| 摘要 |
<p>Water circulation cooling automobile brake drum,the drum body(1) has a rotary circulating water delivery device (8) and a water circulating space (2) connected with a pair of water inlet and outlet (6, 11) of the rotary circulating water delivery device (8) by pipelines. Another pair of water inlet and outlet (7, 10) of the rotary circulating water delivery device (8) are connected with a circulating cooling water tank (13) by pipelines. The water circulating space (2) is provided on the side wall of the brake drum body. The rotary circulating water delivery device (8) has an inner sleeve (14) and an outer seat (15), sealing rings (12) or bearings are provided between the inner sleeve (14) and the outer seat (15). Bolt connecting holes are formed on the outer seat and a bottom part of the braking drum.</p> |
