Safety guard for a hydraulic device

A system for tensioning a stud that projects from a structural member, the stud having a first end and a second end, the system comprising:

• (a) a hydraulic tensioning system coupled with the first end of the stud and configured for being supported by the structural member during tensioning, the hydraulic tensioning system including a hydraulic chamber;
• (b) a guard housing surrounding at least a portion of the hydraulic tensioning system, wherein the guard housing is coupled with the second end of the stud;
• and
• (c) a hydraulic interlock assembly including:
• (i) a clamping member coupled with the guard housing, the clamping member including a first surface adapted to be supported by the hydraulic tensioning system, the clamping member having a cavity defined therein,
• (ii) a first hydraulic connector movably disposed within the cavity of the clamping member, the first hydraulic connector including a first passage in fluid communication with the hydraulic chamber of the hydraulic tensioning system,
• (iii) a coupling member movably disposed within the cavity of the clamping member and fixedly coupled with the first hydraulic connector, the coupling member including a second passage in fluid communication with the first passage and a hydraulic source, and
• (iv) a disconnect bias spring disposed within the cavity of the clamping member, the disconnect bias spring including a first end and a second end, the first end of the disconnect bias spring is coupled with the clamping member, and the second end of the disconnect bias spring is coupled to the coupling member for biasing the coupling member away from the hydraulic tensioning system,
• wherein a hydraulic fluid is introduced from the hydraulic source through the first and second passages to the hydraulic chamber of the hydraulic tensioning system to tension the stud.

A system for tensioning a stud that projects from a structural member, the stud including a first end and a second end, the system comprising:

• (a) a safety guard including a guard housing and a hydraulic interlock assembly;
• and
• (b) a tensioning system coupled with the first end of the stud,
• wherein the guard housing surrounds at least a portion of the tensioning system,
• wherein the guard housing is directly coupled with the second end of the stud and the hydraulic interlock assembly, and
• wherein the hydraulic interlock assembly is coupled with the guard housing and the tensioning system,
• wherein the hydraulic interlock assembly provides fluid communication of a hydraulic fluid from a hydraulic source to the tensioning system to tension the stud.