To provide a screw jack for a structure capable of easily adjusting an angle of the screw jack attached to vertical and horizontal shape steel by adjusting a connection part.
This screw jack for the structure is provided with an upper part jack 100 having an upper part connection pipe 110, a plate-like upper part receiving part 120 connected with an upper end part of the upper part connection pipe 110, and a plurality of reinforcing ribs 112 formed on an outer side face of the upper part connection pipe 110 and reinforcing connection of the upper part receiving part 120 and the upper part connection pipe 110, a lower part connection pipe 200 connected with a lower part of the upper part connection pipe 110 and forming a rack 210 and a first connection hole 220 in a bar-like part on a lower part side, a lower part jack 300 having a connection part 310 forming a pinion 313 to mesh with the rack 210 and a second connection hole 315 and a plate-like lower part receiving part 320 connected with a lower end part of the connection part 310, and a steel bar 400 inserted into the first connection hole 220 of the lower part connection pipe 200 and the second connection hole 315 of the connection part 310.
| WO/1998/007648 | POSITIONING DEVICE |
| JP2005517880 | Actuator |
Tetsuo Kanamoto
Koji Hagiwara
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