CN109707766A - A kind of wet brake preventing venthole bleed - Google Patents
A kind of wet brake preventing venthole bleed Download PDFInfo
- Publication number
- CN109707766A CN109707766A CN201910165773.8A CN201910165773A CN109707766A CN 109707766 A CN109707766 A CN 109707766A CN 201910165773 A CN201910165773 A CN 201910165773A CN 109707766 A CN109707766 A CN 109707766A
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- brake
- friction plate
- end cap
- venthole
- telophragma
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Abstract
A kind of wet brake preventing venthole bleed, including wheel hub, brake casing, hollow spindle, brake piston, elastic component, sealing ring, movable friction plate, static friction plate and telophragma；Multiple bearings are provided on the periphery of hollow spindle；Brake casing is mounted on the periphery of wheel hub；Telophragma is arranged between outer end cap and inner end cap；Telophragma is internally provided with venthole；Installation bin is formed between telophragma, outer end cap and inner end cap；Brake piston is arranged inside installation bin；Installation bin is separated into braking oil sump and seal chamber by brake piston；Multiple groups are arranged in parallel in static friction plate；Movable friction plate is interspersed between the static friction plate being disposed adjacent；The present invention by the way that multiple through-holes are arranged on the outer peripheral surface of brake piston, when brake work long hours generation containing oil vapour can under gravity from through hole enter braking oil sump in, formed closed loop cycle, to prevent venthole from oil leakage phenomenon occur.
Description
Technical field
The present invention relates to brake technical field more particularly to a kind of wet brakes for preventing venthole bleed.
Background technique
Traditional wet brake is braked using high pressure piston.Such structure in brake operation, always will appear from
At ventilation mouth while outlet, be accompanied with oil vacuole or subtle oil stream, and as the time increases, near brake gas outlet and
Obvious oil liquid trace is formed on entire brake casing body.Even if connecting hose at brake gas outlet, increase venthole
Highly, brake inside oil liquid can not be prevented to emerge from the gas outlet.Braking oil liquid damage in brake can be made by working long hours
It loses, oily wretched insufficiency in brake eventually leads to the friction disc wear seriously brake fade in brake.
To solve the above problems, proposing a kind of wet brake for preventing venthole bleed in the application.
Summary of the invention
It can make to brake oil liquid loss in brake to solve to exist in background technique to work long hours, oil is serious in brake
Deficiency eventually leads to that friction disc wear in brake is serious the technical issues of brake fade, and the present invention proposes that one kind prevents
The wet brake of venthole bleed, by the way that multiple through-holes are arranged on the outer peripheral surface of brake piston, when brake long-time work
That makees to generate can enter in braking oil sump from through hole under gravity containing oil vapour, closed loop cycle be formed, thus anti-
Only there is oil leakage phenomenon in venthole.
The technical solution adopted by the present invention is that: a kind of wet brake preventing venthole bleed, including wheel hub, brake
Shell, hollow spindle, brake piston, elastic component, sealing ring, movable friction plate, static friction plate and telophragma；
Multiple bearings are provided on the periphery of hollow spindle；Wheel hub is connect with bearing；
Brake casing is mounted on the periphery of wheel hub；Brake casing includes outer end cap and inner end cap, and telophragma is arranged outside
Between end cap and inner end cap；
Telophragma is internally provided with venthole；Installation bin is formed between telophragma, outer end cap and inner end cap；
Brake piston is arranged inside installation bin；Installation bin is separated into braking oil sump and seal chamber by brake piston；Brake oil sump
It is connected by pipeline with outer brake fuel tank；Seal chamber is connected by pipeline with braking fuel tank；The outer peripheral surface of brake piston
On be provided with several through-holes；Seal chamber is connected to by through-hole with braking oil sump；
One end of elastic component is arranged on brake piston, and the other end of elastic component is connect with outer end cap；
Static friction plate and movable friction plate are arranged in seal chamber；Multiple groups are arranged in parallel in static friction plate, and static friction plate passes through spline
It is connect with telophragma；Movable friction plate is interspersed between the static friction plate being disposed adjacent, and movable friction plate is connect by spline with wheel hub.
Preferably, movable friction plate and static friction plate are suppressed using graphite and resin high temperature.
Preferably, sealing ring is provided between wheel hub and brake casing.
Preferably, the locating part of several protrusions is provided on the outer peripheral surface of brake piston.
Compared with the prior art, the invention has the advantages that: movable friction plate is mounted between static friction plate, passes through spline
It is connected with wheel hub, is rotated together with wheel hub, when brake pedal unclamps, brake oil pushes brake piston to be directed away from movable friction plate
Side do exercises, the elastic component made is in impaction state；Movable friction plate and static friction plate are unclamped, vehicle operation；Work as braking
The brake oil that oil sump is braked when pedal is stepped on is flowed back to by pipeline in external braking fuel tank, and brake piston is in elastic component at this time
Under effect, compresses kinematics and static friction piece and vehicle is made to generate braking action；
Brake piston, movable friction plate, static friction plate and telophragma form the seal chamber of relative closure, and seal chamber passes through pipeline and system
Dynamic fuel tank is connected；Seal chamber and braking oil sump isolation；After brake is braked for a long time, kinematics and static friction piece is generated big
The brake oil in seal chamber that the heat of amount makes evaporates to be formed containing oil vapour；Since there is one between brake piston and telophragma
Fixed gap；It can enter in venthole from gap location containing oil vapour and reveal, cause oil leakage phenomenon；
The present invention is provided with multiple through-holes on brake piston；After leaking out containing oil vapour from gap location, under gravity
In the inner cavity that the through-hole being arranged on brake piston enters brake piston, brake piston and braking oil sump 13 are connected, and oil-containing steams
Vapour is finally mixed with the brake oil in braking oil sump；Again when brake pedal, the brake oil braked in oil sump can be flowed back into
It brakes in fuel tank, what is made carries out closed loop cycle containing oil vapour；It completely avoids emerging containing oil vapour from venthole, effectively prevent
The loss of brake oil guarantees cooling and lubrication of the oil liquid to friction plate of sufficient amount, improves the reliability of brake.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the wet brake proposed by the present invention for preventing venthole bleed.
Fig. 2 is that signal is amplified in the work of top half in the wet brake proposed by the present invention for preventing venthole bleed
Figure.
Fig. 3 is at movable friction plate and static friction plate in the wet brake proposed by the present invention for preventing venthole bleed
Enlarged structure schematic diagram.
Fig. 4 is the structural schematic diagram of the brake piston in the wet brake proposed by the present invention for preventing venthole bleed.
Appended drawing reference:
1, wheel hub；2, sealing ring；3, brake casing；301, inner end cap；302, outer end cap；4, static friction plate；5, movable friction plate；
6, telophragma；7, brake piston；8, elastic component；9, bearing；10, hollow spindle；11, through-hole；12, venthole；13, brake oil
Pond；14, seal chamber；15, locating part.
Specific embodiment
In order to make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment and join
According to attached drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright range.In addition, in the following description, descriptions of well-known structures and technologies are omitted, to avoid this is unnecessarily obscured
The concept of invention.
As shown in Figs 1-4, a kind of wet brake preventing venthole bleed proposed by the present invention, including wheel hub 1, braking
Device shell 3, hollow spindle 10, brake piston 7, elastic component 8, sealing ring 2, movable friction plate 5, static friction plate 4 and telophragma 6；
Multiple bearings 9 are provided on the periphery of hollow spindle 10；Wheel hub 1 is connect with bearing 9；
Brake casing 3 is mounted on the periphery of wheel hub 1；Brake casing 3 includes outer end cap 302 and inner end cap 301, telophragma
6 are arranged between outer end cap 302 and inner end cap 301；
Telophragma 6 is internally provided with venthole 12；Installation bin is formed between telophragma 6, outer end cap 302 and inner end cap 301；
Brake piston 7 is arranged inside installation bin；Installation bin is separated into braking oil sump 13 and seal chamber 14 by brake piston 7；System
Dynamic oil sump 13 is connected by pipeline with outer brake fuel tank；Seal chamber 14 is connected by pipeline with outer brake fuel tank；System
Several through-holes 11 are provided on the outer peripheral surface of piston 7；Seal chamber 14 is connected to by through-hole 11 with braking oil sump 13；
One end of elastic component 8 is arranged on brake piston 7, and the other end of elastic component 8 is connect with outer end cap 302；
Static friction plate 4 and movable friction plate 5 are arranged in seal chamber 14；Multiple groups are arranged in parallel in static friction plate 4, and static friction plate 4 is logical
Spline is crossed to connect with telophragma 6；Movable friction plate 5 is interspersed between the static friction plate 4 being disposed adjacent, and movable friction plate 5 passes through spline
It is connect with wheel hub 1.
In an alternative embodiment, movable friction plate 5 and static friction plate 4 are suppressed using graphite and resin high temperature.
In an alternative embodiment, sealing ring 2 is provided between wheel hub 1 and brake casing 3；Sealing ring 2 can be with
Water stain wait of dust is reduced to enter inside brake casing 3.
In an alternative embodiment, the locating part 15 of several protrusions is provided on the outer peripheral surface of brake piston 7；Limit
Position part 15 can limit scope of activities of the brake piston 7 in installation bin, prevent brake piston 7 from shaking and excessive impact braking
Effect.
In the present invention, movable friction plate 5 is mounted between static friction plate 4, is connected by spline with wheel hub 1, with wheel hub 1
Rotation, when brake pedal unclamps, the side that brake oil pushes brake piston 7 to be directed away from movable friction plate 5 is done exercises, and is made
Elastic component 8 is in impaction state；Movable friction plate 5 and static friction plate 4 are unclamped, vehicle operation；The brake oil when brake pedal is stepped on
The brake oil in pond 13 is flowed back to by pipeline in external braking fuel tank, and brake piston 7 compresses under the action of elastic component 8 at this time
Kinematics and static friction piece and make vehicle generate braking action；
Brake piston 7, movable friction plate 5, static friction plate 4 and telophragma 6 form the seal chamber 14 of relative closure, and seal chamber 14 passes through
Pipeline is connected with braking fuel tank；Seal chamber 14 and braking oil sump 13 completely cut off；It is dynamic and static to rub after brake is braked for a long time
The brake oil in seal chamber 14 that a large amount of heat that pad generates makes evaporates to be formed containing oil vapour；Since brake piston 7 is in
There is certain gaps between disk 6；It can enter in venthole 12 from gap location containing oil vapour and reveal, cause oil leakage phenomenon
Occur；
Compared with prior art, multiple through-holes 11 are provided on brake piston 7；After leaking out containing oil vapour from gap location,
The through-hole 11 being arranged on brake piston 7 under the action of gravity enters in the inner cavity of brake piston 7, brake piston 7 and system
Dynamic oil sump 13 is connected, and finally mixes with the brake oil in braking oil sump 13 containing oil vapour；Again when brake pedal, brake oil
Brake oil in pond 13 can flow back into braking fuel tank, and what is made carries out closed loop cycle containing oil vapour；It completely avoids containing oil vapour
It emerges from venthole 12, effectively prevents the loss of brake oil, guarantee cooling and lubrication of the oil liquid to friction plate of sufficient amount, mention
The high reliability of brake.
It should be understood that above-mentioned specific embodiment of the invention is used only for exemplary illustration or explains of the invention
Principle, but not to limit the present invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.In addition, appended claims purport of the present invention
Covering the whole variations fallen into attached claim scope and boundary or this range and the equivalent form on boundary and is repairing
Change example.
Claims (4)
1. a kind of wet brake for preventing venthole bleed, which is characterized in that including wheel hub (1), brake casing (3), sky
Heart main shaft (10), brake piston (7), elastic component (8), sealing ring (2), movable friction plate (5), static friction plate (4) and telophragma
(6)；
Multiple bearings (9) are provided on the periphery of hollow spindle (10)；Wheel hub (1) is connect with bearing (9)；
Brake casing (3) is mounted on the periphery of wheel hub (1)；Brake casing (3) includes outer end cap (302) and inner end cap
(301), telophragma (6) is arranged between outer end cap (302) and inner end cap (301)；
Telophragma (6) is internally provided with venthole (12)；Shape between telophragma (6), outer end cap (302) and inner end cap (301)
At installation bin；
Brake piston (7) is arranged inside installation bin；Installation bin is separated into braking oil sump (13) and seal chamber by brake piston (7)
(14)；Braking oil sump (13) is connected by pipeline with outer brake fuel tank；Seal chamber (14) passes through pipeline and outer brake oil
Case is connected；Several through-holes (11) are provided on the outer peripheral surface of brake piston (7)；Through-hole (11) is by seal chamber (14) and brakes
Oil sump (13) connection；
One end of elastic component (8) is arranged on brake piston (7), and the other end of elastic component (8) is connect with outer end cap (302)；
Static friction plate (4) and movable friction plate (5) are arranged in seal chamber (14)；Multiple groups are arranged in parallel in static friction plate (4), quiet to rub
Pad (4) is connect by spline with telophragma (6)；Movable friction plate (5) is interspersed between the static friction plate (4) being disposed adjacent, and is moved
Friction plate (5) is connect by spline with wheel hub (1).
2. the wet brake according to claim 1 for preventing venthole bleed, which is characterized in that movable friction plate (5) with
And static friction plate (4) is suppressed using graphite and resin high temperature.
3. the wet brake according to claim 1 for preventing venthole bleed, which is characterized in that wheel hub (1) and braking
Sealing ring (2) are provided between device shell (3).
4. the wet brake according to claim 1 for preventing venthole bleed, which is characterized in that brake piston (7)
The locating part (15) of several protrusions is provided on outer peripheral surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165773.8A CN109707766A (en) | 2019-03-06 | 2019-03-06 | A kind of wet brake preventing venthole bleed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910165773.8A CN109707766A (en) | 2019-03-06 | 2019-03-06 | A kind of wet brake preventing venthole bleed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109707766A true CN109707766A (en) | 2019-05-03 |
Family
ID=66266236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910165773.8A Pending CN109707766A (en) | 2019-03-06 | 2019-03-06 | A kind of wet brake preventing venthole bleed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109707766A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332260A (en) * | 2019-08-12 | 2019-10-15 | 湖北康晨安宝矿业设备有限责任公司 | A kind of preceding bridge row stays a detent |
| CN111365388A (en) * | 2020-05-28 | 2020-07-03 | 莱州亚通重型装备有限公司 | Cooling system of wet brake |
| CN112128274A (en) * | 2020-04-20 | 2020-12-25 | 中国北方车辆研究所 | Multi-phase fluid medium composite cooling brake |
| CN110594320B (en) * | 2019-08-15 | 2021-05-11 | 襄阳彼勒液压机械有限公司 | Wet brake with parking brake |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204003761U (en) * | 2014-08-22 | 2014-12-10 | 宁波陈氏鑫光气动有限公司 | A kind of gas brake cylinder |
| CN106015396A (en) * | 2016-07-06 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Traveling and parking integrated braking device for automobile |
| CN106704420A (en) * | 2017-03-30 | 2017-05-24 | 西安科技大学 | Eccentric shaft type wet multi-disc brake |
| CN206290612U (en) * | 2016-11-29 | 2017-06-30 | 徐州科源液压股份有限公司 | A kind of and gearbox integration-in-one multi-sheet wet-type EPB |
| CN206409554U (en) * | 2016-12-28 | 2017-08-15 | 龙岩文伍车桥制造有限公司 | The adjustable wet brake of parking braking can be released |
| CN206754242U (en) * | 2017-03-30 | 2017-12-15 | 西安科技大学 | A kind of eccentric shaft type wet multi-disc brake |
-
2019
- 2019-03-06 CN CN201910165773.8A patent/CN109707766A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204003761U (en) * | 2014-08-22 | 2014-12-10 | 宁波陈氏鑫光气动有限公司 | A kind of gas brake cylinder |
| CN106015396A (en) * | 2016-07-06 | 2016-10-12 | 中车戚墅堰机车车辆工艺研究所有限公司 | Traveling and parking integrated braking device for automobile |
| CN206290612U (en) * | 2016-11-29 | 2017-06-30 | 徐州科源液压股份有限公司 | A kind of and gearbox integration-in-one multi-sheet wet-type EPB |
| CN206409554U (en) * | 2016-12-28 | 2017-08-15 | 龙岩文伍车桥制造有限公司 | The adjustable wet brake of parking braking can be released |
| CN106704420A (en) * | 2017-03-30 | 2017-05-24 | 西安科技大学 | Eccentric shaft type wet multi-disc brake |
| CN206754242U (en) * | 2017-03-30 | 2017-12-15 | 西安科技大学 | A kind of eccentric shaft type wet multi-disc brake |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110332260A (en) * | 2019-08-12 | 2019-10-15 | 湖北康晨安宝矿业设备有限责任公司 | A kind of preceding bridge row stays a detent |
| CN110594320B (en) * | 2019-08-15 | 2021-05-11 | 襄阳彼勒液压机械有限公司 | Wet brake with parking brake |
| CN112128274A (en) * | 2020-04-20 | 2020-12-25 | 中国北方车辆研究所 | Multi-phase fluid medium composite cooling brake |
| CN112128274B (en) * | 2020-04-20 | 2022-04-19 | 中国北方车辆研究所 | Multi-phase fluid medium composite cooling brake |
| CN111365388A (en) * | 2020-05-28 | 2020-07-03 | 莱州亚通重型装备有限公司 | Cooling system of wet brake |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190503 |
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| RJ01 | Rejection of invention patent application after publication |