Bush extractor

Abstract

The utility model provides a bush extractor, which belongs to the field of bush removal tools for belt pumping units and comprises a sliding rod, the front end of the sliding rod forms an output end acting on an adaptive bush, a stop block is arranged at the front end of the sliding rod and is provided with a stop portion with the largest size in the radial direction of the sliding rod, and the stop portion is provided with a stop groove. The size is not larger than the maximum radial size of an inner hole of the adaptive bush and is larger than the minimum radial size of the inner hole of the adaptive bush, and the radial size of the sliding rod is not larger than the minimum radial size of the adaptive bush. According to the utility model, the stop part can be matched with the end face of the adaptive bushing by changing the turning angle posture of the stop block, and then the adaptive bushing is pulled out from the corresponding bushing hole by applying force to the sliding rod. Due to the fact that the structure matched with the bush is only the check block, the check block only needs to penetrate through the matched bush and rotate by a corresponding angle when the bush extractor is used, and compared with the prior art, the bush extractor has the advantages of being simple in structure and convenient to operate.

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