Abstract
This paper optimizes the design of the clamping device of the carbon fiber sucker rod operating vehicle, aiming to improve the shearing problem when the carbon fiber sucker rod enters the clamping device. The structure of the clamping device is designed; Finite element software was used to simulate the state of the clamping device during actual work, the maximum displacement position of the carbon fiber sucker rod and the stress change curve of the sucker rod in the clamping device are obtained; Reasonably adjust the load distribution of the hydraulic cylinder according to the stress change curve of the sucker rod in the clamping device, so that the sucker rod in the clamping device bears a reasonable stress change, which is beneficial to reduce the shear of the sucker rod just entering the clamping device effect. The analysis shows that in the clamping device, the stress of the sucker rod is the largest when it just enters the clamping device. The load of the three hydraulic cylinders of the moving rail gradually increases from bottom to top, which can make the sucker rod bear the force uniformly and can improve the shear problem when the sucker rod just enters the guide rail.
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