CN104896075A - Three-gear gearbox with concentric structure - Google Patents
Three-gear gearbox with concentric structure Download PDFInfo
- Publication number
- CN104896075A CN104896075A CN201510258090.9A CN201510258090A CN104896075A CN 104896075 A CN104896075 A CN 104896075A CN 201510258090 A CN201510258090 A CN 201510258090A CN 104896075 A CN104896075 A CN 104896075A
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- Prior art keywords
- gear
- keep
- shaft
- gears
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/087—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears
- F16H3/089—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0434—Features relating to lubrication or cooling or heating relating to lubrication supply, e.g. pumps ; Pressure control
- F16H57/0436—Pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
- F16H57/0467—Elements of gearings to be lubricated, cooled or heated
- F16H57/0473—Friction devices, e.g. clutches or brakes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0039—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratios comprising three forward speeds
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/20—Transmissions using gears with orbital motion
- F16H2200/203—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes
- F16H2200/2038—Transmissions using gears with orbital motion characterised by the engaging friction means not of the freewheel type, e.g. friction clutches or brakes with three engaging means
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention relates to a gearbox, in particular to a pump multi-gear gearbox without a reversing function, and belongs to the field of multi-gear power transmission devices. The gearbox comprises a box body, an input shaft component, an output shaft component, a two-gear shaft component and a three-gear shaft component are arranged in the box body, and the input shaft component and the output shaft component are concentrically distributed. The three-gear gearbox with a concentric structure is compact in structure, transmission ratio velocity difference can be optionally set, and transmission ratio adjusting range is wide.
Description
Technical field
The present invention relates to a kind of gearbox, particularly relate to the many gear gearboxes of a kind of pump without the need to commutation function, belong 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.
Summary of the invention
The present invention 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 invention is mainly solved by following technical proposals:
Three gear gearboxes of concentric structure, comprise casing, are provided with input shaft parts, output shaft assembly, two gear shaft parts and three gear shaft parts 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 two gear driven gears, the right-hand member cover of described output shaft has three gear driven gears, 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 a gear clutch and and keeps off piston between the left-hand end of described output shaft and input drive gear;
Two described gear shaft parts comprise two gear transmission shafts, the left end covers of described two gear transmission shafts have be meshed with input drive gear two keep off driving gear, the right-hand member of two described gear transmission shafts is set with two gear main pinions, the left-hand end and two of described two gear main pinions are kept off and are provided with two gear clutches and two between driving gear and keep off piston, described two gear main pinion overcoats have keep off with two that driven gear is meshed two keep off master gear, described two afterbodys keeping off transmission shafts are provided with oil pump;
Three described gear shaft parts comprise three gear transmission shafts, the left end covers of described three gear transmission shafts have be meshed with input drive gear three keep off driving gear, the right-hand member of three described gear transmission shafts is set with three gear main pinions, the left hand hay cutter end that described three gear driving gears and three keep off main pinion is provided with three gear clutches and three and keeps off piston, described three keep off main pinion overcoats have to keep off with three that driven gear is meshed three keep off master gear;
Between a described gear piston and input shaft, two keep off piston and two and to keep off between transmission shaft, three keep off piston and three and keep off between transmission shaft and be respectively equipped with return spring;
Be provided with a gear working oil passage and a gear grease channel in described input shaft, a described gear working oil passage and keeps off piston and is connected, and a described gear grease channel is connected with return spring; Be provided with two gear working oil passages and two gear grease channels in two described gear transmission shafts, described two gear working oil passages and two keep off piston and are connected, and two described gear grease channels are connected with return spring; Be provided with three gear working oil passages and three gear grease channels in three described gear transmission shafts, described three gear working oil passages and three keep off piston and are connected, and three described gear grease channels are 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, between described input shaft with casing, between input shaft and output shaft, between output shaft and casing, two to keep off between transmission shaft and casing, two to keep off between main pinion and casing, three to keep off between transmission shaft and casing, three keep off and locating mutually respectively by bearing between main pinion and casing.
As preferably, described oil pump keep off transmission shaft by oil pump transmission cover and two and locates mutually, and described two keep off main pinions and two spacing of keeping off between transmission shaft are greater than 5mm, and described three keep off main pinions and three spacing of keeping off between transmission shaft are greater than 5mm.
As preferably, a described gear clutch, two gear clutches, three gear clutches 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 two gear driving gears and three gear driving gears rotations that are engaged with respectively again, two gear driving gears drive two gear shafts 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, a gear clutch, two gear clutches and three gear clutches 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 " a gear job " position, one gear clutch combines, other two gears throw-out-of clutch, power keeps off clutch through input coupling, input shaft to, and a gear 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 " two gear work " position, two gear clutches combine, other two gears throw-out-of clutch, power reaches two gear clutches through input coupling, input shaft, input drive gear, two gear driving gears, two gear clutches drive two gear driving gears, two gear driven gears 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 " three gear work " position, three gear clutches combine, other two gears throw-out-of clutch, power reaches three gear clutches through input coupling, input shaft, input drive gear, three gear driving gears, three gear clutches drive three gear driving gears, three gear driven gears 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 gear, transmission efficiency is high; One, two, three gears all adopt wet shifting clutch, can export by the many gears of hydraulic operation, single input, realize 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 a gear 1:1 transmission, another two gear velocity ratio speed differences 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; Because three groups of axle systems horizontal branch mailbox or two, three gear clutch shafts can tie up to input shaft upper horizontal and arrange, dismounting of the present invention and easy to maintenance and beautiful shape.
Therefore, three gear gearboxes of a kind of concentric structure of the present invention, 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 invention.
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 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, two gear shaft parts and three gear shaft parts 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 two gear driven gears 6, the right-hand member cover of described output shaft 5 has three gear driven gears 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 a gear clutch 9 and and keeps off piston 10 between the left-hand end of described output shaft 5 and input drive gear 3;
Two described gear shaft parts comprise two gear transmission shafts 11, the left end covers of described two gear transmission shafts 11 have be meshed with input drive gear 3 two keep off driving gear 12, the right-hand member of two described gear transmission shafts 11 is set with two gear main pinions 13, the left-hand end and two of described two gear main pinions 13 are kept off and are provided with two gear clutches 14 and two between driving gear 12 and keep off piston 15, described two gear main pinion 13 overcoats have keep off with two that driven gear 12 is meshed two keep off master gear 16, described two afterbodys keeping off transmission shafts 11 are provided with oil pump 17;
Three described gear shaft parts comprise three gear transmission shafts 18, the left end covers of described three gear transmission shafts 18 have be meshed with input drive gear 3 three keep off driving gear 19, the right-hand member of three described gear transmission shafts 18 is set with three gear main pinions 20, described three gear driving gears 19 are provided with three gear clutches 21 and three with the three left hand hay cutter ends keeping off main pinion 20 and keep off piston 22, described three keep off main pinion 20 overcoats have to keep off with three that driven gear 7 is meshed three keep off master gear 23;
Between a described gear piston 10 and input shaft 2, two keep off piston 15 and two and to keep off between transmission shaft 11, three keep off piston 22 and three and keep off between transmission shaft 18 and be respectively equipped with return spring 24;
Be provided with gear working oil passage 25 and a gear grease channel 26 in described input shaft 2, a described gear working oil passage 25 and keeps off piston 10 and is connected, and a described gear grease channel 26 is connected with return spring 24; Be provided with two gear working oil passage 27 and two gear grease channels 28 in two described gear transmission shafts 11, described two gear working oil passages 27 and two keep off piston 15 and are connected, and two described gear grease channels 28 are connected with return spring 24; Be provided with three gear working oil passage 29 and three gear grease channels 30 in three described gear transmission shafts 18, described three gear working oil passages 29 and three keep off piston 22 and are connected, and three described gear grease channels 30 are connected with return spring 24.
Between described input shaft 2 with casing 1, between input shaft 2 and output shaft 5, between output shaft 5 and casing 1, two to keep off between transmission shaft 11 and casing 1, two to keep off between main pinion 20 and casing 1, three to keep off between transmission shaft 18 and casing 1, three keep off between main pinion 20 and casing 1 and locating respectively by bearing 31 phase.
Described oil pump 17 keeps off transmission shaft 11 phase by oil pump transmission cover 32 and two and locates, and two described gear main pinions 20 and two spacing of keeping off between transmission shaft 11 are greater than 5mm, and three described gear main pinions 20 and three spacing of keeping off between transmission shaft 18 are greater than 5mm.
A described gear clutch 9, two keeps off clutch 14, three gear clutch 21 and is 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, two gear shaft parts and three gear shaft parts 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 two gear driven gears (6), the right-hand member cover of described output shaft (5) has three gear driven gears (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 a gear clutch (9) and and keeps off piston (10) between the left-hand end of described output shaft (5) and input drive gear (3);
Two described gear shaft parts comprise two gear transmission shafts (11), the left end covers of described two gears transmission shaft (11) have be meshed with input drive gear (3) two keep off driving gear (12), the right-hand member of two described gears transmission shaft (11) is set with two gear main pinions (13), the left-hand end and two of described two gears main pinion (13) are kept off and are provided with two gear clutches (14) and two between driving gear (12) and keep off piston (15), described two gear main pinion (13) overcoats have to keep off with two that driven gear (12) is meshed two keep off master gear (16), the afterbody of two described gears transmission shaft (11) is provided with oil pump (17),
Three described gear shaft parts comprise three gear transmission shafts (18), the left end covers of described three gears transmission shaft (18) have be meshed with input drive gear (3) three keep off driving gear (19), the right-hand member of three described gears transmission shaft (18) is set with three gear main pinions (20), three described gears driving gear (19) are provided with three gear clutches (21) and three with the three left hand hay cutter ends keeping off main pinion (20) and keep off piston (22), described three gear main pinion (20) overcoats have to keep off with three that driven gear (7) is meshed three keep off master gear (23),
Between described gear piston (10) and input shaft (2), two keep off piston (15) and two and to keep off between transmission shaft (11), three keep off piston (22) and three and keep off between transmission shaft (18) and be respectively equipped with return spring (24);
A gear working oil passage (25) and gear grease channel (26) is provided with in described input shaft (2), described gear working oil passage (25) and keeps off piston (10) and is connected, and described gear grease channel (26) is connected with return spring (24); Two gear working oil passages (27) and two gears grease channel (28) are provided with in two described gears transmission shaft (11), described two gears working oil passage (27) and two keep off piston (15) and are connected, and two described gears grease channel (28) are connected with return spring (24); Three gear working oil passages (29) and three gears grease channel (30) are provided with in three described gears transmission shaft (18), described three gears working oil passage (29) and three keep off piston (22) and are connected, and three described gears grease channel (30) are 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), between input shaft (2) and output shaft (5), between output shaft (5) and casing (1), two to keep off between transmission shaft (11) and casing (1), two to keep off between main pinion (20) and casing (1), three to keep off between transmission shaft (18) and casing (1), three keep off between main pinion (20) and casing (1) and locating mutually respectively by bearing (31).
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) keeps off transmission shaft (11) by oil pump transmission cover (32) and two and locates mutually, described two gears main pinion (20) and two keep off between transmission shaft (11), three keep off main pinion (20) and three and keep off between transmission shaft (18) and there is gap respectively.
4. three gear gearboxes of a kind of concentric structure according to claim 1 and 2, is characterized in that: described gear clutch (9), two gears clutch (14), three gears clutch (21) are respectively hydraulic operation wet-type multi-chip friction clutch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258090.9A CN104896075A (en) | 2015-05-20 | 2015-05-20 | Three-gear gearbox with concentric structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510258090.9A CN104896075A (en) | 2015-05-20 | 2015-05-20 | Three-gear gearbox with concentric structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104896075A true CN104896075A (en) | 2015-09-09 |
Family
ID=54028932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510258090.9A Pending CN104896075A (en) | 2015-05-20 | 2015-05-20 | Three-gear gearbox with concentric structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN104896075A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757186A (en) * | 2016-04-20 | 2016-07-13 | 福建奉田信新能源科技有限公司 | Gearbox special for new energy automobile |
| CN107345557A (en) * | 2016-05-07 | 2017-11-14 | 熵零技术逻辑工程院集团股份有限公司 | A kind of variable transmission mechanism |
| CN108547918A (en) * | 2018-05-11 | 2018-09-18 | 浙江吉利控股集团有限公司 | Three fast dual clutch transmissions and electric vehicle |
| CN110345204A (en) * | 2019-06-13 | 2019-10-18 | 南京高精船用设备有限公司 | Half slip clutch gear-box |
| CN111322390A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2074258A (en) * | 1980-04-18 | 1981-10-28 | Pitcraft Summit Ltd | Change-speed gearbox |
| CN201273347Y (en) * | 2008-07-08 | 2009-07-15 | 杭州发达齿轮箱集团有限公司 | Improved multi-sheet wet-type hydraulic clutch |
| US20100269613A1 (en) * | 2009-04-24 | 2010-10-28 | Kang Myungkoo | Multi-clutch transmission having dual front-positioned gears and method of operating the same |
| CN102135160A (en) * | 2011-03-21 | 2011-07-27 | 浙江吉利汽车研究院有限公司 | Drive gear shift mechanism for electric automobile |
| CN204647256U (en) * | 2015-05-20 | 2015-09-16 | 杭州发达齿轮箱集团有限公司 | A kind of three gear gearboxes of concentric structure |
-
2015
- 2015-05-20 CN CN201510258090.9A patent/CN104896075A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2074258A (en) * | 1980-04-18 | 1981-10-28 | Pitcraft Summit Ltd | Change-speed gearbox |
| CN201273347Y (en) * | 2008-07-08 | 2009-07-15 | 杭州发达齿轮箱集团有限公司 | Improved multi-sheet wet-type hydraulic clutch |
| US20100269613A1 (en) * | 2009-04-24 | 2010-10-28 | Kang Myungkoo | Multi-clutch transmission having dual front-positioned gears and method of operating the same |
| CN102135160A (en) * | 2011-03-21 | 2011-07-27 | 浙江吉利汽车研究院有限公司 | Drive gear shift mechanism for electric automobile |
| CN204647256U (en) * | 2015-05-20 | 2015-09-16 | 杭州发达齿轮箱集团有限公司 | A kind of three gear gearboxes of concentric structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105757186A (en) * | 2016-04-20 | 2016-07-13 | 福建奉田信新能源科技有限公司 | Gearbox special for new energy automobile |
| CN107345557A (en) * | 2016-05-07 | 2017-11-14 | 熵零技术逻辑工程院集团股份有限公司 | A kind of variable transmission mechanism |
| CN108547918A (en) * | 2018-05-11 | 2018-09-18 | 浙江吉利控股集团有限公司 | Three fast dual clutch transmissions and electric vehicle |
| CN110345204A (en) * | 2019-06-13 | 2019-10-18 | 南京高精船用设备有限公司 | Half slip clutch gear-box |
| CN111322390A (en) * | 2019-11-29 | 2020-06-23 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
| CN111322390B (en) * | 2019-11-29 | 2021-11-02 | 福建中维动力科技股份有限公司 | Four-gear transmission speed change control system |
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Application publication date: 20150909 |
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