GB1086008A - Track tensioning device for track driven vehicles - Google Patents
Track tensioning device for track driven vehiclesInfo
- Publication number
- GB1086008A GB1086008A GB5130764A GB5130764A GB1086008A GB 1086008 A GB1086008 A GB 1086008A GB 5130764 A GB5130764 A GB 5130764A GB 5130764 A GB5130764 A GB 5130764A GB 1086008 A GB1086008 A GB 1086008A
- Authority
- GB
- United Kingdom
- Prior art keywords
- track
- spring
- wheel fork
- fork
- wheel
- 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
- 230000000994 depressogenic effect Effects 0.000 abstract 1
- 239000004519 grease Substances 0.000 abstract 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D55/00—Endless track vehicles
- B62D55/08—Endless track units; Parts thereof
- B62D55/30—Track-tensioning means
Abstract
1,086,008. Endless-track tensioning devices. BOFORS A.B. Dec. 16, 1964 [Dec. 16, 1963], No. 51307/64. Heading B7H. [Also in Division F2] Each track of an endless-track tractor is entrained around a front idler wheel (not shown) on a shaft journalled in bearings 44 carried by a wheel fork 31 which is slidable in opposed U-section arms 33 on a track frame beam 24 and is loaded to tension the track by a resilient tensioning device 32. The wheel fork 31 terminates in a tubular portion 47 (Fig. 4) containing a cylinder 46 which is filled with grease or other hydraulic medium and houses a piston 48 bearing on a reaction member 49 loaded by a buffer spring 50 which bears through a spring seat 55 against an abutment 51 on the track frame beam 24. Disc springs 62 interposed between the spring seal 55 and an adjustable abutment 60 on a rod 58 connected to the reaction member 49 contain the spring 50 under precompression slightly greater than that normally required to provide track tension. Charging and pressure relief valves 64, 65 for the cylinder 46 are provided with a common locking member (Figs. 5, 6, 7, not shown) arranged to avoid accidents caused by inadvertent release of the valves. Energy absorbing check devices 88 mounted on the arms 33 of the track frame beam to prevent forcible expulsion of the wheel fork 31 by the spring 50 in the event of track rupture each comprise a square, triangular or star section plunger (81, Fig. 10, not shown) which is depressed by the wheel fork 31 upon over-extension to discharge lead from a replaceable slug (84) through lateral openings (86) formed with chip-breaking edges (87). The bearings 44 for the idler wheel shaft are offset from the horizontal centre line of the wheel fork 31 so that the height of the idler wheel can be varied by inverting the fork 31.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE1397363A SE314003B (en) | 1963-12-16 | 1963-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1086008A true GB1086008A (en) | 1967-10-04 |
Family
ID=20298321
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB5130764A Expired GB1086008A (en) | 1963-12-16 | 1964-12-16 | Track tensioning device for track driven vehicles |
Country Status (7)
Country | Link |
---|---|
AT (1) | AT258734B (en) |
BE (1) | BE657062A (en) |
CH (1) | CH442040A (en) |
DK (2) | DK111797B (en) |
GB (1) | GB1086008A (en) |
NL (1) | NL6414034A (en) |
SE (1) | SE314003B (en) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3463559A (en) * | 1967-02-20 | 1969-08-26 | Int Harvester Co | Hydraulic track adjuster for tractor |
US3517972A (en) * | 1968-05-31 | 1970-06-30 | Allis Chalmers Mfg Co | Hydraulic track adjuster |
US3779615A (en) * | 1972-04-10 | 1973-12-18 | Caterpillar Tractor Co | Mounting device for rotatable members |
WO1980000824A1 (en) * | 1978-10-23 | 1980-05-01 | Caterpillar Tractor Co | Track adjuster and guard |
US4470583A (en) * | 1980-11-27 | 1984-09-11 | Integral Hydraulik & Co. | Hydro-pneumatic tensioning unit for endless track |
CN108297012A (en) * | 2018-03-29 | 2018-07-20 | 马鞍山唐拓凿岩机械有限公司 | A kind of track frame installation turnover device |
US11345420B2 (en) * | 2019-08-06 | 2022-05-31 | Deere & Company | Undercarriage assembly for a work machine and method of use |
CN117719407A (en) * | 2024-02-02 | 2024-03-19 | 临汾市埠瑞联特煤机有限公司 | Pneumatic crawler belt lifting integrated carrier vehicle |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108444692A (en) * | 2018-06-08 | 2018-08-24 | 江阴市长龄机械制造有限公司 | The fatigue experimental device of guide wheel strainer |
-
0
- DK DK111797D patent/DK111797A/da unknown
-
1963
- 1963-12-16 SE SE1397363A patent/SE314003B/xx unknown
-
1964
- 1964-12-03 NL NL6414034A patent/NL6414034A/xx unknown
- 1964-12-04 AT AT1028764A patent/AT258734B/en active
- 1964-12-09 CH CH1589764A patent/CH442040A/en unknown
- 1964-12-14 BE BE657062D patent/BE657062A/xx unknown
- 1964-12-16 GB GB5130764A patent/GB1086008A/en not_active Expired
- 1964-12-16 DK DK617264A patent/DK111797B/en unknown
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3463559A (en) * | 1967-02-20 | 1969-08-26 | Int Harvester Co | Hydraulic track adjuster for tractor |
US3517972A (en) * | 1968-05-31 | 1970-06-30 | Allis Chalmers Mfg Co | Hydraulic track adjuster |
US3779615A (en) * | 1972-04-10 | 1973-12-18 | Caterpillar Tractor Co | Mounting device for rotatable members |
WO1980000824A1 (en) * | 1978-10-23 | 1980-05-01 | Caterpillar Tractor Co | Track adjuster and guard |
US4470583A (en) * | 1980-11-27 | 1984-09-11 | Integral Hydraulik & Co. | Hydro-pneumatic tensioning unit for endless track |
CN108297012A (en) * | 2018-03-29 | 2018-07-20 | 马鞍山唐拓凿岩机械有限公司 | A kind of track frame installation turnover device |
CN108297012B (en) * | 2018-03-29 | 2023-12-05 | 马鞍山唐拓凿岩机械有限公司 | Track frame installation turning device |
US11345420B2 (en) * | 2019-08-06 | 2022-05-31 | Deere & Company | Undercarriage assembly for a work machine and method of use |
CN117719407A (en) * | 2024-02-02 | 2024-03-19 | 临汾市埠瑞联特煤机有限公司 | Pneumatic crawler belt lifting integrated carrier vehicle |
CN117719407B (en) * | 2024-02-02 | 2024-04-12 | 临汾市埠瑞联特煤机有限公司 | Pneumatic crawler belt lifting integrated carrier vehicle |
Also Published As
Publication number | Publication date |
---|---|
NL6414034A (en) | 1965-06-17 |
BE657062A (en) | 1965-04-01 |
DK111797B (en) | 1968-10-07 |
DK111797A (en) | |
AT258734B (en) | 1967-12-11 |
CH442040A (en) | 1967-08-15 |
SE314003B (en) | 1969-08-25 |
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