CN210799912U - Novel four-wheel drive gearbox - Google Patents
Novel four-wheel drive gearbox Download PDFInfo
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- CN210799912U CN210799912U CN201921104819.7U CN201921104819U CN210799912U CN 210799912 U CN210799912 U CN 210799912U CN 201921104819 U CN201921104819 U CN 201921104819U CN 210799912 U CN210799912 U CN 210799912U
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Abstract
The utility model relates to a novel four-wheel drive gearbox, be equipped with high-grade gear on the gearbox output shaft of gearbox body, be connected with the back output shaft on the gearbox output shaft, be equipped with low gear on the back output shaft, be equipped with the joint tooth cover of shifting between high-grade gear and the low gear, high-grade gear and low gear all with a low gear initiative disjunctor gear meshing, low gear initiative disjunctor gear cover is established on a first driven shaft, still include front axle drive case, front axle drive case includes the front axle drive shaft, the overhead cover of front axle drive shaft is equipped with front axle drive gear, still be equipped with front axle joint tooth cover in the front axle drive shaft, front axle drive gear and a gap bridge gear meshing, gap bridge gear cover is established on a second driven shaft, front axle drive case still includes front axle drive case casing, front axle drive case casing is the output of slope form and detachable connection at the gearbox body. The utility model discloses compact structure, the repacking is with low costs, need not to dismantle, hoist and mount gearbox, reduces labour's four-wheel drive gearbox.
Description
Technical Field
The utility model relates to a gearbox field, in particular to four-wheel drive gearbox.
Background
Four-wheel drive means that the vehicle keeps a four-wheel drive mode all the time in the whole running process, the output torque of an engine is distributed to a front axle and a rear axle in a fixed proportion, and the automobile is combined with a transfer case through a gearbox when the four-wheel drive state is achieved. Along with the development of science and technology, people also have higher and higher requirements on vehicles, the single two-wheel drive vehicle can not meet the requirements of people, at present, when the two-wheel drive vehicle is changed into the four-wheel drive vehicle, the original two-wheel drive gearbox needs to be dismantled and hoisted out, then the four-wheel drive gearbox formed by additionally installing a transfer case on the gearbox is hoisted, the operation is complex, the operation is inconvenient because of the large weight and heavy weight of the two-wheel drive gearbox and the four-wheel drive gearbox, the dismantling and hoisting need large labor force, and the operation is inconvenient, and the existing four-wheel drive gearbox is not compact enough in structure.
Disclosure of Invention
For solving the problem that exists among the background art, the utility model provides a compact structure, the repacking cost is low, need not to dismantle, hoist and mount gearbox, reduces labour's four-wheel drive gearbox.
The technical scheme of the utility model is that: a novel four-wheel drive gearbox comprises a gearbox body, wherein the gearbox body comprises a gearbox output shaft, a high-grade gear is arranged on the gearbox output shaft, the high-grade gear is connected with the gearbox output shaft through a spline, a rear output shaft is connected onto the gearbox output shaft, a low-grade gear is arranged on the rear output shaft, a gear shifting joint gear sleeve is arranged between the high-grade gear and the low-grade gear, the gear shifting joint gear sleeve is connected with the high-grade gear and the low-grade gear, the high-grade gear is meshed with a large gear of a low-grade driving conjoined gear, the low-grade gear is meshed with a small gear of the low-grade driving conjoined gear, the low-grade driving conjoined gear sleeve is arranged on a first driven shaft,
the front axle driving box comprises a front axle driving shaft, a front axle driving gear is sleeved on the front axle driving shaft in a hollow mode, a front axle connecting gear sleeve is further arranged on the front axle driving shaft and connected with the front axle driving gear, the front axle driving gear is meshed with a gap axle gear, the gap axle gear is sleeved on a second driven shaft, a rear output shaft is connected with a rear axle, the front axle driving shaft is connected with the front axle,
the front axle driving case further comprises a front axle driving case shell, and the front axle driving case shell is inclined and detachably connected to the output end of the gear box body.
An input port is arranged on one side of the front axle driving box shell close to the gear box body, a lug a is arranged around the edge of the input port in a circle, a plurality of threaded holes a are formed in the lug a,
the output end of the gearbox body is provided with an output port matched with the input port, a lug b is arranged around the edge of the output port, the lug b is provided with a plurality of threaded holes b, and the lug a and the lug b are fixedly connected through bolts.
Still be equipped with the axle mounting hole of four slope arrangements on the front axle driving case casing, four the axle mounting hole corresponds back output shaft, first driven shaft, second driven shaft and front axle drive shaft respectively, the output of back output shaft is by this internal extension of gearbox to the front axle driving case casing in, fixes on the axle mounting hole through the bearing, first driven shaft, second driven shaft and front axle drive shaft all locate in the front axle driving case casing and install on the axle mounting hole that corresponds.
Be the slash in the front axle driving case and arrange in proper order from top to bottom and be provided with first driven shaft, back output shaft, second driven shaft and front axle drive shaft, first driven shaft, back output shaft, second driven shaft and front axle drive shaft all are parallel to each other.
The upper side edge of the front axle driving box shell is provided with an access hole, and the access hole is covered by a sealing cover.
The gear shifting engagement sleeve is connected with the gear shifting driving device.
The front axle engaging gear sleeve is connected with the clutch driving device.
The utility model discloses following beneficial effect has: the gear shifting engagement gear sleeve slides along the rear output shaft and is engaged with the high-grade gear, and the power output by the gearbox body is directly transmitted to the rear axle by the rear output shaft, and the rear axle drives the high-grade state; the gear shifting joint gear sleeve slides along the rear output shaft, leaves the high-grade gear and is jointed with the low-grade gear, the high-grade gear and the low-grade gear are both meshed with the low-grade driving conjoined gear, the power output by the gearbox body is transmitted to the low-grade driving conjoined gear through the high-grade gear and then to the low-grade gear, and then the low-speed power is transmitted to the rear axle through the rear output shaft, and at the moment, the rear axle drives the low-grade state; the front axle joint gear sleeve drives a front axle driving gear to slide along a front axle driving shaft, the front axle driving gear is meshed with a gap axle gear, the low-gear is respectively meshed with the low-gear driving conjoined gear and the gap axle gear, the power output by the gearbox body is transmitted to the low-gear driving conjoined gear through the high-gear, then transmitted to the low-gear and transmitted to the front axle driving gear through the gap axle gear, and at the moment, the rear axle and the front axle simultaneously drive the low-gear state;
the four-wheel drive gearbox of the utility model can realize two-wheel drive of rear axle drive and four-wheel drive of rear axle and front axle simultaneous drive, the power output rear output shaft of the gearbox body extends out of the gearbox body and is directly connected with the rear axle after reaching the front axle drive box, the first driven shaft, the rear output shaft, the second driven shaft and the front axle drive shaft are arranged in an inclined shape and are parallel to each other, the gearbox body and the front axle drive box are connected into a whole through bolts, and the whole four-wheel drive gearbox has compact structure;
when needing to change two gearboxes that drive of original rear axle into four-wheel drive gearbox, need not to change original two gearboxes that drive, only need two output cover plate that drive the gearbox remove, then install the second driven shaft of having installed the intermediate gear again and installed front axle joint tooth cover and front axle drive gear's front axle drive shaft, install respectively on the axle mounting hole that corresponds, use the bolt to connect lug an of front axle drive case and the lug b of gearbox body fixed at last, become a four-wheel drive gearbox, promptly four-wheel drive gearbox, equipment easy operation need not to change original two gearboxes that drive, reduce cost need not to dismantle, hoist and mount the gearbox, reduce the labour, improve repacking efficiency.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a simplified internal structure of the present invention;
fig. 3 is a split view of the transmission body and the front axle drive box of the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
the technical scheme of the utility model is that: a novel four-wheel drive gearbox comprises a gearbox body 1, wherein the gearbox body 1 comprises a gearbox output shaft 111, a high-grade gear 3 is arranged on the gearbox output shaft 111, the high-grade gear 3 is connected with the gearbox output shaft 111 through a spline, a rear output shaft 2 is connected onto the gearbox output shaft 111, a low-grade gear 4 is arranged on the rear output shaft 2, the low-grade gear 4 is sleeved on the rear output shaft 2 in an empty manner, a gear shifting joint gear sleeve 5 is arranged between the high-grade gear 3 and the low-grade gear 4, the gear shifting joint gear sleeve 5 slides along the rear output shaft 2 to be connected with the high-grade gear 3 or the low-grade gear 4, the high-grade gear 3 is meshed with a large gear of a low-grade driving conjoined gear 6, the low-grade gear 4 is meshed with a small gear of the low-grade driving conjoined gear 6, the low-grade driving conjoined gear,
the front axle driving box 9 comprises a front axle driving shaft 10, a front axle driving gear 11 is sleeved on the front axle driving shaft 10 in a hollow mode, a front axle connecting gear sleeve 12 is further arranged on the front axle driving shaft 10, the front axle connecting gear sleeve 12 slides along the front axle driving shaft 10 to be connected with the front axle driving gear 11, the front axle driving gear 11 is meshed with a gap axle gear 13, the gap axle gear 13 is sleeved on a second driven shaft 14, the rear output shaft 2 is connected with a rear axle, the front axle driving shaft 10 is connected with the front axle,
front axle drive case 9 still includes front axle drive case casing 20, front axle drive case casing 20 is the slope form and detachable connection at the output of gearbox body 1.
An input port 21 is arranged on one side, close to the gearbox body 1, of the front axle driving box shell 20, a lug a22 is arranged around the edge of the input port 21, a plurality of threaded holes a23 are formed in the lug a22, an output port 24 matched with the input port 21 is arranged at the output end of the gearbox body 1, a lug b25 is arranged around the edge of the output port 24, a plurality of threaded holes b23 are formed in the lug b25, a sealing ring 30 is arranged between the lug a22 and the lug b25, and the lug a22 and the lug b25 are fixed through bolts in a connecting mode.
Still be equipped with four shaft mounting holes 26 that the slope was arranged on the front axle driving case casing 20, four shaft mounting holes 26 correspond back output shaft 2, first driven shaft 8, second driven shaft 14 and front axle drive shaft 10 respectively, the output of back output shaft 2 is fixed on shaft mounting holes 26 by bearing in extending to front axle driving case casing 20 in the gearbox body 1, first driven shaft 8, second driven shaft 14 and front axle drive shaft 10 all locate in front axle driving case casing 20 and install on the shaft mounting holes 26 that correspond.
It arranges first driven shaft 8, back output shaft 2, second driven shaft 14 and front axle drive shaft 10 from top to bottom in proper order to be the slash in front axle drive case 9, first driven shaft 8, back output shaft 2, second driven shaft 14 and front axle drive shaft 10 all are parallel to each other.
The upper side edge of the front axle driving box shell 20 is provided with an access hole 27, and the access hole 27 is covered by a sealing cover.
The shift engagement sleeve 5 is connected to the shift drive.
The front axle engagement sleeve 12 is connected to a clutch drive.
The utility model discloses following beneficial effect has: the gear shifting engagement gear sleeve 5 slides along the rear output shaft 2 and is engaged with the high-gear 3, and the power output by the gearbox body 1 is directly transmitted to a rear axle by the rear output shaft 2, and the rear axle drives the high-gear state at the moment; the gear shifting joint gear sleeve 5 slides along the rear output shaft 2, leaves the high-gear 3 and is jointed with the low-gear 4, the high-gear 3 and the low-gear 4 are both meshed with the low-gear driving conjoined gear 6, the power output by the gearbox body 1 is transmitted to the low-gear driving conjoined gear 6 through the high-gear 3 and then to the low-gear 4, and then the low-speed power is transmitted to a rear axle through the rear output shaft 2, and at the moment, the rear axle drives the low-gear state; the front axle joint gear sleeve 12 drives a front axle driving gear 11 to slide along a front axle driving shaft 10, the front axle driving gear 11 is meshed with a carrier gear 13, the low-gear 4 is respectively meshed with a low-gear driving conjoined gear 6 and the carrier gear 13, power output by the gearbox body 1 is transmitted to the low-gear driving conjoined gear 6 through a high-gear 3, then transmitted to the low-gear 4 and transmitted to the front axle driving gear 11 through the carrier gear 13, and at the moment, the rear axle and the front axle simultaneously drive a low-gear state;
the four-wheel drive gearbox of the utility model can realize two-wheel drive of rear axle drive and four-wheel drive of rear axle and front axle simultaneous drive, the power output rear output shaft 2 of the gearbox body 1 extends out of the gearbox body 1 to the front axle drive box 9 and then is directly connected with the rear axle, the first driven shaft 4, the rear output shaft 2, the second driven shaft 14 and the front axle drive shaft 10 are arranged in an inclined shape and are parallel to each other, the gearbox body 1 and the front axle drive box 9 are connected into a whole through bolts, and the whole four-wheel drive gearbox has a compact structure;
when needing to change two gearboxes that drive of original rear axle into four-wheel drive gearbox, need not to change two original gearboxes that drive, only need two output cover plate that drive the gearbox to remove, then install second driven shaft 14 of having installed gap bridge gear 13 again and the front axle drive shaft 10 of having installed front axle joint tooth cover 12 and front axle drive gear 11, install respectively on the axle mounting hole 26 that corresponds, it is fixed with lug a22 of front axle drive case 9 and the lug b25 of gearbox body 1 to use the bolt at last to be connected, become a four-wheel drive gearbox, promptly four-wheel drive gearbox, equipment easy operation need not to change two original gearboxes that drive, reduce cost need not to dismantle, hoist and mount the gearbox, reduces the labour, improves repacking efficiency.
Claims (7)
1. A novel four-wheel drive gearbox comprises a gearbox body, wherein the gearbox body comprises a gearbox output shaft, and is characterized in that a high-grade gear is arranged on the gearbox output shaft and connected with the gearbox output shaft through a spline, a rear output shaft is connected with the gearbox output shaft, a low-grade gear is arranged on the rear output shaft in an empty sleeve manner, a gear shifting joint gear sleeve is arranged between the high-grade gear and the low-grade gear and connected with the high-grade gear and the low-grade gear, the high-grade gear is meshed with a large gear of a low-grade driving conjoined gear, the low-grade gear is meshed with a small gear of the low-grade driving conjoined gear, and the low-grade driving conjoined gear is sleeved on a first driven shaft,
the front axle driving box comprises a front axle driving shaft, a front axle driving gear is sleeved on the front axle driving shaft in a hollow mode, a front axle connecting gear sleeve is further arranged on the front axle driving shaft and connected with the front axle driving gear, the front axle driving gear is meshed with a gap axle gear, the gap axle gear is sleeved on a second driven shaft, a rear output shaft is connected with a rear axle, the front axle driving shaft is connected with the front axle,
the front axle driving case further comprises a front axle driving case shell, and the front axle driving case shell is inclined and detachably connected to the output end of the gear box body.
2. The novel four-wheel drive gearbox as claimed in claim 1, wherein an input port is arranged on one side of the front axle gearbox shell close to the gearbox body, a lug a is arranged around the edge of the input port, a plurality of threaded holes a are formed in the lug a,
the output end of the gearbox body is provided with an output port matched with the input port, a lug b is arranged around the edge of the output port, the lug b is provided with a plurality of threaded holes b, and the lug a and the lug b are fixedly connected through bolts.
3. The novel four-wheel drive gearbox as claimed in claim 2, wherein four obliquely arranged shaft mounting holes are further formed in the front axle drive box shell, the four shaft mounting holes correspond to the rear output shaft, the first driven shaft, the second driven shaft and the front axle drive shaft respectively, the output end of the rear output shaft extends from the inside of the gearbox body into the front axle drive box shell and is fixed on the shaft mounting holes through bearings, and the first driven shaft, the second driven shaft and the front axle drive shaft are all arranged in the front axle drive box shell and are mounted on the corresponding shaft mounting holes.
4. The novel four-wheel drive gearbox as claimed in claim 3, wherein a first driven shaft, a rear output shaft, a second driven shaft and a front axle driving shaft are sequentially arranged in the front axle driving box in a diagonal manner from top to bottom, and the first driven shaft, the rear output shaft, the second driven shaft and the front axle driving shaft are all parallel to each other.
5. The novel four-wheel drive gearbox as claimed in claim 3, wherein an access opening is formed in the upper side edge of the front axle gearbox shell, and the access opening is covered by a sealing cover.
6. A new four-wheel drive gearbox according to claim 1 or 3, characterised in that said shift engagement sleeve is connected to a shift drive.
7. A new four-wheel drive gearbox according to claim 1 or 3, characterised in that said front axle engagement sleeve is connected to a clutch drive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104819.7U CN210799912U (en) | 2019-07-05 | 2019-07-05 | Novel four-wheel drive gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921104819.7U CN210799912U (en) | 2019-07-05 | 2019-07-05 | Novel four-wheel drive gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210799912U true CN210799912U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921104819.7U Active CN210799912U (en) | 2019-07-05 | 2019-07-05 | Novel four-wheel drive gearbox |
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| CN (1) | CN210799912U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248803A (en) * | 2020-09-11 | 2021-01-22 | 中地装(北京)科学技术研究院有限公司 | Full-hydraulic geological exploration drill carriage |
-
2019
- 2019-07-05 CN CN201921104819.7U patent/CN210799912U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112248803A (en) * | 2020-09-11 | 2021-01-22 | 中地装(北京)科学技术研究院有限公司 | Full-hydraulic geological exploration drill carriage |
| CN112248803B (en) * | 2020-09-11 | 2021-11-12 | 中地装(北京)科学技术研究院有限公司 | Full-hydraulic geological exploration drill carriage |
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