Road base building apparatus
阅读：669发布：2022-08-22
专利汇可以提供Road base building apparatus专利检索，专利查询，专利分析的服务。并且A road base building apparatus is described that is adapted to be attached to the support ring of a conventional road grader. The apparatus includes a mounting frame for supporting a plurality of rotating scarifiers, a shoveling assembly and a split moldboard strikeoff with the two portions thereof oscillating in opposite directions. The scarifiers are adapted to loosen and/or mix the rock base material to a uniform consistency. The shoveling assembly functions to laterally distribute the material while the pair of strikeoff portions operate to effect a leveling and smoothing of the material. A Vplow is also adapted to be attached to the conventional road grader forward of the rotating scarifiers for laterally distributing the earth or base material deposited ahead of the apparatus. The various components of the apparatus are driven by hydraulic motors operatively connected to a hydraulic pump which, in turn, is connected to the engine of the road grader through a power takeoff located at the rear of the grader.，下面是Road base building apparatus专利的具体信息内容。
1. A road building apparatus for mixing, spreading and leveling treated base and/or finish materials comprising: a frame; scarifier means including a plurality of forks laterally spaced across the width of said frame, each of said forks is rotatable about a vertical axis and includes a plurality of vertically oriented elongated elements adapted to extend into the base material; shovel means supported on said frame rearwardly of said scArifier means to laterally distribute the road base or finish material leaving said scarifier means; strikeoff means pivotally mounted on said frame rearwardly of said shovel means, said strikeoff means comprising a split moldboard with each section being pivotally mounted on hinge means which in turn is pivotally mounted on said frame, said moldboard being mounted to said hinges by leg means which are axially adjustable therewith to enable said moldboard strikeoff to be mounted in a plurality of elevational and angular positions with respect to the horizontal plane; means for transversely reciprocating said strikeoff means to level the base or finish material; and drive means for simultaneously rotating said scarifier means and said shovel means, and actuating said means for reciprocating said strikeoff means whereby a strip of earth and/or road base material of uniform height and consistency may be continuously provided.
2. The invention in accordance with claim 1 wherein said adjacent forks are alternately rotatable in the opposite direction.
3. The invention in accordance with claim 2 wherein said plurality of forks are laterally spaced in such a manner that the end elements of each fork overlap the end elements of each adjacent fork.
4. The invention in accordance with claim 1 wherein a plurality of digger teeth are adapted to be inserted on said elongated elements for digging, loosening, mixing and spreading the base or finish material to a uniform consistency.
5. The invention in accordance with claim 3 wherein a plurality of paddles are adapted to be inserted on said elongated elements for mixing road grade materials.
6. The invention in accordance with claim 1 wherein said shovel means includes an auger selectively rotatable in either direction mounted on said frame.
7. The invention in accordance with claim 1 wherein said moldboard strikeoffs are counteroscillated by said reciprocating means to dynamically balance the movement thereof and to prevent sidethrust of said frame.
8. The invention in accordance with claim 7 wherein said reciprocating means includes: journal means rotatably supporting a shaft; drive means for oscillating said shaft; eccentric means mounted on said shaft with the eccentrics being located on opposite sides of said shaft; and a rod connected to each moldboard strikeoff with each rod being connected to one of said eccentrics on opposite sides of said shaft in a 180* phase relationship.
9. The invention in accordance with claim 8 further including shock absorbing means interconnecting each of said rods to said respective moldboard strikeoffs.
10. The invention in accordance with claim 9 wherein each of said shock absorbing means includes: a apertured plate integrally connected to said moldboard strikeoff with said rod extending through said plate aperture; a pair of cylindrical casings located on both sides of said plate and about said bar, each of said casings includes a closed end integrally connected to said rod and an open end facing said plate; and a pair of elastomeric toroids located within said pair of cylindrical casings, one side face of each toroid engaging the closed end of each casing with the other side face thereof engaging said plate.
11. The invention in accordance with claim 1 wherein each of said moldboard strikeoffs includes an extension that is transversely adjustably mounted on the outer end thereof.
12. The invention in accordance with claim 11 wherein said shovel means includes an auger rotatably mounted on said frame, said auger being axially adjustable with respect to said frame.
13. The invention in accordance with claim 1 wherein said frame includes attaching means for connecting said frame to a support ring of a conventional road grader.
14. The invention in accordance with claim 13 further including V-plow means adapted to be mounted on the conventional road grader ahead of said rotating scarifier meAns for laterally distributing the earth or rock base materials.
15. The invention in accordance with claim 2 wherein each of said forks includes a shaft rotatably mounted within a frame member and said scarifier drive means includes a plurality of hydraulic motors drivingly connected to said fork or paddle shafts.
16. The invention in accordance with claim 2 wherein each of said forks or paddles includes a shaft rotatably mounted within a frame member and a sprocket fixedly attached to each of said shafts, and said scarifier drive means includes a timing chain drivingly engaging said sprockets and motor means driving said chain.
17. The invention in accordance with claim 16 wherein said endless timing chain is looped about said sprockets in such a manner that at any one time one portion of the chain extends transversely across the width of said frame and partially around the outer two sprockets, with the remaining portion extending about alternate peripheral sectors of said sprockets with respect to a plane extending through the axes of said sprockets.
18. The invention in accordance with claim 13 further including grade control means for controlling the elevation of said support ring and attachment.
19. The invention in accordance with claim 18 wherein said grade control means includes: feeler means responsive to separate wire grade lines located at each side of said apparatus; switch or valve means operatively attached to said feeler means; and servo means responsive to said switch or valve means for operating the hydraulic cylinders of the conventional road grader for raising or lowering the apparatus in response to the change grade level lines.
20. The invention in accordance with claim 13 wherein said drive means includes a plurality of hydraulic motors operatively connected to a hydraulic pump which is adapted for connection to a power takeoff located at the rear of the conventional road grader.
21. The invention in accordance with claim 1 including means to oscillate the sections in opposite directions.
22. The invention in accordance with claim 13 further including means for adjusting the height of the support ring.
23. A road base building apparatus for preparing earth or base material into a roadbed comprising: a frame; scarifier means connected to said frame and including a plurality of forks laterally spaced across the entire width of the frame, each of said forks is rotatable about a vertical axis and includes a plurality of vertically oriented elongated elements adapted to extend into the earth of base material for mixing, spreading and leveling the base material to a uniform mixture and grade level; and strikeoff means pivotally mounted on said frame rearwardly of said shovel means, said strikeoff means comprising a split moldboard with each section being pivotally mounted on hinge means which in turn is pivotally mounted on said frame, said moldboard being mounted to said hinges by leg means which are axially adjustable therewith to enable said moldboard strikeoff to be mounted in a plurality of elevational and angular positions with respect to the horizontal plane; and means for reciprocating said moldboard sections in opposite directions.
24. The invention in accordance with claim 23 wherein said plurality of forks is alternately rotatable in the opposite direction.
25. The invention in accordance with claim 24 wherein said plurality of forks are laterally spaced in such a manner that the end elements of each fork or paddle overlap the end elements of each adjacent fork or paddle.
26. The invention in accordance with claim 23 further including a plurality of digger teeth mounted on said elongated elements.
27. The invention in accordance with claim 25 further including a plurality of paddles mounted on said elongated elements for mixing all earth treated finish and/or base material.
28. The invention in accordance with claim 24 wherein each of said forks incluDes a shaft rotatably mounted within a frame member and said scarifier drive means includes a plurality of hydraulic motors drivingly connected to said fork shafts.
29. The invention in accordance with claim 24 wherein each of said forks includes a shaft rotatably mounted within a frame member and a sprocket fixedly attached to each of said shafts, and said scarifier drive means includes an endless timing chain drivingly engaging said sprockets and motor means driving said endless chain.
30. The invention in accordance with claim 29 wherein said timing chain is looped about said sprockets in such a manner that at any one time one portion of the chain extends transversely across the width of said frame and partially around the outer two sprockets, with the remaining portion extending about alternate peripheral sectors of said sprockets with respect to a plane extending through the axes of said sprockets.
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