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Locking and fastening type sucker rod anti-falling device

A sucker rod and tightening technology, applied in the field of locking and tightening sucker rod release preventers, can solve the problems of mutual tripping, bending, twisting, inconvenient connection of sucker rod joints, etc.

Inactive Publication Date: 2021-08-31
JIANGSU LIKE GASOLINEEUM MACHINERY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The sucker rod is the power transmission component of the oil pump in the pumping well. Several sucker rods are connected to each other from the ground to the downhole. During the working process of the sucker rods, the slender sucker rods are formed by screwing each other Bending and twisting will inevitably occur in the components, which will form the rotational torque between the sucker rods, which will easily cause the screwing of the sucker rods that are connected to each other to loosen and cause mutual tripping. In addition, the existing oil pumping The connection of the rod joint is inconvenient and the operation is cumbersome, so it is necessary to develop a locking and fastening sucker rod detachment device with stable connection and convenient operation, and it is necessary to ensure the stability of the structure

Method used

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  • Locking and fastening type sucker rod anti-falling device
  • Locking and fastening type sucker rod anti-falling device
  • Locking and fastening type sucker rod anti-falling device

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Embodiment Construction

[0021] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 7 As shown, a locking and fastening sucker rod detachment device includes an upper connector 1, a lower connector 2, a pressing mechanism 3, and a locking and fastening mechanism 4; the lower end of the upper connector 1 is provided with internal A threaded ring body 11; an external threaded ring body 21 is provided around the upper end of the lower connector 2; an annular pressing groove 22 is provided around the lower end of the external threaded ring body 21; the pressing mechanism 3 includes a driving ring Column 31, radial floating block 32, piercing cross bar 33, moving longitudinal bar 34, pressing bar 35, elastic pressing member 36; the surroundings of the upper connecting head 1 and its lower end internally threaded ring body 11 are evenly provided with A plurality of radial floating grooves 12; the inner sid...

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Abstract

The invention discloses a locking and fastening type sucker rod anti-falling device. The locking and fastening type sucker rod anti-falling device comprises locking and fastening mechanisms. According to the anti-falling device, the locking and fastening mechanisms are additionally arranged, clamping plates are installed at the upper ends of penetrating cross rods, the clamping plates are clamped to clamping channels in a sliding mode, threaded columns are installed at the upper ends of the clamping plates and located in driving channels, floating nuts are rotationally connected to the threaded columns in a threaded mode, and the peripheries of the lower ends of the floating nuts are connected with abutting fastening rings, such that the abutting fastening rings are connected to the lower sides of the driving channels in an abutting or separating mode through rotation of the floating nuts, radial limiting of movable longitudinal rods is achieved, and locking of a lower connector is achieved.

Description

technical field [0001] The invention relates to a locking and fastening type sucker rod detachment preventer. Background technique [0002] The sucker rod is the power transmission component of the oil pump in the pumping well. Several sucker rods are connected to each other from the ground to the downhole. During the working process of the sucker rods, the slender sucker rods are formed by screwing each other Bending and twisting will inevitably occur in the components, which will form the rotational torque between the sucker rods, which will easily cause the screwing of the sucker rods that are connected to each other to loosen and cause mutual tripping. In addition, the existing oil pumping The connection of the rod joint is inconvenient and the operation is cumbersome. Therefore, it is necessary to develop a locking and fastening sucker rod detachment preventer with stable connection and convenient operation, and it is necessary to ensure the stability of the structure. ...

Claims

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Application Information

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IPC IPC(8): E21B17/043E21B41/00
CPCE21B17/043E21B41/00
Inventor 王昌彬吴小娟
Owner JIANGSU LIKE GASOLINEEUM MACHINERY
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