CN105221607A - A kind of wet brake with parking braking - Google Patents
A kind of wet brake with parking braking Download PDFInfo
- Publication number
- CN105221607A CN105221607A CN201510704102.6A CN201510704102A CN105221607A CN 105221607 A CN105221607 A CN 105221607A CN 201510704102 A CN201510704102 A CN 201510704102A CN 105221607 A CN105221607 A CN 105221607A
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- piston
- parking
- brake cylinder
- brake
- cylinder casing
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- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 230000003068 static effect Effects 0.000 claims description 28
- 235000009508 confectionery Nutrition 0.000 claims description 9
- 239000000203 mixture Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The invention discloses a kind of like this wet brake with parking braking, for the easy shortening spring working life that the wet brake solving the parking braking of existing band exists, increase the problem of maintenance expenses and larger potential safety hazard, the present invention takes described brake piston to comprise driving piston (7) and parking piston (8), it is T shape that parking piston (8) is arranged to axial cross section, parking piston (8) large end face and multiple spring contact, parking piston (8) small end face contacts with push pedal (6), the space of energy injection liquid force feed is left between the another side and brake cylinder casing (9) of parking piston (8) large end face, parking piston (8) is set with driving piston (7), the space of energy injection liquid force feed is left between driving piston (7) one end and brake cylinder casing (9), driving piston (7) the other end contacts with push pedal (6).
Description
Technical field
The present invention relates to a kind of break, particularly relate to a kind of wet brake of the band parking braking be made up of multiple movable friction plate, multiple static friction sheet, multiple spring, brake cylinder head, brake piston, brake cylinder casing, detent housing, core wheel and sleeve pipe.
Background technique
Disclose a kind of like this wet brake with parking braking in the market, its structural feature is: by multiple movable friction plate, multiple static friction sheet, multiple spring, brake cylinder head, brake piston, brake cylinder casing, detent housing, core wheel, semiaxis, axle tube and axle housing composition, movable friction plate, the alternate parallel arranged of static friction sheet, brake cylinder casing endoporus is provided with into profile of tooth spline, the cylindrical of static friction sheet is also provided with profile of tooth spline, static friction sheet is loaded on brake cylinder casing internal tooth form spline, make it be integrally formed, the external splines of movable friction plate profile of tooth spline endoporus and core wheel one end links into an integrated entity, the core wheel the other end is connected with axle housing with axle tube by semiaxis, the one end being placed in the brake piston in detent housing contacts with movable friction plate or static friction sheet, the other end of brake piston is contacted with brake cylinder head by multiple spring, described brake cylinder head is evenly equipped with multiple plug that can prevent cooling liquid seepage, described brake piston with the end face of spring contact is provided with multiple screw that can be corresponding with multiple plug on brake cylinder head.When vehicle motor damage can not work, only need unload lower end cap and screw on bolt, the threaded one end of tool on bolt is made to screw in screw corresponding on brake piston, screwing bolts again, just friction plate can be unclamped a bit, thus reach the object towed back to by the especially large-tonnage vehicle damaged and repair place.But, because multiple spring is contacted with movable friction plate or static friction sheet by brake piston, in use, the to-and-fro motion of brake piston all needs to make spring to follow suit fore and aft motion, thus shortens the working life of spring, easily increases maintenance expenses, meanwhile, potential safety hazard is also increased.
Summary of the invention
The object of this invention is to provide a kind of when vehicle motor damage can not work, open parking device by independently hydraulic system and the especially large-tonnage vehicle damaged is towed back to and repair place, meanwhile, the wet brake of the band parking braking in spring working life can be extended again.
For achieving the above object, a kind of wet brake with parking braking of the present invention, by multiple movable friction plate, multiple static friction sheet, multiple spring, brake cylinder head, brake piston, brake cylinder casing, detent housing, core wheel and sleeve pipe composition, movable friction plate, the alternate parallel arranged of static friction sheet, detent housing endoporus is provided with into profile of tooth spline, the cylindrical of static friction sheet is also provided with profile of tooth spline, static friction sheet is loaded on detent housing internal tooth form spline, make it be integrally formed, the external splines of movable friction plate profile of tooth spline endoporus and core wheel one end links into an integrated entity, the one end being placed in the brake piston in brake cylinder casing contacts with movable friction plate or static friction sheet, the other end of brake piston is contacted with end cap by multiple spring, described brake piston comprises driving piston and parking piston, parking piston being arranged to axial cross section is T shape, parking piston large end face and multiple spring contact, parking piston small end face contacts with push pedal, the space of energy injection liquid force feed is left between the another side and brake cylinder casing of parking piston large end face, parking piston is set with driving piston, the space of energy injection liquid force feed is left between driving piston one end and brake cylinder casing, the driving piston the other end contacts with push pedal.
Described brake cylinder casing bore area is arranged to axial cross section convexly, brake cylinder casing is respectively arranged with driving oil circuit and parking oil circuit, the oil inlet end of driving oil circuit and parking oil circuit is provided with the screw installing driving oil circuit connecting rod and parking oil circuit connecting rod.
The detent housing end face be connected with described brake cylinder casing is provided with concave surface, makes between itself and brake cylinder casing end face, to form the space being convenient to push pedal activity.
The end cap be connected with described brake cylinder casing is respectively arranged with and is convenient to install the hole of oil circuit connecting rod and parking oil circuit connecting rod of driving a vehicle.
Described brake cylinder head is provided with the screw installing adjusting screw rod, for regulating movable friction plate or static friction sheet; Described brake cylinder head is also provided with the screw installing hold-down bolt, for compressing push pedal, promotes parking piston and spring is pushed down, facilitating trailer to pull a cart.
Sweet seal is provided with between described brake cylinder casing and driving piston.
Sweet seal is provided with between described brake cylinder casing and parking piston.
Sweet seal is provided with between described driving piston and parking piston.
The one side of described push pedal is arranged to convex surface, should installs convex surface facing movable friction plate or static friction sheet.
After adopting this structure, because described brake piston comprises driving piston and parking piston, parking piston being arranged to axial cross section is T shape, parking piston large end face and multiple spring contact, parking piston small end face contacts with push pedal, the space of energy injection liquid force feed is left between the another side and brake cylinder casing of parking piston large end face, parking piston is set with brake piston, leave the space of energy injection liquid force feed between brake piston one end and brake cylinder casing, the brake piston the other end contacts with push pedal.Complete respective action by two oil circuit, double-piston, thus reduce the flexible number of times of spring, reach the especially large-tonnage vehicle damaged to be towed back to and repair place, the object in spring working life can be extended again.
accompanying drawing explanationbelow in conjunction with drawings and Examples, the present invention is described in further detail.
Accompanying drawing 1 is the main cross-sectional schematic of a kind of wet brake with parking braking of the present invention.
Accompanying drawing 2 is main cross-sectional schematic of a kind of wet brake adjustment state with parking braking of the present invention.
In figure: 1. core wheel 2. sleeve pipe 3. hold-down bolt 4. brake cylinder head 5. detent housing 6. push pedal 7. piston 8. parking piston 9. brake cylinder casing 10. of driving a vehicle is driven a vehicle oil circuit connecting rod 11. end cap 12. parking oil circuit connecting rod 13. adjusting screw rod.
embodimenta kind of wet brake with parking braking of the present invention shown in accompanying drawing 1, by multiple movable friction plate, multiple static friction sheet, multiple spring, brake cylinder head 4, brake piston, brake cylinder casing 9, detent housing 5, core wheel 1 and sleeve pipe 2 form, movable friction plate, the alternate parallel arranged of static friction sheet, detent housing 5 endoporus is provided with into profile of tooth spline, the cylindrical of static friction sheet is also provided with profile of tooth spline, static friction sheet is loaded on detent housing 5 internal tooth form spline, make it be integrally formed, the external splines of movable friction plate profile of tooth spline endoporus and core wheel 1 one end links into an integrated entity, the one end being placed in the brake piston in brake cylinder casing 9 contacts with movable friction plate or static friction sheet, the other end of brake piston is contacted with end cap 11 by multiple spring, described brake piston comprises driving piston 7 and parking piston 8, parking piston 8 being arranged to axial cross section is T shape, parking piston 8 large end face and multiple spring contact, parking piston 8 small end face contacts with push pedal 6, the space of energy injection liquid force feed is left between the another side and brake cylinder casing 9 of parking piston 8 large end face, parking piston 8 is set with driving piston 7, the space of energy injection liquid force feed is left between driving piston 7 one end and brake cylinder casing 9, driving piston 7 the other end contacts with push pedal 6.
Described brake cylinder casing 9 bore area is arranged to axial cross section convexly, brake cylinder casing 9 is respectively arranged with driving oil circuit and parking oil circuit, the oil inlet end of driving oil circuit and parking oil circuit is provided with the screw installing driving oil circuit connecting rod 10 and parking oil circuit connecting rod 12.
Detent housing 5 end face be connected with described brake cylinder casing 9 is provided with concave surface, makes to form the space being convenient to push pedal 6 activity between itself and brake cylinder casing 9 end face.
The end cap 11 be connected with described brake cylinder casing 9 is respectively arranged with and is convenient to install the hole of oil circuit connecting rod 10 and parking oil circuit connecting rod 12 of driving a vehicle.
Described brake cylinder head 4 is provided with the screw installing adjusting screw rod 13, for regulating movable friction plate or static friction sheet; Described brake cylinder head 4 is also provided with the screw installing hold-down bolt 3, for compressing push pedal 6, promotes parking piston 8 and spring is pushed down, facilitating trailer to pull a cart.
Sweet seal is provided with between described brake cylinder casing 9 and driving piston 7.
Sweet seal is provided with between described brake cylinder casing 9 and parking piston 8.
Sweet seal is provided with between described driving piston 7 and parking piston 8.
The one side of described push pedal 6 is arranged to convex surface, should installs convex surface facing movable friction plate or static friction sheet.
Claims (9)
1. the wet brake with parking braking, by multiple movable friction plate, multiple static friction sheet, multiple spring, brake cylinder head, brake piston, brake cylinder casing, detent housing, core wheel and sleeve pipe composition, movable friction plate, the alternate parallel arranged of static friction sheet, detent housing endoporus is provided with into profile of tooth spline, the cylindrical of static friction sheet is also provided with profile of tooth spline, static friction sheet is loaded on detent housing internal tooth form spline, make it be integrally formed, the external splines of movable friction plate profile of tooth spline endoporus and core wheel one end links into an integrated entity, the one end being placed in the brake piston in brake cylinder casing contacts with movable friction plate or static friction sheet, the other end of brake piston is contacted with end cap by multiple spring, it is characterized in that: described brake piston comprises driving piston (7) and parking piston (8), it is T shape that parking piston (8) is arranged to axial cross section, parking piston (8) large end face and multiple spring contact, parking piston (8) small end face contacts with push pedal (6), the space of energy injection liquid force feed is left between the another side and brake cylinder casing (9) of parking piston (8) large end face, parking piston (8) is set with driving piston (7), the space of energy injection liquid force feed is left between driving piston (7) one end and brake cylinder casing (9), driving piston (7) the other end contacts with push pedal (6).
2. a kind of wet brake with parking braking according to claim 1, it is characterized in that: described brake cylinder casing (9) bore area is arranged to axial cross section convexly, brake cylinder casing (9) is respectively arranged with driving oil circuit and parking oil circuit, the oil inlet end of driving oil circuit and parking oil circuit is provided with the screw installing driving oil circuit connecting rod (10) and parking oil circuit connecting rod (12).
3. a kind of wet brake with parking braking according to claim 1, it is characterized in that: on detent housing (5) end face be connected with described brake cylinder casing (9), be provided with concave surface, make to be formed between itself and brake cylinder casing (5) end face and be convenient to the movable space of push pedal (6).
4. a kind of wet brake with parking braking according to claim 1, is characterized in that: be respectively arranged with on the end cap (11) be connected with described brake cylinder casing (9) and be convenient to install the hole of oil circuit connecting rod (10) and parking oil circuit connecting rod (12) of driving a vehicle.
5. a kind of wet brake with parking braking according to claim 1, is characterized in that: on described brake cylinder head (4), be provided with the screw installing adjusting screw rod (13), for regulating movable friction plate or static friction sheet; Described brake cylinder head (4) is also provided with the screw installing hold-down bolt (3), for compressing push pedal (6), promotes parking piston (8) and spring is pushed down, facilitating trailer to pull a cart.
6. a kind of wet brake with parking braking according to claim 1, is characterized in that: between described brake cylinder casing (9) and driving piston (7), be provided with sweet seal.
7. a kind of wet brake with parking braking according to claim 1, is characterized in that: between described brake cylinder casing (9) and parking piston (8), be provided with sweet seal.
8. a kind of wet brake with parking braking according to claim 1, is characterized in that: between described driving piston (7) and parking piston (8), be provided with sweet seal.
9. a kind of wet brake with parking braking according to claim 1, is characterized in that: the one side of described push pedal (6) is arranged to convex surface, should install convex surface facing movable friction plate or static friction sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704102.6A CN105221607A (en) | 2015-10-27 | 2015-10-27 | A kind of wet brake with parking braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510704102.6A CN105221607A (en) | 2015-10-27 | 2015-10-27 | A kind of wet brake with parking braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105221607A true CN105221607A (en) | 2016-01-06 |
Family
ID=54990768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510704102.6A Pending CN105221607A (en) | 2015-10-27 | 2015-10-27 | A kind of wet brake with parking braking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105221607A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286630A (en) * | 2016-10-19 | 2017-01-04 | 徐州科源液压股份有限公司 | Wheel limit row parking one multi-sheet wet-type brake |
| CN107299946A (en) * | 2017-08-23 | 2017-10-27 | 龙岩文伍车桥制造有限公司 | A kind of wet multi-disc brake |
| CN108412915A (en) * | 2018-01-26 | 2018-08-17 | 山东临工工程机械有限公司 | Land leveller rear driving axle wet braking assembly |
| CN114623174A (en) * | 2022-03-08 | 2022-06-14 | 龙岩文伍车桥制造有限公司 | Wet brake with three braking functions |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58211030A (en) * | 1982-06-01 | 1983-12-08 | Komatsu Ltd | Multi-plate brake device for vehicle |
| US6543222B1 (en) * | 1999-07-27 | 2003-04-08 | Poclain Hydraulics Industrie | Braking system for braking a rotor relative to a stator |
| CN2707583Y (en) * | 2004-05-12 | 2005-07-06 | 长沙航空工业中南传动机械厂 | Closed brake drive axle |
| CN101571171A (en) * | 2009-06-05 | 2009-11-04 | 安徽合力股份有限公司 | Multifunctional wet brake for forkman driving bridge |
| CN101603573A (en) * | 2009-06-19 | 2009-12-16 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet multi-disc brake |
| US20100263969A1 (en) * | 2007-11-08 | 2010-10-21 | Agco Gmbh | Brake for a utility vehicle |
| CN203594713U (en) * | 2013-12-02 | 2014-05-14 | 武汉元丰汽车零部件有限公司 | Wet-type drive axle |
| CN204284256U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Picking-up vehicle double-action wet-type hydraulic brake |
-
2015
- 2015-10-27 CN CN201510704102.6A patent/CN105221607A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58211030A (en) * | 1982-06-01 | 1983-12-08 | Komatsu Ltd | Multi-plate brake device for vehicle |
| US6543222B1 (en) * | 1999-07-27 | 2003-04-08 | Poclain Hydraulics Industrie | Braking system for braking a rotor relative to a stator |
| CN2707583Y (en) * | 2004-05-12 | 2005-07-06 | 长沙航空工业中南传动机械厂 | Closed brake drive axle |
| US20100263969A1 (en) * | 2007-11-08 | 2010-10-21 | Agco Gmbh | Brake for a utility vehicle |
| CN101571171A (en) * | 2009-06-05 | 2009-11-04 | 安徽合力股份有限公司 | Multifunctional wet brake for forkman driving bridge |
| CN101603573A (en) * | 2009-06-19 | 2009-12-16 | 一拖(洛阳)开创装备科技有限公司 | Multifunctional wet multi-disc brake |
| CN203594713U (en) * | 2013-12-02 | 2014-05-14 | 武汉元丰汽车零部件有限公司 | Wet-type drive axle |
| CN204284256U (en) * | 2014-11-17 | 2015-04-22 | 上海宇意机械有限公司 | Picking-up vehicle double-action wet-type hydraulic brake |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106286630A (en) * | 2016-10-19 | 2017-01-04 | 徐州科源液压股份有限公司 | Wheel limit row parking one multi-sheet wet-type brake |
| CN107299946A (en) * | 2017-08-23 | 2017-10-27 | 龙岩文伍车桥制造有限公司 | A kind of wet multi-disc brake |
| CN107299946B (en) * | 2017-08-23 | 2023-04-14 | 龙岩文伍车桥制造有限公司 | Wet-type polydisc stopper |
| CN108412915A (en) * | 2018-01-26 | 2018-08-17 | 山东临工工程机械有限公司 | Land leveller rear driving axle wet braking assembly |
| CN114623174A (en) * | 2022-03-08 | 2022-06-14 | 龙岩文伍车桥制造有限公司 | Wet brake with three braking functions |
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| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20160106 |