CN106838064A - A kind of bullet train brakes wheel disc with lightweight - Google Patents

A kind of bullet train brakes wheel disc with lightweight Download PDF

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Publication number
CN106838064A
CN106838064A CN201710249726.2A CN201710249726A CN106838064A CN 106838064 A CN106838064 A CN 106838064A CN 201710249726 A CN201710249726 A CN 201710249726A CN 106838064 A CN106838064 A CN 106838064A
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CN
China
Prior art keywords
disk
skeleton
carbon
wheel disc
lightweight
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.)
Pending
Application number
CN201710249726.2A
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Chinese (zh)
Inventor
朱苏华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Xin Xin New Material Co Ltd
Original Assignee
Hunan Xin Xin New Material Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hunan Xin Xin New Material Co Ltd filed Critical Hunan Xin Xin New Material Co Ltd
Priority to CN201710249726.2A priority Critical patent/CN106838064A/en
Publication of CN106838064A publication Critical patent/CN106838064A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D65/12Discs; Drums for disc brakes
    • F16D65/122Discs; Drums for disc brakes adapted for mounting of friction pads
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00Parts or details
    • F16D65/02Braking members; Mounting thereof
    • F16D65/12Discs; Drums for disc brakes
    • F16D65/125Discs; Drums for disc brakes characterised by the material used for the disc body
    • F16D65/126Discs; Drums for disc brakes characterised by the material used for the disc body the material being of low mechanical strength, e.g. carbon, beryllium; Torque transmitting members therefor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/02Composition of linings ; Methods of manufacturing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04Attachment of linings
    • F16D69/0408Attachment of linings specially adapted for plane linings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16DCOUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D69/00Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04Attachment of linings
    • F16D2069/0425Attachment methods or devices
    • F16D2069/0433Connecting elements not integral with the braking member, e.g. bolts, rivets

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Braking Arrangements (AREA)

Abstract

The invention discloses a kind of bullet train with lightweight brake wheel disc, including carbon ceramic friction material frictional disk and the skeleton disk of carbon carbon composite;The frictional disk is fixedly connected with skeleton disk patch merga pass rivet, and is connected with wheel by skeleton disk.Braking wheel disc is made up of the frictional disk of carbon pottery material and the skeleton disk of carbon carbon materials matter, global density is about the 1/3 of forged steel, weight loss effect for brakes is obvious, and possess more preferable high-temperature behavior and brake efficiency, even if will not also corrode in the oxygen of high concentration, significant improvement in terms of braking ability so that two service lifes of steel Moving plate can be replaced with a carbon ceramic Moving plate, maintenance cost is greatly reduced.

Description

A kind of bullet train brakes wheel disc with lightweight
Technical field
The present invention relates to a kind of brake disc of high-speed train, and in particular to a kind of high-speed train braking system with light weight Change, the composite brake disk of high-effect feature.
Background technology
Brakes is bullet train safety guarantee and emergent critical system.High-speed train braking system is by damper brake Piece, brake disc, brake clamp, checking cylinder and control system etc. are constituted.Checking cylinder makes brake lining clamp brake disc by brake clamp, By the friction between brake lining and brake disc, the kinetic energy of bullet train is changed into heat energy, heat energy by brake disc and brake lining dissipate in Air, so as to reach braking purpose.Traditional brake disc is mostly that, using the metal brake disk of single material, weight is larger, and And inevitably exist due to reasons such as manufacturing process, inside metal brake disk be mingled with, the defect such as segregation and hole;Together When, in braking procedure, huge braking thermic load makes brake disc produce very big thermograde, and thus produces thermal stress. The ringing of the presence of defect and uneven temperature and stress field easily makes brake disc produce micro-crack, when micro-crack expands Open up when to a certain extent, brake disc will occur fatigue fracture.From the point of view of practice situation, brake disc of high-speed train majority is Changed because of brake disc surface fire check.Therefore, the hot tearing of brake disc be current bullet train safety arrestment chief threat it One.
Conventional rails vehicular traffic brake material is difficult to meet the requirement of thermal shock high, high energy load and friction factor high, than Thermal capacitance is high, density is small, the composite with more efficient energy comes into operation in brake disc in succession.Such as carbon ceramic composite material, i.e., Fibre reinforced mends tough carbon-based and silicon carbide-based biradical composite material (C/C-SiC), it has also become the one of brake material of new generation Individual main direction of studying, has the advantages that high temperature resistant, Gao Biqiang, high abrasion, low-density and full ambient engine are applicable, in aircraft, high speed The high speed high energy such as train, racing car, port engineering machinery are carried and are with a wide range of applications in brakes, but composite Brake disc how to realize and wheel combination and improve radiating effect be still a problem urgently to be resolved hurrily.
The content of the invention
Present invention solves the technical problem that being:For the above-mentioned problem that existing composite exists on the disc brake rotor, carry For a kind of high-speed train braking wheel disc carried with lightweight, high energy with high-effect feature, existing metal brake disk is solved because of heat Split the installation problem for causing failure and composite brake disk
The present invention adopts the following technical scheme that realization:
Wheel disc is braked in a kind of lightweight of bullet train, including carbon ceramic friction material frictional disk and carbon carbon composite Skeleton disk;The frictional disk is fixed with skeleton disk and fitted, and is connected with wheel by skeleton disk.
Further, the two sides of the frictional disk is smooth, and annular is uniformly divided centered on the frictional disk center of circle on frictional disk Some first rivet holes and the 3rd rivet hole are furnished with, the skeleton disk is provided with corresponding second rivet hole and the 4th rivet Hole, wherein the first rivet hole and the 3rd rivet hole are used to fit frictional disk and skeleton disk by rivet riveting, the second rivet hole It is used to that circle set will be set after frictional disk and the laminating of skeleton disk with the 4th rivet hole, braked wheel is checked and regulated by body and car by the circle set Wheel connection.
Further, the inner ring and outer ring of first rivet hole and the second rivet hole respectively close to frictional disk and skeleton disk It is distributed two groups.
Further, some vent bosses are evenly distributed with the skeleton disk.
Further, the vent bosses are some Y types vent bosses being distributed in a ring centered on the skeleton disk center of circle, Spaced between the Y types vent bosses is the ventilation slot of 10mm-20mm.
Further, annular is uniformly distributed some cunnings also centered on the skeleton disk center of circle on the vent bosses of the skeleton disk Block hole, the slider bore is to be fixedly embedded at sliding block borehole jack by rivet in radially arranged mounting hole, the slider bore.
In the present invention, the carbon ceramic friction material of the frictional disk includes following component according to mass percent:20~ 28% carbon fiber, 18~32% matrix carbon, 26~45% SiC, 2~6% Si.
Further, the thickness of the frictional disk is 10mm-20mm, and density is 1.8~2.2g/cm3
In the present invention, the carbon carbon composite of the skeleton disk includes following component according to mass percent:20~ 35% carbon fiber;65~80% matrix carbon.
Further, the thickness of the skeleton disk is 28mm-40mm, and density is 1.7~1.8g/cm3
The present invention has the advantages that:
(1) braking wheel disc is made up of the frictional disk of carbon pottery material and the skeleton disk of carbon carbon materials matter, and density is about the 1/ of forged steel 3, the weight loss effect for brakes is obvious.
(2) while possessing more preferable high-temperature behavior and brake efficiency, even if will not also corrode in the oxygen of high concentration, together When in brake hard ceramic brake wheel disc can consume the energy of nearly 50MJ in theory, and the forged steel disk of better performances also can only Consumption 20MJ or so.
(3) significant improvement of the carbon pottery frictional disk in terms of braking ability so that the frictional disk that can be made pottery with a carbon replaces two The service life of individual steel brake disc, is run with a bullet train and calculated over 30 years, and cost accounting shows, using complete Present invention braking wheel disc, than steel disk brake cost-effective 50%.
In sum, C-base composte material is replaced existing wide variety of steel alloy as the system of bullet train by the present invention Driving wheel disk material, alleviates train unsprung weight, reduces traction power consume;The hot mechanicalness of braking wheel disc is improve simultaneously Can, it is possible to reduce the disk number of braking wheel disc;Frictional disk abrasion is in place or after failure, can direct dismounting and change, and skeleton disk can To utilize always, maintenance cost is reduced.
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
Brief description of the drawings
Fig. 1 is the braking wheel disc top view in embodiment.
Fig. 2 is the A in Fig. 1 to sectional view.
Fig. 3 is the B in Fig. 1 to sectional view.
Fig. 4 is close-up schematic view at the I in Fig. 2, and the rivet interlacement between specific manifestation frictional disk and skeleton disk shows Meaning.
Fig. 5 is close-up schematic view at the II in Fig. 3, the connection wheel that specific manifestation frictional disk and skeleton disk are formed Rivet hole is illustrated.
Fig. 6 is the frictional disk top view in embodiment.
Fig. 7 is the C in Fig. 6 to sectional view, the position relationship of the first rivet hole on specific manifestation frictional disk.
Fig. 8 is the D in Fig. 6 to sectional view, the position relationship of the second rivet hole on specific manifestation frictional disk.
Fig. 9 is the skeleton disk top view in embodiment.
Figure 10 is close-up schematic view at the III in Fig. 9, the rivet hole and vent bosses on specific manifestation skeleton disk Position relationship.
Figure 11 is the E in Fig. 9 to sectional view.
Figure 12 is the F in Fig. 9 to sectional view.
1- frictional disks, the rivet holes of 101- first, the rivet holes of 102- the 3rd,
2- skeleton disks, the rivet holes of 201- second, the rivet holes of 202- the 4th, 203- slider bores, 204- vent bosses, 2041- Ventilation slot,
31- sliding block borehole jacks, 32- circle sets,
The connection rivets of 41- first, 411- rivet sleeves, the connection rivets of 42- second, 421- packing rings,
Specific embodiment
Embodiment
Referring to Fig. 1 to Fig. 5, the braking wheel disc in the present embodiment is the preferred embodiments of the invention, specifically includes friction Disk 1 and skeleton disk 2, its middle friction tray 1 and skeleton disk 2 are the disc structure with inner ring, both inner rings and outer ring size Identical, frictional disk 1 is fixed by copper or steel the first rivet 41 and the cold riveting of skeleton disk 2 by skeleton disk 2 and wheel Connection.
With reference to referring to Fig. 6-8, frictional disk 1 uses carbon ceramic friction material, and thickness is 10mm-20mm, and the two sides of frictional disk 1 is equal Burnishing surface is processed into, the first rivet hole 101 of circular array distribution is provided with centered on the frictional disk center of circle on frictional disk 1, First rivet hole 101 is distributed two groups respectively close to the inner ring of frictional disk 1 and outer ring, and every group is 12, and the first rivet hole 101 is to pass through The countersunk head through hole of frictional disk 1 is worn, for the rivet positioning after riveting.Also it is provided with centered on the frictional disk center of circle on frictional disk 1 3rd rivet hole 102 of circular array distribution, the 3rd rivet hole 102 is similarly counter sink, wherein the hole of the 3rd rivet hole 102 Footpath is greater than the first rivet hole 101, and the 3rd rivet hole 102 is used for the braking of the frictional disk after riveting of fitting and skeleton disk composition Wheel disc is connected with wheel.
With reference to referring to Fig. 9-12, skeleton disk 2 uses carbon carbon composite, and thickness is 28mm-40mm, skeleton disk 2 and friction The one side of the laminating of disk 1 is burnishing surface, and skeleton disk 2 is provided with and corresponding second rivet hole 201 of the first rivet hole 101, the second riveting Nail 201 be with the identical counter sink of the first rivet hole 101, skeleton disk 2 after being fitted with frictional disk 1, on frictional disk 1 first The whole co-axially aligns of 101 and second rivet hole of rivet hole 201, the is set by the first rivet hole 101 and the second rivet hole 201 One connection rivet 41 and rivet sleeve 411, the both ends of the first connection rivet 41 it is upset after frictional disk 1 and skeleton disk 2 are fixed Laminating, as shown in Figure 4.Be additionally provided with skeleton disk 2 with corresponding 4th rivet hole 202 of the 3rd rivet hole 102, in frictional disk 1 After skeleton disk 2, the 3rd rivet hole 102 and the 4th rivet hole 202 co-axially align one by one, in the 3rd rivet hole 102 and the 4th riveting Nail 202 is embedded in circle set 32, forms the pore structure that be connected with wheel of integral stop wheel disc, rivet through circle cover by skeleton disk with Wheel is fixedly connected, and improves the riveting intensity between brake disc and wheel.
The one side of frictional disk 1 is fitted with skeleton disk 2, and another side rubs with brake pad as the rubbing surface of braking wheel disc and makes Dynamic, the one side of skeleton disk 2 is fitted with frictional disk 1, and another side is provided with some vent bosses 204, improves the radiating effect of braking wheel disc Rate.As shown in Figure 9 and Figure 10, vent bosses 204 are 24 boss of the circular array distribution centered on the skeleton disk center of circle, On the premise of ensureing ventilation effect, boss is arranged to radially distributed Y type boss, the open slot of Y type boss is set outwardly, Spaced between Y type boss is the ventilation slot 2041 of 10mm-20mm, improves the area of dissipation of braking sheave surface, is close to Second rivet hole 201 of the outer ring of skeleton disk 2 is all distributed in the open slot of Y type boss, near the second riveting of the inner ring of skeleton disk 2 Nail 201 has half to be set through vent bosses 204 and skeleton disk 2.
Annular has been evenly arranged 6 slider bores also centered on the skeleton disk center of circle on the vent bosses 204 of skeleton disk 2 203, slider bore 203 is used to be finely adjusted braking wheel disc and the position of wheel contact surface, slider bore 203 be along skeleton disk radially The mounting hole of arrangement, bottom is provided with small rivet hole, and sliding block borehole jack 31, sliding block borehole jack 31 are fixedly embedded in slider bore 203 The inwall for being fixed on slider bore 203 is riveted by the second connection rivet 42 and packing ring 421, as shown in Figure 4.
The carbon ceramic friction material of the frictional disk 1 in the present embodiment includes following component according to mass percent:20~28% Carbon fiber, 18~32% matrix carbon, 26~45% SiC, 2~6% Si, the density of frictional disk 2 is 1.8~2.2g/ cm3.The carbon carbon composite of skeleton disk 2 includes following component according to mass percent:20~35% carbon fiber;65~80% Matrix carbon, the density of skeleton disk 2 be 1.7~1.8g/cm3, the vent bosses on skeleton disk 2 can directly be integrally formed processing, riveting Nail is then by follow-up machining.
Embodiment above describes general principle of the invention and principal character and advantages of the present invention, the technology of the industry Personnel it should be appreciated that the present invention is not limited to the above embodiments, simply explanation described in above-described embodiment and specification this The concrete operating principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various change and changes Enter, these changes and improvements all fall within the protetion scope of the claimed invention, the claimed scope of the invention is by appended right Claim and its equivalent thereof.

Claims (10)

1. a kind of bullet train brakes wheel disc with lightweight, it is characterised in that:Frictional disk and carbon carbon including carbon ceramic friction material The skeleton disk of composite;The frictional disk is fixed with skeleton disk and fitted, and is connected with wheel by skeleton disk.
2. a kind of bullet train according to claim 1 brakes wheel disc with lightweight, and the two sides of the frictional disk is smooth, Annular is evenly distributed with some first rivet holes and the 3rd rivet hole, the skeleton disk centered on the frictional disk center of circle on frictional disk Corresponding second rivet hole and the 4th rivet hole are provided with, wherein the first rivet hole and the second rivet hole are used for frictional disk Fitted by rivet with skeleton disk and riveted, the 3rd rivet hole and the 4th rivet hole are used to be set after frictional disk and the laminating of skeleton disk Circle set, checks and regulates body and is connected with wheel by the circle set by braked wheel.
3. a kind of bullet train according to claim 2 brakes wheel disc, first rivet hole and the 3rd riveting with lightweight Nail is distributed two groups respectively close to the inner ring and outer ring of frictional disk and skeleton disk.
4. a kind of bullet train according to claim 2 brakes wheel disc with lightweight, is evenly distributed with the skeleton disk Some vent bosses.
5. a kind of bullet train according to claim 4 brakes wheel disc with lightweight, and the vent bosses are with skeleton disk The some Y types vent bosses being distributed in a ring centered on the center of circle, spaced between the Y types vent bosses is 10mm-20mm Ventilation slot.
6. a kind of bullet train according to claim 4 brakes wheel disc with lightweight, on the vent bosses of the skeleton disk Annular is uniformly distributed some slider bores also centered on the skeleton disk center of circle, and the slider bore is radially arranged mounting hole, institute State in slider bore and sliding block borehole jack is fixedly embedded at by rivet.
7. a kind of bullet train according to any one of claim 1-6 brakes wheel disc with lightweight, the frictional disk Carbon ceramic friction material includes following component according to mass percent:20~28% carbon fiber, 18~32% matrix carbon, 26~ 45% SiC, 2~6% Si.
8. wheel disc is braked in a kind of bullet train according to claim 7 lightweight, and the thickness of the frictional disk is 10mm- 20mm, density is 1.8~2.2g/cm3
9. a kind of bullet train according to any one of claim 1-6 brakes wheel disc with lightweight, the skeleton disk Carbon carbon composite includes following component according to mass percent:20~35% carbon fiber;65~80% matrix carbon.
10. a kind of bullet train according to claim 9 brakes wheel disc with lightweight, and the thickness of the skeleton disk is 28mm-40mm, density is 1.7~1.8g/cm3
CN201710249726.2A 2017-04-17 2017-04-17 A kind of bullet train brakes wheel disc with lightweight Pending CN106838064A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710249726.2A CN106838064A (en) 2017-04-17 2017-04-17 A kind of bullet train brakes wheel disc with lightweight

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710249726.2A CN106838064A (en) 2017-04-17 2017-04-17 A kind of bullet train brakes wheel disc with lightweight

Publications (1)

Publication Number Publication Date
CN106838064A true CN106838064A (en) 2017-06-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107387611A (en) * 2017-08-23 2017-11-24 中车青岛四方机车车辆股份有限公司 Brake disc and there is its rail vehicle
CN107477117A (en) * 2017-08-09 2017-12-15 湖南康迈新材料科技有限公司 A kind of functionally gradient aluminum matrix composite brake disc and preparation method thereof
CN108644260A (en) * 2018-05-16 2018-10-12 湖南世鑫新材料有限公司 A kind of preparation method of bullet train light weight Integral braking reel
CN108869578A (en) * 2018-08-14 2018-11-23 南京香南贸易有限公司 A kind of electromagnetic brake device
CN114562526A (en) * 2022-03-01 2022-05-31 山东倍瑞恳新材料有限公司 Split type rail vehicle brake disc convenient to dismantle and change

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107477117A (en) * 2017-08-09 2017-12-15 湖南康迈新材料科技有限公司 A kind of functionally gradient aluminum matrix composite brake disc and preparation method thereof
CN107387611A (en) * 2017-08-23 2017-11-24 中车青岛四方机车车辆股份有限公司 Brake disc and there is its rail vehicle
CN107387611B (en) * 2017-08-23 2020-01-10 中车青岛四方机车车辆股份有限公司 Brake disc and have its rail vehicle
CN108644260A (en) * 2018-05-16 2018-10-12 湖南世鑫新材料有限公司 A kind of preparation method of bullet train light weight Integral braking reel
CN108869578A (en) * 2018-08-14 2018-11-23 南京香南贸易有限公司 A kind of electromagnetic brake device
CN114562526A (en) * 2022-03-01 2022-05-31 山东倍瑞恳新材料有限公司 Split type rail vehicle brake disc convenient to dismantle and change
CN114562526B (en) * 2022-03-01 2024-01-23 山东倍瑞恳新材料有限公司 Split type rail vehicle brake disc convenient to dismantle and change

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Application publication date: 20170613