CN102384227B - Dual-speed-ratio gearbox for ships - Google Patents
Dual-speed-ratio gearbox for ships Download PDFInfo
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- CN102384227B CN102384227B CN 201110195311 CN201110195311A CN102384227B CN 102384227 B CN102384227 B CN 102384227B CN 201110195311 CN201110195311 CN 201110195311 CN 201110195311 A CN201110195311 A CN 201110195311A CN 102384227 B CN102384227 B CN 102384227B
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Abstract
The invention relates to a gearbox for ships, in particular to a gearbox for medium-small power ships, with the advantages of ahead and stern and clutch functions and ahead running transmission and with a high-speed-ratio and a low-speed-ratio outputs. The gearbox comprises a box body part, wherein an input shaft mechanism, a backing transmission shaft mechanism and a middle gear shaft mechanism and an output shaft mechanism are arranged in the box body part. The dual-speed-ratio gearbox has a simple structure, high-gear and low-gear speed reduction ratios capable of being regulated freely according to the demands and the speed difference capable of being limited by the installation size of a box body, has the characteristics of compact structure, reliability in use, attractiveness in appearance and light weight, and can be used for greatly promoting the works of saving energy, reducing emission and consumption of the ships when applied to tugboats and dory trawlers.
Description
Technical field
Patent of the present invention relates to a kind of marine gearbox, relate in particular to a kind of band ahead running, clutch function, ahead running transmission have fast, slow two reduction speed ratio output in, the small-power marine gearbox.
Background technique
The towboat that uses, the zero load of trawler ubiquity at present navigated by water and two kinds of typical conditions of towing voyage, in order to allow diesel engine work in declared working condition when two kinds of operating modes, just need transmission system have two reduction speed ratio (the adjustable oar system cost than higher, working service is difficult, only use at high-end boats and ships), to satisfy boats and ships can both obtain best propulsive efficiency two kinds of operating modes demand.The double speed of prior art is arranged in parallel in casing than the general employing three cover clutches of marine gearbox, gear transmission adopts single-stage driving, reduction speed ratio less relatively, because fast, slow shelves need to share driving gear and output gear, reduction speed ratio speed difference is little, and the casing installation dimension is in case determine that the speed change difference just is difficult to regulate.
Summary of the invention
The present invention solves the deficiencies in the prior art, provides double speed a kind of simple in structure, easy to operate to compare marine gearbox.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals:
A kind of double speed compares marine gearbox, comprise box part, be provided with input shaft mechanism in the described box part, reversing transmission shaft mechanism, intermediate gear axis mechanism and output shaft mechanism, described input shaft mechanism comprises input shaft, bearing of input shaft, input coupling, slowly keep off driving gear, the ahead running driving gear, fast retaining driving gear and sliding shaft sleeve, be provided with in the described ahead running driving gear and keep off clutch mechanism and fast retaining clutch mechanism slowly, described input shaft is located in the box part, the head of described input shaft is with bearing of input shaft, the head of described input shaft is provided with input coupling, described input coupling is provided with the input flexibility coupling, be with sliding shaft sleeve on the described input shaft, described ahead running driving gear is enclosed within on the input shaft, the left end of described ahead running driving gear is with and keeps off driving gear slowly, the right-hand member of described ahead running driving gear is with fast retaining driving gear, the described clutch mechanism that keeps off slowly comprises and keeps off piston slowly, slowly keep off clutch, slowly keep off return spring, slowly keep off thrust-bearing, slowly keep off bearing plate and keep off the hole back-up ring slowly, described keep off slowly being provided with in the piston keep off clutch slowly, a described end that keeps off driving gear slowly is located in the ahead running driving gear by keeping off thrust-bearing slowly, the described thrust-bearing that keeps off slowly is located at input shaft and keeps off between driving gear slowly, the described thrust-bearing that keeps off slowly is by keeping off return spring slowly and keeping off piston slowly and touch mutually, the described outer end that keeps off clutch slowly is provided with and keeps off bearing plate slowly, the described bearing plate that keeps off slowly fixes by keeping off the hole slowly with back-up ring and keeping off piston slowly, described fast retaining clutch mechanism comprises fast retaining piston, fast retaining clutch, fast retaining return spring, fast retaining thrust-bearing, fast retaining bearing plate and fast retaining hole back-up ring, be provided with fast retaining clutch in the described fast retaining piston, one end of described fast retaining driving gear is located in the ahead running driving gear by fast retaining thrust-bearing, described fast retaining thrust-bearing is located between input shaft and fast retaining driving gear, described fast retaining thrust-bearing touches mutually by fast retaining return spring and fast retaining piston, the outer end of described fast retaining clutch is provided with fast retaining bearing plate, described fast retaining bearing plate fixes with back-up ring and fast retaining piston by fast retaining hole, be provided with oil circuit in the described input shaft, described oil circuit with keep off clutch mechanism slowly and fast retaining clutch mechanism is connected, the afterbody of described input shaft is provided with oil pump, and the afterbody of described input shaft fixes by bearing support and box part; Described reversing transmission shaft mechanism comprises the reversing transmission shaft, the reverse shaft bearing, the reversing bearing, reversing driving gear and reversing driving gear, be provided with reverse clutch mechanism in the described reversing driving gear, the head of described reversing transmission shaft is with the reverse shaft bearing, be with the reversing bearing on the described reverse shaft bearing, described reversing driving gear socket-connects with the reversing transmission shaft, be provided with the reversing driving gear between described reverse shaft bearing and reversing driving gear, described reversing driving gear is meshed with the ahead running driving gear, one end of described reversing driving gear is located in the reversing driving gear by the astern thrust bearing, be provided with the reversing return spring between described astern thrust bearing and reversing driving gear, described reverse clutch mechanism comprises reversing piston and reverse clutch, be provided with reverse clutch in the described reversing piston, be provided with the reversing oil circuit in the described reversing transmission shaft, described reversing oil circuit is connected with reverse clutch mechanism; Described intermediate gear axis mechanism comprises intermediate gear shaft, intermediate gear keeps off driven gear slowly, intermediate gear keeps off driven gear and middle driving gear soon, the two ends of described intermediate gear shaft are with the intermediate gear bearing respectively, driving gear in the middle of being with on the described intermediate gear shaft, the left end of driving gear is with intermediate gear and keeps off driven gear slowly in the middle of described, described intermediate gear keeps off driven gear slowly and keeps off driving gear slowly and be meshed, the right-hand member of driving gear is with intermediate gear and keeps off driven gear soon in the middle of described, and described intermediate gear keeps off driven gear soon and is meshed with fast retaining driving gear; Described output shaft mechanism comprises output shaft, output gear, output shaft coupling and output bearing, the two ends of described output shaft are respectively equipped with the output bearing, be with output gear on the described output shaft, described output gear is meshed with middle driving gear, and the afterbody of described output shaft is with the output shaft coupling.
Working principle: main frame power is imported by input coupling when the ship's navigation operating mode, drives input shaft, input drive gear and the rotation of reversing driving gear.Fast shelves clutch mechanism, slow shelves clutch mechanism, reverse clutch mechanism all are in disengaged condition when the gear-box control valve is in " neutral ", and output shaft does not rotate.When the gear-box control valve is in " fast retaining ", fast shelves clutch mechanism, power drives the output shaft rotation by input shaft through fast shelves clutch mechanism, fast shelves driving gear, fast shelves driven gear, intermediate gear shaft, output gear, and this moment, input shaft was identical with the output shaft sense of rotation.When the gear-box control valve is in " retaining slowly ", slow shelves clutch mechanism, power drives the output shaft rotation by input shaft through slow shelves clutch mechanism, slow shelves driving gear, slow shelves driven gear, intermediate gear shaft, output gear, and this moment, input shaft was identical with the output shaft sense of rotation.When the gear-box control valve is in " reversing gear ", reverse clutch mechanism engages, power drives the output shaft rotation by input shaft through input drive gear, reversing driving gear, reverse clutch mechanism, reverse driving gear, slow shelves driven gear, intermediate gear shaft, output gear, and this moment, input shaft was opposite with the output shaft sense of rotation.
The ahead running clutch is installed in series on input shaft, realize the speed shelves respectively by gear pair independently with transmission of power to the output stage gear, can realize any collocation of speed shelves reduction speed ratio, can realize bigger reduction speed ratio by double reduction during ahead running.The design of back box lid mainly solves the mounting or dismounting problem of clutch and counter shaft driven gear in the box part, two tapered roller bearings of end layout of output are supported on the casing and ahead running thrust and the reversing pulling force of propeller cavitation can be concentrated on the case face, increase the lifting surface area of this case face simultaneously, can conveniently bear bigger propeller thrust.
As preferably, described bearing of input shaft fixes with back-up ring by bearing hole, described keep off slowly being provided with in the piston keep off piston ring slowly, be provided with fast retaining piston ring in the described fast retaining piston, one end of described bearing support is provided with backing plate, described backing plate and bearing support are by the locking of backing plate locking screw parent phase, be provided with the oil sealing cover between described oil pump and box part, be provided with oil seal ring in the described oil sealing cover, the described clutch mechanism that keeps off slowly is in series with fast retaining clutch mechanism and is connected, described input coupling and keep off slowly and be provided with the centre thrust-bearing between driving gear; Described reversing bearing fixes with back-up ring by the reversing axis hole, be provided with Steel Cable Baffle Ring in the described reverse shaft bearing, described Steel Cable Baffle Ring socket-connects with the reversing transmission shaft, be provided with the middle thrust-bearing of reversing between described reverse shaft bearing and reversing driving gear, the outer end of described reverse clutch is provided with the reversing bearing plate, and described reversing bearing plate keeps off mutually with back-up ring by the reversing hole and connecing; The left end that described intermediate gear keeps off driven gear slowly is with retaining adjustment circle slowly, described retaining is slowly adjusted circle and intermediate gear and is kept off driven gear slowly and keep off mutually with back-up ring by slow gear shaft and connecing, the right-hand member that described intermediate gear keeps off driven gear soon is with fast retaining adjustment circle, described fast retaining adjustment circle and intermediate gear keep off driven gear soon and keep off mutually with back-up ring by fast gear shaft and connecing, and the afterbody of described intermediate gear shaft is provided with pressing plate; The afterbody of described output shaft is provided with the output pressing plate, and described output shaft coupling and output shaft fix by the output pressing plate, and described output shaft coupling seals by oil sealing mutually with chair mechanisms.
As preferably, be provided with locking nut in the described input coupling, described locking nut is locked with back-up ring mutually with bearing hole, fixes by bolt respectively between described input flexibility coupling and input coupling and input shaft; Be provided with the reversing piston ring in the described reversing piston; The afterbody of described intermediate gear shaft is with spacer ring, and described pressing plate and intermediate gear shaft fix by the intermediate gear bolt; Described output pressing plate and output shaft fix by the output bolt.
As preferably, described chair mechanisms comprises upper box, lower box and back box lid, described upper box and lower box are complementary fixing, and described back box lid is located at the right-hand member of upper box and lower box, and described upper box, lower box and back box lid fix by clamping bolt.
Therefore, a kind of double speed of the present invention compares marine gearbox, simple in structure, having speed shelves reduction speed ratio can regulate arbitrarily as required, the speed difference is not limited by the casing installation dimension can, have compact structure simultaneously, use reliable, beautiful shape, lightweight characteristics, can promote energy-saving and emission-reduction, the consumption reduction work of boats and ships when being applied to towboat, trawler greatly.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is system of the present invention transfer principle structural representation.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, technological scheme of the present invention is described in further detail.
Embodiment 1: as depicted in figs. 1 and 2, a kind of double speed compares marine gearbox, comprise box part 1, be provided with input shaft mechanism 2 in the described box part 1, reversing transmission shaft mechanism 3, intermediate gear axis mechanism 4 and output shaft mechanism 5, described input shaft mechanism 2 comprises input shaft 6, bearing of input shaft 7, input coupling 8, slowly keep off driving gear 9, ahead running driving gear 10, fast retaining driving gear 11 and sliding shaft sleeve 12, be provided with in the described ahead running driving gear 10 and keep off clutch mechanism and fast retaining clutch mechanism slowly, described input shaft 6 is located in the box part 1, the head of described input shaft 6 is with bearing of input shaft 7, the head of described input shaft 6 is provided with input coupling 8, described input coupling 8 is provided with input flexibility coupling 13, be with sliding shaft sleeve 12 on the described input shaft 6, described ahead running driving gear 10 is enclosed within on the input shaft 6, the left end of described ahead running driving gear 10 is with and keeps off driving gear 9 slowly, the right-hand member of described ahead running driving gear 10 is with fast retaining driving gear 11, the described clutch mechanism that keeps off slowly comprises and keeps off piston 14 slowly, slowly keep off clutch 15, slowly keep off return spring 16, slowly keep off thrust-bearing 17, slowly keep off bearing plate 18 and keep off hole back-up ring 19 slowly, described keep off slowly being provided with in the piston 14 keep off clutch 15 slowly, a described end that keeps off driving gear 9 slowly is located in the ahead running driving gear 10 by keeping off thrust-bearing 17 slowly, the described thrust-bearing 17 that keeps off slowly is located at input shaft 6 and keeps off 9 of driving gears slowly, the described thrust-bearing 17 that keeps off slowly is by keeping off return spring 16 slowly and keeping off piston 14 slowly and touch mutually, the described outer end that keeps off clutch 15 slowly is provided with and keeps off bearing plate 18 slowly, the described bearing plate 18 that keeps off slowly fixes by keeping off the hole slowly with back-up ring 19 and keeping off piston 14 slowly, described fast retaining clutch mechanism comprises fast retaining piston 20, fast retaining clutch 21, fast retaining return spring 22, fast retaining thrust-bearing 23, retaining bearing plate 24 and retaining hole back-up ring 25 soon soon, be provided with fast retaining clutch 21 in the described fast retaining piston 20, one end of described fast retaining driving gear 11 is located in the ahead running driving gear 10 by fast retaining thrust-bearing 23, described fast retaining thrust-bearing 23 is located at input shaft 6 and fast 11 of the driving gears that keep off, described fast retaining thrust-bearing 23 touches mutually by fast retaining return spring 22 and fast retaining piston 20, the outer end of described fast retaining clutch 21 is provided with fast retaining bearing plate 24, described fast retaining bearing plate 24 fixes with back-up ring 25 and fast retaining piston 20 by fast retaining hole, be provided with oil circuit 26 in the described input shaft 6, described oil circuit 26 with keep off clutch mechanism slowly and fast retaining clutch mechanism is connected, the afterbody of described input shaft 6 is provided with oil pump 27, the afterbody of described input shaft 6 fixes by bearing support 28 and box part 1, described bearing of input shaft 7 fixes with back-up ring 48 by bearing hole, described keep off slowly being provided with in the piston 14 keep off piston ring 49 slowly, be provided with fast retaining piston ring 50 in the described fast retaining piston 20, one end of described bearing support 28 is provided with backing plate 51, described backing plate 51 is locked by backing plate locking nut 52 mutually with bearing support 28,1 of described oil pump 27 and box part are provided with oil sealing cover 60, be provided with oil seal ring 53 in the described oil sealing cover 60, the described clutch mechanism that keeps off slowly is in series with fast retaining clutch mechanism and is connected, described input coupling 8 and keep off 9 of driving gears slowly and be provided with centre thrust-bearing 54;
Described reversing transmission shaft mechanism 3 comprises reversing transmission shaft 29, reverse shaft bearing 30, reversing bearing 31, reversing driving gear 32 and reversing driving gear 33, be provided with reverse clutch mechanism in the described reversing driving gear 33, the head of described reversing transmission shaft 29 is with reverse shaft bearing 30, be with reversing bearing 31 on the described reverse shaft bearing 30, described reversing driving gear 33 socket-connects with reversing transmission shaft 29, described reverse shaft bearing 30 and 33 of driving gears of reversing are provided with reversing driving gear 32, described reversing driving gear 33 is meshed with ahead running driving gear 10, one end of described reversing driving gear 32 is located in the reversing driving gear 33 by astern thrust bearing 34, described astern thrust bearing 34 and 33 of driving gears of reversing are provided with reversing return spring 35, described reverse clutch mechanism comprises reversing piston 36 and reverse clutch 37, be provided with reverse clutch 37 in the described reversing piston 36, be provided with reversing oil circuit 38 in the described reversing transmission shaft 29, described reversing oil circuit 38 is connected with reverse clutch mechanism, described reversing bearing 31 fixes with back-up ring 55 by the reversing axis hole, be provided with Steel Cable Baffle Ring 56 in the described reverse shaft bearing 30, described Steel Cable Baffle Ring 56 socket-connects with reversing transmission shaft 29, described reverse shaft bearing 30 and 32 of driving gears of reversing are provided with the middle thrust-bearing 57 of reversing, the outer end of described reverse clutch 37 is provided with reversing bearing plate 58, and described reversing bearing plate 58 keeps off mutually with back-up ring 59 by the reversing hole and connecing;
Described intermediate gear axis mechanism 4 comprises intermediate gear shaft 39, intermediate gear keeps off driven gear 40 slowly, intermediate gear keeps off driven gear 41 and middle driving gear 42 soon, the two ends of described intermediate gear shaft 39 are with intermediate gear bearing 43 respectively, driving gear 42 in the middle of being with on the described intermediate gear shaft 43, the left end of driving gear 42 is with intermediate gear and keeps off driven gear 40 slowly in the middle of described, described intermediate gear keeps off driven gear 40 slowly and keeps off driving gear 9 slowly and be meshed, the right-hand member of driving gear 42 is with intermediate gear and keeps off driven gear 41 soon in the middle of described, described intermediate gear keeps off driven gear 41 soon and is meshed with fast retaining driving gear 11, the left end that described intermediate gear keeps off driven gear 40 slowly is with retaining adjustment circle 61 slowly, described retaining is slowly adjusted circle 61 and intermediate gear and is kept off driven gear 40 slowly and keep off mutually with back-up ring 62 by slow gear shaft and connecing, the right-hand member that described intermediate gear keeps off driven gear 41 soon is with fast retaining adjustment circle 63, described fast retaining adjustment circle 63 and intermediate gear keep off driven gear 41 soon and keep off mutually with back-up ring 64 by fast gear shaft and connecing, and the afterbody of described intermediate gear shaft 39 is provided with pressing plate 65;
Described output shaft mechanism 5 comprises output shaft 44, output gear 45, output shaft coupling 46 and output bearing 47, the two ends of described output shaft 44 are respectively equipped with output bearing 47, be with output gear 45 on the described output shaft 44, described output gear 44 is meshed with middle driving gear 42, the afterbody of described output shaft 44 is with output shaft coupling 47, the afterbody of described output shaft 44 is provided with output pressing plate 66, described output shaft coupling 46 fixes by output pressing plate 66 with output shaft 44, and described output shaft coupling 46 seals by oil sealing 67 mutually with chair mechanisms 1.
Described chair mechanisms 1 comprises upper box 74, lower box 75 and back box lid 77, described upper box 74 is complementary fixing with lower box 75, described back box lid 77 is located at the right-hand member of upper box 74 and lower box 75, and described upper box 74, lower box 75 and back box lid 77 fix by clamping bolt.
Be provided with locking nut 68 in the described input coupling 8, described locking nut 68 is locked with back-up ring 48 mutually with bearing hole, and 6 of described input flexibility coupling 13 and input coupling 8 and input shafts pass through bolt 69-1 respectively, and 69-2 fixes; Be provided with reversing piston ring 70 in the described reversing piston 36; The afterbody of described intermediate gear shaft 39 is with spacer ring 71, and described pressing plate 65 fixes by intermediate gear bolt 72 with intermediate gear shaft 39; Described output pressing plate 66 fixes by output bolt 73 with output shaft 44.
Claims (4)
1. a double speed compares marine gearbox, it is characterized in that: comprise chair mechanisms (1), be provided with input shaft mechanism (2) in the described chair mechanisms (1), reversing transmission shaft mechanism (3), intermediate gear axis mechanism (4) and output shaft mechanism (5), described input shaft mechanism (2) comprises input shaft (6), bearing of input shaft (7), input coupling (8), slowly keep off driving gear (9), ahead running driving gear (10), fast retaining driving gear (11) and sliding shaft sleeve (12), be provided with in the described ahead running driving gear (10) and keep off clutch mechanism and fast retaining clutch mechanism slowly, described input shaft (6) is located in the chair mechanisms (1), the head of described input shaft (6) is with bearing of input shaft (7), the head of described input shaft (6) is provided with input coupling (8), described input coupling (8) is provided with input flexibility coupling (13), be with sliding shaft sleeve (12) on the described input shaft (6), described ahead running driving gear (10) is enclosed within on the input shaft (6), the left end of described ahead running driving gear (10) is with and keeps off driving gear (9) slowly, the right-hand member of described ahead running driving gear (10) is with fast retaining driving gear (11), the described clutch mechanism that keeps off slowly comprises and keeps off piston (14) slowly, slowly keep off clutch (15), slowly keep off return spring (16), slowly keep off thrust-bearing (17), slowly keep off bearing plate (18) and keep off hole back-up ring (19) slowly, described keep off slowly being provided with in the piston (14) keep off clutch (15) slowly, a described end that keeps off driving gear (9) slowly is located in the ahead running driving gear (10) by keeping off thrust-bearing (17) slowly, the described thrust-bearing (17) that keeps off slowly is located at input shaft (6) and keeps off slowly between driving gear (9), the described thrust-bearing (17) that keeps off slowly is by keeping off return spring (16) slowly and keeping off piston (14) slowly and touch mutually, the described outer end that keeps off clutch (15) slowly is provided with and keeps off bearing plate (18) slowly, the described bearing plate (18) that keeps off slowly fixes by keeping off the hole slowly with back-up ring (19) and keeping off piston (14) slowly, described fast retaining clutch mechanism comprises fast retaining piston (20), fast retaining clutch (21), fast retaining return spring (22), fast retaining thrust-bearing (23), fast retaining bearing plate (24) and fast retaining hole back-up ring (25), be provided with fast retaining clutch (21) in the described fast retaining piston (20), one end of described fast retaining driving gear (11) is located in the ahead running driving gear (10) by fast retaining thrust-bearing (23), described fast retaining thrust-bearing (23) is located between input shaft (6) and fast retaining driving gear (11), described fast retaining thrust-bearing (23) touches mutually by fast retaining return spring (22) and fast retaining piston (20), the outer end of described fast retaining clutch (21) is provided with fast retaining bearing plate (24), described fast retaining bearing plate (24) fixes with back-up ring (25) and fast retaining piston (20) by fast retaining hole, be provided with oil circuit (26) in the described input shaft (6), described oil circuit (26) with keep off clutch mechanism slowly and fast retaining clutch mechanism is connected, the afterbody of described input shaft (6) is provided with oil pump (27), and the afterbody of described input shaft (6) fixes by bearing support (28) and chair mechanisms (1);
Described reversing transmission shaft mechanism (3) comprises reversing transmission shaft (29), reverse shaft bearing (30), reversing bearing (31), reversing driving gear (32) and reversing driving gear (33), be provided with reverse clutch mechanism in the described reversing driving gear (33), the head of described reversing transmission shaft (29) is with reverse shaft bearing (30), be with reversing bearing (31) on the described reverse shaft bearing (30), described reversing driving gear (33) socket-connects with reversing transmission shaft (29), be provided with reversing driving gear (32) between described reverse shaft bearing (30) and reversing driving gear (33), described reversing driving gear (33) is meshed with ahead running driving gear (10), one end of described reversing driving gear (32) is located in the reversing driving gear (33) by astern thrust bearing (34), be provided with reversing return spring (35) between described astern thrust bearing (34) and reversing driving gear (33), described reverse clutch mechanism comprises reversing piston (36) and reverse clutch (37), be provided with reverse clutch (37) in the described reversing piston (36), be provided with reversing oil circuit (38) in the described reversing transmission shaft (29), described reversing oil circuit (38) is connected with reverse clutch mechanism;
Described intermediate gear axis mechanism (4) comprises intermediate gear shaft (39), intermediate gear keeps off driven gear (40) slowly, intermediate gear keeps off driven gear (41) and middle driving gear (42) soon, the two ends of described intermediate gear shaft (39) are with intermediate gear bearing (43) respectively, driving gear (42) in the middle of being with on the described intermediate gear shaft (43), the left end of driving gear (42) is with intermediate gear and keeps off driven gear (40) slowly in the middle of described, described intermediate gear keeps off driven gear (40) slowly and keeps off driving gear (9) slowly and be meshed, the right-hand member of driving gear (42) is with intermediate gear and keeps off driven gear (41) soon in the middle of described, and described intermediate gear keeps off driven gear (41) soon and is meshed with fast retaining driving gear (11);
Described output shaft mechanism (5) comprises output shaft (44), output gear (45), output shaft coupling (46) and output bearing (47), the two ends of described output shaft (44) are respectively equipped with output bearing (47), be with output gear (45) on the described output shaft (44), described output gear (45) is meshed with middle driving gear (42), and the afterbody of described output shaft (44) is with output shaft coupling (47).
2. a kind of double speed according to claim 1 compares marine gearbox, it is characterized in that: described bearing of input shaft (7) fixes with back-up ring (48) by bearing hole, described keep off slowly being provided with in the piston (14) keep off piston ring (49) slowly, be provided with fast retaining piston ring (50) in the described fast retaining piston (20), one end of described bearing support (28) is provided with backing plate (51), described backing plate (51) is locked by backing plate locking nut (52) mutually with bearing support (28), be provided with oil sealing cover (60) between described oil pump (27) and chair mechanisms (1), be provided with oil seal ring (53) in the described oil sealing cover (60), the described clutch mechanism that keeps off slowly is in series with fast retaining clutch mechanism and is connected, described input coupling (8) and keep off slowly and be provided with centre thrust-bearing (54) between driving gear (9);
Described reversing bearing (31) fixes with back-up ring (55) by the reversing axis hole, be provided with Steel Cable Baffle Ring (56) in the described reverse shaft bearing (30), described Steel Cable Baffle Ring (56) socket-connects with reversing transmission shaft (29), be provided with the middle thrust-bearing (57) of reversing between described reverse shaft bearing (30) and reversing driving gear (32), the outer end of described reverse clutch (37) is provided with reversing bearing plate (58), and described reversing bearing plate (58) keeps off mutually with back-up ring (59) by the reversing hole and connecing;
The left end that described intermediate gear keeps off driven gear (40) slowly is with retaining adjustment circle (61) slowly, described retaining is slowly adjusted circle (61) and intermediate gear and is kept off driven gear (40) slowly and keep off mutually with back-up ring (62) by slow gear shaft and connecing, the right-hand member that described intermediate gear keeps off driven gear (41) soon is with fast retaining adjustment circle (63), described fast retaining adjustment circle (63) and intermediate gear keep off driven gear (41) soon and keep off mutually with back-up ring (64) by fast gear shaft and connecing, and the afterbody of described intermediate gear shaft (39) is provided with pressing plate (65);
The afterbody of described output shaft (44) is provided with output pressing plate (66), and described output shaft coupling (46) fixes by output pressing plate (66) with output shaft (44), and described output shaft coupling (46) seals by oil sealing (67) mutually with chair mechanisms (1).
3. a kind of double speed according to claim 1 and 2 compares marine gearbox, it is characterized in that: be provided with locking nut (68) in the described input coupling (8), described locking nut (68) is locked with back-up ring (48) mutually with bearing hole, (69-1 69-2) fixes by bolt respectively between described input flexibility coupling (13) and input coupling (8) and input shaft (6);
Be provided with reversing piston ring (70) in the described reversing piston (36);
The afterbody of described intermediate gear shaft (39) is with spacer ring (71), and described pressing plate (65) fixes by intermediate gear bolt (72) with intermediate gear shaft (39);
Described output pressing plate (66) fixes by output bolt (73) with output shaft (44).
4. a kind of double speed according to claim 1 and 2 compares marine gearbox, it is characterized in that: described chair mechanisms (1) comprises upper box (74), lower box (75) and back box lid (77), described upper box (74) is complementary fixing with lower box (75), described back box lid (77) is located at the right-hand member of upper box (74) and lower box (75), and described upper box (74), lower box (75) and back box lid (77) fix by clamping bolt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110195311 CN102384227B (en) | 2011-07-13 | 2011-07-13 | Dual-speed-ratio gearbox for ships |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110195311 CN102384227B (en) | 2011-07-13 | 2011-07-13 | Dual-speed-ratio gearbox for ships |
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| CN102384227A CN102384227A (en) | 2012-03-21 |
| CN102384227B true CN102384227B (en) | 2013-09-18 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103523194A (en) * | 2013-10-29 | 2014-01-22 | 中国船舶重工集团公司第七�三研究所 | Double-speed gear transmission |
| CN104343899B (en) * | 2014-10-27 | 2017-02-15 | 上海振华重工(集团)股份有限公司 | Double-clutch double-speed reducer with neutral position function |
| CN105667751A (en) * | 2016-03-23 | 2016-06-15 | 杭州前进齿轮箱集团股份有限公司 | Double-speed twin-engine incoporation marine gearbox with reverse |
| CN106122452B (en) * | 2016-06-30 | 2018-10-16 | 杭州发达齿轮箱集团有限公司 | A kind of lightweight heavy duty marine gearbox |
| CN108167399A (en) * | 2018-02-12 | 2018-06-15 | 上海振华重工(集团)股份有限公司 | A kind of multi-speed transmission and lifting equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451238A (en) * | 1982-09-07 | 1984-05-29 | Twin Disc, Incorporated | Shaft brake for marine propulsion system |
| CN2508056Y (en) * | 2001-09-17 | 2002-08-28 | 杭州发达齿轮箱有限公司 | Gearbox for ship |
| CN202144853U (en) * | 2011-07-13 | 2012-02-15 | 杭州发达齿轮箱集团有限公司 | Marine gear case provided with double speed ratio and used for ship |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009150481A (en) * | 2007-12-20 | 2009-07-09 | Yamaha Motor Co Ltd | Lubricating device in power transmission device of ship propelling machine |
-
2011
- 2011-07-13 CN CN 201110195311 patent/CN102384227B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4451238A (en) * | 1982-09-07 | 1984-05-29 | Twin Disc, Incorporated | Shaft brake for marine propulsion system |
| CN2508056Y (en) * | 2001-09-17 | 2002-08-28 | 杭州发达齿轮箱有限公司 | Gearbox for ship |
| CN202144853U (en) * | 2011-07-13 | 2012-02-15 | 杭州发达齿轮箱集团有限公司 | Marine gear case provided with double speed ratio and used for ship |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2009-150481A 2009.07.09 |
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| CN102384227A (en) | 2012-03-21 |
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