CN211820589U - Transmission transfer case of amphibious vehicle - Google Patents
Transmission transfer case of amphibious vehicle Download PDFInfo
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- CN211820589U CN211820589U CN201921747411.1U CN201921747411U CN211820589U CN 211820589 U CN211820589 U CN 211820589U CN 201921747411 U CN201921747411 U CN 201921747411U CN 211820589 U CN211820589 U CN 211820589U
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Abstract
The utility model discloses a transmission transfer case of an amphibious vehicle, relating to the field of transmission devices and mainly comprising a box body, a main input shaft, a left transmission shaft, a right transmission shaft, a left oil pump shaft, a right oil pump shaft and a water pump output shaft; the diesel engine is connected with and drives a main input shaft, the main input shaft is respectively in gear transmission with a left transmission shaft and a right transmission shaft, the left transmission shaft and the right transmission shaft are in gear transmission with a left oil pump shaft and a right oil pump shaft, a water pump output shaft is in gear transmission with the right oil pump shaft, and a self-carried oil pump is controlled through a control valve of the transfer case, so that the control of four outputs is realized. The utility model has the advantages that: the utility model realizes that one input drives four outputs, namely two high-power oil pump outputs, one land walking gearbox output and one water jet propulsion water pump output, under each transmission shaft and each gear transmission by only inputting power through one diesel engine (prime mover); under the control of a control valve of the transfer case, two working modes of land walking and water advancing can be completed; can be popularized and applied to the transmission field of the amphibious vehicle.
Description
Technical Field
The utility model relates to a transmission's field, concretely relates to amphibian transmission transfer case.
Background
An amphibious vehicle is a special vehicle which can run on land like a normal automobile and can also run in water. Most of the conventional gearboxes are clutch gearboxes which use clutches for clutching or clutch reduction gearboxes which combine a clutch and a gear. There is no drive gearbox that integrates a water jet propulsion pump for travel on water with a gearbox for travel on land.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the not enough of prior art existence, and provide an amphibian transmission transfer case, have the advantage of a tractor serves several outputs, land homoenergetic work on water.
The purpose of the utility model is accomplished through following technical scheme: the transmission transfer case of the amphibious vehicle mainly comprises a case body, a main input shaft and an input coupling assembly; an input coupling assembly driven by a diesel engine flywheel is fixed on a main input shaft, a main clutch shell is fixedly arranged on the main input shaft, a piston, a main return spring, a main inner friction plate and a main outer friction plate are arranged in the main clutch shell, and the main inner friction plate and the main outer friction plate form a main clutch;
the gear on the main clutch shell is meshed with a left transmission gear fixedly arranged on a left transmission shaft, and the left transmission gear is simultaneously meshed with a left oil pump gear fixedly arranged on a left oil pump shaft;
the gear on the main clutch shell is also meshed with a right transmission gear fixedly arranged on a right transmission shaft, the right transmission gear is simultaneously meshed with the gear on the right clutch shell, the right clutch shell is fixedly arranged on a right oil pump shaft, a right piston, a right return spring, a right outer friction plate and a right inner friction plate are arranged in the right clutch shell, and the right outer friction plate and the right inner friction plate form a right clutch;
a water pump driving gear is further sleeved on the right oil pump shaft and meshed with a water pump output gear fixedly arranged on a water pump output shaft, and a water pump output coupling is arranged at one end of the water pump output shaft and used for externally connecting a water spray propulsion pump;
the left and right oil pump shafts are respectively externally connected with an oil pump output power through left and right oil pump couplings.
Furthermore, one end of the main input shaft is supported on the box body through a bearing E, the other end of the main input shaft is supported in an end hole of the gearbox input shaft through a sliding bearing, the gearbox input shaft is supported on the box body through an output rear bearing and an output middle bearing, the left transmission shaft is supported on the box body through a bearing A and a bearing D, the left oil pump shaft is supported on the box body through a bearing B and a bearing C, the right transmission shaft is supported on the box body through a bearing F and a bearing K, the right oil pump shaft is supported on the box body through a bearing G and a bearing J, and the water pump output shaft is supported on the box body through a bearing H and a bearing I;
the main inner friction plate and the main outer friction plate are pressed through the movement of the piston, namely the main clutch is combined, power is transmitted to an input shaft of the gearbox from the main input shaft, the input shaft of the gearbox is rotated and drives an input coupling of the gearbox to rotate together, and a land walking gearbox connected to the rear end of the input coupling of the gearbox starts to work, so that the land walking working condition is realized;
the right outer friction plate and the right inner friction plate are pressed through the motion of the right piston, namely, the right clutch is combined, so that the driving gear of the water pump rotates and drives the output gear of the water pump to rotate together, power is output to the external water jet propulsion pump through the output shaft of the water pump and the output coupling of the water pump at the shaft end, and the working condition of water traveling is realized.
The utility model has the advantages that: the utility model realizes that one input drives four outputs, namely two high-power oil pump outputs, one land walking gearbox output and one water jet propulsion water pump output, under each transmission shaft and each gear transmission by only inputting power through one diesel engine (prime mover); under the control of a control valve of the transfer case, two working modes of land walking and water advancing can be completed; can be popularized and applied to the transmission field of the amphibious vehicle.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
Description of reference numerals: 1. a sliding bearing; 2. a bearing A; 3. a left drive shaft; 4. a left oil pump coupling; 5. a bearing B; 6. a box body; 7. a left oil pump shaft; 8. a left oil pump gear; 9. a bearing C; 10. an oil pump is arranged; 11. a left drive gear; 12. a bearing D; 13. outputting a rear bearing; 14. an output middle bearing; 15. a primary return spring; 16. a main input shaft; 17. a bearing E; 18. an input coupling assembly; 19. a bearing F; 20. a piston; 21. a main inner friction plate; 22. a main outer friction plate; 23. a bearing G; 24. a bearing H; 25. a right clutch housing; 26. a right piston; 27. an output shaft of the water pump; 28. a right outer friction plate; 29. a right inner friction plate; 30. a water pump output gear; 31. a bearing I; 32. the water pump output coupling; 33. a water pump driving gear; 34. a bearing J; 35. a right oil pump shaft; 36. a right oil pump coupling; 37. a right return spring; 38. a right drive shaft; 39. a bearing K; 40. a main clutch housing; 41. a land walking gearbox; 42. a transmission input shaft; 43. a transmission input coupling; 44. and a right transmission gear.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings:
example (b): as shown in figures 1 and 2, the amphibian transfer case comprises, in general, a case 6, a main input shaft 16 and an input coupling assembly 18; an input coupling assembly 18 driven by a diesel engine flywheel is fixed on a main input shaft 16, a main clutch shell 40 is fixedly arranged on the main input shaft 16, a piston 20, a main return spring 15, a main inner friction plate 21 and a main outer friction plate 22 are arranged in the main clutch shell 40, and the main inner friction plate 21 and the main outer friction plate 22 form a main clutch (one end of the main inner friction plate 21 is meshed with spline teeth of a transmission input shaft 42); a gear is designed on the excircle of the main clutch shell 40 and is meshed with a left transmission gear 11 fixedly arranged on the left transmission shaft 3, and the left transmission gear 11 is simultaneously meshed with a left oil pump gear 8 fixedly arranged on the left oil pump shaft 7; the gear on the excircle of the main clutch shell 40 is also meshed with a right transmission gear 44 fixedly arranged on the right transmission shaft 38, the right transmission gear 44 is simultaneously meshed with the gear on the right clutch shell 25, the right clutch shell 25 is fixedly arranged on the right oil pump shaft 35, a right piston 26, a right return spring 37, a right outer friction plate 28 and a right inner friction plate 29 are arranged in the right clutch shell 25, and the right outer friction plate 28 and the right inner friction plate 29 form a right clutch (the right inner friction plate 29 is meshed with a clutch seat on the end face of the water pump driving gear 33); a water pump driving gear 33 is further sleeved on the right oil pump shaft 35, the water pump driving gear 33 is meshed with a water pump output gear 30 fixedly arranged on a water pump output shaft 27, and a water pump output coupling 32 is arranged at one end of the water pump output shaft 27 and used for being externally connected with a water jet propulsion pump; the left and right oil pump shafts 7 and 35 are respectively externally connected with an oil pump output power through left and right oil pump couplings 4 and 36.
Furthermore, one end of the main input shaft 16 is supported on the box 6 through a bearing E17, the other end is supported in an end hole of the gearbox input shaft 42 through a sliding bearing 1, the gearbox input shaft 42 is supported on the box 6 through an output rear bearing 13 and an output middle bearing 14, the left transmission shaft 3 is supported on the box 6 through a bearing a2 and a bearing D12, the left oil pump shaft 7 is supported on the box 6 through a bearing B5 and a bearing C9, the right transmission shaft 44 is supported on the box 6 through a bearing F19 and a bearing K39, the right oil pump shaft 35 is supported on the box 6 through a bearing G23 and a bearing J34, and the water pump output shaft 27 is supported on the box 6 through a bearing H24 and a bearing I31; the piston 20 moves to press the main inner friction plate 21 and the main outer friction plate 22 tightly, namely the main clutch is combined, so that the transmission input shaft 42 rotates and drives the transmission input coupling 43 to rotate together, and the land walking transmission 41 connected to the rear end of the transmission input coupling 43 starts to work, thereby realizing the work of land walking working conditions; the right outer friction plate 28 and the right inner friction plate 29 are pressed tightly by the movement of the right piston 26, namely, the right clutch is combined, so that the water pump driving gear 33 rotates and drives the water pump output gear 30 to rotate together, and power is output to an external water jet propulsion pump through the water pump output shaft 27 and a water pump output coupling 32 at the shaft end, so that the water running working condition is realized.
The utility model discloses a working process:
when the flywheel of the diesel engine drives the main input shaft 16 to rotate, the main clutch shell 40 is rotated, the gear on the main clutch shell 40 drives the left transmission gear 11 to rotate, the left oil pump gear 8 is driven to rotate through the rotation of the left transmission gear 11, the left oil pump shaft 7 fixedly arranged on the left oil pump gear 8 is driven to rotate, the left oil pump coupling 4 rotates simultaneously, and the external oil pump externally connected to the left oil pump coupling 4 can be driven to work.
In addition, the gear on the main clutch housing 40 drives the right transmission gear 44 to rotate at the same time, the right clutch housing 25 is driven to rotate by the rotation of the right transmission gear 44, and because the right clutch housing 25 is fixedly mounted on the right oil pump shaft 35, the right clutch housing 25 drives the right oil pump shaft 35 to rotate when rotating, and drives the external oil pump externally connected to the right oil pump coupling 36 to work.
When the amphibious vehicle runs on land, the transfer case gives a land walking instruction, the self-contained oil pump 10 arranged on the left side of the box body 6 conveys working oil to the piston 20, the main inner friction plate 21 and the main outer friction plate 22 are pressed tightly through the movement of the piston 20, namely, the main clutch is combined, power is transmitted to the gearbox input shaft 42 from the main input shaft 16, the gearbox input shaft 42 is rotated, the gearbox input coupling 43 is driven to rotate together, the land walking gearbox 41 connected to the rear end of the gearbox input coupling 43 starts to work, and the land walking working condition is realized.
When the amphibious vehicle runs on the water surface, the transfer case gives an overwater travelling instruction, the self-contained oil pump 10 conveys working oil to the right piston 26, the right outer friction plate 28 and the right inner friction plate 29 are pressed tightly through the motion of the right piston 26, namely, the right clutch is combined, the water pump driving gear 33 rotates and drives the water pump output gear 30 to rotate together, power is output to the external water spray propulsion pump through the water pump output shaft 27 and the water pump output coupling 32 at the shaft end, and the overwater travelling working condition work is realized.
It should be understood that equivalent substitutions or changes to the technical solution and the inventive concept of the present invention should be considered to fall within the scope of the appended claims for the skilled person.
Claims (2)
1. An amphibian car transmission transfer case which characterized in that: mainly comprises a box body (6), a main input shaft (16) and an input coupling component (18); an input coupling assembly (18) driven by a diesel engine flywheel is fixed on a main input shaft (16), a main clutch shell (40) is fixedly arranged on the main input shaft (16), a piston (20), a main return spring (15), a main inner friction plate (21) and a main outer friction plate (22) are arranged in the main clutch shell (40), and the main inner friction plate (21) and the main outer friction plate (22) form a main clutch;
a gear on the main clutch shell (40) is meshed with a left transmission gear (11) fixedly arranged on a left transmission shaft (3), and the left transmission gear (11) is simultaneously meshed with a left oil pump gear (8) fixedly arranged on a left oil pump shaft (7);
the gear on the main clutch shell (40) is also meshed with a right transmission gear (44) fixedly arranged on a right transmission shaft (38), the right transmission gear (44) is simultaneously meshed with the gear on the right clutch shell (25), the right clutch shell (25) is fixedly arranged on a right oil pump shaft (35), a right piston (26), a right return spring (37), a right outer friction plate (28) and a right inner friction plate (29) are arranged in the right clutch shell (25), and the right outer friction plate (28) and the right inner friction plate (29) form a right clutch;
a water pump driving gear (33) is further sleeved on the right oil pump shaft (35), the water pump driving gear (33) is meshed with a water pump output gear (30) fixedly arranged on a water pump output shaft (27), and a water pump output coupling (32) is arranged at one end of the water pump output shaft (27) and used for being externally connected with a water spray propulsion pump;
the left oil pump shaft (7) and the right oil pump shaft (35) are respectively externally connected with an oil pump to output power through a left oil pump coupling and a right oil pump coupling (4, 36).
2. An amphibian as claimed in claim 1 wherein: one end of the main input shaft (16) is supported on the box body (6) through a bearing E (17), the other end of the main input shaft is supported in an end hole of a gearbox input shaft (42) through a sliding bearing (1), the gearbox input shaft (42) is supported on the box body (6) through an output rear bearing (13) and an output middle bearing (14), the left transmission shaft (3) is supported on the box body (6) through a bearing A (2) and a bearing D (12), the left oil pump shaft (7) is supported on the box body (6) through a bearing B (5) and a bearing C (9), the right transmission shaft (38) is supported on the box body (6) through a bearing F (19) and a bearing K (39), the right oil pump shaft (35) is supported on the box body (6) through a bearing G (23) and a bearing J (34), and the water pump output shaft (27) is supported on the box body (6) through a bearing H (24) and a bearing I (31);
the main inner friction plate (21) and the main outer friction plate (22) are pressed through the movement of the piston (20), namely, the main clutch is combined, power is transmitted to a gearbox input shaft (42) from a main input shaft (16), the gearbox input shaft (42) is rotated and drives a gearbox input coupling (43) to rotate together, a land walking gearbox (41) connected to the rear end of the gearbox input coupling (43) starts to work, and the land walking working condition is realized;
the right outer friction plate (28) and the right inner friction plate (29) are pressed tightly through the movement of the right piston (26), namely, the right clutch is combined, so that the water pump driving gear (33) rotates and drives the water pump output gear (30) to rotate together, power is output to an external water spray propulsion pump through the water pump output shaft (27) and a water pump output coupling (32) at the shaft end, and the water advancing working condition is realized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747411.1U CN211820589U (en) | 2019-10-17 | 2019-10-17 | Transmission transfer case of amphibious vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747411.1U CN211820589U (en) | 2019-10-17 | 2019-10-17 | Transmission transfer case of amphibious vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN211820589U true CN211820589U (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921747411.1U Active CN211820589U (en) | 2019-10-17 | 2019-10-17 | Transmission transfer case of amphibious vehicle |
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| CN (1) | CN211820589U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778664A (en) * | 2019-10-17 | 2020-02-11 | 陈王龙 | Transmission transfer case of amphibious vehicle |
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2019
- 2019-10-17 CN CN201921747411.1U patent/CN211820589U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110778664A (en) * | 2019-10-17 | 2020-02-11 | 陈王龙 | Transmission transfer case of amphibious vehicle |
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