Apparatus for vertically supporting pipes
An apparatus for vertically supporting pipes in oil production rigs. The apparatus includes an outer frame and a centering device. In the area of an inner side of the outer frame, at least one wedge device is provided for clamping the pipe. The outer frame is connected to the centering device so as to be vertically aligned and facing upwardly. A wedge device may additionally include a positioning device and a carrier provided with at least one wedge.
1. An apparatus for vertically supporting pipes in oil production rigs, the apparatus comprising an outer frame and a centering device, further comprising in an area of an inner side of the outer frame at least one wedge device for clamping the pipe, wherein the wedge device comprises a positioning device and at least three carriers each provided with at least one wedge, wherein the outer frame is provided with wedge devices selected from a set of different sized wedge devices.
2. The apparatus according to claim 1 , wherein the outer frame is comprised of multiple parts.
3. The apparatus according to claim 1 , wherein the outer frame is comprised of two parts.
4. The apparatus according to claim 1 , wherein parts of the outer frame are mechanically connected to one another.
5. The apparatus according to claim 1 , wherein the outer frame comprises an access door.
6. The apparatus according to claim 1 , wherein the outer frame is connected to the centering device with the outer frame being aligned vertically and facing upwardly.
7. The apparatus according to claim 6 , wherein the centering device is comprised of several parts.
8. The apparatus according to claim 7 , wherein the centering device is comprised of two parts.
9. The apparatus according to claim 1 , wherein the centering device is pivotally connected to the outer frame.
10. The apparatus according to claim 1 , wherein the carrier is selected from a set of differently sized carriers.
11. The apparatus according to claim 1 , wherein the positioning device of the wedge device comprises at least one hydraulic cylinder for positioning.
12. The apparatus according to claim 11 , wherein at least two wedges are secured to the carrier by means of a support element.
13. The apparatus according to claim 1 , wherein the wedge device is connected to a central lubricant supply.
14. The apparatus according to claim 1 , wherein the outer frame has at least one outer adapter for size adjustment.
15. The apparatus according to claim 5 , wherein pipe recesses for receiving hinge bolts connecting the access door to the outer frame have a length which is greater than a width thereof.