CN101348109B - Braking device of drive axle - Google Patents
Braking device of drive axle Download PDFInfo
- Publication number
- CN101348109B CN101348109B CN2008100215258A CN200810021525A CN101348109B CN 101348109 B CN101348109 B CN 101348109B CN 2008100215258 A CN2008100215258 A CN 2008100215258A CN 200810021525 A CN200810021525 A CN 200810021525A CN 101348109 B CN101348109 B CN 101348109B
- Authority
- CN
- China
- Prior art keywords
- platen
- friction lining
- main friction
- main
- brake
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
- B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
- B60T1/06—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels
- B60T1/062—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting otherwise than on tread, e.g. employing rim, drum, disc, or transmission or on double wheels acting on transmission parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/043—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel
- B60K17/046—Transmission unit disposed in on near the vehicle wheel, or between the differential gear unit and the wheel with planetary gearing having orbital motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/02—Fluid pressure
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2121/00—Type of actuator operation force
- F16D2121/14—Mechanical
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2123/00—Multiple operation forces
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2125/00—Components of actuators
- F16D2125/18—Mechanical mechanisms
- F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
- F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
- F16D2125/28—Cams; Levers with cams
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (AREA)
Abstract
The invention relates to a brake device used for an engineering vehicle driving bridge, in particular to a wet-typed multi-sheet brake which is used on the engineering vehicle driving bridge; the brake device mainly comprises a motor end cover, a piston, a large friction plate, an auxiliary friction device, a main friction device and a planetary gear reducer; the motor end cover is axially provided with the piston; the main friction device and the auxiliary friction device are matched with each other; the motor end cover is fixedly connected with the planetary gear reducer; the piston is internally sleeved by a first pressing disc; a second pressing disc and the large friction plate are embedded inside the planetary gear reducer by the tooth tip which is arranged on the external circumference thereof; the fixed disc is axially fixed inside the internal tooth ring of the planetary gear reducer. The brake device of the invention integrates a running brake system and a stopping brake system and has simple, safe and reliable structure; the auxiliary friction device brakes firstly and drives the main friction device to brake subsequently; the braking is carried out from interior to the exterior, the braking force changes from small force to large force; the braking is stable and soft.
Description
Technical field
The present invention relates to a kind of brake equipment of engineering truck drive axle, specifically the wet multi-disk brake that uses on the engineering truck drive axle.
Background technology
The wet multi-disk brake that uses on the engineering truck drive axle generally is used for service brake, and it mainly is made up of brake casing, brake piston, friction lining, friction disc etc.The friction disc of plurality of fixed and the interlaced arrangement of the friction lining of rotation are installed in the leak free brake casing that is filled with cooling oil.When the needs service brake, enter into drg from the brake solution of master brake cylinder, brake piston just compresses staggered friction disc and the friction lining of installing, and makes the friction lining of rotation be subjected to friction force and slows down until stopping operating, and reaches the purpose of braking.This kind drg glancing impact, friction disc and friction lining directly compress, and brake not steadily, impact big.In addition, also need to be provided with and establish Parking Brake in addition, thereby make brake system complexity, cost height.
Summary of the invention
The objective of the invention is to overcome above-mentioned weak point, thereby a kind of brake equipment of drive axle is provided, this brake equipment braking is steady, soft, and service brake and braking during standstill are fused, and is safe and reliable.
According to technical scheme provided by the invention, it mainly comprises electric motor end cap, piston, big friction lining; Feature is: piston axially is set in the described electric motor end cap, suit first platen in the described piston, between described second platen and first platen big friction lining is set, the engagement that matches of main friction gear and secondary friction gear, described reaction plate is axially fixed in the epicyclic reduction gear, and electric motor end cap is captiveed joint with epicyclic reduction gear.
Described first platen is a cylinder, and an end is provided with two boss on the cylinder, and the other end is provided with flange, has three grooves on the described flange, is provided with through hole in the groove.The shell of described electric motor end cap is provided with shift fork.
Described second platen is to have the hollow disk that protrudes axle journal, and the outside face of described axle journal is provided with spline, and inside face is provided with spline.
Described secondary friction gear comprises secondary friction lining, secondary friction disc, and described secondary friction lining endoporus is provided with keyway, and secondary friction disc excircle is provided with crown, and the braking gear ring is equipped with in the outside of secondary friction disc, and the braking gear ring is by the back-up ring axial location.
Described main friction gear comprises the 3rd platen, the second main friction lining, the first main friction lining and main friction disc, and described the 3rd platen is to be provided with the hollow disk that protrudes axle journal, and the outside face of described axle journal is provided with spline, and the inside face of its axle journal is provided with spline; The second main friction lining is arranged between the 3rd platen and the main friction disc, and the first main friction lining is arranged between main friction disc and the reaction plate; The endoporus of described main friction disc is provided with keyway, the engagement that matches of the spline of the keyway of main friction disc endoporus and the 3rd platen axle journal.
The excircle of the described first main friction lining, the second main friction lining is respectively equipped with crown, the engagement that matches of the crown of the described second main friction lining, the first main friction lining and the internally toothed annulus of epicyclic reduction gear.
Between the disk of the disk of described the 3rd platen and second platen endplay is set.
Described secondary friction lining, secondary friction disc, the first main friction lining, second main friction lining 4, the first main friction disc be respectively arranged with two the cover or two the cover more than.
Compared with the prior art the present invention has the following advantages:
1, the shift fork among the present invention, first platen, big friction lining, second platen, secondary friction gear, main friction gear and reaction plate are formed emergency brake system; Piston, first platen, big friction lining, second platen, secondary friction gear, main friction gear and reaction plate are formed service braking system; Service braking system and emergency brake system are integrated, and be simple in structure, safe and reliable;
2, secondary friction gear braking earlier drives main friction gear braking again, braking from inside to outside, and braking force changes from small to big, and brakes steady, soft.
Description of drawings
Fig. 1 is the structure cutaway view of running condition of the present invention.
Fig. 2 is the structure cutaway view of the epicyclic reduction gear among Fig. 1.
Fig. 3 is the structure cutaway view of the electric motor end cap part among Fig. 1, comprising diff and brake equipment.
Fig. 4 is the outside drawing of Fig. 3.
Fig. 5 is the A-A cutaway view among Fig. 4.
Fig. 6 cooperates scheme drawing for the shift fork among the present invention with first platen.
Fig. 7 is the shift fork schematic perspective view among Fig. 6.
Fig. 8 is the first platen schematic perspective view among Fig. 6.
Fig. 9 is the brake equipment three-dimensional exploded view in the embodiment of the invention.
The specific embodiment
Embodiment during following the present invention incites somebody to action in conjunction with the accompanying drawings is further described:
Fig. 1～shown in Figure 9 comprises drive axle 1, motor 2, diff 3, brake equipment 4, epicyclic reduction gear 5, sun wheel shaft 6, electric motor end cap 7, axle side gear 8, dividing plate 9, axle side gear 10, differential gear box 11, electric machine casing 12, motor shaft 13, transmission shaft 14, the first main friction linings 15, reaction plate 16, internally toothed annulus 17, caging bolt 18, the first platens 19, stop collar 20, big friction lining 21, the second platens 22, the three platens 23, the second main friction lining 24, main friction disc 25, back-up ring 26, braking gear ring 27, secondary friction lining 28, secondary friction disc 29, piston 30, shift fork 31, handle 32, shift fork end cap 33, adjustable bolt 34, adjustment nut 35, projection 36, boss 37, flange 38, cylinder 39, groove 40, through hole 41.
As shown in Figure 1, motor 2 is arranged in the middle part of drive axle 1, motor 2 and diff 3, epicyclic reduction gear 5 coaxial being linked in sequence.The electric machine casing 12 double housings of doing drive axle 1.Motor shaft 13 is hollow, and its inside is provided with transmission shaft 14.The right side of motor 2 is provided with electric motor end cap 7, and the housing of end cap 7 used as braking devices 4 is provided with dividing plate 9 in the end cap 7, and dividing plate 9 is divided into two chambers with end cap 7, and diff 3 and brake equipment 4 all are arranged in the lateral compartments of end cap 7.Have centre hole on the dividing plate 9, the bearing that passes on left of differential gear box 11 is bearing in this centre hole.The differential gear box 11 of the right-hand member of motor shaft 13 and diff 3 is connected by spline.Transmission shaft 14 ends of this side are connected with the axle side gear 10 of diff 3, and second half shaft gear 8 of this diff 3 is connected with the sun wheel shaft 6 of epicyclic reduction gear 5.Electric motor end cap 7 and epicyclic reduction gear 5 are integral by bolts assemblies.Epicyclic reduction gear 5 comprises internally toothed annulus 17.Be provided with brake equipment 4 between diff 3 and the epicyclic reduction gear 5.
As shown in Figure 3, described brake equipment 4 mainly is included in piston 30, first platen 19, big friction lining 21, second platen 22, secondary friction gear, main friction gear and the reaction plate 16 etc. that axial order is provided with.Piston 30 axially is set in electric motor end cap 7, and this piston 30 is connected with the hydraulic efficiency gear (not shown), can move vertically under the effect of hydraulic efficiency gear.The engagement that matches of main friction gear and secondary friction gear, electric motor end cap 7 and epicyclic reduction gear 5 are integral by bolted connection, suit first platen 19 in the described piston 30, between described second platen 22 and first platen 19 big friction lining 21 is set, described second platen 22 is entrenched in the internally toothed annulus 17 of epicyclic reduction gear 5 by the crown that is arranged on its excircle with big friction lining 21; Described reaction plate 16 is axially fixed in the internally toothed annulus 17 of epicyclic reduction gear 5.
As Fig. 4～shown in Figure 9, described first platen 19 is a cylinder 39, and an end of cylinder 39 is provided with two boss 37, and this boss 37 leans with the projection 36 of shift fork 31.Shift fork 31 is arranged on the shell of electric motor end cap 7 rotationally, and an end of shift fork 31 is fixed in the blind hole in the electric motor end cap 7, and its other end is fixed in the through hole of electric motor end cap 7 by shift fork end cap 33; This end of shift fork 31 also is equipped with handle 32; One end of handle 32 is provided with adjustable bolt 34 and adjustment nut 35, can adjust the rotational angle of handle 32 by adjustable bolt 34 and adjustment nut 35.Handle 32 rotates and drives shift fork 31 rotations, and the rotation of shift fork 31 can promote first platen 19 and move axially.The other end of the cylinder 39 of first platen 19 is provided with flange 38, this flange 38 cooperates with the end face of above-mentioned piston 30, have three grooves 40 on the flange 38, also have through hole 41 in the groove 40, stop collar 20 is installed in this through hole 41, caging bolt 18 passes stop collar 20 and is connected on the electric motor end cap 7, can adjust the axial displacement of first platen 19 by stop collar 20, caging bolt 18.
Described big friction lining 21 is entrenched in the internally toothed annulus 17 of epicyclic reduction gear 5 by the crown that is arranged on its excircle.
Described second platen 22 is for being provided with the hollow disk that protrudes axle journal, and the outside face of its axle journal is provided with spline, and the inside face of its axle journal is provided with spline, the engagement that matches of the spline of second platen, 22 axle journals and the spline of differential gear box 11.
Described secondary friction gear comprises back-up ring 26, braking gear ring 27, secondary friction lining 28, secondary friction disc 29, described secondary friction lining 28 endoporus are provided with keyway, secondary friction disc 29 excircles are provided with crown, and braking gear ring 27 is equipped with in the outside of secondary friction disc 29, and braking gear ring 27 is by back-up ring 26 axial location.The keyway of secondary friction lining 28 endoporus cooperates with the sun wheel shaft 6 of epicyclic reduction gear 5.
As Fig. 2～shown in Figure 3, described main friction gear comprises the 3rd platen 23, second main friction lining 24, first main friction lining 15 and the main friction disc 25; Described the 3rd platen 23 is for to have the hollow disk that protrudes axle journal, and the outside face of its axle journal is provided with spline, and the inside face of its axle journal is provided with spline.The crown of secondary friction disc 29 cooperates with the spline of the 3rd platen 23 axle journals.The spline fitted of the spline of the 3rd platen 23 axle journals and second platen, 22 axle journals.Between the disk of the disk of the 3rd platen 23 and second platen 22 endplay is set.The excircle of second main friction lining 24, the first main friction lining 15 is respectively equipped with crown, the engagement that matches of the crown of second main friction lining 24, the first main friction lining 15 and the internally toothed annulus 17 of epicyclic reduction gear 5.The second main friction lining 24 is arranged between the 3rd platen 23 and the main friction disc 25, and the first main friction lining 15 is arranged between main friction disc 25 and the reaction plate 16.The second main friction lining 24 is that both surface friction sheet, the first main friction lining 15 are the single-sided friction sheet.The endoporus of main friction disc 25 has keyway, the spline fitted of the keyway of main friction disc 25 endoporus and the 3rd platen 23 axle journals.Reaction plate 16 is axially fixed in the internally toothed annulus 17 of epicyclic reduction gear 5.
Be respectively arranged with two covers on secondary friction lining 28, secondary friction disc 29 and the second main friction lining 24, the main friction disc 25 or more than two covers.
Braking during standstill: when angle of handle 32 swings, drive and 31 swings of its fixing shift fork, the projection 36 of shift fork 31 and the boss 37 of first platen 19 lean, and promote first platen 19 and axially move right, and compress big friction lining 21, have reached the purpose of braking.When handle 32 sets back, by pull back spring, make first platen 19 to moving to left, braking force is eliminated.
Service brake: when the pedal brake pressing plate, brake press plate compresses the push rod of master brake cylinder, force the brake solution of master cylinder to flow out outward, enter the oil pocket of piston 30, force piston 30 to move right, and drive first platen 19 and move right and compress big friction lining 21, thereby reach the purpose of brake, when pin left brake press plate, the high pressure brake solution refluxed, and braking force is eliminated.
The characteristics of service brake of the present invention and braking during standstill are to brake from inside to outside, and braking force changes from small to big, brake soft, driver's operation safety, comfortable.
Concrete braking procedure is as follows: second platen 22 is connected with differential gear box 11, and differential gear box 11 drives 22 rotations of second platen, and by the connection of invoice serration, second platen 22 drives 23 rotations of the 3rd platen.On the other hand, the axle side gear in the differential gear box 11 8 drives sun wheel shaft 6.Invoice serration is processed in the centre of sun wheel shaft 6, is connected with secondary friction lining 28 female spliness that copper-based material or paper base material are made.And invoice serration is processed in secondary friction disc 29 outsides, and circle is processed in the inside, leave certain interval with spline place in the middle of the sun wheel shaft 6, and the spline of outside is connected with the female splines of the 3rd platen 23.The 3rd platen 23, secondary friction disc 29, secondary friction lining 28, secondary friction disc 29, secondary friction lining 28, secondary friction disc 29 cyclic overlaps have been constituted.
When piston 30, when first platen 19 moves, motor 2 has had a power failure, motor shaft 13 idle running, move by big friction lining 21, force second platen 22 also to move, second platen 22 and the 3rd platen 23 rotate simultaneously, but second platen 22 does not contact with the 3rd platen 23 sides, the secondary friction lining 28 of second platen 22 and secondary friction disc 29 are just fitted, 23 rotations of the 3rd platen have been driven, make second platen 22, the 3rd platen 23, secondary friction lining 28, secondary friction disc 29, sun wheel shaft 6 fuses, when 23 continuation of the 3rd platen are mobile, drive main friction lining 24, fit tightly between main friction disc 25 and the reaction plate 16, produced friction force, sun wheel shaft 6 is stopped operating, thereby reach the purpose of brake.
Claims (9)
1. the brake equipment of a drive axle mainly comprises electric motor end cap (7), piston (30), big friction lining (21); Piston (30) axially is set in the described electric motor end cap (7), interior suit first platen of described piston (30) (19), between second platen (22) and first platen (19) big friction lining (21) is set, the engagement that matches of main friction gear and secondary friction gear, reaction plate (16) is axially fixed in the epicyclic reduction gear (5), and electric motor end cap (7) is captiveed joint with epicyclic reduction gear (5); It is characterized in that: described first platen (19) is a cylinder (39), and cylinder (39) one ends are provided with boss (37), and the other end is provided with flange (38), and described flange (38) is provided with groove (40), is provided with through hole (41) in the groove (40).
2. the brake equipment of drive axle according to claim 1 is characterized in that the shell of described electric motor end cap (7) is provided with shift fork (31).
3. the brake equipment of drive axle according to claim 1 is characterized in that described second platen (22) for being provided with the hollow disk that protrudes axle journal, and the outside face of described axle journal is provided with spline, and inside face is provided with spline.
4. the brake equipment of drive axle according to claim 1, it is characterized in that described secondary friction gear comprises secondary friction lining (28), secondary friction disc (29), described secondary friction lining (28) endoporus is provided with keyway, secondary friction disc (29) excircle is provided with crown, and braking gear ring (27) is equipped with in the outside of described secondary friction disc (29).
5. the brake equipment of drive axle according to claim 1, it is characterized in that described main friction gear comprises the 3rd platen (23), the second main friction lining (24), the first main friction lining (15) and main friction disc (25), described the 3rd platen (23) is for being provided with the hollow disk that protrudes axle journal, the outside face of described axle journal is provided with spline, and the inside face of its axle journal is provided with spline; The second main friction lining (24) is arranged between the 3rd platen (23) and the main friction disc (25), and the first main friction lining (15) is arranged between main friction disc (25) and the reaction plate (16); The endoporus of described main friction disc (25) is provided with keyway, the engagement that matches of the spline of the keyway of main friction disc (25) endoporus and the 3rd platen (23) axle journal.
6. the brake equipment of drive axle according to claim 5, the excircle that it is characterized in that the described first main friction lining (15), the second main friction lining (24) is respectively equipped with crown, the engagement that matches of the crown of the described second main friction lining (24), the first main friction lining (15) and the internally toothed annulus (17) of epicyclic reduction gear (5).
7. the brake equipment of drive axle according to claim 5 is characterized in that between the disk of the disk of described the 3rd platen (23) and second platen (22) endplay being set.
8. the brake equipment of drive axle according to claim 4 is characterized in that described secondary friction lining (28), secondary friction disc (29) are set to two covers respectively or more than two covers.
9. the brake equipment of drive axle according to claim 5 is characterized in that the described first main friction lining (15), the second main friction lining (24), main friction disc (25) are set to two covers respectively or more than two covers.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100215258A CN101348109B (en) | 2008-07-30 | 2008-07-30 | Braking device of drive axle |
| PCT/CN2009/000575 WO2010012150A1 (en) | 2008-07-30 | 2009-05-25 | Braking device for driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100215258A CN101348109B (en) | 2008-07-30 | 2008-07-30 | Braking device of drive axle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101348109A CN101348109A (en) | 2009-01-21 |
| CN101348109B true CN101348109B (en) | 2010-10-06 |
Family
ID=40267130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100215258A Expired - Fee Related CN101348109B (en) | 2008-07-30 | 2008-07-30 | Braking device of drive axle |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101348109B (en) |
| WO (1) | WO2010012150A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101348109B (en) * | 2008-07-30 | 2010-10-06 | 无锡开普动力有限公司 | Braking device of drive axle |
| CN106740745B (en) * | 2017-02-06 | 2023-06-09 | 莱州亚通重型装备有限公司 | Wet braking drive axle of scraper |
| CN106828446B (en) * | 2017-02-23 | 2023-07-14 | 中国第一汽车股份有限公司 | Disc type central parking brake assembly |
| CN110972722B (en) * | 2019-10-25 | 2021-10-26 | 浙江亚特电器有限公司 | Garden tool |
| CN114370466B (en) * | 2022-01-21 | 2023-06-16 | 一汽解放汽车有限公司 | Intermediate shaft brake |
| CN114537044B (en) * | 2022-03-21 | 2023-08-22 | 浙江中柴机器有限公司 | Novel steering drive axle |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4646880A (en) * | 1985-11-29 | 1987-03-03 | Dana Corporation | Planetary wheel end with wet brake |
| CN1098173A (en) * | 1993-07-29 | 1995-02-01 | 山东矿业学院 | Braking device |
| CN2656237Y (en) * | 2003-11-14 | 2004-11-17 | 中外建发展股份有限公司 | Ground leveling motor vehicle wheel wet type multipiece brake |
| CN2861607Y (en) * | 2005-12-09 | 2007-01-24 | 安徽合力股份有限公司 | Wet-type brake driving bridge for small tonnage fork truck |
| CN201257956Y (en) * | 2008-07-30 | 2009-06-17 | 无锡开普动力有限公司 | Brake device of drive axle |
| CN101348109B (en) * | 2008-07-30 | 2010-10-06 | 无锡开普动力有限公司 | Braking device of drive axle |
-
2008
- 2008-07-30 CN CN2008100215258A patent/CN101348109B/en not_active Expired - Fee Related
-
2009
- 2009-05-25 WO PCT/CN2009/000575 patent/WO2010012150A1/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN101348109A (en) | 2009-01-21 |
| WO2010012150A1 (en) | 2010-02-04 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
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Granted publication date: 20101006 Termination date: 20170730 |
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