CN105317886A - Disc brake assembly and manufacturing method thereof - Google Patents
Disc brake assembly and manufacturing method thereof Download PDFInfo
- Publication number
- CN105317886A CN105317886A CN201410261640.8A CN201410261640A CN105317886A CN 105317886 A CN105317886 A CN 105317886A CN 201410261640 A CN201410261640 A CN 201410261640A CN 105317886 A CN105317886 A CN 105317886A
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- annular
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- plate
- piston
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 4
- 239000012530 fluid Substances 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims abstract description 8
- 238000000034 method Methods 0.000 claims description 7
- 239000002783 friction material Substances 0.000 claims description 4
- 230000006837 decompression Effects 0.000 claims 1
- 230000002441 reversible effect Effects 0.000 abstract 3
- 125000006850 spacer group Chemical group 0.000 description 13
- 238000005452 bending Methods 0.000 description 5
- 239000011195 cermet Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008045 co-localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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- Braking Arrangements (AREA)
Abstract
The invention relates to a disc brake assembly and a manufacturing method thereof. The disc brake assembly is provided with one or more rotor discs provided with annular friction surfaces and capable of performing axial movement, wherein the rotor discs are arranged between an annular piston in an annular pressure cavity in a housing and an annular reverse action plate attached and connected to the piston in the axial direction. A friction sheet is arranged on the reverse action plate and is further arranged on an annular reverse action disc located between the rotor discs and capable of performing axial movement. A positioning plate is arranged between the piston and the rotor discs, poppets capable of performing axial movement are arranged on the positioning plate, and each poppet is provided with a friction sheet for being in contact with the adjacent rotor discs. Springs on the poppets enable the poppet sheets, the rotor discs and the friction sheets to be axially biased together, and accordingly a required initial braking torque is provided. After a fluid pressure is exerted on a piston cavity, the housing enables the positioning plate to move so as to move the poppets, and accordingly the braking torque is released.
Description
Technical field
The present invention relates to the disc brake component with one or more rotating disc, described rotating disc has annular friction surface, against friction surface is for the stressed static friction plate/pad to rotating disc applying braking force.Especially, the present invention relates to the disk type braker of the type with brake strip, described brake strip is by spring actuated disconnect or start the torque on described dish with the annular friction surface contacted on rotor disk for what provide required braking force.Such disk type braker utilizes the annular piston in response to the hydrodynamic pressure applied in annular pressure chamber with this piston mobile vertically thus makes piston sheet from annular disk release and braking force therefore release dish.
Background technique
The disk type braker of the above-mentioned type is used for heavy-duty machine application, such as oil well drill pipe and surface mining equipment; And, in a particular application, can urgent brake be used as.An example of such break adopts the diameter and the disconnection of 5,578,000in-lbs (630,282 Ns of rice) or the rotor disk of starting torque with 50 inches (127cm).
See Fig. 6 and 7, friction plate has been arranged on pressure plate 1, and pressure plate 1 is fixed to the housing 2 forming annular pressure chamber 3 by spacer element 4 and bolt 5.The annular piston 6 be arranged in chamber 3 has the aperture be positioned slidably on spacer element 4.Pressure plate 1 has the aperture be received within slidably on spacer element 7; And piston 6 is fastened on annular static mounting plate 8 via the Peripheral-array of screw column 19 and locking nut 19a crossing spacer element 7, makes the pressurized with fluid in chamber cause housing and pressure plate 1 to move axially.Rotor disk 9,10 is received within drive hub 11 and spline joint moves axially about wheel hub 11 on spline 10 to allow described dish thereon, maintains simultaneously and engages with the rotating drive of wheel hub.Multiple retardation pressure spring 12 is arranged around piston 6 with Peripheral-array, and one end of each spring abuts piston 6, and the opposite end of each spring abuts pressure plate 1.In operation, when there is no hydrodynamic pressure in chamber 3, spring 12 upwardly pressure plate 1 and housing 2 to the left in figs. 6 and 7, thus the friction plate 14 be arranged on around rotor disk 9 is pressed against the annular friction of rotor on the surface, and make rotor disk 9 move to contact with the friction plate 15 be arranged on axially movable annular reaction plate 16, reaction plate 16 moves axially slidably on spacer element 7, but is limited by bolt 19 and spacer element 7 and can not rotate.Reaction plate 16 has the friction plate 17 be arranged on around it, friction plate 17 is forced to be pressed in annular friction on the second rotor disk 10 on the surface, second rotor disk 10 moves axially against the friction plate 18 be arranged on pressure plate 1, therefore whole friction plate is pressed against the detent torque also needed for generation on epitrochanterian whole friction surface.
In operation, when hydrodynamic pressure puts on chamber 3, housing 2 moves and pressure plate 1 is being moved up to the right, spring 12 is made to be pressed against on pressure plate 1, therefore friction plate 14,15,17,18 is discharged, movable platen 16, rotor disk 9,10, with the pressure on pressure plate 1, thus the braking maneuver on release rotor disk 9,10.
The break of above-mentioned prior art has the problem of radially-inwardly region generation cantilever type axial bending under the actuating of spring 12 of pressure plate 1 in service, the radially-inwardly part of pressure plate 1 is made along the left direction axial bending in Fig. 6 and 7, to cause braking force in the radially-inwardly region colocalization of rotor disk; Further, therefore, the initial detent torque being less than desired level is provided by brake engagement.Therefore, expect to provide a kind of Bending Influence eliminating the reaction member of disk type braker also thus the given design level by the power of spring action on friction plate to be realized to method or the means of the initial detent torque expected.
Summary of the invention
The invention provides a kind of disc brake component with one or more rotor disk, described rotor disk opposite side axially has annular friction surface, this dish is by moving vertically to rotatingshaft with spline joint.Toroidal shell has annular piston chamber, and annular piston is arranged in this chamber, to form fluid pressure chambers.Piston bolt is connected to actionless annular mounting plate and uses spacer element axially-spaced with it.Positioning plate is axially set between piston and adjacent rotor disk, and is wherein provided with multiple aperture circumferentially separated with radial direction.Be provided with the movable bracket/support (poppet) for the axial movement relative to aperture in each positioning plate aperture, each bracket have setting thereon, the friction surface of adjacent rotor disk.Each in bracket all by being arranged at spring between bracket and piston by bias voltage vertically, to make the friction surface on it against adjacent rotor disk; And, under spring force, the power of the friction surface on bracket makes rotor axial move with against friction plate, and friction plate is against rotor and the movable reaction plate between rotor disk and mounting plate (being bolted to piston), to produce braking maneuver.Bracket is maintained at the desired locations around adjacent rotor dish, but in addition can move freely a limited amount at axial direction under spring actuated.After introducing hydrodynamic pressure to fluid pressure chambers, housing and positioning plate move away mounting plate vertically; Further, after housing and positioning plate move further, bracket and the friction surface on it are thrown off with adjacent rotor and are contacted, and therefore, braking force is released.
Therefore, brake assembly of the present invention provides required starting braking force in the following way, namely, bracket is pushed against on rotor disk by spring respectively, and on the friction surface of rotor disk, provide uniform braking force thus, and have nothing to do with the bending of positioning plate, realize the initial detent torque expected thus.
Accompanying drawing explanation
Fig. 1 is the perspective view of disc brake component of the present invention;
Fig. 2 is the sectional view cut open along the section index line 2-2 of Fig. 1;
Fig. 3 is the sectional view cut open along the section index line 3-3 of Fig. 2, shows the positioning plate in planimetric map;
Fig. 4 is the zoomed-in view of a part of Fig. 2, shows the braking plate engaged with adjacent rotor on bracket;
Fig. 5 is the view similar to Fig. 4, shows the braking plate of throwing off with adjacent rotor on bracket;
Fig. 6 is a part for the sectional view similar to Fig. 2, shows the disc brake component of prior art;
Fig. 7 is the view similar to Fig. 2, for prior art disc brake component rotates the sectional view cut open from the sectional view of Fig. 6;
Fig. 8 a and 8b is plan view and the front view of another configuration of bracket of the present invention respectively;
Fig. 9 a and 9b is plan view and the front view of another configuration of bracket of the present invention respectively;
Figure 10 a and 10b is plan view and the front view of another configuration of bracket of the present invention respectively; And
Figure 11 a and 11b is plan view and the front view of the another configuration of bracket of the present invention respectively.
Embodiment
See Fig. 1-5, what disc brake component according to the present invention was total is designated as 20, and comprises the housing 22 with general toroidal structure, and inner circumference 24 size of housing 22 is set to allow the rotatingshaft of required diameter to pass in the mode with required gap.Housing 22 comprises the annular chamber 26 coordinating with annular piston disposed therein 31 and limit annular fluid pressure chambers 30.Chamber 30 has the multiple fluid pressure inlet 28 formed through housing 22.Piston 31 is sealed in annular chamber 26 by the seal ring 32 be applicable to around the radial outer periphery in chamber 26; Further, the radial inner circumference in chamber 26 is sealed around piston 22 by inner seal ring 34.
Annular piston 31 has multiple circumferentially spaced apart lug 36 extended radially outwardly circumferentially separated, and each lug has axis and runs through the aperture 38 wherein formed.
The static mounting plate of annular as reaction plate 40 is arranged to layout axially spaced with piston 31, and separated by tubular spacer 42 and piston 31, and being fastened to piston by the screw column 44 being connected to plate 40 through spacer element 42, one end, piston is fastening by thread lock nut 46 in screw column.Mounting plate 40 has the multiple mounting holes 41 circumferentially separated being arranged to contiguous excircle, and this hole makes mounting plate can be bolted to unshowned stationary support.
Axial float annular reaction plate 48 is arranged between annular mounting plate 40 and piston 31; Further, plate 48 have be formed at wherein arrange with the aperture 50 overlapped with the position of screw column 44 at intervals in the circumferential direction, can threadingly freely move axially by post 44.Plate 48 is by means of fastened through the screw column 44 in aperture 50 and can not rotate.
Axial float reaction plate 48 is arranged between a pair rotor disk 52,54, and each subtend axially in rotor disk has annular friction surface 56,58,60,62 respectively.Each in rotor 52,54 has wheel hub 64,66 respectively, and its inner spline that formed is connected for the driving of power transmission shaft 68; Further, coil 52,54 freely to move axially on splined shaft 68.
Annular mounting plate 40 has annular friction sheet, or alternately has thereon with multiple arcuate tab portions section that annular array is arranged, as identified by reference character 70, it is arranged for contacting the annular friction surface 56 on rotor 52; Further, sheet 70 is fastened to mounting plate 40 by fastening piece such as the screw 72 be applicable to.Axial float reaction plate 48 is fastened with the sheet 73 of an annular friction sheet or segmentation on an one axial vane surface, to contact the friction surface 58 of rotor disk 52.Being arranged on, the subtend of axial float reaction plate 48 is sheets 76 of another annular friction sheet or segmentation, and it is fastened on plate 48 by fastening piece such as the screw 78 be applicable to.Like this, sheet 76 is arranged to and friction surface 60 and rotor disk 54 rubbing contact.
Positioning plate 80 is axially set between rotor disk 54 and piston 31 and by the spacer element 82 of multiple circumferentially spaced and is anchored on wherein.Plate 80 is fastening by the bolt 84 through the aperture 86 be arranged in housing 22; Further, bolt passes each in spacer element 82 and threadingly engages in positioning plate 80.Positioning plate 80 has the aperture 88 of multiple circumferentially spaced, and aperture 88 circumferentially interval is arranged and is positioned to overlap with each in spacer element 42, and spacer element 42 can freely move axially in aperture 88.
See Fig. 2-5, positioning plate 80 has the additional array of orifices identified with reference character 90, and it to be arranged to from aperture 88 radially inwardly and circumferentially interval and to arrange.Each in aperture 90 is provided with bracket 92 wherein, and bracket extends axially through plate 80 in aperture 88, and each bracket is respectively arranged with maintenance flange 94,96 on the subtend of plate 80, on carriage end.Flange 94 is arranged to adjacent rotor disk 54 and is attached with friction surface on its axial face, and this friction surface is in the form of sheet 98 separately in the configuration shown in Figure 4 and 5, and sheet 98 is positioned to for ring shaped axial surface 62 rubbing contact with rotor disk 54.
See Fig. 5, positioning plate is depicted as the enough amount that moves right with the surface to the right causing the flange 96 on bracket 92 to abut plate 80, therefore limits the further movement of bracket in braking plate 98.Housing 22 and moving right further of positioning plate 80 cause bracket to make its friction surface be removed to position shown in Fig. 5 from panel surface 62 and discharge the whole retarding torques rotor disk.
See Fig. 8 a and 8b, total being designated as 192 and having body 197 of another configuration of bracket, this body has the flange 196 extended radially outward, and the lower surface being designated as this flange of 198 is suitable for the surface abutting positioning plate 80.Bracket 192 has the center cavity of counterbore 199 form, and it is suitable for an end of the one of receiving in braking preloaded spring 100 wherein.Bracket 192 has the end surfaces 100 of its body 197, and this end surfaces is formed as the friction surface become one with the body of bracket.In the present embodiment, bracket is integrally formed as one by the mixture of metal and pottery, ceramet or organic-type friction material.
See Fig. 9 a and 9b, total being designated as 292 and having flange 296 of another configuration of bracket of the present invention, flange has the configuration of rectangle, the same with the body 297 of bracket 292.The lower surface being designated the flange 296 of 298 is suitable for the surface contacting positioning plate 80.The rear surface 299 of cradle body 297 is configured to friction surface 299 and is integrally formed as one with cradle body 297 and flange 296.Bracket 292 has the center cavity of counterbore 200 form, receives bracket to brake the end of the one in preloaded spring 100 in this chamber.In the present embodiment, bracket 292 is formed by the cermet material of the desired characteristic providing friction surface 299.
See Figure 10 a and 10b, total being designated as 392 and having outward extending flange 396 of another configuration of bracket of the present invention, this flange has trapezoidal configuration, the same with the body 397 of bracket 392.Flange 396 has the lower surface 398 being suitable for the surface contacting positioning plate 80.Cradle body 397 has the rear surface being designated 399, and it is formed as the friction surface being integrally formed as with cradle body 397.Bracket 392 has setting chamber wherein or counterbore 400, for receiving an end of the one in braking preloaded spring 100 wherein.In the present embodiment, bracket 392 is integrally formed as one by providing the cermet material of the appropriate characteristics of friction surface 399.
See Figure 11 a and 11b, total being designated as 492 and having outward extending flange 496 of another configuration of bracket of the present invention, this flange has trapezoidal configuration, the same with body 497.Flange 496 has and is configured for contacting the surface of positioning plate 80 to limit the lower surface 498 of the motion of bracket.The rear surface being designated 499 of bracket 492 is configured to friction surface; Further, surface 499 is integrally formed as a component with the body of bracket 497 and flange 496.Bracket 492 have disposed therein be designated 500 multiple counterbore or chamber, bracket friction surface 499, for receiving each independent unloaded spring 100, is actuated to contact the surface 62 of rotor disk 54 in each counterbore or chamber.In the present embodiment, bracket 492 is integrally formed as a component by cermet material.
In operation, brake spring 100 actuates bracket 92 left until braking plate 98 contacts the surface 62 of rotor disk 54 along the axis in Fig. 4.Rotor disk 54 and then move vertically on axle 68, causes the friction plate 76 on the annular friction surface 60 contact axial float reaction plates 48 on rotor 54.Like this, reaction plate 48 is actuated to cause the brake strip 73 on it to contact annular friction surface 58 on rotor 52 left, this so cause rotor 52 to move vertically, cause the brake pad 70 on the f pictional surface contacts mounting plate 40 on it, on rotor disk, provide braking and locking torque thus in case spline sub-disk is rotated.
Therefore, disk type braker of the present invention provides multiple independent spring-biased bracket in positioning plate, each bracket has drag friction surface or sheet thus provide uniform retardation pressure under the actuating of preloaded spring on bracket thereon, to provide the initial detent torque of uniform retarding torque friction also therefore needed for realization on rotor disk, and there is not the undesired axial bending of pressure plate or positioning plate.
Obviously, other people can modify and modification after the detailed description of reading and understanding of above.Exemplary configuration described herein is understood to include all these amendment and modification, is considered as being included in the scope of claims or its equivalent.
Claims (11)
1. a disc brake component, comprising:
A () limits the housing of annular fluid pressure cavity, described fluid pressure cavity comprises the entrance being suitable for being connected to source of pressurised fluid;
B () has the annular piston of the part be arranged at hermetically in fluid pressure cavity;
C () is fixed to housing and has the circular orientation plate of multiple bracket, each in described bracket has and to be arranged on around bracket and can relative to the friction surface of described plate movement separately in the axial direction on bracket;
D () is arranged on the multiple springs around piston, described spring being operable is with axially away from bias voltage bracket on the direction of piston;
E () has at least one rotor on annular friction surface, described rotor is arranged on input shaft to rotate together with input shaft and can move vertically on input shaft; And
F () is connected to piston, that there is annular friction surface annular mounting plate, wherein, after to described pressure chamber in fluid pressurization, housing and positioning plate move away from rotor, friction plate and mounting plate vertically, after to described pressure chamber decompression, described spring being operable moves to the annular friction surface contact with at least one rotor described to make friction plate, thus produces braking maneuver.
2. assembly according to claim 1, wherein, each in described bracket is attached to the component be received within by aperture in positioning plate.
3. assembly according to claim 1, also comprises multiple rotor, and contiguous rotor is by separating relative to the annular reaction plate of rotor movement vertically, and described reaction plate has the annular friction surface setting friction material thereon of contiguous each rotor.
4. assembly according to claim 1, wherein, described bracket by individually in the axial direction towards rotor annular friction surface spring-biased.
5. assembly according to claim 1, wherein, at least one rotor spline joint described is to input shaft.
6. assembly according to claim 1, wherein, each in described bracket all has multiple springs of bias voltage bracket on the direction of the contiguous rotor disk of contact.
7. assembly according to claim 1, wherein, each in described bracket all has chamber, receives one end of spring in described chamber.
8. manufacture a method for disc brake component, comprising:
A () provides the housing with annular pressure chamber, described annular pressure chamber has the entrance for pressurized with fluid;
B annular piston to be arranged in pressure chamber and by piston seal on pressure chamber and form fluid pressure cavity by () movably;
C the annular mounting plate with annular friction surface is connected to piston with axially spaced layout by ();
D at least one rotor is arranged between annular mounting plate and piston by () vertically, described rotor has annular friction surface on the axial opposite side of rotor;
E circular orientation plate is arranged on described between at least one rotor and piston by () vertically, and being provided in the bracket of multiple circumferentially spaceds that circular orientation panel area arranges, each in bracket all has friction surface thereon and can move at axial direction relative to circular orientation plate and positioning plate is connected to housing;
F () is when reducing pressure to pressure chamber, each in the bracket of spring-biased circumferentially spaced individually to make a friction surface in the annular friction surface of at least one rotor described and corresponding bracket f pictional surface contacts, and by the friction material spring-biased on annular mounting plate extremely and the rotor friction surface rubbing contact relative with a described friction surface; And
(g) after to chamber pressurization relative to piston mobile shell and positioning plate and the rubbing contact discharged on rotor annular surface.
9. method according to claim 8, wherein, provides the bracket of multiple circumferentially spaced to comprise and arranges bracket by each in the multiple apertures in annular slab.
10. method according to claim 8, wherein, arranges bracket and comprises along bracket described in the direction spring-biased impelling friction plate on bracket and rotor annular f pictional surface contacts.
11. methods according to claim 8, wherein, arrange at least one rotor and comprise and arrange multiple rotor and between contiguous rotor, arrange the reaction plate with annular friction material that can move axially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261640.8A CN105317886B (en) | 2014-06-12 | 2014-06-12 | Disc brake component and its manufacturing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410261640.8A CN105317886B (en) | 2014-06-12 | 2014-06-12 | Disc brake component and its manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105317886A true CN105317886A (en) | 2016-02-10 |
| CN105317886B CN105317886B (en) | 2019-03-29 |
Family
ID=55245942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410261640.8A Active CN105317886B (en) | 2014-06-12 | 2014-06-12 | Disc brake component and its manufacturing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105317886B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519486A (en) * | 2003-01-30 | 2004-08-11 | Ӣ�����������ͳ��ƶ�ϵͳ����˾ | Disk brake assembly |
| CN201344221Y (en) * | 2007-09-10 | 2009-11-11 | 伊顿公司 | Coupling component |
| US20110120816A1 (en) * | 2005-05-24 | 2011-05-26 | Demers Joseph R | Brake pad cooling apparatus and method |
| CN204213216U (en) * | 2014-06-12 | 2015-03-18 | 伊顿公司 | Disc brake component |
-
2014
- 2014-06-12 CN CN201410261640.8A patent/CN105317886B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519486A (en) * | 2003-01-30 | 2004-08-11 | Ӣ�����������ͳ��ƶ�ϵͳ����˾ | Disk brake assembly |
| US20110120816A1 (en) * | 2005-05-24 | 2011-05-26 | Demers Joseph R | Brake pad cooling apparatus and method |
| CN201344221Y (en) * | 2007-09-10 | 2009-11-11 | 伊顿公司 | Coupling component |
| CN101849117A (en) * | 2007-09-10 | 2010-09-29 | 伊顿公司 | Coupling assembly |
| CN204213216U (en) * | 2014-06-12 | 2015-03-18 | 伊顿公司 | Disc brake component |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105317886B (en) | 2019-03-29 |
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Effective date of registration: 20190428 Address after: Dublin, Ireland Patentee after: Eaton Intelligent Power Co.,Ltd. Address before: Ohio, USA Patentee before: Eaton Corp. |
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| TR01 | Transfer of patent right | ||
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Effective date of registration: 20220513 Address after: Denmark nordburg Patentee after: Danfoss power system II Technology Co.,Ltd. Address before: Irish Dublin Patentee before: Eaton Intelligent Power Co.,Ltd. |
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Effective date of registration: 20231107 Address after: Denmark nordburg Patentee after: DANFOSS A/S Address before: Denmark nordburg Patentee before: Danfoss power system II Technology Co.,Ltd. |