阅读说明：本技术 一种水陆两用车传动分动箱 (Transmission transfer case of amphibious vehicle ) 是由 陈王龙 禹烨 张万军 赵铁山 于 2019-10-17 设计创作，主要内容包括：本发明公开了一种水陆两用车传动分动箱,涉及传动装置领域,主要包括箱体、主输入轴、左右传动轴、左右油泵轴和水泵输出轴；柴油机连接带动主输入轴,主输入轴分别与左右传动轴通过齿轮传动,左右传动轴再与左右油泵轴齿轮传动,水泵输出轴与右油泵轴齿轮传动,通过分动箱的控制阀控制自带油泵,实现对四个输出的控制。本发明的有益效果为：本发明仅通过一台柴油机(原动机)输入功率,在各传动轴及各齿轮传动下,实现一个输入带动四个输出,即两个大功率油泵输出、一个陆上行走变速箱输出及一个喷水推进水泵输出；在通过分动箱的控制阀操纵下,能完成陆上行走及水上前进两种工作模式；可推广应用至水陆两用车的传动领域中。(The invention discloses a transmission transfer case of an amphibious vehicle, which relates to the field of transmission devices and mainly comprises a case 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 invention has the beneficial effects that: the invention only uses a diesel engine (prime motor) to input power, and realizes that one input drives four outputs under the transmission of each transmission shaft and each gear, namely two high-power oil pump outputs, a land walking gearbox output and a water jet propulsion water pump output; 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.)

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 and right oil pump shafts (7, 35) are respectively externally connected with an oil pump output power through left and right oil pump couplings (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 (44) 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.

Technical Field

The invention relates to the field of transmission devices, in particular to a transmission transfer case of an amphibious vehicle.

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.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the amphibious vehicle transmission transfer case which has the advantages of one machine with multiple outputs and capability of working on water and land.

The purpose of the invention is achieved by the 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 invention has the beneficial effects that: the invention only uses a diesel engine (prime motor) to input power, and realizes that one input drives four outputs under the transmission of each transmission shaft and each gear, namely two high-power oil pump outputs, a land walking gearbox output and a water jet propulsion water pump output; 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 invention will be described in detail below with reference to the following drawings: