Resumen
This invention involves a kind of section insulator used for rigid contact system with double function, the function that this section insulator has the regular section insulator also has a function of the neutral section insulator, this kind of structure makes it guarantee the mechanically connecting of the smooth passage of the pantograph, reduced the requirement regulated and safeguarded at the same time. The stated insulator mainly includes: Passage (2) of a pair of conductor rails; A centre boots lump (1) put between two conductor rail passages, the stated boots lump is inclined relative to direction of the contact system to put; The wire (9) of a pair of electric spark, the electric field is cut off here; And locate a plurality of bonding strip (8)s on the stated centre boots lump (1), its aerial cable with extending from the stated bonding strip to the passage (2) of conductor rail is combined, when needing to keep supplying power to the pantograph, bridge the electrical conductive wire (3) of the insulator.