FIELD: lifting devices.
SUBSTANCE: invention relates to a rigging unit for cargo lifting. Proposed unit comprises swivel housing (12) coupled with coupler (16) to interact with hoisting rig and locking element (14) to secure rigging block to load. Fixing element (14) and swivel housing (12) are conjugated to each other by means of a swivel joint, providing rotation of housing (12) relative to fixing element (14) around axis A. Each of components of fixing element (14) and housing (12) of swivel, interacting in a swivel joint, is made in the form of a single part, and that that and/or other of these components (12, 14) is made (in) by method of layer-by-layer escalating of metal powder.
EFFECT: providing high level of safety.
12 cl, 8 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| RELIEF WELL VALVE | 0 |
|
SU1816300A3 |
| SUBSURFACE SAFETY VALVE | 2000 |
|
RU2178513C1 |
| 0 |
|
SU444024A1 | |
| MOUNTING SHELL FOR PULLEY BLOCK | 1991 |
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| ANTI-SIPHON SEALING DEVICE | 2014 |
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| LOAD GRIPPER WHICH SUSPENSION CENTRE IS ADJUSTABLE TO POSITION OF LOAD CENTRE OF MASS | 2007 |
|
RU2344986C1 |
