CN108412915A - Land leveller rear driving axle wet braking assembly - Google Patents

Land leveller rear driving axle wet braking assembly Download PDF

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Publication number
CN108412915A
CN108412915A CN201810077843.XA CN201810077843A CN108412915A CN 108412915 A CN108412915 A CN 108412915A CN 201810077843 A CN201810077843 A CN 201810077843A CN 108412915 A CN108412915 A CN 108412915A
Authority
CN
China
Prior art keywords
bearing
detent housing
driving axle
rear driving
land leveller
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.)
Withdrawn
Application number
CN201810077843.XA
Other languages
Chinese (zh)
Inventor
卞维展
尹永伟
李成龙
于见华
薛汉明
郑慧慧
王磊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shandong Lingong Construction Machinery Co Ltd
Original Assignee
Shandong Lingong Construction Machinery Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shandong Lingong Construction Machinery Co Ltd filed Critical Shandong Lingong Construction Machinery Co Ltd
Priority to CN201810077843.XA priority Critical patent/CN108412915A/en
Publication of CN108412915A publication Critical patent/CN108412915A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/24—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with a plurality of axially-movable discs, lamellae, or pads, pressed from one side towards an axially-located member
    • 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
    • F16D65/00—Parts or details
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • 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
    • F16D65/00—Parts or details
    • F16D65/78—Features relating to cooling
    • F16D65/84—Features relating to cooling for disc brakes
    • F16D65/853—Features relating to cooling for disc brakes with closed cooling system
    • 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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D2055/0004—Parts or details of disc brakes
    • F16D2055/0033—Fully-enclosing housings
    • 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
    • F16D2121/04—Fluid pressure acting on a piston-type actuator, e.g. for liquid pressure
    • 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
    • F16D2125/02—Fluid-pressure mechanisms
    • F16D2125/08—Seals, e.g. piston seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a kind of land leveller rear driving axle wet braking assemblies, belong to braking system field.It includes drive shaft, end cap, detent housing, active friction plate, driven friction disk, bearing A, rectangular seal A, splined hub, rectangular seal B, piston, bearing B, hydraulic fluid port, detent housing is connected on the driving shaft by bearing A with bearing B respectively with end cap, setting piston, active friction plate, driven friction disk in detent housing, splined hub connects active friction plate, active friction plate and the alternate arrangement of driven friction disk by spline；It is sealed by rectangular seal A and rectangular seal B between detent housing and the piston and forms closed braking vessel, detent housing is equipped with hydraulic fluid port, hydraulic fluid port connection braking vessel.The present invention is used in land leveller rear driving axle product, and with perfect heat-dissipating, service life is long, reliability is high, compact-sized, and the advantage that the ability for coping with harsh environments is strong.

Description

Land leveller rear driving axle wet braking assembly
Technical field
The invention belongs to a kind of engineering machinery brake apparatus, specifically, more particularly to a kind of land leveller rear driving axle use Wet braking assembly.
Background technology
Currently, generally using dry type pincers disk or drum-type system in the six-wheel grader rear driving axle product used on domestic market Dynamic device, brake body are constantly exposed to outside, are easily stained with the pollutants such as sludge, influence braking effect；Wet braking due to With water resistance, braking ability is stable, is not necessarily to the series of advantages such as adjustment, long lifespan, good heat dissipation effect, has become large size A kind of developing direction of mode of braking of engineering machinery.Lack that a kind of reliability is high, compact-sized, manufacturing cost is low in the prior art Wet brake.
Invention content
It is an object of the present invention to provide a kind of land leveller rear driving axle wet braking assemblies, are lacked in the prior art with overcoming A kind of high, compact-sized, the low wet brake of manufacturing cost the defect of reliability.
Realization that the present invention adopts the following technical solutions：
The land leveller rear driving axle wet braking assembly, including drive shaft, end cap, detent housing, active friction Piece, driven friction disk, bearing A, rectangular seal A, splined hub, rectangular seal B, piston, bearing B, hydraulic fluid port, the drag housing Body is connected on the driving shaft by bearing A with bearing B respectively with end cap, setting piston in the detent housing, active friction plate, Driven friction disk, the splined hub connect active friction plate, active friction plate and the alternate arrangement of driven friction disk by spline；Institute It states to be sealed by rectangular seal A and rectangular seal B between detent housing and the piston and forms closed braking vessel, it is described Detent housing is equipped with hydraulic fluid port, hydraulic fluid port connection braking vessel, and rectangular seal A and rectangular seal B are suitble to move back and forth, can It effectively prevent distorting, and the groove occupied is smaller, keeps structure compacter.
Guide pin is equipped between the end cap, detent housing, the guide pin is equipped with return spring, return spring effect In the side of piston, when input pressure reduces, return spring pushes piston positive return.
The bearing A and bearing B is taper roll bearing.
The end cap and detent housing both ends are sealed using box-type oil seal so that brake strip group is bathed in gear In oil.
The box-type oil seal is sleeved on oil-sealing sleeve.
The end cap and the detent housing junction are equipped with sealing ring.
The detent housing is equipped with Ventilated cap.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) present invention uses sealing structure, brake strip group to be bathed in gear oil, perfect heat-dissipating, and copes with and dislike The ability of bad working environment is strong；
(2) good braking environment of the invention makes the opposite extension of friction plate service life；
(3) present invention have braking reliability is high, compact-sized, manufacturing cost is low, the big feature of braking moment；
(4) present invention is sealed using rectangle shape ring, and design makes it be kept fixed, and is suitble to move back and forth, can effectively be prevented Only distort.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the partial view at the braking vessel of the present invention；
Fig. 3 is the portions the I enlarged drawing of Fig. 1；
Fig. 4 is the portions the II enlarged drawing of Fig. 1.
In figure：1, sprocket wheel；2, box-type oil seal；3, drive shaft；4, end cap；5, detent housing；6, active friction plate；7, it breathes freely Cap；8, driven friction disk；9, bearing A；10, baffle ring；11, rectangular seal A；12, splined hub；13, rectangular seal B；14, living Plug；15, guide pin；16, return spring；17, sealing ring；18, bearing B；19, oil-sealing sleeve；20, splicing sleeve；21, round nut；22、 Hydraulic fluid port.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, land leveller rear driving axle wet braking assembly of the present invention, including sprocket wheel 1, boxlike Oil sealing 2, drive shaft 3, end cap 4, detent housing 5, active friction plate 6, Ventilated cap 7, driven friction disk 8, bearing A9, baffle ring 10, Rectangular seal A11, splined hub 12, rectangular seal B13, piston 14, guide pin 15, return spring 16, sealing ring 17, bearing B18, oil-sealing sleeve 19, splicing sleeve 20, round nut 21, hydraulic fluid port 22.Bearing A9 and bearing are installed between end cap 4 and drive shaft 3 B18, bearing A9 and bearing B18 are taper roll bearing, and piston 14 is equipped in detent housing 5, active friction plate 6, driven is rubbed Pad 8, splined hub 12 connect active friction plate 6,8 alternate arrangement of active friction plate 6 and driven friction disk by spline；The chain Splicing sleeve 20 is equipped between wheel 1 and drive shaft 3, round nut 21 is arranged in 3 one end of drive shaft.
Detent housing 5 is internally provided with sealed groove, and rectangular seal A11 and rectangular seal B13 are embedded, and keeps solid It is fixed；Between piston 14 and detent housing 5, is sealed by rectangle type sealing ring A11 and rectangular seal B13 and form confined space, i.e., Vessel is braked, detent housing 5 is equipped with hydraulic fluid port 22 and Ventilated cap 7, the connection braking vessel of hydraulic fluid port 22.It brakes vessel sealing and uses square Type sealing ring A11 and rectangular seal B13 is suitble to move back and forth, can effectively prevent distorting, and the groove occupied is smaller, makes Structure is compacter.
Guide pin 15 is equipped between end cap 4, detent housing 5, guide pin 15 is equipped with by end cap 4 and detent housing 5 Pin hole is fixed, and return spring 16 is cased on guide pin 15, and return spring 16 acts on the side of piston 14.
As shown in figure 3, end cap 4 and 5 both ends of detent housing are sealed using box-type oil seal 2, the box-type oil seal 2 is sleeved on On oil-sealing sleeve 19, as shown in figure 4, end cap 4 and 5 junction of detent housing are equipped with sealing ring 17.Box-type oil seal 2 and sealing ring 17 are used In forming enclosure space in end cap 4 and detent housing 5, active friction plate 6 and driven friction disk 8 is made to infiltrate always in confined air Between fluid in, make it have perfect heat-dissipating, and the advantage that the ability for coping with harsh environments is strong.
In conjunction with above-described embodiment, operation principle of the invention is：
It brakes fluid by hydraulic fluid port 22 to enter between piston 14 and detent housing 5, by rectangular seal A11 and rectangular seal Circle B13 is formed by confined space and generates certain pressure, makes piston 14 that driven friction disk 8, driven friction disk 8 be pushed axially Rubbing action is generated between the active friction plate 6 being connected by spline with splined hub 12, and splined hub 12 passes through spline and drive Moving axis 3 is connected to an entirety, to which the braking function to drive shaft 3 is played in rubbing action.It is uniformly distributed when input pressure reduces Return spring 16 between end cap 4 and piston 14 pushes piston 14 to force return, and driven friction disk 8 is made to be detached with piston 14.

Claims (7)

1. a kind of land leveller rear driving axle wet braking assembly, it is characterised in that：Including drive shaft (3), end cap (4), braking Shell (5), active friction plate (6), driven friction disk (8), bearing A (9), rectangular seal A (11), splined hub (12), rectangle Sealing ring B (13), piston (14), bearing B (18), hydraulic fluid port (22), the detent housing (5) and end cap (4) pass through bearing A respectively (9) be connected in drive shaft (3) with bearing B (18), setting piston (14) in the detent housing (5), active friction plate (6), Driven friction disk (8), the splined hub (12) connect active friction plate (6) by spline, active friction plate (6) and from dynamic friction The alternate arrangement of piece (8)；By rectangular seal A (11) and rectangular seal B between the detent housing (5) and the piston (14) (13) sealing forms closed braking vessel, and the detent housing (5) is equipped with hydraulic fluid port (22), and hydraulic fluid port (22) connection braking is held Chamber.
2. a kind of land leveller rear driving axle wet braking assembly according to claim 1, it is characterised in that：The end cap (4), guide pin (15) is equipped between detent housing (5), the guide pin (15) is equipped with return spring (16), return spring (16) side of piston (14) is acted on.
3. a kind of land leveller rear driving axle wet braking assembly according to claim 2, it is characterised in that：The bearing A (9) and bearing B (18) is taper roll bearing.
4. a kind of land leveller rear driving axle wet braking assembly according to claim 3, it is characterised in that：The end cap (4) it is sealed using box-type oil seal (2) with detent housing (5) both ends.
5. a kind of land leveller rear driving axle wet braking assembly according to claim 4, it is characterised in that：The boxlike Oil sealing (2) is sleeved on oil-sealing sleeve (19).
6. a kind of land leveller rear driving axle wet braking assembly according to claim 1-5 any one, feature exist In：The end cap (4) and the detent housing (5) junction are equipped with sealing ring (17).
7. a kind of land leveller rear driving axle wet braking assembly according to claim 6, it is characterised in that：The braking Shell (5) is equipped with Ventilated cap (7).
CN201810077843.XA 2018-01-26 2018-01-26 Land leveller rear driving axle wet braking assembly Withdrawn CN108412915A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810077843.XA CN108412915A (en) 2018-01-26 2018-01-26 Land leveller rear driving axle wet braking assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810077843.XA CN108412915A (en) 2018-01-26 2018-01-26 Land leveller rear driving axle wet braking assembly

Publications (1)

Publication Number Publication Date
CN108412915A true CN108412915A (en) 2018-08-17

Family

ID=63126239

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810077843.XA Withdrawn CN108412915A (en) 2018-01-26 2018-01-26 Land leveller rear driving axle wet braking assembly

Country Status (1)

Country Link
CN (1) CN108412915A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464590A (en) * 2021-06-23 2021-10-01 徐州徐工传动科技有限公司 Drive axle and engineering vehicle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080023275A1 (en) * 2006-07-28 2008-01-31 Team Industries, Inc. Wet brake system
JP2009108873A (en) * 2007-10-26 2009-05-21 Shin Nippon Wheel Industries Co Ltd Wet disc brake
JP2010096326A (en) * 2008-10-20 2010-04-30 Toyota Industries Corp Wet brake device
CN201991969U (en) * 2010-08-23 2011-09-28 山东临工工程机械有限公司 Wet-type brake hub reducer
CN103557253A (en) * 2013-10-09 2014-02-05 山东临工工程机械有限公司 Double-axis friction plate type brake clutch for planetary transmission with double-turbine torque converter
CN105221607A (en) * 2015-10-27 2016-01-06 龙岩文伍车桥制造有限公司 A kind of wet brake with parking braking
CN205064635U (en) * 2015-10-21 2016-03-02 浙江中柴机器有限公司 Automatic parking device of improved generation wet -type transaxle
CN205118054U (en) * 2015-10-13 2016-03-30 山东临工工程机械有限公司 Leveler is wet braking assembly for rear drive axle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080023275A1 (en) * 2006-07-28 2008-01-31 Team Industries, Inc. Wet brake system
JP2009108873A (en) * 2007-10-26 2009-05-21 Shin Nippon Wheel Industries Co Ltd Wet disc brake
JP2010096326A (en) * 2008-10-20 2010-04-30 Toyota Industries Corp Wet brake device
CN201991969U (en) * 2010-08-23 2011-09-28 山东临工工程机械有限公司 Wet-type brake hub reducer
CN103557253A (en) * 2013-10-09 2014-02-05 山东临工工程机械有限公司 Double-axis friction plate type brake clutch for planetary transmission with double-turbine torque converter
CN205118054U (en) * 2015-10-13 2016-03-30 山东临工工程机械有限公司 Leveler is wet braking assembly for rear drive axle
CN205064635U (en) * 2015-10-21 2016-03-02 浙江中柴机器有限公司 Automatic parking device of improved generation wet -type transaxle
CN105221607A (en) * 2015-10-27 2016-01-06 龙岩文伍车桥制造有限公司 A kind of wet brake with parking braking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113464590A (en) * 2021-06-23 2021-10-01 徐州徐工传动科技有限公司 Drive axle and engineering vehicle
CN113464590B (en) * 2021-06-23 2022-11-29 徐州徐工传动科技有限公司 Drive axle and engineering vehicle

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SE01 Entry into force of request for substantive examination
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WW01 Invention patent application withdrawn after publication
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Application publication date: 20180817