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WO2018120499A1 - Disc brake cooled by both air and water - Google Patents

Disc brake cooled by both air and water 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
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WO
WIPO (PCT)
Prior art keywords
disc
brake
cooled
annular disc
hole
Prior art date
Application number
PCT/CN2017/080266
Other languages
French (fr)
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/en

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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
    • 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.

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

Abstract

A disc brake cooled by both air and water comprises a brake disc (1) and a brake shoe (6). The brake disc (1) comprises a brake disc base (3). The brake disc base (3) comprises an inner side annular disc portion (3-1) and an outer side annular disc portion (3-2). A hub (2) is fixedly connected to the inner side annular disc portion (3-1). Two sides of the outer side annular disc portion (3-2) are both provided with multiple fan-shaped slots (3-3). One side of an asbestos-free friction plate (4) is provided with fan-shaped protrusions (4-1). The fan-shaped protrusions (4-1) are mounted in the fan-shaped slots (3-3). The inner side annular disc portion (3-1) is evenly provided with multiple axial through holes (3-4). The inner side annular disc portion (3-1) and the outer side annular disc portion (3-2) are provided with radial through holes (3-5). One end of the radial through hole (3-5) is in communication with the axial through hole (3-4), and the other end thereof is directly connected to an outer annular surface of the outer side annular disc portion (3-2). The brake shoe (6) is provided with multiple cooling water channels (6-1). During braking, heat absorbed by the brake shoe (6) is taken away by cooling water, and heat absorbed by the brake disc (1) is taken away by a heat dissipation passage formed by an axial air passage and a radial air passage, ensuring that the temperature of the brake disc (1) also remains low.

Description

一种风冷加水冷双作用式盘式制动装置Air-cooled and water-cooled double-acting disc brake device 技术领域Technical field
本发明涉及一种风冷加水冷双作用式盘式制动装置，用于实现高速重载提升机或大运量下运带式输送机长时间制动，同时能保证制动摩擦面不会因温升过高而引起制动失效。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.
背景技术Background technique
由于盘式制动装置具有结构简单、制动力矩大的特点，提升机以及下运带式输送机普遍采用盘式制动装置实现停车和驻车制动，以确保设备的安全运行。现有的盘式制动装置中制动盘采用钢板制作而成，材料为16Mn或性能类似的材料，而制动闸瓦则采用无石棉摩擦材料制作而成。由于摩擦材料的特性，制动过程闸瓦与制动盘摩擦产生的热量约70％被制动盘吸收，30％被闸瓦吸收，制动盘由于在不停地旋转，只能通过空气散热，散热效率较低。因而制动过程中制动盘与闸瓦摩擦产生的热量很难快速散掉，很容易产生由于温度过高而导致的闸瓦摩擦特性发生变化，引起制动失效，造成重大事故。Due to the simple structure and large braking torque of the disc brake device, 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. In the existing disc brake device, 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. Therefore, the heat generated by the friction between the brake disc and the brake shoe during the braking process is difficult to be quickly dissipated, and it is easy to cause a change in the friction characteristics of the brake shoe due to the excessive temperature, causing the brake to fail and causing a major accident.
发明内容Summary of the invention
发明目的：本发明的目的是克服已有技术中的不足之处，提供一种既能满足结构简单、制动力矩大的要求，又能实现制动过程中制动摩擦面产生的热量快速散掉，从而确保摩擦制动性能的盘式制动装置。OBJECT OF THE INVENTION: 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.
为了实现上述目的，本发明采用了如下的技术方案：一种风冷加水冷双作用式盘式制动装置，包括制动盘以及布置在制动盘一侧边缘位置的闸瓦；所述制动盘包括轮毂、制动盘基体、无石棉摩擦板以及螺钉，制动盘基体包括内侧环形圆盘部分和外侧环形圆盘部分，内侧环形圆盘部分厚度大于外侧环形圆盘部分厚度，轮毂与内侧环形圆盘部分固定连接，沿外侧环形圆盘部分两侧的环形圆盘面均布有若干扇形槽，无石棉摩擦板呈扇形，在无石棉摩擦板一侧设有与扇形槽尺寸相匹配的扇形凸起，该扇形凸起安装于的扇形槽内并通过螺钉固定，沿内侧环形圆盘部分的环形圆盘面均布有若干轴向通孔，在内侧环形圆盘部分和外侧环形圆盘部分上设有与轴向通孔对应的径向通孔，径向通孔一端连通轴向通孔，径向通孔另一端直通外侧环形圆盘部分的外圆面；所述闸瓦上开设有若干冷却水通道。In order to achieve the above object, the present invention adopts the following technical solution: 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. a scalloped projection, 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.
进一步的，所述轴向通孔与扇形槽数量相等，并且每一个轴向通孔均位于相邻两个扇形槽中间的位置。Further, 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.
进一步的，所述径向通孔位于内侧环形圆盘部分和外侧环形圆盘部分的厚度中心处。 Further, the radial through holes are located at the center of the thickness of the inner annular disk portion and the outer annular disk portion.
进一步的，所述冷却水通道平行于制动盘的盘面。Further, the cooling water passage is parallel to the disk surface of the brake disc.
进一步的，所述冷却水通道靠近制动盘中心轴的一端为冷却水进口，冷却水通道的另一端为冷却水出口。Further, 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.
进一步的，所述冷却水通道位于闸瓦的厚度中心处。Further, the cooling water passage is located at the center of the thickness of the brake shoe.
进一步的，所述闸瓦采用金属材料。Further, the brake shoe is made of a metal material.
进一步的，所述闸瓦材料为16Mn。Further, the brake shoe material is 16Mn.
有益效果：本发明中无石棉摩擦板固定在制动盘基体上，闸瓦采用金属材料，制动过程中，摩擦产生热量的70％被闸瓦吸收，30％被制动盘吸收，制动过程中闸瓦吸收的热量由冷却水带走，而制动盘吸收的热量则通过制动盘基体上轴向风道和径向风道构成的散热通道带走，确保了制动摩擦面保持一个较低的温度，从而避免因制动摩擦面温度过高而导致的制动失效。Advantageous Effects: In the present invention, the asbestos-free friction plate is fixed on the brake disc base body, and the brake shoe is made of metal material. During the braking process, 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. During the process, 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. A lower temperature to avoid brake failure due to excessive temperature on the brake friction surface.
附图说明DRAWINGS
图1是本发明的盘式制动装置结构示意图。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a schematic view showing the structure of a disc brake device of the present invention.
图2是图1中A-A剖视图。Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
图3是图1中B-B剖视图。Figure 3 is a cross-sectional view taken along line B-B of Figure 1.
图4是图1中C-C剖视图。Figure 4 is a cross-sectional view taken along line C-C of Figure 1.
图5是闸瓦结构示意图。Figure 5 is a schematic view of the brake shoe structure.
图6是图5中H-H剖视图。Figure 6 is a cross-sectional view taken along line H-H of Figure 5;
图中：1-制动盘，2-轮毂，3-制动盘基体，3-1-内侧环形圆盘部分，3-2-外侧环形圆盘部分，3-3-扇形槽，3-4-轴向通孔，3-5-径向通孔，4-无石棉摩擦板，4-1-扇形凸起，5-螺钉，6-闸瓦，6-1-冷却水通道，6-2-冷却水进口，6-3-冷却水出口。In the figure: 1-brake disc, 2-wheel hub, 3-brake disc base, 3-1-inside annular disc section, 3-2-outer annular disc section, 3-3-fan slot, 3-4 - Axial through hole, 3-5-radial through hole, 4-no asbestos friction plate, 4-1-fan bulge, 5-screw, 6-brake, 6-1-cooling water channel, 6-2 - Cooling water inlet, 6-3-cooling water outlet.
具体实施方式：detailed description:
下面结合附图对本发明做更进一步的解释。The invention will be further explained below in conjunction with the drawings.
如图1所示，本发明的一种风冷加水冷双作用式盘式制动装置，包括制动盘1以及布置在制动盘1一侧边缘位置的闸瓦6。As shown in FIG. 1, 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.
如图1、2、3和4所示，所述制动盘1包括轮毂2、制动盘基体3、无石棉摩擦板4以及螺钉5。制动盘基体3包括内侧环形圆盘部分3-1和外侧环形圆盘部分3-2，内侧环形圆盘部分3-1厚度大于外侧环形圆盘部分3-2厚度，轮毂2与内侧环形圆盘部分3-1固定连接。沿外侧环形圆盘部分3-2两侧的环形圆盘面均布有若干扇形槽3-3，无石棉摩擦板4呈扇形，在无石棉摩擦板4一侧设有与扇形槽3-3尺寸相匹配的扇形凸起4-1，该扇形凸起4-1安装于的扇形槽内4-1并通过螺钉5固定，进而将无石棉摩擦板4与外侧环形圆盘部分3-2固定。沿内侧环形圆盘部分3-1的环形圆盘面均布有若干轴向通孔 3-4，轴向通孔3-4沿制动盘1中心轴方向贯穿内侧环形圆盘部分3-1，轴向通孔3-4作为轴向风道，在内侧环形圆盘部分3-1和外侧环形圆盘部分3-2上设有与轴向通孔3-4对应的径向通孔3-5，所述径向通孔3-5位于内侧环形圆盘部分3-1和外侧环形圆盘部分3-2的厚度中心处，并沿制动盘1径方向贯穿向外侧环形圆盘部分3-2，径向通孔3-5一端连通轴向通孔3-4，径向通孔3-5另一端直通外侧环形圆盘部分3-2的外圆面，径向通孔3-5用作径向风道。As shown in Figures 1, 2, 3 and 4, 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 3-4. The other end of the through hole 3-5 is passed through the outer circular surface of the outer annular disk portion 3-2, and the radial through hole 3-5 serves as a radial air passage.
本实施例中，所述外侧环形圆盘部分3-2的每一侧环形圆盘面均设有八个扇形槽3-3，两侧一共十六个扇形槽3-3，轴向通孔3-4与扇形槽3-3数量相等，也是十六个，并且每一个轴向通孔3-4均位于相邻两个扇形槽3-3中间的位置。In this embodiment, 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.
如图1、5和6，所述闸瓦6采用金属材质，闸瓦6上开设有若干冷却水通道6-1。所述冷却水通道6-1位于闸瓦6的厚度中心处，并且冷却水通道6-1平行于制动盘1的盘面。冷却水通道6-1靠近制动盘1中心轴的一端为冷却水进口6-2，冷却水通道6-1的另一端为冷却水出口6-3。As shown in Figures 1, 5 and 6, 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.
本实施例中，所述闸瓦6材质为16Mn。In this embodiment, the brake shoe 6 is made of 16Mn.
本发明盘式制动装置开始实施制动时，冷却水从冷却水进口6-2流入冷却水通道6-1，从冷却水出口6-3流出，制动过程中闸瓦吸收的热量由冷却水带走，而制动盘吸收的热量则通过制动盘基体3上轴向风道和径向风道构成的散热通道带走，以确保制动盘也保持一个较低的温度，制动过程中，摩擦产生热量的70％被闸瓦6吸收，30％被制动盘1吸收。When the disc brake device of the present invention starts to perform braking, 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 During the process, 70% of the heat generated by the friction is absorbed by the brake shoe 6, and 30% is absorbed by the brake disk 1.
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本发明的保护范围。 The above description is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. It should be considered as the scope of protection of the present invention.

Claims (8)

  1. 一种风冷加水冷双作用式盘式制动装置，包括制动盘(1)以及布置在制动盘(1)一侧边缘位置的闸瓦(6)；其特征在于：所述制动盘(1)包括轮毂(2)、制动盘基体(3)、无石棉摩擦板(4)以及螺钉(5)，制动盘基体(3)包括内侧环形圆盘部分(3-1)和外侧环形圆盘部分(3-2)，内侧环形圆盘部分(3-1)厚度大于外侧环形圆盘部分(3-2)厚度，轮毂(2)与内侧环形圆盘部分(3-1)固定连接，沿外侧环形圆盘部分(3-2)两侧的环形圆盘面均布有若干扇形槽(3-3)，无石棉摩擦板(4)呈扇形，在无石棉摩擦板(4)一侧设有与扇形槽(3-3)尺寸相匹配的扇形凸起(4-1)，该扇形凸起(4-1)安装于的扇形槽内(4-1)并通过螺钉(5)固定，沿内侧环形圆盘部分(3-1)的环形圆盘面均布有若干轴向通孔(3-4)，在内侧环形圆盘部分(3-1)和外侧环形圆盘部分(3-2)上设有与轴向通孔(3-4)对应的径向通孔(3-5)，径向通孔(3-5)一端连通轴向通孔(3-4)，径向通孔(3-5)另一端直通外侧环形圆盘部分(3-2)的外圆面；所述闸瓦(6)上开设有若干冷却水通道(6-1)。An air-cooled and water-cooled double-acting disc brake device comprising a brake disc (1) and a brake shoe (6) disposed at a side edge of the brake disc (1); characterized in that: the brake The disc (1) comprises a hub (2), a brake disc base (3), a non-asbestos friction plate (4) and a screw (5), the brake disc base (3) comprising an inner annular disc portion (3-1) and The outer annular disc portion (3-2), the inner annular disc portion (3-1) is thicker than the outer annular disc portion (3-2), and the hub (2) and the inner annular disc portion (3-1) Fixed connection, a plurality of sector-shaped grooves (3-3) are distributed along the annular disc faces on both sides of the outer annular disc portion (3-2), and the asbestos-free friction plate (4) is fan-shaped, in the non-asbestos friction plate (4) One side is provided with a fan-shaped projection (4-1) matching the size of the sector groove (3-3), and the sector-shaped projection (4-1) is mounted in the fan-shaped groove (4-1) and passed through a screw ( 5) Fixed, the annular disc faces along the inner annular disc portion (3-1) are evenly distributed with a plurality of axial through holes (3-4), the inner annular disc portion (3-1) and the outer annular disc The portion (3-2) is provided with a radial through hole (3-5) corresponding to the axial through hole (3-4), and one end of the radial through hole (3-5) is connected to the axial direction. The other end of the hole (3-4), the radial through hole (3-5) is straight to the outer circular surface of the outer annular disk portion (3-2); the brake shoe (6) is provided with a plurality of cooling water passages (6) -1).
  2. 根据权利要求1所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述轴向通孔(3-4)与扇形槽(3-3)数量相等，并且每一个轴向通孔(3-4)均位于相邻两个扇形槽(3-3)中间的位置。An air-cooled and water-cooled double-acting disc brake device according to claim 1, wherein said axial through hole (3-4) is equal in number to the sector groove (3-3), and each One axial through hole (3-4) is located between the two adjacent sector slots (3-3).
  3. 根据权利要求2所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述径向通孔(3-5)位于内侧环形圆盘部分(3-1)和外侧环形圆盘部分(3-2)的厚度中心处。An air-cooled and water-cooled double-acting disc brake device according to claim 2, wherein said radial through hole (3-5) is located at the inner annular disc portion (3-1) and outside The center of the thickness of the annular disc portion (3-2).
  4. 根据权利要求1所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述冷却水通道(6-1)平行于制动盘(1)的盘面。The air-cooled and water-cooled double-acting disc brake device according to claim 1, characterized in that the cooling water passage (6-1) is parallel to the disc surface of the brake disc (1).
  5. 根据权利要求4所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述冷却水通道(6-1)靠近制动盘(1)中心轴的一端为冷却水进口(6-2)，冷却水通道(6-1)的另一端为冷却水出口(6-3)。The air-cooling and water-cooling double-acting disc brake device according to claim 4, wherein the cooling water passage (6-1) is near the central axis of the brake disc (1) as cooling water. The inlet (6-2) and the other end of the cooling water passage (6-1) are cooling water outlets (6-3).
  6. 根据权利要求5所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述冷却水通道(6-1)位于闸瓦(6)的厚度中心处。The air-cooled and water-cooled double-acting disc brake device according to claim 5, characterized in that the cooling water passage (6-1) is located at the center of the thickness of the brake shoe (6).
  7. 根据权利要求6所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述闸瓦(6)采用金属材料。The air-cooled and water-cooled double-acting disc brake device according to claim 6, characterized in that the brake shoe (6) is made of a metal material.
  8. 根据权利要求7所述的一种风冷加水冷双作用式盘式制动装置，其特征在于：所述闸瓦(6)材料为16Mn。 The air-cooled and water-cooled double-acting disc brake device according to claim 7, wherein the brake shoe (6) material is 16Mn.
PCT/CN2017/080266 2016-12-29 2017-04-12 Disc brake cooled by both air and water WO2018120499A1 (en)

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