Boom segment for concrete pump: Fid-Bau Portal

Boom segment for concrete pump

MULLER ANSGAR / RAU BENJAMIN

The invention relates to a boom segment comprising an upper band (33), a lower band (34) and two side portions (35, 36) connecting the upper band (33) and the lower band (34). The boom segment (30) comprises an articulated connection (62) defining a pivot axis (74) for a pivotal connection between the boom segment (21) and an adjacent structure (20), where: the pivot axis (74) lies below a plane (63) in which the lower band (34) lies; the transition piece (64) is located between the lower band portion (34) and the hinged connection portion (62), and a connection portion (65) between the transition piece (64) and the lower band portion (34) is spaced from an adjacent end (61) of the lower band portion (34); the transition piece (64) is surrounded between a first reinforcement portion (40) and a second reinforcement portion (70) laterally adjoining the transition piece (64); the reinforcing portions (40, 70) each have a lower edge (69) extending from the hinged connection (62) to the lower band (34); the lower edge (69) and the plane (63) where the lower band-shaped part (34) is located define an angle (68), and the angle is smaller than an angle (67) defined by the transition piece (64) and the plane (63) where the lower band-shaped part (34) is located.

本发明涉及一种吊臂节段，其包括上带状部(33)、下带状部(34)以及连接上带状部(33)和下带状部(34)的两个侧部部分(35，36)。吊臂节段(30)包括铰接连接部(62)，该铰接连接部限定用于吊臂节段(21)与邻近结构(20)之间的枢转连接的枢转轴线(74)，其中：枢转轴线(74)位于下带状部(34)所在的平面(63)下方；过渡件(64)位于下带状部(34)与铰接连接部(62)之间，并且过渡件(64)与下带状部(34)之间的连接部(65)与下带状部(34)的邻近端(61)间隔开；过渡件(64)被包围在在侧向上邻接过渡件(64)的第一加强部分(40)与第二加强部分(70)之间；加强部分(40，70)均具有从铰接连接部(62)延伸到下带状部(34)的下边缘(69)；并且下边缘(69)与下带状部(34)所在的平面(63)围成一角度(68)，该角度小于过渡件(64)与下带状部(34)所在的平面(63)所围成的角度(67)。

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