KR101006061B1 - A disk brake device for railway vehicles - Google Patents

A disk brake device for railway vehicles Download PDF

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Publication number
KR101006061B1
KR101006061B1 KR1020100054051A KR20100054051A KR101006061B1 KR 101006061 B1 KR101006061 B1 KR 101006061B1 KR 1020100054051 A KR1020100054051 A KR 1020100054051A KR 20100054051 A KR20100054051 A KR 20100054051A KR 101006061 B1 KR101006061 B1 KR 101006061B1
Authority
KR
South Korea
Prior art keywords
lever
fixed
caliper
bar
brake device
Prior art date
Application number
KR1020100054051A
Other languages
Korean (ko)
Inventor
이재영
Original Assignee
유진기공산업주식회사
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Filing date
Publication date
Application filed by 유진기공산업주식회사 filed Critical 유진기공산업주식회사
Priority to KR1020100054051A priority Critical patent/KR101006061B1/en
Application granted granted Critical
Publication of KR101006061B1 publication Critical patent/KR101006061B1/en
Priority to PCT/KR2011/000557 priority patent/WO2011155684A1/en
Priority to CN201180025203.0A priority patent/CN103038120B/en

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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
    • F16D55/00—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes
    • F16D55/02—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members
    • F16D55/22—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads
    • F16D55/224—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members
    • F16D55/2245—Brakes with substantially-radial braking surfaces pressed together in axial direction, e.g. disc brakes with axially-movable discs or pads pressed against axially-located rotating members by clamping an axially-located rotating disc between movable braking members, e.g. movable brake discs or brake pads with a common actuating member for the braking members in which the common actuating member acts on two levers carrying the braking members, e.g. tong-type 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
    • F16D65/38—Slack adjusters
    • 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
    • F16D2125/20—Mechanical mechanisms converting rotation to linear movement or vice versa
    • F16D2125/22—Mechanical mechanisms converting rotation to linear movement or vice versa acting transversely to the axis of rotation
    • F16D2125/28—Cams; Levers with cams

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

Abstract

PURPOSE: A disk brake device for a railway vehicle is provided to improve braking force by uniformly transferring power to a pair or caliper levers. CONSTITUTION: A disk brake device(100) for a railway vehicle comprises a pair of caliper levers(110) and a lever mechanism. The caliper levers are operated by the operation of the cylinder rod of a cylinder(108). The lever mechanism is connected between the cylinder rod and the caliper levers and has a lever. One side of the lever is coupled to the cylinder rod, and the other side is fixed to one caliper lever. An eccentric bar is fixed to the other caliper lever in which the lever is not fixed. One side of a connection bar is fixed to the lever, and the other side is integrally formed in the eccentric bar.

Description

Disk brake device for railway vehicles

The present invention relates to a disc brake device for a railroad car, and more particularly, by operating a brake device installed in a railroad car using a lever mechanism, the structure is simplified, manufacturing cost can be reduced, and the lever ratio can be easily adjusted. The braking force is improved, and relates to a disc brake device for a railroad car that can easily perform maintenance work.

In general, in a disc brake device for a rail vehicle, the brake caliper unit is operated by the brake cylinders disposed between the ends of the caliper levers by means of a braking force generator for braking operation. Are mutually extended.

It is also known to connect the brake cylinder to the central region of the caliper levers which are engaged at the end side by the adjusting device, and to mount the adjusting device in the braking force generator.

In such arrangements, the caliper lever has a fairly long length from the connection area to the connection point of the brake pad, since the connection area at the center of the caliper lever must be located radially outside of the brake disc.

Therefore, in order to obtain a sufficiently large linkageratio, the length of the caliper lever as a whole must be very long, which is very heavy considering the necessary stability.

In order to solve this disadvantage, it is known to move the connecting area at the center of the caliper lever to the side of the brake disc to shorten the length of the caliper lever to the brake pad.

However, in order to do this, since the center area of the caliper lever is provided with an additional movable joint in some cases, an expensive connecting device is required, which is not actually used.

Therefore, in the related art, Korean Patent No. 10-0374669 "Brake caliper unit for a disc brake of a vehicle, especially a rail vehicle" has been presented as shown in FIG.

However, in the prior art, an eccentric transmission is provided in one of the pair of caliper levers, the eccentric transmission and the piston rod are connected by a crank arm, and the pair of eccentric transmissions are connected by the housing. The eccentric transmission connected to the crank arm is operated by the operation of the piston rod, and the opposite caliper lever connected by the housing is operated to perform the braking operation.

This is a problem that the production of the eccentric transmission device for operating the brake pads is not satisfactory, the cost of performing the manufacturing cost and maintenance work.

Then, when the caliper lever is operated by the operation of the piston rod, the power is transmitted only to one of the pair of caliper levers, and is transmitted to the other caliper lever so that the pair of caliper levers operate. , There is a problem that the power transmitted by the operation of the piston rod is concentrated on the caliper lever of any one of the pair of caliper levers resulting in an imbalance of braking force.

 In addition, as shown in FIG. 2, Korean Patent Registration No. 10-707820 entitled “Disk Brake Device for Railway Vehicle” has been presented.

This is a complicated configuration for driving the disc brake is a lot of manufacturing cost, there is a problem that many difficulties in performing maintenance work is not easy to disassemble and assembly.

The present invention has been made to solve the above-mentioned conventional problems, the force is equally transmitted to the pair of caliper lever by the operation of the cylinder rod of the cylinder to improve the braking force and to exhibit the braking force quickly. The purpose is.

In addition, the operation of the pair of caliper levers by the operation of the cylinder rod to operate by the lever mechanism, the structure is simplified, manufacturing cost is reduced, and the maintenance work can be easily performed.

The present invention for achieving the above object is a disk brake device for a railroad vehicle comprising a pair of caliper lever operated by the cylinder rod operation of the cylinder, the connection between the cylinder rod of the cylinder and a pair of caliper lever It is characterized by consisting of a lever mechanism to be coupled.

Here, the lever mechanism is one side is fastened and fixed to the cylinder rod, the other side is provided with a lever which is fixed to any one of the caliper lever of the pair of caliper lever, one side is fixed to the caliper lever in the opposite direction to which the lever is fixed Is provided with an eccentric bar, one side is fixed to the lever bar, the opposite direction is characterized in that the connection bar is formed integrally with the eccentric bar.

Further, the lever is fixed to the caliper lever by a first fixing pin, a predetermined length is formed in the central portion of the hole, the second fixing pin is inserted into the long hole is characterized in that the connection bar is fixed.

In addition, the pair of the connection bar and the eccentric bar is characterized in that the two pairs are provided between the caliper lever, the upper and lower positions.

The pair of connecting bars and the eccentric bar are fixed by a rotating shaft, and the other side of the connecting bar is fixed by a fixed shaft to the lever.

At this time, the eccentric bar and the connecting bar is characterized in that the inclination angle is formed in the direction of the brake head is provided with the rotation axis.

The present invention configured as described above has the effect of allowing the force to be evenly transmitted to the pair of caliper levers by the operation of the cylinder rod of the cylinder so that the braking force can be exerted quickly and simultaneously.

In addition, by operating the pair of caliper levers by the operation of the cylinder rod by the lever mechanism, the structure is simplified, manufacturing cost is reduced, and there is an effect that can easily perform maintenance work.

1 is a view showing a pre-registered Republic of Korea Patent No. 10-0374669.
2 is a view showing a pre-registered Korean Patent Registration No. 10-707820.
Figure 3 is a perspective view showing a disc brake device for a vehicle in Qingdao in accordance with the present invention.
Figure 4 is a side view showing a disk brake device for a railroad vehicle according to the present invention.
5 is a plan view showing a disk brake apparatus for a railroad vehicle according to the present invention.
Figure 6 is a view showing a state in which the connecting bar and the eccentric bar of the present invention is fastened.
7 is a view showing a working relationship of the disc brake device for a railroad vehicle according to the present invention, showing a braking state in which a braking force is generated.
8 is a view showing a working relationship of the disc brake device for a railroad vehicle according to the present invention, showing a state in which the braking force is released.

Hereinafter, with reference to the accompanying drawings for the disk brake device for a railroad vehicle according to the present invention will be described in detail.

Figure 3 is a perspective view showing a disc brake device for a Qingdao vehicle according to the present invention, Figure 4 is a side view showing a disk brake device for a railroad vehicle according to the invention, Figure 5 is a plan view showing a disk brake device for a railroad vehicle according to the present invention. 6 is a view showing a state in which the connecting bar and the eccentric bar of the present invention is fastened.

3 to 6, the disc brake device 100 for a railroad vehicle according to the present invention is installed on a brake disc installed on a wheel or axle of a railroad car to generate a braking force, and a pair of caliper levers 110 110a are provided to be spaced apart from each other, the pair of caliper levers (110) (110a) are provided side by side in the same direction with each other and one side is fixed to be movable by the support shaft (112, 112a) On the other side, the brake head 114, in which the brake pad 116 is pressed onto the wheel or the brake disc, is rotatably fixed by the fastening shaft 114a.

At this time, the disk brake device 100 for a railroad vehicle is provided with a bracket (not shown) fixed to the bogie frame of the railroad car is installed by coupling the bracket to the bogie.

In addition, a lower portion of the pair of brake heads 114 is provided with a parallel holding member 104 made of an operating member (not shown) and the like connected to each other, and the caliper lever 110 is provided by the parallel holding member 104. When the flow of 110a, the pair of brake heads 114 are kept in parallel.

The gap adjusting device is disposed between one side of the pair of caliper levers 110 and 110a, that is, between the pair of caliper levers 110 and 110a fixedly rotatable by the support shafts 112 and 112a. (Not shown) is connected, and the space adjusting device is composed of a pressure rod actuator, and can be operated by turning of the operating device. Typically, the manipulator may have a spiral gear with a rotatable thread that is coupled to the manipulator or non-rotating portion by a freewheel mechanism, or may have other known configurations.

In addition, between the pair of caliper levers (110) (110a), that is, the cylinder 108 is provided side by side in the same direction as the caliper levers (110) (110a) at the position where the spacing device is provided, The housing 105 is provided between the caliper levers 110 and 110a.

At this time, the cylinder 108 is provided with a cylinder rod 108a moving back and forth to generate a braking force by a braking operation.

Here, the description of the configuration and operation relationship for the gap adjusting device and the braking operation is the same as in the prior art, and thus the description thereof and the drawings will be omitted.

In addition, a lever mechanism 210 for operating the pair of caliper levers 110 and 110a by the operation of the cylinder rod 108a of the cylinder 108 is provided.

Here, one side of the lever mechanism 210 is rotatably coupled to the cylinder rod (108a) by a connecting pin (109), the other side of any one of a pair of caliper lever (110) (110a) The caliper lever 110 is provided with a lever 212 which is fixed to flow by the first fixing pin 213.

In this case, the lever 212 is fastened and fixed so that the direction in which the caliper lever 110 is fastened than the direction in which it is coupled to the cylinder rod 108a is disposed to move forward in the direction in which the brake head 114 is provided. It is provided to have.

Furthermore, a long hole 212a is formed at a predetermined position in the center of the lever 212, and the long hole 212a is formed at a position close to the first fixing pin 213 fixed to the caliper lever 110.

In addition, a second fixing pin 215 is inserted into the long hole 212a of the lever 212, and a connection bar 214 is fastened and fixed so that one side thereof is flowed to the second fixing pin 215.

In addition, an eccentric bar 216 is provided on the caliper lever 110a provided in the opposite direction in which the lever 212 is fastened and fixed among the pair of caliper levers 110 and 110a. do.

At this time, the eccentric bar 216 is integrally formed with the opposite direction of the opposite direction of the fixed shaft 217 is fixed and the connecting bar 214 fixed to the second fixing pin 215.

In addition, two pairs are provided so that the connection bar 214 and the eccentric bar 216 are provided as a pair, and are respectively provided on the upper and lower portions of the housing 105 provided between the caliper levers 110 and 110a. The two pairs are fixed to each other by a rotation axis 218 passing through the housing 105.

Here, the eccentric bar 216 is provided with a rotating shaft 218 in the opposite direction fixed to the caliper lever 110a by the fixed shaft 217, one side of the connecting bar 214 can flow in the rotating shaft 218 Is fastened and fixed.

In this case, the eccentric bar 216 is provided to be inclined so that the opposite direction fixed by the fixed shaft 217, that is, the direction integrally formed with the connection bar 214 faces the direction in which the brake head 114 is provided.

Referring to the operational relationship for the disc brake device for railroad cars according to the present invention configured as described above are as follows.

7 is a view showing an operation relationship of the disc brake device for a railroad vehicle according to the present invention, and a diagram showing a braking state in which a braking force is generated. FIG. 8 is a view showing an operation relationship of the disc brake device for a railroad vehicle according to the present invention. This figure shows the released state.

As shown in FIG. 7, the disc brake device 100 for a railroad vehicle according to the present invention first has a lever fastened to the cylinder rod 108a when the cylinder rod 108a is advanced in the direction of an arrow A as shown in FIG. 7. 212 is advanced in the direction in which the brake head 114 is provided.

As such, when one side of the lever 212 is advanced, the connecting bar 214 fixed to the second fixing pin 213 supported by the lever 212 rotates about the rotation axis 218 in the same direction. At the same time, one side of the connecting bar 214 supported by the second fixing pin 215 around the rotating shaft 218 moves in the direction of the brake head 114 along the track, and in the opposite direction of the connecting bar 214. That is, the direction in which the fastening is fixed by the rotation shaft 218 is rotated counterclockwise while the eccentric bar 216 integrally formed on the heat bar 214 is rotated in the same direction.

Therefore, as the eccentric bar 216 rotates in the counterclockwise direction, the caliper lever 110a, in which the eccentric bar 216 is fixed by the fixed shaft 217, is brake head 114 around the support shaft 112a. Direction is rotated inward to compress the wheel or brake disk to generate a braking force.

Thus, the cylinder rod 108a continues to be brake pad in a state in which the caliper lever 110a rotates about the support shaft 112a and the brake pad 116 fixed to the brake head 114 presses the brake disk. As the pressing force is generated in the 116 direction, a force is transmitted to the caliper lever 110 provided on the opposite side by a force that the connecting bar 214 moves in the direction of the brake pad 116, and a positive pressure is generated by this force. As the caliper lever 110 rotates around the support shaft 112 in the direction of the brake disc, the brake force is generated while strongly compressing the brake disc provided in the wheel or the axle.

That is, the lever 212 is operated by the operation of the cylinder rod 108a, and the connecting bar 214 and the eccentric bar 216 are operated by the operation of the lever 212 so that the pair of calipers is operated. As the brake head 114 rotates inward about the support shafts 112 and 112a of the levers 110 and 110a, the brake pad 116 is squeezed to the wheels or the brake disk to generate a braking force.

On the contrary, when the cylinder rod 108a is operated in the direction of the arrow B as shown in FIG. 8, the lever 212 moves in the direction of the cylinder 108 together with the cylinder rod 108a, and the lever 212 is moved. The connecting bar 214 fixed to the lever 212 by the movement of the rotating shaft 218 centered on the opposite side is rotated in the direction of the cylinder 108 along the trajectory and at the same time formed integrally with the connecting bar 214 Simba 216 is rotated clockwise.

Thus, by rotating the eccentric bar 216 in the clockwise direction by the operation of the cylinder rod 108a, the caliper lever 110a to which the eccentric bar 216 is fixedly coupled to the brake head about the support shaft 112a. (114) direction is rotated outward.

Accordingly, as the pair of caliper levers 110 and 110a rotate outward, the brake pads 116 which are in a state where the braking force is generated by being squeezed to the wheels or the brake disc are released and the braking force is released.

As such, the brake pad 116 is pressed against the wheel or the brake disk while the lever 212, the connecting bar 214, and the eccentric bar 216 are organically operated by the repetitive operation of the cylinder rod 108a. It is relieved to perform braking action.

In the above, a preferred embodiment of a disc brake device for a railroad vehicle according to the present invention has been described. It is possible to implement, which also belongs to the scope of the present invention.

100: disc brake device for railroad cars 104: parallel holding member
108: cylinder 108a: cylinder rod
109: connecting pins 110, 110a: caliper lever
112, 112a: support shaft 114: brake head
116: brake pad 210: lever mechanism
212: lever 213, 215: first and second fixing pin
214: connecting bar 216: eccentric bar
217: fixed axis 218: rotation axis

Claims (6)

In the disc brake device for railroad cars comprising a pair of caliper levers operated by the cylinder rod operation of the cylinder,
It consists of a lever mechanism connected between the cylinder rod of the cylinder and a pair of caliper levers,
The lever mechanism is one side is fastened and fixed to the cylinder rod, the other side is provided with a lever fixed to any one of the caliper lever of the caliper lever,
The caliper lever in the opposite direction to which the lever is fixed is provided with an eccentric bar fixed to one side,
One side is fixed to the lever, the opposite direction is a disc brake device for a railway vehicle, characterized in that the connection bar is formed integrally with the eccentric bar. delete The method of claim 1,
The lever is fixed to the caliper lever by a first fixing pin, a central hole is formed in a predetermined position in the center portion, the second fixing pin is inserted into the long hole, the rail bar disc brake device characterized in that the connection bar is fixed. The method of claim 1,
And a pair of pairs of the connecting bar and the eccentric bar to be positioned above and below the caliper lever. The method of claim 4, wherein
The two pairs of connecting bars and the eccentric bar is fixed by a rotating shaft, the other side of the connecting bar disc brake device for a rail vehicle, characterized in that the fixed shaft is fixed to the lever. The method of claim 4, wherein
The eccentric bar and the connecting bar is a disc brake device for a railway vehicle, characterized in that the inclination angle is formed in the direction of the brake head is provided with a rotating shaft.
KR1020100054051A 2010-06-08 2010-06-08 A disk brake device for railway vehicles KR101006061B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020100054051A KR101006061B1 (en) 2010-06-08 2010-06-08 A disk brake device for railway vehicles
PCT/KR2011/000557 WO2011155684A1 (en) 2010-06-08 2011-01-27 Disk brake apparatus for a railway vehicle
CN201180025203.0A CN103038120B (en) 2010-06-08 2011-01-27 Disk brake apparatus for a railway vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100054051A KR101006061B1 (en) 2010-06-08 2010-06-08 A disk brake device for railway vehicles

Publications (1)

Publication Number Publication Date
KR101006061B1 true KR101006061B1 (en) 2011-01-06

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Application Number Title Priority Date Filing Date
KR1020100054051A KR101006061B1 (en) 2010-06-08 2010-06-08 A disk brake device for railway vehicles

Country Status (3)

Country Link
KR (1) KR101006061B1 (en)
CN (1) CN103038120B (en)
WO (1) WO2011155684A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101624656B1 (en) 2014-11-20 2016-05-30 한국철도기술연구원 Interlocking structure of wheelset steering device and wheel disk braking device for railway vehicle
US20170016499A1 (en) * 2013-12-19 2017-01-19 Pintsch Bubenzer Gmbh Stop arrangement and braking device having such an arrangement

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Publication number Priority date Publication date Assignee Title
EP2940339B1 (en) 2012-12-26 2020-10-21 Nabtesco Corporation Railway vehicle disc brake apparatus
JP6277517B2 (en) 2014-02-07 2018-02-14 曙ブレーキ工業株式会社 Disc brake device
JP6803170B2 (en) * 2015-08-24 2020-12-23 ナブテスコ株式会社 Caliper device and disc brake device with this device
ES2949700T3 (en) 2018-03-12 2023-10-02 Knorr Bremse Systeme Pull rod device arrangement of a brake caliper and brake caliper
CN114110047B (en) * 2020-08-31 2023-05-05 比亚迪股份有限公司 Return lever type brake caliper and vehicle
CN114876981A (en) * 2022-06-17 2022-08-09 眉山中车物流装备有限公司 Braking system

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US4393962A (en) * 1981-03-05 1983-07-19 Jacob Kobelt Self-centering device for caliper brake assembly
US4573553A (en) 1983-07-21 1986-03-04 Knorr-Bremse Gmbh Disc brake
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JP2005048877A (en) 2003-07-29 2005-02-24 Sumitomo Denko Brake Systems Kk Brake caliper device

Cited By (3)

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Publication number Priority date Publication date Assignee Title
US20170016499A1 (en) * 2013-12-19 2017-01-19 Pintsch Bubenzer Gmbh Stop arrangement and braking device having such an arrangement
US10465760B2 (en) * 2013-12-19 2019-11-05 Pintsch Bubenzer Gmbh Stop arrangement and braking device having such an arrangement
KR101624656B1 (en) 2014-11-20 2016-05-30 한국철도기술연구원 Interlocking structure of wheelset steering device and wheel disk braking device for railway vehicle

Also Published As

Publication number Publication date
CN103038120A (en) 2013-04-10
CN103038120B (en) 2015-07-01
WO2011155684A1 (en) 2011-12-15

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