CN209309269U - A kind of combined type wheel bridge gearbox - Google Patents
A kind of combined type wheel bridge gearbox Download PDFInfo
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- CN209309269U CN209309269U CN201822009937.1U CN201822009937U CN209309269U CN 209309269 U CN209309269 U CN 209309269U CN 201822009937 U CN201822009937 U CN 201822009937U CN 209309269 U CN209309269 U CN 209309269U
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Abstract
The utility model relates to system of vehicle transmission technical fields, especially a kind of combined type wheel bridge gearbox, including power input device, the internal drive system being mounted on inside gear box casing, differential system, power output system and braking system, the power input device is mounted on the front end of gear box casing and is sequentially connected with internal drive system, the internal drive system and differential system are sequentially connected, the differential system and braking system are sequentially connected, the braking system and power output system are sequentially connected, the power output system and vehicle wheel disc are sequentially connected, the utility model can solve transferring element in the prior art leads to the problem that transmission loss is big and drive system structure is too fat to move more.
Description
Technical field
The utility model relates to system of vehicle transmission technical field, specific field is a kind of combined type wheel bridge gearbox.
Background technique
It for system of vehicle transmission, is typically transferred power in gearbox by power output device, is carried out by gearbox
After adjustment, then the revolving speed of needs, power are inputted by speed changing box power output shaft and driven in wheel carrier, then relied on inside driving wheel carrier
Transmission system, range of motion, such system of vehicle transmission mode such as common advance, retrogressing and turning for realizing vehicle exist
More transferring element, transferring element will lead to that transmission loss is larger and drive system structure is too fat to move, be unfavorable for space
Reasonable utilization.
Utility model content
The purpose of this utility model is to provide a kind of combined type wheel bridge gearboxes, to solve transferring element in the prior art
Lead to the problem that transmission loss is big and drive system structure is too fat to move more.
To achieve the above object, the utility model provides the following technical solutions: a kind of combined type wheel bridge gearbox, including dynamic
Power input unit, internal drive system, differential system, power output system and the braking system being mounted on inside gear box casing
System, the power input device are mounted on the front end of gear box casing and are sequentially connected with internal drive system, the internal biography
Dynamic system and differential system are sequentially connected, and the differential system and braking system are sequentially connected, and the braking system and power are defeated
Drive system connects out, and the power output system and vehicle wheel disc are sequentially connected.
Preferably, the internal drive system includes input gear, an axis, variable-speed shaft and driving gearshaft, the input
Gear is fixedly connected with the output shaft in power input device, and the input gear is engaged with an axis gear wheel of an axis one end,
Transmission gear is slidably fitted on one axis, the transmission gear is engaged with the shifting gear on variable-speed shaft, the gear teeth
Wheel is engaged with the transmission gear on driving gearshaft, passive big in the driving cog and differential system on the left of the driving gearshaft
Gear engagement.
Preferably, an axis is connect with an axis gear wheel spline.
Preferably, set on the variable-speed shaft there are three shifting gear, wherein intermediate shifting gear II always with driving cog
Gear selection is realized in wheel engagement, transmission gear sliding selection any gear gear engagement.
Preferably, the power input device is hydrostatic continuously variable transmission HTS.
Preferably, the differential system includes differential mechanism, passive gear wheel and differential casing, the differential mechanism and passive
Gear wheel is fixedly connected, and the differential mechanism is the mating four planetary gear structures of two planetary gear shafts, two planets
Gear shaft is an entirety and square crossing is arranged, and four planetary gears are respectively fitted over the both ends of two planetary gear shafts,
The differential casing is Split assembled sandwich type element, and the bearing support of the differential mechanism two sides is tapered roller bearing.
Preferably, the braking system includes brake gear shaft and brake, the power output system include that semiaxis is big
Gear and output axle shaft, the differential mechanism two sides are separately installed with brake gear shaft, the brake gear shaft respectively with it is ipsilateral
The connection of semiaxis gear wheel spline, the semiaxis gear wheel are connect with ipsilateral output axle shaft spline respectively, the outer end of output axle shaft
It is fixedly connected respectively by flange with the left and right wheel disc of vehicle, two brake gear shaft tail portions are separately installed with a brake.
Preferably, a pair of cam platen being bonded in opposite directions, the cam are installed between the brake inside friction plate
There is crater at three at platen binding face, the crater is gradually become shallower as along crater center circle contour by cheating bottom outward, and two pieces opposite
The crater position of the cam platen of fitting is opposite one by one, has one can roll fixed spherical hoodle in crater, all cam platens
There is the drawing ear of a protrusion in side, and the drawing ear is flexibly connected by connecting rod with mandril.
Compared with prior art, the utility model has the beneficial effects that this application provides a kind of by driving wheel bridge and becomes
The combined type wheel bridge gearbox designs that fast case combines have gantry carrying, differential gearing function and speed change, speed-regulating function concurrently,
Reduce the transmission loss between component, optimize overall structure, also as save manufacturing cost while saving space.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of differential mechanism in the utility model；
Fig. 3 is the structural schematic diagram of brake in the utility model；
Fig. 4 is the structural schematic diagram of the utility model convexity wheel platen；
Fig. 5 is the working principle diagram of the utility model convexity wheel platen；
Fig. 6 is the structural schematic diagram of gear box casing in the utility model；
Fig. 7 is the structural schematic diagram that half beam barrel fovea superior falls into region in the utility model.
In figure: 1 power input device, 21 input gears, 22 1 axis gear wheels, 23 1 axis, 24 transmission gears, 25 speed changes
Axis, 26 shifting gears, 27 driving gearshafts, 28 transmission gears, 31 differential mechanisms, 301 planetary gear shafts, 302 planetary gears, 303
Differential casing, 32 passive gear wheels, 41 brake gear shafts, 42 brakes, 401 rocker arms, 402 oil cylinders, 403 reset springs, 404
Ear, 410 connecting rods, 51 semiaxis canine tooths are drawn in mandril, 405 cam platens, 406 spherical hoodles, 407 oil cylinder pistons, 408 crater, 409
Wheel, 52 output axle shafts, 53 half beam barrels, 531 sunk areas, 6 gear box casings, 61 recess.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-7 is please referred to, the utility model provides a kind of technical solution: a kind of combined type wheel bridge gearbox, including power
Input unit 1, internal drive system, differential system, power output system and the braking system being mounted on inside gear box casing 6
System, wherein power input device 1 is hydrostatic continuously variable transmission HTS, and power input device 1 is mounted on gear box casing 6
Front end is simultaneously sequentially connected with internal drive system, and internal drive system and differential system are sequentially connected, differential system and braking system
System transmission connection, braking system and power output system are sequentially connected, and power output system and vehicle wheel disc are sequentially connected, this Shen
Power output system is directly connected to vehicle wheel disc in the combined type wheel bridge gearbox that please be provided, by driving wheel bridge and gearbox phase
In conjunction with, it has gantry carrying, differential gearing function and speed change, speed-regulating function concurrently, reduces the transmission loss between component, optimization
Overall structure also as save manufacturing cost while saving space.
Specifically, internal drive system includes input gear 21, an axis 23, variable-speed shaft 25 and driving gearshaft 27, input
Gear 21 is fixedly connected with the output shaft in power input device 1, an axis gear wheel 22 of 23 one end of input gear 21 and an axis
Engagement, wherein an axis 23 is connect with 22 spline of an axis gear wheel, further, is slidably fitted with transmission gear 24 on an axis 23,
Transmission gear 24 is engaged with the shifting gear 26 on variable-speed shaft 25, wherein there are three shifting gear 26 is set, transmission gear 24 is one
It horizontally slips on axis 23, selects any gear gear 26 to engage, gear selection can be realized, make variable-speed shaft 25 with the gear of selection
Speed is rotated, wherein intermediate shifting gear II is engaged with transmission gear 28 always, the transmission in 27 left side of driving gearshaft
Tooth is engaged with the passive gear wheel 32 in differential system.
Preferably, differential system includes differential mechanism 31, passive gear wheel 32 and differential casing 303, differential mechanism 31 and quilt
Dynamic gear wheel 32 is fixedly connected, and drives differential mechanism 31 to rotate when passive gear wheel 32 rotates, and differential mechanism 31 is two planetary gears
The structure of 301 mating four planetary gears 302 of axis, two planetary gear shafts 301 are an entirety and square crossing is arranged, four
Planetary gear 302 is respectively fitted over the both ends of two planetary gear shafts 301, and such structure can be improved bearing capacity, extend
The service life of planetary gear shaft 301 and planetary gear 302, further, differential casing 303 are Split assembled sandwich type element,
It is easy for installation and removal, in addition, the bearing support of 31 two sides of differential mechanism is tapered roller bearing.Improve differential mechanism 31 it is dynamic,
Dead load ability extends the service life of bearing.
Further, braking system includes brake gear shaft 41 and brake 42, power output system include semiaxis canine tooth
Wheel 51 and output axle shaft 52,31 two sides of differential mechanism are separately installed with brake gear shaft 41, brake gear shaft 41 respectively with it is ipsilateral
The connection of 51 spline of semiaxis gear wheel, semiaxis gear wheel 51 are connect with ipsilateral 52 spline of output axle shaft respectively, output axle shaft 52
Outer end passes through flange respectively and is fixedly connected with the left and right wheel disc of vehicle, and two 41 tail portions of brake gear shaft are separately installed with a system
Dynamic device 42.
Preferably, a pair of cam platen 405 being bonded in opposite directions, cam pressure are installed between 42 internal friction piece of brake
There are crater 408 at three at 405 binding face of disk, crater 408 is gradually become shallower as along 408 center circle contour of crater by cheating bottom outward, and two
408 position of crater for the cam platen 405 that block is bonded in opposite directions is opposite one by one, has one can roll fixed spherical hoodle in crater 408
406, there is the drawing ear 409 of a protrusion in the side of all cam platens 405, and ear 409 is drawn to pass through 404 activity of connecting rod 410 and mandril
Connection.
Preferably, as shown in fig. 6, having a recess 61 in 6 front side of gear box casing, for installing power input dress
1 is set, overall structure can be made more compact.
Preferably, as shown in fig. 7, in power output system, left and right half cylinder 53 has one close to 42 position of brake
Section sunk area 531, prevents brake 42 from interfering with half beam barrel 53.
Working principle: hydrostatic continuously variable transmission HST provides the forward and backward of different demands as power input device 1
Speed drives input gear 21 to rotate, and input gear 21 is engaged with an axis gear wheel 22, drives an axis gear wheel 22 rotation, an axis
The rotation of gear wheel 22 has driven the axis 23 connecting with its spline to rotate, and the transmission gear 24 of 23 right end of an axis follows an axis 23
It rotates simultaneously.By fork controls, transmission gear 24 can horizontally slip on an axis 23, respectively with three shelves on variable-speed shaft 25
Position gear 26 engages, and realizes variable-speed shaft 25 and is rotated with I, II, III 3 gear；Shifting gear 26 on variable-speed shaft 25
II engages with 27 upper transfer gear 28 of driving gearshaft always, and driving gearshaft 27 is driven to rotate, 27 left side of driving gearshaft
Driving cog is engaged with the passive gear wheel 32 in differential system, drive differential mechanism 31 rotate, differential mechanism 31 drive be mounted on its two
The brake gear shaft 41 of side rotates, and brake gear shaft 41 drives semiaxis gear wheel 51 to rotate respectively, so that 52 turns of output axle shaft
Dynamic, the left and right connecting flange position of 52 outer end of output axle shaft is fixed with the left and right wheel disc of vehicle respectively, drives vehicle wheel rotation, is realized
Vehicle is advanced with friction speed, is retreated.
It encounters and jolts or side is hindered in vehicle straight trip, and during turning, so that vehicle two sides revolving speed or row
When journey is inconsistent, then differential mechanism 31 irritability can adjust two sides revolving speed automatically, realize balance.
Gearbox two sides, brake 41 tail portion of gear shaft are respectively equipped with a brake 42, and brake 41 tail portion of gear shaft is outer flower
Bond structure is adapted with friction plate internal spline in brake 42.During vehicle to run, between the friction plate inside brake 42
In releasing orientation, follows brake gear shaft 41 while rotating.When needing to carry out braking, then the oil cylinder 402 on brake 42
Inside starts fuel feeding pressurization, and oil cylinder piston 407 stretches out, and pushes Rocker arm 4 01 to stretch mandril 404, drives two connecting rods 410, drags
Drawing ear 409 on cam platen 405, so that two pieces of cam platens 405 being bonded in opposite directions make opposite direction rotating movement, so that original place
Spherical hoodle 406 in 408 bottom of crater is gradually extruded to shallow hole position, has strutted two pieces of cam pressures being originally bonded in opposite directions
Disk 405 has held out against the friction plate of original release, and has been in locking state, so that brake gear shaft 41 can not continue to rotate, reaches
The purpose of brake.After 402 inside fuel cut-off of oil cylinder, pressure release, under the action of reset spring 403, oil cylinder piston 407
All bounce back reset with Rocker arm 4 01, and mandril 404 also drives two connecting rods 410 to be resetted, so that two pieces of cam pressures being bonded in opposite directions
Disk 405 makees reverse rotation motion, and spherical hoodle 406 is extruded the bottom in rebound hole 408, two pieces of cam pressures being bonded in opposite directions again
Disk 405 fits together again.The friction plate held out against also returns to releasing orientation, is in transfer state, brake again
State is cancelled.
A kind of combined type wheel bridge gearbox provided by the present application, driving wheel bridge is combined with gearbox, gantry is had concurrently and holds
Load, differential gearing function and speed change, speed-regulating function, reduce the transmission loss between component, optimize overall structure, save
Manufacturing cost is also ad save while space.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (10)
1. a kind of combined type wheel bridge gearbox, it is characterised in that: including power input device (1), be mounted on gear box casing (6)
Internal internal drive system, differential system, power output system and braking system, the power input device (1) are mounted on
The front end of gear box casing (6) is simultaneously sequentially connected with internal drive system, and the internal drive system and differential system transmission connect
It connects, the differential system and braking system are sequentially connected, and the braking system and power output system are sequentially connected, the power
Output system and vehicle wheel disc are sequentially connected.
2. a kind of combined type wheel bridge gearbox according to claim 1, it is characterised in that: the internal drive system includes
Input gear (21), an axis (23), variable-speed shaft (25) and driving gearshaft (27), the input gear (21) and power input fill
The output shaft set in (1) is fixedly connected, and the input gear (21) is engaged with an axis gear wheel (22) an of axis (23) one end, institute
It states and is slidably fitted on an axis (23) transmission gear (24), the shifting gear on the transmission gear (24) and variable-speed shaft (25)
(26) it engages, the shifting gear (26) is engaged with the transmission gear (28) on driving gearshaft (27), the driving gearshaft
(27) driving cog on the left of is engaged with the passive gear wheel (32) in differential system.
3. a kind of combined type wheel bridge gearbox according to claim 2, it is characterised in that: an axis (23) and an axis are big
The connection of gear (22) spline.
4. a kind of combined type wheel bridge gearbox according to claim 2, it is characterised in that: the variable-speed shaft (25) is equipped with
Three shifting gears (26), wherein intermediate shifting gear II is engaged with transmission gear (28) always, transmission gear (24) sliding
Any gear gear (26) engagement is selected to realize gear selection.
5. a kind of combined type wheel bridge gearbox according to claim 1, it is characterised in that: the power input device (1)
For hydrostatic continuously variable transmission HTS.
6. a kind of combined type wheel bridge gearbox according to claim 1, it is characterised in that: the differential system includes differential
Device (31), passive gear wheel (32) and differential casing (303), the differential mechanism (31) and passive gear wheel (32) fixed company
It connects, the differential mechanism (31) is the structure of mating four planetary gears (302) of two planetary gear shafts (301), two rows
Star gear shaft (301) is an entirety and square crossing is arranged, and four planetary gears (302) are respectively fitted over two planet teeth
The both ends of wheel shaft (301), the differential casing (303) are Split assembled sandwich type element, the bearing of differential mechanism (31) two sides
Bearing is tapered roller bearing.
7. a kind of combined type wheel bridge gearbox according to claim 6, it is characterised in that: the braking system includes brake
Gear shaft (41) and brake (42), the power output system include semiaxis gear wheel (51) and output axle shaft (52), described
Differential mechanism (31) two sides be separately installed with brake gear shaft (41), brake gear shaft (41) respectively with ipsilateral semiaxis canine tooth
The connection of (51) spline is taken turns, the semiaxis gear wheel (51) connect with ipsilateral output axle shaft (52) spline respectively, output axle shaft
(52) outer end passes through flange respectively and is fixedly connected with the left and right wheel disc of vehicle, and two brake gear shaft (41) tail portions are installed respectively
There is a brake (42).
8. a kind of combined type wheel bridge gearbox according to claim 7, it is characterised in that: rub inside the brake (42)
A pair of cam platen (405) being bonded in opposite directions is installed between pad, has crater at three at cam platen (405) binding face
(408), the crater (408) along crater (408) center circle contour by cheat bottom gradually become shallower as outward, two pieces be bonded in opposite directions it is convex
Crater (408) position for taking turns platen (405) is opposite one by one, has one can roll fixed spherical hoodle (406), institute in crater (408)
There is the side of cam platen (405) to have the drawing ear (409) of a protrusion, the drawing ear (409) passes through connecting rod (410) and mandril
(404) it is flexibly connected.
9. a kind of combined type wheel bridge gearbox according to claim 8, it is characterised in that: half beam barrel (53) of the left and right sides
Close to the position of brake (42), there is one section of sunk area (531).
10. a kind of combined type wheel bridge gearbox according to claim 1, it is characterised in that: in front of gear box casing (6)
Side is equipped with one for installing the recess (61) of power input device (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009937.1U CN209309269U (en) | 2018-11-30 | 2018-11-30 | A kind of combined type wheel bridge gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822009937.1U CN209309269U (en) | 2018-11-30 | 2018-11-30 | A kind of combined type wheel bridge gearbox |
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| Publication Number | Publication Date |
|---|---|
| CN209309269U true CN209309269U (en) | 2019-08-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201822009937.1U Active CN209309269U (en) | 2018-11-30 | 2018-11-30 | A kind of combined type wheel bridge gearbox |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282018A (en) * | 2018-11-30 | 2019-01-29 | 江苏沃得农业机械配件制造有限公司 | A kind of combined type wheel bridge gearbox |
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2018
- 2018-11-30 CN CN201822009937.1U patent/CN209309269U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282018A (en) * | 2018-11-30 | 2019-01-29 | 江苏沃得农业机械配件制造有限公司 | A kind of combined type wheel bridge gearbox |
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