CN105526284A - U-shaped key force transmitting device of plane carbon/carbon brake disc - Google Patents
U-shaped key force transmitting device of plane carbon/carbon brake disc Download PDFInfo
- Publication number
- CN105526284A CN105526284A CN201610037039.XA CN201610037039A CN105526284A CN 105526284 A CN105526284 A CN 105526284A CN 201610037039 A CN201610037039 A CN 201610037039A CN 105526284 A CN105526284 A CN 105526284A
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- China
- Prior art keywords
- brake disc
- carbon
- shaped key
- disc body
- transmitting device
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- 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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D65/00—Parts or details
- F16D65/02—Braking members; Mounting thereof
- F16D65/12—Discs; Drums for disc brakes
Abstract
The invention discloses a U-shaped key force transmitting device of a plane carbon/carbon brake disc. The U-shaped key force transmitting device of the plane carbon/carbon brake disc comprises a brake disk body and grooves in the brake disc, wherein the outer edge of the brake disc body between two adjacent grooves is connected with metal key clamps through rivets. The U-shaped key force transmitting device of the plane carbon/carbon brake disc is characterized in that the inner surfaces of the grooves are coated with protective coatings; the interiors of the grooves are sleeved with U-shaped keys; the metal key clamps are in stationary state; the U-shaped keys are limited in the groove between the two metal key clamps; the U-shaped keys can jump in a zone locked by two adjacent metal key clamps along the periphery direction of the brake disc body; the U-shaped keys cannot move along the radial direction of the brake disc body; when the end surface of the brake disc body is taken as a reference surface, the stress surfaces of the assembled U-shaped keys are higher than the end surfaces of the metal key clamps, thereby ensuring that the metal key clamps are not stressed when the brake disc body interacts with a metal force transmitting key. The U-shaped key force transmitting device is simple in structure, reasonable in design, easy to assemble, reliable in force transmission, large in stress area and long in service life.
Description
Technical field
Patent of the present invention relates to field of aviation machinery, the U-shaped metallic bond force-transmitting device on especially a kind of aircraft charcoal/carbon/carbon brake disc outer rim concave groove.
Background technique
Metallic bond folder on aircraft charcoal/carbon/carbon brake disc is a force-transmitting member; mainly play intermal force when aircraft brake; protection aircraft charcoal/carbon/carbon brake disc key tooth; by this metallic bond folder, torsion is delivered on the driving key of wheel; make torsion be evenly distributed on charcoal/carbon/carbon brake disc simultaneously; thus reduce the extruding main force, avoid the damage of aircraft charcoal/carbon/carbon brake disc.Its operating conditions is very severe, except requiring power transmission, also requires that connection is reliable, high temperature resistant, wear-resistant.The Main Function of metallic bond folder is: one is be delivered on the driving key of wheel by metallic bond folder by torsion; Two is that this torsion is evenly distributed on charcoal dish, and the extruding main force is reduced, and avoids damaging; Three is do not allow drive key directly to contact with charcoal dish, avoids the wearing and tearing to charcoal dish; Four is in several ten thousand brake impact processes in lifetime, avoids charcoal dish to clash into driving key, reduces impact force etc.
At present, aircraft charcoal/carbon/carbon brake disc force transfer key major part is fixed, long metallic bond clip force transfer key, and the deficiency of itself is the end face that lifting surface area is only metallic bond folder, and power transmission area is little, and stress concentration is high, easily under impulsive load, occurs Local Cracking; And this kind of structure rivet bears higher shearing load, easily produce rivet head and cut off and absolve.Also part charcoal/carbon/carbon brake disc is had to have employed metal false key/stop collar structure, but do not consider two-way spacing of false key and the transitional bonding layer with charcoal/carbon/carbon brake disc pressure-bearing surface, easily there is the unidirectional exoneration of metal false key and the conquassation of charcoal/carbon/carbon brake disc key bearing plane of notch and surpass wearing and tearing, being also unfavorable for that the secondary of charcoal/carbon/carbon brake disc uses.
Summary of the invention
For the problems of the prior art; the object of the invention is to provide a kind of aircraft charcoal/carbon/carbon brake disc U-shaped key force-transmitting device; which solve the deficiency of existing force transfer key; reasonable in design, structure is reliable, easily realize, power transmission is effective, uses is lasting, has the high temperature resistant feature strong with abrasion resistance properties, can well for aircraft charcoal/carbon/carbon brake disc; effectively protect charcoal/carbon/carbon brake disc key tooth; decrease the probability that key tooth is destroyed, thus improve the working life of aircraft charcoal/carbon/carbon brake disc.
In order to achieve the above object, technological scheme of the present invention is:
The U-shaped key force-transmitting device of a kind of aircraft charcoal/carbon/carbon brake disc, comprise brake disc body and be arranged on brake disc body outer rim place, uniform Baltimore groove, brake disc body outer rim between adjacent two Baltimore grooves there is metallic bond to press from both sides by rivet interlacement, it is characterized in that: the Baltimore groove internal surface of described brake disc body scribbles protective coating and in Baltimore groove, is set with U-shaped key, metallic bond folder is stationary state, irremovable or play, in the spacing Baltimore groove between two metallic bond folders of U-shaped key, and U-shaped key can along brake disc body excircle direction play in the interval of two adjacent metallic bond folder lockings, U-shaped key is immovable along brake disc body radial direction, also be irremovable or play.
Further, when with the end face of brake disc body for reference surface time, the end face that the stress surface of the U-shaped key after assembling presss from both sides higher than metallic bond, it can guarantee when brake disc body and the effect of metal force transfer key, and metallic bond folder does not stress.
Further, the material of described brake disc body is carbon/carbon composite, and metallic bond folder and U-shaped key are high-temperature alloy material.
Further, protective coating is high-temperature ceramic materials.
Compared with prior art, the structure of aircraft charcoal/carbon/carbon brake disc provided by the invention U-shaped key force-transmitting device is unusual, and the structure of this U-shaped key force-transmitting device is simple, reasonable in design, is easy to assembling, and power transmission is reliable, and lifting surface area is large, long service life; During U-shaped key power transmission, because key is along the circumferential direction adjustable, therefore during multikey power transmission, the high conformity of power transmission.The end face that the stress surface of the U-shaped key after assembling presss from both sides higher than metallic bond; it can guarantee when brake disc body and the effect of metal force transfer key; metallic bond folder does not stress; and owing to there is protective coating between U-shaped key and the concave groove of brake disc body; also be protective coating; therefore little to the wearing and tearing of brake disc body, impact little, and under this structure power transmission, brake disc body secondary operations reusability is good.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Accompanying drawing 1 is the structural representation that U-shaped key force-transmitting device of the present invention is applied on aircraft charcoal/carbon/carbon brake disc.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the U-shaped key force-transmitting device of a kind of aircraft charcoal/carbon/carbon brake disc, can obviously find out from figure, it comprises brake disc body 1 and is arranged on brake disc body 1 outer rim place, uniform Baltimore groove, brake disc body 1 outer rim between adjacent two Baltimore grooves there is metallic bond to press from both sides 2 by rivet interlacement, the Baltimore groove internal surface of brake disc body 1 scribbles protective coating 3 and in Baltimore groove, is set with U-shaped key 4, metallic bond folder 2 is stationary state, irremovable or play, in the spacing Baltimore groove between two metallic bond folders 2 of U-shaped key 4, and U-shaped key 4 can along brake disc body 1 excircle direction play in the interval of two adjacent metallic bond folder 2 lockings, U-shaped key 4 is radial immovable along brake disc body 1, also be irremovable or play, when with the end face of brake disc body 1 for reference surface time, the stress surface of the U-shaped key 4 after assembling presss from both sides the end face of 2 higher than metallic bond, it can guarantee when brake disc body and the effect of metal force transfer key, metallic bond folder does not stress, the material of brake disc body 1 is carbon/carbon composite, metallic bond folder 2 and U-shaped key 4 are high-temperature alloy material, and protective coating 3 is high-temperature ceramic materials.
During installation, first protective coating 3 is applied on the matrix grooved on brake disc body 1, then, U-shaped key 4 is loaded onto in concave groove, afterwards metallic bond folder 2 is contained in the top of U-shaped key 4, finally with rivet fixing metal key folder 2, completes the assembling of U-shaped key 4.
Wherein, carbon/carbon composite (c-ccompositeorcarbon-carboncompositematerial) is the carbon base body composite material that Carbon fibe and fabric thereof strengthen.There is low density (< 2.0g/cm3), high strength, high ratio modulus, high thermal conductivity, low-expansion coefficient, frictional behaviour are good, and thermal shock resistance is good, dimensional stability advantages of higher, it is the minority candidate materials of nowadays application more than 1650 DEG C, the highest theoretical temperatures, more up to 2600 DEG C, is therefore considered to one of the most rising high temperature material.Along with the continuous progress of technology, the dependence of carbon/carbon composite superhigh temperature performance is got more and more, and the oxidation protection scheme of unique feasible can only be coating protection under ultra-high temperature condition.Carbon/carbon composite, due to the performance of its uniqueness, has been widely used in the fields such as Aero-Space, automotive industry, medical science, as rocket tube and larynx lining, the end cap of space shuttle and the thermal protection system, aeroplane brake discs etc. of the leading edge of a wing.
High-temperature alloy material is generally divided three classes material: 760 DEG C of high temperature materials, 1200 DEG C of high temperature materials and 1500 DEG C of high temperature materials, tensile strength 800MPa.Refer in other words more than 760--1500 DEG C and the high temperature metallic material of long-term work under certain stress condition, there is excellent hot strength, good anti-oxidant and hot corrosion resistance, the combination properties such as good fatigue behaviour, fracture toughness, have become the irreplaceable critical material of military-civil gas turbine engine hot-end component.According to existing theory, 760 DEG C of high temperature materials mainly can be divided into iron-base superalloy, nickel base superalloy and cobalt base superalloy by matrix element.Wrought superalloy, cast superalloy and powder metallurgy high-temperature alloy can be divided into by preparation process.Solution strengthening type, precipitation strength type, oxide dispersion intensifying type and fibre strengthening type etc. are had by schedule of reinforcement.Refractory alloy mainly for the manufacture of turbine blade, guide vane, the turbine disk, the high-temperature component such as high-pressure compressor dish and firing chamber of aviation, naval vessels and industrial gas turbine, also for the manufacture of the conversion equal energy source conversion equipment of aerospace craft, rocket motor, nuclear reactor, petrochemical equipment and coal.
High-temperature ceramic materials is a kind of popular appellation, has different implications in specialty respectively from daily field.The general name of the stupalith of melt temperature more than silica fusing point (1728 DEG C).The important component part of special cermacis, sometimes also as the constituent element of high-temperature refractory.High-temperature oxide pottery (as Al2O3, ZrO, MgO, CaO, ThO2, Cr2O3, SiO2, BeO, 3Al2O32SiO2 etc.) can be divided into, carbide ceramics, boride ceramics, nitride ceramics and silicide ceramics etc. by material primary chemical composition.Usually have high temperature resistant, high strength, high hardness, good electrical property, thermal characteristics and chemical stability.Oxide high-temperature pottery is mostly in oxidizing atmosphere, and the state sintering such as vacuum, under non-oxidized substance refractory ceramics commonly uses hot pressing or particular atmosphere, (as argon, nitrogen) sinters.Also have and adopt the method such as hot isostatic pressing and microwave sintering.To film etc., the methods such as vapor deposition also can be adopted to produce.Can be used as high-temperature structural material, for many departments such as aerospace, atomic power, electronic technology, machinery, chemical industry, metallurgy, be the indispensable high temperature engineering material of modern science and technology, various in style, purposes is very extensive.
Be understandable that, above about specific descriptions of the present invention, the technological scheme described by the embodiment of the present invention is only not limited to for illustration of the present invention, those of ordinary skill in the art is to be understood that, still can modify to the present invention or equivalent replacement, to reach identical technique effect; Needs are used, all within protection scope of the present invention as long as meet.
Claims (4)
1. the U-shaped key force-transmitting device of aircraft charcoal/carbon/carbon brake disc, comprise brake disc body (1) and be arranged on brake disc body (1) outer rim place, uniform Baltimore groove, brake disc body (1) outer rim between adjacent two Baltimore grooves there is metallic bond to press from both sides (2) by rivet interlacement, it is characterized in that: the Baltimore groove internal surface of described brake disc body (1) scribbles protective coating (3) and in Baltimore groove, is set with U-shaped key (4), metallic bond folder (2) is stationary state, in the spacing Baltimore groove between two metallic bonds folder (2) of U-shaped key (4), and along brake disc body (1) excircle direction play in U-shaped key (4) interval that can lock at two adjacent metallic bonds folder (2), U-shaped key (4) is radial immovable along brake disc body (1).
2. the U-shaped key force-transmitting device of a kind of aircraft charcoal/carbon/carbon brake disc according to claim 1, it is characterized in that: when being reference surface with the end face of brake disc body (1), the stress surface of the U-shaped key (4) after assembling presss from both sides the end face of (2) higher than metallic bond.
3. the U-shaped key force-transmitting device of a kind of aircraft charcoal/carbon/carbon brake disc according to claim 1, it is characterized in that: the material of described brake disc body (1) is carbon/carbon composite, metallic bond folder (2) and U-shaped key (4) are high-temperature alloy material.
4. the U-shaped key force-transmitting device of a kind of aircraft charcoal/carbon/carbon brake disc according to claim 1, is characterized in that: described protective coating (3) is high-temperature ceramic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037039.XA CN105526284A (en) | 2016-01-21 | 2016-01-21 | U-shaped key force transmitting device of plane carbon/carbon brake disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610037039.XA CN105526284A (en) | 2016-01-21 | 2016-01-21 | U-shaped key force transmitting device of plane carbon/carbon brake disc |
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| Publication Number | Publication Date |
|---|---|
| CN105526284A true CN105526284A (en) | 2016-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610037039.XA Pending CN105526284A (en) | 2016-01-21 | 2016-01-21 | U-shaped key force transmitting device of plane carbon/carbon brake disc |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266054A1 (en) * | 1974-03-29 | 1975-10-24 | Bendix Corp | |
| US4465165A (en) * | 1983-01-28 | 1984-08-14 | The B. F. Goodrich Company | Brake apparatus |
| GB2139300A (en) * | 1983-04-21 | 1984-11-07 | Goodrich Co B F | Brake disc for multiple disc brake |
| GB2201475A (en) * | 1987-02-18 | 1988-09-01 | Goodrich Co B F | Brake apparatus |
| US5560452A (en) * | 1994-05-11 | 1996-10-01 | Messier-Bugatti | Reinforcement device for carbon brake disks, and a brake disk fitted with such devices |
| CN2431440Y (en) * | 2000-08-11 | 2001-05-23 | 西安兰空航空设备公司 | Aircraft carbon braking disc of binding renovating |
| CN101712563A (en) * | 2009-12-16 | 2010-05-26 | 西安超码科技有限公司 | Surface anti-oxidation processing method for aircraft carbon brake disc |
| CN201884524U (en) * | 2010-11-01 | 2011-06-29 | 陕西蓝太航空设备有限责任公司 | Aircraft carbon brake disc rotor of small-clearance assembly steel clip |
| CN205298343U (en) * | 2016-01-21 | 2016-06-08 | 北京优材百慕航空器材有限公司 | Aircraft charcoal / charcoal brake disc U type key force transfer device |
-
2016
- 2016-01-21 CN CN201610037039.XA patent/CN105526284A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2266054A1 (en) * | 1974-03-29 | 1975-10-24 | Bendix Corp | |
| US4465165A (en) * | 1983-01-28 | 1984-08-14 | The B. F. Goodrich Company | Brake apparatus |
| GB2139300A (en) * | 1983-04-21 | 1984-11-07 | Goodrich Co B F | Brake disc for multiple disc brake |
| GB2201475A (en) * | 1987-02-18 | 1988-09-01 | Goodrich Co B F | Brake apparatus |
| US5560452A (en) * | 1994-05-11 | 1996-10-01 | Messier-Bugatti | Reinforcement device for carbon brake disks, and a brake disk fitted with such devices |
| CN2431440Y (en) * | 2000-08-11 | 2001-05-23 | 西安兰空航空设备公司 | Aircraft carbon braking disc of binding renovating |
| CN101712563A (en) * | 2009-12-16 | 2010-05-26 | 西安超码科技有限公司 | Surface anti-oxidation processing method for aircraft carbon brake disc |
| CN201884524U (en) * | 2010-11-01 | 2011-06-29 | 陕西蓝太航空设备有限责任公司 | Aircraft carbon brake disc rotor of small-clearance assembly steel clip |
| CN205298343U (en) * | 2016-01-21 | 2016-06-08 | 北京优材百慕航空器材有限公司 | Aircraft charcoal / charcoal brake disc U type key force transfer device |
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Application publication date: 20160427 |
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