METHOD FOR LINING A PIPE WITH A CEMENT MORTAR
The present invention provides a mobile cart for lining a section of water main pipe having an interior surface. The mobile cart comprising a wheeled platform with a mixer operatively connected to the wheeled platform; a discharge pump operatively connected to the wheeled platform; and a lance operatively connected to the wheeled platform.
1 . A mobile cart for lining a section of water main pipe having an interior surface comprising:
a wheeled platform;
a mixer operatively connected to said wheeled platform;
a discharge pump operatively connected to said wheeled platform; and
a lance operatively connected to said wheeled platform.
2 . The mobile cart according to claim 1 further comprising a tower operatively connected to said lance.
3 . The mobile cart according to claim 1 further comprising a control panel operatively connected to said wheeled platform.
4 . The mobile cart according to claim 1 further comprising at least one drive motor operatively connected to said wheeled platform.
5 . The mobile cart according to claim 1 further comprising at least one translational drive motor operatively connected to said wheeled platform.
6 . The mobile cart according to claim 1 further comprising at least one proximity switch operatively connected to said wheeled platform.
7 . The mobile cart according to claim 1 further comprising at least one programmable logic controller operatively connected to said wheeled platform.
8 . The mobile cart according to claim 1 further comprising an integrated load cell operatively connected to said wheeled platform.
9 . The mobile cart according to claim 1 further comprising a jack screw operatively connected to said lance.
10 . The mobile cart according to claim 1 further comprising at least one bin operatively connected to said wheeled platform.
11 . The mobile cart according to claim 1 further comprising at least one speed sensor operatively connected to said wheeled platform.
12 . The mobile cart according to claim 1 further comprising at least one volume of mixture sensor operatively connected to said lance.
13 . The mobile cart according to claim 1 further comprising at least one quantity of raw material sensor operatively connected to said mixer.
14 . The mobile cart according to claim 1 further comprising at least one moisture sensor operatively connected to said mixer.
15 . A mobile cart for lining a section of water main pipe having an interior surface comprising:
a wheeled platform;
a volumetric mixer operatively connected to said wheeled platform;
a discharge pump operatively connected to said wheeled platform;
a conveyance lance operatively connected to said wheeled platform;
a tower operatively connected to said lance;
a control panel operatively connected to said wheeled platform;
at least one positioning motor operatively connected to said tower;
at least one translational drive motor operatively connected to said wheeled platform;
at least one proximity switch operatively connected to said wheeled platform;
at least one programmable logic controller operatively connected to said wheeled platform;
at least one integrated load cell operatively connected to said wheeled platform;
a jack screw operatively connected to said lance;
at least one bin operatively connected to said wheeled platform;
at least one speed sensor operatively connected to said wheeled platform;
at least one volume of mixture sensor operatively connected to said lance;
at least one quantity of raw material sensor operatively connected to said mixer; and
at least one moisture sensor operatively connected to said mixer.
16 . A method for using a mobile cart for lining a section of water main pipe having an interior surface comprising:
providing a wheeled platform having a mixer, a discharge pump, and a lance;
discharging a high-slump cement-mortar mixture from said lance of said wheeled platform to an inside of a pipe that is being rotated about its centerline axis, said cement-mortar mixture being discharged at a predetermined rate from said lance into the rotating pipe; and
withdrawing said lance from the inside of the pipe at a predetermined rate using said wheeled platform.
17 . The method according to claim 16 further comprising providing a tower, said tower lowering, raising and laterally translating said lance.
18 . The method according to claim 16 further comprising providing at least one drive motor, said drive motor adjusting the position of said wheeled platform relative to said pipe.
19 . The method according to claim 16 further comprising providing at least one proximity switch; said proximity switch guiding said wheeled platform within limits of operation.
20 . The method according to claim 16 further comprising providing a jack screw, said jack screw vertically adjusting said lance.