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WO2018120499A1 - Frein à disque refroidi à l'air et à l'eau - Google Patents

Frein à disque refroidi à l'air et à l'eau Download PDF

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Publication number
WO2018120499A1
WO2018120499A1 PCT/CN2017/080266 CN2017080266W WO2018120499A1 WO 2018120499 A1 WO2018120499 A1 WO 2018120499A1 CN 2017080266 W CN2017080266 W CN 2017080266W WO 2018120499 A1 WO2018120499 A1 WO 2018120499A1
Authority
WO
WIPO (PCT)
Prior art keywords
disc
brake
cooled
annular disc
hole
Prior art date
Application number
PCT/CN2017/080266
Other languages
English (en)
Chinese (zh)
Inventor
孟庆睿
王大刚
陶庆
田祖织
赵呈昊
Original Assignee
中国矿业大学
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 中国矿业大学 filed Critical 中国矿业大学
Publication of WO2018120499A1 publication Critical patent/WO2018120499A1/fr

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Classifications

    • 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
    • F16D65/128—Discs; Drums for disc brakes characterised by means for cooling
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • 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
    • F16D69/00—Friction linings; Attachment thereof; Selection of coacting friction substances or surfaces
    • F16D69/04—Attachment of linings
    • F16D2069/0425—Attachment methods or devices
    • F16D2069/0433—Connecting elements not integral with the braking member, e.g. bolts, rivets

Definitions

  • the invention relates to an air-cooled and water-cooled double-acting disc brake device, which is used for realizing long-time braking of a high-speed heavy-duty hoist or a large-capacity belt conveyor, and at the same time ensuring that the brake friction surface does not Brake failure due to excessive temperature rise.
  • the hoist and the lower belt conveyor generally adopt the disc brake device to realize the parking and parking brake to ensure the safe operation of the equipment.
  • the brake disc is made of steel plate, the material is 16Mn or similar material, and the brake shoe is made of non-asbestos friction material. Due to the characteristics of the friction material, about 70% of the heat generated by the friction between the brake shoe and the brake disc is absorbed by the brake disc, and 30% is absorbed by the brake shoe. Since the brake disc is continuously rotating, it can only dissipate heat through the air. The heat dissipation efficiency is low.
  • the object of the present invention is to overcome the deficiencies in the prior art and to provide a requirement that the structure can be simple and the braking torque is large, and the heat generated by the braking surface during braking can be quickly dissipated. Disc brakes that ensure friction braking performance.
  • an air-cooled and water-cooled double-acting disc brake device including a brake disc and a brake shoe disposed at a side edge of the brake disc;
  • the moving disc comprises a hub, a brake disc base, a non-asbestos friction plate and a screw.
  • the brake disc base comprises an inner annular disc portion and an outer annular disc portion, the inner annular disc portion having a thickness greater than a thickness of the outer annular disc portion, the hub and the The inner annular disc portion is fixedly connected, and a plurality of scalloped grooves are arranged along the annular disc surface on both sides of the outer annular disc portion, and the non-asbestos friction plate is fan-shaped, and is matched with the size of the sector groove on the side of the non-asbestos friction plate.
  • the scalloped projection is mounted in the scalloped groove and fixed by screws, and the annular disc surface along the inner annular disc portion is evenly distributed with a plurality of axial through holes, the inner annular disc portion and the outer annular circle
  • the disk portion is provided with a radial through hole corresponding to the axial through hole, one end of the radial through hole communicates with the axial through hole, and the other end of the radial through hole directly passes through the outer circular surface of the outer annular disk portion; Defines a plurality of cooling water passage on the brake shoe.
  • the axial through holes are equal in number to the sector slots, and each of the axial through holes is located between the two adjacent sector slots.
  • the radial through holes are located at the center of the thickness of the inner annular disk portion and the outer annular disk portion.
  • cooling water passage is parallel to the disk surface of the brake disc.
  • one end of the cooling water passage near the central axis of the brake disc is a cooling water inlet, and the other end of the cooling water passage is a cooling water outlet.
  • cooling water passage is located at the center of the thickness of the brake shoe.
  • the brake shoe is made of a metal material.
  • the brake shoe material is 16Mn.
  • the asbestos-free friction plate is fixed on the brake disc base body, and the brake shoe is made of metal material.
  • 70% of the heat generated by the friction is absorbed by the brake shoe, and 30% is absorbed by the brake disc, and the brake is applied.
  • the heat absorbed by the brake shoe is carried away by the cooling water, and the heat absorbed by the brake disk is taken away by the heat dissipation channel formed by the axial air passage and the radial air passage on the brake disk base body, ensuring that the brake friction surface is maintained.
  • Figure 1 is a schematic view showing the structure of a disc brake device of the present invention.
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
  • Figure 3 is a cross-sectional view taken along line B-B of Figure 1.
  • Figure 4 is a cross-sectional view taken along line C-C of Figure 1.
  • Figure 5 is a schematic view of the brake shoe structure.
  • Figure 6 is a cross-sectional view taken along line H-H of Figure 5;
  • an air-cooled and water-cooled double-acting disc brake device of the present invention includes a brake disc 1 and a brake shoe 6 disposed at a side edge of the brake disc 1.
  • the brake disc 1 comprises a hub 2, a brake disc base 3, a non-asbestos friction plate 4 and screws 5.
  • the brake disc base 3 comprises an inner annular disc portion 3-1 and an outer annular disc portion 3-2, the inner annular disc portion 3-1 having a thickness greater than the outer annular disc portion 3-2 thickness, the hub 2 and the inner annular circle
  • the disk portion 3-1 is fixedly connected.
  • the annular disk faces on both sides of the outer annular disk portion 3-2 are evenly distributed with a plurality of sector grooves 3-3, and the non-asbestos friction plate 4 is fan-shaped, and is provided with a sector groove 3-3 on the side of the asbestos-free friction plate 4.
  • a scalloped projection 4-1 having a matching size the scalloped projection 4-1 is mounted in the scalloped groove 4-1 and fixed by a screw 5, thereby fixing the non-asbestos friction plate 4 and the outer annular disc portion 3-2.
  • a plurality of axial through holes are uniformly distributed along the annular disk surface of the inner annular disk portion 3-1 3-4, the axial through hole 3-4 penetrates the inner annular disk portion 3-1 along the central axis direction of the brake disk 1, the axial through hole 3-4 serves as an axial air passage, and the inner annular disk portion 3- 1 and the outer annular disc portion 3-2 are provided with radial through holes 3-5 corresponding to the axial through holes 3-4, the radial through holes 3-5 being located at the inner annular disc portion 3-1 and
  • the outer annular disk portion 3-2 has a center of thickness and penetrates the outer annular disk portion 3-2 along the radial direction of the brake disk 1, and one end of the radial through hole 3-5 communicates with the axial through hole 3
  • each of the side annular disc faces of the outer annular disc portion 3-2 is provided with eight sector slots 3-3, and a total of sixteen sector slots 3-3 on both sides, the axial through hole 3-4 is equal to the number of the sector slots 3-3, and is also sixteen, and each of the axial through holes 3-4 is located between the two adjacent sector slots 3-3.
  • the brake shoe 6 is made of metal, and the brake shoe 6 is provided with a plurality of cooling water passages 6-1.
  • the cooling water passage 6-1 is located at the center of the thickness of the brake shoe 6, and the cooling water passage 6-1 is parallel to the disk surface of the brake disc 1.
  • One end of the cooling water passage 6-1 near the central axis of the brake disc 1 is a cooling water inlet 6-2, and the other end of the cooling water passage 6-1 is a cooling water outlet 6-3.
  • the brake shoe 6 is made of 16Mn.
  • the cooling water flows into the cooling water passage 6-1 from the cooling water inlet 6-2, and flows out from the cooling water outlet 6-3, and the heat absorbed by the brake shoe during braking is cooled by the cooling.
  • the water is taken away, and the heat absorbed by the brake disc is taken away by the heat dissipation channel formed by the axial air passage and the radial air passage on the brake disc base 3 to ensure that the brake disc also maintains a lower temperature, braking
  • 70% of the heat generated by the friction is absorbed by the brake shoe 6, and 30% is absorbed by the brake disk 1.

Landscapes

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

Abstract

L'invention concerne un frein à disque refroidi à l'air et à l'eau, comprenant un disque de frein (1) et un segment de frein (6). Le disque de frein (1) comprend une base de disque de frein (3). La base de disque de frein (3) comprend une partie de disque annulaire côté intérieur (3-1) et une partie de disque annulaire côté extérieur (3-2). Un moyeu (2) est relié de manière fixe à la partie de disque annulaire côté intérieur (3-1). Deux côtés de la partie de disque annulaire côté extérieur (3-2) sont tous deux pourvus de multiples fentes en éventail (3-3). Un côté d'une plaque de frottement sans amiante (4) est pourvu de saillies en éventail (4-1). Les saillies en éventail (4-1) sont placées dans les fentes en éventail (3-3). La partie de disque annulaire côté intérieur (3-1) est uniformément pourvue de multiples trous traversants axiaux (3-4). La partie de disque annulaire côté intérieur (3-1) et la partie de disque annulaire côté extérieur (3-2) sont pourvues de trous traversants radiaux (3-5). Une extrémité du trou traversant radial (3-5) est en communication avec le trou traversant axial (3-4), et l'autre extrémité de celui-ci est directement reliée à une surface annulaire extérieure de la partie de disque annulaire côté extérieur (3-2). Le segment de frein (6) est pourvu de multiples canaux d'eau de refroidissement (6-1). Pendant le freinage, la chaleur absorbée par le segment de frein (6) est dissipée par l'eau de refroidissement, et la chaleur absorbée par le disque de frein (1) est dissipée par le biais d'un passage de dissipation de chaleur formé par un passage d'air axial et un passage d'air radial, ceci garantissant que la température du disque de frein (1) reste également faible.
PCT/CN2017/080266 2016-12-29 2017-04-12 Frein à disque refroidi à l'air et à l'eau WO2018120499A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201611243653.8A CN106763336A (zh) 2016-12-29 2016-12-29 一种风冷加水冷双作用式盘式制动装置
CN201611243653.8 2016-12-29

Publications (1)

Publication Number Publication Date
WO2018120499A1 true WO2018120499A1 (fr) 2018-07-05

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PCT/CN2017/080266 WO2018120499A1 (fr) 2016-12-29 2017-04-12 Frein à disque refroidi à l'air et à l'eau

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CN (1) CN106763336A (fr)
WO (1) WO2018120499A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111465300A (zh) * 2020-06-09 2020-07-28 福州妆缘红电子科技有限公司 一种利用风冷水冷维持通信机柜最佳工作温度装置
CN114791022A (zh) * 2022-04-29 2022-07-26 西安航空制动科技有限公司 一种用于电磁弹射的制动装置

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* Cited by examiner, † Cited by third party
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CN108362596A (zh) * 2018-02-01 2018-08-03 燕山大学 电梯制动器摩擦材料摩擦磨损性能评价实验机
CN109027060B (zh) * 2018-09-26 2020-01-21 龙口市江达汽车配件有限公司 一种汽车用刹车盘
CN110513412B (zh) * 2019-09-06 2021-08-03 大连交通大学 一种铝-钢铁组合式轨道车辆制动盘
CN111301367B (zh) * 2020-03-30 2024-10-01 吉林大学 一种用于碳纤维复合材料制动盘的双向浮动固定结构

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CN103062261A (zh) * 2011-10-21 2013-04-24 奥迪股份公司 内部通风的制动盘
CN203348390U (zh) * 2013-05-30 2013-12-18 常州南车铁马科技实业有限公司 高速列车的制动盘
CN203793312U (zh) * 2014-01-20 2014-08-27 陕西科技大学 一种大型车辆制动散热装置

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US3809192A (en) * 1970-03-25 1974-05-07 Porsche Kg Brake disk for disk brakes
DE19957484A1 (de) * 1999-11-23 2001-06-13 Mannesmann Ag Innenbelüftete Bremsscheibe
CN201428763Y (zh) * 2009-06-05 2010-03-24 北京北石海泰石油装备有限公司 一种摩擦盘及其刹车盘及使用该刹车盘的石油钻机
CN103062261A (zh) * 2011-10-21 2013-04-24 奥迪股份公司 内部通风的制动盘
CN203348390U (zh) * 2013-05-30 2013-12-18 常州南车铁马科技实业有限公司 高速列车的制动盘
CN203793312U (zh) * 2014-01-20 2014-08-27 陕西科技大学 一种大型车辆制动散热装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111465300A (zh) * 2020-06-09 2020-07-28 福州妆缘红电子科技有限公司 一种利用风冷水冷维持通信机柜最佳工作温度装置
CN111465300B (zh) * 2020-06-09 2020-12-22 国网黑龙江省电力有限公司电力科学研究院 一种利用风冷水冷维持通信机柜最佳工作温度装置
CN114791022A (zh) * 2022-04-29 2022-07-26 西安航空制动科技有限公司 一种用于电磁弹射的制动装置
CN114791022B (zh) * 2022-04-29 2023-06-30 西安航空制动科技有限公司 一种用于电磁弹射的制动装置

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