| 摘要 |
A texturing broom apparatus for surface grooving freshly laid uncured concrete pavement comprising a traveling horizontal endless conveyor belt having a texturing broom, provided with a row of straight spring steel tines projecting from a base board in spaced apart side-by-side parallel relation, pivotally mounted on the conveyor belt for pivotal movement thereon in a vertical plane parallel to the direction of belt travel with the row of tines extending transversely across and outwardly from the belt and the tines disposed parallel to the longitudinal vertical plane of the belt. Spring means biases the pivoted broom forwardly of the direction of belt travel to a limiting idle position and the broom is supported on the belt in a position with its tines in a trailing working position disposed above and at a shallow working angle of less than about 20 DEG to the pavement surface, during the travel of the broom along the lower run of the belt, and with the free ends of the tines spring-pressed into engagement with the surface of the uncured pavement to form the texturing grooves therein during the traverse of the broom thereacross. The tines of the texturing broom are clamped at one end to the broom base board by a metal strap extending transversely across the tine ends and secured to the base board by fastening screws on each side of each of the tines, and the spaces between the metal strap and base board at the gaps between the adjacent tines are filled with an epoxy adhesive.
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