CN215059355U - Through type main reducer - Google Patents
Through type main reducer Download PDFInfo
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- CN215059355U CN215059355U CN202121027259.7U CN202121027259U CN215059355U CN 215059355 U CN215059355 U CN 215059355U CN 202121027259 U CN202121027259 U CN 202121027259U CN 215059355 U CN215059355 U CN 215059355U
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- transfer case
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- case body
- box body
- final drive
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Abstract
The utility model discloses a run through formula final drive and vehicle belongs to chassis transmission technical field. The through type final drive includes: wheel-side damping rings are detachably arranged on two sides of the main box body, and the main box body is fixedly connected with the frame through the two wheel-side damping rings; the transfer case body is fixedly connected with the main case body; the transfer case cover and the transfer case body deviate from the end face fixed connection of the main case body, the transfer case cover deviates from the end face of the transfer case body, a damping ring is detachably arranged on the end face of the transfer case body, and the transfer case cover is fixedly connected with the frame through the damping ring. The utility model discloses run through formula final drive and vehicle card installation are firm reliable, can bear outside violent impact.
Description
Technical Field
The utility model relates to a chassis transmission system technical field, in particular to run through formula final drive.
Background
A final reduction drive mechanism capable of changing torque and rotational speed in a transaxle. The basic function is to increase the torque from the transmission or universal drive, while reducing the rotational speed and changing the direction of torque transmission.
In the design process of a chassis of a certain series of off-road vehicles, the working conditions of the vehicles are special, if a gun rack is arranged on the vehicles, a main reducer bears severe impact. However, in the conventional technique, the main reducer is not firmly mounted, and the main reducer cannot bear a severe external impact, so that the main reducer falls off.
SUMMERY OF THE UTILITY MODEL
The utility model provides a run through formula final drive unit has solved or has partially solved prior art in the final drive unit can't bear outside violent impact, lead to the technical problem that final drive unit drops.
In order to solve the technical problem, the utility model provides a run-through main reducer, with frame fixed connection, run-through main reducer includes: the wheel-side damping rings are detachably arranged on two sides of the main box body, and the main box body is fixedly connected with the frame through the two wheel-side damping rings; the transfer case body is fixedly connected with the main case body; the transfer case cover deviates from the end face fixed connection of the main case body, the transfer case cover deviates from the end face of the transfer case body, a damping ring is detachably arranged on the end face of the transfer case body, and the transfer case cover is fixedly connected with the frame through the damping ring.
Furthermore, an oil collecting tank is arranged in the main tank body; a plurality of oil passages are formed in the transfer case body, an oil pool is arranged in the transfer case body, oil inlets of the oil passages are communicated with the oil collecting tank, and oil outlets of the oil passages are communicated with oil inlets of the oil pool; a first oil return groove is formed in the transfer case body, and an oil inlet of the first oil return groove is communicated with an oil outlet of the oil pool; and a second oil return groove is formed in the main box body, and an oil inlet of the second oil return groove is communicated with an oil outlet of the first oil return groove.
Furthermore, a plurality of first reinforcing ribs are fixedly arranged on the outer wall of the main box body; a plurality of second reinforcing ribs are fixedly arranged on the outer wall of the transfer case body; and a plurality of third reinforcing ribs are fixedly arranged on the transfer case cover.
Further, the through type final drive further includes: a transmission device; the transmission device is arranged in the transfer case body and the main case body.
Further, the transmission device includes: the inter-axle differential is arranged in the transfer case; the driving gear is arranged in the main box body and is connected with a first output end of the inter-axle differential; the driven gear is arranged in the main box body and is meshed with the driving gear; the driving bevel gear is arranged in the main box body and is fixedly connected with the driven gear; the driven bevel gear is arranged in the main box body and meshed with the driving bevel gear; and the inter-wheel differential is arranged in the main box body, and the input end of the inter-wheel differential is connected with the driven bevel gear.
Further, the speed ratio of the driving bevel gear to the driven bevel gear is 1.8-2.5; and a connecting line of the movable bevel gear and the driven bevel gear is within 15 degrees of a plumb line.
Further, the transmission device further includes: a power transmission mechanism; the power transmission mechanism includes: an input flange, a through shaft and an output flange; the input flange is connected with the inter-axle differential; the first end of the through shaft is connected with the second output end of the interaxle differential, and the second end of the through shaft penetrates through the transfer case body and the main case body to be fixedly connected with the output flange.
Further, the transmission device further includes: a wheel flange; and the wheel flange is connected with the output end of the inter-wheel differential.
Further, the transmission device further includes: a locking device; the locking device includes: the differential lock comprises a differential lock cylinder, a differential lock and an insert; the fixed end of the differential lock cylinder is fixedly arranged on the transfer case cover; the differential lock is arranged in the transfer case body, and the action end of the differential lock cylinder penetrates through the transfer case cover to be connected with the differential lock; the insert is fixedly connected with the differential lock, and the insert is arranged in a locking hole of the inter-axle differential in a pluggable mode.
The application also provides a vehicle, which comprises the through type main speed reducer.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the two sides of the main box body are respectively provided with the wheel-side damping rings in a detachable way, the main box body is fixedly connected with the vehicle frame through the two wheel-side damping rings, the transfer case body is fixedly connected with the main box body, and the transfer case cover is fixedly connected with the end surface of the transfer case body deviating from the main box body, the transfer case body and the transfer case cover jointly realize a closed space to provide sealing and supporting for internal gears, differentials and the like, because the damping rings are detachably arranged on the end surface of the transfer case cover deviating from the transfer case body, and the transfer case cover is fixedly connected with the vehicle frame through the damping rings, the main box body is fixedly connected with the vehicle frame through the two wheel-side damping rings, the transfer case cover is fixedly connected with the vehicle frame through the damping rings, the three-point type installation is realized, the three-point support can inhibit the rotation with any degree of freedom, and the main box body, the transfer case body and the transfer case cover are stably installed on the vehicle frame, the shock absorbing rings and the two wheel-side shock absorbing rings effectively avoid impact on the main box body, the transfer case body and the transfer case cover, so that the main box body, the transfer case body and the transfer case cover can bear severe external impact.
Drawings
Fig. 1 is a schematic structural diagram of a through type main reducer according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a main case of the through type final drive of FIG. 1;
FIG. 3 is a schematic illustration of the transfer case of the through-penetration final drive of FIG. 1;
fig. 4 is a schematic diagram of the transmission of the through final drive of fig. 1.
Detailed Description
Referring to fig. 1, the embodiment of the utility model provides a run-through main reducer, with frame fixed connection, run-through main reducer includes:
both sides of the main box body 1 are detachably provided with wheel-side damping rings 2, and the main box body 1 is fixedly connected with the frame through the two wheel-side damping rings 2.
The transfer case body 3 is fixedly connected with the main case body 1.
Transfer case lid 4 deviates from the terminal surface fixed connection of main tank 1 with transfer case 3, and transfer case lid 4 is provided with damping ring 5 on deviating from the terminal surface of transfer case 3 detachablely, and transfer case lid 4 passes through damping ring 5 and frame fixed connection.
In the embodiment of the application, the wheel-side damping rings 2 are detachably arranged on both sides of the main box body 1, the main box body 1 is fixedly connected with a vehicle frame through the two wheel-side damping rings 2, the transfer case body 3 is fixedly connected with the main box body 1, and the transfer case cover 4 is fixedly connected with the end face of the transfer case body 3 departing from the main box body 1, so that the main box body 1, the transfer case body 3 and the transfer case cover 4 jointly realize a closed space to provide sealing and supporting for internal gears, differentials and the like, because the damping rings 5 are detachably arranged on the end face of the transfer case cover 4 departing from the transfer case body 3, the transfer case cover 4 is fixedly connected with the vehicle frame through the damping rings 5, so that the main box body 1 is fixedly connected with the vehicle frame through the two wheel-side damping rings 2, the case cover 4 is fixedly connected with the vehicle frame through the damping rings 5, three-point installation is realized, and the three-point support can restrain the rotation of any degree of freedom, the main box body 1, the transfer case body 3 and the transfer case cover 4 are stably installed on the frame, firm and reliable installation is guaranteed, impact on the main box body 1, the transfer case body 3 and the transfer case cover 4 is effectively avoided through the damping rings and the two wheel-side damping rings, and the main box body 1, the transfer case body 3 and the transfer case cover 4 can bear severe external impact.
The main box body 1, the transfer case body 3 and the transfer case cover 4 are all made of high-strength aluminum alloy, steel sleeves are arranged at the bearing mounting positions of the main box body 1, the transfer case body 3 and the transfer case cover 4, and steel wire sleeves are additionally cast at the frequently-detached oil plug positions, so that the weight of the shell is reduced by more than 50%.
In this embodiment, both sides of the main box body 1 can be provided with the wheel-side damping rings 2 through bolts, so that the wheel-side damping rings 2 can be conveniently disassembled and assembled when the wheel-side damping rings 2 fail. Accessible bolt sets up damping ring 5 on transfer case lid 4 deviates from transfer case 3's the terminal surface, when damping ring 5 became invalid, the dismouting of the damping ring 5 of being convenient for.
Referring to fig. 2-3, in particular, an oil collecting tank 1-1 is provided in the main tank 1.
The transfer case body 3 is internally provided with a plurality of oil passages 3-1, the transfer case body 3 is internally provided with an oil pool 3-2, oil inlets of the oil passages 3-1 are communicated with the oil collecting tank 1-1, and oil outlets of the oil passages 3-1 are communicated with an oil inlet of the oil pool 3-2.
A first oil return groove 3-3 is formed in the transfer case body 3, and an oil inlet of the first oil return groove 3-3 is communicated with an oil outlet of the oil pool 3-2.
A second oil return groove 1-2 is arranged in the main box body 1, and an oil inlet of the second oil return groove 1-2 is communicated with an oil outlet of the first oil return groove 3-3.
The mechanism can throw oil through the gear and splash for lubrication in the main box body 1, splashed lubricating oil enters the oil collecting tank 1-1, then enters the oil pool 3-2 through the oil duct 3-1 to lubricate a bearing position in the movable box body 1, then enters the first oil return groove 3-3 through the oil pool 3-2, the first oil return groove 3-3 conveys the lubricating oil to the second oil return groove 1-2, the lubricating oil can effectively flow back to form a complete oil path, the lubricating oil smoothly flows to guarantee the lubrication of an internal gear bearing, heat is taken away in time, and the normal operation of an internal transmission mechanism is guaranteed.
Specifically, a plurality of first reinforcing ribs 6 are fixedly arranged on the outer wall of the main box body 1, the structural strength of the main box body 1 can be enhanced, the heat dissipation area is increased, heat dissipation is facilitated, and the temperature of the main speed reducer can be kept within a reasonable range when the main speed reducer runs for a long time.
The outer wall of the transfer case body 3 is fixedly provided with a plurality of second reinforcing ribs 7, so that the structural strength of the transfer case body 3 can be enhanced, the heat dissipation area is increased, the heat dissipation is facilitated, and the temperature of the main speed reducer can be kept within a reasonable range when the transfer case body operates for a long time.
The transfer case cover 4 is fixedly provided with a plurality of third reinforcing ribs 8, so that the structural strength of the transfer case cover 4 can be enhanced, the heat dissipation area is increased, the heat dissipation is facilitated, and the temperature of the main speed reducer can be kept within a reasonable range when the transfer case cover is operated for a long time.
Referring to fig. 4, the through type final drive further includes: and a transmission device.
The transmission device is arranged in the transfer case body and the main case body 1.
The transmission device comprises: an inter-axle differential 9, a driving gear 10, a driven gear 11, a driving bevel gear 12, a driven bevel gear 13, and an inter-wheel differential 14.
An inter-axle differential 9 is arranged in the transfer case 3.
The driving gear 10 is arranged in the main box body 1, and the driving gear 10 is connected with a first output end of the interaxle differential 9.
The driven gear 11 is arranged in the main box body 1, and the driven gear 11 is meshed with the driving gear 10.
The driving bevel gear 12 is arranged in the main box body 1, and the driving bevel gear 12 is fixedly connected with the driven gear 11. In the present embodiment, the drive bevel gear 12 may be fixedly connected to the driven gear 11 by a spline.
A driven bevel gear 13 is provided in the main housing 1, and the driven bevel gear 13 is engaged with the driving bevel gear 12.
An inter-wheel differential 14 is arranged in the main box body 1, and the input end of the inter-wheel differential 14 is connected with the driven bevel gear 13.
The first output end of the inter-axle differential 9 transmits power to the driving gear 10 through the rotating shaft, the driving gear 10 drives the driven gear 11 to rotate, the driven gear 11 drives the driving bevel gear 12 to rotate, the driving bevel gear 12 drives the driven bevel gear 13 to rotate, and the driven bevel gear 13 transmits power to the inter-wheel differential 14 to realize power transmission.
The speed ratio of the driving bevel gear to the driven bevel gear is 1.8-2.5, the connecting line of the driving bevel gear and the driven bevel gear is within 15 degrees of a plumb line, so that the basic size of the main box body 1 in two directions is distributed, and the main box body 1, the transfer box body 3 and the transfer box cover 4 are reasonably arranged, so that the span size and the weight of the main speed reducer are reduced as far as possible on the basis of meeting the capacity.
Specifically, the transmission device further includes: a power transmission mechanism.
The power transmission mechanism includes: an input flange 15, a through shaft 16 and an output flange 17.
The input flange 15 is connected to the inter-axle differential 9.
The first end of the through shaft 16 is connected with the second output end of the inter-axle differential 8, and the second end of the through shaft 16 penetrates through the transfer case 3 and the main case 1 to be fixedly connected with the output flange 17.
Wherein, the input flange 15 transmits power to the interaxle differential 9, the second output end of the interaxle differential 8 transmits power to the through shaft 16, the through shaft 16 transmits power to the output flange 17, and the output flange 17 transmits power to the next axle.
The transmission further includes: a wheel flange 18.
The wheel flange 18 is connected to the output of the inter-wheel differential 14.
The output end of the inter-wheel differential 14 transmits power to the wheel flange 18, and the wheel flange 18 brings about wheel motion.
The transmission further includes: and a locking device.
The locking device includes: a differential lock cylinder 19, a differential lock 20 and an insert.
The fixed end of the differential lock cylinder 19 is fixedly arranged on the transfer case cover 4. In the present embodiment, the fixed end of the differential lock cylinder 19 can be fixed on the transfer case cover 4 by a bolt, so as to facilitate the disassembly and assembly.
The differential lock 20 is arranged in the transfer case body, and the action end of the differential lock cylinder 19 penetrates through the transfer case cover 4 to be connected with the differential lock 19.
The insert is fixedly connected to the differential lock 20 and is arranged in a pluggable manner in the locking bore of the inter-axle differential 9. In this embodiment, the insert may be a plug.
When the inter-axle differential 9 is to be locked, the differential lock cylinder 19 is started, the action end of the differential lock cylinder 19 drives the differential lock 20 to extend, and the differential lock 20 drives the insert to be inserted into the locking hole of the inter-axle differential 9 to lock the inter-axle differential 9. When the inter-axle differential 9 is to be unlocked, the differential lock cylinder 19 is started, the action end of the differential lock cylinder 19 drives the differential lock 20 to retract, and the differential lock 20 drives the insert to be inserted into and pulled out of the locking hole of the inter-axle differential 9, so that the inter-axle differential 9 is unlocked.
The utility model discloses still provide a vehicle, this vehicle has adopted run through formula final drive, this run through formula final drive's concrete structure refers to above-mentioned embodiment, because this run through formula final drive has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a run-through final drive, with frame fixed connection, its characterized in that, run-through final drive includes:
the wheel-side damping rings are detachably arranged on two sides of the main box body, and the main box body is fixedly connected with the frame through the two wheel-side damping rings;
the transfer case body is fixedly connected with the main case body;
the transfer case cover deviates from the end face fixed connection of the main case body, the transfer case cover deviates from the end face of the transfer case body, a damping ring is detachably arranged on the end face of the transfer case body, and the transfer case cover is fixedly connected with the frame through the damping ring.
2. A through-going final drive according to claim 1, characterized in that:
an oil collecting tank is arranged in the main tank body;
a plurality of oil passages are formed in the transfer case body, an oil pool is arranged in the transfer case body, oil inlets of the oil passages are communicated with the oil collecting tank, and oil outlets of the oil passages are communicated with oil inlets of the oil pool;
a first oil return groove is formed in the transfer case body, and an oil inlet of the first oil return groove is communicated with an oil outlet of the oil pool;
and a second oil return groove is formed in the main box body, and an oil inlet of the second oil return groove is communicated with an oil outlet of the first oil return groove.
3. A through-going final drive according to claim 1, characterized in that:
a plurality of first reinforcing ribs are fixedly arranged on the outer wall of the main box body;
a plurality of second reinforcing ribs are fixedly arranged on the outer wall of the transfer case body;
and a plurality of third reinforcing ribs are fixedly arranged on the transfer case cover.
4. A through-penetration final drive according to claim 1, further comprising: a transmission device;
the transmission device is arranged in the transfer case body and the main case body.
5. A through-going final drive according to claim 4, characterized in that said transmission means comprise:
the inter-axle differential is arranged in the transfer case;
the driving gear is arranged in the main box body and is connected with a first output end of the inter-axle differential;
the driven gear is arranged in the main box body and is meshed with the driving gear;
the driving bevel gear is arranged in the main box body and is fixedly connected with the driven gear;
the driven bevel gear is arranged in the main box body and meshed with the driving bevel gear;
and the inter-wheel differential is arranged in the main box body, and the input end of the inter-wheel differential is connected with the driven bevel gear.
6. A through-going final drive according to claim 4, characterized in that:
the speed ratio of the driving bevel gear to the driven bevel gear is 1.8-2.5;
and a connecting line of the movable bevel gear and the driven bevel gear is within 15 degrees of a plumb line.
7. A through-going final drive according to claim 4, characterized in that the transmission further comprises: a power transmission mechanism;
the power transmission mechanism includes: an input flange, a through shaft and an output flange;
the input flange is connected with the inter-axle differential;
the first end of the through shaft is connected with the second output end of the interaxle differential, and the second end of the through shaft penetrates through the transfer case body and the main case body to be fixedly connected with the output flange.
8. A through-going final drive according to claim 4, characterized in that the transmission further comprises: a wheel flange;
and the wheel flange is connected with the output end of the inter-wheel differential.
9. A through-going final drive according to claim 4, characterized in that the transmission further comprises: a locking device;
the locking device includes: the differential lock comprises a differential lock cylinder, a differential lock and an insert;
the fixed end of the differential lock cylinder is fixedly arranged on the transfer case cover;
the differential lock is arranged in the transfer case body, and the action end of the differential lock cylinder penetrates through the transfer case cover to be connected with the differential lock;
the insert is fixedly connected with the differential lock, and the insert is arranged in a locking hole of the inter-axle differential in a pluggable mode.
10. A vehicle comprising a through-going final drive according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027259.7U CN215059355U (en) | 2021-05-12 | 2021-05-12 | Through type main reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121027259.7U CN215059355U (en) | 2021-05-12 | 2021-05-12 | Through type main reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215059355U true CN215059355U (en) | 2021-12-07 |
Family
ID=79217094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121027259.7U Active CN215059355U (en) | 2021-05-12 | 2021-05-12 | Through type main reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215059355U (en) |
-
2021
- 2021-05-12 CN CN202121027259.7U patent/CN215059355U/en active Active
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