CN206446579U - A kind of scraper wet-type braking driving axle - Google Patents
A kind of scraper wet-type braking driving axle Download PDFInfo
- Publication number
- CN206446579U CN206446579U CN201720110673.1U CN201720110673U CN206446579U CN 206446579 U CN206446579 U CN 206446579U CN 201720110673 U CN201720110673 U CN 201720110673U CN 206446579 U CN206446579 U CN 206446579U
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- Prior art keywords
- brake
- wheel
- shell
- wet
- ring
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- Withdrawn - After Issue
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Abstract
The utility model discloses a kind of scraper wet-type braking driving axle, including wheel hem retarding mechanism, wet brake, semiaxis, main driving assembly, axle housing, wet brake is provided with brake shell, tripping spring is provided with brake shell, tripping spring makes piston cap be pressed on brake plunger ring, and brake cap is connected static friction piece, and static friction piece correspondence position is provided with movable friction plate, the outside of brake cap, which is provided with link slot, link slot, installs floating seal；Wheel hem retarding mechanism is provided with planetary gear, and planetary gear is fixed on planetary wheel carrier by planet wheel spindle；Sun gear is fixed on semiaxis, and sun wheel drive planetary gear and planetary wheel carrier are rotated around sun gear, and planetary wheel carrier is bolted on wheel side shell, and planetary wheel carrier driven wheel side shell is rotated.This programme reduces the frictional force between movable friction plate and static friction piece, carries that its service life, structure be relatively easy, working service cost is all relatively low.
Description
Technical field
The utility model is related to transmission, walking and brakes in engineering machinery, is exactly that a kind of scraper is wet
Formula brakes drive axle.
Background technology
Drive axle is made up of axle housing, wheel hem retarding mechanism, wet brake, semiaxis, main gear reducer structure in the prior art, wet
Formula brake inside is simple in construction, brake do not wear and tear indicating arm cannot indicate safe handling situation, brake inside
Only 1 road O-ring sealing, and do not have a friction plate cooling chamber, O-ring can wear and tear oil leak, friction under long-time operating state
Piece temperature height is not cooled down, and makes friction disc wear serious, braking reliability is low, service life is shorter and use and maintenance cost is high.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of scraper wet-type braking driving axle, and the device being capable of pole
Frictional force between big reduction movable friction plate and static friction piece, improves the service life of friction disc device, reduces to each zero
The processing technology of part and the requirement of assembly technology, in addition, present apparatus structure is relatively easy, the cost of device and working service
Cost is all relatively low.
In order to solve the above technical problems, the utility model uses following technological means：
A kind of scraper wet-type braking driving axle, including wheel hem retarding mechanism, wet brake, semiaxis, main driving assembly,
Axle housing, described wet brake is fixed on axle housing by hollow shaft and hub shell, ring gear, and wet brake is provided with system
Tripping spring is provided with dynamic device shell, brake shell, one end of tripping spring is against on the madial wall of shell, tripping spring
The other end is against the surface of brake plunger lid, and tripping spring makes piston cap be pressed on brake plunger ring, brake plunger ring
It is arranged between brake shell and brake cap, brake plunger is equipped with oil sealing, brake cap is connected static friction piece,
Static friction piece correspondence position is provided with movable friction plate, and the outside of brake cap, which is provided with link slot, link slot, installs floating seal；System
Dynamic device shell is provided with tank filler sleeve, spill port and steam vent；Described wheel hem retarding mechanism is provided with planetary gear, and planetary gear passes through row
Spider gear shaft is fixed on planetary wheel carrier；Sun gear is fixed on semiaxis, and sun wheel drive planetary gear and planetary wheel carrier are around sun gear
Rotate, planetary wheel carrier is bolted on wheel side shell, and planetary wheel carrier driven wheel side shell is rotated.
When car needs walking, the hydraulic oil for releasing braking promotes itself and system by oil duct into brake plunger ring bottom
Actuator piston lid to tripping spring direction move, until movable friction plate be not pressurized power restriction can by take turns side shell drive freely turn
It is dynamic.When car needs braking and parking, the hydraulic oil for releasing braking is released, tripping spring meeting abrupt release spring force heads on system
Actuator piston lid press against the movement of brake plunger ring, untill compressing movable friction plate and static friction piece, movable friction plate due to
It is compacted inactive, and takes turns side shell and be connected thereto, wheel side shell transfixion is made accordingly, drive whole wheel hem retarding mechanism
Transfixion, realizes braking effect.
The beneficial effects of the utility model are：Axle housing uses cast steel casting, and rigidity is good, carrying is big, and braking point is placed
On wheel side shell, the relative rotation speed between movable friction plate and static friction piece is reduced, reach four points of braking sun wheel speed
One of, therefore, the frictional force between movable friction plate and static friction piece is greatly reduced, improve the use longevity of friction disc device
Life, reduces the processing technology to each parts and the requirement of assembly technology, in addition, present apparatus structure is relatively easy, device
Cost and the cost of working service are all relatively low.
Further optimal technical scheme is as follows：
Described brake shell is provided with keyhole, keyhole provided with abrasion indicating arm, and one end of abrasion indicating arm is enclosed on
In keyhole, the other end of abrasion indicating arm is connected with brake plunger lid.
Abrasion indicating arm on brake can indicate the situation of safe handling, can be showed by indicating arm outer end of wearing and tearing
Go out the change mark abrasion condition of the length of adjusting nut.Such as, if abrasion indicating arm outer face is low with respect to the distance that keyhole exposes
In setting value, then illustrate that brake bush could be used after must changing.
Wheel side shell external splines on described wheel hem retarding mechanism and the movable friction plate internal spline inside wet brake
Connection, wheel side wet braking assembly is fixed on axle housing by hollow shaft and stud, and main driving assembly passes through stud
It is fixed on axle housing；Coupled between wheel hem retarding mechanism and main driving assembly by semiaxis.
Described oil sealing is O-ring, and O-ring is provided with corresponding positions on the inside of wear ring, brake shell and brake cap and installed
There is seal groove, O-ring, wear ring are arranged in seal groove.
The sealing of brake uses O-ring and wear ring fitted seal, and O-ring is put into brake shell and brake cap
In the seal groove of side, then wear ring is put on surface.
When brake plunger ring is moved, 2 road O-rings head on 2 road wear rings and contacted with brake plunger ring, not only seal
Effect is protruded, and O-ring is also protected well, is unlikely to be moved back and forth by brake piston ring and damages, make the use of O-ring
Life-span improves, and the sealing effectiveness of brake is more preferable.O-ring of other 2 road on the inside of brake cap heads on 2 road wear rings and braking
Device piston ring madial wall is contacted, and plays cooling oil sealing function.The sealing of this 4 road makes brake chamber and cooling chamber formation individual cavity,
It is effectively controlled brake inside oil temperature high, solves oil temperature height influence braking effect, the problem of friction disc wear is serious, gram
Take that brake apparatus service life is shorter and the high defect of use and maintenance cost.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is wheel hem retarding mechanism sectional view of the present utility model.
Fig. 3 is the utility model wet brake sectional view.
Description of reference numerals：1- wheel hem retarding mechanisms；2- wet brakes；3- semiaxis；4- main driving assemblies；5-
Axle housing；6- takes turns side shell；7- floating seals；8- ring gears；9- planetary gears；10- planet wheel spindles；11- planet wheel spindles are close
Envelope；12- planetary wheel carriers；13- sun gears；14- brake shells；15- tripping springs；16- brake plunger lids；17-
Oil sealing；18- brake plunger rings；19- brake caps；20- static friction pieces；21- movable friction plates；22- floating seals；23-
Wear and tear indicating arm.
Embodiment
With reference to embodiment, the utility model is further illustrated.
It can be seen from Fig. 1, a kind of scraper wet-type braking driving axle of the present utility model, by wheel hem retarding mechanism 1, wet type
Brake 2, semiaxis 3, main driving assembly 4, axle housing 5 is constituted, the external splines of wheel side shell 6 on described wheel hem retarding mechanism 1 with
The internal spline of movable friction plate 21 connection inside wet brake 2, wheel side wet braking assembly is solid by hollow shaft and stud
It is scheduled on axle housing 5, main driving assembly 4 is fixed on axle housing 5 by stud；Wheel hem retarding mechanism 1 and main driving assembly 4 it
Between coupled by semiaxis 3.
Understand that described wet brake 2 is fixed on bridge by hollow shaft and hub shell, ring gear 8 referring to Fig. 2, Fig. 3
On shell 5, wet brake 2, which is provided with brake shell 14, brake shell, is provided with tripping spring 15, one end of tripping spring 15
It is against on the madial wall of shell, the other end of tripping spring 15 is against the surface of brake plunger lid 16, tripping spring 15 makes work
Gag is pressed on brake plunger ring 18, and brake plunger ring 18 is arranged between brake shell 14 and brake cap 19, system
Actuator piston ring 18 is provided with oil sealing 17, and brake cap 19 is connected static friction piece 20, and the correspondence position of static friction piece 20 is provided with dynamic
Friction plate 21, the outside of brake cap 19, which is provided with link slot, link slot, installs floating seal 22；Brake shell 14 is provided with
Tank filler sleeve, spill port and steam vent；Described wheel hem retarding mechanism 1 is provided with planetary gear 9, and planetary gear 9 is solid by planet wheel spindle 10
It is scheduled on planetary wheel carrier 12, planet wheel spindle 10 is provided with planet wheel spindle sealing 11；Sun gear 13 is fixed on semiaxis 3, sun gear
13 driving planetary gears 9 and planetary wheel carrier 12 are rotated around sun gear 13, and planetary wheel carrier 12 is bolted on wheel side shell 6,
The driven wheel side shell 6 of planetary wheel carrier 12 is rotated, and wheel side shell 6 is provided with floating seal 7.
When car need walking when, release braking hydraulic oil by oil duct enter the bottom of brake plunger ring 18 promote its with
Brake plunger lid 16 to the direction of tripping spring 15 move, until movable friction plate 21 be not pressurized power restriction can by take turns side shell 6
Drive is freely rotated.When car needs to brake with parking, the hydraulic oil for releasing braking is released, tripping spring 15 can abrupt release bullet
Spring force, heads on brake plunger lid 16 and press against brake plunger ring 18 and move, until pressing movable friction plate 21 and static friction piece 20
Untill tight, movable friction plate 21 is not active due to being compacted, and takes turns side shell 6 and be connected thereto, and makes wheel side shell 6 static not accordingly
It is dynamic, the whole transfixion of wheel hem retarding mechanism 1 is driven, braking effect is realized.
Described brake shell 14 is provided with keyhole, keyhole provided with abrasion indicating arm 23, the one of abrasion indicating arm 23
End is enclosed in keyhole, and the other end of abrasion indicating arm 23 is connected with brake plunger lid 16.
Abrasion indicating arm 23 on brake can indicate the situation of safe handling, can pass through the outer end of indicating arm 23 of wearing and tearing
Show out the change mark abrasion condition of the length of adjusting nut.Such as, if wearing and tearing what the outer face of indicating arm 23 was exposed with respect to keyhole
Distance is less than setting value, then illustrates that brake bush could be used after must changing.
Described oil sealing 17 is O-ring, and O-ring is provided with wear ring, and brake shell 14 and the inner side of brake cap 19 are corresponding
Position is provided with seal groove, and O-ring, wear ring are arranged in seal groove.
The sealing of brake uses O-ring and wear ring fitted seal, and O-ring is put into brake shell 14 and brake cap
In the seal groove of 19 inner sides, then wear ring is put on surface.
When brake plunger ring 18 is moved, 2 road O-rings head on 2 road wear rings and contacted with brake plunger ring 18, not only
Sealing effectiveness is protruded, and O-ring is also protected well, is unlikely to be moved back and forth by brake piston ring 18 and damages, make O-ring
Service life improve, the sealing effectiveness of brake is more preferable.It is wear-resisting that O-ring of other 2 road in the inner side of brake cap 19 heads on 2 roads
Ring is contacted with the madial wall of brake plunger ring 18, plays cooling oil sealing function.The sealing of this 4 road forms brake chamber and cooling chamber
Individual cavity, is effectively controlled brake inside oil temperature height, solves oil temperature height influence braking effect, and friction disc wear is serious
The problem of, overcome that brake apparatus service life is shorter and the high defect of use and maintenance cost.
Compared with prior art, prominent beneficial effect is above-described embodiment：
Axle housing 5 uses cast steel casting, and rigidity is good, carrying is big；Braking point is placed on wheel side shell 6, makes movable friction plate
Relative rotation speed reduction between 21 and static friction piece 20, reaches a quarter of the braking rotating speed of sun gear 13, therefore, greatly drop
Low frictional force between movable friction plate 21 and static friction piece 20, improves the service life of friction disc device, reduces to each zero
The processing technology of part and the requirement of assembly technology；Reached simultaneously using sealing on brake shell 14 and brake plunger ring 18
It is divided into the oil pocket of two difference in functionalitys, braking oil pocket and cooling oil chamber in an oil pocket by sealing, greatly reduction system
Dynamic device makes brake overheating because of frequent braking, the drawback such as braking effect is not good, improves braking effect, brake under frequently braking
Internal structure is more compact；Using full-closed structure, make not influenceed by weather and environment during work
Due to the foregoing is only embodiment of the present utility model, but protection not limited to this of the present utility model,
Any those skilled in the art it is contemplated that the equivalent change of the technical program technical characteristic or replacement, all cover
Within protection domain of the present utility model.
Claims (4)
1. a kind of scraper wet-type braking driving axle, including wheel hem retarding mechanism, wet brake, semiaxis, main driving assembly, bridge
Shell, it is characterised in that：Described wet brake, which is provided with brake shell, brake shell, is provided with tripping spring, brakes bullet
One end of spring is against on the madial wall of shell, and the other end of tripping spring is against the surface of brake plunger lid, and tripping spring makes
Piston cap is pressed on brake plunger ring, and brake plunger ring is arranged between brake shell and brake cap, and brake is lived
Plug ring is provided with oil sealing, and brake cap is connected static friction piece, and static friction piece correspondence position is provided with movable friction plate, brake cap
Outside, which is provided with link slot, link slot, installs floating seal；Brake shell is provided with tank filler sleeve, spill port and steam vent；Institute
The wheel hem retarding mechanism stated is provided with planetary gear, and planetary gear is fixed on planetary wheel carrier by planet wheel spindle；Sun gear is fixed on half
On axle, sun wheel drive planetary gear and planetary wheel carrier are rotated around sun gear, and planetary wheel carrier is bolted on wheel side shell,
Planetary wheel carrier driven wheel side shell is rotated.
2. scraper wet-type braking driving axle according to claim 1, it is characterised in that：Set on described brake shell
Have provided with abrasion indicating arm in keyhole, keyhole, one end of abrasion indicating arm is enclosed in keyhole, the other end and system of the indicating arm that weares and teares
Actuator piston lid is connected.
3. scraper wet-type braking driving axle according to claim 1, it is characterised in that：On described wheel hem retarding mechanism
Wheel side shell external splines be connected with the movable friction plate internal spline inside wet brake, wheel side wet braking assembly pass through it is hollow
Axle and stud are fixed on axle housing, and main driving assembly is fixed on axle housing by stud；Wheel hem retarding mechanism and master
Coupled between drive assembly by semiaxis.
4. scraper wet-type braking driving axle according to claim 1, it is characterised in that：Described oil sealing is O-ring, O
Type circle is provided with relevant position on the inside of wear ring, brake shell and brake cap and is provided with seal groove, and O-ring, wear ring are arranged on
In seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720110673.1U CN206446579U (en) | 2017-02-06 | 2017-02-06 | A kind of scraper wet-type braking driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720110673.1U CN206446579U (en) | 2017-02-06 | 2017-02-06 | A kind of scraper wet-type braking driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206446579U true CN206446579U (en) | 2017-08-29 |
Family
ID=59667653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720110673.1U Withdrawn - After Issue CN206446579U (en) | 2017-02-06 | 2017-02-06 | A kind of scraper wet-type braking driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206446579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740745A (en) * | 2017-02-06 | 2017-05-31 | 莱州亚通重型装备有限公司 | A kind of scraper wet-type braking driving axle |
| CN115257817A (en) * | 2022-08-29 | 2022-11-01 | 珠海骏驰科技有限公司 | Unmanned transverse control method and device and storage medium |
-
2017
- 2017-02-06 CN CN201720110673.1U patent/CN206446579U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106740745A (en) * | 2017-02-06 | 2017-05-31 | 莱州亚通重型装备有限公司 | A kind of scraper wet-type braking driving axle |
| CN115257817A (en) * | 2022-08-29 | 2022-11-01 | 珠海骏驰科技有限公司 | Unmanned transverse control method and device and storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20230609 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170829 Effective date of abandoning: 20230609 |