CN109519132B

CN109519132B - Drill rod conveyor

Info

Publication number: CN109519132B
Application number: CN201811414835.6A
Authority: CN
Inventors: 江少波; 韩培霞; 王龙; 隋忠勋; 郑亚文
Original assignee: Shengli Oil Field Wuhua Industrial Development Co ltd
Current assignee: SHENGLI OIL FIELD WUHUA INDUSTRIAL DEVELOPMENT Co.,Ltd.
Priority date: 2018-11-26
Filing date: 2018-11-26
Publication date: 2020-11-17
Anticipated expiration: 2038-11-26
Also published as: CN109519132A

Abstract

The utility model relates to the technical field of oil development, and a drill rod conveyor is disclosed, including basic base, be equipped with lifting mechanism on the basic base, tilting mechanism establishes on lifting mechanism, basic base's lateral part is equipped with moves the shipping unit, move the shipping unit including removing the cassette and can drive the first drive arrangement who removes the cassette and remove, it is equipped with the recess to remove the cassette, the tank bottom of recess is the plane, groove cross sectional shape is trapezoidal, the tank bottom of recess to the cross-sectional area crescent of groove opening, the width of groove tank bottom is greater than the width of drilling rod, it includes the lift landing leg to move the shipping unit, the lift landing leg is fixed on basic base, it establishes on the lift landing leg to remove the cassette. Due to the arrangement, non-circular drill rods such as the kelly bar and the like do not need to be moved and transported in a dragging mode, so that the abrasion to the drill rods is reduced, and potential safety hazards are eliminated; the problem of current pipe pole conveyer and catwalk machine can't transport non-circular tubular columns such as kelly is solved.

Description

Drill rod conveyor

Technical Field

The application relates to the technical field of oil exploitation, and more particularly relates to a drill rod conveyor.

Background

When the traditional overhaul operation is carried out, the height of an overhaul drill floor is generally more than 4.5 m-7 m, a drill rod is pushed into a catwalk and then pushed to a rat hole along the catwalk and a ramp through a steel wire rope, and due to the fact that the drill rod is long in size and heavy in weight, the construction mode not only costs a lot of time and is low in operation efficiency, but also is high in labor intensity and high in safety risk; in addition, in the dragging process, one end of the dragged drilling tool slides on the catwalk and the ramp, so that the screw thread of the drilling tool can be damaged, serious connection and sealing problems are caused, and potential safety hazards are caused.

In order to solve the problems, a pipe rod conveyor is developed, at present, when in overhaul operation in each large oil field, a lifting mechanism arranged on a base of the pipe rod conveyor is used for conveying pipe columns, but the pipe rods with circular cross sections can only be conveyed, so that the circular pipe rods roll on the lifting mechanism, non-circular pipe columns such as kelly bars cannot roll on the lifting mechanism and can only be conveyed by a dragging method, and pipe end threads are easy to damage and scratch in the pipe column dragging process, and potential safety hazards exist. In addition, although the same type catwalk machine or pipe rod conveyor is additionally provided with a turnover mechanism for moving a pulley device and feeding and discharging materials of a pipe column, the conventional catwalk machine cannot meet the conveying requirement of the kelly rod due to the fact that the kelly rod cannot roll on the catwalk machine or the lifting mechanism due to the shape restriction of the kelly rod.

Therefore, how to solve the problem that the existing pipe rod conveyor and catwalk machine cannot transport non-circular pipe columns such as kelly rods becomes an important technical problem to be solved by the personnel in the field.

Disclosure of Invention

For overcoming the problem that exists in the correlation technique to a certain extent at least, this application provides a drilling rod conveyer, has solved the problem that current pipe pole conveyer and catwalk machine can't transport non-circular tubular columns such as kelly.

The application provides a drill rod conveyor, including basic base, be provided with the lifting mechanism who is used for lifting the drilling rod on the base of basis, be used for removing the tilting mechanism of drilling rod, tilting mechanism sets up lifting mechanism is last, its characterized in that, the lateral part of basic base is provided with moves the device, move the device can with the drilling rod moves and transports on the tilting mechanism and can receive on the tilting mechanism the drilling rod, move the device including removing the cassette and can driving remove the first drive arrangement that the cassette removed, it is provided with the recess that is used for bearing the drilling rod to remove the cassette, the tank bottom of recess is the plane, the cross-sectional shape of recess is trapezoidal, the tank bottom of recess extremely the cross-sectional area of the notch of recess increases gradually, the width of the tank bottom of recess is greater than the width of drilling rod, The moving and transporting device further comprises a lifting support leg for lifting the moving clamping seat, the lifting support leg is fixed on the base, and the moving clamping seat is arranged on the lifting support leg.

Preferably, the lifting mechanism comprises a front rotating arm and a rear rotating arm, the front rotating arm and the rear rotating arm are used for bearing the drill rod, the front rotating arm and the rear rotating arm are connected at a certain angle, the rear rotating arm can lift the front rotating arm, and the turnover mechanism is arranged on the front rotating arm.

Preferably, a telescopic mechanism for carrying the drill rod is further arranged on the front rotating arm, and the telescopic mechanism can be telescopic along the extending direction of the front rotating arm.

Preferably, the drilling rod drilling device further comprises a moving trolley capable of driving the drilling rod to move, the moving trolley is arranged at the tail of the telescopic mechanism, and when the telescopic mechanism extends, the moving trolley moves to the end of the telescopic mechanism so that the drilling rod moves to the wellhead or receives the drilling rod.

Preferably, the side part of the base is provided with a rotating arm which can move the drill rod on the transfer device to the turnover mechanism.

Preferably, the turnover mechanism comprises a turnover plate for bearing the drill rod and a second driving device capable of driving the turnover plate to turn over, the turnover plate is arranged above the telescopic mechanism, the second driving device is fixed on the telescopic mechanism, one side of the turnover plate is rotatably connected with the telescopic mechanism, and the other side of the turnover plate is connected with the second driving device.

Preferably, a second track for the moving trolley to move is arranged on the telescopic mechanism, and the second track is arranged along the extending direction of the telescopic mechanism.

The technical scheme provided by the embodiment of the application can have the following beneficial effects:

the application provides a drill rod conveyor, which comprises a movable clamping seat and a first driving device, wherein the first driving device can drive the movable clamping seat to move so that the movable clamping seat can move a drill rod, and non-circular drill rods such as a kelly bar and the like do not need to be moved and transported in a dragging mode, so that the abrasion to the drill rod is reduced, and potential safety hazards are eliminated; the movable clamping seat is provided with a groove for bearing a drill rod, the bottom of the groove is of a plane structure, so that the groove can bear a square drill rod or other non-circular drill rods, and the cross sectional area from the bottom of the groove to the opening of the groove is gradually increased in order to ensure that the drill rods can conveniently enter the groove. This enables non-round drill rods, such as kelly rods, to be moved to a lifting mechanism or catwalk machine. So set up, solved the problem of the unable non-circular tubular columns such as kelly of transportation of current pipe pole conveyer and catwalk machine.

The application also provides a drill rod conveyor, which realizes the transportation and the receiving of the non-circular drill rods such as the kelly bar and solves the problem that the existing pipe rod conveyor can not transport the non-circular pipe columns such as the kelly bar.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

FIG. 1 is a block diagram illustrating a transfer device according to one exemplary embodiment;

FIG. 2 is a schematic elevation view of a pipe conveyor according to an exemplary embodiment;

FIG. 3 is a side schematic view of a pipe conveyor shown in accordance with an exemplary embodiment.

The method comprises the following steps of 1-a basic base, 2-a rear rotating arm, 3-a rotating arm, 4-a moving and transporting device, 5-a moving pulley, 6-a lifting mechanism, 7-a telescopic mechanism, 8-a V-shaped sliding groove, 9-a moving clamping seat and 10-a lifting supporting leg.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.

Referring to fig. 1 to 3, the present embodiment provides a drill rod conveyor, which includes a moving device for moving a drill rod, as shown in fig. 1, the moving device includes a moving clamping seat 9, a lifting leg 10 and a first driving device, the first driving device drives the moving clamping seat 9 to move, so that the moving clamping seat 9 can move the drill rod, the moving clamping seat 9 can move the drill rod to a lifting mechanism 6 or a catwalk machine, and the moving clamping seat 9 can receive the drill rod on a turnover mechanism, and it is not necessary to move non-circular drill rods such as a kelly bar in a dragging manner, thereby reducing wear of the drill rod and eliminating potential safety hazards.

The moving and transporting device further comprises lifting support legs 10, the lifting support legs 10 are fixed on the base 1, and the lifting support legs 10 are used for controlling the lifting of the moving clamping seat 9.

The movable clamping seat 9 is arranged above the lifting support leg 10, and the lifting support leg 10 controls the height of the movable clamping seat 9 according to the height of the lifting mechanism 6 at the initial position, so that the movable clamping seat 9 is level with the lifting mechanism 6, and the drill rod can be accurately moved to the lifting mechanism 6; the first driving device is fixed on the lifting support leg 10 and arranged on one side of the lifting support leg 10 far away from the lifting mechanism 6, and when the moving clamping seat 9 needs to move a drill rod, the first driving device drives the moving clamping seat 9 to be close to the lifting mechanism 6; when the movable clamping seat 9 receives the drill rod, the first driving device drives the movable clamping seat 9 to return to the initial position.

It should be noted that the lifting support leg 10 can be lifted by an electro-hydraulic control method, and the first driving device may be a hydraulic cylinder.

A groove for bearing a drill rod is arranged on the movable clamping seat 9, and the bottom of the groove is of a plane structure, so that a square drill rod or other non-circular drill rods can be borne in the groove, and certainly, the groove can bear a cylindrical drill rod; in order to ensure that the drill rod can enter the groove conveniently, the cross section area from the groove bottom of the groove to the groove opening of the groove is gradually increased. This enables non-round drill rods, such as kelly rods, to be moved to the lifting mechanism 6 or catwalk machine.

Wherein, the width of the tank bottom of recess is greater than the width of drilling rod to guarantee in the drilling rod can enter into the recess completely, in order to prevent when removing cassette 9 and remove, the drilling rod follows the interior roll-off of recess.

In particular, the cross-sectional shape of the groove may preferably be trapezoidal to facilitate the entry of the drill rod into the groove, or rectangular, which may be determined according to actual needs.

So set up, solved the problem of the unable non-circular tubular columns such as kelly of transportation of current pipe pole conveyer and catwalk machine.

In this embodiment, as shown in fig. 2 and 3, the drill rod conveyor further includes a base 1, a lifting mechanism 6 and a turnover mechanism are arranged on the base 1, and the turnover mechanism is arranged on the lifting mechanism 6; a transfer device 4 is arranged at the side part of the base seat 1, and the transfer device 4 can be the above transfer device so as to be capable of transferring non-circular drill rods such as kelly rods; the moving device 4 can move the drill rod to the turnover mechanism and receive the drill rod received by the turnover mechanism from the wellhead, so that the drill rod is integrally transported.

It should be noted that the drill rod conveyor comprises a driving device and a control system for controlling the integral conveying and receiving of the drill rods, and the base 1 is of a U-shaped truss structure and is a bearing base of the integral drill rod conveyor and an installation base of the driving device and the control system.

Furthermore, a rotating arm 3 is arranged at the side part of the base pedestal 1, and the rotating arm 3 can move the drill rod on the transfer device 4 to the turnover mechanism so that the drill rod can be accurately moved to the turnover mechanism.

Wherein, lifting mechanism 6 includes preceding rotation arm and back swinging boom 2, preceding rotation arm is the connection of certain angle with back swinging boom 2, tilting mechanism sets up in the front on the swinging boom, back swinging boom 2 can lift preceding rotation arm, the initial position of preceding rotation arm is horizontal position, so that the drilling rod moves to tilting mechanism on, back swinging boom 2 is articulated with basic base 1, there is certain contained angle between back swinging boom 2 and the basic base 1, when back swinging boom 2 rotates, the preceding rotation arm of drive removes, because preceding rotation arm is connected with back swinging boom 2 and is certain angle, thereby preceding rotation arm slope rises, and be close to the well head.

In the embodiment, the rear rotating arm 2 and the front rotating arm can be driven by the hydraulic cylinder to realize inclined lifting at a certain angle according to the height of the working platform.

In this embodiment, a telescopic mechanism 7 is provided on the front rotating arm, the turnover mechanism is provided on the telescopic mechanism 7, and the telescopic mechanism 7 can be extended and retracted along the extending direction of the front rotating arm.

The drill rod conveyor further comprises a moving trolley 5, the moving trolley 5 is arranged on the telescopic mechanism 7, the moving trolley 5 can drive the drill rod to move, the moving trolley 5 is arranged at the tail of the telescopic mechanism 7, and when the telescopic mechanism 7 extends, the moving trolley 5 moves to the end of the telescopic mechanism 7 to enable the drill rod to move to a wellhead or the moving trolley 5 receives the drill rod at the wellhead.

Wherein, both sides of the telescoping mechanism 7 are provided with a roller and a guide wheel, and the front rotating arm is provided with a first track for the roller and the guide wheel to slide, so as to increase the flexibility of the telescoping mechanism 7; a second track is arranged on the telescopic mechanism 7, and the movable trolley 5 slides on the second track to ensure that the movable trolley 5 slides along a fixed direction.

It should be noted that the extending directions of the first rail and the second rail are both the extending directions of the front rotating arm.

When a drill rod is conveyed, firstly, the clamping seat 9 is moved to move the drill rod into the telescopic mechanism 7, the tail end of the drill rod is positioned on the movable trolley 5, the front end of the drill rod is positioned on the telescopic mechanism 7, then, the rear rotating arm 2 rotates to drive the front rotating arm to obliquely lift, at the moment, the telescopic mechanism 7 extends to move the drill rod to a wellhead, and as the movable trolley 5 is positioned on the telescopic mechanism 7, the movable trolley 5 and the telescopic mechanism 7 are relatively static, namely, the movable trolley 5 moves towards the wellhead along with the extending part of the telescopic mechanism 7; the driller slowly lifts the front end of the drill rod, the drill rod drives the movable pulley 5 to slide towards the wellhead until the drill rod is completely lifted, namely the drill rod is separated from the movable pulley 5, and therefore conveying of the drill rod is achieved.

In one embodiment, the turnover mechanism comprises a turnover plate for bearing the drill rod and a second driving device for driving the turnover plate to rotate, the turnover plate is arranged above the telescopic mechanism 7, the second driving device is fixed on the telescopic mechanism 7, one side of the turnover plate is rotatably connected with the telescopic mechanism 7, and the other side of the turnover plate is connected with the second driving device. The second driving device can be a hydraulic cylinder, and when the drill rod needs to be moved to the moving and conveying device 4 after the turning plate receives the drill rod, the second driving device extends to enable the turning plate to rotate, so that the drill rod in the turning plate is moved out.

Furthermore, the turning plate can stretch out and draw back along with the telescopic mechanism 7, and the turning plate is provided with the V-shaped sliding groove 8, namely the V-shaped sliding groove 8 can stretch out and draw back along with the telescopic mechanism 7, so that the arrangement can ensure that the drill rod is not easy to slide off from the turning plate when the drill rod is transported.

When receiving the drilling rod, preceding swinging boom is lifted earlier to back swinging boom 2, back swinging boom 2 lifts telescopic machanism 7 earlier promptly, then, telescopic machanism 7 extends to the well head, V type spout 8 extends to the well head promptly, remove coaster 5 and remove the front end to telescopic machanism 7, so that receive the drilling rod, at first the driller places the lower extreme of drilling rod on removing coaster 5, remove coaster 5 and slide to telescopic machanism 7's afterbody, until the front end and the contact of V type spout 8 of drilling rod, secondly, lifting machanism 6 gets back to initial position, telescopic machanism 7 contracts, make the drilling rod be in horizontal position, tilting mechanism upset, make the drilling rod remove to move on the fortune device 4, thereby realize the receipt of drilling rod.

In this embodiment, the drill rod conveyor further includes a fluid path system, and the fluid path system provides a hydraulic power source for the rear rotating arm 2, the telescopic mechanism 7, the rotating arm, the moving block 5, and the like.

It should be noted that the terms "first," "second," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.

Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A drill rod conveyor comprises a base (1), wherein a lifting mechanism (6) used for lifting a drill rod and a turnover mechanism used for removing the drill rod are arranged on the base (1), the turnover mechanism is arranged on the lifting mechanism (6), the drill rod conveyor is characterized in that a transfer device (4) is arranged on the side portion of the base (1), the transfer device (4) can transfer the drill rod onto the turnover mechanism and can receive the drill rod on the turnover mechanism, the transfer device (4) comprises a moving clamping seat (9) and a first driving device capable of driving the moving clamping seat (9) to move, the moving clamping seat (9) is provided with a groove used for bearing the drill rod, the groove bottom of the groove is a plane, the cross section of the groove is trapezoidal, and the cross section area from the groove bottom of the groove to the groove opening of the groove is gradually increased, the width of the bottom of the groove is larger than that of the drill rod so as to prevent the drill rod from sliding out of the groove when the movable clamping seat (9) moves, the moving and transporting device (4) further comprises a lifting support leg (10) used for lifting the movable clamping seat (9), the lifting support leg (10) is fixed on the base (1), and the movable clamping seat (9) is arranged on the lifting support leg (10).

2. The rod conveyor according to claim 1, characterized in that the lifting mechanism (6) comprises a front swivel arm for carrying the rod and a rear swivel arm (2), the front swivel arm being connected to the rear swivel arm (2) at an angle, the rear swivel arm (2) being capable of lifting the front swivel arm, the tilting mechanism being arranged on the front swivel arm.

3. The rod conveyor according to claim 2, characterized in that a telescoping mechanism (7) for carrying the rods is further provided on the front swivel arm, the telescoping mechanism (7) being retractable in the extension direction of the front swivel arm.

4. The drill rod conveyor as recited in claim 3, further comprising a moving trolley (5) capable of moving the drill rod, wherein the moving trolley (5) is arranged at the tail of the telescopic mechanism (7), and when the telescopic mechanism (7) extends, the moving trolley (5) moves to the end of the telescopic mechanism (7) so as to move the drill rod to a wellhead or receive the drill rod.

5. The rod conveyor according to claim 1, characterized in that the base foundation (1) is provided at its side with a pivoted arm (3), which pivoted arm (3) is able to move the rods on the transfer device (4) to the tilting mechanism.

6. The rod conveyor according to claim 3, characterized in that the turnover mechanism comprises a turnover plate for carrying the rod and a second driving device capable of driving the turnover plate to turn over, the turnover plate is arranged above the telescoping mechanism (7), the second driving device is fixed on the telescoping mechanism (7), one side of the turnover plate is rotatably connected with the telescoping mechanism (7), and the other side of the turnover plate is connected with the second driving device.

7. The pipe conveyor according to claim 4, characterized in that the telescopic mechanism (7) is provided with a second track for the movement of the mobile trolley (5), the second track being arranged along the extension direction of the telescopic mechanism (7).