GB1159701A - Track Braking System. - Google Patents
Track Braking System.Info
- Publication number
- GB1159701A GB1159701A GB11425/66A GB1142566A GB1159701A GB 1159701 A GB1159701 A GB 1159701A GB 11425/66 A GB11425/66 A GB 11425/66A GB 1142566 A GB1142566 A GB 1142566A GB 1159701 A GB1159701 A GB 1159701A
- Authority
- GB
- United Kingdom
- Prior art keywords
- wheels
- rail
- guide wheel
- wheel
- hydraulic cylinders
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61H—BRAKES OR OTHER RETARDING DEVICES SPECIALLY ADAPTED FOR RAIL VEHICLES; ARRANGEMENT OR DISPOSITION THEREOF IN RAIL VEHICLES
- B61H9/00—Brakes characterised by or modified for their application to special railway systems or purposes
- B61H9/04—Brakes characterised by or modified for their application to special railway systems or purposes for preventing or controlling movement in one direction or, selectively, in either direction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61C—LOCOMOTIVES; MOTOR RAILCARS
- B61C15/00—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels
- B61C15/04—Maintaining or augmenting the starting or braking power by auxiliary devices and measures; Preventing wheel slippage; Controlling distribution of tractive effort between driving wheels by controlling wheel pressure, e.g. by movable weights or heavy parts or by magnetic devices
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Braking Arrangements (AREA)
Abstract
1,159,701. Undercarriages. UNDERGROUND MINING MACHINERY Ltd. 6 March, 1967 [16 March, 1966], No. 11425/66. Heading B7L. [Also in Divisions B8 and F2] In a rail-borne vehicle braking system which has vehicle supporting wheels 11, Fig. 1, and at least one separate guide wheel 20 disposed between a rail 10 and a surface 15 which is movable to trap the guide wheel between the rail and itself to apply a braking force, the frictional force developed between the movable surface and the guide wheel is less than the frictional force developed between the guide wheel and the rail. The bogie frame 12 indirectly support pivotably mounted brackets 16 which carry vertically disposed shafts 18 mounting wheels 20. When hydraulic cylinders 22 is pressurized the upper edge of brake plate 15 is drawn inwardly against springs 21 so that wheels 20 are free to rotate. Hydraulic cylinders 22 are de-pressurized to effect braking by means of springs 21 which pivot plates 15 into engagement with wheels 20 to move the latter into engagement with rail 10. Wheels 20 continue to rotate but are heavily braked. Skidding is prevented by arranging for the coefficient of friction between the plate 15 and the wheel 20 to be less than that between the wheel 20 and the rail 10. In another embodiment, Fig. 4 (not shown), the brakes are positively applied by the hydraulic cylinders against the spring pressure. In both embodiments the wheels 20 may have neoprene tyres and the cylinders 22 may be pneumatically, vacuum or electrically operated. The brakes may be actuated at a predetermined speed by a centrifugal governor driven indirectly by the running wheels.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11425/66A GB1159701A (en) | 1966-03-16 | 1966-03-16 | Track Braking System. |
US620079A US3444964A (en) | 1966-03-16 | 1967-03-02 | Track braking system |
DE19671605301 DE1605301C3 (en) | 1966-03-16 | 1967-03-15 | Running gear for a rail vehicle, in particular for use in mining operations, with a braking device |
FR99009A FR1517177A (en) | 1966-03-16 | 1967-03-16 | Braking system and method for rail vehicles |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB11425/66A GB1159701A (en) | 1966-03-16 | 1966-03-16 | Track Braking System. |
FR99009A FR1517177A (en) | 1966-03-16 | 1967-03-16 | Braking system and method for rail vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1159701A true GB1159701A (en) | 1969-07-30 |
Family
ID=26174966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11425/66A Expired GB1159701A (en) | 1966-03-16 | 1966-03-16 | Track Braking System. |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR1517177A (en) |
GB (1) | GB1159701A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219565A (en) * | 1988-04-15 | 1989-12-13 | Mid West Conveyor Co | Trolley braking method and apparatus for use with conveyors |
CN110341745A (en) * | 2019-08-13 | 2019-10-18 | 株洲中车特种装备科技有限公司 | Safety wheel complemental brake system |
-
1966
- 1966-03-16 GB GB11425/66A patent/GB1159701A/en not_active Expired
-
1967
- 1967-03-16 FR FR99009A patent/FR1517177A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2219565A (en) * | 1988-04-15 | 1989-12-13 | Mid West Conveyor Co | Trolley braking method and apparatus for use with conveyors |
CN110341745A (en) * | 2019-08-13 | 2019-10-18 | 株洲中车特种装备科技有限公司 | Safety wheel complemental brake system |
Also Published As
Publication number | Publication date |
---|---|
FR1517177A (en) | 1968-03-15 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE | Patent expired |