Coal seam gas well drags for buggy device

The utility model relates to a workover device that the coal seam gas well was used, specifically speaking are coal seam gas well drags for buggy device. Including the actuating lever, store up a powder section of thick bamboo, go up screw means, locator sub, a valve sea, the ring valve, lower screw means and sleeve, in the disk seat is packed into from the lower part of disk seat to its zhonghuan valve, and sealed cooperation, the through -hole that the upper end of ring valve was equipped with on by the disk seat is worn out, and be connected with locator sub's lower extreme, locator sub's upper end is connected with last screw means's lower extreme, go up screw means's upper end and connect the actuating lever, the lower extreme and the lower screw means of ring valve are connected, a storage powder section of thick bamboo is connected to the upper end of disk seat, go up screw means and locator sub holding in storing up a powder section of thick bamboo, the lower extreme connecting sleeve of disk seat, the screw means holding is in the sleeve down. The utility model discloses simple structure can drive the buggy in coal bed gas shaft bottom totally, makes the coal seam gas well normally produce gas.