CN2656237Y - Ground leveling motor vehicle wheel wet type multipiece brake - Google Patents
Ground leveling motor vehicle wheel wet type multipiece brake Download PDFInfo
- Publication number
- CN2656237Y CN2656237Y CN 200320112208 CN200320112208U CN2656237Y CN 2656237 Y CN2656237 Y CN 2656237Y CN 200320112208 CN200320112208 CN 200320112208 CN 200320112208 U CN200320112208 U CN 200320112208U CN 2656237 Y CN2656237 Y CN 2656237Y
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- China
- Prior art keywords
- terminal pad
- piston
- gear
- ringed
- interior
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- Expired - Fee Related
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Abstract
The utility model provides a leveler wheel wet multi-plate brake, characterized in that a wheel shaft is fixedly equipped with an inner hub gear which rotates with the wheel shaft together, the inner hub gear is sleeved with a ringed friction plate with the gear shape matched, a drum shaped shaft connection disc inner cylinder surface which is fixedly equipped on a balance box and is coaxial with the wheel shaft is equipped with corresponding inner gear, the inner gear is sleeved with a ringed steel plate of which the outer edge and the inner gear are matched, the ringed steel plate and the ringed friction plate are alternatively and assembly arrayed, one end of the alternatively and assembly arrayed ringed steel plate and the ringed friction plate is equipped with a press disc and a fixing clamp ring, the other end is equipped with a tightly pressed piston and a sealing end cover. The utility model has the advantages of no affluence by the environment, stable and reliable brake performance, free from adjustment and long service life, thereby bringing users great convenience, meanwhile saving plenty of maintenance fees.
Description
Technical field
The utility model relates to a kind of drg of vehicle wheels, especially a kind of road grader wheel wet multi-disk brake.
Background technology
The wheel of road grader is generally installed shoe brake and caliper disk brake at present.The structure of shoe brake is by 2 rest pins two arc brake shoe brake cheek to be installed on back-plate, and non-metal friction plate is equipped with in the brake shoe brake cheek outer end, and the friction lining outside is the braking hub with wheel revolutions, and two brake shoe brake cheek inboards are equipped with and are driven the oil cylinder that brake shoe brake cheek separates.Glancing impact, hydraulic oil cylinder driving two brake shoe brake cheek separate and are pressed on the braking hub, form braking.This braking model poor-performing, friction disc wear is serious, need often to adjust and change, so service expenditure is higher.Caliper disk brake is the geometrical clamp jaw type, and its structure is that brake disc and wheel hub are one and with wheel revolutions, and the clamp that has two pairs of pistons is fixed on the terminal pad.Glancing impact, pressure oil promotes piston, and piston promotes friction lining, presses to the brake disc two sided simultaneously, forms the gesture of clamp, produces braking.Because this areal of friction facing is little, compressive load per unit area is bigger, thereby operating temperature is higher, and fragile friction lining in addition, because no shell protection is easily polluted by dust, sand grains, influences braking effect.
Summary of the invention
The utility model provides a kind of deceleration and stopping performance reliable for solving the technical matters that exists in the known technology, the road grader wheel wet multi-disk brake that need not to keep in repair.
The technical scheme that the utility model is taked for the technical matters that exists in the solution known technology is:
A kind of road grader wheel wet multi-disk brake, by an end be installed in axletree in the tandem-driving bogie, be installed in hub gear in the braking on the axletree, be installed in the tandem-driving bogie outside the axle terminal pad, be installed in the piston of friction lining on the terminal pad and steel disc and braking and the pull back spring of piston reset formed, the hub gear is that an external cylindrical surface is shaped on straight-toothed interior hub gear in the described braking, several ring-shaped friction lining of suit and its profile of tooth coupling on the interior hub gear; Described axle terminal pad is tubular and communicates with tandem-driving bogie inside, in be shaped on the interior cylindrical straight gear circle coaxial with interior hub gear, the interior suit of interior cylindrical straight gear circle and its profile of tooth coupling and several ring-type steel discs of arranging with the friction lining alternate combinations are equipped with the platen of steel disc and the collar of axial restraint platen on the axle terminal pad of the steel disc that accompanies friction lining one side of arranging; Described piston is an interior and annular piston coaxial with steel disc of axle terminal pad that is installed in the opposite side of arranging steel disc, a ring-shaped step is arranged on the external cylindrical surface of piston, be shaped on plunger shaft that has the step inner cylinder face and pressure oil input port thereof in the axle terminal pad with piston profile face of cylinder coupling, on the axle terminal pad end face of plunger shaft port, the end cap that is sleeved on the axletree is installed also, has the through hole that is communicated with plunger shaft pressure oil input port on the end cap; Described pull back spring is several, and their end is distributed on respectively on the annular piston inner peripheral surface, and the other end is distributed on the rubbing surface of end cover.
Advantage and the good effect that the utlity model has are: because hub is made the interior hub gear that friction lining can be installed in will braking, the axle terminal pad is made the internally toothed annulus that steel disc can be installed, and the friction lining of arranging in alternate combinations and steel disc one side are equipped with and compress annular piston, and the inner chamber of drg is communicated with tandem-driving bogie fluid, thereby form a wet multi-disk brake, make brake, braking more reliable, sensitive, and heat radiation and cooling performance are arranged preferably; In addition, the axle terminal pad is equipped with closed end cap, makes the not affected by environment and pollution of its inner each part, has exempted and having safeguarded and adjustment, thereby prolonged service life greatly and saved service expenditure.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
For further understanding summary of the invention of the present utility model, characteristics and effect, enumerate following examples now, and conjunction with figs. is described in detail as follows:
See also Fig. 1, axletree 9 one ends are installed in the tandem-driving bogie, and the other end is equipped with and wheel bonded assembly wheel hub 7.Be fixed with the interior hub gear 3 that therewith rotates on axletree 9, the outside cylinder profile of tooth of interior hub gear 3 is a straight-tooth.Be slidingly fitted with several friction linings 4 on interior hub gear 3, the outside cylinder profile of tooth of the internal tooth of friction lining 4 and interior hub gear 3 is complementary, and as spline, interior hub gear 3 drives friction lining 4 and can rotate together.Lateral surface at tandem-driving bogie is equipped with the tubular axle terminal pad 1 coaxial with axletree, terminal pad is inner to communicate with tandem-driving bogie, drg is communicated with the fluid of tandem-driving bogie, cylindrical straight gear circle 14 on the inner periphery of axle terminal pad 1, being shaped on, be slidingly fitted with several steel discs 2 in the interior cylindrical straight gear circle 14 of axle terminal pad, the external tooth shape of steel disc 2 is complementary with the internal tooth profile of tooth of axle terminal pad, and arrange with the friction lining alternate combinations, on the internal diameter of the axle terminal pad inboard of steel disc 2 that alternate combinations is arranged and friction lining 4 one sides, platen 11 and collar 10 are installed also, on the internal diameter of the axle terminal pad 1 of the opposite side of steel disc that alternate combinations is arranged and friction lining, be shaped on the plunger shaft 15 of ring shaped step, the annular piston 6 that cylinder has the ring shaped step shape is installed in the plunger shaft, be processed with the twice groove on two external cylindrical surfaces of piston, V-shaped seal ring 8 all is housed in it.The outside at the axle terminal pad 1 of tubular is closed with end cap 12, and end cap is an one with an axle terminal pad bolt, and end cap central bore also is equipped with the bearing 16 of supporting wheel axle.Be connected with the pull back spring 5 that makes piston reset between piston and the end cap, on the end cap of axle terminal pad end face, also have the pressure oil input port through hole 17 that is communicated with plunger shaft 15.
Principle of work:
When road grader travelled, hub gear and friction lining rotated together in axletree drove, and axle terminal pad and steel disc are motionless; Work as glancing impact, hydraulic oil enters plunger shaft from the pressure oil input port, promote piston and press to steel disc, thereby the pressing friction sheet is realized braking; When stopping glancing impact, the stop solution Pressure oil feeder, piston is return under the effect of pull back spring, and hydraulic oil flows out by the pressure hydraulic fluid port, and friction lining is released out, and can recover to rotate.
Claims (1)
1. road grader wheel wet multi-disk brake, by an end be installed in axletree in the tandem-driving bogie, be installed in hub gear in the braking on the axletree, be installed in the tandem-driving bogie outside the axle terminal pad, be installed in the piston of friction lining on the terminal pad and steel disc and braking and the pull back spring of piston reset formed, it is characterized in that: the hub gear is that an external cylindrical surface is shaped on straight-toothed interior hub gear in the described braking, several ring-shaped friction lining of suit and its profile of tooth coupling on the interior hub gear; Described axle terminal pad is tubular and communicates with tandem-driving bogie inside, in be shaped on the interior cylindrical straight gear circle coaxial with interior hub gear, the interior suit of interior cylindrical straight gear circle and its profile of tooth coupling and several ring-type steel discs of arranging with the friction lining alternate combinations are equipped with the platen of steel disc and the collar of axial restraint platen on the axle terminal pad of the steel disc that accompanies friction lining one side of arranging; Described piston is an interior and annular piston coaxial with steel disc of axle terminal pad that is installed in the opposite side of arranging steel disc, a ring-shaped step is arranged on the external cylindrical surface of piston, be shaped on plunger shaft that has the step inner cylinder face and pressure oil input port thereof in the axle terminal pad with piston profile face of cylinder coupling, on the axle terminal pad end face of plunger shaft port, the end cap that is sleeved on the axletree is installed also, has the through hole that is communicated with plunger shaft pressure oil input port on the end cap; Described pull back spring is several, and their end is distributed on respectively on the annular piston inner peripheral surface, and the other end is distributed on the rubbing surface of end cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112208 CN2656237Y (en) | 2003-11-14 | 2003-11-14 | Ground leveling motor vehicle wheel wet type multipiece brake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320112208 CN2656237Y (en) | 2003-11-14 | 2003-11-14 | Ground leveling motor vehicle wheel wet type multipiece brake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2656237Y true CN2656237Y (en) | 2004-11-17 |
Family
ID=34344599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320112208 Expired - Fee Related CN2656237Y (en) | 2003-11-14 | 2003-11-14 | Ground leveling motor vehicle wheel wet type multipiece brake |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2656237Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010012150A1 (en) * | 2008-07-30 | 2010-02-04 | 无锡开普动力有限公司 | Braking device for driving axle |
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| CN104632944A (en) * | 2015-01-06 | 2015-05-20 | 徐州徐工筑路机械有限公司 | Wet brake for land leveler rear axle |
-
2003
- 2003-11-14 CN CN 200320112208 patent/CN2656237Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010012150A1 (en) * | 2008-07-30 | 2010-02-04 | 无锡开普动力有限公司 | Braking device for driving axle |
| CN102975579A (en) * | 2011-09-06 | 2013-03-20 | 日立建机株式会社 | Travel drive device for dump truck |
| CN102975579B (en) * | 2011-09-06 | 2016-04-27 | 日立建机株式会社 | The running driving device of tip car |
| CN104632944A (en) * | 2015-01-06 | 2015-05-20 | 徐州徐工筑路机械有限公司 | Wet brake for land leveler rear axle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |