Trapezoidal strong back beam system

Abstract

A trapezoidal strong back beam system for securing a bridge crane to a structure. The trapezoidal strong back beam system has at least one guide attachable to a support structure, at least one carriage associated with the guide and moveable along the length of the guide, a bridge beam attachable to the carriage, and at least one attachment means associated with the guide track of the bridge beam. The bridge beam has a guide track and a trapezoidal beam attached to the guide track. The guide track is attachable to the carriage. The attachment means is adapted to support a lifting device. The trapezoidal beam has a top section, a first side rigidly secured to the top section, and a second side rigidly secured to the top section opposite the first side. The first and second sides taper inwardly toward each other from the top section to the guide track.

1 . A trapezoidal strong back beam system for a bridge crane, said trapezoidal strong back beam system comprising:
 at least one guide attachable to a support structure;   at least one carriage associated with said guide and moveable along the length of said guide;   a bridge beam attachable to said carriage, said bridge beam having a guide track and a trapezoidal beam, said guide track being attachable to said carriage, said trapezoidal beam being attachable to said guide track; and   at least one attachment means associated with said guide track of said bridge beam, said attachment means being adapted to support a lifting device;   wherein said trapezoidal beam having a top section, a first side rigidly secured to said top section, and a second side rigidly secured to said top section opposite said first side;   wherein said first and second sides taper inwardly toward each other from said top section to said guide track.   
   
   
       2 . The trapezoidal strong back beam system of  claim 1 , wherein said first and second sides of said trapezoidal beam further comprising a flange opposite said top section, said flanges being rigidly secured to said guide track. 
   
   
       3 . The trapezoidal strong back beam system of  claim 1 , wherein said guide is a pair of guides parallel to each other. 
   
   
       4 . The trapezoidal strong back beam system of  claim 1 , wherein said guide is a trapezoidal beam. 
   
   
       5 . The trapezoidal strong back beam system of  claim 1  further comprising an end cap attachable to the terminal ends of said trapezoidal beam, and above said guide track. 
   
   
       6 . The trapezoidal strong back beam system of  claim 1  further comprising at least one diaphragm stiffener, said diaphragm stiffener being insertable into the interior of said trapezoidal beam. 
   
   
       7 . The trapezoidal strong back beam system of  claim 1  further comprising a connection means pivotally connecting said carriage to at least one end of said guide track of said bridge beam, wherein said connection means includes a universal connection to absorb rotational and lateral motions of said bridge beam when a force is applied to said attachment means. 
   
   
       8 . The trapezoidal strong back beam system of  claim 7  further comprising a trolley associated with guide track of said bridge beam and movable along said bridge beam, and wherein said attachment means is connected to said trolley. 
   
   
       9 . The trapezoidal strong back beam system of  claim 8  wherein said connection means further comprises a displacement arm pivotally connectable to said guide track of said bridge beam and to said carriage. 
   
   
       10 . The trapezoidal strong back beam system of  claim 9  wherein said displacement arm is supported on a ball bearing attached to said carriage. 
   
   
       11 . The trapezoidal strong back beam system of  claim 10 , wherein said carriage further comprising at least one anti-derailment means engagable with said guide track of said bridge beam. 
   
   
       12 . The trapezoidal strong back beam system of  claim 11  further comprising at least one bridge sleeve pivotally connectable to said displacement arm opposite said ball bearing, said bridge sleeve being adapted to removably receive said guide track of said bridge beam therein. 
   
   
       13 . The trapezoidal strong back beam system of  claim 1  further comprising at least one guide track coupler adapted to connect at least two guide tracks together. 
   
   
       14 . The trapezoidal strong back beam system of  claim 1 , wherein in said top section having a first top section rigidly secured to said first side, and a second top section rigidly secured to said second side, wherein said first top section being rigidly secured to said second top section. 
   
   
       15 . The trapezoidal strong back beam system of  claim 1 , wherein said carriage further comprising at least one mounting plate, at least one roller pivotally connected to said mounting plate and adapted to contact said guide, at least one axle attachable to said mounting plate, at least one pivot post pivotally attachable to said axle, and at least one arm pivotally attachable to said pivot post and said guide track of said bridge beam. 
   
   
       16 . A trapezoidal strong back beam system comprising:
 at least one guide attachable to a support structure;   at least one carriage moveable along said beam, said carriage including at least one mounting plate, and at least one roller pivotally connected to said mounting plate and adapted to contact said beam;   a trapezoidal bridge beam attachable to said carriage, said bridge beam having a guide track and a trapezoidal beam, said guide track being attachable to said carriage, said trapezoidal beam having a top section, a first side rigidly secured to said top section, and a second side rigidly secured to said top section opposite said first side, wherein said first and second sides taper inwardly toward each other from said top section to said guide track;   an end cap attachable to the terminal ends of said trapezoidal beam;   at least one diaphragm stiffener, said diaphragm stiffener being insertable into the interior of said trapezoidal beam;   at least one attachment means associated with said guide track of said bridge beam, said attachment means being adapted to support a lifting device;   a connection means pivotally connecting said carriage to at least one end of said guide track of said bridge beam, wherein said connection means includes a universal connection to absorb rotational and lateral motions of said bridge beam when a force is applied to said attachment means;   
   
   
       17 . The trapezoidal strong back beam system of  claim 16  further comprising a displacement arm pivotally connectable to said guide track of said bridge beam and to said carriage, and wherein said carriage further comprising at least one anti-derailment means engagable with said guide track of said bridge beam. 
   
   
       18 . The trapezoidal strong back beam system of  claim 17  wherein said displacement arm is supported on a ball bearing attached to said carriage, and further comprising at least one bridge sleeve pivotally connectable to said displacement arm opposite said ball bearing, said bridge sleeve being adapted to removably receive said guide track of said bridge beam therein. 
   
   
       19 . The trapezoidal strong back beam system of  claim 16  wherein said carriage further comprising at least one mounting plate, at least one roller pivotally connected to said mounting plate and adapted to contact said guide, at least one axle attachable to said mounting plate, at least one pivot post pivotally attachable to said axle, and at least one arm pivotally attachable to said pivot post and said guide track of said bridge beam. 
   
   
       20 . A trapezoidal strong back beam system comprising:
 at least one guide attachable to a support structure, said guide is selected from the group consisting of an I-beam and a trapezoidal beam;   at least one carriage moveable along said guide, said carriage including at least one mounting plate, and at least one roller pivotally connected to said mounting plate and adapted to contact said guide;   at least one axle attachable to said mounting plate;   at least one pivot post pivotally attachable to said axle;   at least one arm pivotally attachable to said pivot post;   at least one bridge sleeve pivotally connectable to said arm opposite said pivot post;   a trapezoidal bridge beam having a trapezoidal beam and a guide track, said guide track being removably attachable to said bridge sleeve, said trapezoidal beam having a top section, a first side rigidly secured to said top section, and a second side rigidly secured to said top section opposite said first side, said first and second sides taper inwardly toward each other from said top section to said guide track   at least one attachment means associated with said guide track of said bridge beam, said attachment means being adapted to support a lifting device; and   at least one trolley associated with said bridge and movable along said bridge, and wherein said attachment means is connected to said trolley.