WO2010058664A1 - ユニットブレーキ - Google Patents

ユニットブレーキ Download PDF

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Publication number
WO2010058664A1
WO2010058664A1 PCT/JP2009/067714 JP2009067714W WO2010058664A1 WO 2010058664 A1 WO2010058664 A1 WO 2010058664A1 JP 2009067714 W JP2009067714 W JP 2009067714W WO 2010058664 A1 WO2010058664 A1 WO 2010058664A1
Authority
WO
WIPO (PCT)
Prior art keywords
shoe head
brake
push rod
shoe
link member
Prior art date
Application number
PCT/JP2009/067714
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
吉雄 麻野
光正 森田
秀幸 大家
Original Assignee
ナブテスコ株式会社
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 ナブテスコ株式会社 filed Critical ナブテスコ株式会社
Priority to EP09827445.9A priority Critical patent/EP2357376B1/en
Priority to JP2010539188A priority patent/JP5284367B2/ja
Priority to KR1020117011806A priority patent/KR101268671B1/ko
Priority to CN2009801455622A priority patent/CN102216640B/zh
Publication of WO2010058664A1 publication Critical patent/WO2010058664A1/ja
Priority to HK12101712.1A priority patent/HK1161626A1/xx

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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
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • F16D65/16—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake
    • F16D65/22—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position arranged in or on the brake adapted for pressing members apart, e.g. for drum brakes
    • 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
    • F16D49/00—Brakes with a braking member co-operating with the periphery of a drum, wheel-rim, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T1/00—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles
    • B60T1/02—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels
    • B60T1/04—Arrangements of braking elements, i.e. of those parts where braking effect occurs specially for vehicles acting by retarding wheels acting directly on tread
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H1/00—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like
    • B61H1/003—Applications or arrangements of brakes with a braking member or members co-operating with the periphery of the wheel rim, a drum, or the like with an actuator directly acting on a brake head
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H13/00—Actuating rail vehicle brakes
    • 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
    • F16D65/14—Actuating mechanisms for brakes; Means for initiating operation at a predetermined position
    • 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
    • F16D2121/00—Type of actuator operation force
    • F16D2121/02—Fluid pressure
    • 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
    • F16D2125/00—Components of actuators
    • F16D2125/18—Mechanical mechanisms
    • F16D2125/58—Mechanical mechanisms transmitting linear movement
    • F16D2125/66—Wedges

Definitions

  • the present invention relates to a unit brake that is used in a railway vehicle or the like and presses a brake shoe against a wheel to brake the rotation of the wheel.
  • a unit brake described in Patent Document 1 is known as a unit brake for pressing a brake shoe against a wheel to brake the rotation of the wheel.
  • the unit brake includes a main body having a pressure fluid supply / exhaust port, a push rod that protrudes outside the main body and is connected to a tip at a tip, a support arm provided on an upper portion of the main body, and one end of the main body. And a lifting tool pivotally supported on the tip of the push rod by the other end. According to this configuration, since the push bar is supported from the support arm via the hanger, the load acting on the push bar can be reduced.
  • the support arm extends above the push rod and the control device in order to prevent interference between the suspension tool, the support arm and the control device. Therefore, it is easy to interfere with bogie equipment (such as bogie components and air piping) arranged above the control wheel.
  • bogie equipment such as bogie components and air piping
  • the present invention has an object to provide a unit brake capable of reducing a load acting on a push rod and suppressing interference with a cart equipment or the like disposed above by considering the above situation.
  • the unit brake according to the present invention has the following features in order to achieve the above object. That is, the unit brake of the present invention has the following features alone or in combination as appropriate.
  • a first feature of the unit brake according to the present invention for achieving the above object is that a push rod provided so as to be movable forward and backward from the brake body, and a tip of the push rod in the advance direction are rotatably connected to each other, and a wheel A shoe head to which a brake shoe for braking the rotation of the wheel is attached, and above the connecting position of the shoe head with the push rod, the shoe head is substantially parallel to the rotation axis of the shoe head with respect to the push rod.
  • a support arm connected to be rotatable about a substantially parallel axis.
  • the shoe head can be supported from the support arm via the link member.
  • the load which acts on a push rod can be reduced.
  • the support arm is provided below the push bar, and the link member is disposed between the support arm and the shoe head, so that the support arm and the link member are located above the shoe head. It is difficult to interfere with the cart equipment that is placed.
  • a second feature of the unit brake according to the present invention is that the unit brake includes an extending portion that is integrally formed with the push rod and is connected to a position away from a connection position with the push rod in the shoe head. .
  • This configuration can restrict the shoe head from tilting with respect to the push rod.
  • a third feature of the unit brake according to the present invention is that the extension portion is connected to the shoe head so as to restrict the tilting of the shoe head with respect to the push rod by friction.
  • the shoe head when a force larger than a predetermined frictional force that restricts the inclination of the shoe head is applied to the shoe head, the shoe head is inclined with respect to the push rod. Therefore, even when the angle of the braking surface of the brake shoe is not appropriate during braking and a gap is generated between the wheel and the brake shoe, the angle of the shoe head is adjusted to an appropriate angle as follows. . That is, when the shoe head is pushed to the wheel side by the push rod, the tilting force acts on the shoe head exceeding the predetermined frictional force, and the shoe head is automatically adjusted to an appropriate angle. Thereby, at the time of a brake, the adhesiveness of a wheel and a brake shoe can be improved.
  • a fourth feature of the unit brake according to the present invention is that the support arm is located above a connection position between the extension portion and the shoe head.
  • the support arm is not disposed at a position lower than the shoe head, it is possible to prevent the support arm from coming into contact with a member or the like placed on the ground side when the vehicle is traveling.
  • a fifth feature of the unit brake according to the present invention is that the adjusting body has a support shaft that is provided so as to move forward and backward together with the push rod inside the brake body and extends perpendicularly to the forward and backward direction of the push rod. And a roller provided rotatably on the support shaft, and a drive mechanism provided inside the brake body, in a direction perpendicular to the advancing and retreating direction of the push rod and in a direction perpendicular to the support shaft.
  • a wedge body that is moved, and the wedge body is capable of biasing the roller in the advancing direction of the push rod when moved toward the roller, and is inclined with respect to the moving direction of the wedge body Having a surface.
  • the mechanism for moving the push rod back and forth can be configured to be small in the direction perpendicular to the advance and retreat direction of the push rod and perpendicular to the support shaft.
  • a sixth feature of the unit brake according to the present invention is that the support shaft is disposed so as to extend in the vertical direction, and the support arm is located above the position of the lower end of the support shaft and the link member. It is to be connected to.
  • the support arm is not disposed at a position lower than the lower end of the support shaft, it is possible to prevent the support arm from coming into contact with a member or the like placed on the ground side when the vehicle is traveling.
  • the present invention by supporting the shoe head with the support arm via the link member, it is possible to reduce the load acting on the push rod, and the support arm and the link member interfere with cart equipment and the like. This can be suppressed.
  • S2-S2 cross-sectional schematic diagram of the unit brake 1 shown in FIG. FIG. 4 is an enlarged view of the friction mechanism shown in FIG. 3.
  • a unit brake for braking the rotation of wheels of a railway vehicle will be described as an example.
  • the direction parallel to the rotation axis of the wheel is the “vehicle width direction”
  • the direction parallel to the vehicle traveling direction is the “vehicle front-rear direction”
  • the vehicle width direction is the vehicle width direction
  • the vehicle front-rear direction is the direction perpendicular to the vehicle.
  • a direction perpendicular to the vehicle is referred to as “the vertical direction of the vehicle”.
  • the unit brake 1 shown in FIGS. 1 to 3 is connected to a box-shaped brake body 11 having a pressure fluid supply / discharge port 11 a, a push bar 12 provided to be movable forward and backward from the brake body 11, and a tip of the push bar 12.
  • a brake shoe (not shown) is attached to the front surface of the shoe head 13 to abut against the tread surface of the wheel and brake the rotation of the wheel.
  • the push rod 12 is moved by a mechanism in the brake main body 11 to be described later in a direction to advance toward the wheel (in the direction of arrow X1 in FIG. 1) and in a direction to retreat from the wheel (in the direction of arrow X2 in FIG. 1).
  • the shoe head 13 has a pair of side plates 31 and 31 arranged in parallel at a predetermined interval, and a front plate portion 32 curved in an arc shape connected to the front edge of the pair of side plates.
  • the front plate portion 32 is divided into an upper side and a lower side.
  • the front end portion of the push rod 12 in the advancing direction is disposed between the pair of side plates 31, 31, and the shoe head pin 91 extending in the vehicle width direction penetrates the pair of side plates 31, 31 and the front end portion of the push rod 12. is doing. Thereby, the shoe head 13 is connected to the push rod 12 so as to be rotatable around the shoe head pin 91.
  • the push rod 12 is provided with an extending plate 16 (extending portion) that extends downward at the distal end in the advancing direction.
  • the extension plate 16 is formed integrally with the push rod 12, is bent about 90 degrees from the push rod 12, and extends downward. Further, as shown in an enlarged view in FIG. 4, the lower end portion of the extension plate 16 has surfaces 16 a and 16 a parallel to the advancing and retreating direction of the push rod 12. Further, the lower end portion of the extension plate 16 is located between the pair of side plates 31, 31 of the shoe head 13. In addition, a long hole 16b extending in a direction substantially coinciding with the rotation direction of the shoe head 13 is formed at the lower end of the extension plate 16 (see FIG. 1).
  • Concentric holes 31a are respectively provided in the side plates 31 and 31 of the shoe head 13 sandwiching the long hole 16b.
  • a spring box 33 is fitted into the concentric hole 31a so as to be slidable in the axial direction.
  • a winding spring 34 is housed in the inward space of the spring box 33. Further, the mounting bolt 35 is inserted into the center hole 33a of the spring box 33, and the double nut 38 is tightened so that the spring box 33 can be tightened inward.
  • Friction plates 36, 36 are sandwiched between parallel surfaces 16a, 16a on both sides of the extension plate 16 and washers 37, 37.
  • the urging forces of the winding springs 34 and 34 act on the washers 37 and 37 inwardly.
  • the friction plates 36 and 36 and the washers 37 and 37 are supported by the mounting bolts 35 penetrating the long hole 16b, and the pressing force of the friction plates 36 and 36 to the extension plate 16 by the tightening of the double nut 38 is achieved. Can be adjusted.
  • the upper end portion of the link member 14 is connected to the upper end portion of the shoe head 13 so as to be rotatable about an axis parallel to the shoe head pin 91.
  • the link member 14 has a pair of plate-like members 14 a and 14 a that are arranged on both sides of the shoe head 13 and extend vertically.
  • the pair of plate-like members 14a and 14a have shaft portions 14b and 14b protruding in the vehicle width direction at the upper end portions.
  • a through hole 13a penetrating in the width direction of the vehicle is formed at the upper end of the shoe head 13.
  • the pair of plate-like members 14 a and 14 a are inserted into the through holes 13 a of the shoe head 13 from both sides with the shaft portions 14 b and 14 b.
  • the shafts of the connecting bolts 94 are inserted into the through holes 14c, 14c formed concentrically with the shaft centers of the shaft portions 14b, 14b in a state where the tips of the shaft portions 14b, 14b are in contact with each other.
  • 14b and 14b are sandwiched between the head of the connecting bolt 94 and the nut 95 from both sides and are integrally connected.
  • the link member 14 is rotatably connected to the shoe head 13 with the shaft portions 14b and 14b as the rotation shaft.
  • the brake body 11 is integrally provided with a pair of support arms 15, 15 that protrude in the advance direction of the push rod 12.
  • the pair of support arms 15 and 15 are provided at the lower end portion of the brake body 11 so as to be positioned on both sides in the width direction of the shoe head 13.
  • the lower ends of the pair of plate-like members 14 a and 14 a in the link member 14 are connected to the pair of support arms 15 and 15 via link stop pins 92, respectively.
  • the link fixing pin 92 is disposed in parallel with the shoe head pin 91.
  • the pair of support arms 15, 15 are positioned above both ends of the mounting bolt 35 provided at the lower end of the shoe head 13.
  • the unit brake 1 is provided in the brake body 11 so as to be movable in the width direction of the vehicle, a spring 22 that urges the piston 21 toward the supply / exhaust port 11a, and a push rod 12 in the vertical direction.
  • An adjustment body 25 having a pair of support shafts 24, 24 projecting from both of them, and a first roller 26, 26 and a second roller 27, 27 provided rotatably on the pair of support shafts 24, 24, respectively.
  • the brake body 11 behind the first rollers 26, 26 is provided with third rollers 28, 28 provided to face the first rollers 26, 26 and a pair of wedge bodies 29, 29 fixed to the piston 21.
  • the adjustment body 25 is provided via a sleeve 23 with respect to the push rod 12 in the brake body 11, and moves forward and backward together with the push rod 12.
  • the wedge body 29 is disposed so that the proximal end side is fixed to the piston 21 and a tapered tip formed between the first roller 26 and the third roller 28 is inserted.
  • the wedge body 29 has a reaction surface 29a extending substantially parallel to the width direction of the vehicle, and an action surface 29b inclined with respect to the reaction surface 29a.
  • a pair of wedge bodies 29 are provided in the vertical direction of the vehicle.
  • the piston 21 moves so as to push the leading end of the wedge body 29 between the first roller 26 and the third roller 28 when pressure fluid is supplied from the supply / discharge port 11 a to the pressure chamber 11 b of the brake body 11. . That is, it moves in the direction of arrow Y1 (hereinafter referred to as “brake direction”) in FIG. Further, the spring 22 biases the piston 21 in the direction opposite to the brake direction (in the direction of arrow Y2 in FIG. 2).
  • the second roller 27 is provided at the end of the support shaft 24 in the adjustment body 25.
  • the first roller 26 is provided at a position closer to the sleeve 23 than the second roller 27.
  • the third roller 28 is rotatably provided on the brake body 11 via a roller pin 93 extending vertically.
  • the brake body 11 is provided with a guide 11c for the second roller 27 to contact and rotate.
  • the guide 11 c is provided on the side opposite to the piston 21 when viewed from the second roller 27.
  • the surface of the guide 11c that contacts the second roller 27 is a surface that is perpendicular to the moving direction of the piston 21.
  • the shoe head 13 moves in the direction of the tread of the wheel while moving somewhat up and down by rotation about the link stop pin 92 at the lower end of the link member 14. Since the push rod 12 is connected to the sleeve 23 via a spherical bearing (not shown), an arcuate movement of the tip of the push rod 12 in the vertical direction is allowed.
  • the rotation of the shoe head 13 around the shoe head pin 91 is restricted by the frictional force of the friction plate 36 provided between the extending plate 16 extending from the push rod 12 and the lower end portion of the shoe head 13. . Therefore, the inclination of the shoe head 13 with respect to the push rod 12 does not change until the brake shoe contacts the wheel. Then, the brake shoe provided on the shoe head 13 comes into contact with the tread surface of the wheel to brake the rotation of the wheel.
  • the unit brake 1 is rotatably connected to the push rod 12 provided so as to be able to move forward and backward from the brake body 11 and the distal end portion of the push rod 12 in the advancing direction, and comes into contact with the wheel to rotate the wheel.
  • the shoe head 13 to which the brake shoe for braking the shoe is attached, and the shoe head 13 is pivotable about an axis substantially parallel to the pivot axis of the shoe head 13 with respect to the push rod 12 above the connection position of the shoe head 13 with the push rod 12.
  • the link member 14 connected to the brake body 11 is provided below the connecting position between the shoe head 13 and the push rod 12, and the link member 14 has an axis substantially parallel to the rotation axis of the shoe head 13 with respect to the push rod 12.
  • a support arm 15 that is rotatably connected to the support arm 15.
  • the shoe head 13 can be supported from the support arm 15 via the link member 14. That is, since a part of the vertical force acting on the shoe head 13 acts on the support arm 15 via the link member 14, the vertical force transmitted from the shoe head 13 to the push rod 12 can be reduced. Thereby, the load concerning the push rod 12 can be reduced.
  • the support arm 15 is provided below the push rod 12, and the link member 14 is disposed between the support arm 15 and the shoe head 13, and the link member 14 is above the upper end of the shoe head 13. Does not protrude. For this reason, the support arm 15 and the link member 14 are unlikely to interfere with cart equipment and the like disposed above the shoe head 13.
  • an extension plate 16 that is integrally formed with the push rod 12 and is connected to a position away from the connection position with the push rod 12 in the shoe head 13 is provided.
  • the tilt of the shoe head 13 with respect to the push rod 12 can be restricted.
  • it is not restricted to the case where it connects via the friction board 36, Even if it is the structure which connected the extension board 16 and the shoe head 13 with the pin etc., there exists the same effect.
  • extension plate 16 is connected to the shoe head 13 so as to regulate the tilting of the shoe head 13 with respect to the push rod 12 by friction.
  • the shoe head 13 acts on the push bar 12 to the shoe head pin. Rotate around 91. Therefore, even when the angle of the braking surface of the brake shoe is not appropriate during braking and a gap is generated between the wheel and the brake shoe, the angle of the shoe head 13 is adjusted to an appropriate angle as follows. The That is, when the shoe head 13 is pushed into the wheel side and only the upper or lower side of the brake shoe comes into contact with the tread surface of the wheel, the rotational force around the shoe head pin 91 acts on the shoe head 13.
  • the angle of the shoe head 13 is set so that the brake shoe uniformly contacts the tread surface of the wheel. It is automatically adjusted to be inclined. Thereby, the adhesiveness of a wheel and a brake shoe at the time of a brake increases.
  • the support arm 15 since the support arm 15 is located above the connection position between the extension plate 16 and the shoe head 13, the support arm 15 contacts a member or the like placed on the ground side when the vehicle travels. Can be prevented.
  • the unit brake 1 is provided so as to move forward and backward with the push rod 12 inside the brake main body 11, and an adjustment body 25 having a support shaft 24 extending perpendicularly to the forward and backward direction of the push rod 12, and a support shaft 24.
  • a first roller 26 that is rotatably provided on the inside of the brake body 11 and a push rod that resists the biasing force of the spring 22 by supplying pressure fluid from the supply / discharge port 11a to the pressure chamber 11b.
  • 12 includes a piston 21 that moves in a direction perpendicular to the advancing and retreating direction of 12 and a direction perpendicular to the support shaft, and a wedge body 29 fixed to the piston 21.
  • the wedge body 29 has a working surface 29 b that is inclined with respect to the moving direction of the wedge body 29.
  • the first roller 26 is urged in the advancing direction of the push rod 12 by the action surface 29 b.
  • the mechanism for moving the push rod 12 forward and backward can be formed small in the direction perpendicular to the advance and retreat direction of the push rod 12 and perpendicular to the support shaft 24.
  • the mechanism for moving the push rod 12 forward and backward can be configured to be small in the width direction of the vehicle.
  • the support arm 15 since the support arm 15 is connected to the link member 14 above the position of the lower end of the support shaft 24, the support arm 15 comes into contact with a member or the like placed on the ground side when the vehicle is traveling. Can be prevented.
  • the support shaft 24 is accommodated in the brake body 11 and moves forward and backward within the brake body 11 within a predetermined range. For this reason, the space ahead of the position where the support shaft 24 has advanced most toward the shoe head 13 (hereinafter referred to as the maximum advanced position) tends to be an unusable space. Therefore, the support arm 15 that is connected to the link member 14 at a position higher than the lower end of the support shaft 24 is disposed in front of the maximum advance position of the support shaft 24, so that the space can be effectively used to achieve rigidity. A high support arm 15 can be formed.
  • the link member 14 is connected to the upper end portion of the shoe head 13. Thereby, the movement to the up-down direction of the shoe head 13 accompanying the advance / retreat movement of the push rod 12 can be made small.
  • the extension plate 16 is connected to the lower end portion of the shoe head 13. In this manner, by connecting the extension plate 16 to the position farthest from the shoe head pin 91 in the shoe head 13, the tilt of the shoe head 13 can be regulated with a relatively small force.
  • a unit brake 2 according to the second embodiment will be described with reference to FIG.
  • symbol is attached
  • the direction of the brake main body 41 and the mechanism inside thereof is different from the direction in the first embodiment.
  • a supply / discharge port 11a is formed at the upper end of the brake body 41, and the piston 21 and the wedge body 29 move in the vertical direction of the vehicle. Further, the support shaft 24 of the adjustment body 25 extends in the vehicle width direction.
  • the support arm 45 is provided so that it may extend ahead from the corner
  • the upper end of the shoe head 13 is disposed at a position lower than the upper end of the brake body 41.
  • the space occupied by the brake body 41 in the width direction of the vehicle can be reduced.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Braking Arrangements (AREA)
PCT/JP2009/067714 2008-11-18 2009-10-13 ユニットブレーキ WO2010058664A1 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP09827445.9A EP2357376B1 (en) 2008-11-18 2009-10-13 Unit brake
JP2010539188A JP5284367B2 (ja) 2008-11-18 2009-10-13 ユニットブレーキ
KR1020117011806A KR101268671B1 (ko) 2008-11-18 2009-10-13 유닛 브레이크
CN2009801455622A CN102216640B (zh) 2008-11-18 2009-10-13 单元制动器
HK12101712.1A HK1161626A1 (en) 2008-11-18 2012-02-21 Unit brake

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2008-294004 2008-11-18
JP2008294004 2008-11-18

Publications (1)

Publication Number Publication Date
WO2010058664A1 true WO2010058664A1 (ja) 2010-05-27

Family

ID=42198103

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2009/067714 WO2010058664A1 (ja) 2008-11-18 2009-10-13 ユニットブレーキ

Country Status (7)

Country Link
EP (1) EP2357376B1 (xx)
JP (1) JP5284367B2 (xx)
KR (1) KR101268671B1 (xx)
CN (1) CN102216640B (xx)
HK (1) HK1161626A1 (xx)
TW (1) TW201033054A (xx)
WO (1) WO2010058664A1 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5364772B2 (ja) * 2011-10-19 2013-12-11 三菱重工業株式会社 ブレーキ装置
CN103342129A (zh) * 2013-07-29 2013-10-09 南车株洲电力机车有限公司 一种用于机车制动器的闸瓦托装置
JP7133380B2 (ja) * 2018-07-26 2022-09-08 ナブテスコ株式会社 姿勢制御装置及びブレーキ装置

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JPS5777254A (en) * 1980-10-27 1982-05-14 Bai Modeiru Corp Za Brake gear for railway rolling stock
JPS59192664A (ja) 1983-04-18 1984-11-01 株式会社ナブコ ブレ−キユニツト
JPH05147510A (ja) * 1991-03-11 1993-06-15 Sab Wabco Holdings Bv ブレーキ作動器のスラスト力伝達装置

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US3017960A (en) * 1959-12-31 1962-01-23 Westinghouse Air Brake Co Wheel tread brake unit for railway car trucks
DE2659768C3 (de) * 1976-12-31 1979-05-10 Knorr-Bremse Gmbh, 8000 Muenchen Zuspaiuivorrichtung für Reibungsbremsen, insbesondere von Schienenfahrzeugen
JPS59192665A (ja) * 1983-04-18 1984-11-01 株式会社ナブコ ブレ−キユニツト
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KR20110073619A (ko) 2011-06-29
CN102216640A (zh) 2011-10-12
CN102216640B (zh) 2013-10-16
EP2357376A4 (en) 2018-04-25
JP5284367B2 (ja) 2013-09-11
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HK1161626A1 (en) 2012-07-27
EP2357376A1 (en) 2011-08-17

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