KR101665087B1 - an emergency braking apparatus for mountain railway vehicle with ratchet gear - Google Patents

an emergency braking apparatus for mountain railway vehicle with ratchet gear Download PDF

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Publication number
KR101665087B1
KR101665087B1 KR1020150058194A KR20150058194A KR101665087B1 KR 101665087 B1 KR101665087 B1 KR 101665087B1 KR 1020150058194 A KR1020150058194 A KR 1020150058194A KR 20150058194 A KR20150058194 A KR 20150058194A KR 101665087 B1 KR101665087 B1 KR 101665087B1
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KR
South Korea
Prior art keywords
railway vehicle
emergency braking
gear
support bar
mountain railway
Prior art date
Application number
KR1020150058194A
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Korean (ko)
Inventor
서승일
문형석
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한국철도기술연구원
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Priority to KR1020150058194A priority Critical patent/KR101665087B1/en
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Publication of KR101665087B1 publication Critical patent/KR101665087B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
    • B61H7/00—Brakes with braking members co-operating with the track
    • B61H7/02—Scotch blocks, skids, or like track-engaging shoes
    • B61H7/04—Scotch blocks, skids, or like track-engaging shoes attached to railway vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61B—RAILWAY SYSTEMS; EQUIPMENT THEREFOR NOT OTHERWISE PROVIDED FOR
    • B61B13/00—Other railway systems
    • B61B13/02—Rack railways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61C—LOCOMOTIVES; MOTOR RAILCARS
    • B61C11/00—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel
    • B61C11/04—Locomotives or motor railcars characterised by the type of means applying the tractive effort; Arrangement or disposition of running gear other than normal driving wheel tractive effort applied to racks

Abstract

The present invention relates to an emergency braking apparatus for a mountain railway vehicle using a ratchet gear and, more specifically, to an emergency braking apparatus for a mountain railway vehicle using a ratchet gear, which safely brakes a mountain railway vehicle by generating stable braking force even if emergency braking is required when the mountain railway vehicle is moved on a downward slope. To achieve this, the emergency braking apparatus for a mountain railway vehicle having a pinion gear corresponding to a rack rail installed in a railway comprises: a support bar which is hinged to the bottom of a bogie or a chassis; and an auxiliary gear which is formed in the end of the support bar.

Description

[0001] The present invention relates to an emergency braking apparatus for a mountain railway vehicle using a ratchet gear,

The present invention relates to an emergency braking device for a mountain railway vehicle using a ratchet gear, and more particularly, to a braking device for a mountain railway vehicle, which can generate a stable braking force even when an emergency braking is required, To an emergency braking device for a mountain railway vehicle using a ratchet gear.

In general, the importance of railway vehicles is increasing as their use increases gradually as a large-scale transportation means, and they are being constructed or operated to have a nationwide network. As a result of such quantitative expansion of railway, , Stability, comfort, and technological capability.

Such a railway is constructed such that a plurality of railroad ties are installed on the upper part of the base gravel and rails are installed on the upper part of the railroad tile, while a train which runs on the railway railway is used for decelerating the speed .

In particular, the railroad of Korea has a lot of routes passing through the mountain area, so that there are many uphill sections. Therefore, excessive heavy loads are applied to the engines of the trains during the operation of the trains. And the risk of derailment due to abrasion of train wheels.

In order to solve such a problem, a technique disclosed in Korean Registered Utility Model No. 20-0362089 as shown in FIGS. 1 and 2 has been proposed. In a railroad section of a steep slope region composed of a base gravel, a sleeper, and a rail, The sawtooth rail is fastened and fixed by a rail clip and is closely contacted with a toothed wheel installed at an end of a train anchorage connected to the train so as to reduce the speed of the train, A plurality of anchor holes 41 are formed on both sides in the width direction and the sawtooth rail 40 has a plurality of rail clips 50 on the side surface thereof, The anchor holes 51 are formed in the lattice structure of the rail clip 50 and the fixed anchor nails 60 are fastened through the anchor holes 510The rake 40 is fixed to the sleeper 20 and the toothed wheel 90 is coupled to the connecting pin 73 of the fixed train fixture 70 by a connecting pin 93 to the toothed rail 40 A height adjustment jack 80 is installed on a jack connection port 75 protruding upward from the connection pin 73 of the railroad fastener 70 and the rail fastener 70 is mounted on a front side of the connection pin 73 And a gear wheel 90 is inserted into the groove 76 and is fastened by a connecting pin 93. [

However, the technology disclosed in Korean Registered Utility Model No. 20-0362089 uses the sawtooth rail 40 and the toothed wheel 90 to reduce the load that can be generated in the steep railway section, However, since the braking system is the same as that of a conventional railway vehicle, when the braking system is operated in the direction of descending a steep slope, the force between the rail and the wheel is not high. There is a problem that stable braking is difficult to be performed due to slipping, leading to a large accident.

SUMMARY OF THE INVENTION The present invention has been conceived to solve the problems described above, and it is an object of the present invention to provide a braking system for a mountain railway vehicle having a rack rail on a track and a pinion gear on a bogie or bogie, And an emergency braking device that generates a braking force by acting on a rack rail that is formed by the emergency braking device. The emergency braking device for a mountain railway vehicle employing a ratchet gear for stably braking even when emergency braking is performed, .

It is another object of the present invention to provide an emergency braking system provided in a mountain railway vehicle, comprising a support bar hinged to one side of a lower portion of a vehicle or a vehicle body, and auxiliary gears provided at ends of the support bar, And a ratchet gear rotatable in a direction opposite to the running direction of the railway car is provided. The hydraulic piston is provided at the center of the support bar to vertically move the auxiliary gear provided at one end of the support bar, And to provide an emergency braking device for a mountain railway vehicle using a ratchet gear that enables stable braking by promptly operating the braking device when emergency braking is required.

SUMMARY OF THE INVENTION [0006]

The emergency braking device for a mountain railway vehicle according to any one of claims 1 to 3, further comprising a support bar hinged to a lower portion of the vehicle body or the vehicle body and an auxiliary gear provided at an end of the support bar .

Here, the auxiliary gear is provided with a ratchet gear rotatable in a direction opposite to the running direction of the mountain railway vehicle.

Further, the emergency braking device is provided on the front and rear portions of the pinion gear, respectively.

In this case, a hydraulic piston is further provided at a lower portion of the vehicle or the vehicle body, and the middle and lower ends of the support bars are connected to each other.

The ratchet gear is further provided with a friction material so as to contact a rotation shaft formed at an end of the support bar.

According to the present invention having the above-described configuration, in addition to a braking device normally used in a mountain railway vehicle equipped with a rack rail on a track and a pinion gear on a vehicle body or a truck, a braking force is generated by acting on a rack rail on which a rack gear is formed The braking system can be stably braked even when emergency braking is performed when the vehicle runs on an estuary of a steep slope region.

According to another aspect of the present invention, an emergency braking unit provided in a mountain railway vehicle includes a support bar hinged to one side of a vehicle or a lower portion of the vehicle body, and an auxiliary gear provided at an end of the support bar, And a hydraulic piston is provided at a center portion of the support bar to move the auxiliary gear provided at one end portion of the support bar up and down so that the mountain railway vehicle can perform emergency braking So that it can be operated immediately if necessary, thereby enabling stable braking.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a detailed view of a saw rail of a conventional mountain railway. FIG.
FIG. 2 is a state view showing the use of a gear rail of a conventional mountain railroad and a gear wheel coupled to a train.
3 is a conceptual diagram of an emergency braking device for a mountain railway vehicle using a ratchet gear according to the present invention.
4 is a braking state diagram of an emergency braking device for a mountain railway vehicle using a ratchet gear according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The same reference numerals are used for the same constituent elements in the drawings and redundant explanations for the same constituent elements are omitted. It is to be understood that the present invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

FIG. 3 is a conceptual diagram of an emergency braking system for a mountain railway vehicle using a ratchet gear according to the present invention, and FIG. 4 is a braking state diagram of an emergency braking system for a mountain railway vehicle using the ratchet gear according to the present invention.

The present invention is applicable to a railway vehicle such as a railroad car or a mountain railway vehicle equipped with a pinion gear 130 corresponding to a rack rail installed on a mountain railway line, As shown in FIG. 3, the braking device includes a support bar 210 provided at a lower portion of a bogie 140 or a vehicle body 150, and an auxiliary gear 220 provided at an end of the support bar 210 ).

Here, the support bar 210 is hinged at one end thereof to the lower portion of the bogie 140 or the vehicle body 150 through the hinge shaft 212, and the auxiliary gear 220 is rotatably installed at the other end thereof .

The emergency braking device of the present invention including the auxiliary gear 220 and the support bar 210 is installed at the front and rear portions of the pinion gear 130 provided below the bogie 140 or the vehicle body 150, do.

The auxiliary gear 220 is provided with a ratchet gear 222 to rotate the auxiliary gear 220 in only one direction. The auxiliary gear 220 provided on the whole of the pinion gear 130 The auxiliary gear 220 is rotated rearward by the ratchet gear 222 and the auxiliary gear 220 provided at the rear portion of the pinion gear 130 ) Causes a braking action when the mountain railway vehicle is running backward, and the auxiliary gear 220 is rotated all the way by the ratchet gear 222.

Therefore, each of the auxiliary gears 220 provided on the front and rear portions of the pinion gear 130 is formed only in a direction opposite to the running direction of the mountain railway vehicle, and as shown in FIG. 4 (a) When the mountain railway vehicle runs forward, the support bar 210 located at the front of the pinion gear 130 rotates so that the auxiliary gear 220 contacts the rack rail 120, A resistance force is generated between the auxiliary gear 220 and the rack rail 120 by a pressing force of the hydraulic piston 230 to be described later.

4 (b), when the mountain railway vehicle travels in the rear direction, the support bar 210 provided at the rear portion of the pinion gear 130 is rotated to rotate the auxiliary gear 220 ) Is brought into contact with the rack rail to enable emergency braking in an emergency.

A friction material (not shown) is provided between the ratchet gear 222 and the rotation shaft 214 formed at an end of the support bar 210 so that the ratchet gear 222 rotates stably when it rotates in the normal direction and then rotates in the reverse direction The portion where the friction material is formed rotates around the rotation shaft 214. Thus, the braking force is generated by the action of the friction material.

The lower end of the hydraulic piston 230 is connected to the center of the support bar 210 and is connected to the hydraulic piston 230 The end of the support bar 210 provided with the auxiliary gear 220 rotates downward.

Accordingly, when emergency braking is to be performed in a cabin of a mountain railway vehicle, the hydraulic piston 230 is controlled so that the auxiliary gear 220 and the rack rail 120 are brought into contact with each other so that the emergency braking device Thereby enabling rapid braking.

A control unit for controlling the emergency braking device provided inside the mountain railway vehicle is provided. Even if the driver does not control the hydraulic piston 230 provided on the front or rear of the pinion gear 130, the operation of the emergency braking device When the button is depressed, the driving direction of the mountain railway vehicle is sensed and the hydraulic piston 230 corresponding to the traveling direction is operated to enable stable emergency braking.

That is, if the mountain railway vehicle is running in all directions, emergency braking is performed by controlling the hydraulic piston 230 located on the entire pinion gear 130 as shown in FIG. 4 (a) If the mountain railway vehicle is running in the rearward direction, emergency braking is performed by controlling the hydraulic piston 230 located at the rear portion of the pinion gear 130, as shown in FIG. 4 (b).

While the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the scope of the present invention is not limited to the disclosed embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

The present invention relates to an emergency braking device for a mountain railway vehicle using a ratchet gear, and more particularly, to a braking device for a mountain railway vehicle, which can generate a stable braking force even when an emergency braking is required, To an emergency braking device for a mountain railway vehicle using a ratchet gear.

120: rack rail 130: pinion gear
140: Truck 150:
210: support bar 212: hinge shaft
220: Auxiliary gear 222: Ratchet gear
230: Hydraulic piston

Claims (5)

1. An emergency braking device for a mountain railway vehicle having a pinion gear corresponding to a rack rail installed in a track,
A support bar hinged to a lower portion of the car or the vehicle body,
And an auxiliary gear provided at an end of the support bar and provided with a ratchet gear to generate a braking force with the lag rail,
The ratchet gear is provided with a friction material so as to contact with a rotation shaft formed at an end of the support bar,
And a hydraulic piston connected to a center portion and a lower end of the support bar is provided at a lower portion of the vehicle or the vehicle body.
delete The method according to claim 1,
Wherein the emergency braking device is provided on the front and rear portions of the pinion gear, respectively.
delete delete
KR1020150058194A 2015-04-24 2015-04-24 an emergency braking apparatus for mountain railway vehicle with ratchet gear KR101665087B1 (en)

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KR1020150058194A KR101665087B1 (en) 2015-04-24 2015-04-24 an emergency braking apparatus for mountain railway vehicle with ratchet gear

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KR1020150058194A KR101665087B1 (en) 2015-04-24 2015-04-24 an emergency braking apparatus for mountain railway vehicle with ratchet gear

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101939164B1 (en) * 2018-04-17 2019-01-17 충남대학교산학협력단 System for detecting rail temperature using autonomous driving vehicle, and detecting method for the same
CN110239583A (en) * 2019-06-25 2019-09-17 太原矿机电气股份有限公司 A kind of clamp rail rack locomotive parking braking system
KR20220057733A (en) 2020-10-30 2022-05-09 이엠티씨 주식회사 Quick brake system for track vehicle
KR20220057732A (en) 2020-10-30 2022-05-09 이엠티씨 주식회사 Safety brake system for track vehicle

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001225745A (en) * 2000-02-16 2001-08-21 Mitsubishi Heavy Ind Ltd Slope travelling vehicle
KR200362089Y1 (en) * 2004-06-03 2004-09-21 주식회사 만영엔지니어링 Toothed rail mounting structure of rapid section for railroad
KR100613148B1 (en) * 2005-05-09 2006-08-17 이재구 Fly reel

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001225745A (en) * 2000-02-16 2001-08-21 Mitsubishi Heavy Ind Ltd Slope travelling vehicle
KR200362089Y1 (en) * 2004-06-03 2004-09-21 주식회사 만영엔지니어링 Toothed rail mounting structure of rapid section for railroad
KR100613148B1 (en) * 2005-05-09 2006-08-17 이재구 Fly reel

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101939164B1 (en) * 2018-04-17 2019-01-17 충남대학교산학협력단 System for detecting rail temperature using autonomous driving vehicle, and detecting method for the same
CN110239583A (en) * 2019-06-25 2019-09-17 太原矿机电气股份有限公司 A kind of clamp rail rack locomotive parking braking system
KR20220057733A (en) 2020-10-30 2022-05-09 이엠티씨 주식회사 Quick brake system for track vehicle
KR20220057732A (en) 2020-10-30 2022-05-09 이엠티씨 주식회사 Safety brake system for track vehicle

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