TURBO MACHINE SHOVEL CONTAINING PROTECTIVE INSERT OF SHOVEL TOP

摘要

1. The blade (10) of the rotor of the turbomachine, comprising a housing (12), extending radially relative to the main axis of the rotor of the turbomachine and including: - a radially external end vertex (16), - the surface of the trough (22) located on the side upstream of the housing (12), in the direction of rotation of the rotor; - the leading edge (18) with the main radial orientation, located axially upstream with respect to the gas flow in the turbomachine; and - the rear edge (20) with the main radial orientation, located axially lower in relation to the gas flow in the turbomachine, while the blade (10) contains an insert (26) that covers the top (16) of the housing (12), and the insert ( 26) is formed by the first part (28) that covers the radially apex (16) of the blade (10), and the second part (30) that partially covers the surface of the trough (22) of the blade (10), while the first part (28) of the insert (26) contains an edge located on the side downstream of the blade (10) in the direction of rotation of the rotor and located at the same level with the surface of the back (24) of the housing (12), located on the downstream side of the housing (12) in the direction of rotation of the rotor, characterized in that the cross section of the insert (26) in a plane radial relative to the axis of the rotor has the shape of an angle, the first part ( 28) insert (26) which extends tangentially relative to the main axis of the rotor, and the second part (30) extends generally radially relative to the main axis of the rotor. 2. The rotor blade (10) according to claim 1, characterized in that the second part (30) of the insert (26) extends over the entire axial size of the blade (10) from the leading edge (18) to the trailing edge (20). 3. The rotor blade (10) according to claim 1, characterized in that the second part (30) of the insert (26) has a surface of the trough (32), which is located at the same level with the surface of the trough (22) of the housing (12) .4. Shovel