CN103062339A - Speed reducer for reamer in cutter suction dredger - Google Patents
Speed reducer for reamer in cutter suction dredger Download PDFInfo
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- CN103062339A CN103062339A CN2013100119976A CN201310011997A CN103062339A CN 103062339 A CN103062339 A CN 103062339A CN 2013100119976 A CN2013100119976 A CN 2013100119976A CN 201310011997 A CN201310011997 A CN 201310011997A CN 103062339 A CN103062339 A CN 103062339A
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Abstract
The invention relates to a speed reducer of a reamer in a cutter suction dredger. The speed reducer comprises a box, input gear shafts, intermediate gear shafts, intermediate gears, an output gear, an output shaft and output flanges, wherein the box is a sealed box, a thrust ring is arranged on the output shaft, a thrust bearing shell is arranged between the front and rear end faces of the thrust bearing shell and the box, one end of the output shaft extends out of the box and is provided with the output flanges; two input gear shafts, two first intermediate gear shafts and two second intermediate gear shafts are mutually parallel and symmetrically distributed on two sides of the output shaft; one ends of the input gear shafts extend output of the box and are connected with output shafts of deep-water motors via safety clutches; the first intermediate gear, the second intermediate gear and the output shaft which are matched are mounted on the first intermediate gear shaft, the second intermediate gear shaft and the output shaft; seal boxes are respectively arranged on the box at input ends of the two input gear shafts, and the safety clutches are arranged in the seal boxes.
Description
Technical field
The present invention relates to a kind of speed reducer, be used for the speed reducer of reamer in especially a kind of cutter suction dredger.
Background technique
Along with boats and ships maximize, maximize in the harbour, navigation channel deep water drive dredging market continues flourish.Urban development and industrialization construction, land resource scarcity has brought bright prospects for enclosing sea (enclosing the beach) with making.The seaway construction brings new market for the dredging industry.Dredge the flourish of industry, country greatly develops the engineering ship construction and revitalizes maritime works's cause, and the demand of dredger is very huge.Cutter suction dredger accounts for more than 60% of domestic dredger total amount as very important ship type in the dredging vessel, has wide application market.
Generally to be useful on the long axis system reamer and to be used for minor axis with speed reducer be the speed reducer of reamer to reamer on traditional cutter suction dredger, the speed reducer that wherein is used for the long axis system reamer is operated in more than the water surface, minor axis is that the speed reducer of reamer then is operated in below the water surface, because under water several meters or tens of meters work of reamer, task requires it can work in 0 ~ 65 degree scope, reamer for several meters or tens of meters work under water, generally all adopt minor axis system, the rotating speed that is in speed reducer under water is high, output power and moment of torsion are large, tightness requires high, and need to bear very large thrust, not only operating mode is abominable under water, and reliability requirement is also high, in 0 ~ 65 degree scope, can work, therefore, how solve the technical bottleneck that the speed reducer that can work at tens of rice just becomes development deep water river cutter suction dredger under water.
Summary of the invention
The object of the invention is to: high with the speed reducer rotating speed for cutter suction dredger reamer, output power and moment of torsion are large, and it is large to bear very large thrust, reliability requirement is also high, not only operating mode is abominable under water, tightness requires high, and the practical problem that can work in 0 ~ 65 degree scope, and the speed reducer that is used for reamer in a kind of new cutter suction dredger is provided.
The object of the present invention is achieved like this: be used for the speed reducer of reamer in a kind of cutter suction dredger, comprise casing, input gear axle, intermediate gear shaft, intermediate gear, output gear, output shaft and output flange is characterized in that:
A) be seal case in the casing, output shaft is supported in the casing by Sliding bush, also is provided with the thrust ring that is solidified as a whole on the output shaft, is provided with thrust bearing shell between the front/rear end of thrust ring and the casing, one end of output shaft stretches out casing, and its end is provided with output flange; Two input gear axles that are parallel to each other, two the first intermediate gear shafts and two the second intermediate gear shaft symmetric arrays are in the output shaft both sides, and an end of input gear axle stretches out casing, and its end is connected with the output shaft of deep-water motor by safety clutch;
B) be installed with the first intermediate gear on the first intermediate gear shaft, be installed with the second intermediate gear on the second intermediate gear shaft, fixedly mount output gear on the output shaft;
C) described input gear axle and the first intermediate gear engagement, the first intermediate gear shaft forms the identical two-way transmission branch road of technical parameter arranged side by side with the engagement of the second intermediate gear, the second intermediate gear shaft in the two-way transmission branch road and the engagement of same output gear;
D) be positioned on the casing of two input gear axle input ends and be respectively equipped with a sealed case, described safety clutch places sealed case; The output shaft that stretches out casing is provided with integral seal, form with casing between sealing contact.
In the present invention: the lubrication system of speed reducer comprises lubricating pump and lubricating oil path, and lubricating pump drives by the deep-water motor that is installed in casing.
In the present invention: described two-way transmission branch road and output gear all adopt angular gear; Described lubricating pump comprises two lubricating pumps that are arranged in parallel, and is provided with on-line monitoring water content of lubricating oil sensor in the lubricating oil path.
The two-way transmission branch road acting in conjunction arranged side by side of adopting double input form structure the invention has the advantages that: owing to can improve output power and the moment of torsion of output shaft in output shaft; Because the input end of two input gear axles all is provided with safety clutch, can according to the actual working state of reamer in the output shaft cutter suction dredger, select or regulate the input shaft of participation work; Because output shaft is supported in the casing by Sliding bush, also be provided with the thrust ring that is solidified as a whole on the output shaft, be provided with thrust bearing shell between the front/rear end of thrust ring and the casing, an end of output shaft stretches out casing, and output shaft can bear larger radially torsion and end thrust; Owing to be respectively equipped with a sealed case on the casing, described safety clutch places sealed case, the output shaft that stretches out simultaneously casing is provided with integral seal, can avoid water to infiltrate casing from the connecting part of input gear axle and output shaft and casing, improves the sealing of casing; Because lubricating pump is two lubricating pumps that are arranged in parallel, and can guarantee that lubrication system works is reliable; Survey the water content of lubricating oil sensor owing to be provided with on-line monitoring in the lubricating oil path, in case seepage occurs, just energy and alarm in order in time repair, guarantee the speed reducer normal operation.Compact structure of the present invention is convenient to safeguard.
Description of drawings
Fig. 1 is the structural representation of the invention process row;
Fig. 2 is the structural representation of integral seal on the output shaft.
Among the figure: 1, safety clutch, 2, the input gear axle, 3, the first intermediate gear, 4, the second intermediate gear shaft, 5, the first intermediate gear shaft, 6, the second intermediate gear, 7, output gear, 8, output shaft, 9, thrust bearing shoe, 10, thrust ring, 11, Sliding bush, 12, integral seal, 13, casing, 14, Sliding bush, 15, Sliding bush, 16, output flange, 17, sealed case, 18, lubricating pump, 19, lining, 20, seal ring, 21, spring, 22, rear body, 23, hoisting board, 24, the first rear sealing seat, 25, the second rear sealing seat, 26, the 3rd rear sealing seat, 27, rear sealing cover, 28, fixing clamp, 29, the first rear pad, 30, the second rear pad, 31, the O RunddichtringO.
Embodiment
The nonrestrictive concrete structure that discloses the embodiment of the invention of accompanying drawing, the invention will be further described below in conjunction with accompanying drawing.
As seen from Figure 1, the present invention includes casing 13, input gear axle 2, intermediate gear shaft, intermediate gear, output gear 7, output shaft 8 and output flange 16, wherein: be seal case in the casing 13, output shaft is supported in the casing 13 by Sliding bush 11, Sliding bush 14 and Sliding bush 15, also be provided with the thrust ring 10 that is solidified as a whole on the output shaft 8, be provided with thrust bearing shell 9 between the front/rear end of thrust ring 10 and the casing 13, one end of output shaft 8 stretches out casing 13, and its end is provided with output flange 16; Two input gear axles 2 that are parallel to each other, two the first intermediate gear shafts 5 and two the second intermediate gear shaft 4 symmetric arrays are in output shaft 8 both sides, one end of input gear axle 2 stretches out casing 13, and its end is connected with the output shaft of deep-water motor by safety clutch 1.Be installed with on the first intermediate gear shaft 5 on the first intermediate gear 3, the second intermediate gear shafts 4 and be installed with the second intermediate gear 6, fixed installation output gear 7 on the output shaft 8.Input gear axle 2 and 3 engagements of the first intermediate gear, the first intermediate gear shaft 5 forms the identical two-way transmission branch road of technical parameter arranged side by side with 6 engagements of the second intermediate gear, the second intermediate gear shaft 4 in the two-way transmission branch road and same output gear 7 engagements.Be positioned on the casing 13 of two input gear axle 2 input ends and be respectively equipped with a sealed case 17, described safety clutch 1 places sealed case 17; The output shaft 8 that stretches out casing 13 is provided with integral seal 12, form with casing 13 between sealing contact.
In the present embodiment: the lubrication system of speed reducer comprises lubricating pump 18 and lubricating oil path, and lubricating pump 18 drives by the deep-water motor that is installed in casing.
In the present embodiment: described two-way transmission branch road and output gear 7 all adopt angular gear; Described lubricating pump 18 comprises two lubricating pumps that are arranged in parallel, and is provided with on-line monitoring water content of lubricating oil sensor in the lubricating oil path.
As seen from Figure 2, integral seal comprises back bush 19, seal ring 20, spring 21, rear body 22, hoisting board 23, the first rear sealing seat 24, the second rear sealing seat 25, the 3rd rear sealing seat 26, rear sealing cover 27, fixing clamp 28, the first rear pad 29, the second rear pad 30, O RunddichtringO 31.
During work, can select single input or double input mode of operation according to actual working state, also can in the situation that does not change single input service pattern, realize the mutual conversion between two input ends.The energy of input end input passes to output shaft 8 by output gear 7, radial force is born by sliding bearing 11, sliding bearing 14, sliding bearing 15 in the output shaft 8, and the end thrust that mangler shaft system produces is born by the thrust bearing shoe 9 of the thrust ring 10 in the output shaft 8 and thrust ring 10 front and back.
Claims (3)
1. be used for the speed reducer of reamer in the cutter suction dredger, comprise casing, input gear axle, intermediate gear shaft, intermediate gear, output gear, output shaft and output flange is characterized in that:
A) be seal case in the casing, output shaft is supported in the casing by Sliding bush, also is provided with the thrust ring that is solidified as a whole on the output shaft, is provided with thrust bearing shell between the front/rear end of thrust ring and the casing, one end of output shaft stretches out casing, and its end is provided with output flange; Two input gear axles that are parallel to each other, two the first intermediate gear shafts and two the second intermediate gear shaft symmetric arrays are in the output shaft both sides, and an end of input gear axle stretches out casing, and its end is connected with the output shaft of deep-water motor by safety clutch;
B) be installed with the first intermediate gear on the first intermediate gear shaft, be installed with the second intermediate gear on the second intermediate gear shaft, fixedly mount output gear on the output shaft;
C) described input gear axle and the first intermediate gear engagement, the first intermediate gear shaft and the engagement of the second intermediate gear form arranged side by side, the two-way transmission branch road that technical parameter is identical, the second intermediate gear shaft in the two-way transmission branch road and the engagement of same output gear;
D) be positioned on the casing of two input gear axle input ends and be respectively equipped with a sealed case, described safety clutch places sealed case; The output shaft that stretches out casing is provided with integral seal, form with casing between sealing contact.
2. be used for the speed reducer of reamer in the cutter suction dredger according to claim 1, it is characterized in that: the lubrication system of speed reducer comprises lubricating pump and lubricating oil path, and lubricating pump drives by the deep-water motor that is installed in casing.
3. be used for the speed reducer of reamer in the cutter suction dredger according to claim 1 and 2, it is characterized in that: described two-way transmission branch road and output gear all adopt angular gear; Described lubricating pump comprises two lubricating pumps that are arranged in parallel, and is provided with on-line monitoring water content of lubricating oil sensor in the lubricating oil path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011997.6A CN103062339B (en) | 2013-01-14 | 2013-01-14 | For the speed reducer of reamer in cutter suction dredger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310011997.6A CN103062339B (en) | 2013-01-14 | 2013-01-14 | For the speed reducer of reamer in cutter suction dredger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103062339A true CN103062339A (en) | 2013-04-24 |
| CN103062339B CN103062339B (en) | 2015-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310011997.6A Active CN103062339B (en) | 2013-01-14 | 2013-01-14 | For the speed reducer of reamer in cutter suction dredger |
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| Country | Link |
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| CN (1) | CN103062339B (en) |
Cited By (3)
| 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 |
| CN106193153A (en) * | 2016-07-05 | 2016-12-07 | 浙江海洋大学 | A kind of cutter suction dredger |
| CN107237883A (en) * | 2017-07-24 | 2017-10-10 | 台州恒投工贸有限公司 | A kind of bulk goods, which is unloaded, to be equipped and its multiaxis driving decelerator |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3559498A (en) * | 1969-03-26 | 1971-02-02 | Kennedy Van Saun Co | Floating pinion mounting for reduction gear units |
| CN101429986A (en) * | 2008-12-08 | 2009-05-13 | 中信重工机械股份有限公司 | Double-input expansion type power flow concentration two-stage parallel axis hard-tooth surface speed reducer |
| 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 |
| CN102434651A (en) * | 2011-08-31 | 2012-05-02 | 太原重工股份有限公司 | Gear box used for sizing mill chassis |
| CN203130923U (en) * | 2013-01-14 | 2013-08-14 | 南京高精船用设备有限公司 | Speed reducer for reamer in cutter suction dredger |
-
2013
- 2013-01-14 CN CN201310011997.6A patent/CN103062339B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3559498A (en) * | 1969-03-26 | 1971-02-02 | Kennedy Van Saun Co | Floating pinion mounting for reduction gear units |
| CN101429986A (en) * | 2008-12-08 | 2009-05-13 | 中信重工机械股份有限公司 | Double-input expansion type power flow concentration two-stage parallel axis hard-tooth surface speed reducer |
| 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 |
| CN102434651A (en) * | 2011-08-31 | 2012-05-02 | 太原重工股份有限公司 | Gear box used for sizing mill chassis |
| CN203130923U (en) * | 2013-01-14 | 2013-08-14 | 南京高精船用设备有限公司 | Speed reducer for reamer in cutter suction dredger |
Cited By (5)
| 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 |
| CN106193153A (en) * | 2016-07-05 | 2016-12-07 | 浙江海洋大学 | A kind of cutter suction dredger |
| CN106193153B (en) * | 2016-07-05 | 2018-08-21 | 浙江海洋大学 | A kind of cutter suction dredger |
| CN107237883A (en) * | 2017-07-24 | 2017-10-10 | 台州恒投工贸有限公司 | A kind of bulk goods, which is unloaded, to be equipped and its multiaxis driving decelerator |
| CN107237883B (en) * | 2017-07-24 | 2024-01-05 | 台州恒意重工机械有限公司 | Bulk cargo receiving and unloading equipment and multi-shaft driving speed reducer thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103062339B (en) | 2015-07-29 |
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