CN114890152B

CN114890152B - Automatic stacker crane for minor repair process of oil well

Info

Publication number: CN114890152B
Application number: CN202210811448.6A
Authority: CN
Inventors: 成涛; 王茂华; 崔明涛; 孙伟强; 王涛; 张晨; 颜琪
Original assignee: Shengli Oilfield Xinhai Xingda Industrial Group Co ltd
Current assignee: Shengli Oilfield Xinhai Xingda Industrial Group Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2022-09-23
Anticipated expiration: 2042-07-12
Also published as: CN114890152A

Abstract

The invention relates to the technical field of oil well maintenance supporting equipment, in particular to an automatic stacker crane for an oil well minor repair process. An automatic stacker crane for an oil well minor repair process comprises a fixing frame, a guide plate rotationally arranged on the fixing frame, a driving piece for driving the guide plate to swing and a lifting and clamping assembly for swinging and clamping an oil pipe along with the swing of the guide plate. When the oil pipe is supported, the clamping plate rotates to clamp the oil pipe under the action of gravity, and the clamping plate rotates to enlarge the clamping range of the oil pipe, so that the oil pipe can be further reduced from inclining and sliding, and safety accidents are avoided.

Description

Automatic stacker crane for minor repair process of oil well

Technical Field

The invention relates to a supporting device for oil well maintenance, in particular to an automatic stacker crane for a minor repair process of an oil well.

Background

The minor repair operation of the oil well is the most important and most common conventional process for stabilizing the yield of the oil field. In the pump inspection process of minor repair operation, an oil outlet pipe is lifted from an oil well, and the oil pipe needs to be stacked after online cleaning. Because the oil pipe is longer, the condition that the oil pipe inclines and slides off frequently occurs in the carrying operation process, and safety accidents are caused. In the handling process, especially in the earlier stage of lifting process, owing to can exert ascending lift to oil pipe, if this in-process takes place oil pipe slope, then make oil pipe one end whereabouts very easily, the other end perk, oil pipe takes place to roll and leads to the fact the incident.

In the prior art, the gravity center position of an oil pipe is positioned by a visual identification technology, but because the width of the clamping jaw is limited, the gravity center still deviates out of the clamping range of the clamping jaw in the actual operation process.

Disclosure of Invention

In order to solve the problems in the background art, the invention provides an automatic stacker crane for an oil well minor repair process.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

an automatic stacker crane for minor repair process of an oil well comprises a fixed frame, a guide plate rotationally arranged on the fixed frame, a driving piece for driving the guide plate to swing, and a lifting clamp assembly for swinging, rotating and clamping an oil pipe along with the swing of the guide plate; the slope sets up lift clamp subassembly is including being fixed in the sleeve that sets up in pairs on the deflector, and the sleeve inner wall is provided with two vertical spouts along the axial direction symmetry, and the end of two vertical spouts is provided with the spiral spout, and the sleeve interpolation has the slide bar, and the symmetry is fixed on the lateral wall of slide bar and is set up the slider, slider and vertical spout, spiral spout sliding fit, and the fixed curved splint that set up in top of slide bar are fixed between telescopic bottom surface and the slide bar and are provided with the spring.

Further, a rubber layer is arranged on the clamping plate.

Furthermore, the opening direction of the clamping plate is arranged towards the direction of the fixing frame.

Further, the fixed frame and the driving piece are fixedly arranged on the sliding seat, and the sliding seat is arranged on the first base in a sliding mode.

Furthermore, first base is provided with T shape spout, and fixed the setting motor on the first base rotates on the first base and is provided with the threaded rod that is located T shape spout, the rotation axis and the threaded rod fixed connection of motor, the bottom of slide spacing slip set up in T shape spout and with threaded rod threaded connection.

Further, the driving member is a cylinder.

Further, the automatic stacker crane for the minor oil well workover process further comprises a collecting box used for placing an oil pipe, a bottom plate which is obliquely and downwards arranged away from the direction of the guide plate is arranged on the bottom surface of the collecting box, and an inclined surface facing the inside of the collecting box is arranged on the upper surface of the side wall, close to the guide plate, of the collecting box.

Furthermore, a support is arranged on one side of the guide plate and comprises a second base, a plurality of fixing rods are fixedly arranged on the second base, L-shaped placing plates which are obliquely and downwards arranged towards the direction of the guide plate are fixedly arranged at the tops of the fixing rods, and the number of the L-shaped placing plates is at least two.

Furthermore, the number of the lifting clamp assemblies is two, and the two lifting clamp assemblies are respectively and correspondingly arranged at two ends of the oil pipe.

Compared with the prior art, when the oil pipe is supported, the clamping plate rotates to clamp the oil pipe due to the gravity effect, and meanwhile, the clamping range of the oil pipe is expanded due to the rotation of the clamping plate, so that the situation that the oil pipe inclines and slides down can be further reduced, and safety accidents are avoided.

Drawings

FIG. 1 is a schematic structural view of embodiment 1 of the present invention;

FIG. 2 is a schematic structural diagram of another perspective view of embodiment 1 of the present invention;

FIG. 3 is a schematic structural view of a guide plate in embodiment 1 of the present invention;

FIG. 4 is a schematic structural view of a sleeve in embodiment 1 of the present invention;

FIG. 5 is a schematic view showing a state where the oil pipe is gripped by the clamping plates in embodiment 1;

FIG. 6 is a schematic view showing a first state of a guide plate in embodiment 1;

FIG. 7 is a schematic view showing a second state of a guide plate in embodiment 1;

FIG. 8 is a schematic view showing a third state of a guide plate in embodiment 1;

FIG. 9 is a schematic structural view of embodiment 2 of the present invention;

FIG. 10 is a schematic structural diagram of another perspective view of embodiment 2 of the present invention;

fig. 11 is a schematic structural view of a guide plate in embodiment 2 of the present invention.

In the figure: 1. a guide plate; 2. a fixed mount; 3. a slide base; 4. a cylinder; 5. an L-shaped fixing plate; 6. a sleeve; 7. a vertical chute; 8. a spiral chute; 9. a slide bar; 10. a slider; 11. a spring; 12. a splint; 13. a rubber layer; 14. a first base; 15. a T-shaped chute; 16. a motor; 17. a threaded rod; 18. a collection box; 19. a base plate; 20. an inclined surface; 21. a second base; 22. fixing the rod; 23. an L-shaped placing plate; 24. an oil pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Example 1

An automatic stacker crane for minor repair process of an oil well comprises a guide plate 1. The bottom of deflector 1 articulates there is mount 2, the bottom fixedly connected with slide 3 of mount 2. One side of the bottom end of the guide plate 1 is hinged with the telescopic end of the cylinder 4. The bottom end of the cylinder 4 is hinged with the sliding seat 3. The guide plate 1 is controlled to rotate and swing on the fixed frame 2 through the expansion and contraction of the air cylinder 4.

One end of the guide plate 1 is fixedly provided with a lifting clamp component. The lifting and clamping assembly comprises two L-shaped fixing plates 5. Two L-shaped fixing plates 5 are fixedly arranged at one end of the guide plate 1. The end of the L-shaped fixing plate 5 is provided with an inclined surface, and a sleeve 6 is fixedly connected on the inclined surface. Two vertical sliding grooves 7 and two spiral sliding grooves 8 are formed in the inner wall of the sleeve 6. Two vertical chutes 7 and two spiral chutes 8 are respectively arranged oppositely, and the vertical chutes 7 are connected with the spiral chutes 8 end to end. A sliding rod 9 is arranged inside the sleeve 6 in a sliding mode, and two sliding blocks 10 are symmetrically and fixedly connected to the bottom of the side wall of the sliding rod 9. The slide block 10 is in sliding fit with the vertical sliding groove 7 and the spiral sliding groove 8. A spring 11 is fixed at the bottom end of the sliding rod 9, and the other end of the spring 11 is fixed with the sliding rod 9. The top end of the sliding rod 9 is fixedly connected with an arc-shaped clamping plate 12, and the inner side of the clamping plate 12 is fixedly connected with a rubber layer 13. The opening of the clamping plate 12 is arranged towards the guide plate 1.

The top of the first base 14 is provided with a T-shaped sliding chute 15. The bottom end of the sliding seat 3 is a T-shaped sliding block. The T-shaped sliding block is connected with the T-shaped sliding groove 15 in a limiting and sliding manner. The end of the T-shaped sliding groove 15 is fixedly connected with a motor 16, a motor shaft of the motor 16 is fixedly connected with a threaded rod 17, and the threaded rod 17 is rotatably arranged on the first base 14. The T-shaped slider is in threaded connection with the threaded rod 17.

The other side of the first base 14 is provided with a second base 21. Two L-shaped placing plates 23 are arranged above the second base 21. The L-shaped placing plate 23 has an inclination angle which is inclined downwards towards the guide plate 1. Two fixing rods 22 are fixedly connected to the bottom end of each L-shaped placing plate 23, and the bottom ends of the fixing rods 22 are fixedly connected with the second base 21. The number of the L-shaped placing plates 23 can be set reasonably according to the length of the oil pipe 24, but should be at least two and located at the two ends of the oil pipe 24.

As a common knowledge technology, a camera can be arranged outside the stacker crane to measure the length of the oil pipe 24, the middle point position of the oil pipe 24 is judged, and the motor 16 is controlled to rotate, so that the middle point position of the oil pipe 24 is positioned between the two clamping plates 12.

In this embodiment, the width of the guide plate 1 is adapted to the length of the oil pipe 24, so that the oil pipe 24 does not topple or deflect when sliding on the guide plate 1 and dropping into the collection box 18. Two clamping plates 12 are provided corresponding to both ends of the oil pipe 24, respectively.

Fig. 1 to 4 all show the initial state of the device, i.e. the guide plate 1 is in the first state. Wherein: the guide plate 1 has a certain inclination angle, specifically refer to fig. 6; the position of the clamping plate 12 is higher than that of the guide plate 1, namely, the left end of the clamping plate 12 is higher than the right end of the guide plate 1, which is specifically referred to fig. 6.

When the external tubing transport drops the tubing 24 onto the two L-shaped laying plates 23, the length of the tubing 24 is measured by an external camera and the midpoint position of the tubing 24 is determined, and the controller will then activate the motor 16. The threaded rod 17 is driven by the motor 16 to rotate, and the slide 3 can move in the T-shaped sliding groove 15 through the threaded connection between the slide 3 and the threaded rod 17. The slide carriage 3 drives the guide plate 1 and the clamping plate 12 to move through the fixing frame 2, and when the center line of the width direction of the guide plate 1 is displaced to correspond to the midpoint of the oil pipe 24, the motor 16 is turned off. At this time, the positional relationship of the guide plate 1, the clamp plate 12, and the oil pipe 24 is as shown in fig. 6.

The cylinder 4 is then actuated to contract, thereby rotating the guide plate 1, bringing the clamping plate 12 and the rubber layer 13 up and close to contact the oil pipe 24. After the rubber layer 13 is contacted with the oil pipe 24, the sliding rod 9 can move downwards in the vertical sliding chute 7 through the sliding block 10 under the action of the gravity of the oil pipe 24. When the slide 10 moves to the end of the vertical sliding chute 7, which is the state shown in fig. 7, the left end of the clamping plate 12 is flush with the guide plate 1, and the guide plate 1 is in the second state. During this process, the spring 11 will be gradually compressed and have elastic potential energy.

An included angle between the lower sliding rod 9 and the horizontal plane is set to be theta, and the gravity of the oil pipe 24 is set to be 2G. The acting force F1 applied by the oil pipe 24 on the axial direction of the lower sliding rod 9 is G multiplied by sin theta, namely a formula: f1= G × sin θ.

Assuming that the spring 11 is in a natural state, the lower slide 9 is located at the top end of the vertical slide 7. When the lower slide bar 9 slides in the sleeve 6 by a distance L, the reaction force F2= L × γ of the spring 11 received by the oil pipe 24 through the lower slide bar 9 is γ, which is the elastic coefficient of the spring 11.

The axial length of the vertical sliding chute 7 is A, and the axial length of the spiral sliding chute 8 is B.

Then, during the process of further rotation of the guide plate 1, the slide rod 9 will continue to slide downwards through the slide block 10 under the gravity of the oil pipe 24, and at this time, the slide block 10 enters the spiral chute 8. In the process that the sliding rod 9 descends, the sliding rod 9 can rotate to drive the clamping plate 12 to rotate, and therefore the oil pipe 24 is limited, clamped and fixed. The two clamping plates 12 are in this case in the position shown in fig. 5. After the clamp 12 catches the outer wall of the oil pipe 24, the clamp 12 cannot rotate any more and the slide rod 9 cannot be displaced downwards in the sleeve 6. The end of the clamp plate 12 below the tubing 24 is rotated towards the ends of the tubing 24, increasing the range over which the tubing 24 can be lifted.

Then, in the process of further rotating the guide plate 1, the clamping plate 12 lifts the oil pipe 24 upwards, so that the oil pipe 24 is separated from the L-shaped placing plate 23. At this time, the cylinder 4 is temporarily turned off, and the motor 16 is started, so that the guide plate 1 and the clamping plate 12 drive the oil pipe 24 to move to the midpoint position of the collection box 18, i.e. the midpoint position of the oil pipe 24 is aligned with the midpoint position of the collection box 18. In the process, the two clamping plates 12 clamp the two ends of the oil pipe 24, so that the oil pipe 24 cannot shake in the moving process of the oil pipe 24, the middle positions of the two clamping plates 12 correspond to the gravity center position of the oil pipe 24, and the oil pipe 24 cannot incline due to gravity center deviation to accidentally injure workers.

In the process, theta gradually becomes smaller, and the acting force F1= G x sin theta ≧ (A + B) gamma applied to the axial direction of the lower slide bar 9 by the oil pipe 24. The clamping plate 12 can be twisted to clamp the outer wall of the oil pipe 24 under the gravity action of the oil pipe 24 when the above conditions are met.

The cylinder 4 is continuously started, so that the guide plate 1 and the clamping plate 12 continuously drive the oil pipe 24 to rotate. In the process, the force of the oil pipe 24 acting on the axial direction of the lower slide rod 9 is gradually reduced. As the force acting on the spring 11 through the lower slide 9 becomes smaller, the spring 11 will gradually push the slide 9 to move upwards. When the slide 10 moves to the bottom end of the vertical chute 7, the clamping plate 12 has now been rotated in the reverse direction by some degree, i.e. no longer clamps the oil pipe 24.

In this process, θ continues to become smaller, the force F1= G × sin θ = L γ applied by the oil pipe 24 in the axial direction of the lower slide bar 9, and the elastic force of the spring 11 and the gravity of the oil pipe 24 are in a dynamic equilibrium state. When the slider 10 moves to the bottom end of the vertical chute 7, F1= G × sin θ = a γ. The clamping plate 12 gradually changes from being twisted to clamping the outer wall of the oil pipe 24 to being separated from the clamping limit of the oil pipe 24 under the combined action of the elastic force of the spring 11 and the gravity of the oil pipe 24.

As the clamp plate 12 is raised, the oil pipe 24 moves from the arcuate bottom to the opening relative to the position of the clamp plate 12.

When the left end of the clamp plate 12 is in abutment with the guide plate 1 and is in a flush condition, the guide plate is in a third condition as shown in figure 8. At this time, the cylinder 4 is turned off and the upper surface of the guide plate 1 abuts against the inclined surface 20. Since the oil pipe 24 has its center of gravity positioned beyond the limit of the clamp 12, the oil pipe 24 rolls out of the clamp 12 and falls onto the bottom plate 19 through the guide plate 1 and the inclined surface 20. At this time, the clamping plate 12 is free from the gravity action of the oil pipe 24, so the sliding rod 9 moves upwards under the elastic action of the spring 11, the sliding block 10 is displaced to the top end of the vertical sliding chute 7, and the clamping plate 12 is restored to the initial position.

In this process, θ becomes further smaller. The force F1= G × sin θ = L γ applied by the oil pipe 24 in the axial direction of the lower slide bar 9, and the elastic force of the spring 11 and the gravity of the oil pipe 24 are in a dynamic equilibrium state.

Because the bottom plate 19 is inclined, the oil pipe 24 will roll to the left of the bottom plate 19, facilitating the next oil pipe 24 to roll onto the bottom plate 19. When a layer of oil pipe 24 is fully paved on the top surface of the bottom plate 19, a flat plate can be placed on the layer of oil pipe 24, so that the next layer of oil pipe 24 can be conveniently stacked.

In this embodiment, the rubber layer 13 is disposed on the clamping plate 12, so that the clamping degree of the oil pipe 24 by the clamping plate 12 has a certain variation range. Since the diameter variation of the oil pipe 24 is small, the above-mentioned operation can be performed on the oil pipe 24 within a certain diameter range by providing the rubber layer 13.

Example 2

The present embodiment is different from embodiment 1 in that there are two fixing frames 2.

Each fixing frame 2 is provided with a guide plate 1 in a rotating way. Each fixing frame 2 is provided with a driving piece for driving the guide plate 1 to swing. Each guide plate 1 is provided with a lifting clamp assembly.

The two lifting and clamping components are respectively and correspondingly arranged at two ends of the oil pipe 24.

Both ends of the oil pipe 24 slide down into the collection tank 18 through one guide plate 1, respectively.

Example 3

The present embodiment is different from embodiment 1 in that there are two fixing frames 2. The guide plate 1 is rotatably arranged on the two fixing frames 2. The two fixing frames 2 are positioned at two ends of the guide plate 1 in the width direction. The guide plate 1 is provided with a lifting clamp assembly.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides an automatic hacking machine that oil well minor repair technology was used, includes mount (2), rotates deflector (1), the wobbling driving piece of drive deflector (1) that sets up on mount (2), its characterized in that still includes: the lifting clamp assembly swings with the guide plate (1) to clamp the oil pipe (24) in a swinging manner;

the obliquely arranged lifting and clamping assembly comprises sleeves (6) which are fixed on the guide plate (1) and are arranged in pairs, two vertical sliding grooves (7) are symmetrically arranged on the inner wall of each sleeve (6) along the axial direction, spiral sliding grooves (8) are formed in the tail ends of the two vertical sliding grooves (7), sliding rods (9) are inserted into the sleeves (6), sliding blocks (10) are symmetrically and fixedly arranged on the side walls of the sliding rods (9), the sliding blocks (10) are in sliding fit with the vertical sliding grooves and the spiral sliding grooves, arc-shaped clamping plates (12) are fixedly arranged at the top ends of the sliding rods (9), and springs (11) are fixedly arranged between the bottom surfaces of the sleeves (6) and the sliding rods (9);

slide bar (9) can continue to slide downwards through slider (10) under oil pipe (24)'s action of gravity, and during slider (10) had got into spiral spout (8) this moment, at the in-process that slide bar (9) descend, slide bar (9) can carry out the rotation, and then drive splint (12) and rotate to carry out spacing centre gripping fixed to oil pipe (24).

2. An automated palletizer for minor workover procedures according to claim 1, wherein the clamping plate (12) is provided with a rubber layer (13).

3. An automated palletizer for oil well minor repair processes according to claim 1, characterized in that the opening direction of the clamping plate (12) is arranged towards the direction of the fixed frame (2).

4. The automatic stacker crane for minor workover treatment of oil well according to claim 1, characterized in that the fixed mount (2) and the driving member are fixedly arranged on the sliding seat (3), and the sliding seat (3) is slidably arranged on the first base (14).

5. The automatic stacker crane for the minor workover process of the oil well is characterized in that a T-shaped sliding groove (15) is formed in the first base (14), a motor (16) is fixedly arranged on the first base (14), a threaded rod (17) located in the T-shaped sliding groove (15) is rotatably arranged on the first base (14), a rotating shaft of the motor (16) is fixedly connected with the threaded rod (17), and the bottom limiting sliding part of the sliding seat (3) is arranged in the T-shaped sliding groove (15) in a sliding mode and is in threaded connection with the threaded rod (17).

6. An automated palletizer for oil well minor workover processes according to claim 4, characterized in that the driving member is a cylinder (4).

7. The automatic stacker crane for the minor workover process of the oil well is characterized by further comprising a collecting box (18) for placing an oil pipe (24), wherein the bottom surface of the collecting box (18) is provided with a bottom plate (19) which is obliquely and downwards arranged away from the guide plate (1), and the upper surface of the side wall of the collecting box (18) close to the guide plate (1) is provided with an inclined surface facing the inside of the collecting box (18).

8. The automatic stacker crane for the minor workover process of the oil well is characterized in that one side of the guide plate (1) is provided with a support, the support comprises a second base (21), a plurality of fixing rods (22) are fixedly arranged on the second base (21), the top ends of the fixing rods (22) are fixedly provided with L-shaped placing plates (23) which are obliquely and downwards arranged towards the direction of the guide plate (1), and the number of the L-shaped placing plates (23) is at least two.

9. The automatic stacker crane for minor workover treatment of oil wells according to claim 1, wherein the number of the lifting and clamping assemblies is two, and the two lifting and clamping assemblies are respectively and correspondingly arranged at two ends of the oil pipe (24).