Road paver with quick coupling apparatus for the transverse distribution device, and method

• US 10,577,758 B2
• Filed: 12/12/2018
• Issued: 03/03/2020
• Est. Priority Date: 12/14/2017
• Status: Active Grant

• Current Assignee: Bomag GmbH (FAYAT SAS)
• Original Assignee: Bomag GmbH (FAYAT SAS)
• Inventors: Parrilla, Saverio, Pedriali, Maurizio, Baldrati, Fabio
• Primary Examiner(s): Addie, Raymond W
• Application Number:
  US16/217,877
• Publication Number:
  US 20190186085A1
• Time in Patent Office: 447 Days
• Field of Search: 404 72, 404118
• CPC Class Codes: E01C 19/48 for laying-down the materials and consolidating them, or finishing the surface , e.g. slip forms therefor, forming kerbs or gutters in a continuous operation in situ E01C19/002, E01C23/065 take precedence; devices for guiding or controlling the machines along a predetermined path E01C19/004
• CPC Class Codes: E01C 19/4853 Apparatus designed for railless operation, e.g. crawler-mounted, provided with portable trackway arrangements
• CPC Class Codes: E01C 2301/00 Machine characteristics, parts or accessories not otherwise provided for
• CPC Class Codes: F16B 21/09 Releasable fastening devices with a stud engaging a keyhole slot
• CPC Class Codes: F16B 5/0225 allowing for adjustment parallel to the plane of the plates

Abstract

A road paver includes a height adjustable auger assembly. A support housing of the auger assembly is attached to the road paver via a quick coupling apparatus that facilitates height adjustment of the auger assembly. A plurality of sliding devices are inserted into a respective oblong hole, each oblong hole includes an expanded insertion portion and a vertically extending portion. Wherein the vertically extending portion facilitates height adjustment of the auger assembly. A method of coupling the auger assembly includes inserting the sliding devices into respective oblong holes and adjusting the height of the auger assembly by moving the sliding devices between the expanded insertion portion and the vertically extending portion of the oblong holes.

Claims

1. A road paver for paving a subbase layer in a working direction (a), comprising:

a machine frame,

a traveling mechanism,

a material hopper for receiving paving material,

a paving screed for smoothing and compacting the paving material,

a transverse distribution device for distributing paving material in the working direction (a) in front of the paving screed and transversely to the working direction (a), the transverse distribution device being supported at the machine frame via a support housing, and

a height adjustment device for vertical adjustment of the transverse distribution device relative to the machine frame,

wherein the support housing is supported at the machine frame such that the support housing is height-adjustable via a quick coupling apparatus, wherein the quick coupling apparatus comprises at least one oblong hole with an expanded insertion portion and a sliding device, wherein the sliding device can be inserted into the oblong hole through the expanded insertion portion, wherein the sliding device in the inserted state slides in the region of the oblong hole outside the expanded insertion portion-during vertical adjustment of the transverse distribution device through the height adjustment device, wherein the sliding device is supported in a form-closed manner in a direction perpendicular to the height adjustment in this region, wherein the sliding device comprises a sliding pin and a sliding anchor with an anchor plate, wherein the anchor plate has an extension transverse to the working direction which is smaller than the expanded insertion portion of the oblong hole and larger than the oblong hole in the region of the oblong hole outside the expanded insertion portion, wherein the sliding device is configured such that the sliding distance between the anchor plate of the sliding anchor and the component to which the sliding device is fastened can be set by a sliding distance adjustment apparatus, and wherein the sliding device comprises a spacer configured such that there is always at least a minimum sliding distance which essentially corresponds to the thickness of the support plate and/or the connection plate.

2. The road paver according to claim 1,

wherein the at least one oblong hole is arranged in a support plate of the machine frame of the road paver and the sliding device is arranged on a connection plate of the support housing or

the at least one oblong hole is arranged in a connection plate of the support housing and the sliding device is arranged on a support plate of the machine frame of the road paver.

3. The road paver according to claim 1,

wherein in a mounted state of the transverse distribution device, the sliding distance adjustment apparatus is arranged at the rear of the road paver in the working direction (a) and can be accessed from the rear of the road paver for actuation.

4. The road paver according to claim 1,

wherein the quick coupling apparatus comprises at least three oblong holes and three sliding devices, wherein the oblong holes and the sliding devices are respectively spaced from one another transversely to the working direction and/or vertically.

5. The road paver according to claim 1,

wherein the transverse distribution device is supported at the machine frame exclusively via the quick coupling apparatus and the height adjustment device.

6. The road paver according to claim 1,

wherein the height adjustment device is configured such that its stroke corresponds to the extension of the region of the oblong hole outside the expanded insertion portion.

7. The road paver according to claim 1,

wherein the sliding device is provided with a stop surface which is configured to interact with a stopper provided on the support housing so as to rotationally lock the sliding device in its position.

8. The road paver according to claim 1,

wherein a mounting aid including a stop for the support housing is provided, wherein the mounting aid and the support housing are configured such that the sliding device and the expanded insertion portion of the oblong hole are at equal height when the support housing strikes against the mounting aid.

9. The road paver according to claim 8,

wherein the mounting aid includes an inclined face, along which the support housing can be guided in a sliding manner until the sliding device and the expanded insertion portion of the oblong hole are at equal height.

10. The road paver according to claim 8,

wherein the mounting aid is configured as a bearing for the height adjustment device.

11. A method for mounting a transverse distribution device on a road paver according to claim 1, comprising the steps of:

inserting a sliding device via an expanded insertion portion of an oblong hole into said oblong hole, and

arranging a height adjustment device between the road paver and the transverse distribution device, wherein the sliding device in the inserted state is guided in a sliding manner in the region of the oblong hole outside the expanded insertion portion during vertical adjustment of the transverse distribution device through the height adjustment device, wherein the sliding device is supported in a form-closed manner in a direction perpendicular to the height adjustment in this region.