FR2247578A1 - Mechanism for tightening railway sleeper bolts - has pinned parallelogram positioning spanner co-axially on bolts - Google Patents
Mechanism for tightening railway sleeper bolts - has pinned parallelogram positioning spanner co-axially on boltsInfo
- Publication number
- FR2247578A1 FR2247578A1 FR7336444A FR7336444A FR2247578A1 FR 2247578 A1 FR2247578 A1 FR 2247578A1 FR 7336444 A FR7336444 A FR 7336444A FR 7336444 A FR7336444 A FR 7336444A FR 2247578 A1 FR2247578 A1 FR 2247578A1
- Authority
- FR
- France
- Prior art keywords
- spanner
- bolts
- parallelogram
- tightening
- axially
- 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.)
- Granted
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01B—PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS
- E01B29/00—Laying, rebuilding, or taking-up tracks; Tools or machines therefor
- E01B29/24—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means
- E01B29/28—Fixing or removing detachable fastening means or accessories thereof; Pre-assembling track components by detachable fastening means the fastening means being of screw-and-nut type; Apparatus therefor, adapted to additionally drilling holes
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Machines For Laying And Maintaining Railways (AREA)
Abstract
The mechanism for tightening railway sleeper bolts utilizes a hinging parallelogram (4, 5, 6) to position the spanner (7) co-axially on the bolt, thus eliminating spanner to bolt eccentricities inherent in current single hinging arm mechanisms. The parallelogram has two opposed vertical members (4, 6) respectively fixed to the chassis and carrying the spanner. The vehicle chassis (1) is U-shaped in plan with a rail guided wheel (2) on each leg. The fixed vertical parallelogram member (4) rotates about a vertical shaft (3) so that it may be swung either side of the rail and precompressed springs (8) between parallelogram and chassis maintain equilibrium. The block (6) carries a motor and gear unit for the spanner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7336444A FR2247578A1 (en) | 1973-10-12 | 1973-10-12 | Mechanism for tightening railway sleeper bolts - has pinned parallelogram positioning spanner co-axially on bolts |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7336444A FR2247578A1 (en) | 1973-10-12 | 1973-10-12 | Mechanism for tightening railway sleeper bolts - has pinned parallelogram positioning spanner co-axially on bolts |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2247578A1 true FR2247578A1 (en) | 1975-05-09 |
FR2247578B3 FR2247578B3 (en) | 1976-09-03 |
Family
ID=9126306
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7336444A Granted FR2247578A1 (en) | 1973-10-12 | 1973-10-12 | Mechanism for tightening railway sleeper bolts - has pinned parallelogram positioning spanner co-axially on bolts |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2247578A1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5281700A (en) * | 1975-12-27 | 1977-07-08 | Shibaura Eng Works Ltd | Selfftravelling wrench |
JPS5292499U (en) * | 1976-01-06 | 1977-07-11 | ||
FR2474925A1 (en) * | 1979-10-31 | 1981-08-07 | Robel Georg Gmbh & Co | ONE OR MORE SPINDLE DRAWER FOR TIGHTENING OR UNLOCKING NUTS AND SCREWS, IN PARTICULAR MEANS FOR FASTENING RAILS |
FR2622609A1 (en) * | 1987-11-03 | 1989-05-05 | Pouget Robert | Compact and lightweight machine designed to tighten and loosen sleeper screws and fixing bolts on railway rails |
-
1973
- 1973-10-12 FR FR7336444A patent/FR2247578A1/en active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5281700A (en) * | 1975-12-27 | 1977-07-08 | Shibaura Eng Works Ltd | Selfftravelling wrench |
JPS5644202B2 (en) * | 1975-12-27 | 1981-10-17 | ||
JPS5292499U (en) * | 1976-01-06 | 1977-07-11 | ||
JPS5938485Y2 (en) * | 1976-01-06 | 1984-10-26 | 芝浦メカトロニクス株式会社 | Electric torque wrench support device |
FR2474925A1 (en) * | 1979-10-31 | 1981-08-07 | Robel Georg Gmbh & Co | ONE OR MORE SPINDLE DRAWER FOR TIGHTENING OR UNLOCKING NUTS AND SCREWS, IN PARTICULAR MEANS FOR FASTENING RAILS |
FR2622609A1 (en) * | 1987-11-03 | 1989-05-05 | Pouget Robert | Compact and lightweight machine designed to tighten and loosen sleeper screws and fixing bolts on railway rails |
Also Published As
Publication number | Publication date |
---|---|
FR2247578B3 (en) | 1976-09-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |