The present invention relates to a combine harvester platform (11) for a combined harvester (100) comprising: a central header section (13) and two articulated side header sections (15, 17) relative to the central section (13) ) and arranged to pivot with respect to the center section (13) to assume a working configuration, wherein the three platform sections (13, 15, 17) are horizontally aligned, and a rest or transport configuration, wherein the side platform sections (15, 17) overlap the center section (13), the platform sections (13, 15, 17) being provided with: a support structure (19, 21, 23)； a cutter bar (29, 31, 33) associated with the support structure (19, 21, 23) by means of a hydraulic suspension (81), wherein the cutter bar (29, 31, 33) comprises a blade (89) having a substantially trapezoid shaped knife series (91) and capable of outward and backward movement by means of a motor driven control member (93)； a pickup coil (45, 47, 49) supported on the support structure (19, 21, 23) by means of articulated arms (65)； a conveyor belt conveyor (37, 39, 41) disposed downstream of the cutter bar (29, 31, 33) and configured to feed cut material by the cutter bar (29, 31, 33) downstream of the harvester header (11) towards the rear of the harvester header (11).a presente invenção refere-se a uma plataforma de colheitadeira (11) para uma colheitadeira combinada (100) compreendendo: uma seção de plataforma central (13) e duas seções de plataformas laterais (15, 17) articuladas em relação à seção central (13) e dispostas para girar em relação à seção central (13) para assumir uma configuração de trabalho, em que as três seções de plataforma (13, 15, 17) são alinhadas mutuamente de forma horizontal, e uma configuração de repouso ou de transporte, em que as seções de plataformas laterais (15, 17) sobrepõem a seção central (13), as seções de plataformas (13, 15, 17) sendo providas de: uma estrutura de suporte (19, 21, 23)； uma barra de corte (29, 31, 33) associada c
