CN209778137U - Drilling big rope threading guider - Google Patents

Abstract

The utility model discloses a big rope wire rope guider of well drilling, including all fixing introducing big end, horizontal guide support, vertical guide support on drilling platform and drawing out big end, the big rope stiff end of well drilling is connected on the rope fixer that dies, and the big rope other end of well drilling passes in proper order introduce big end horizontal guide support with draw out big end, then the winding is on the rope machine cylinder that falls, horizontal guide support with vertical guide support all is equipped with the square frame that passes the big rope of well drilling, square frame is equipped with the support pivot on one side, the big rope of well drilling around connect in the support pivot. The utility model discloses a standardized structure, manufacturing quality and installation accuracy obtain guaranteeing, reduce wire rope handling working strength. The conveying of the drilling big rope is ensured to be smooth, the abrasion is reduced, and the service life of the drilling big rope is prolonged. The operation is simple and convenient, and the working efficiency is improved. The device can be popularized and used in large-rope threading operation of drilling of ocean modular drilling machines and workover rigs.

Description

Drilling big rope threading guider

Technical Field

The utility model relates to a wire rope handling guider, in particular to big wire rope handling guider of well drilling.

background

At present, a drilling big rope is regularly switched or cut according to the specified ton kilometer number of a steel wire rope in the drilling operation process. The common rope threading path on the offshore platform well drilling and repairing machine is a rope reversing machine, a dead rope fixer, a crown block traveling block system and a well drilling winch roller. At present, a drilling big rope threading guide device on a drilling platform surface is usually provided by a derrick manufacturer, but the guide device between a rope reversing machine below the drilling platform surface and a dead rope fixer is not designed and manufactured in a standard way. The patterns are different, the workshop prefabrication cannot be realized, the standardized manufacturing cannot be realized, and the manufacturing quality and the installation precision cannot be guaranteed; the large rope is easy to curl in the dragging process, so that the rope threading efficiency of the large drilling rope is influenced, the surface of the large rope can be damaged irreparably, and the potential safety hazard to the drilling operation is caused. How to complete the rope threading operation quickly and smoothly and reduce the abrasion of the drilling big rope is very important.

disclosure of Invention

The utility model discloses a solve the technical problem that exists among the well-known technology and provide a quick smooth and easy completion wire rope handling operation and reduce the big rope wire rope guider of well drilling's wearing and tearing of well drilling.

The utility model discloses a solve the technical scheme that technical problem that exists among the well-known technique took and be: the utility model provides a big rope reeving guider of well drilling, is including all fixing leading reducer, horizontal guide support, vertical guide support and drawing out reducer on drilling platform, and big rope stiff end of well drilling is connected on the dead rope fixer, and the big rope other end of well drilling passes in proper order lead in reducer horizontal guide support vertical guide support with draw out reducer, then the winding is on the rope reversing machine cylinder, horizontal guide support with vertical guide support all is equipped with the square frame that passes the big rope of well drilling, square frame one side is equipped with the support pivot, the big rope of well drilling around connect in the support pivot.

Furthermore, the middle part of the introduction reducer is a cylindrical pipe, the two end parts of the introduction reducer are truncated cone-shaped pipes connected with the cylindrical pipe, and the inner diameter of the large-diameter end of the truncated cone-shaped pipe at one end of the introduction reducer is larger than that of the large-diameter end of the truncated cone-shaped pipe at the other end of the introduction reducer.

furthermore, the middle part of the lead-out reducer is a cylindrical pipe, the two end parts of the lead-out reducer are truncated cone-shaped pipes connected with the cylindrical pipe, and the inner diameter of the large-diameter end of the truncated cone-shaped pipe at one end of the lead-out reducer is larger than that of the large-diameter end of the truncated cone-shaped pipe at the other end of the lead-out reducer.

Furthermore, the frame bodies on two sides of the support rotating shaft of the square frame are sleeved with round pipes in a rotating mode.

Furthermore, the other three-side frame body except the support rotating shaft of the square frame is a circular tube.

Further, the radial clearance of the circular tube of the frame body and the circular tube sleeved with the circular tube is 1-1.5 mm.

Further, the support rotating shaft comprises a fixed mandrel and a shaft sleeve which is rotatably sleeved outside the fixed mandrel; the fixed mandrel and the shaft sleeve are round pipes.

Further, the radial clearance between the fixed mandrel and the shaft sleeve is 1-1.5 mm.

Furthermore, the center of the support rotating shaft of the transverse guide support is away from the installation height of the support rotating shaft of the transverse guide support and the installation surface fixed with the drilling platform, and the installation height of the support rotating shaft is adjustable.

Furthermore, the installation height of the center of the rotating shaft of the longitudinal guide support from the installation surface fixed with the drilling platform is adjustable.

the utility model has the advantages and positive effects that:

The utility model discloses the wire rope handling guider optimizes, innovative design to the simple and easy guider of tradition, has obvious advantage in three aspects such as manufacturing quality, the big rope protection of well drilling, economic nature.

1. Manufacturing quality: the device meets the workshop prefabrication conditions through standardized design, ensures the welding quality and the manufacturing precision, and prolongs the service life of the guide device;

2. In the aspect of big rope protection: the size of the support can be adjusted according to the structural characteristics of the platform and the arrangement of pipelines, the arrangement of the trend of the large rope is facilitated, the design of adding a sleeve in the passing area of the large rope effectively avoids the abrasion of the steel wire rope and the curling in the dragging process, and the service life of the large drilling rope is prolonged.

3. In the aspect of economy: by adopting the guide device, the rope of the drilling big rope can be smoothly threaded, the manpower input in the rope threading process is reduced, the working strength of operators is reduced, the working time is shortened, the working efficiency is improved, and the labor and time cost are saved for projects.

The utility model discloses the threading guider makes simply, and economic nature is good, and the practicality is strong, can reduce the input of the in-process manpower of threading, has reduced the working strength of threading, effectively avoids the in-process of threading to produce wearing and tearing, has prolonged the life of the big rope of well drilling, and easy and simple to handle, has reduced field operation personnel operating time, has improved work efficiency.

The guide device is experimentally applied in Huizhou 32-5 drilling machine module construction projects, has a good effect, and can be popularized and applied to all marine module drilling machines and workover rig steel wire rope guide devices.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a top view of fig. 1.

FIG. 3 is a schematic structural view of the longitudinal guiding bracket of the present invention;

FIG. 4 is a side view of FIG. 3;

Fig. 5 is a schematic structural view of the lateral guide bracket of the present invention;

FIG. 6 is a bottom view of FIG. 5;

Fig. 7 is a schematic view of the structure of the introduction reducer of the present invention.

In the figure: 1. a rope rewinding machine roller; 2. leading out a reducer; 3. a longitudinal guide support; 4. a drilling platform; 5. a lateral guide bracket; 6. introducing a reducer; 7. a dead line anchor; 8. a bracket rotating shaft; 9. frame bodies on two sides of the support rotating shaft; l1, mounting height of longitudinal guide bracket; l2, mounting height of lateral guide bracket.

Detailed Description

For further understanding of the contents, features and effects of the present invention, the following embodiments are listed and will be described in detail with reference to the accompanying drawings:

Referring to fig. 1 to 7, a drilling big rope reeving guide device comprises a leading-in reducer 6, a transverse guide support 5, a longitudinal guide support 3 and a leading-out reducer 2 which are all fixed on a drilling platform 4, wherein the fixed end of the drilling big rope is connected to a dead rope fixer 7, the other end of the drilling big rope sequentially passes through the leading-in reducer 6, the transverse guide support 5, the longitudinal guide support 3 and the leading-out reducer 2 and then is wound on a rope rewinding machine roller 1, the transverse guide support 5 and the longitudinal guide support 3 are both provided with square frames passing through the drilling big rope, one side of each square frame is provided with a support rotating shaft 8, and the drilling big rope is wound on the support rotating shaft 8.

The leading-in reducer 6, the transverse guide bracket 5, the longitudinal guide bracket 3 and the leading-out reducer 2 are all fixedly installed on the drilling platform 4, and the transverse guide bracket 5 and the longitudinal guide bracket 3 can be arranged and installed on a side plate of a drill floor slideway beam.

Referring to fig. 7, the middle portion of the introduction reducer 6 may be a cylindrical tube, the two end portions thereof may be truncated cone-shaped tubes connected to the cylindrical tube, the inner diameters of the small-diameter ends of the truncated cone-shaped tubes at the two ends thereof may be the same as the inner diameter of the cylindrical tube, and the inner diameter of the large-diameter end of the truncated cone-shaped tube at one end thereof may be larger than the inner diameter of the large-diameter end of the truncated cone-shaped tube at the other end thereof.

The middle part of the leading-out reducer 2 can be a cylindrical pipe, the two end parts of the leading-out reducer can be round platform-shaped pipes connected with the cylindrical pipe, the inner diameter of the small-diameter ends of the round platform-shaped pipes at the two ends of the leading-out reducer is the same as that of the cylindrical pipe, and the inner diameter of the large-diameter end of the round platform-shaped pipe at one end of the leading-out reducer can be larger than that of the large-diameter end of the round platform-shaped pipe at.

The reducing structure is adopted for the leading-in reducer 6 and the leading-out reducer 2, the installation angle is adjusted according to the on-site rope reversing machine and the dead rope fixer 7 during installation, the friction between the drilling big rope and the surface of the rotating shaft of the leading-out reducer 2 is reduced, and the curling deformation caused in the dragging process is avoided.

The size of the leading-in reducer 6 can be the same as that of the leading-out reducer 2, and can also be different.

The frame bodies 9 on two sides of the support rotating shaft of the square frame are rotatably sleeved with round pipes. Or the other three-side frame body except the support rotating shaft 8 of the square frame is rotatably sleeved with a round pipe. The drilling big rope penetrating part of the transverse guide bracket 5 and the longitudinal guide bracket 3 can adopt a structure of a big sleeve and a small pipe, and the sleeve can rotate along with the drilling big rope in the movement process of the drilling big rope, so that the friction between the drilling big rope and the bracket is reduced.

The other three-sided frame body except the support rotating shaft 8 of the square frame can be a round pipe or a round corner square pipe. If a round pipe is adopted, the radial clearance of the round pipe of the frame body and the round pipe sleeved with the round pipe is 1-1.5 mm. For example, the circular tube of the frame body is made of48 x 5 steel pipe, the circular pipe that the frame body cup jointed adopts60X 4 steel pipes. Therefore, when the drilling big rope moves, the steel pipe has smaller rotation vibration.

further, the support rotating shaft 8 may include a fixed mandrel and a shaft sleeve rotatably sleeved outside the fixed mandrel; the fixed mandrel and the shaft sleeve can be round pipes. The radial clearance between the fixed mandrel and the shaft sleeve can be 1-1.5 mm. The structure is simple, the cost is low, and of course, other commercially available roller rotating shafts with bearings can be adopted as the support rotating shaft 8.

Further, the installation height of the center of the support rotating shaft 8 of the transverse guide support 5 from the installation surface fixed with the drilling platform 4 can be adjustable. The installation height of the center of the support rotating shaft 8 of the longitudinal guide support 3 from the installation surface fixed with the drilling platform 4 can be adjustable. Referring to fig. 4 and 5, the mounting height L1 of the longitudinal guide bracket can be determined according to the trend of the high-pressure pipeline on the drilling platform 4, the installation height L2 of the transverse guide bracket can be determined according to the trend of the high-pressure pipeline on the drilling platform 4, the installation height L1 of the longitudinal guide bracket or the installation height L2 of the transverse guide bracket can be a constant value or an adjustable size, for example, the support upright column of the longitudinal guide bracket 3 can adopt a telescopic structure, and a sliding groove or a slideway can be arranged on a supporting upright post for installing and fixing the extending arm in the transverse guide bracket 5, so that the extending arm which passes through the drilling big rope and plays a role of guiding can vertically move up and down, therefore, the installation height of the transverse guide bracket is adjusted, so that the installation height L1 of the longitudinal guide bracket 3 or the installation height L2 of the transverse guide bracket 5 can be adjusted according to actual conditions, and the trend of the large rope and the trend of other equipment are ensured to meet the industrial regulations.

The utility model discloses a theory of operation: the big rope in the rope reversing machine roller 1 is led out through the leading-out reducer 2, sequentially passes through the longitudinal guide support 3 and the transverse guide support 5, changes the trend of the big rope for drilling, and is led to the position of a dead rope fixer 7 on the drilling table surface through the leading-in reducer 6. The guide device is specifically positioned according to the structural characteristics of each project and the trend of the high-pressure pipeline.

The above-mentioned embodiments are only used for illustrating the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the present invention accordingly, the scope of the present invention should not be limited by the embodiment, that is, all equivalent changes or modifications made by the spirit of the present invention should still fall within the scope of the present invention.

Claims (10)

1. The large drilling rope threading guide device is characterized by comprising a large introducing head, a large horizontal guide support, a vertical guide support and a large drawing head which are all fixed on a drilling platform, wherein the fixed end of the large drilling rope is connected to a fixed rope fixer, the other end of the large drilling rope sequentially penetrates through the large introducing head, the large horizontal guide support, the vertical guide support and the large drawing head and then is wound on a rope reversing machine roller, the large horizontal guide support and the vertical guide support are both provided with square frames penetrating through the large drilling rope, one side of each square frame is provided with a support rotating shaft, and the large drilling rope is wound on the support rotating shaft.

2. The drilling longline reeving guide apparatus of claim 1, wherein the middle portion of the leading reducer is a cylindrical tube, the two end portions of the leading reducer are truncated cone-shaped tubes connected with the cylindrical tube, and the inner diameter of the large diameter end of the truncated cone-shaped tube at one end is larger than that of the large diameter end of the truncated cone-shaped tube at the other end.

3. The drilling big rope reeving guide device as claimed in claim 1, wherein the middle part of the leading-out reducer is a cylindrical pipe, the two end parts of the leading-out reducer are truncated cone-shaped pipes connected with the cylindrical pipe, and the inner diameter of the large diameter end of the truncated cone-shaped pipe at one end is larger than that of the large diameter end of the truncated cone-shaped pipe at the other end.

4. The device as claimed in claim 1, wherein the body of the frame at both sides of the rotation axis of the support frame of the square frame is rotatably sleeved with a circular tube.

5. The device as claimed in claim 4, wherein the other three sides of the square frame body except the support rotation shaft are round tubes.

6. The drilling well large rope threading guide device as claimed in claim 5, wherein the radial clearance between the circular pipe of the frame body and the sleeved circular pipe is 1-1.5 mm.

7. The drilling string threading guide device of claim 1, wherein the bracket rotating shaft comprises a fixed mandrel and a shaft sleeve rotatably sleeved outside the fixed mandrel; the fixed mandrel and the shaft sleeve are round pipes.

8. The drilling longline threading guide of claim 7, wherein a radial clearance between the fixed mandrel and the bushing is 1-1.5 mm.

9. The apparatus as claimed in claim 1, wherein the horizontal guide bracket has a center of a rotation axis of the bracket adjustable in a mounting height from a mounting surface to which the drilling platform is fixed.

10. the apparatus as claimed in claim 1, wherein the longitudinal guide bracket has a rotation axis with a center adjustable in height from a fixed installation surface of the drilling platform.