A self propelled slipform paver apparatus includes a chassis, a plurality of ground engaging supports, and a plurality of lifting columns extending between the chassis and the ground engaging supports. A chassis mounting unit is connected to the chassis. A mold for flowable material is also included
A self propelled slipform paver apparatus includes a chassis, a plurality of ground engaging supports, and a plurality of lifting columns extending between the chassis and the ground engaging supports. A chassis mounting unit is connected to the chassis. A mold for flowable material is also included. A mold mounting unit is connected to the mold. One of the chassis mounting unit and the mold mounting unit includes at least one front claw-like fastening member and at least one rear claw-like fastening member. The claw-like fastening members are open in the same direction either in the direction of operation or opposite to the direction of operation. The other of the chassis mounting unit and the mold mounting unit includes at least one front mating member and at least one rear mating member. The mating members are shaped and arranged to be received in the claw-like fastening members.
대표청구항▼
1. A self-propelled slipform paver apparatus, comprising: a chassis having a direction of operation;a plurality of ground engaging supports;a plurality of lifting columns extending between the chassis and the ground engaging supports so that a height of the chassis may be adjusted;a chassis mounting
1. A self-propelled slipform paver apparatus, comprising: a chassis having a direction of operation;a plurality of ground engaging supports;a plurality of lifting columns extending between the chassis and the ground engaging supports so that a height of the chassis may be adjusted;a chassis mounting unit connected to the chassis;a mould for flowable material;a mould mounting unit connected to the mould;one of the chassis mounting unit and the mould mounting unit including at least one front claw-like fastening member and at least one rear claw-like fastening member, the claw-like fastening members being open in the same direction either in the direction of operation or opposite to the direction of operation, the claw-like fastening members being immovably attached to their respective mounting unit; andthe other of the chassis mounting unit and the mould mounting unit including at least one front mating member and at least one rear mating member, the mating members being shaped and arranged to be received in the claw-like fastening members. 2. The apparatus of claim 1, wherein: the chassis mounting unit includes the claw-like fastening members, and the claw-like fastening members are open in the direction of operation. 3. The apparatus of claim 1, wherein: the mating members are substantially cylindrical; andthe claw-like fastening members each include a receiving region substantially in the form of a hollow cylinder to receive the associated substantially cylindrical mating members, the claw-like fastening members being arranged such that cylindrical axes passing through the hollow cylinder shaped receiving regions extend at right angles to the direction of operation. 4. The apparatus of claim 1, wherein: the chassis mounting unit has its associated fastening members or mating members arranged on an underside of the chassis mounting unit. 5. The apparatus of claim 1, wherein: said at least one front claw-like fastening member comprises two front claw-like fastening members; andsaid at least one front mating member comprises two front mating members. 6. The apparatus of claim 1, wherein: at least one of the claw-like fastening members includes a trough-like depression. 7. The apparatus of claim 1, further comprising: a lock having a first position in which the chassis mounting unit may move relative to the mould mounting unit to engage or disengage the mating members and the fastening members, and a second position in which the mating members are secured in the fastening members. 8. The apparatus of claim 7, wherein: the lock includes at least one locking member movable from the first position to the second position in a direction opposed to the direction of operation. 9. The apparatus of claim 8, wherein: the at least one locking member moves obliquely to the direction of operation. 10. The apparatus of claim 8, wherein: the lock includes at least one abutment member defined on the mould mounting unit, the abutment member being separate from the mating members and the fastening members, the at least one abutment member having a face for contact with the at least one locking member. 11. The apparatus of claim 10, wherein: the face for contact is a generally flat planar face and faces generally in the direction of operation and is inclined relative to the direction of operation. 12. The apparatus of claim 1, wherein: the mould mounting unit includes the claw-like fastening members, and the claw-like fastening members are open in a direction opposite to the direction of operation. 13. The apparatus of claim 1, further comprising: at least one guideway extending toward at least one of the mating members, to guide at least one of the fastening members into engagement with its associated mating member. 14. The apparatus of claim 13, wherein: the at least one guideway includes at least one guiding plate arranged on one side of the at least one guideway, the guiding plate being arranged at an oblique angle relative to the guideway. 15. The apparatus of claim 1, wherein: the chassis mounting unit is movable laterally and vertically relative to the chassis at right angles to the direction of travel. 16. A slipform paver apparatus, comprising: a chassis having a forward direction of operation;a chassis mounting unit supported from the chassis;a mould for flowable material;a mould mounting unit supported from the mould;one of the chassis mounting unit and the mould mounting unit including forward and rearward connecting bars fixedly attached thereto and extending laterally relative to the direction of operation; andthe other of the chassis mounting unit and the mould mounting unit including forward and rearward connecting arms immovably attached thereto and being open toward the connecting bars, so that when the connecting bars are engaged with the connecting arms, motion of the chassis in the forward direction of operation holds the connecting bars in engagement with the connecting arms. 17. The apparatus of claim 16, wherein: the connecting bars are attached to the mould mounting unit; andthe connecting arms are attached to the chassis mounting unit and are open in the forward direction of operation. 18. The apparatus of claim 17, wherein: the mould mounting unit includes two of the forward connecting bars laterally spaced from each other;the mould mounting unit includes only one rear connecting bar, located laterally between the two forward connecting bars;the chassis mounting unit includes two of the forward connecting arms aligned with the two forward connecting bars; andthe chassis mounting unit includes only one rear connecting arm aligned with the rear connecting bar. 19. The apparatus of claim 17, wherein: the mould mounting unit includes two of the forward connecting bars laterally spaced from each other, and two of the rear connecting bars laterally spaced from each other. 20. The apparatus of claim 17, further comprising: at least one guide channel located on the mould mounting unit rearward of at least one of the connecting bars, for guiding at least one of the connecting arms into engagement with its associated connecting bar when the chassis is driven forward relative to the mould to engage the chassis mounting unit with the mould mounting unit. 21. The apparatus of claim 17, further comprising: a lock including a piston and cylinder mounted on the chassis mounting unit with the piston extending on a downward and rearwardly inclined angle toward the mould mounting unit, and an abutment fixed on the mould mounting unit and having an inclined forwardly facing abutment surface for engagement by the piston. 22. The apparatus of claim 16, wherein: at least a first one of the connecting arms includes an upwardly concave recess for closely receiving its associated connecting bar; anda second one of the connecting arms, spaced from said first one of the connecting arms in the direction of operation, has a continuous engagement surface with no upwardly concave recess, so that an engaged position of the chassis mounting unit relative to the mould mounting unit is defined by engagement of the upwardly concave recess of said first one of the connecting arms with its associated connecting bar. 23. The apparatus of claim 16, wherein: the connecting bars are attached to the chassis mounting unit;the connecting arms are attached to the mould mounting unit and are open opposite to the forward direction of operation; andthe apparatus further comprises a lock arranged to selectively lock the mould mounting unit to the chassis mounting unit with the connecting bars engaging the connecting arms. 24. The apparatus of claim 16, wherein: the chassis mounting unit is movable laterally and vertically relative to the chassis at right angles to the direction of travel. 25. A slipform paver apparatus, comprising; a chassis having a direction of operation;a plurality of ground engaging supports;a plurality of lifting columns extending between the chassis and the ground engaging supports so that a height of the chassis may be adjusted;a chassis mounting unit connected to the chassis and movable laterally and vertically relative to the chassis at right angles to the direction of travel; andat least three arms immovably attached to and extending forwardly from an underside of the chassis mounting unit for engaging a mould for flowable material, the at least three arms including at least one forward arm and at least one rear arm, and at least two of the arms being laterally spaced from each other. 26. The apparatus of claim 25, wherein: the at least three arms include three and only three arms, and the three arms are all laterally spaced from each other. 27. The apparatus of claim 25, wherein: the at least three arms include two forward arms and two rear arms. 28. The apparatus of claim 25, further comprising: a locking cylinder and piston mounted on the chassis mounting unit with the piston directed rearwardly and downwardly at an inclined angle. 29. The apparatus of claim 25, wherein: at least one of the arms includes an upwardly open concave recess for closely receiving a bar of the mould. 30. A mould apparatus, comprising: a mould for flowable material, the mould having a direction of operation, the mould having a length in the direction of operation and the mould having a width transverse to the direction of operation, the mould having a height, the height and length of the mould being greater than the width of the mould; anda mould mounting unit connected to the mould, the mould mounting unit including: at least one forward connecting bar extending transversely to the direction of operation;at least one rear connecting bar extending transversely to the direction of operation;at least one guide channel located rearward of at least one of the connecting bars, for guiding a corresponding lifting mechanism of a construction machine into engagement with the at least one of the connecting bars upon forward motion of the construction machine relative to the mould; andat least one forward facing inclined abutment surface defined on the mould mounting unit forward of the at least one rear connecting bar, the abutment surface including a lock receiving recess. 31. The apparatus of claim 30, wherein: the connecting bars are cylindrical bars. 32. The apparatus of claim 30, wherein: the at least one forward connecting bar comprises two transversely spaced co-axial forward connecting bars; andthe at least one rear connecting bar comprises only one rear connecting bar spaced transversely between the two forward connecting bars. 33. The apparatus of claim 30, wherein: the at least one forward connecting bar comprises two transversely spaced co-axial forward connecting bars; andthe at least one rear connecting bar comprises two transversely spaced co-axial rear connecting bars. 34. The apparatus of claim 33, wherein: the at least one forward facing inclined abutment surface includes first and second transversely spaced forward facing inclined abutments defined on the mould mounting unit. 35. A method of detachably connecting a mould for flowable material to a chassis of a slipform paver apparatus, the chassis having a forward longitudinal direction of operation and the chassis having a first connecting structure, the mould having a second connecting structure complementary to the first connecting structure and shaped for connecting engagement with the first connecting structure, the method comprising: (a) with the mould located on a ground surface and not connected to the chassis, locating the chassis relative to the mould so that the first connecting structure of the chassis is located rearwardly of and aligned longitudinally with the second connecting structure of the mould;(b) driving the chassis forward until the first connecting structure engages the second connecting structure, and thereby connecting the mould to the chassis; and(c) locking the mould to the chassis with a lock separate from the first and second connecting structures, the locking step including extending a piston from the chassis downwardly and rearwardly into engagement with an abutment defined on the mould. 36. The method of claim 35, further comprising: during step (b), guiding the first connecting member into engagement with the second connecting member with a tapered channel guide. 37. The method of claim 35, wherein: step (b) further comprises seating the second connecting structure in an upwardly open concave recess of the first connecting structure. 38. The method of claim 35, wherein: the second connecting structure includes both forward and rearward transversely extending bars, and the first connecting structure includes both forward and rearward forwardly extending arms; andstep (b) further comprises moving the forwardly extending arms forwardly under the transversely extending bars until the bars firmly engage the first connecting structure. 39. The method of claim 38, wherein: step (b) further comprises seating a first one of the bars in an upwardly open concave recess of at least one of the arms while simultaneously supporting a second one of the bars upon its associated arm without seating the second one of the bars in any recess of its associated arm, the first and second ones of the bars being longitudinally spaced.
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