Abstract
The tiltable top beam low-position top coal caving end hydraulic support comprises a base, a stand column and a top beam, wherein the top beam is provided with a top plate; each upright post is hinged with the top beam through a universal joint mechanism, and a cross-shaped connector is arranged between the inclined beam and the top beam. The utility model has the advantages of can adapt to the condition that the top is not parallel or roof and base are not parallel.
Translated title of the contribution | Tiltable top beam low-position caving coal end hydraulic support |
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Original language | Chinese (Simplified) |
Patent number | CN211038696U |
Priority date | 24/05/19 |
Filing date | 24/05/19 |
Publication status | Published - 17 Jul 2020 |