CN204061651U - Pneumatic expansion device braking/clutch component - Google Patents
Pneumatic expansion device braking/clutch component Download PDFInfo
- Publication number
- CN204061651U CN204061651U CN201420356944.8U CN201420356944U CN204061651U CN 204061651 U CN204061651 U CN 204061651U CN 201420356944 U CN201420356944 U CN 201420356944U CN 204061651 U CN204061651 U CN 204061651U
- Authority
- CN
- China
- Prior art keywords
- component
- arcuate member
- friction surface
- power transmits
- assembly according
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model relates to pneumatic expansion device braking/clutch component.A kind of pneumatic expansion device braking/engaging and disengaging gear has the first power transmission members and has the cylinder on annular friction surface on the outer periphery.Arc backing block portion section is around the friction surface circumference tight spacing adjacent of cylinder.Backing block has brake strip in inner radial surface.Inflatable ring surrounds backing block, and radially inwardly urge described piece upon inflation and friction plate against roll friction surface.The end that baffle plate is arranged at backing block extend in the space between the adjacent block of circumference, to form the zigzag path for the heat distributed in a radially outward direction from roll friction surface.Baffle plate makes inflatable device isolate with heat, and this allows roll friction surface to operate at a higher temperature, and the transmission/dissipation of power can not make expander overheated.
Description
Technical field
The utility model relates to for braking the power transmission mechanically at rotatable member and such as cable drum and underwater propeller axle or the pneumatic expansion device braking/engaging and disengaging gear of clutch, wherein need between axle or axle or the power transmission between cylinder with stationary element brake or engage.This device is generally used for the axle power transmitting or dissipate a large amount of, such as, for such as mill machine, underwater propeller, metal forming machine and oilfield machinery application can process 300, the torque of 000 N of rice (N.m) and the braking device had up to the diameter of 77 inches (193cm) or engaging and disengaging gear.This very large aerobraking/engaging and disengaging gear relatively can adopt the cylinder with periphery frictional engagement surface, against this frictional engagement surface is stressed friction plate on backing block (backing block) array that arranges of arched circumference, described backing block at the friction material forced under the inflatable annular ring of arc backing block array or the effect of expander on it or friction plate against roll friction surface.
Background technique
In use, this very large braking/engaging and disengaging gear relatively produces heat on the surface at roll friction in braking/clutch process; Further, in the space of heat between the arc backing block arranged around cylinder to external radiation.Therefore, have been found that when using this large braking/engaging and disengaging gear, when temperature on the friction surface of cylinder reaches about 600 °F (315 DEG C), the temperature around the inflatable apparatus of arc backing block can exceed the service limiting temperature 250 °F (121 DEG C) of material, the normally rubber used in inflatable ring.Therefore the receptible temperature that this temperature extremes of inflatable ring limits on the friction surface of cylinder rises, and because which limit the power being transmitted by braking/clutch component or dissipated.
Therefore, need to provide the acceptable surface temperature of the friction surface on a kind of cylinder increasing pneumatic operation braking/clutch component to be transmitted by braking/clutch component or the power of dissipation or the amount of torque and the mode that do not cause expander ring overheated or method for the roll friction surface of given size increases.
Model utility content
The utility model describes and shows such pneumatic expansion device braking/engaging and disengaging gear: adopt the annular friction surface on a rotating power transfer element, and arrange around annular friction surface circumference and there is the annular array of arc piece of friction material or braking plate thereon, described friction material or braking plate by around and the annular friction that is forced in against first side power transmission member of the pneumatic inflation of the annular inflatable ring that arranges of adjacent arc backing block circumference or expander is surperficial.The baffle plate that spatial placement between adjacent arc backing block has mode that is overlapping with circumference or staggered/intercross arrangement to extend wherein.Baffle plate prevents heat from radially distributing and radiation or heat inflatable rubber swelling device ring to such an extent as to exceed its normal service temperature boundary from the friction surface the first side power transmission member.These baffle plates make the operating temperature on the annular friction surface in the first side power transmission member in existing braking/engaging and disengaging gear is arranged significantly raise, and therefore, significantly increase the power transmission/dissipation capabilities of existing braking/clutch component and do not need to increase the size on annular friction surface and the size of the first side power transmission member.
In a configuration, baffle plate is shaped integratedly, extend from the end of braking plate backing block; Further, in another configuration, baffle plate is to the independent component of existing braking plate backing block by fastener attachment.
Accompanying drawing explanation
Fig. 1 is the front view of the pneumatic expansion device brake assemblies with the annular friction surface type that the periphery around rotating drum is arranged;
Fig. 2 is the left side view cut open of the contoured portion of Fig. 1 ground;
Fig. 3 is the perspective view of the configuration of Fig. 1, and its each several part is decomposed inner member is shown;
Fig. 4 is the perspective view of the brake slipper of the configuration of Fig. 3, friction plate, torque bar and friction plate Returnning spring parts;
Fig. 5 is the perspective view of another configuration of the arc braking backing block each end for using in the layout in figure 3 adopting integrally formed baffle plate;
Fig. 6 is the fragmentary perspective view of the alternate configuration of the arc braking backing block of Fig. 5, and this backing block has by fastener attachment baffle plate thereon; With
Fig. 7 is the sectional view of the configuration of the present utility model being used as pneumatic expansion device clutch component.
Embodiment
See Fig. 1-4, what a kind of configuration of pneumatically-operated expander braking device was total be designated as 10 and comprise the first power transmits the component of stator form, it fastening piece such as bolt 18 comprised by being applicable to is fixed to circumference isolated annular slab 12,14 on the spacer element of annular pass component 16 form of flange, wherein, the axial width of passage 16 provides the spacing needed for stator plate 12,14.Total brake drum being designated as 20 to be arranged between plate 12,14 and concentric, be arranged in the second side power transmission member of axle 22 form, described cylinder has outer annular friction surface 24, and it comprises by the outer periphery being attached to the edge flanges 26 that axle 22 supports with the spoke 28 jointly rotated relative to stator plate 12,14 together with axle.
Total be designated as 30, multiple arcuate member of 30' arrange with the circumferentially spaced annular array around friction surface 24, and be arranged in the first side power transmission member by being connected to stator plate 12,14, as will be described below.
See Fig. 3 and 4, each of arcuate member 30 comprises arc braking backing block 32, it is attached with by the friction material of friction plate 34 form for making with the material be applicable to of annular friction surface 24 rubbing contact.In the present embodiment, friction plate 34 is attached to brake slipper 32 by the fastening piece 37 such as rivet be applicable to.
Braking backing block 32 is shown in Figure 4 for multiple (three) circumferentially spaced cavity/bore hole/space (void) or passage of having and axially extending and penetrate wherein, and the center cavity being wherein arranged at the midpoint of arc piece 32 is designated reference character 38; And external cavity is designated reference character 36.
See Fig. 5, another configuration of braking backing block is designated reference character 32', has five axial cavities comprising center cavity 38' and four external cavity 36'.But arc piece 32 shown in Fig. 4 has center axial passageway or cavity 38, the circumference being wherein designated each subtend of reference character 36 has an axial passageway 36.Any one in arc braking backing block 32,32' can be arranged between stationary torus plate 32,36, selected block is fixed on wherein by torque bar 40, torque bar has the lug or pin 42,44 that are formed in its opposite end, and wherein lug 42,44 engages with the hole 46,48 be separately positioned in stator plate 12,14.The width of torque bar 40 be chosen to brake backing block center cavity 38, the sidepiece of 38' closely cooperatively interacts in the mode of radial direction relative to the sliding movement on annular friction surface 24 to allow brake slipper 32,32'.It is to be understood, however, that, the width dimensions of torque bar 40 be arranged to prevent from being associated braking backing block 32,32' any motion in circumferential direction.The Returnning spring 47 of leaf spring form arranges for any one in brake slipper 32,32', in order to actuate brake slipper in a radially outward direction.Spring 47 is to find that gratifying form illustrates in the present embodiment, and it comprises bow-shaped leaves spring, its end abutment torque bar 40, and the middle section of semielliptic spring abuts the surface of corresponding center cavity 38,38'.
Two/any one configuration of arc brake slipper 32,32' is provided with at least one baffle component in the circumferential end of its subtend, identify into 50,52 and 50', 52' respectively, it extends in circumferential direction the amount that is substantially equal to the circumferential width in the space formed between arcuate member 30.In the present embodiment, find desirably, baffle element 50,52 and 50', 52' position on braking backing block 30,30' is interlocked in radial directions, baffle component is extended in Different Diameter in the space between position bow member 30 respectively from the adjacent arc backing block 30 of circumference, 30'.This device is that any radiation energy such as heat energy distributed from the annular friction surface 24 of the first side power transmission member or cylinder provides winding raod footpath, heat energy be substantially prevented from radially outward directly flow and be substantially prevented from contacting total be designated as 54, the annular inflatable apparatus that arranges around arcuate member 30 or expander.
In the present embodiment, inflatable ring-type element or expander 54 can be formed by rubber material and by there being core material layer (being indicated by reference character 56 in figure 3) to be reinforced between each layer 55 in layer 55.Inflatable apparatus 54 has pneumatic inlet joint 58, it is connected by stator disc 14 and is suitable for connecting thereon from outside, contacts to realize when it is braked to inflatable apparatus 54 air supply pressure with the annular friction surface 24 in the first side power transmission member for forcing the brake slipper with sheet 34 when needs.
See Figure 4 and 5, in the present embodiment, backing module component 32,32' and their respective baffle components 50,52 is braked and 50', 52' are configured as parts integratedly.In the present embodiment, found to form the arc module component of single type 32 by aluminium material, particularly 6061 aluminum alloys, 32' has been gratifying; It is to be understood, however, that, also can use the material that other are applicable to, the alloy of such as nickel and steel.In the present embodiment, aluminium is selected in order to easy processing, weight saving and cost decline.
Although it should be understood that only there is a baffle component shown in the configuration 32 of arc brake slipper, 32', multiple baffle component 50,52 and 50', 52' can be used, as long as it is spaced apart for interlaced arrangement.
See Fig. 6, total being designated 60 and in cross-section there is right-angle structure of alternate configuration of baffle component, it is provided with the flange 62 for the fastening piece end of arc brake slipper 32'' as screw 64 is attached to by being applicable to, a part for this brake slipper is shown in Figure 6, and cavity 36'' passes wherein.
See Fig. 7, the configuration of pneumatic expansion device braking/clutch component of the present utility model illustrates into rotation clutch, total is designated as 100, its have total be designated as 102 the first power transmits the component, this first power transmits the component comprises the input shaft 104 via keyway 108 drive hub 106 rotationally.Axle 104 has the air supply joint 110 being connected to its end rotationally, with by the figure 7 with the central corridor 112 of dotted line instruction to be formed in axle 104 and to be depicted as multiple radial ports 114,116 air supply of dotted line, described radial port by the path 119 in wheel hub 106 to joint 120 air supply be arranged on wheel hub 106.Outer annular driving ring 122 is by being connected to wheel hub 106 around the circumferential isolated bolt 124 of wheel hub 106.Ring 122 has outer annular flange 126, is received the fluid coupling 128 being connected to joint 120 by pipe 130 by this flange.Annular pass component 132 has the isolated vertically flange 134,136 of a pair annular, and it is connected to annular ring 138,140 by fastening piece such as the bolt 142 be applicable to.
The layout opened at intervals in the circumferential direction on the interior periphery that annular inflatable apparatus 144 is arranged on passage 132 and around the interior periphery of this device 144 is provided with multiple arc annular back member 146, and wherein each back member has attachment friction plate 148 thereon.
Total the second power transmits the component being designated 150 has the axle 152 that can be connected to wheel hub 154 by means of keyway 156 with driving.Wheel hub 154 has attachment annular flange flange 160 thereon, and this flange 160 is fixed to wheel hub by the isolated bolt 162 of multiple circumference.Flange 160 is connected to circular-cylindrical 158.The outer periphery of cylinder 158 is formed with annular friction surface 164, it engages friction plate 148 with rubbing contact after inflatable apparatus 144 is inflated, thus clutch and coupling shaft 152 are to affect the rotation of axle 104.It should be understood that arc module component 146 is fixed by torque bar in the mode identical with configuration 10; And each arc braking member 146 has the baffle component extended in the mode of similar baffle plate 50,52 from its circumferential end.
Therefore, the utility model describes the pneumatic expansion device braking/clutch component with arc back member or brake slipper, described arc back member or brake slipper has to be arranged on the first power transmits the component and circumferential compartment of terrain is arranged and the friction material that surrounded by the annular inflatable apparatus being suitable for being connected to source of pressurised fluid or braking plate.By the inflation of inflatable apparatus, arcuate member is radially-inwardly actuated, and causes braking plate to engage with the annular friction surface friction of the second power transmits the component.Each brake slipper has the baffle component in extending between adjacent arcuate member from the circumferential end of its subtend space.Therefore, baffle plate produces winding raod footpath and prevents the radiation energy of outwards distributing from the annular friction radial surface of the second power transmits the component from directly contacting the surface of inflatable apparatus, to prevent the heating to inflatable apparatus.Therefore, baffle plate enables the annular friction of the second power transmits the component surface during frictional engagement, experience remarkable higher temperature when serving and not increase the temperature of annular inflatable apparatus.Therefore, do not change its size by the arc back member replaced in existing braking/engaging and disengaging gear design, by braking of the present utility model/clutch component transmission or more substantial torque significantly can be absorbed.
In the present embodiment, found out that, when the surface temperature on the annular friction surface in the power transmits the component of existing braking/engaging and disengaging gear reaches 600 °F (315 DEG C), the temperature of inflatable apparatus more than 250 °F (131 DEG C) and overheated and therefore inflatable apparatus be damaged.But, when using baffle component on the arc braking member of existing braking/engaging and disengaging gear according to the utility model, the temperature on annular friction surface can be allowed to reach 1200 °F (648 DEG C) and the temperature of inflatable apparatus can not more than 250 °F (131 DEG C).This has caused the pneumatic expansion device braking/clutch component of the power transmits the component with given size can produce/absorb power and the torque of many 40% after insertion has the arcuate member of baffle component of the present utility model.
Clearly, and aforementioned detailed description generation amendment will be understood and substitute according to reading.Illustrative configuration described herein is intended to comprise all these amendments and substitutes, because they are all from the scope of claims or its equivalent.
Claims (9)
1. pneumatic expansion device braking/clutch component, comprising:
(a) first power transmits the component;
(b) second power transmits the component, it arranges and is used for rotating relative to the first power transmits the component and comprising annular friction surface;
The annular array of (c) multiple arcuate member, it is arranged on the first power transmits the component, around described annular friction surface, circumferentially interval is arranged and can be moved relative to described annular friction radial surface, wherein, each arcuate member comprises friction plate and passes the axially extended multiple cavity of arcuate member;
(d) annular inflatable apparatus, it to be arranged on the first power transmits the component around arcuate member and can to operate after inflation radially to move arcuate member, contact with the relatively rotating of annular friction surface of the second power transmits the component for realizing friction plate, to realize the power transmission between the first power transmits the component and the second power transmits the component;
(e) torque bar, it is connected to the first power transmits the component and extends through in the multiple cavitys in each arcuate member, and can be used to allow corresponding arcuate member only move in radial direction; And
(f) baffle component, it circumferentially extends in the space between adjacent segmental element from the subtend end of each arcuate member in direction, wherein, the zigzag path for the radiation energy of distributing to inflatable apparatus from described annular friction surface is limited in the space of the baffle component of adjacent segmental element between adjacent segmental element.
2. assembly according to claim 1, wherein, each at least one baffle component described is formed integrally as parts with corresponding arcuate member.
3. assembly according to claim 2, wherein, described arcuate member is formed by aluminium.
4. assembly according to claim 2, wherein, described arcuate member is formed by 6061 aluminium.
5. assembly according to claim 1, wherein, described arcuate member is formed by aluminium, and described baffle component is formed by galvanized steel.
6. assembly according to claim 1, wherein, each arcuate member comprises multiple baffle component, and the baffle component extended in the space between adjacent segmental component is interlaced.
7. assembly according to claim 1, wherein, described first power transmits the component comprises the board member of a pair axially spaced-apart, and the opposite end portion of each torque bar is connected to the different board member in described a pair board member respectively.
8. assembly according to claim 1, wherein, described friction plate is fixed to each arcuate member by fastening piece.
9. assembly according to claim 1, wherein, described second power transmits the component comprises cylinder, and described cylinder has the annular friction surface arranged around the periphery of this cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356944.8U CN204061651U (en) | 2014-06-30 | 2014-06-30 | Pneumatic expansion device braking/clutch component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420356944.8U CN204061651U (en) | 2014-06-30 | 2014-06-30 | Pneumatic expansion device braking/clutch component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204061651U true CN204061651U (en) | 2014-12-31 |
Family
ID=52203173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420356944.8U Expired - Fee Related CN204061651U (en) | 2014-06-30 | 2014-06-30 | Pneumatic expansion device braking/clutch component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204061651U (en) |
-
2014
- 2014-06-30 CN CN201420356944.8U patent/CN204061651U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7374027B2 (en) | Balanced flow cooling water jacket | |
| US7556128B2 (en) | Dual actuator friction brake assembly | |
| US8776955B2 (en) | Liquid cooled brake with support columns | |
| US8967356B2 (en) | Expander brake/clutch assembly and method of making same | |
| US20070095621A1 (en) | Liquid cooled brake assembly | |
| US10167912B2 (en) | Plate assemblies including floating wear linings for multi-disk brake systems and methods for reducing vibration in a multi-disk brake system | |
| US4863000A (en) | Brake or clutch disc assembly | |
| US20150292566A1 (en) | Dual torque bar drum element | |
| US2423881A (en) | Disk brake | |
| CN105041907A (en) | Clutch device | |
| CN204061651U (en) | Pneumatic expansion device braking/clutch component | |
| CN105202068A (en) | Pneumatic expander braking/clutching assembly and manufacturing method thereof | |
| US20180017120A1 (en) | Hydraulic force transmitting assembly for brakes and clutches | |
| US2683504A (en) | Brake assembly | |
| KR100901161B1 (en) | Wet parking braking system for forklift truck and construction machinery axle | |
| GB2526827A (en) | Expander brake/clutch assembly and method of making same | |
| US2753032A (en) | Friction disk construction for clutches, brakes and the like | |
| US2453237A (en) | Multiple-disk friction coupler | |
| EP3081825B1 (en) | Increased brake radius to improve rto performance | |
| US1063998A (en) | Clutch. | |
| CN102425634B (en) | Clutch with braking function | |
| TW201546383A (en) | Expander brake and clutch assembly and method of making same | |
| US4000791A (en) | Disk brake for reinforced drive key member | |
| TWM513942U (en) | Expander brake and clutch assembly | |
| JPH0434007B2 (en) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190625 Address after: Dublin, Ireland Patentee after: Eaton Intelligent Power Co.,Ltd. Address before: Ohio, USA Patentee before: Eaton Corp. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141231 Termination date: 20200630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |