Road trailer with lift frame for transporting and deploying legged containers
A trailer has a main frame with a neck portion on its forward end. A pivot fifth wheel is rotatably affixed to the forward end of the neck portion. The pivot fifth wheel releasably attaches to the fifth wheel of a towing vehicle. An axle frame is rotatably affixed to the rearward end of the main frame, and rotates with respect to the main frame. The pivot fifth wheel and the axle frame are configured to pivot and move the main frame upwardly a vertical distance.
1. A trailer comprising:
a trailer main frame comprising a forward end and a rearward end;
a neck portion rigidly affixed to the forward end of the main frame;
a pivot fifth wheel rotatably affixed to the neck portion, the pivot fifth wheel rotatable with respect to the neck portion, the pivot fifth wheel configured to removably attach to a fifth wheel of a towing vehicle;
an axle frame rotatably affixed to the rearward end of the main frame, the axle frame rotatable with respect to the main frame; and
frontward hydraulic cylinders extending substantially vertically between the neck portion and the pivot fifth wheel, the frontward hydraulic cylinders configured to push down on the pivot fifth wheel and lift the neck and the main frame upwardly a vertical distance.
2. The trailer of claim 1 , further comprising rearward hydraulic cylinders extending between the axle frame and the main frame, the rearward hydraulic cylinders configured to push down on the axle frame and lift the main frame the vertical distance.
3. The trailer of claim 1 , wherein the vertical distance is between four (4) inches and eighteen (18) inches.
4. The trailer of claim 1 , wherein the neck portion comprises a plurality of openings at a forward end of the neck, the openings configured to receive protrusions extending from the pivot fifth wheel.
5. The trailer of claim 4 , each of the protrusions affixed to a lower end of one of the frontward hydraulic cylinders.
6. The trailer of claim 5 , an upper end of each of the frontward hydraulic cylinders affixed to an upper cross tube of the neck portion, such that each hydraulic cylinder extends between the upper cross tube of the neck portion and one of the protrusions of the pivot fifth wheel.
7. The trailer of claim 6 , where the protrusions of the pivot fifth wheel and the upper cross tube of the neck portion are in a same vertical plane.
8. The trailer of claim 1 , a kingpin disposed on a lower side of the pivot fifth wheel for releasable connection to the fifth wheel of the towing vehicle.
9. A trailer comprising:
a trailer main frame comprising a forward end and a rearward end;
the forward end comprising a neck portion;
a pivot fifth wheel rotatably affixed to the neck portion, the pivot fifth wheel rotatable with respect to the neck portion, the pivot fifth wheel configured to removably attach to a fifth wheel of a towing vehicle;
frontward hydraulic cylinders extending substantially vertically between the neck portion and the pivot fifth wheel, the frontward hydraulic cylinders configured to push down on the pivot fifth wheel and lift the neck and the main frame upwardly a vertical distance.
10. The trailer of claim 9 , further comprising an axle frame rotatably affixed to the rearward end of the main frame, the axle frame rotatable with respect to the main frame, the axle frame configured to pivot and move the main frame upwardly the vertical distance.
11. The trailer of claim 10 , further comprising rearward hydraulic cylinders extending between the axle frame and the main frame, the rearward hydraulic cylinders configured to push down on the axle frame and lift the main frame the vertical distance.
12. The trailer of claim 10 , wherein the vertical distance is between four (4) inches and eighteen (18) inches.
13. The trailer of claim 10 , wherein the neck portion comprises a plurality of openings at a forward end of the neck, the openings configured to receive protrusions extending from the pivot fifth wheel.
14. The trailer of claim 13 , each of the protrusions affixed to a lower end of one of the frontward hydraulic cylinders.
15. The trailer of claim 14 , an upper end of each of the frontward hydraulic cylinders affixed to an upper cross tube of the neck portion, such that each hydraulic cylinder extends between the upper cross tube of the neck portion and one of the protrusions of the pivot fifth wheel.
16. The trailer of claim 15 , where the protrusions of the pivot fifth wheel and the upper cross tube of the neck portion are in a same vertical plane.
17. The trailer of claim 9 , a kingpin disposed on a lower side of the pivot fifth wheel for releasable connection to the fifth wheel of the towing vehicle.