CN117570180A - 3-gear electric control gear shifting transfer case - Google Patents
3-gear electric control gear shifting transfer case Download PDFInfo
- Publication number
- CN117570180A CN117570180A CN202410007374.XA CN202410007374A CN117570180A CN 117570180 A CN117570180 A CN 117570180A CN 202410007374 A CN202410007374 A CN 202410007374A CN 117570180 A CN117570180 A CN 117570180A
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- CN
- China
- Prior art keywords
- gear
- output
- shifting
- transfer case
- gear shifting
- 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
Links
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
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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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/32—Gear shift yokes, e.g. shift forks
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
Abstract
The invention discloses a 3-gear electric control gear shifting transfer case which comprises a case body, wherein an input shaft and an output shaft are arranged on the case body in parallel, the input shaft and the output shaft are connected in a matched manner through a transmission mechanism, a gear shifting sleeve is arranged on the output shaft, a 3-gear shifting cylinder is connected and arranged on the gear shifting sleeve, and a control device is connected and arranged on the 3-gear shifting cylinder; the automatic transmission device is provided with 3 gears, is simple and reliable in structure, low in cost and convenient to install, is favorable for automatic control of equipment, and is high in practicability.
Description
Technical Field
The invention belongs to the technical field of tractors, and particularly relates to a 3-gear electric control gear shifting transfer case.
Background
The four-drive transfer case used by the existing tractor is basically operated by manual and mechanical operation as long as 2 gears, has low cost and high reliability, and is not beneficial to the automatic control of equipment; the small oil cylinder or motor is used for controlling the gear shifting of the gearbox, and the installation and the use are not very convenient due to the large volume, and the device is not suitable for controlling the 3-gear gearbox.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a 3-gear electric control gear shifting transfer case.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the utility model provides a 3 shelves automatically controlled transfer case that shifts, includes the box, parallel is equipped with input shaft and output shaft on the box, input shaft and output shaft pass through drive mechanism cooperation and connect, be equipped with the cover of shifting on the output shaft, the cover of shifting links to each other with 3 shelves shift cylinder, the last controlling means that connects of 3 shelves shift cylinder.
Preferably, the output shaft is provided with a first output gear and a second output gear, and the gear shifting sleeve is arranged between the first output gear and the second output gear.
Preferably, the gear shifting sleeve is axially slid with the output shaft and is in rotary transmission fit, and meshing teeth which are mutually matched are arranged on two sides of the gear shifting sleeve and the corresponding side face of the output gear.
Preferably, the 3-gear shifting cylinder is provided with a shifting fork, a piston rod, a left control channel and a right control channel, the piston rod is arranged in parallel with the output shaft, one end of the shifting fork is arranged on the piston rod, and the other end of the shifting fork is in axial limiting connection with the shifting sleeve;
preferably, the shift sleeve and the shift fork move left and right along the axial direction along with the piston rod, and the piston rod, the shift fork and the shift sleeve are stopped at a left/middle/right gear by providing a pressure source for the left control channel and the right control channel.
Preferably, the control device comprises a pressure source and an electromagnetic directional valve for controlling the pressure of the left control channel and the right control channel.
Preferably, the input shaft is provided with two driving gears, and the two driving gears are respectively in meshed transmission connection with the first output gear and the second output gear.
Preferably, an intermediate shaft is arranged between the input shaft and the output shaft, a duplex intermediate gear is arranged on the intermediate shaft, a driving gear is arranged on the input shaft, one side of the duplex intermediate gear is in meshed transmission connection with the driving gear, and the first output gear and the second output gear are respectively in meshed transmission connection with two ends of the other side of the duplex intermediate gear.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
the invention provides a transfer case with 3-gear electric control gear shifting; the automatic transmission device is provided with 3 gears, is simple and reliable in structure, low in cost and convenient to install, is favorable for automatic control of equipment, and is high in practicability.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a 3-speed electronically controlled shift transfer case of the present invention;
fig. 2 is a schematic diagram II of the overall structure of a 3-gear electrically-controlled gear shifting transfer case.
Reference numerals: 1. a case; 2. an input shaft; 3. a drive gear; 4. a duplex intermediate gear; 5. a first output gear; 6. a second output gear; 7. an output shaft; 8. a shift sleeve; 9. a shifting fork; 10. a piston rod; 11. a left control channel; 12. a right control channel; 13. an electromagnetic reversing valve; 14. and an intermediate shaft.
Detailed Description
The following is a further explanation of an embodiment of a 3-speed electronically controlled shift transfer case in accordance with the present invention, in conjunction with FIGS. 1-2. The 3-gear electrically-controlled gear shifting transfer case is not limited to the description of the following embodiments.
Examples:
the embodiment provides a specific implementation mode of a 3-gear electric control gear shifting transfer case, as shown in fig. 1, the electric control gear shifting transfer case comprises a case body 1, an input shaft 2 and an output shaft 7 are arranged on the case body 1 in parallel, the input shaft 2 and the output shaft 7 are connected in a matched mode through a transmission mechanism, a gear shifting sleeve 8 is arranged on the output shaft 7, the gear shifting sleeve 8 is connected with a 3-gear shifting cylinder, and a control device is arranged on the 3-gear shifting cylinder in a connecting mode.
In one possible embodiment, the output shaft 7 is provided with a first output gear 5 and a second output gear 6, and the shift sleeve 8 is provided between the first output gear 5 and the second output gear 6.
In one possible embodiment, the gear shifting sleeve 8 is axially slidably and rotationally engaged with the output shaft 7, and the two sides of the gear shifting sleeve 8 and the corresponding output gear sides are provided with mutually engaged teeth.
By adopting the technical scheme:
the gear shifting sleeve 8 is arranged between two output gears and is mounted on the output shaft 7 together, and the two output gears are rotationally matched with the output shaft 7 and limited by the left and right of the output shaft 7 so as to be capable of rotating freely along the axis; the gear shifting sleeve 8 is in axial sliding fit with the output shaft 7, namely the gear shifting sleeve 8 rotates along with the output shaft 7 and can move left and right along the axial direction; the gear shifting sleeve 8 and the two output gears are provided with meshing teeth which can be matched with each other, when the gear shifting sleeve 8 is in the middle position, the gear shifting sleeve 8 is not meshed with the output gears on two sides (neutral gear), and when the gear shifting sleeve moves leftwards or rightwards, the output shaft-meshing teeth are linked with the corresponding output gears through the meshing teeth (left gear/right gear).
In one possible implementation, the 3-gear shifting cylinder is provided with a shifting fork 9, a piston rod 10, a left control channel 11 and a right control channel 12, the piston rod 10 is arranged in parallel with the output shaft, one end of the shifting fork 9 is arranged on the piston rod 10, and the other end of the shifting fork 9 is in axial limit connection with the shifting sleeve 8;
in one possible embodiment, the shift collar 8 and fork 9 move axially left and right with the piston rod 10, stopping the piston rod 10, fork 9 and shift collar 8 in a left/middle/right gear by providing a pressure source to the left control channel 11 and right control channel 12.
By adopting the technical scheme:
the shift collar 8-fork 9 will move axially left and right with the piston rod 10, and the piston rod 10-fork 9-shift collar 8 will be stopped in 3 determined gear positions left-middle-right by providing a pressure source to the left/right control channels, which are at the same time pressurized in the neutral position, and which are at the right/left gear respectively.
In one possible embodiment, the control device comprises a pressure source and a solenoid directional valve 13 for controlling the pressure of the left control channel 11 and the right control channel 12.
In one possible implementation, the electromagnetic directional valve is a 3-position 4-way valve with a median function of P-A/B, which has 2 electromagnetic coils, two output ports connected to left and right control channels, P port connected to pressure source, and T port connected to loop.
In one possible embodiment, the control device is controlled with 2 electromagnetic directional valves (one for each of the left and right control channels).
In one possible embodiment, two driving gears 3 are provided on the input shaft 2, the two driving gears 3 being in meshed driving connection with a first output gear 5 and a second output gear 6, respectively.
Further, as shown in fig. 1, 2 input gears 3 are respectively kept in constant mesh with two output gears, and the rotation directions of the input shaft 2 and the output shaft 7 of the 3-gear electrically-controlled gear-shifting transfer case are opposite.
In one possible embodiment, an intermediate shaft 14 is arranged between the input shaft 2 and the output shaft 7, a duplex intermediate gear 4 is arranged on the intermediate shaft 14, a driving gear 3 is arranged on the input shaft 2, one side of the duplex intermediate gear 4 is in meshed transmission connection with the driving gear 3, and a first output gear 5 and a second output gear 6 are respectively in meshed transmission connection with two ends of the other side of the duplex intermediate gear 4.
Further, as shown in fig. 2, the 3-gear electrically-controlled gear shifting transfer case is further provided with an intermediate shaft 14 fixedly installed on the case body, a duplex intermediate gear 4 is installed on the intermediate shaft 14 in a rolling fit and is limited left and right, the driving gear 3 is meshed with the intermediate gear, then the duplex gear is meshed with the two output gears respectively, and the input shaft 2 and the output shaft 7 have the same selective rotation direction.
The foregoing is a further detailed description of the invention in connection with the preferred embodiments, and it is not intended that the invention be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the invention, and these should be considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a 3 shelves automatically controlled transfer case of shifting which characterized in that: the gear shifting device comprises a box body (1), wherein an input shaft (2) and an output shaft (7) are arranged on the box body (1) in parallel, the input shaft (2) and the output shaft (7) are connected in a matched mode through a transmission mechanism, a gear shifting sleeve (8) is arranged on the output shaft (7), the gear shifting sleeve (8) is connected with a 3-gear shifting cylinder, and a control device is arranged on the 3-gear shifting cylinder in a connected mode;
the output shaft (7) is provided with a first output gear (5) and a second output gear (6), and the gear shifting sleeve (8) is arranged between the first output gear (5) and the second output gear (6);
the gear shifting sleeve (8) is axially slidably matched with the output shaft (7) in a rotary transmission manner, and meshing teeth matched with each other are arranged on two sides of the gear shifting sleeve (8) and the corresponding side face of the output gear.
2. A 3-speed electronically controlled shift transfer case as in claim 1 wherein: the 3-gear shifting cylinder is provided with a shifting fork (9), a piston rod (10), a left control channel (11) and a right control channel (12), the piston rod (10) is arranged in parallel with the output shaft, one end of the shifting fork (9) is arranged on the piston rod (10), and the other end of the shifting fork is in axial limiting connection with the shifting sleeve (8).
3. A 3-speed electronically controlled shift transfer case as in claim 2 wherein: the gear shifting sleeve (8) and the shifting fork (9) move left and right along the axial direction along with the piston rod (10), and the piston rod (10), the shifting fork (9) and the gear shifting sleeve (8) are stopped at a left gear, a middle gear and a right gear by providing a pressure source for the left control channel (11) and the right control channel (12).
4. A 3-speed electronically controlled shift transfer case as in claim 1 wherein: the control device comprises a pressure source and an electromagnetic directional valve (13) for controlling the pressure of the left control channel (11) and the right control channel (12).
5. A 3-speed electronically controlled shift transfer case as in claim 1 wherein: the input shaft (2) is provided with two driving gears (3), and the two driving gears (3) are respectively in meshed transmission connection with the first output gear (5) and the second output gear (6).
6. A 3-speed electronically controlled shift transfer case as in claim 1 wherein: intermediate shaft (14) is arranged between input shaft (2) and output shaft (7), be equipped with duplex intermediate gear (4) on intermediate shaft (14), be equipped with driving gear (3) on input shaft (2), duplex intermediate gear (4) one side and driving gear (3) meshing transmission are connected, first output gear (5) and second output gear (6) respectively with duplex intermediate gear (4) opposite side both ends meshing transmission are connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410007374.XA CN117570180A (en) | 2024-01-03 | 2024-01-03 | 3-gear electric control gear shifting transfer case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410007374.XA CN117570180A (en) | 2024-01-03 | 2024-01-03 | 3-gear electric control gear shifting transfer case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117570180A true CN117570180A (en) | 2024-02-20 |
Family
ID=89892121
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410007374.XA Pending CN117570180A (en) | 2024-01-03 | 2024-01-03 | 3-gear electric control gear shifting transfer case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117570180A (en) |
-
2024
- 2024-01-03 CN CN202410007374.XA patent/CN117570180A/en active Pending
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