2 Fig. 3 as seen, described marine gear box also comprises PTO gear wheel shaft 17, PTO power-transfer clutch 18 and PTO output shaft 20, wherein:
---two PTO gear wheel shafts 17 are all parallel with corresponding gear shaft 3, and PTO gear wheel shaft 17 and PTO output shaft 20 all support by bearing 10 and be installed on casing, and the mouth of PTO output shaft stretches out casing; PTO driven wheel 4 on the gear shaft 3 and 17 engagements of PTO gear wheel shaft, PTO gear wheel shaft 17 and PTO output shaft 20 are coaxial docking by PTO power-transfer clutch 18.
In the present embodiment, described PTO gear wheel shaft 17 is positioned at the top of gear shaft 3, described casing comprises upper box 15, lower box 16 and two PTO case covers 19 that are positioned at the upper box both sides, wherein, the axis of the faying face of last lower box and two gear shaft and output shaft is positioned at same plane, and the faying face of upper box and PTO case cover 19 is through PTO output shaft 20 axis sections.
During concrete enforcement, described driving power-transfer clutch 2 and PTO power-transfer clutch 18 are wet type hydraulic pressure multi-disc friction clutch.Described input shaft 1 supports the faying face that is installed on lower box by self-aligning roller bearing; Described gear shaft 3 front ends are by two cylindrical roller bearing axles, and the faying face that is installed on lower box is supported in the rear end by cylindrical roller bearing; Described PTO gear wheel shaft 17 front ends are by self-aligning roller bearing, and the faying face that is installed on upper box 15 and PTO case cover 19 is supported by self-aligning roller bearing and cylindrical roller in the rear end; Described PTO output shaft supports the faying face that is installed on upper box 15 and PTO case cover 19 by cylindrical roller bearing and four-point contact ball; The PTO case cover 19 that upper box 15, lower box 16 and two are positioned at the upper box both sides is solidified as a whole by bolt.
During concrete enforcement, also be provided with oil leab in the casing, the terminal of oil leab is positioned at the attachment point of each bearing 10, Sliding bush 12 and thrust bearing shoe 14, and initiating terminal is positioned at the lubricating oil inlet of casing.The oil inlet of mechanical pump 11 and lubricating oil bath are linked up, and oil outlet directly docks with the lubricating oil inlet of casing.
Claims (6)
1. one kind and the two PTO marine gear boxs of car comprise casing, input shaft, driving power-transfer clutch, gear shaft, big gear wheel, output shaft, it is characterized in that:
Output shaft is provided with thrust ring and the flange that is solidified as a whole, and flange is positioned at the mouth of output shaft; Also be installed with big gear wheel on the output shaft;
Two gear shaft and output shaft be arranged in parallel, they all with described big gear wheel engagement; All be installed with the PTO driven wheel on two gear shaft; Two input shafts are coaxial docking with corresponding gear shaft front end by driving power-transfer clutch respectively;
Two PTO gear wheel shafts and gear shaft be arranged in parallel, they respectively with corresponding gear shaft on the engagement of PTO driven wheel; Two PTO output shafts are coaxial docking with corresponding PTO gear wheel shaft end by the PTO power-transfer clutch respectively;
Described input shaft, gear shaft, PTO gear wheel shaft and PTO output shaft all are installed on casing by bearings, and the mouth of the input end of input shaft and PTO output shaft stretches out casing;
Described output shaft supports by Sliding bush and is installed on casing, and the flange of its end is positioned at outside the casing, and the thrust ring front/rear end on the output shaft is butted on casing by thrust bearing shoe;
The axle center of two gear shaft is hollow, two mechanical pump axle drive shafts pass respectively and by the hollow axle center of bearings in corresponding gear shaft, one end of mechanical pump axle drive shaft is connected with input shaft, the other end is installed with the mechanical pump driven wheel, two mechanical pump driven wheels drive corresponding mechanical pump respectively, the oil inlet of mechanical pump and lubricating oil bath are linked up, and oil outlet docks with the lubricating oil inlet of casing.
2. two PTO marine gear boxs of according to claim 1 and car, it is characterized in that: described two driven wheel rotational symmetry are positioned at the output shaft both sides, and the axis of two gear shaft and output shaft is positioned at same plane.
3. two PTO marine gear boxs of according to claim 1 and car, it is characterized in that: described input shaft supports by self-aligning roller bearing and is installed on casing; Described gear shaft front end is by two cylindrical roller bearings, and the rear end is supported by cylindrical roller bearing and is installed on casing; Described PTO gear wheel shaft front end is by self-aligning roller bearing, and the rear end is supported by self-aligning roller bearing and cylindrical roller and is installed on casing; Described PTO output shaft supports by cylindrical roller bearing and four-point contact ball and is installed on casing.
4. two PTO marine gear boxs of according to claim 1 and car, it is characterized in that: described driving power-transfer clutch and PTO power-transfer clutch are wet type hydraulic pressure multi-disc friction clutch.
5. two PTO marine gear boxs of described and car according to one of claim 1～4, it is characterized in that: described PTO gear wheel shaft is positioned at the top of gear shaft; Described casing comprises upper box, lower box and two PTO case covers that are positioned at the upper box both sides, wherein, the axis of the faying face of last lower box and two gear shaft and output shaft is in same plane, and the faying face of upper box and PTO case cover is through PTO output shaft axis section; Described upper box, lower box and two PTO case covers that are positioned at the upper box both sides are solidified as a whole by bolt.
6. two PTO marine gear boxs of according to claim 5 and car, it is characterized in that: be provided with oil leab in the described casing, the terminal of oil leab is positioned at the attachment point of bearing or Sliding bush or thrust bearing shoe, and initiating terminal is positioned at the lubricating oil inlet of casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045048 CN102139756B (en) | 2011-02-25 | 2011-02-25 | Paralleling dual-PTO (power take-off) marine gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110045048 CN102139756B (en) | 2011-02-25 | 2011-02-25 | Paralleling dual-PTO (power take-off) marine gearbox |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139756A CN102139756A (en) | 2011-08-03 |
| CN102139756B true CN102139756B (en) | 2013-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110045048 Active CN102139756B (en) | 2011-02-25 | 2011-02-25 | Paralleling dual-PTO (power take-off) marine gearbox |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074772A (en) * | 2014-06-24 | 2014-10-01 | 杭州萧山江南通用机械厂 | Gear case for underwater pump |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD110465A1 (en) * | 1974-02-26 | 1974-12-20 | ||
| DE3760724D1 (en) * | 1986-05-23 | 1989-11-16 | Renk Tacke Gmbh | Ship's propulsion unit |
| CN101412439B (en) * | 2008-11-27 | 2010-11-10 | 重庆齿轮箱有限责任公司 | Gearbox for ship having paralleled twin-engine with PTO and clutch |
| CN201292006Y (en) * | 2008-11-27 | 2009-08-19 | 重庆齿轮箱有限责任公司 | Double-locomotive parallel operation clutch gearbox for ship |
| CN101445154B (en) * | 2008-12-17 | 2010-12-22 | 重庆齿轮箱有限责任公司 | Double-input multi-output parallel operation on-off gearbox used for boats |
| CN201354143Y (en) * | 2009-01-08 | 2009-12-02 | 杭州前进齿轮箱集团股份有限公司 | Double-input and single-output marine gearbox |
| CN201636277U (en) * | 2010-01-14 | 2010-11-17 | 重庆齿轮箱有限责任公司 | Quick reversible gearbox for transshipment |
| CN202023887U (en) * | 2011-02-25 | 2011-11-02 | 南京高精船用设备有限公司 | Vehicle-combining double-PTO (Power Take Off) marine gearbox |
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2011
- 2011-02-25 CN CN 201110045048 patent/CN102139756B/en active Active
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| Publication number | Publication date |
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| CN102139756A (en) | 2011-08-03 |
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