Oil recovery fishing tool
The utility model provides an oil recovery fishing tool, including vertical support frame, the articulated one end of connecting four at least bracing pieces in upper portion of support frame, the other end difference fixed mounting gyro wheel of bracing piece, the lateral surface difference fixed m...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model provides an oil recovery fishing tool, including vertical support frame, the articulated one end of connecting four at least bracing pieces in upper portion of support frame, the other end difference fixed mounting gyro wheel of bracing piece, the lateral surface difference fixed mounting several hook of bracing piece, the articulated tip of connecting the movable rod of first cylinder in inboard middle part of bracing piece, the tip fixed connection support frame of the dead lever of first cylinder, the bottom of support frame fixed connection screen cloth, the screen cloth is the toper structure, the solid fixed ring's of upper portion fixed connection of screen cloth the outside. The utility model discloses during the use, all cylinders are all at the contraction state, stretch into the oil well with the support frame after, first cylinder is opened, makes gyro wheel and the cooperation of the oil well wall of a well, opening the second cylinder, making the arc stretch out, upwards mentio |
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