阅读说明：本技术 一种设置有滑车的猫道 (Catwalk provided with pulley ) 是由 曹彩红 吕文杰 陈世龙 王峰 管永祥 于 2020-08-28 设计创作，主要内容包括：一种设置有滑车的猫道,包括机架、旋升驱动、连杆、旋升滑道、滑车、上管驱动和上管机构,所述旋升驱动一端活动连接于所述机架上,另一端活动连接于连杆上,所述连杆的一端活动连接于所述机架上,另一端活动连接于旋升滑道上,所述旋升滑道的一端和所述机架活动连接,并于所述旋升滑道上可滑动的设置滑车,上管驱动一端活动连接于所述机架上,所述上管驱动的另一端和上管机构活动连接,所述上管机构设置于所述旋升滑道左右两侧的所述机架上。管杆放置于滑车内跟随滑车一并在滑道内滑动,避免管杆丝扣直接于滑道内滑动造成磨损,有效保护了管杆丝扣,同时,通过上管机构将管杆送到到滑道中进行输送,使得滑车不需要进行左右工况的切换。(The utility model provides a catwalk with coaster, includes the frame, rises drive, connecting rod soon, rises slide, coaster, top tube drive and top tube mechanism soon, rise drive one end swing joint soon in the frame, other end swing joint is on the connecting rod, the one end swing joint of connecting rod in the frame, other end swing joint is in on rising the slide soon, rise the slide soon one end with frame swing joint, and in rise slidable on the slide soon and set up the coaster, top tube drive one end swing joint in the frame, top tube driven other end and top tube mechanism swing joint, top tube mechanism set up in rise the slide left and right sides soon in the frame. The pipe pole is placed and is followed the coaster and slide in the lump in the coaster, avoids pipe pole screw thread to directly slide in the slide and cause wearing and tearing, has effectively protected pipe pole screw thread, simultaneously, sends the pipe pole to the slide through top tube mechanism and carries for the switching of operating mode about the coaster need not carry out.)

1. The utility model provides a catwalk with coaster, includes the frame, rises drive, connecting rod soon, rises slide, coaster, top tube drive and top tube mechanism soon, a serial communication port, rise drive one end swing joint soon in the frame, other end swing joint is on the connecting rod, the one end swing joint of connecting rod in the frame, other end swing joint is in rising the slide soon, rise the slide soon one end with frame swing joint, and in rise slidable on the slide soon and set up the coaster, top tube drive one end swing joint in the frame, top tube driven other end and top tube mechanism swing joint, top tube mechanism set up in rise the slide left and right sides soon in the frame.

2. The catwalk provided with the tackle according to claim 1, wherein the rack includes a chute, and one end of the rotary lifting chute is slidably disposed in the chute through a sliding bearing.

3. The catwalk with the tackle as claimed in claim 1, wherein a folding chute is movably disposed at one end of the lifting chute.

4. The catwalk provided with the tackle as claimed in claim 1, wherein the tackle is externally connected with a first driving mechanism, the first driving mechanism comprises a hydraulic cylinder, and the tackle moves in the slideway under the driving of the hydraulic cylinder, so that the pipe rod is conveyed.

5. The catwalk provided with the tackle as claimed in claim 1, wherein the pipe feeding mechanism includes a mechanism seat, a rotating shaft, a link mechanism, a swing arm, a slider and a gripper, the mechanism seat is fixedly disposed on the frame, the rotating shaft is rotatably disposed on the mechanism seat, the mechanism seat and the rotating shaft are movably connected through the link mechanism and the swing arm, and the slider and the gripper are movably disposed on the swing arm.

6. The catwalk provided with the tackle as claimed in claim 5, wherein the shaft is fixedly provided with a connection wing, the connecting wing is provided with a first connecting point and a second connecting point, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the first connecting rod is movably connected to the mechanism seat, the lower end of the first connecting rod is movably connected with the first connecting end of the second connecting rod, the second connecting end of the second connecting rod is movably connected with the swing arm, a third connecting end is arranged on the second connecting rod positioned at the first connecting end and the second connecting end, the third connecting end passes through first connecting point with connecting wing swing joint, the connecting wing passes through the second connecting point with third connecting rod upper end swing joint, third connecting rod lower extreme with the upper end swing joint of swing arm.

7. The catwalk provided with the tackle according to claim 5, wherein the slider comprises a slider body and a slider driver, the slider driver is connected with the slider body in a driving manner, the slider body is hinged with the swing arm and can slide up and down on the swing arm, the mechanical claw comprises an upper claw and a lower claw, the upper claw and the lower claw are rotatably mounted in the mounting seat, and one end of the upper claw and one end of the lower claw extend into the slider body.

8. The catwalk with a tackle as claimed in claim 7, wherein one end of the slider body is hinged to the swing arm, an avoiding groove is formed in the center of the slider body for enabling the slider body to slide up and down along the swing arm, a portion of the swing arm is located in the avoiding groove, a limiting groove for limiting the sliding direction and distance of the slider body is formed in a side wall of the slider body, and a limiting part corresponding to the limiting groove is formed in the swing arm.

9. The catwalk with the tackle as claimed in claim 7, wherein the lower end of the swing arm is fixedly provided with a hollow mounting seat, two side walls of the slider body are provided with operating windows, the upper jaw and the lower jaw each include a transition rod, an end, an operating rod and a clamping jaw, the transition rod is rotatably disposed in a casing of the mounting seat, the end is disposed at one end of the transition rod facing the slider body and located in the slider body, the operating rod is disposed on the end, the operating rod extends out of the operating window, and the clamping jaw is disposed at the other end of the transition rod.

10. The catwalk provided with the tackle of claim 9, wherein the mounting seat is a hollow splayed casing fixedly disposed on the swing arm.

Technical Field

The invention relates to the technical field of petroleum drilling and workover transportation equipment, in particular to a catwalk which is provided with a pulley and can efficiently lift and lower a pipe rod.

Background

Catwalks are indispensable in the drilling and workover processes. In recent years, with the continuous development of drilling and well repairing technologies, various automatic catwalks appear, and compared with manual operation, the automatic catwalk reduces the labor intensity of workers and improves the operation efficiency. However, in the use process of these automatic catwalks, the pipe rod slides in the catwalk, so that the pipe rod screw thread is easy to be damaged in the sliding process, and therefore, in order to reduce the abrasion, the drilling and workover team uses more or traditional simple pulleys and puts the simple pulleys on two oil pipes, and the male buckle end of the pipe rod slides along with the pulleys, but the simple mode is not suitable when the height of a wellhead is higher.

In addition, current automatic catwalk plays the lower pipe pole in-process, in order to put into the catwalk with the pipe pole and carry, the switching of operating mode about the catwalk needs to carry out, and there is the step that the upset was ajusted in the catwalk promptly, has greatly reduced the work efficiency who plays the lower pipe pole, increases workman's intensity of labour.

Therefore, aiming at the defects, the catwalk which can effectively protect the oil pipe screw thread, is convenient to switch between the left working condition and the right working condition, has lower overall height, can adapt to the oil pipe lifting operation under various working conditions of the oil field and has good reliability and applicability is required to be arranged.

Disclosure of Invention

The invention aims to provide a catwalk with a pulley, wherein when a pipe rod is lifted and dropped, the pipe rod is placed in the pulley and slides in a slide way along with the pulley, so that the pipe rod thread is prevented from directly sliding in the slide way to cause abrasion, the pipe rod thread is effectively protected, and meanwhile, the pipe rod is conveyed into the slide way through a pipe feeding mechanism to be conveyed, so that on one hand, the pulley does not need to switch left and right working conditions, on the other hand, the problem of rolling and falling collision which is difficult to avoid when the pipe rod falls into the slide way can be reduced, the abrasion caused by the pipe rod in the collision process is avoided, and the conveying noise is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a catwalk with a tackle comprises a rack, a rotary lifting drive, a connecting rod, a rotary lifting slide way, a tackle, an upper pipe drive and an upper pipe mechanism, wherein one end of the rotary lifting drive is movably connected to the rack, the other end of the rotary lifting drive is movably connected to the connecting rod, one end of the connecting rod is movably connected to the rack, the other end of the connecting rod is movably connected to the rotary lifting slide way, one end of the rotary lifting slide way is movably connected with the rack, the tackle can be arranged on the rotary lifting slide way in a sliding manner, one end of the upper pipe drive is movably connected to the rack, the other end of the upper pipe drive is movably connected with the upper pipe mechanism, and the upper pipe mechanism is arranged on the rack on the;

correspondingly, a sliding groove is formed in the rack, one end of the rotary lifting slide way is arranged in the sliding groove in a sliding mode through a sliding bearing, the rotary lifting slide way can be lifted by a connecting rod under the driving of rotary lifting driving, and the rotary lifting slide way can be horizontally pushed within a certain distance along a horizontal slide way;

correspondingly, a folding slideway is movably arranged at one end of the rotary lifting slideway, the length of the slideway of the rotary lifting slideway is prolonged through the folding slideway when the rotary lifting slideway is required to be conveyed, and the folding slideway is folded to the lower side of the rotary lifting slideway when the rotary lifting slideway is not required to be conveyed, so that the overall length of the catwalk is reduced;

correspondingly, the pulley is externally connected with a first driving mechanism, the first driving mechanism comprises a hydraulic cylinder, the pulley moves in the slideway under the driving of the hydraulic cylinder, and then the pipe rod is conveyed;

correspondingly, the pipe feeding mechanism comprises a mechanism seat, a rotating shaft, a connecting rod mechanism, a swinging arm, a sliding block and a mechanical claw, wherein the mechanism seat is fixedly arranged on the rack, the rotating shaft is rotatably arranged on the mechanism seat, the mechanism seat and the rotating shaft are movably connected through the connecting rod mechanism and the swinging arm, and the sliding block and the mechanical claw are movably arranged on the swinging arm;

correspondingly, the upper tube driver is movably connected with the rotating shaft and is used for driving the rotating shaft to rotate;

correspondingly, a connecting wing is fixedly arranged on the rotating shaft, a first connecting point and a second connecting point are arranged on the connecting wing, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod, the upper end of the first connecting rod is movably connected to the mechanism seat, the lower end of the first connecting rod is movably connected with a first connecting end of the second connecting rod, a second connecting end of the second connecting rod is movably connected with the swing arm, a third connecting end is also arranged on the second connecting rod positioned at the first connecting end and the second connecting end, the third connecting end is movably connected with the connecting wing through the first connecting point, the connecting wing is movably connected with the upper end of the third connecting rod through the second connecting point, and the lower end of the third connecting rod is movably connected with the upper end of the swing arm; the connection mode can realize the large-angle rotation pipe feeding operation of the pipe feeding mechanism on the pipe rod;

correspondingly, the sliding block comprises a sliding block body and a sliding block drive, the sliding block drive is connected with the sliding block body in a driving mode, the sliding block body is hinged with the swing arm and can slide up and down on the swing arm, the mechanical claw comprises an upper claw and a lower claw, the upper claw and the lower claw are rotatably installed in the installation seat, and one end of the upper claw and one end of the lower claw extend into the sliding block body;

correspondingly, an avoiding groove for enabling the slider body to slide up and down along the swing arm is formed in the center of the slider body, part of the swing arm is located in the avoiding groove, a limiting groove for limiting the sliding direction and distance of the slider body is formed in the side wall of the slider body, and a limiting part corresponding to the limiting groove is arranged on the swing arm; under the driving of the slider, the slider body can slide up and down on the swing arm in a limited direction and distance through the avoidance groove;

correspondingly, a hollow mounting seat is fixedly arranged at the lower end of the swing arm, operation windows are arranged on two side walls of the slider body, the upper claw and the lower claw respectively comprise a transition rod, an end head, an operation rod and a clamping claw, the transition rod is rotatably arranged in a casing of the mounting seat, the end head is arranged at one end, facing the slider body, of the transition rod, the end head is positioned in the slider body, the operation rod is arranged on the end head, the operation rod extends out of the operation window, and the clamping claw is arranged at the other end of the transition rod; the position of the operating window is deviated by sliding the sliding block, so that the operating rod is swung under the limiting action of the operating window on the operating rod, and the swing of the operating rod drives the clamping claw to swing, thereby realizing the switching between the clamping state and the non-clamping state of the clamping claw;

correspondingly, the mounting seat is a hollow splayed casing fixedly arranged on the swing arm.

The invention has the beneficial effects that:

1) a pulley is arranged in the rotary lifting slide way, and the pipe rod can be placed on the pulley and conveyed in the rotary lifting slide way along with the pulley, so that the pipe rod screw thread is prevented from directly sliding in the slide way to cause abrasion, and the pipe rod screw thread is effectively protected;

2) one end of the rotary lifting slide way is hinged with the rack and can slide on a horizontal slide way of the rack, meanwhile, the rotary lifting drive is connected with the connecting rod, and the connecting rod is connected with the rotary lifting slide way;

3) through setting up tube feeding mechanism, utilize tube feeding mechanism to carry the pipe pole centre gripping to carry in the coaster and carry, on the one hand for the switching of operating mode about the coaster need not carry out, on the other hand can reduce the pipe pole and fall the collision problem falling into the roll that the slide in-process is difficult to avoid, has avoided the wearing and tearing that the pipe pole caused at the collision in-process, has reduced the noise of carrying.

Drawings

Fig. 1 is a schematic structural diagram of a catwalk provided with a tackle according to an embodiment of the present invention in a lifting state of a rotary lifting chute;

fig. 2 is a schematic structural diagram of a catwalk provided with a tackle according to an embodiment of the present invention in a state of retracting a folding chute;

fig. 3 is a schematic structural diagram of a catwalk provided with a tackle according to an embodiment of the present invention in a state where a lifting chute is retracted;

FIG. 4 is a schematic structural view of a lifting chute and a frame slidably hinged according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a tube feeding mechanism according to an embodiment of the present invention;

FIG. 6 is a state diagram illustrating the use of the tube loading mechanism according to an embodiment of the present invention;

FIG. 7 is an enlarged view of the structural connections between the mechanism base, the pivot shaft, the linkage mechanism, and the swing arm according to one embodiment of the present invention;

FIG. 8 is a schematic perspective view of a gripper and a mounting base according to an embodiment of the present invention;

fig. 9 and 10 are schematic perspective views of two angles for arranging the slider body and the gripper on the mounting base according to an embodiment of the present invention;

FIG. 11 is a schematic cross-sectional view of a slider and a gripper disposed on a mounting base according to an embodiment of the present invention;

FIG. 12 is an enlarged view of the gripper of one embodiment of the present invention in a non-gripping position;

FIG. 13 is an enlarged view of the gripper of one embodiment of the present invention in a clamped position;

in the figure:

1. a frame; 11. a chute;

2. rotating and lifting driving; 3. a connecting rod;

4. lifting the slide way in a rotating way; 41. a sliding bearing;

5. folding the slideway; 6. a pulley; 7. driving an upper pipe; 8. a pipe feeding mechanism;

81. a mechanism seat;

82. a rotating shaft; 821. a connecting wing;

83. a first link; 84. a second link; 85. a third link;

86. a swing arm; 861. a mounting seat;

87. a slider body; 871. an avoidance groove; 872. a limiting groove; 873. an operating window;

88. an upper jaw; 881. an upper transition bar; 882. an upper end head; 883. an upper operating lever; 884. an upper gripper jaw;

89. a lower jaw; 891. a lower transition bar; 892. a lower end head; 893. a lower operating lever; 894. and a lower gripper jaw.

Detailed Description

As shown in fig. 1-3, in one embodiment of the present invention, the catwalk provided with the pulley 6 comprises a frame 1, a rotary lifting drive 2, a connecting rod 3, a rotary lifting slide 4, a folding slide 5, a pulley 6, a top tube drive 7 and a top tube mechanism 8, wherein one end of the rotary lifting drive 2 is movably connected to the frame 1, the other end is movably connected to the connecting rod 3, one end of the connecting rod 3 is movably connected to the frame 1, the other end is movably connected to the rotary lifting slide 4, as shown in fig. 4, one end of the rotary lifting slide 4 is slidably arranged in a sliding groove 11 of the frame 1 through a sliding bearing 41, the other end of the rotary lifting slide 4 is also movably provided with the folding slide 5, the pulley 6 is slidably arranged on the rotary lifting slide 4, for example, a slide or a guide rail is arranged in the rotary lifting slide 4, a roller or a guide rail is arranged, the external first actuating mechanism of coaster 6, coaster 6 removes in the slide under first actuating mechanism's drive, and 7 one end swing joint of top tube drive are in frame 1, and the other end and the 8 swing joint of top tube mechanism of top tube drive 7, top tube mechanism 8 set up in the frame 1 that rises 4 left and right sides of slide soon. In this embodiment, for simplifying the description, the movable connection is more embodied, and the movable connection can be realized in a hinged manner;

as shown in fig. 5, the tube loading mechanism 8 includes a mechanism seat 81, a rotating shaft 82, a link mechanism, a swing arm 86, a slider and a gripper, the mechanism seat 81 is fixedly disposed on the frame 1, the rotating shaft 82 is rotatably disposed on the mechanism seat 81, on one hand, the tube loading drive 7 is hinged to the rotating shaft 82 for driving the rotating shaft 82 to rotate, on the other hand, the mechanism seat 81 and the rotating shaft 82 are movably connected through the link mechanism and the swing arm 86, and the slider and the gripper are movably disposed on the swing arm 86, more specifically:

as shown in fig. 7, a connecting wing 821 is fixedly arranged on the rotating shaft 82, a first connecting point and a second connecting point are arranged on the connecting wing 821, the link mechanism includes a first link 83, a second link 84 and a third link 85, the upper end of the first link 83 is hinged to the mechanism seat 81, the lower end of the first link 83 is hinged to the first connecting end of the second link 84, the second connecting end of the second link 84 is hinged to the swing arm 86, a third connecting end is also arranged on the second link 84 located at the first connecting end and the second connecting end, the third connecting end is hinged to the connecting wing 821 through the first connecting point, the connecting wing 821 is hinged to the upper end of the third link 85 through the second connecting point, and the lower end of the third link 85 is hinged to the upper end of the swing arm 86;

as shown in fig. 8, a hollow mounting seat 861 is fixedly arranged at the lower end of the swing arm 86, for example, the mounting seat 861 is a hollow splayed sleeve fixedly arranged on the swing arm 86, and the mounting seat 861 is used for limiting the movement of the mechanical claw and only allowing the mechanical claw to rotate in the sleeve, so as to change the clamping state of the mechanical claw;

the slider comprises a slider body 87 and a slider drive, the slider drive is connected with the slider body 87 in a driving manner, as shown in fig. 9 and 10, one end of the slider body 87 is hinged with the swing arm 86, an avoidance groove 871 for enabling the slider body 87 to slide up and down along the swing arm 86 is arranged in the center of the slider body 87, part of the swing arm 86 and part of the gripper are accommodated by the avoidance groove 871, a limit groove 872 for limiting the sliding direction and distance of the slider body 87 is arranged on the side wall of the slider body 87, a limit part corresponding to the limit groove 872 is arranged on the swing arm 86 and can slide in the limit groove 872, and in addition, operation windows 873 for controlling the gripper to swing are further arranged on the two side walls of the slider body 87;

the robot claw includes an upper claw 88 and a lower claw 89, each of the upper claw 88 and the lower claw 89 includes a transition lever, a tip, an operation lever, and a gripping claw, as shown in fig. 8 to 11, the upper claw 88 includes an upper transition lever 881, an upper tip 882, an upper operation lever 883, and an upper gripping claw 884, the lower claw 89 includes a lower transition lever 891, a lower tip 892, a lower operation lever 893, and a lower gripping claw 894, the upper claw 88 is illustrated as an example, the upper transition lever 881 is rotatably disposed in a housing of the mount 861, the upper tip 882 is disposed at one end of the upper transition lever 881 facing the slider body 87, that is, the upper tip 882 is disposed in an escape groove 871 of the slider body 87, the upper operation lever 883 is disposed on the upper tip 882, and the upper operation lever 883 protrudes from the operation window 873 such that a turning range of the upper operation lever 883 is restricted by the operation window 873, the upper grip lever 884 is disposed at the other end of the upper transition lever 881, in the process in which the upper transition lever 883 and the upper transition lever 88, the upper gripper 884 and the upper lever 883 are also perpendicular to each other, and the upper gripper 884 and the upper transition lever 881 are not in the same plane, the upper lever 883 is swung by the restriction of the operating window 873 on the upper lever 883, the swing of the upper lever 883 drives the swing of the upper gripper 884 to turn, and the control of the lower gripper 89 is also the same, so that the switching between the gripping state and the non-gripping state of the gripper is realized.

According to the catwalk provided with the tackle in the embodiment, the following embodiments can be obtained:

to convey a sucker rod from the ground to the platform, and to illustrate the operation toward the right, as shown in fig. 12, the slider drives the slider body 87 to slide down on the swing arm 86 to the limit, the sliding down of the slider body 87 moves the operating window 873 down, so as to rotate the upper operating rod 883 of the upper jaw 88 and the lower operating rod 893 of the lower jaw 89, so as to turn the upper clamping jaw 884 of the upper jaw 88 and the lower clamping jaw 894 of the lower jaw 89 to one side, and at this time, the sucker rod is put between the mounting seats 861, as shown in fig. 13, the slider drives the slider body 87 to slide up on the swing arm 86 to the limit, the sliding up of the slider body 87 moves the operating window 873 up, so as to rotate the upper operating rod 883 of the upper jaw 88 and the lower operating rod 893 of the lower jaw 89, so as to relatively rotate the upper clamping jaw 884 of the upper jaw 88 and the lower clamping jaw 894 of the lower jaw 89, the sucker rod is clamped. (it should be noted that the upward and downward movement of the slider body 87 brings the clamping jaws into the non-clamping or clamping state, considering the steering arrangement of the operating rod in this embodiment, if the operating rods of the upper jaw 88 and the lower jaw 89 are in the reverse steering arrangement, the upward and downward movement of the slider body 87 will correspond to the clamping and non-clamping states of the clamping jaws, respectively).

After the gripper catches the sucker rod, the upper tube drive 7 drives the rotating shaft 82 to rotate, the rotating shaft 82 drives the swing arm 86 to rotate through the first connecting rod 83 and the hinging action between the second connecting rod 84 and the third connecting rod 85, so that the gripper moves to the position above the pulley 6, at the moment, the gripper is in a non-clamping state according to the operation, the sucker rod falls into the pulley 6, the rotary lifting drive 2 pushes the connecting rod 3 to drive the rotary lifting slide 4 and the folding slide 5 to lift to a required height and push forwards to a certain distance, the pulley 6 is driven by the first drive mechanism to convey in the slide, the sucker rod is driven to move towards a wellhead, and the sucker rod stops after reaching a specified position.

When the sucker rod needs to be conveyed to the ground by the platform, the actions are reversed.

The foregoing is a detailed description of the present invention, and it will be apparent to those skilled in the art that modifications and variations can be made in the foregoing detailed description, and such modifications and variations are considered to be within the scope of the present invention.