CN220890956U - Novel special gearbox for electric loader - Google Patents
Novel special gearbox for electric loader Download PDFInfo
- Publication number
- CN220890956U CN220890956U CN202322408173.4U CN202322408173U CN220890956U CN 220890956 U CN220890956 U CN 220890956U CN 202322408173 U CN202322408173 U CN 202322408173U CN 220890956 U CN220890956 U CN 220890956U
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- gear
- shaft
- clutch
- output
- box body
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- 230000005540 biological transmission Effects 0.000 claims abstract description 9
- 238000005461 lubrication Methods 0.000 claims description 30
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of gearboxes, and particularly discloses a novel special gearbox for an electric loader, which comprises a box body, wherein an input shaft and an intermediate shaft are arranged in the box body, the input shaft is in transmission connection with an output shaft, a sun gear is arranged on the intermediate shaft, and a first gear clutch, a second gear clutch, an output shaft assembly and a speed change valve for gear shifting are also arranged in the box body; the first-gear clutch and the second-gear clutch are switched through a speed change valve, and the output shaft assembly is in transmission connection; an input end cover is arranged on the box body and on the shaft side of the input shaft, a driving motor is arranged on the end cover and is in driving connection with the input shaft, and forward rotation and reverse rotation of the input shaft are carried out, so that gear control of a front gear and a rear gear is realized; the design of a torque converter assembly, a power takeoff gear, a triaxial assembly and an overrunning clutch is omitted, and the three-shaft clutch has the advantages of simple structure, small volume, high efficiency, adjustable speed ratio, low manufacturing and maintenance cost and high use efficiency and reliability.
Description
Technical Field
The utility model belongs to the technical field of gearboxes, and particularly relates to a novel gearbox special for an electric loader.
Background
The traditional gearbox assembly for the engineering machinery fuel vehicle generally comprises a torque converter assembly, a power takeoff gear, a three-shaft assembly, an overrunning clutch, a variable speed pump, a reverse gear clutch, a first gear clutch, a second gear clutch and an output shaft assembly. The engine is connected with the torque converter assembly, the torque converter assembly converts mechanical energy into hydraulic energy, then the hydraulic energy is converted into mechanical energy and is output to the triaxial assembly, the overrunning clutch is used for completing automatic switching between light load and heavy load, power is transmitted to the gear clutch, the variable speed pump is used for pumping the oil to the variable speed valve, the combination and the release of the gear clutch are controlled by the variable speed valve so as to complete gear shifting, and finally the gear shifting is output by the output shaft assembly.
At present, the electric loader is in a starting stage in China, a traditional gearbox for a fuel vehicle is widely used, and a special gearbox is not used for the electric loader. The existing gearbox assembly has the defects of large volume, complex structure, low efficiency, unmatched speed ratio and high manufacturing and maintenance cost, and therefore, a special gearbox assembly for an electric loader needs to be provided to solve the problem.
Disclosure of utility model
Aiming at the problems of large volume, complex structure and high manufacturing and maintenance cost of a gearbox assembly in the prior art, a novel special gearbox for an electric loader is provided. The utility model provides the following technical scheme:
The novel special gearbox for the electric loader comprises a box body, wherein an input shaft and an intermediate shaft are arranged in the box body, the input shaft is in transmission connection with an output shaft, a sun gear is arranged on the intermediate shaft, and a first-gear clutch, a second-gear clutch, an output shaft assembly and a speed change valve for gear shifting are also arranged in the box body; the first-gear clutch and the second-gear clutch are switched through a speed change valve, and the output shaft assembly is in transmission connection; the input end cover is arranged on the box body and on the shaft side of the input shaft, the driving motor is arranged on the end cover and is in driving connection with the input shaft, and forward rotation and reverse rotation driving are carried out on the input shaft, so that gear control of the front gear and the rear gear is realized.
Preferably, the first-gear clutch comprises a first-gear friction pair, a first-gear planet carrier, a first-gear annular gear, a first-gear planet wheel and a connecting disc, wherein the first-gear planet carrier is arranged on the sun wheel, the first-gear annular gear is arranged on the periphery of the first-gear planet carrier, and the first-gear friction pair is arranged on the periphery of the first-gear annular gear; the first gear friction pair is operatively connected to the shift valve and to the second gear clutch via the connecting disc.
Preferably, the second-gear clutch comprises a second-gear pressure receiving disc, a second-gear shaft, a second-gear wheel connected with the output shaft assembly, and a second-gear friction pair for switching connection of the second-gear pressure receiving disc and the second-gear shaft, wherein the second-gear pressure receiving disc is in pressure contact connection with the connecting disc, the second-gear pressure receiving disc is rotationally connected to the second-gear shaft, the second-gear wheel is fixedly connected with the second-gear pressure receiving disc, and the second-gear friction pair is arranged between the pressure receiving disc and the second-gear shaft.
Preferably, the output shaft assembly comprises an output shaft, an output gear, a front output flange and a rear output flange, wherein the output shaft is rotationally connected to the front output flange and the rear output flange, and the output gear is arranged on the output shaft and is meshed and connected with the second gear.
Preferably, the intermediate shaft and the input shaft are provided with gear pairs in meshed connection.
Preferably, the box body is provided with a forced lubrication oil inlet, and the forced lubrication oil inlet is arranged on the side of the intermediate shaft and is communicated with the intermediate shaft, the second gear shaft and the first gear clutch.
Preferably, the intermediate shaft is provided with a first lubrication hole, and the first lubrication hole is arranged on the side edge of the gear pair.
Preferably, a second lubrication hole is formed in the intermediate shaft, and the second lubrication hole is formed in the sun gear and faces the first-gear clutch.
Preferably, the intermediate shaft is provided with a sun gear accessory, the sun gear accessory comprises a check ring and an oil baffle, the oil baffle is clung to the side of the sun gear shaft, and the check ring is pressed on the other side of the oil baffle.
Compared with the prior art, the utility model has the following beneficial effects:
1. The gear control of the front gear, the rear gear and the rear gear can be realized, the design of a torque converter assembly, a power takeoff gear, a three-shaft assembly and an overrunning clutch is omitted, the structure is simple, the volume is small, the efficiency is high, the speed ratio is adjustable, the manufacturing and maintenance cost is low, and the use is efficient and reliable;
2. the input end cover is arranged on the box body and on the shaft side of the input shaft, the driving motor is arranged on the end cover and is directly connected with the input shaft through a spline, so that the efficiency is higher, and the structure is simple and compact;
3. The novel lubricating oil way is provided, and the intermediate shaft, the bearings and the gear parts can be lubricated through the forced lubrication oil inlet.
Drawings
FIG. 1 is a schematic diagram of a structure in an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic diagram of the present utility model;
In the attached drawings, 1, a box body; 2. a driving motor; 3. an input end cap; 4. an input shaft; 5. a gear pair; 6. forced lubrication oil inlet; 7. a first lubrication hole; 8. an intermediate shaft; 9. a positioning sleeve; 10. a second lubrication hole; 11. a sun gear; 12. sun gear accessories; 121. a retainer ring; 122. an oil baffle plate; 13. a first gear clutch; 131. a first-gear friction pair; 132. a first gear planet carrier; 133. a first-gear annular gear; 134. a first-gear planetary gear; 135. a connecting disc; 14. a second gear clutch; 141. a second gear; 142. a second-gear pressure receiving plate; 143. a second-gear friction pair; 144. a second gear shaft; 15. an output shaft assembly; 151. a rear output flange; 152. an output gear; 153. an output shaft; 154. and a front output flange.
Detailed Description
The directional words such as "upper", "lower", "left", "right", and the like, used in the following embodiments are merely directions with reference to the drawings, and thus, the directional words used are intended to illustrate, not to limit, the utility model.
1-3, A novel special gearbox for an electric loader comprises a box body 1, wherein an input shaft 4 and an intermediate shaft 8 are arranged in the box body 1, the input shaft 4 is in transmission connection with an output shaft 153, a sun gear 11 is arranged on the intermediate shaft 8, and a first gear clutch 13, a second gear clutch 14, an output shaft assembly 15 and a speed change valve for gear shifting are also arranged in the box body 1; the first-gear clutch 13 and the second-gear clutch are switched through a speed change valve, and the output shaft assembly 15 is in transmission connection; an input end cover 3 is arranged on the box body 1 and on the shaft side of the input shaft 4, a driving motor 2 is arranged on the end cover, the driving motor 2 is used as an input source, torque is transmitted through a spline, the driving motor 2 is in driving connection with the input shaft 4, forward rotation and reverse rotation of the input shaft 4 are carried out, and gear control of the front gear and the rear gear is realized; the design of a torque converter assembly, a power takeoff gear, a triaxial assembly and an overrunning clutch is omitted, and the three-shaft clutch has the advantages of simple structure, small volume, high efficiency, adjustable speed ratio, low manufacturing and maintenance cost and high use efficiency and reliability.
Further, the first-gear clutch 13 includes a first-gear friction pair 131, a first-gear planet carrier 132, a first-gear ring gear 133, a first-gear planet wheel 134 and a connecting disc 135, wherein the first-gear planet carrier is arranged on the sun wheel 11, the first-gear ring gear 133 is arranged on the periphery of the first-gear planet carrier 132, and the first-gear friction pair 131 is arranged on the periphery of the first-gear ring gear 133; the first gear friction pair 131 is operatively connected to the shift valve and to the second gear clutch via a connecting disc 135.
Further, the second-gear clutch 14 includes a second-gear pressure-receiving plate 142, a second-gear shaft 144, a second-gear 141 for connecting with the output shaft assembly 15, and a second-gear friction pair 143 for switching connection between the second-gear pressure-receiving plate and the second-gear shaft 144, where the second-gear pressure-receiving plate is in pressure contact connection with the connecting disc 135, the second-gear pressure-receiving plate is rotatably connected to the second-gear shaft 144, the second-gear is fixedly connected to the second-gear pressure-receiving plate, and the second-gear friction pair is disposed between the pressure-receiving plate and the second-gear shaft 144.
Further, the output shaft assembly 15 includes an output shaft 153 and an output gear 152, a front output flange 154 and a rear output flange 151, the output shaft 153 is rotatably connected to the front output flange 154 and the rear output flange 151, and the output gear 152 is mounted on the output shaft 153 and is engaged with the second gear.
Furthermore, the intermediate shaft 8 and the input shaft 4 are provided with a gear pair 5 which is in meshed connection, the speed ratio and the wheelbase can be adjusted, the complete machine matching is facilitated, the intermediate shaft 8 is provided with a positioning sleeve 9 which can separate bearings, and the gear pair 5 and the sun gear 11 are positioned; the left side of the sun gear 11 is limited by a positioning sleeve 9, and a sun gear accessory 12 is arranged on the upper shaft side of the sun gear 11, wherein the sun gear accessory 12 comprises an oil baffle 122 and a check ring 121; the oil deflector 122 is abutted against the left side of the sun gear 11 and fixed by the retainer ring 121.
Further, a forced lubrication oil inlet 6 is arranged on the box body 1, and the forced lubrication oil inlet 6 is arranged on the shaft side of the intermediate shaft 8 and is communicated with the intermediate shaft 8, the output shaft 153 and the first-gear clutch 13; the intermediate shaft 8 is provided with a first lubrication hole 7, and the first lubrication hole 7 is arranged on the side edge of the gear pair 5; the sun gear 11 is provided with a second lubrication hole 10, and the second lubrication hole 10 is provided on the intermediate shaft 8 and faces the first gear clutch 13. The input shaft 4 and the intermediate shaft 8 are provided with first bearings at both sides of the gear pair 5, the intermediate shaft 8 at the shaft side of the first-gear planet carrier 132 is also provided with a second bearing, and the intermediate shaft 88 at the shaft side of the sun gear 11 is also provided with a third bearing; the first lubrication holes 7 are provided between the first bearings, and the second lubrication holes 10 are provided between the second bearings, so that splash lubrication can be performed when the intermediate shaft 8 rotates.
The new lubrication oil way is used for carrying out forced lubrication and splash lubrication on the input shaft 4, the intermediate shaft 8 and the bearing through a first lubrication hole 7 on the intermediate shaft 8, a second lubrication hole 10 is used for lubricating a first gear clutch 13, and an oil baffle 122 fixed on the sun gear 11 is used for controlling the splash direction of oil so as to cool and lubricate a first gear friction pair 131.
Specifically, the transmission route of the front two and the rear two is as follows:
Forward first gear: the driving motor 2 rotates positively, the input shaft 4, the intermediate shaft 8, the sun gear 11, the first-gear planetary carrier 132, the connecting disc 135, the pressure receiving disc, the second-gear 141, the output gear 152, the output shaft 153, the front output flange 154 and the rear output flange 151.
Forward second gear: the driving motor 2 rotates forward, the input shaft 4, the intermediate shaft 8, the sun gear 11, the second gear shaft 144, the second gear 141, the output gear 152, the output shaft 153, the front output flange 154 and the rear output flange 151.
Reversing the first gear: the driving motor 2 rotates reversely, the input shaft 4, the intermediate shaft 8, the sun gear 11, the first-gear planetary carrier 132, the connecting disc 135, the pressure receiving disc, the second-gear 141, the output gear 152, the output shaft 153, the front output flange 154 and the rear output flange 151.
Reversing the second gear: the drive motor 2 reverses, the input shaft 4, the intermediate shaft 8, the sun gear 11, the secondary gear shaft 144, the secondary gear 141, the output gear 152, the output shaft 153, the front output flange 154 and the rear output flange 151.
Claims (9)
1. The novel special gearbox for the electric loader comprises a box body (1), wherein an input shaft (4) and an intermediate shaft (8) are arranged in the box body (1), and the input shaft (4) is in transmission connection with an output shaft (153), and is characterized in that a sun gear (11) is arranged on the intermediate shaft (8), and a first-gear clutch (13), a second-gear clutch (14), an output shaft assembly (15) and a gear shifting valve for shifting gears are also arranged in the box body (1); the first-gear clutch (13) and the second-gear clutch are switched through a speed change valve, and the output shaft assembly (15) is in transmission connection; an input end cover (3) is arranged on the box body (1) and on the shaft side of the input shaft (4), a driving motor (2) is arranged on the end cover, the driving motor (2) is in driving connection with the input shaft (4), and forward rotation and reverse rotation of the input shaft (4) are driven, so that gear control of a front gear and a rear gear is realized.
2. The novel special gearbox for the electric loader according to claim 1, wherein the first-gear clutch (13) comprises a first-gear friction pair (131), a first-gear planet carrier (132), a first-gear annular gear (133), a first-gear planet wheel (134) and a connecting disc (135), the first-gear planet carrier is arranged on the sun wheel (11), the first-gear annular gear (133) is arranged on the periphery of the first-gear planet carrier (132), and the first-gear friction pair (131) is arranged on the periphery of the first-gear annular gear (133); a first gear friction pair (131) is operatively connected to the shift valve and to the second gear clutch via a land (135).
3. The novel special gearbox for the electric loader according to claim 2, wherein the second-gear clutch (14) comprises a second-gear pressure-receiving disc (142), a second-gear shaft (144), a second-gear (141) connected with the output shaft assembly (15), and a second-gear friction pair (143) for switching connection of the second-gear pressure-receiving disc and the second-gear shaft (144), the second-gear pressure-receiving disc is in pressure contact connection with the connecting disc (135), the second-gear pressure-receiving disc is rotatably connected to the second-gear shaft (144), the second-gear is fixedly connected with the second-gear pressure-receiving disc, and the second-gear friction pair is arranged between the pressure-receiving disc and the second-gear shaft (144).
4. A novel electric loader dedicated gearbox according to claim 3, characterized in that the output shaft assembly (15) comprises an output shaft (153) and an output gear (152), a front output flange (154) and a rear output flange (151), the output shaft (153) is rotatably connected to the front output flange (154) and the rear output flange (151), and the output gear (152) is mounted on the output shaft (153) and is in meshed connection with the second gear.
5. The novel special gearbox for the electric loader according to claim 1, wherein the intermediate shaft (8) and the input shaft (4) are provided with a gear pair (5) in meshed connection.
6. The novel special gearbox for the electric loader according to claim 1, wherein a forced lubrication oil inlet (6) is arranged on the box body (1), and the forced lubrication oil inlet (6) is arranged on the shaft side of the intermediate shaft (8) and is communicated with the intermediate shaft (8), the output shaft (153) and the first-gear clutch (13).
7. The novel special gearbox for the electric loader according to claim 5, wherein a first lubrication hole (7) is formed in the intermediate shaft (8), and the first lubrication hole (7) is formed in the side edge of the gear pair (5).
8. The novel special gearbox for the electric loader according to claim 7, wherein a second lubrication hole (10) is formed in the intermediate shaft (8), and the second lubrication hole (10) is formed in the sun gear (11) and faces the first gear clutch (13).
9. The novel special gearbox for the electric loader according to claim 1, wherein a sun gear (11) accessory is arranged on the intermediate shaft (8), the sun gear (11) accessory comprises a retainer ring (121) and an oil baffle plate (122), the oil baffle plate (122) is clung to the shaft side of the sun gear (11), and the retainer ring (121) is pressed on the other side of the oil baffle plate (122).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408173.4U CN220890956U (en) | 2023-09-05 | 2023-09-05 | Novel special gearbox for electric loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322408173.4U CN220890956U (en) | 2023-09-05 | 2023-09-05 | Novel special gearbox for electric loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220890956U true CN220890956U (en) | 2024-05-03 |
Family
ID=90837091
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322408173.4U Active CN220890956U (en) | 2023-09-05 | 2023-09-05 | Novel special gearbox for electric loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220890956U (en) |
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2023
- 2023-09-05 CN CN202322408173.4U patent/CN220890956U/en active Active
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