CN208169433U - A kind of wire rope torque releasing-joint - Google Patents

Abstract

The utility model relates to a kind of wire rope torque releasing-joints.The utility model wire rope torque releasing-joint includes shell, the shaft for discharging torque on wirerope is rotatably equipped on the shell, wire rope torque releasing-joint further includes the cord-fixing structure for connecting with wirerope, the shaft and/or shell are equipped with the wirerope access hole for penetrating and being pierced by for wirerope, and the cord-fixing structure is formed by the wirerope access hole.The utility model sets cord-fixing structure to the wirerope access hole in shaft, cord-fixing structure when shaft rotation is avoided to rotate with, torsional release device does not need to be threadedly coupled with cord-fixing structure, and the threaded connection place for avoiding torque releasing apparatus loosens, tool falls the safety accidents such as well.

Description

A kind of wire rope torque releasing-joint

Technical field

The utility model relates to a kind of wire rope torque releasing-joints.

Background technique

Wirerope be a kind of intensity it is high, from heavy and light, be not easy the whole flexure member to fracture suddenly, because its stable working can It leans on, as a kind of supporting tool, is widely used in the workover treatments such as oilfield well testing job execution and soft drifting, soft salvaging and applies In work.Well testing is to study oil field geologic and oil well engineering problem by data such as formation testing pressure, temperature and changes in flow rate A kind of method.As oil field is continually developed, oil-water well is in self-spray, oil pumping or water filling gas injection process since various factors can be sent out Raw failure replaces underground equipment, adjusts the parameter of well, could restore normal at this point, only being debugged by workover treatment Production.

Either in the work progress of well testing operation or workover treatment, it is required enter well casing column and enter well tool all and be by Wirerope connection, since wirerope is that disk is located on capstan winch or roller, so wirerope with enter well tool enter well or Rotation torque can be generated during rising, and the release of rotation torque enters well casing column and mating for drive the connection of wirerope lower end Enter the rotation of well tool, easily cause into-well pipe and enter well tool and fall well because of rotation, while wirerope occurs rotation for a long time and shows As will cause wirerope pine stock, influencing its service life.

Authorization Notice No. is CN102297241B, and authorized announcement date is that the Chinese patent of 2013.01.16 discloses a kind of steel The anti-torsion connection device of cord, which includes the wire rope fixing device and intermediate torsional release device at both ends, described Fixed device of restricting is made of threaded sleeve, dovetail groove, U-shaped card, briquetting and locking nut；The torque releasing apparatus by end cap, Gasket, shell, shaft and bearing are formed.The anti-torsion connection device connecting steel wire ropes, avoid wirerope and cause because of overturning Security risk, while may be implemented to old rope and newly to restrict is quickly connected and fixed, and by torsional release device middle (center) bearing It is freely rotated, avoids new rope because of the torsion of old rope and aggravate the abrasion newly restricted, improve the service life and safety of wirerope Property.But the both ends wire rope fixing device of the anti-torsion connection device of steel wire rope of this structure is that torsion is fixed on by threaded connection Turn in release device, when shaft and shell rotate, phase can may also occur for the fixed device of the rope being screwed onto shaft Pair rotation, cause screw thread to loosen, the tool connected on a steel cord is fallen, and causes safety accident.

Utility model content

The purpose of this utility model is to provide a kind of wire rope torque releasing-joints, to solve steel wire in the prior art Rope anti-rotation lock fixed device of rope during torque on discharging wirerope is easy the problem of loosening.

To achieve the above object, the utility model wire rope torque releasing-joint includes shell, and dress is rotated on the shell Equipped with the shaft for discharging torque on wirerope, wire rope torque releasing-joint further includes that the rope for connecting with wirerope is solid Determine structure, the shaft and/or shell are equipped with the wirerope access hole for penetrating and being pierced by for wirerope, the cord-fixing structure It is to be formed by the wirerope access hole.

Cord-fixing structure is set the wirerope access hole in shaft by the utility model, avoids when shaft rotates It waits cord-fixing structure to rotate with, torsional release device does not need to be threadedly coupled with cord-fixing structure, avoids torque release dress The threaded connection place set loosens, tool falls the safety accidents such as well.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the shaft is hollow shaft, institute The lower end for stating hollow shaft has cylinder bottom, and the wirerope access hole is arranged at cylinder bottom.So, the self weight of shaft is alleviated, It is easier to realize the process of connector rotation release torque, the processing of hollow shaft is more convenient, and wirerope is easy to wear Enter, be pierced by wirerope access hole, and the anchor tip of wirerope can be arranged in the cavity of hollow shaft.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the wirerope in the shaft goes out Enter hole there are two more than.So, making wirerope at least has one outlet and an import.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the shaft is rotated by bearing It is assemblied on shell, the one end at the separate cylinder bottom of the shell is equipped with the clamp sleeve for compressing bearing.So, it compresses Shaft can be axially fixed in shell by axle sleeve by bearing, and the rotation of shaft may be implemented.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the clamp sleeve and shaft it Between be additionally provided with alignment bearing.So shaft can be made to be always maintained at the rotation coaxial with shell, wire rope torque release Process is more steady, adds somewhat to the safety of this connector.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the top of the clamp sleeve is high In the top of shaft.So, shaft will not generate interference to other working portions except clamp sleeve.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the separate shell of the clamp sleeve One end of body is equipped with the external screw thread for connection.So can on this connector connection operation equipment.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the clamp sleeve and bearing it Between be additionally provided with pressure ring.So make turn axial limit effect more preferable.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the close cylinder bottom of the shell One end is equipped with the connection sleeve for being connected with power tool, and the connection sleeve is fixedly connected on shell or connector sleeve Cylinder is integrated with shell setting.So the utility model wirerope twisting joint can be connected in operating equipment.

As the further improvement of the above-mentioned wire rope torque releasing-joint of the utility model, the separate set of the connection sleeve One end of cylinder is equipped with the external screw thread for connection.It is that can according to need at any time because threaded connection installation is more convenient in this way Disassembly.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the embodiment 1 of the utility model wire rope torque releasing-joint；

Fig. 2 is the schematic diagram that wire rope torque releasing-joint shown in FIG. 1 is connect with wirerope；

Fig. 3 is the structural schematic diagram of the embodiment 2 of the utility model wire rope torque releasing-joint；

Fig. 4 is the structural schematic diagram of the embodiment 3 of the utility model wire rope torque releasing-joint；

Fig. 5 is the structural schematic diagram of the embodiment 4 of the utility model wire rope torque releasing-joint；

Fig. 6 is the structural schematic diagram of the embodiment 5 of the utility model wire rope torque releasing-joint；

Fig. 7 is the structural schematic diagram of the embodiment 6 of the utility model wire rope torque releasing-joint.

Description of symbols：1. clamp sleeve；2. alignment bearing；3. axle sleeve；4. bearing pressure ring；Loading bearing on 5.；6. The shaft shoulder；7. lower loading bearing；Stop ring in 8.；9. shaft；10. wirerope access hole；11. connecting sleeve；12. Hexagon hole； 13. wirerope.

Specific embodiment

The embodiments of the present invention is described further with reference to the accompanying drawing.

The specific embodiment 1 of the wire rope torque releasing-joint of the utility model, as depicted in figs. 1 and 2, the wirerope are turned round Square releasing-joint includes the shaft 9 for driving wirerope 13 to rotate, and further includes the shell being set in outside shaft 9, shaft 9 and shell Bearing is connected between body.

Above-mentioned shaft 9 is the hollow shaft of cup-shaped structure, and cup-shaped structure has for the axial skirt for engaging shaft 9, axis Line position is the inner cavity for passing through wirerope 13, and the lower end of cavity has cylinder bottom, and cylinder bottom is the bottom of a cup of above-mentioned cup-shaped structure, Plane where cylinder bottom is vertical with the axis of shaft 9, and cylinder bottom is equipped with more than two steel wires for penetrating and being pierced by for wirerope 13 Rope access hole 10.The two sides of the shaft shoulder 6 of shaft 9 are respectively equipped with loading bearing 5 and lower loading bearing 7, upper loading bearing 5 it is upper Side is additionally provided with bearing pressure ring 4.

Above-mentioned shell is the axle sleeve 3 for being set in shaft 9, and the inside of the axle sleeve 3 is equipped with for limiting lower loading bearing 7 Position simultaneously engages the interior stop ring 8 of shaft 9 in axial direction.The both ends of axle sleeve 3 are equipped with internal screw thread.The upper end, which has been connected through a screw thread, to be used for The clamp sleeve 1 that shaft 9 is compressed, lower end be connected through a screw thread for enter well conduit or enter the connector sleeve that well tool connects Cylinder 11.Clamp sleeve 1 and connection sleeve 11 are that both ends have externally threaded sleeve, and the lower end of connection sleeve 11 has interior hexagonal Hole 12；The upper end of clamp sleeve 1 has Hexagon hole 12, and the inside of lower end also has limited step.Hexagon hole 12 to grasp Clamp sleeve 1 and connection sleeve 11 can be blocked by making tool, by its rotational fastener on axle sleeve 3.Outside the lower end of clamp sleeve 1 Screw thread is connected with the threaded hole of 3 upper end of axle sleeve, and the external screw thread for connecting the upper end of sleeve 11 is connect with the threaded hole of 3 lower end of axle sleeve.

The assembling steps of the wire rope torque releasing-joint of the utility model are as follows, are first placed into lower loading bearing 7 At the interior stop ring 8 of axle sleeve 3, shaft 9 is set in the inner hole that shaft 9 is passed through to lower loading bearing 7, then by upper loading bearing 5 On, it is bonded the inner ring of loading bearing 5 with the shaft shoulder 6, then bearing pressure ring 4 is set on upper loading bearing 5, wirerope is turned round The shaft 9 and axle sleeve 3 of square releasing-joint can not relatively move in the axial direction.Then it is set in the top of bearing pressure ring 4 Alignment bearing 2 is set, 2 inner ring of alignment bearing is connected in shaft 9, and outer ring is connected in the limited step of the downside of clamp sleeve 1, Shaft 9 can be pressed against the rotation of sleeve 1, and clamp sleeve 1 is screwed into the threaded hole of 3 upper end of axle sleeve with allen wrench, It reuses allen wrench and is screwed into sleeve 11 is connected in the threaded hole of 3 lower end of axle sleeve.

When carrying out workover treatment using the utility model wire rope torque releasing-joint, wirerope 13 is each passed through shaft 9 Cylinder bottom on two wirerope access holes 10, connection sleeve 11 enters well casing column and/or to enter well tool and connect with matched, winding The wirerope 13 on roller enter well and rise during can generate rotation torque, can by upper loading bearing 5, under hold The rotation of bearing 7 and alignment bearing 2 is carried, drives shaft 9 to rotate in the cavity of axle sleeve 3, above-mentioned rotation torque is released, Thus reduce and be even that of avoiding wirerope 13 and hang oneself the rotation for entering well casing column and/or enter well tool connect, and shaft 9 with When relative rotation occurs for axle sleeve 3, shell and clamp sleeve 1 and connect sleeve 11 and will not relatively rotate, effectively prevent because The tool for loosening and generating falls well accident.

The specific embodiment 2 of the utility model wire rope torque releasing-joint, as shown in figure 3, existing with the difference of embodiment 1 In clamp sleeve 1 is set up directly on bearing pressure ring 4, eliminates the use of alignment bearing 2 at this time.

The specific embodiment 3 of the utility model wire rope torque releasing-joint, as shown in figure 4, existing with the difference of embodiment 1 In shaft 9 has two through-holes being arranged along its axisymmetrical, and the through-hole is wirerope access hole 10.

The specific embodiment 4 of the utility model wire rope torque releasing-joint, as shown in figure 5, existing with the difference of embodiment 1 In the cylinder bottom of shaft 9 is arc.

The specific embodiment 5 of the utility model wire rope torque releasing-joint, as shown in fig. 6, existing with the difference of embodiment 1 In the wirerope access hole 10 is formed by the axis and axis that pass through shaft 9 through-hole vertical with the rotary shaft of shaft 9.

The specific embodiment 6 of the utility model wire rope torque releasing-joint, as shown in fig. 7, existing with the difference of embodiment 1 In the axle sleeve 3 is equipped with the wirerope access hole 10 for steel wire penetrating.

In the other embodiments of the utility model wire rope torque releasing-joint, connection sleeve be can be and axle sleeve one Structure.

In the other embodiments of the utility model wire rope torque releasing-joint, wirerope access hole is arranged on shell, Shaft is used to connect with the workpiece of other working portions.

Clamping in the other embodiments of the utility model wire rope torque releasing-joint, on clamp sleeve and connection sleeve Portion is formed by milling out two symmetrical planes on the excircle of clamp sleeve and connection sleeve.

Clamping in the other embodiments of the utility model wire rope torque releasing-joint, on clamp sleeve and connection sleeve Portion is formed by the hole of square section.

Claims (10)

1. a kind of wire rope torque releasing-joint, including shell, it is rotatably equipped on the shell and is turned round on wirerope for discharging The shaft of square, wire rope torque releasing-joint further include the cord-fixing structure for connecting with wirerope, it is characterised in that：It is described Shaft and/or shell are equipped with the wirerope access hole for penetrating and being pierced by for wirerope, and the cord-fixing structure is by the steel Cord access hole is formed.

2. wire rope torque releasing-joint according to claim 1, it is characterised in that：The shaft is hollow shaft, described The lower end of hollow shaft has cylinder bottom, and the wirerope access hole is arranged at cylinder bottom.

3. wire rope torque releasing-joint according to claim 1 or 2, it is characterised in that：Wirerope in the shaft Access hole is there are two more than.

4. wire rope torque releasing-joint according to claim 3, it is characterised in that：The shaft is rotated by bearing and is filled It fits on shell, the one end at the separate cylinder bottom of the shell is equipped with the clamp sleeve for compressing bearing.

5. wire rope torque releasing-joint according to claim 4, it is characterised in that：Between the clamp sleeve and shaft It is additionally provided with alignment bearing.

6. wire rope torque releasing-joint according to claim 4 or 5, it is characterised in that：The top of the clamp sleeve Higher than the top of shaft.

7. wire rope torque releasing-joint according to claim 4 or 5, it is characterised in that：The clamp sleeve it is separate One end of shell is equipped with the external screw thread for connection.

8. wire rope torque releasing-joint according to claim 4 or 5, it is characterised in that：The clamp sleeve and bearing Between be additionally provided with pressure ring.

9. wire rope torque releasing-joint according to claim 5, it is characterised in that：The one of the close cylinder bottom of the shell End is equipped with the connection sleeve for being connected with power tool, and the connection sleeve is fixedly connected on shell, or connection sleeve It is integrated with shell setting.

10. wire rope torque releasing-joint according to claim 9, it is characterised in that：The separate set of the connection sleeve One end of cylinder is equipped with the external screw thread for connection.