A multi-power output transmission case

Abstract

The present invention provides a multi-power output transmission case, which mainly includes a driving shaft, six bearings, four needle bearing sleeves, four needle bearings, a first double gear, a second double gear, a first connecting gear, a second connecting gear, an oil stirring driving gear, a first sliding gear sleeve, a second sliding gear sleeve, a first fork assembly, a second fork assembly, an intermediate shaft, a gear for generator, an oil stirring driven gear, an intermediate gear for hydraulic pump, a hydraulic pump shaft, a gear for hydraulic pump and a pump connecting disc, etc. The transmission case of the present invention can achieve single-power input and multi-power mode output, and has four working modes in total, namely neutral mode, generator working alone mode, hydraulic pump working alone mode, and generator and hydraulic pump working simultaneously mode, featuring small volume and multiple functional modes.

Description

Technical Field

[0001] The present invention belongs to the technical field of crawler vehicle transmissions, and particularly relates to a transmission case that realizes single power input and multiple power outputs. Background Art

[0002] At present, the three-axis transmission cases used in crawler vehicles in China can only provide working conditions in three modes: neutral gear, generator working alone, and hydraulic pump working alone, and cannot realize the simultaneous operation of the motor and the hydraulic pump, thus failing to meet the usage requirements. Summary of the Invention

[0003] (1) Technical Problems to be Solved

[0004] The present invention provides a multi-power-output transmission case to solve the technical problem of how to realize four modes: neutral gear, generator working alone, hydraulic pump working alone, and generator and hydraulic pump working simultaneously.

[0005] (2) Technical Solutions

[0006] To solve the above technical problems, the present invention provides a multi-power-output transmission case, which includes a driving shaft, a first bearing, a second bearing, a first bearing seat, a second bearing seat, a first needle bearing sleeve, a second needle bearing sleeve, a first double gear, a second double gear, a first needle bearing, a second needle bearing, a first connecting gear, a second connecting gear, an oil stirring driving gear, a first sliding gear sleeve, a second sliding gear sleeve, a first fork assembly, a second fork assembly, a transmission case body, a first gear lever, a second gear lever, a positioning pin, a first gear positioning plate, a second gear positioning plate, a case cover, an intermediate shaft, a third bearing, a fourth bearing, a third bearing seat, a fourth bearing seat, a generator gear, an oil stirring driven gear, a third needle bearing, a third needle bearing sleeve, an intermediate gear for hydraulic pump, a fourth needle bearing, a fourth needle bearing sleeve, a hydraulic pump shaft, a fifth bearing, a sixth bearing, a fifth bearing seat, a sixth bearing seat, a hydraulic pump gear, and a pump connecting disc; wherein,

[0007] The driving shaft is installed in the driving shaft hole of the transmission case body through the first bearing, the second bearing, and the corresponding first bearing seat and second bearing seat; the driving shaft is connected to the power output end through a first transmission shaft to input power to the transmission case; the driving shaft is axially positioned in the case through the first bearing and the second bearing; the first needle bearing sleeve and the second needle bearing sleeve are installed on the driving shaft and are located between the first bearing and the second bearing; the first needle bearing is installed on the outer cylindrical surface of the first needle bearing sleeve and is installed in the inner hole of the first double gear; the second needle bearing is installed on the outer cylindrical surface of the second needle bearing sleeve and is installed in the inner hole of the second double gear, and the first double gear 12 and the second double gear are supported by the first needle bearing and the second needle bearing;

[0008] The first double gear and the second double gear are respectively mounted on the first needle bearing sleeve and the second needle bearing sleeve through the first needle bearing and the second needle bearing; the first connecting gear, the oil stirring driving gear, and the second connecting gear are respectively connected in series on the driving shaft through splines from left to right; the first sliding gear sleeve is connected to the external teeth of the first connecting gear through internal teeth, and the second sliding gear sleeve is connected to the external teeth of the second connecting gear through internal teeth; the first sliding gear sleeve and the second sliding gear sleeve are respectively positioned with the box body through the first fork assembly and the second fork assembly; one ends of the first gear lever and the second gear lever are respectively connected to the first fork assembly and the second fork assembly, and the other ends are respectively fixed in the gear holes of the first gear positioning plate and the second gear positioning plate through positioning pins; the first gear positioning plate and the second gear positioning plate are fixed on the box cover, two gear holes are designed on the first gear positioning plate, and two gear holes are designed on the second gear positioning plate;

[0009] The intermediate shaft is installed in the intermediate shaft hole of the transmission box body through the third bearing, the fourth bearing and the corresponding third bearing seat and fourth bearing seat; the generator gear is fixed on the intermediate shaft through splines and forms a paired force-transmitting gear with the first double gear; the oil stirring driven gear is installed on the intermediate shaft through the third needle bearing and the third needle bearing sleeve and forms a paired force-transmitting gear with the oil stirring driving gear; the intermediate gear for the hydraulic pump is installed on the intermediate shaft through the fourth needle bearing and the fourth needle bearing sleeve; the output end of the intermediate shaft is connected to the generator through the second transmission shaft;

[0010] The hydraulic pump shaft is installed in the hydraulic pump shaft hole of the transmission box body through the fifth bearing, the sixth bearing and the corresponding fifth bearing seat and sixth bearing seat; the gear for the hydraulic pump is fixed on the hydraulic pump shaft through splines and forms a paired force-transmitting gear with the intermediate gear for the hydraulic pump and the second double gear; the output end of the hydraulic pump shaft is connected to the hydraulic pump through the pump connection disc.

[0011] (III) Beneficial effects

[0012] The present invention provides a multi-power output transmission case, which includes a driving shaft, a first bearing, a second bearing, a first bearing seat, a second bearing seat, a first needle bearing sleeve, a second needle bearing sleeve, a first double gear, a second double gear, a first needle bearing, a second needle bearing, a first coupling gear, a second coupling gear, an oil stirring driving gear, a first sliding gear sleeve, a second sliding gear sleeve, a first fork assembly, a second fork assembly, a transmission case body, a first gear position handle, a second gear position handle, a positioning pin, a first gear position positioning plate, a second gear position positioning plate, a case cover, an intermediate shaft, a third bearing, a fourth bearing, a third bearing seat, a fourth bearing seat, a gear for generator, an oil stirring driven gear, a third needle bearing, a third needle bearing sleeve, an intermediate gear for hydraulic pump, a fourth needle bearing, a fourth needle bearing sleeve, a hydraulic pump shaft, a fifth bearing, a sixth bearing, a fifth bearing seat, a sixth bearing seat, a gear for hydraulic pump and a pump connection disk.

[0013] The transmission case of the present invention can achieve single power input and multi-power mode output, and has four working modes in total, namely a neutral mode, a mode where the generator works alone, a mode where the hydraulic pump works alone, and a mode where the generator and the hydraulic pump work simultaneously. It has the characteristics of small volume and multiple functional modes. Brief Description of the Drawings

[0014] Figure 1 It is a top view of the installation layout of the multi-power output transmission case of the present invention on a vehicle body;

[0015] Figure 2 It is an internal sectional view of the multi-power output transmission case of the present invention;

[0016] Figure 3 It is a top view of the multi-power output transmission case of the present invention;

[0017] Figure 4 It is a front view of the multi-power output transmission case of the present invention. Detailed Description of the Embodiment

[0018] To make the purpose, content and advantages of the present invention clearer, the following further describes the detailed embodiments of the present invention in conjunction with the drawings and embodiments.

[0019] This embodiment provides a multi-power output transmission case, which is used to separately or simultaneously transmit the power of a generator and a hydraulic pump, and to separately or simultaneously cut off the power of the generator and the hydraulic pump. Its structure is as Figures 1-4As shown in the figure, the transmission case 3 mainly includes a driving shaft 7, a first bearing 8, a second bearing 20, a first bearing seat 9, a second bearing seat 19, a first needle bearing sleeve 10, a second needle bearing sleeve 18, a first double gear 12, a second double gear 16, a first needle bearing 11, a second needle bearing 17, a first connecting gear 44, a second connecting gear 21, an oil stirring driving gear 14, a first sliding gear sleeve 43, a second sliding gear sleeve 22, a first fork assembly 13, a second fork assembly 15, a transmission case body 32, a first gear lever 49, a second gear lever 46, a positioning pin 50, a first gear positioning plate 48, a second gear positioning plate 47, a case cover 45, an intermediate shaft 24, a third bearing 39, a fourth bearing 25, a third bearing seat 40, a fourth bearing seat 26, a generator gear 42, an oil stirring driven gear 41, a third needle bearing 37, a third needle bearing sleeve 38, an intermediate gear for hydraulic pump 23, a fourth needle bearing 28, a fourth needle bearing sleeve 27, a hydraulic pump shaft 33, a fifth bearing 35, a sixth bearing 30, a fifth bearing seat 34, a sixth bearing seat 29, a gear for hydraulic pump 31 and a pump connecting disc 36.

[0020] The driving shaft 7 is installed in the driving shaft hole 50 of the transmission case body 32 through the first bearing 8, the second bearing 20 and the corresponding first bearing seat 9, second bearing seat 19. The driving shaft 7 is connected to the power output end 1 through the first transmission shaft 2 to input power to the transmission case 3. The driving shaft 7 ensures its axial position in the case through the first bearing 8 and the second bearing 20. The first needle bearing sleeve 10 and the second needle bearing sleeve 18 are installed on the driving shaft 7 and are located between the first bearing 8 and the second bearing 20. The first needle bearing 11 is installed on the outer cylindrical surface of the first needle bearing sleeve 10 and is installed in the inner hole of the first double gear 12; the second needle bearing 17 is installed on the outer cylindrical surface of the second needle bearing sleeve 18 and is installed in the inner hole of the second double gear 16. The first double gear 12 and the second double gear 16 are supported by the first needle bearing 11 and the second needle bearing 17.

[0021] The first double gear 12 and the second double gear 16 are respectively mounted on the first needle bearing sleeve 10 and the second needle bearing sleeve 18 through the first needle bearing 11 and the second needle bearing 17. The first coupling gear 44, the oil stirring driving gear 14, and the second coupling gear 21 are respectively connected in series on the driving shaft 7 through splines from left to right. The first sliding gear sleeve 43 is connected to the external teeth of the first coupling gear 44 through internal teeth, and the second sliding gear sleeve 22 is connected to the external teeth of the second coupling gear 21 through internal teeth. The first sliding gear sleeve 43 and the second sliding gear sleeve 22 are respectively positioned with the box body 32 through the first fork assembly 13 and the second fork assembly 15. One ends of the first gear lever 49 and the second gear lever 46 are respectively connected to the first fork assembly 13 and the second fork assembly 15, and the other ends are respectively fixed in the gear holes of the first gear positioning plate 48 and the second gear positioning plate 47 through the positioning pins 50. The first gear positioning plate 48 and the second gear positioning plate 47 are fixed on the box cover 45. The first gear positioning plate 48 is designed with gear holes of A0 and A1, and the second gear positioning plate 47 is designed with gear holes of B0 and B1.

[0022] The countershaft 24 is installed in the countershaft hole 51 of the transmission box body 32 through the third bearing 39, the fourth bearing 25 and the corresponding third bearing seat 40, the fourth bearing seat 26. The generator gear 42 is fixed on the countershaft 24 through splines and forms a paired power transmission gear with the first double gear 12. The oil stirring driven gear 41 is installed on the countershaft 24 through the third needle bearing 37 and the third needle bearing sleeve 38 and forms a paired power transmission gear with the oil stirring driving gear 14. The intermediate gear 23 for the hydraulic pump is installed on the countershaft 24 through the fourth needle bearing 28 and the fourth needle bearing sleeve 27. The output end of the countershaft 24 is connected to the generator 5 through the second transmission shaft 4.

[0023] The hydraulic pump shaft 33 is installed in the hydraulic pump shaft hole 52 of the transmission box body 32 through the fifth bearing 35, the sixth bearing 30 and the corresponding fifth bearing seat 34, the sixth bearing seat 29. The gear 31 for the hydraulic pump is fixed on the hydraulic pump shaft 33 through splines and forms paired power transmission gears with the intermediate gear 23 for the hydraulic pump and the second double gear 16. The output end of the hydraulic pump shaft 33 is connected to the hydraulic pump 6 through the pump connection disk 36.

[0024] The working principle of the multi-power output transmission box of the present invention is as follows: When the positioning pins 50 on the first gear lever 49 and the second gear lever 46 are respectively placed at the positions of "A0" and "B0" of the first gear positioning plate 48 and the second gear positioning plate 47, that is, the neutral position, the first sliding gear sleeve 43 and the second sliding gear sleeve 22 are placed in the middle position, only connected to the first coupling gear 44 and the second coupling gear 21 respectively, not connected to the first double gear 12 and the second double gear 16, and the power is not transmitted to the countershaft 24 and the hydraulic pump shaft 33, and the driving shaft idles.

[0025] When the positioning pins 50 on the first gear lever 49 and the second gear lever 46 are respectively placed at the positions of "A1" and "B0" on the first gear positioning plate 48 and the second gear positioning plate 47, the first sliding gear sleeve 43 slides to the left and is simultaneously connected to the first double gear 12 and the first connecting gear 44. The second sliding gear sleeve 22 is placed in the middle position and is only connected to the second connecting gear 21 and not connected to the second double gear 16. Power is transmitted to the generator 5 through the driving shaft 7, the first connecting gear 44, the first sliding gear sleeve 43, the first double gear 12, the generator gear 42, the intermediate shaft 24, and the second transmission shaft 4, realizing the power supply to the generator 5 alone.

[0026] When the positioning pins 50 on the first gear lever 49 and the second gear lever 46 are respectively placed at the positions of "A0" and "B1" on the first gear positioning plate 48 and the second gear positioning plate 47, the first sliding gear sleeve 43 is placed in the middle position and is only connected to the first connecting gear 44 and not connected to the first double gear 12. The second sliding gear sleeve 22 slides to the right and is simultaneously connected to the second double gear 16 and the second connecting gear 21. Power is transmitted to the hydraulic pump 6 through the driving shaft 7, the second connecting gear 21, the second sliding gear sleeve 22, the second double gear 16, the intermediate gear 23 for hydraulic pump, the gear 31 for hydraulic pump, the hydraulic pump shaft 33, and the pump connecting disc 36, realizing the power supply to the hydraulic pump 6 alone.

[0027] When the positioning pins 50 on the first gear lever 49 and the second gear lever 46 are respectively placed at the positions of "A1" and "B1" on the first gear positioning plate 48 and the second gear positioning plate 47, the first sliding gear sleeve 43 slides to the left and is simultaneously connected to the first double gear 12 and the first connecting gear 44. The second sliding gear sleeve 22 slides to the right and is simultaneously connected to the second double gear 16 and the second connecting gear 21. Power is transmitted to the generator 5 through the driving shaft 7, the first connecting gear 44, the first sliding gear sleeve 43, the first double gear 12, the generator gear 12, the intermediate shaft 24, and the second transmission shaft two 4, realizing the power supply to the generator 5. At the same time, power is transmitted to the hydraulic pump 6 through the driving shaft 7, the second connecting gear 21, the second sliding gear sleeve 22, the second double gear 16, the intermediate gear 23 for hydraulic pump, the gear 31 for hydraulic pump, the hydraulic pump shaft 33, and the pump connecting disc 36, realizing the power supply to the hydraulic pump 6. That is, the generator 5 and the hydraulic pump 6 work simultaneously.

[0028] The oil-stirring driving gear 14 and the oil-stirring driven gear 41 of the present invention rotate when the transmission case is in any working mode, and the oil-stirring driven gear 41 can stir oil to provide lubrication for the transmission case.

[0029] The above are only the preferred embodiments of the present invention. It should be noted that for those of ordinary skill in the art, without departing from the technical principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A multi-power output transmission case, characterized in that, The transmission case includes a driving shaft, a first bearing, a second bearing, a first bearing seat, a second bearing seat, a first needle bearing sleeve, a second needle bearing sleeve, a first double gear, a second double gear, a first needle bearing, a second needle bearing, a first coupling gear, a second coupling gear, an oil stirring driving gear, a first sliding gear sleeve, a second sliding gear sleeve, a first fork assembly, a second fork assembly, a transmission case body, a first gear lever, a second gear lever, a positioning pin, a first gear positioning plate, a second gear positioning plate, a case cover, an intermediate shaft, a third bearing, a fourth bearing, a third bearing seat, a fourth bearing seat, a generator gear, an oil stirring driven gear, a third needle bearing, a third needle bearing sleeve, an intermediate gear for hydraulic pump, a fourth needle bearing, a fourth needle bearing sleeve, a hydraulic pump shaft, a fifth bearing, a sixth bearing, a fifth bearing seat, a sixth bearing seat, a gear for hydraulic pump and a pump connection disk; wherein, The driving shaft is installed in the driving shaft hole of the transmission case body through the first bearing, the second bearing and the corresponding first bearing seat and second bearing seat; the driving shaft is connected to the power output end through a first transmission shaft to input power to the transmission case; the driving shaft ensures its axial position in the case through the first bearing and the second bearing; the first needle bearing sleeve and the second needle bearing sleeve are installed on the driving shaft and are located between the first bearing and the second bearing; the first needle bearing is installed on the outer cylindrical surface of the first needle bearing sleeve and is installed in the inner hole of the first double gear; the second needle bearing is installed on the outer cylindrical surface of the second needle bearing sleeve and is installed in the inner hole of the second double gear, and the first double gear and the second double gear are supported by the first needle bearing and the second needle bearing; The first double gear and the second double gear are respectively installed on the first needle bearing sleeve and the second needle bearing sleeve through the first needle bearing and the second needle bearing; the first coupling gear, the oil stirring driving gear and the second coupling gear are respectively connected in series on the driving shaft through splines from left to right; the first sliding gear sleeve is connected to the outer teeth of the first coupling gear through internal teeth, and the second sliding gear sleeve is connected to the outer teeth of the second coupling gear through internal teeth; the first sliding gear sleeve and the second sliding gear sleeve are respectively positioned with the case body through the first fork assembly and the second fork assembly; one ends of the first gear lever and the second gear lever are respectively connected to the first fork assembly and the second fork assembly, and the other ends are respectively fixed in the gear holes of the first gear positioning plate and the second gear positioning plate through positioning pins; the first gear positioning plate and the second gear positioning plate are fixed on the case cover, two gear holes are designed on the first gear positioning plate, and two gear holes are designed on the second gear positioning plate; The countershaft is installed in the countershaft hole of the transmission case body through the third bearing, the fourth bearing and the corresponding third bearing housing, the fourth bearing housing; the generator gear is fixed on the countershaft by splines and forms a paired force-transmitting gear with the first double gear; the oil stirring driven gear is installed on the countershaft through the third needle bearing, the third needle bearing sleeve and forms a paired force-transmitting gear with the oil stirring driving gear; the intermediate gear for the hydraulic pump is installed on the countershaft through the fourth needle bearing, the fourth needle bearing sleeve; the output end of the countershaft is connected to the generator through the second transmission shaft. The hydraulic pump shaft is installed in the hydraulic pump shaft hole of the transmission case body through the fifth bearing, the sixth bearing and the corresponding fifth bearing housing, the sixth bearing housing; the gear for the hydraulic pump is fixed on the hydraulic pump shaft by splines and forms a paired force-transmitting gear with the intermediate gear for the hydraulic pump, the second double gear; the output end of the hydraulic pump shaft is connected to the hydraulic pump through the pump connection disk.

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