CN204647256U - A kind of three gear gearboxes of concentric structure - Google Patents
A kind of three gear gearboxes of concentric structure Download PDFInfo
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- CN204647256U CN204647256U CN201520346533.5U CN201520346533U CN204647256U CN 204647256 U CN204647256 U CN 204647256U CN 201520346533 U CN201520346533 U CN 201520346533U CN 204647256 U CN204647256 U CN 204647256U
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Abstract
The utility model relates to a kind of gearbox, particularly relates to the many gear gearboxes of a kind of pump without the need to commutation function, belongs to many gears actuating unit field.Comprise casing, be provided with input shaft parts, output shaft assembly, second gear spindle unit and third gear spindle unit in described casing, described input shaft parts and output shaft assembly are in concentric distribution.A kind of three gear gearbox designs of concentric structure are compact, and move and can arrange arbitrarily than fast difference, velocity ratio regulation range is large.
Description
Technical field
The utility model relates to a kind of gearbox, particularly relates to the many gear gearboxes of a kind of pump without the need to commutation function, belongs to many gears actuating unit field.
Background technique
Along with the great development of global industry, the mankind significantly increase the consumption of the energy and demand, and traditional energy non-renewable forces people must consider the problem of energy saving.On the other hand also force people must take more energy-conservation life, the mode of production along with the energy consumes the environmental deterioration problem brought in a large number.
Traditional gearbox of joining the pump groups such as large pump, Pulp pump, dredging pump generally only has deceleration or speedup gear, and the operating mode of pump changes because of the change of array pitch, suction head, lift and medium, usually because the change of operating mode causes prime mover not to be operated in efficient routine, cause mass energy consumption; Also have and between pump group, to increase variable-speed clutch or hydraulic couplers to reach the case of speed governing object, though there is certain energy-saving and cost-reducing ability, but variable-speed clutch and hydraulic couplers are all change input, output speed ratio by fluid power, its transmission efficiency is not high, and itself just exists a large amount of energy ezpenditure while speed governing.
Model utility content
The utility model mainly solves the deficiencies in the prior art, provides one to have clutch function, compact structure, simple to operate, volume is little, lightweight, and reliability is high, and transmission efficiency is high, velocity ratio excursion is large, beautiful shape, three gear gearboxes of a kind of concentric structure easy to maintenance.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
Three gear gearboxes of concentric structure, comprise casing, are provided with input shaft parts, output shaft assembly, second gear spindle unit and third gear spindle unit in described casing, and described input shaft parts and output shaft assembly are in concentric distribution;
Described input shaft parts comprise input shaft, and described input shaft overcoat has input drive gear, and the outer end of described input shaft is provided with input coupling;
Described output shaft assembly comprises output shaft, the left end cover of described output shaft has second gear driven gear, the right-hand member cover of described output shaft has third gear driven gear, the outer end of described output shaft is provided with output shaft coupling, the right-hand end of described input shaft stretches in the left-hand end of output shaft, is provided with one grade of clutch and one grade of piston between the left-hand end of described output shaft and input drive gear;
Described second gear spindle unit comprises second gear transmission shaft, the left end cover of described second gear transmission shaft has the second gear driving gear be meshed with input drive gear, the right-hand member of described second gear transmission shaft is set with second gear main pinion, second gear clutch and second gear piston is provided with between the left-hand end of described second gear main pinion and second gear driving gear, described second gear main pinion overcoat has the second gear master gear be meshed with second gear driven gear, and the afterbody of described second gear transmission shaft is provided with oil pump;
Described third gear spindle unit comprises third gear transmission shaft, the left end cover of described third gear transmission shaft has the third gear driving gear be meshed with input drive gear, the right-hand member of described third gear transmission shaft is set with third gear main pinion, the left hand hay cutter end of described third gear driving gear and third gear main pinion is provided with third gear clutch and third gear piston, and described third gear main pinion overcoat has the third gear master gear be meshed with third gear driven gear;
Described one grade is respectively equipped with return spring between piston and input shaft, between second gear piston and second gear transmission shaft, between third gear piston and third gear transmission shaft;
Be provided with one grade of working oil passage and one grade of grease channel in described input shaft, one grade of described working oil passage is connected with one grade of piston, and one grade of described grease channel is connected with return spring; Be provided with second gear working oil passage and second gear grease channel in described second gear transmission shaft, described second gear working oil passage is connected with second gear piston, and described second gear grease channel is connected with return spring; Be provided with third gear working oil passage and third gear grease channel in described third gear transmission shaft, described third gear working oil passage is connected with third gear piston, and described third gear grease channel is connected with return spring.
Need to illustrate that working oil promotes pistons work needs, lubricant oil is lubricating friction plate, needs could arrive clutch friction plate by return spring.
As preferably, locate mutually respectively by bearing between described input shaft with casing, between input shaft and output shaft, between output shaft and casing, between second gear transmission shaft and casing, between second gear main pinion and casing, between third gear transmission shaft and casing, between third gear main pinion and casing.
As preferably, described oil pump is located with second gear transmission shaft mutually by oil pump transmission cover, and the spacing between described second gear main pinion and second gear transmission shaft is greater than 5mm, and the spacing between described third gear main pinion and third gear transmission shaft is greater than 5mm.
As preferably, one grade of described clutch, second gear clutch, third gear clutch are respectively hydraulic operation wet-type multi-chip friction clutch.
Transfer principle: after prime mover starts, by input coupling band driven input shaft and hot jacket, input drive gear on input shaft rotates power, input drive gear drives the second gear driving gear and the rotation of third gear driving gear that are engaged with respectively again, second gear driving gear drives second gear axle to drive working oil pump work, for clutch work and gearbox lubrication provide pressure lubrication oil again;
When the Joystick of selector valve is in " sky " position, one grade of clutch, second gear clutch and third gear clutch are all in disengaged condition, and now all clutches all do not have Power output, and output shaft does not rotate;
When the Joystick of selector valve is in " one grade of work " position, one grade of clutch combines, other two grades of throw-out-of clutches, power is through input coupling, input shaft to grade clutch, and one grade of clutch drives output shaft again and exports shaft coupling and rotates, and now the rotation direction of output shaft is identical with input shaft;
When the Joystick of selector valve is in " second gear work " position, second gear clutch combines, other two grades of throw-out-of clutches, power reaches second gear clutch through input coupling, input shaft, input drive gear, second gear driving gear, second gear clutch drives second gear driving gear, second gear driven gear to output shaft again, output shaft drives and exports shaft coupling rotation, and now the rotation direction of output shaft is identical with input shaft;
When the Joystick of selector valve is in " third gear work " position, third gear clutch combines, other two grades of throw-out-of clutches, power reaches third gear clutch through input coupling, input shaft, input drive gear, third gear driving gear, third gear clutch drives third speed drive gear, third gear driven gear to output shaft again, output shaft drives and exports shaft coupling rotation, and now the rotation direction of output shaft is identical with input shaft;
Advantage is: owing to being furnished with a set of wet shifting clutch between input shaft and output shaft, can realize direct-drive when high tap position, transmission efficiency is high; One, two, third gear all adopts wet shifting clutch, can hydraulic operation, the many gears of single input export, and realizes the high efficiency transmission of constant-speed ratio and simple to operate; Because each gear is respectively only by a pair gear transmission, each gear is independent, and except one grade of 1:1 transmission, another two grades of velocity ratios speed difference can be arranged arbitrarily, and velocity ratio regulation range is large; Due to input and output concentric arrangement, structure is very compact, and whole gearbox volume can be made little, lightweight; Due to three groups of axle systems can horizontal branch mailbox or two, third gear clutch shaft ties up to input shaft upper horizontal and arranges, the utility model dismounting and easy to maintenance and beautiful shape.
Therefore, three gear gearboxes of a kind of concentric structure of the present utility model, compact structure, move and can arrange arbitrarily than fast difference, velocity ratio regulation range is large.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
Below by embodiment, and by reference to the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: as shown in Figure 1, a kind of three gear gearboxes of concentric structure, comprise casing 1, be provided with input shaft parts, output shaft assembly, second gear spindle unit and third gear spindle unit in described casing 1, described input shaft parts and output shaft assembly are in concentric distribution;
Described input shaft parts comprise input shaft 2, and described input shaft 2 overcoat has input drive gear 3, and the outer end of described input shaft 2 is provided with input coupling 4;
Described output shaft assembly comprises output shaft 5, the left end cover of described output shaft 5 has second gear driven gear 6, the right-hand member cover of described output shaft 5 has third gear driven gear 7, the outer end of described output shaft 5 is provided with and exports shaft coupling 8, the right-hand end of described input shaft 2 stretches in the left-hand end of output shaft 5, is provided with one grade of clutch 9 and one grade of piston 10 between the left-hand end of described output shaft 5 and input drive gear 3;
Described second gear spindle unit comprises second gear transmission shaft 11, the left end cover of described second gear transmission shaft 11 has the second gear driving gear 12 be meshed with input drive gear 3, the right-hand member of described second gear transmission shaft 11 is set with second gear main pinion 13, second gear clutch 14 and second gear piston 15 is provided with between the left-hand end of described second gear main pinion 13 and second gear driving gear 12, described second gear main pinion 13 overcoat has the second gear master gear 16 be meshed with second gear driven gear 12, and the afterbody of described second gear transmission shaft 11 is provided with oil pump 17;
Described third gear spindle unit comprises third gear transmission shaft 18, the left end cover of described third gear transmission shaft 18 has the third gear driving gear 19 be meshed with input drive gear 3, the right-hand member of described third gear transmission shaft 18 is set with third gear main pinion 20, described third gear driving gear 19 is provided with third gear clutch 21 and third gear piston 22 with the left hand hay cutter end of third gear main pinion 20, and described third gear main pinion 20 overcoat has the third gear master gear 23 be meshed with third gear driven gear 7;
Between one grade of described piston 10 and input shaft 2, between second gear piston 15 and second gear transmission shaft 11, between third gear piston 22 and third gear transmission shaft 18, be respectively equipped with return spring 24;
Be provided with one grade of working oil passage 25 and one grade of grease channel 26 in described input shaft 2, one grade of described working oil passage 25 is connected with one grade of piston 10, and one grade of described grease channel 26 is connected with return spring 24; Be provided with second gear working oil passage 27 and second gear grease channel 28 in described second gear transmission shaft 11, described second gear working oil passage 27 is connected with second gear piston 15, and described second gear grease channel 28 is connected with return spring 24; Be provided with third gear working oil passage 29 and third gear grease channel 30 in described third gear transmission shaft 18, described third gear working oil passage 29 is connected with third gear piston 22, and described third gear grease channel 30 is connected with return spring 24.
Locate respectively by bearing 31 phase between described input shaft 2 with casing 1, between input shaft 2 and output shaft 5, between output shaft 5 and casing 1, between second gear transmission shaft 11 and casing 1, between second gear main pinion 20 and casing 1, between third gear transmission shaft 18 and casing 1, between third gear main pinion 20 and casing 1.
Described oil pump 17 is located with second gear transmission shaft 11 phase by oil pump transmission cover 32, and the spacing between described second gear main pinion 20 and second gear transmission shaft 11 is greater than 5mm, and the spacing between described third gear main pinion 20 and third gear transmission shaft 18 is greater than 5mm.
One grade of described clutch 9, second gear clutch 14, third gear clutch 21 are respectively hydraulic operation wet-type multi-chip friction clutch.
Claims (4)
1. three gear gearboxes of a concentric structure, it is characterized in that: comprise casing (1), be provided with input shaft parts, output shaft assembly, second gear spindle unit and third gear spindle unit in described casing (1), described input shaft parts and output shaft assembly are in concentric distribution;
Described input shaft parts comprise input shaft (2), and described input shaft (2) overcoat has input drive gear (3), and the outer end of described input shaft (2) is provided with input coupling (4);
Described output shaft assembly comprises output shaft (5), the left end cover of described output shaft (5) has second gear driven gear (6), the right-hand member cover of described output shaft (5) has third gear driven gear (7), the outer end of described output shaft (5) is provided with and exports shaft coupling (8), the right-hand end of described input shaft (2) stretches in the left-hand end of output shaft (5), is provided with one grade of clutch (9) and one grade of piston (10) between the left-hand end of described output shaft (5) and input drive gear (3);
Described second gear spindle unit comprises second gear transmission shaft (11), the left end cover of described second gear transmission shaft (11) has the second gear driving gear (12) be meshed with input drive gear (3), the right-hand member of described second gear transmission shaft (11) is set with second gear main pinion (13), second gear clutch (14) and second gear piston (15) is provided with between the left-hand end of described second gear main pinion (13) and second gear driving gear (12), described second gear main pinion (13) overcoat has the second gear master gear (16) be meshed with second gear driven gear (12), the afterbody of described second gear transmission shaft (11) is provided with oil pump (17),
Described third gear spindle unit comprises third gear transmission shaft (18), the left end cover of described third gear transmission shaft (18) has the third gear driving gear (19) be meshed with input drive gear (3), the right-hand member of described third gear transmission shaft (18) is set with third gear main pinion (20), described third gear driving gear (19) is provided with third gear clutch (21) and third gear piston (22) with the left hand hay cutter end of third gear main pinion (20), described third gear main pinion (20) overcoat has the third gear master gear (23) be meshed with third gear driven gear (7),
Between one grade of described piston (10) and input shaft (2), between second gear piston (15) and second gear transmission shaft (11), between third gear piston (22) and third gear transmission shaft (18), be respectively equipped with return spring (24);
One grade of working oil passage (25) and one grade of grease channel (26) is provided with in described input shaft (2), one grade of described working oil passage (25) is connected with one grade of piston (10), and one grade of described grease channel (26) is connected with return spring (24); Second gear working oil passage (27) and second gear grease channel (28) is provided with in described second gear transmission shaft (11), described second gear working oil passage (27) is connected with second gear piston (15), and described second gear grease channel (28) is connected with return spring (24); Third gear working oil passage (29) and third gear grease channel (30) is provided with in described third gear transmission shaft (18), described third gear working oil passage (29) is connected with third gear piston (22), and described third gear grease channel (30) is connected with return spring (24).
2. three gear gearboxes of a kind of concentric structure according to claim 1, is characterized in that: between described input shaft (2) with casing (1), locate mutually respectively by bearing (31) between input shaft (2) and output shaft (5), between output shaft (5) and casing (1), between second gear transmission shaft (11) and casing (1), between second gear main pinion (20) and casing (1), between third gear transmission shaft (18) and casing (1), between third gear main pinion (20) and casing (1).
3. three gear gearboxes of a kind of concentric structure according to claim 1 and 2, it is characterized in that: described oil pump (17) is located mutually by oil pump transmission cover (32) and second gear transmission shaft (11), between described second gear main pinion (20) and second gear transmission shaft (11), between third gear main pinion (20) and third gear transmission shaft (18), there is gap respectively.
4. three gear gearboxes of a kind of concentric structure according to claim 1 and 2, is characterized in that: one grade of described clutch (9), second gear clutch (14), third gear clutch (21) are respectively hydraulic operation wet-type multi-chip friction clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346533.5U CN204647256U (en) | 2015-05-20 | 2015-05-20 | A kind of three gear gearboxes of concentric structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520346533.5U CN204647256U (en) | 2015-05-20 | 2015-05-20 | A kind of three gear gearboxes of concentric structure |
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| CN204647256U true CN204647256U (en) | 2015-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520346533.5U Active CN204647256U (en) | 2015-05-20 | 2015-05-20 | A kind of three gear gearboxes of concentric structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896075A (en) * | 2015-05-20 | 2015-09-09 | 杭州发达齿轮箱集团有限公司 | Three-gear gearbox with concentric structure |
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- 2015-05-20 CN CN201520346533.5U patent/CN204647256U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104896075A (en) * | 2015-05-20 | 2015-09-09 | 杭州发达齿轮箱集团有限公司 | Three-gear gearbox with concentric structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |