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Integrally reinforced dead rope fixer

A fixer and dead line technology, applied in drilling equipment, earth-moving drilling, drill pipe, etc., can solve the problems of dead line fixer sheave, sensor arm with complex shape, increase in manufacturing cost, etc., to optimize size, improve Safety factor, the effect of reducing the maximum equivalent stress

Pending Publication Date: 2021-03-19
YANGTZE UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The shape of the parts such as the dead rope fixer sheave and the sensor arm of this model is relatively complicated. Generally, the manufacturer adopts integral casting, which causes casting defects to varying degrees in the casting.
Elimination of casting defects can significantly increase manufacturing costs

Method used

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  • Integrally reinforced dead rope fixer
  • Integrally reinforced dead rope fixer

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] This embodiment provides an enhanced dead-rope fixer, the thickness of the rib plate of the sheave, the thickness of the wall of the sheave, the transition fillet radius of the sensor support arm and the thickness of the sensor support arm are shown in Table 1.

[0020] Parts dimensions of Table 1 Embodiment 1

[0021] Parts Size / mm Sheave rib thickness 25 Sheave wall thickness 40 Sensor Arm Transition Fillet Radius 120 Sensor Arm Thickness 40

Embodiment 2

[0023] This embodiment provides an enhanced dead-rope fixer, the thickness of the rib plate of the sheave, the thickness of the wall of the sheave, the transition fillet radius of the sensor support arm and the thickness of the sensor support arm are shown in Table 2.

[0024] Parts size of table 2 embodiment 2

[0025] Parts Size / mm Sheave rib thickness 30 Sheave wall thickness 44 Sensor Arm Transition Fillet Radius 120 Sensor Arm Thickness 45

Embodiment 3

[0027] This embodiment provides an enhanced dead-rope fixer, the thickness of the rib plate of the sheave, the thickness of the wall of the sheave, the transition fillet radius of the sensor support arm and the thickness of the sensor support arm are shown in Table 3.

[0028] Parts size of table 3 embodiment 3

[0029] Parts Size / mm Sheave rib thickness 35 Sheave wall thickness 50 Sensor Arm Transition Fillet Radius 120 Sensor Arm Thickness 50

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Abstract

The invention provides an integrally reinforced dead rope fixer which comprises a rope wheel, a sensor support arm, a rope clamp support arm, a lug block and a wheel core, the wheel core is arranged in the center of the rope wheel, a plurality of rib plates are uniformly arranged in the circumferential direction of the wheel core, the wheel core is fixedly connected to the inner wall of the rope wheel through the rib plates, and the rope clamp support arm is arranged on one side of the rope wheel. A sensor support arm is arranged on the other side. The thickness of the rope sheave rib plate is25-35 mm, the thickness of the rope sheave wall is 40-50 mm, the radius of a transition fillet of the sensor support arm is 120-140 mm, the thickness of the sensor support arm is 40-50 mm, and the maximum equivalent stress of the dead rope fixator is within 229.15 MPa. The maximum equivalent stress of the dead rope fixer is effectively reduced, and the safety coefficient is improved.

Description

technical field [0001] The invention relates to the technical field of petroleum drilling tools, in particular to an integrally reinforced dead-rope fixer. Background technique [0002] The dead line fixer is installed on the inside of the derrick or at the corresponding position of the drill floor structure, and is used to fix the dead line end of the large drilling line. In addition, it can also measure the pull force of the dead line and monitor the drilling pressure in real time. It can also play a guiding role when drilling and changing the line. It is a very critical equipment in the drilling hoisting system. [0003] figure 1 It is a JZG18 type dead rope fixer, including a rope wheel, a sensor support arm, a rope clamp support arm, ear pieces and a wheel core. The center of the sheave is provided with a wheel core, and several ribs are uniformly arranged on the circumference of the wheel core, and the ribs fix the wheel core to the inner wall of the sheave. One sid...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B19/12
CPCE21B19/12
Inventor 易先中张仕帆侯松刘航铭贺育贤葛先驰杨泽红彭紫俊
Owner YANGTZE UNIVERSITY
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