초록

The present invention provides a hydraulic actuator adapted for use in downhole well applications that enables control of several hydraulic devices from a single control line.

대표청구항 ▼

The present invention provides a hydraulic actuator adapted for use in downhole well applications that enables control of several hydraulic devices from a single control line. in said longitudinal direction parallel to said X-axis and by moving said robot to move said tool head at least in said orbi

The present invention provides a hydraulic actuator adapted for use in downhole well applications that enables control of several hydraulic devices from a single control line. in said longitudinal direction parallel to said X-axis and by moving said robot to move said tool head at least in said orbital direction relative to said mounting frame; and iii) at least one control unit respectively including a computer, which is connected to said inner apparatus part and to said outer apparatus part, and adapted to provide to said inner apparatus part and to said outer apparatus part control signals generated by said computer to control and coordinate moving of said inner apparatus part and said outer apparatus part sequentially to said plural joint locations and to control and coordinate operating steps of said first and second joining tools to form joint connections at said joint locations. 2. The joining apparatus according to claim 1, wherein said joining machine system is a riveting machine system, said at least one first joining tool is at least one first riveting tool, said at least one second joining tool is at least one second riveting tool, said joint locations are rivet locations and said joint connections are rivet connections. 3. The joining apparatus according to claim 2, wherein said at least one first riveting tool includes all tools necessary for boring a rivet hole, supplying and inserting a rivet blank into the rivet hole, and carrying out a rivet fastening of the rivet blank at a respective one of said rivet locations. 4. The joining apparatus according to claim 2, wherein said at least one second riveting tool comprises a counterholding tool. 5. The joining apparatus according to claim 2, wherein said at least one second riveting tool comprises a rivet head closing tool. 6. The joining apparatus according to claim 1, wherein said at least one control unit comprises two control units respectively including two of said computers, said two control units are connected to each other, a first one of said two control units is connected to said outer apparatus part, and a second one of said two control units is connected to said inner apparatus part. 7. The joining apparatus according to claim 1, wherein said inner support arrangement of said inner apparatus part comprises a support arm stand having a support arm guide, and said mounting frame of said inner apparatus part comprises a support arm that extends horizontally in said longitudinal direction and that is horizontally movably supported by said support arm guide so as to be movable linearly in said longitudinal direction parallel to said X-axis in said support arm guide, and wherein said robot is mounted on a free end of said support arm. 8. The joining apparatus according to claim 7, wherein said support arm is rotatable in said orbital direction about said X-axis in said support arm guide. 9. The joining apparatus according to claim 7, wherein said support arm comprises a main arm segment and an end arm segment that includes said free end of said support arm and that is rotatably connected to said main arm segment so as to be rotatable in said orbital direction about said X-axis. 10. The joining apparatus according to claim 1, wherein said assembly area floor comprises a supporting floor and a guide rail extending in said longitudinal direction parallel to said X-direction and mounted on or in said supporting floor, and said inner support arrangement comprises a movable support stand that is movably mounted on said guide rail so as to be movable therealong in said longitudinal direction parallel to said X-axis. 11. The joining apparatus according to claim 1, wherein said inner support arrangement comprises a stationary support stand that is stationarily supported on said assembly area floor. 12. The joining apparatus according to claim 1, wherein said assembly area floor comprises a supporting, floor and a rail system extending parallel to said X-axis and mounted on or in said supporting floor, and said outer support arrangement comprises a movable support frame that carries said ring-shaped machine guide arrangement and that is m