CN208268319U - Direct wheel drives retarder - Google Patents
Direct wheel drives retarder Download PDFInfo
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- CN208268319U CN208268319U CN201721831457.2U CN201721831457U CN208268319U CN 208268319 U CN208268319 U CN 208268319U CN 201721831457 U CN201721831457 U CN 201721831457U CN 208268319 U CN208268319 U CN 208268319U
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Abstract
Direct wheel drives retarder mainly takes off bridge component by input shaft component, intermediate shaft part, planetary mechanism component, output shaft assembly, wet braking component, cabinet and forms, and 1 hot jacket of input shaft of the input shaft component has input gear；The jackshaft of the intermediate shaft part is sun wheel shaft, and hot jacket has reduction gearing in sun wheel shaft；Reduction gearing is engaged with input gear, and sun gear is engaged with the planetary gear of planetary mechanism component；The planet carrier of the planetary mechanism component is coupled with planet carrier support shaft by spline form, and planet carrier is set with planetary gear, and planetary gear is engaged with sun gear, gear ring respectively, band shifter collar in support shaft；The output shaft of the output shaft assembly is flange shaft, there is the engagement toothholder coupled by spline on axis；Power is inputted through primary speed-down through planetary mechanism sun gear power, realizes power output by planet carrier support shaft, output shaft；The utility model can realize that two drives, 4 wheel driven or drive configure more, and integrated de- bridge and braking function.
Description
Technical field
The utility model relates to a kind of Direct wheel drives retarders, belong to the loading drive gear of automotive power transmission system
It sets.
Background technique
In traditional automotive power transmission system, arrangement form is subtracted using speed changer+transfer case+drive axle+wheel, with mesh
Preceding BYD K9 the most well known and the Changjiang river are escaped for pavilion, and wheel motor drive axle form is constituted dynamic with driving motor+retarder
Power assembly, brake caliper and brake disc constitute braking system, and integrated carrying is constituted on drive axle body.Pass through highly integrated wheel
Side motor driven bridge replaces engine, clutch, speed change with motor, speed reducer assembly, brake assembly and hub assembly
The orthodox cars transmission parts such as device (transfer case), transmission shaft, but it still has that structure is many and diverse, and dry type braking is by environment
Factor influences big.
In the prior art, as the Chinese patent literature of Publication No. CN202125574U disclose it is a kind of " collect brake in
The modularization hub reduction gear of one " includes spline housing, piston, brake pipe, brake casing, butterfly spring, connection spiral shell
Bolt, spring bearer plate, gear ring, friction plate, tooth plate, bearing, pinion gear, gear wheel, outer housing, shell, floating sealing ring, sprocket hub, chain
Gear teeth block, terminal pad, planet carrier gear ring, planetary gear, planet carrier, end cap, sun wheel shaft, bolt, bearing support, end cap, vehicle frame
It is formed with snap ring.Power is engaged through spline housing with motor output spline, realizes power input, and brake is adopted on spline housing
With normally closed form, power can not be exported.When brake does not work, power is reached primary speed-down gear pair by spline housing, then is passed through
Gear wheel internal spline in primary speed-down gear pair is engaged with the external splines in sun wheel shaft reaches planetary mechanism for power, wherein
The gear ring of planetary mechanism is fixed, planet carrier rotation, is driven the sprocket wheel rotation being connected with planet carrier, is realized power output.The collection system
Dynamic device is often in on-position in the modularization hub reduction gear brake free state of one, is not suitable for Mobile Power Transmission road
Line cannot achieve service brake, and under brake off working state, and structure is easy to appear wet braking friction plate band row and asks
Topic, and it is arranged in box house input shaft, it has not been convenient to it repairs, which has a single function.
Summary of the invention
The purpose of the utility model is to overcome the shortcomings of the prior art, and provide a kind of compact-sized, maintenance side
Just, transmission efficiency is high, and high reliablity is, it can be achieved that service brake and parking braking, wet friction group are not susceptible to band row, mill
Damage, while bridge structure is incidentally taken off, facilitate arrangement and emergency measure, it can be achieved that two drives, 4 wheel driven or the wheel side for driving configuration more
Drive retarder.
The utility model is completed by following technical solution, a kind of Direct wheel drives retarder, mainly by input shaft
Component, intermediate shaft part, planetary mechanism component, output shaft assembly, wet braking component, cabinet take off bridge component composition, described defeated
1 hot jacket of input shaft for entering shaft member has input gear；The jackshaft of the intermediate shaft part is sun wheel shaft, heat in sun wheel shaft
It is cased with reduction gearing；Reduction gearing is engaged with input gear, and sun gear is engaged with the planetary gear of planetary mechanism component；Described
The planet carrier of planetary mechanism component is coupled with planet carrier support shaft by spline form, and planet carrier is set with planetary gear, planet
Gear is engaged with sun gear, gear ring respectively, band shifter collar in planet carrier support shaft；The output shaft of the output shaft assembly is
Flange shaft has the engagement toothholder coupled by spline on axis；Power is inputted through primary speed-down through planetary mechanism sun gear power,
Power output is realized by planet carrier support shaft, output shaft.
As preferred: the input shaft of the input shaft component is supported on the procapsid and back casing of box part by bearing
On；The jackshaft front end of the intermediate shaft part is supported on the procapsid of box part by bearing, and rear end passes through bearing branch
It holds on the inner hole of planet carrier support shaft；The planet carrier support shaft of the planetary mechanism component is supported on chest portion by bearing
On the back casing of part, which is hollow shaft, and with many places oil duct on axis；The output shaft front end of the output shaft assembly passes through axis
It holds and is supported on the inner hole of planet carrier support shaft, rear end is supported on bearing cover by bearing；
Be bolted rack gear fixed disk on the back casing, the gear ring fixed disk by spline with couple
The gear ring.
As preferred: the wet braking component includes braking end cap, brake bar, platen, piston, pillar group, guiding
Pin, groups of springs, spring, the friction group being made of friction plate and brake(-holder) block, braking end cap pass through the front housing of bolt and box part
Body is fixed to form brake chamber, and both ends are fixed on braking end cap and procapsid respectively for pillar group, guide pin, and friction group is successively in axis
To arranged for interval in brake chamber, brake(-holder) block outer end is covered in pillar group by spring intervals, and friction plate is by internal spline in
Between spline connection on axis, platen is fixed in brake chamber by guide pin, spring, and brake bar is set to braking end cap with piston
On.
As preferred: it includes hydraulic cylinder, rocker arm, shift fork axle, shift fork that the cabinet, which takes off bridge component, and hydraulic cylinder band is automatically multiple
Bit function is bolted on back casing, and hydraulic cylinder extension bar is realized by rocker arm to be coupled with shift fork axle, and shift fork is pivotally supported
Coupled by pin shaft with shift fork on back casing, shift fork is connected with the shifter collar on planetary mechanism component；The cabinet takes off bridge
Component controls shift fork by hydraulic cylinder, pushes shifter collar, control planet carrier support shaft and output shaft couple and disconnection.
As preferred: the input shaft band internal spline of the input shaft component directly couples with motor (power source), motor
And it is fixed with the procapsid of box part；The output shaft of the output shaft assembly is the flange shaft directly coupled with driving wheel；
Power is inputted from input shaft, and through input gear and reduction gearing engaged transmission power to sun wheel shaft, sun gear is passed through
It crosses and is engaged with planetary gear, planetary gear is engaged with gear ring, and power is exported by planet carrier support shaft, and planet carrier support shaft is by nibbling
It closes tooth set and toothholder couples with output shaft.
The utility model replaces traditional power drive system, and by input terminal direct connection power source (motor), output end is straight
Join wheel, two drive of realization, 4 wheel driven or more drive configurations, and integrates and take off bridge and wet braking function.De- bridge function is driven in arrangement more
Under the premise of undertaking emergency measure (change driving wheel is driven wheel), driving form is enriched, wet braking function, which is built in, to be subtracted
Inside fast device, structure is more compact, and performance is relatively reliable, simplifies transmission system, improves transmission efficiency and simplifies vehicle cloth
Zero setting component.
Detailed description of the invention
Fig. 1 is the drive mechanism schematic diagram of the utility model.
Fig. 2 is the brake component structural schematic diagram of the utility model.
Fig. 3 is the drive system arrangements structural schematic diagram of the utility model.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing, shown in Fig. 1, wheel side described in the utility model is driven
Employ retarder, mainly by input shaft component, intermediate shaft part, planetary mechanism component, output shaft assembly, wet braking component,
Cabinet takes off bridge component composition, and 1 hot jacket of input shaft of the input shaft component has input gear 4；The centre of the intermediate shaft part
Axis 19 is gear shaft (sun gear), and hot jacket has reduction gearing 20；Reduction gearing 20 is engaged with input gear 4, sun gear and planet
The planetary gear 5 of mechanism part engages；The planet carrier 6 and planet carrier support shaft 17 of the planetary mechanism component pass through spline shape
Formula connection, and it is locked with nut 18, and planet carrier 6 is set with planetary gear 5, and planetary gear 5 is engaged with sun gear, gear ring 7 respectively,
Band shifter collar 15 in planet carrier support shaft 17；The output shaft 13 of the output shaft assembly is flange shaft, has on axis and passes through flower
The engagement toothholder 14 of key connecting.Power is inputted through planetary mechanism sun gear power through primary speed-down, by planet carrier support shaft,
Output shaft realizes power output.
The input shaft 1 of the input shaft component is supported on the procapsid 2 of box part by bearing, on back casing 3；It is described
19 front end of jackshaft of intermediate shaft part is supported on the procapsid 2 of box part by bearing, and rear end is supported on by bearing
On the inner hole of planet carrier support shaft 17；The planet carrier support shaft 17 of the planetary mechanism component is supported on chest portion by bearing
On the back casing 3 of part, which is hollow shaft, and with many places oil duct on axis；13 front end of output shaft of the output shaft assembly is logical
It crosses bearing to be supported on the inner hole of planet carrier support shaft 17, rear end is supported on bearing cover 12 by bearing.The tooth
Circle 7 is coupled by spline with gear ring fixed disk 8, and gear ring fixed disk 8 is bolted on back casing 3.
As shown in Fig. 2, the wet braking component includes braking end cap 21, brake bar 34, platen 32, piston 33, branch
Column group 35, guide pin 31, groups of springs 36, spring 39, friction group (friction plate 38, brake(-holder) block 37), braking end cap 21 pass through bolt
With the procapsid 2 of box part is fixed forms brake chamber, pillar group 35, guide pin 31 respectively both ends be fixed on braking end cap 21 with
On procapsid 2, friction group is successively arranged in brake chamber in axially spaced-apart, and 37 outer end of brake(-holder) block is existed by 36 spacer sleeve of groups of springs
In pillar group, friction plate 38 is coupled by internal spline with the spline on jackshaft 19, and platen 32 is solid by guide pin 31, spring 39
It is scheduled in brake chamber, brake bar 34 and piston 33 are set on braking end cap 21.
As preferred: it includes hydraulic cylinder 9, rocker arm 11, shift fork axle 10, shift fork 16, hydraulic cylinder 9 that the cabinet, which takes off bridge component,
Band auto-reset function is bolted on back casing 3, and 9 extension bar of hydraulic cylinder is realized and shift fork axle 10 by rocker arm 11
It connects, shift fork axle 10, which is supported on back casing 3, to be coupled by pin shaft with shift fork 16, the engaging tooth on shift fork 16 and planetary mechanism component
Set 15 is connected.
The input shaft 1 of the input shaft component directly couples with motor (power source) with internal spline, motor and and cabinet
The procapsid 2 of component is fixed；The output shaft 13 of the output shaft assembly is flange shaft, can directly be coupled with driving wheel, directly
Realize power output.
Hub reduction gear described in the utility model, power is inputted from input shaft 1, through input gear 4 and reduction gearing
20 engaged transmission power are to sun wheel shaft, and sun gear with planetary gear 5 by engaging, and planetary gear 5 is engaged with gear ring 7, power
It is exported by planet carrier support shaft 17, planet carrier support shaft 17 is coupled by shifter collar 15 and toothholder 14 with output shaft 13, real
Existing power output, changes transmission speed ratio.
De- bridge component controls shift fork 16 by hydraulic cylinder 9, pushes shifter collar 15, control planet carrier support shaft 17 and output
The output and interruption of power are realized in the connection and disconnection of axis 13.
It is disposed with brake bar, braking oil nozzle in wet braking portion, hydraulic oil and mechanical flexible axle control system can be passed through respectively
Dynamic function, when carrying out braking operation, brake is jackshaft, i.e. sun wheel shaft.
As shown in figure 3, being coupled by motor with hub reduction gear described in the utility model, retarder couples wheel, and
Retarder and motor are fixed on vehicle frame, and two-wheel drive form can be realized to referred to as one group in two sides, can by increasing driving group
To realize the diversified arrangement form of vehicle, meet various duty requirements.
Claims (5)
1. Direct wheel drives retarder, mainly by input shaft component, intermediate shaft part, planetary mechanism component, output shaft assembly, wet type
Brake component, cabinet take off bridge component composition, it is characterised in that input shaft (1) hot jacket of the input shaft component has input gear
(4)；The jackshaft (19) of the intermediate shaft part is sun wheel shaft, and hot jacket has reduction gearing (20) in sun wheel shaft；Reducing gear
Wheel (20) is engaged with input gear (4), and sun gear is engaged with the planetary gear (5) of planetary mechanism component；The planetary mechanism
The planet carrier (6) of component is coupled with planet carrier support shaft (17) by spline form, and planet carrier (6) is set with planetary gear (5),
Planetary gear (5) is engaged with sun gear, gear ring (7) respectively, band shifter collar (15) in planet carrier support shaft (17)；Described is defeated
The output shaft (13) of shaft member is flange shaft out, there is the engagement toothholder (14) coupled by spline on axis；Power through primary speed-down,
It is inputted through planetary mechanism sun gear power, realizes power output by planet carrier support shaft, output shaft.
2. Direct wheel drives retarder according to claim 1, it is characterised in that the input shaft (1) of the input shaft component is logical
Bearing is crossed to be supported on the procapsid (2) and back casing (3) of box part；Jackshaft (19) front end of the intermediate shaft part is logical
It crosses bearing to be supported on the procapsid (2) of box part, rear end is supported on the inner hole of planet carrier support shaft (17) by bearing；
The planet carrier support shaft (17) of the planetary mechanism component is supported on the back casing (3) of box part by bearing, the axis
For hollow shaft, and band many places oil duct on axis；Output shaft (13) front end of the output shaft assembly is supported on planet by bearing
On the inner hole of frame support shaft (17), rear end is supported on bearing cover (12) by bearing；
It is bolted rack gear fixed disk (8) on the back casing (3), the gear ring fixed disk (8) passes through spline
With couple the gear ring (7).
3. Direct wheel drives retarder according to claim 1, it is characterised in that the wet braking component includes braking
End cap (21), brake bar (34), platen (32), piston (33), pillar group (35), guide pin (31), groups of springs (36), spring
(39), the friction group being made of friction plate (38) and brake(-holder) block (37), before braking end cap (21) is by bolt and box part
Shell (2) is fixed to form brake chamber, and both ends are fixed on braking end cap (21) and procapsid respectively for pillar group (35), guide pin (31)
(2) on, friction group is successively arranged in brake chamber in axially spaced-apart, and brake(-holder) block (37) outer end is existed by groups of springs (36) spacer sleeve
In pillar group, friction plate (38) is coupled with the spline on jackshaft (19) by internal spline, platen (32) pass through guide pin (31),
Spring (39) is fixed in brake chamber, and brake bar (34) and piston (33) are set in braking end cap (21).
4. Direct wheel drives retarder according to claim 1, it is characterised in that it includes hydraulic that the cabinet, which takes off bridge component,
Cylinder (9), rocker arm (11), shift fork axle (10), shift fork (16), hydraulic cylinder (9) band auto-reset function are bolted on rear shell
On body (3), hydraulic cylinder (9) extension bar is realized by rocker arm (11) to be coupled with shift fork axle (10), and shift fork axle (10) is supported on rear shell
Coupled by pin shaft with shift fork (16) on body (3), shift fork (16) is connected with the shifter collar (15) on planetary mechanism component；It is described
Cabinet take off bridge component by hydraulic cylinder (9) control shift fork (16), push shifter collar (15), control planet carrier support shaft (17) with
The connection and disconnection of output shaft (13).
5. Direct wheel drives retarder according to claim 1 or 2, it is characterised in that the input shaft of the input shaft component
(1) band internal spline, directly couples with motor, and motor is simultaneously fixed with the procapsid of box part (2)；The output shaft assembly
Output shaft (13) is the flange shaft directly coupled with driving wheel；
Power is inputted from input shaft (1), through input gear (4) and reduction gearing (20) engaged transmission power to sun wheel shaft, too
Sun wheel with planetary gear (5) by engaging, and planetary gear (5) is engaged with gear ring (7), and power is defeated by planet carrier support shaft (17)
Out, planet carrier support shaft (17) is coupled by shifter collar (15) and toothholder (14) with output shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831457.2U CN208268319U (en) | 2017-12-25 | 2017-12-25 | Direct wheel drives retarder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721831457.2U CN208268319U (en) | 2017-12-25 | 2017-12-25 | Direct wheel drives retarder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268319U true CN208268319U (en) | 2018-12-21 |
Family
ID=64673468
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721831457.2U Active CN208268319U (en) | 2017-12-25 | 2017-12-25 | Direct wheel drives retarder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268319U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131424A (en) * | 2017-12-25 | 2018-06-08 | 杭州前进齿轮箱集团股份有限公司 | A kind of Direct wheel drives retarder |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
-
2017
- 2017-12-25 CN CN201721831457.2U patent/CN208268319U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131424A (en) * | 2017-12-25 | 2018-06-08 | 杭州前进齿轮箱集团股份有限公司 | A kind of Direct wheel drives retarder |
| CN114294381A (en) * | 2021-12-17 | 2022-04-08 | 东风汽车零部件(集团)有限公司刃量具分公司 | Planetary reducer |
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