CN2033853U - Cable arranging device for testing under the winch of steel wire testing well - Google Patents

Abstract

The utility model provides a downhole-testing rope guide which is suitable for various operation of the downhole well-logging engineering of the gas field. The downhole-testing rope guide makes use of the horizontal component force generated by the pulling force of the wire to drive the rolling rope-guiding seat to move along the rectangular limiting guide rail, and the rolling rope-guiding seat is stochastically synchronous with the wire on a roller. A stroke controlling screw ensures the accurate position of the rolling rope-guiding seat in the right commutation and the left commutation. A flexible press-line wheel and a concave block-line plate respectively block the wire in the wheel groove of the depth dose from the top and bottom directions and the front and the back directions, and the wire can not jump out the wheel groove of the depth dose. A set of manual rope guides is added according to the requirement of the operating condition. The utility model has the advantages of low cost, less noise, safe operation and great operating performance.

Description

Cable arranging device for testing under the winch of steel wire testing well

The utility model relates to a kind of steel wire well testing Winch Wire Rope Ranging Device that is used for the oil gas field downhole testing.

Existing steel wire well testing winch downhole testing rope guide is made up of the positive and negative leading screw of cylinder casing, cylinder, support, guide shaft, depth dose wheel, retaining rod, depth measurement counter, soft power transmission shaft, gear reduction group, the row's of slip rope seat and a secondary t=36mm.Its workflow is: when carrying out the downhole testing operation, the transmission of power of well testing truck dynamical system is given the train of reduction gears of rope guide, the two pairs of train of reduction gears that link drive cylinder respectively and positive and negative leading screw rotates simultaneously, and the slip row rope seat that is associated in positive and negative leading screw is synchronized with the movement with the steel wire on the cylinder.With rope footpath is that the steel wire of φ 2mm is an example, the rotating ratio of cylinder and positive and negative leading screw is 18:1, promptly when cylinder forward or reverse one changes, positive and negative leading screw is forward or reverse 1/18 commentaries on classics thereupon also, arrange rope seat slippage 2mm to the left or to the right with the slip that positive and negative leading screw is associated in, be synchronized with the movement with the steel wire on realization and the cylinder.Because the motion of the row's of slip rope seat relies on a card arc that has radian of the row of slip rope seat bottom to be stuck on the positive and negative leading screw, drive the row's of slip rope seat by the card arc when positive and negative leading screw rotates and on guide shaft, slide, positive and negative threads of lead screw bottom is easy to wear; Add that assembling the time is difficult to guarantee the exact position the when row of slip rope commutates in the cylinder both sides, when reclaiming steel wire, often cause steel wire misaligned and form and laminate and misplace on cylinder, be difficult to realize the purpose that steel wire and the row of slip rope seat on the cylinder are synchronized with the movement.When cylinder is transferred steel wire,, must labor strength be increased with artificial pulling cylinder because the frictional resistance of the frictional resistance of train of reduction gears and the row's of slip rope seat causes cylinder to transfer difficulty; As transferring with power, again certainly will many oil consumptions material.For preventing steel wire job-hopping in the depth dose race, at the depth dose wheel metal fabric wheel is housed up and down, when cylinder rotates, metal fabric wheel and the interior steel wire mutual friction mutually of depth dose race, not only work noise is big, but also easily quickens the wearing and tearing of steel wire.In addition, when using the steel wire in different ropes footpath instead, for satisfy on the cylinder steel wire and the row of slip rope seat synchronously, must change train of reduction gears, so both time-consuming, correspondingly again to increase cost of production.Particularly be unkitted retaining rope device before and after the depth dose wheel, when steel wire in dislocation greatly, when especially tensile load is big, is very easily cut off and caused the fall serious accident of well of instrument at depth dose wheel edge.

Task of the present utility model provides a kind of new steel wire well testing winch downhole testing rope guide, makes it to avoid effectively the deficiencies in the prior art.

The utility model is achieved in that for the row's of making rope seat and steel wire on the cylinder are synchronized with the movement, and adopted rectangle limit guide rail and the row's of rolling rope.Four rolling bearings are arranged at the row of rolling rope seat bottom, during row's rope, the bearing of the row's of rolling rope seat rolls on two parallel orbits of rectangle limit guide rail, reduced frictional resistance widely, under the small horizontal component that steel wire pulling force produces drove, the row's of rolling rope seat can be realized being synchronized with the movement with the steel wire on the cylinder; Stroke regulating screw is equipped with at rectangle limit guide rail two ends in exact position when guaranteeing commutation about the row's of rolling rope seat, can require to adjust stroke regulating screw length according to debugging, when making commutation about the row's of rolling rope seat all the time with cylinder on steel wire keep synchronously; For preventing that steel wire is sheared at depth dose wheel edge, distance between depth dose wheel and the cylinder is elongated, be not more than 5 ° with the motion bit angular difference between the steel wire on the assurance cylinder and the row's of the rolling rope seat, and on the retaining rod of symmetry before and after the depth dose wheel, adorn a spill wire-blocking board respectively, make by the steel wire of depth dose wheel and can not take turns EDGE CONTACT with depth dose; Adopt nonmetallic flexible fabric wheel at depth dose wheel upper and lower, with wearing and tearing and the operating noise that reduces steel wire.In addition, consider when reclaiming steel wire, realize well being synchronized with the movement with the steel wire on the cylinder, the manual silenet chain row of cover rope system also has been installed in order to make the row's of rolling rope seat.Connect with chain interlock screw between this system and the row's of the rolling rope seat, when cylinder is transferred steel wire, for the row's of rolling rope seat resistance of motion on the rectangle limit guide rail is reduced, can throw off chain interlock screw, making the row of rolling restrict seat just can be along the side-to-side movement of rectangle limit guide rail under the small horizontal component that steel wire produces drives.When carrying steel wire on the cylinder, be synchronized with the movement in order to guarantee the row's of the rolling rope seat and the steel wire of cylinder, the screw that chain can be linked is associated in chain row rope system and the row's of rolling rope seat together.In case of necessity, shake the handle of chain row rope system, make chain drive the row's of rolling rope seat and be synchronized with the movement with steel wire on the cylinder.When using the steel wire in the different footpaths of restricting instead, only need the shell of corresponding replacing depth dose wheel, at this moment, the depth measurement counter of having specified speed ratio just can calculate the discrepancy well depth automatically to the steel wire in difference rope footpath.The utlity model has characteristics such as cost is lower, the operating mode noise is little, handling safety is reliable, service behaviour is good.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is a steel wire well testing winch downhole testing rope guide schematic diagram.

Below in conjunction with the performance of accompanying drawing detailed description according to the rope guide that the utility model proposes.

Cantilever support ［ 14 ］ is connected on the cylinder casing ［ 1 ］, rectangle limit guide rail ［ 10 ］ is fixed on the outer end of cantilever support ［ 14 ］, rope retaining rod ［ 15 ］ joins together with cylinder row's rope seat ［ 8 ］, when cylinder ［ 2 ］ rotates, the downhole instrument that steel wire on the cylinder ［ 2 ］ hangs, the horizontal component that gravity produced of instrument acts on the rope retaining rod ［ 15 ］, rope retaining rod ［ 15 ］ just drives the row's of rolling rope seat ［ 8 ］, roll four rolling bearings of row's rope seat ［ 8 ］ bottom along two parallel orbit left and right horizontal motions of rectangle limit guide rail ［ 10 ］, steel wire by being fixed on the depth dose wheel ［ 16 ］ on the row's of rolling rope seat ［ 8 ］ and the steel wire on the cylinder ［ 2 ］ are synchronized with the movement.Rope retaining rod ［ 15 ］ guarantees that depth dose is taken turns the interior steel wire of ［ 16 ］ groove and the angle between the steel wire on the cylinder ［ 2 ］ is not more than 5 °, is sheared at depth dose wheel ［ 16 ］ edge to prevent steel wire.The row's rope seat ［ 8 ］ that rolls is regulated by stroke regulating screw ［ 7 ］ with the contraposition that is synchronized with the movement that cylinder ［ 2 ］ is gone up steel wire, the exact position when guaranteeing commutation about the row's of rolling rope seat ［ 8 ］.Flexible fabric wheel ［ 17 ］, matrix wire-blocking board ［ 18 ］ respectively from about, the front and back four direction steel wire in depth dose wheel ［ 16 ］ groove is carried out spacing, to prevent the steel wire job-hopping.When using difference rope wire-diameter steel instead, the shell that only need change depth dose wheel ［ 16 ］ gets final product.Cylinder ［ 2 ］ in order to reduce the resistance of motion of the row's of rolling rope seat ［ 8 ］, can be thrown off the chain interlock screw ［ 9 ］ that connects manual chain row rope system and the row's of rolling rope seat ［ 8 ］ when transferring steel wire; When carrying steel wire on the cylinder ［ 2 ］, the position is accurate when commutating about the row's of rolling rope seat ［ 8 ］ in order to make, be synchronized with the movement with the steel wire on assurance and the cylinder ［ 2 ］, the screw ［ 9 ］ that again chain linked screws in, and makes chain ［ 6 ］ arrange restrict ［ 8 ］ with rolling and is associated in.At this moment, shake handle ［ 11 ］, rotate by link supporting ［ 12 ］ and connecting rod ［ 13 ］ drive sprocket ［ 5 ］, chain ［ 6 ］ just drives the row's of rolling rope seat ［ 8 ］, make the row's of rolling rope seat ［ 8 ］ about when commutating and the steel wire on the cylinder ［ 2 ］ remain and be synchronized with the movement.

For the ease of understanding the workflow of this rope guide, special to some do not mention in an embodiment but remark additionally for understanding the helpful unit number in addition of rope guide workflow.

［ 3 ］ expression depth measurement counter, ［ 4 ］ represent soft turning cylinder.

Claims (1)

1, a kind of steel wire well testing Winch Wire Rope Ranging Device that is used for the oil gas field downhole testing, it is by cylinder casing [1], cylinder [2], depth measurement counter [3], soft power transmission shaft [4], rope retaining rod [15], depth dose wheel [16] is formed, it is characterized in that it also comprises and the joining cantilever support of cylinder casing [1] [14], be fixed on the rectangle limit guide rail [10] of cantilever support [14] outer end, be installed in the stroke regulating screw [7] at rectangle limit guide rail [10] two ends, the rolling row's rope seat [8] that rolls along two parallel orbits of rectangle limit guide rail [10], be fixed on the depth dose wheel [16], the flexible fabric wheel [17] of below, be installed in and the spill wire-blocking board [18] on symmetry rope retaining rod [15] top, front and back that the row's of rolling rope seat [8] is bound up, in addition, it is also with a cover hand chain wheel row rope system, this system is fixed on the place ahead of cylinder casing [1], by four sprocket wheels [5], chain [6], chain interlock screw [9], handle [11], link supporting [12], connecting rod [13] is formed, chain [6] is around rectangle limit guide rail [10], the chain interlock screw [9] that joins together with chain [6] can screw in the positioning screw hole that rope seat [8] is arranged in rolling, connecting rod [13] is supported by link supporting [12], its end and handle [11] connect, and the endoporus of the other end and a sprocket wheel [5] connects.