Multifunctional drill pipe transport device for oil drilling

Abstract

This utility model relates to the field of oil and gas drilling technology, and in particular to a multifunctional drill pipe transport device for oil drilling. The multifunctional drill pipe transport device includes a frame, a moving mechanism, a supporting mechanism, a first cleaning mechanism, a second cleaning mechanism, and an oiling mechanism. The moving mechanism can drive the frame to move linearly back and forth between the pipe stack and the drill table. The supporting mechanism supports the drill pipe and moves it to the cleaning position. The first and second cleaning mechanisms are respectively located on both sides of the frame along its length to clean the male and female threads of the drill pipe at the cleaning position. The oiling mechanism is located on the first cleaning mechanism for clamping and oiling the male thread of the drill pipe. This device can complete the cleaning of both ends of the drill pipe while transporting it, avoiding the need for additional operations required by separating drill pipe transport and cleaning in the prior art, saving time and ensuring the cleanliness of the drill pipe joints.

Description

Technical Field

[0001] This utility model relates to the field of oil and gas drilling technology, and in particular to a multifunctional drill pipe transport device for oil drilling. Background Technology

[0002] Currently, with the increasing automation level of oil drilling platform operations, highly automated wellhead oil equipment is being used more and more widely. Among them, the catwalk is an indispensable and important piece of equipment for transporting drill pipe up and down between the drilling platform and the ground. Its degree of automation directly affects the efficiency and safety performance of drilling operations.

[0003] The existing catwalks rely on cranes or hoists to lift and position drill rods, and require manual assistance to grab the drill rods, adjust their posture, and place them in the catwalk. The drill rods are then pushed and guided from the catwalk to the drilling platform to achieve the basic transportation function of the drill rods, resulting in low drill rod transmission efficiency and limited functionality. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, this utility model provides a multi-functional drill pipe transport device for oil drilling, which solves the technical problem of the single function and low efficiency of the catwalk in oil drilling.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the main technical solutions adopted by this utility model include:

[0008] This utility model provides a multi-functional drill pipe transport device for oil drilling, including a frame, a moving mechanism, a supporting mechanism, a first cleaning mechanism, a second cleaning mechanism, and an oiling mechanism. The frame is mounted on the moving mechanism, and the supporting mechanism is mounted on the frame. The moving mechanism can drive the frame to move linearly back and forth between the pipe stack and the drill platform. The supporting mechanism is slidably connected to the frame and moves back and forth along the moving direction of the moving mechanism, supporting the drill pipe and driving the drill pipe to the cleaning position. The first cleaning mechanism and the second cleaning mechanism are respectively located on both sides of the frame along its length to clean the male and female threads of the drill pipe at the cleaning position. The oiling mechanism is mounted on the first cleaning mechanism for clamping and oiling the male thread of the drill pipe.

[0009] Preferably, the oiling mechanism includes two jaws and two first drive components; the two first drive components are respectively disposed on the upper and lower sides of the first cleaning mechanism and correspond one-to-one with the two jaws; the first end of the first drive component is connected to the first cleaning mechanism, and the second end of the first drive component is connected to the jaws; the two first drive components simultaneously drive the jaws to move towards each other to clamp on the circumferential direction of the drill pipe male thread; the clamping sides of the two jaws are provided with lubricating oil.

[0010] Preferably, it also includes two lifting mechanisms; the first and second cleaning mechanisms are respectively mounted on the frame via the two lifting mechanisms; the lifting mechanisms on both sides drive the first and second cleaning mechanisms to move vertically up and down.

[0011] Preferably, the support mechanism includes a support frame, a second drive assembly, and a drill rod moving assembly; the support frame is located above the frame body and is slidably connected to the frame body; the fixed end of the second drive assembly is connected to the frame body, and the second drive assembly drives the support frame to reciprocate along the moving direction of the frame body; the drill rod moving assembly is disposed on the support frame to support the drill rod and drive the drill rod to move along its axial direction, thereby bringing the male thread of the drill rod closer to the first cleaning mechanism or bringing the female thread of the drill rod closer to the second cleaning mechanism.

[0012] Preferably, the drill pipe moving assembly includes an active rolling unit and a driven rolling unit, which are spaced apart. The active rolling unit includes an active roller and a first driven roller, whose rolling surfaces are arranged to form a V-shaped structure. The driven rolling unit includes a second driven roller and a third driven roller, whose rolling surfaces are arranged to form a V-shaped structure. The two V-shaped structures support the drill pipe, and when the active roller rotates, the drill pipe moves along its axial direction.

[0013] Preferably, the support mechanism further includes a limiting member; the limiting member is arranged on the support frame along the axial direction of the drill rod; the limiting member has a U-shaped groove to limit the radial sides of the drill rod; a vertical gap is provided between the bottom wall of the U-shaped groove and the outer surface of the drill rod, so that the drill rod is supported by a V-shaped structure.

[0014] Preferably, two through holes are opened on the support frame in the vertical direction; the first cleaning mechanism and the second cleaning mechanism are disposed on the frame and are respectively opposite to the two through holes of the support frame; when the second drive assembly drives the support frame to the cleaning position, the two lifting mechanisms respectively drive the first cleaning mechanism and the second cleaning mechanism to extend out of the two through holes and be opposite to the two ends of the drill rod.

[0015] Preferably, the second drive assembly includes a horizontal telescopic member, a movable guide rail, and rollers; the fixed end of the horizontal telescopic member is connected to the frame, and the telescopic end of the horizontal telescopic member is connected to the support frame; the movable guide rail is disposed on the frame and extends along the moving direction, and the rollers are disposed at the bottom end of the support frame, with the rollers slidably connected to the movable guide rail.

[0016] Preferably, the moving mechanism includes two parallel tracks and a set of moving wheels at the bottom of the frame; the tracks extend along the moving direction, and the moving wheels at both ends of the frame are slidably connected to the two tracks respectively.

[0017] Preferably, it also includes a gripping mechanism; the gripping mechanism is mounted on the frame and is capable of moving vertically to grip the drill rods in the tube stack and place them on the support mechanism.

[0018] (III) Beneficial Effects

[0019] The beneficial effects of this utility model are:

[0020] This utility model discloses a multi-functional drill pipe transport device for oil drilling, comprising a frame, a moving mechanism, a supporting mechanism, a first cleaning mechanism, a second cleaning mechanism, and an oiling mechanism. The frame is mounted on the moving mechanism, and the supporting mechanism is mounted on the frame. The moving mechanism can drive the frame to move linearly back and forth between the tubing stack and the drill platform, thereby enabling the transport of drill pipe between the tubing stack and the drill platform. The supporting mechanism is slidably connected to the frame and moves back and forth along the moving direction of the moving mechanism. The supporting mechanism supports the drill pipe and moves the drill pipe to the cleaning position. The first and second cleaning mechanisms are respectively located on both sides of the frame along its length to clean the male and female threads of the drill pipe at the cleaning position. This allows the device to complete the cleaning of both ends of the drill pipe while transporting it, avoiding the need for additional operations required by separating drill pipe transport and cleaning in existing technologies. This saves time and ensures the cleanliness of the drill pipe joints, providing a guarantee for the smooth progress of subsequent drilling operations. The oiling mechanism, mounted on the first thread-cleaning mechanism, is used to apply oil to the male threads of the drill pipe. It allows for timely oiling during the cleaning of the male threads, achieving integrated cleaning and oiling operations. This device integrates multiple functions, including mobile transport, cleaning of the male and female threads of the drill pipe, and oiling of the male threads. Compared to existing catwalks with limited functionality, it can complete multiple operation steps on a single device, reducing the number of devices and floor space required, lowering equipment and space costs for drilling operations, simplifying the workflow, and improving the automation level and collaborative efficiency of the entire drilling operation. Attached Figure Description

[0021] Figure 1 A first-person view structural schematic diagram of a multi-functional drill pipe transport device for oil drilling.

[0022] Figure 2 A structural schematic diagram of a multi-functional drill pipe transport device for oil drilling from a second-view perspective;

[0023] Figure 3 for Figure 1 A schematic diagram of the structure on which the drill rod is placed on the central support mechanism;

[0024] Figure 4 for Figure 1 An enlarged schematic diagram of part A in the middle;

[0025] Figure 5 for Figure 1 Enlarged schematic diagram of part B in the middle;

[0026] Figure 6 A schematic diagram of the structure for driving the drill pipe moving assembly to move the drill pipe to dock with the first thread cleaning mechanism (the oiling mechanism applies oil to the male thread of the drill pipe);

[0027] Figure 7 for Figure 6 An enlarged schematic diagram of section C;

[0028] Figure 8 A schematic diagram of the structure for driving the drill pipe moving assembly to move the drill pipe to dock with the second cleaning mechanism;

[0029] Figure 9 This is a schematic diagram of the first and second cleaning buckle mechanisms.

[0030] Figure 10 A schematic diagram of the structure in which the oiling mechanism is mounted on the first cleaning mechanism;

[0031] Figure 11 This is a schematic diagram of the oiling mechanism.

[0032] [Explanation of Labels in the Attached Image]

[0033] 1: Frame;

[0034] 2: Moving mechanism; 21: Track; 22: Moving wheels;

[0035] 3: Support mechanism; 31: Support frame; 311: Through hole; 32: Second drive assembly; 321: Horizontal telescopic component; 322: Moving guide rail; 323: Roller; 33: Drill pipe moving assembly; 331: Active rolling unit; 3311: Active roller; 3312: First driven roller; 332: Driven rolling unit; 3321: Second driven roller; 3322: Third driven roller; 34: Limiting component;

[0036] 4: First cleaning mechanism; 41: Brush head assembly; 42: Adjustment assembly; 43: Revolution drive assembly;

[0037] 5: Second cleaning mechanism;

[0038] 6: Oiling mechanism; 61: Gripper; 62: First drive assembly; 621: Fixed base; 622: Telescopic component; 623: Parallelogram connecting rod;

[0039] 7: Lifting mechanism;

[0040] 8: Gripping mechanism; 81: Connecting frame; 82: Lifting assembly; 83: Gripping assembly;

[0041] 9: Drill pipe. Detailed Implementation

[0042] To better explain and facilitate understanding of this utility model, the present utility model will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0043] like Figure 1 and Figure 2 As shown in the figure, this embodiment provides a multi-functional drill pipe transport device for oil drilling. The multi-functional drill pipe transport device includes a frame 1, a moving mechanism 2, a supporting mechanism 3, a first cleaning mechanism 4, a second cleaning mechanism 5, an oiling mechanism 6, and a gripping mechanism 8.

[0044] The frame 1 is mounted on the moving mechanism 2. The gripping mechanism 8 and the support mechanism 3 are both mounted on the frame 1. The moving mechanism 2 drives the frame 1 to move linearly back and forth between the pipe stack and the drill platform, thus enabling the transport of the drill rod 9 between the pipe stack and the drill platform. The gripping mechanism 8 can move vertically to grip the drill rod 9 in the pipe stack and place it on the support mechanism 3. The support mechanism 3 is slidably connected to the frame 1 and moves back and forth on the frame 1 along the moving direction of the moving mechanism 2. When the support mechanism 3 is in the receiving position, it can support and receive the drill rod 9 gripped by the gripping mechanism 8.

[0045] The first cleaning mechanism 4 and the second cleaning mechanism 5 are respectively located on both sides of the frame 1 along its length to clean the male and female threads of the drill pipe 9 at the cleaning position. When the support mechanism 3 moves to the cleaning position, the first cleaning mechanism 4 and the second cleaning mechanism 5 clean the threads on the male and female threads at both ends of the drill pipe 9. This allows the device to complete the cleaning of both ends of the drill pipe 9 while transporting it, avoiding the need for additional operations to separate the transport and cleaning of the drill pipe 9 in the prior art. This saves time and ensures the cleanliness of the drill pipe 9's connection, providing a guarantee for the smooth progress of subsequent drilling operations.

[0046] The oiling mechanism 6, mounted on the first thread-cleaning mechanism 4, is used to apply oil to the male threads of the drill pipe 9. It allows for timely oiling during the cleaning of the male threads, achieving integrated cleaning and oiling operations. This device integrates multiple functions, including mobile transportation, cleaning the drill pipe 9, and applying oil to the male threads. Compared to existing catwalks with limited functionality, it can complete multiple operation steps on a single device, reducing the number of devices and floor space required, lowering equipment and space costs for drilling operations, simplifying the workflow, and improving the automation level and collaborative efficiency of the entire drilling operation.

[0047] like Figure 1 , Figure 9 and Figure 10As shown, the first cleaning mechanism 4 and the second cleaning mechanism 5 have the same structure, the only difference being their installation positions. The first cleaning mechanism 4 is equipped with an oiling mechanism 6 for applying oil to the outer surface of the male thread of the drill pipe 9 via a mounting bracket. Here, the cleaning mechanism refers to a device used to clean the surface of the male or female thread of the drill pipe 9.

[0048] The specific structure and working principle of the first cleaning mechanism 4 and the second cleaning mechanism 5 described in this embodiment can be found in the technical solution described in the invention patent (application number: 202510338289.6). The first cleaning mechanism 4 includes a brush head assembly 41, an adjustment assembly 42, and a revolution drive assembly 43. The adjustment assembly 42 connects the brush head assembly 41 and the revolution drive assembly 43. The rotation axis of the adjustment assembly 42 is the revolution axis, and the adjustment assembly 42 is used to adjust the offset between the axis of the brush head assembly 41 and the revolution axis, so that the head end of the brush head assembly 41 is in contact with the threaded surface of the male or female thread of the drill rod 9, which is coaxial with the revolution axis. The revolution drive assembly 43 is used to drive the adjustment assembly 42 and the brush head assembly 41, whose head end is in contact with the threaded surface, to rotate synchronously around the revolution axis. The brush head assembly 41 rotates synchronously on its own axis while rotating around the revolution axis. The adjusting component 42 adjusts the radial offset of the axis and the revolution axis of the brush head assembly 41 so that the head end of the brush head assembly 41 can fit onto the threaded surface of the male or female threads of drill rods 9 of different diameters. When the head end of the brush head assembly 41 is in contact with the threaded surface to be cleaned, the brush head assembly 41 can be driven by the revolution drive component 43 to rotate circumferentially around the drill rod 9 being cleaned, and the brush head assembly 41 can also rotate to clean the drill rod 9, thereby achieving automatic cleaning of the male and female threads of drill rods 9 of different diameters, reducing the labor intensity of workers, and improving cleaning efficiency and cleaning quality. Further details will not be repeated here. It is worth noting that the cleaning mechanism of this application is not limited to the structure of the aforementioned cited patent, and other technical solutions that can achieve the same cleaning function can also be adopted.

[0049] like Figure 10 As shown, the oiling mechanism 6 includes two jaws 61 and two first drive assemblies 62. The two first drive assemblies 62 are respectively disposed on the upper and lower sides of the first cleaning mechanism 4 and correspond one-to-one with the two jaws 61. The first end of the first drive assembly 62 is connected to the first cleaning mechanism 4, and the second end of the first drive assembly 62 is connected to the jaws 61. The two first drive assemblies 62 simultaneously drive the jaws 61 to move towards each other to clamp the male thread of the drill pipe 9 in the circumferential direction. Lubricating oil is provided on the clamping side of the two jaws 61. Figure 11As shown, each of the first drive components 62 includes a telescopic member 622, a fixed base 621, and two sets of parallelogram connecting rods 623. The fixed base 621 is mounted on the mounting frame of the first cleaning buckle mechanism 4. The two sets of parallelogram connecting rods 623 are arranged in parallel, and their first sides are respectively hinged to the two sides of the fixed base 621. The two sets of parallelogram connecting rods 623 are connected by a connecting rod. The fixed end of the telescopic member 622 is hinged to the fixed base 621, and the telescopic end of the telescopic member 622 is hinged to the connecting rod. The second side of each parallelogram connecting rod 623 is connected to the gripper 61. When the telescopic members 622 of the two first drive components 62 extend, the upper and lower jaws 61 approach and clamp the male thread of the drill pipe 9 in the circumferential direction. One side of the jaw 61 is provided with an arc-shaped part that matches the outer circumference of the male thread of the drill pipe 9. A groove for accommodating lubricating oil is opened on the arc-shaped part. When the jaw 61 clamps the outer circumference of the male thread of the drill pipe 9, the lubricating oil is coated on the outer circumference of the male thread of the drill pipe 9, thereby achieving contact oiling.

[0050] In this embodiment, the axial direction of the drill pipe 9 in the tube stack is perpendicular to the moving direction of the moving mechanism 2. For example... Figure 1 and Figure 2 As shown, the moving mechanism 2 includes a drive assembly, two tracks 21, and moving wheels 22 located at the bottom of the frame 1. The two tracks 21 are spaced apart and parallel, extending along the moving direction of the moving mechanism 2. The moving wheels 22 at both ends of the frame 1 are slidably connected to the two tracks 21 respectively. The drive assembly drives the moving wheels 22 at the bottom of the frame 1 to reciprocate on the tracks 21. The cooperation between the double tracks 21 and the moving wheels 22 provides stable support, reduces shaking during operation, and ensures the safe transport of the drill pipe 9. The moving wheels 22 utilize rolling friction for movement, reducing energy consumption and maintenance requirements, making them suitable for long-term continuous operation.

[0051] like Figure 2 As shown, the gripping mechanism 8 includes a connecting frame 81, a lifting assembly 82, and a gripping assembly 83. The lifting assembly 82 is mounted on the frame 1 via the connecting frame 81. The lifting assembly 82 may include a drive component, a slide rail, and a slider. The slider is mounted on the connecting frame 81 and slidably connected to the slide rail. The gripping assembly 83 is located at the end of the slide rail, which extends vertically. The drive component drives the slide rail to slide along the vertical direction of the slider, thereby moving the gripping assembly 83 up and down. Through the sliding cooperation between the slide rail and the slider, stable vertical movement of the gripping assembly 83 is achieved, improving the gripping accuracy of the drill rod 9. It should be noted that the specific structure of the gripping assembly 83 in the gripping mechanism 8 is not specifically limited here; it can be selected according to actual needs, as long as it can achieve the gripping function of the drill rod 9.

[0052] like Figure 1As shown, the multi-functional drill pipe transport device also includes two lifting mechanisms 7. The first cleaning mechanism 4 and the second cleaning mechanism 5 are respectively mounted on the frame 1 via the two lifting mechanisms 7. The lifting mechanisms 7 on both sides drive the first cleaning mechanism 4 and the second cleaning mechanism 5 to move vertically up and down. By setting up the lifting mechanisms 7, the height of the cleaning mechanisms can be flexibly adjusted according to the size of the drill pipe 9 and the operational requirements. When the drill pipe 9 is transported to the cleaning position, the lifting mechanism 7 drives the cleaning mechanism to move vertically up and down, aligning it with the male and female threads of the drill pipe 9. At the same time, the lifting function can retract the cleaning mechanisms when not in operation, reducing the space occupied by the equipment and improving the adaptability and safety of the device.

[0053] like Figure 3 As shown, the support mechanism 3 includes a support frame 31, a second drive assembly 32, and a drill rod moving assembly 33. The support frame 31 is located above the frame 1 and is slidably connected to the frame 1. The fixed end of the second drive assembly 32 is connected to the frame 1. The second drive assembly 32 drives the support frame 31 to reciprocate along the moving direction of the frame 1. The drill rod moving assembly 33 is disposed on the support frame 31 to support the drill rod 9 and drive the drill rod 9 to move along its axial direction, thereby bringing the male thread of the drill rod 9 closer to the first cleaning mechanism 4 or the female thread of the drill rod 9 closer to the second cleaning mechanism 5. The second drive assembly 32 drives the support frame 31 to move along the frame 1, sending the drill rod 9 from the receiving support position to the cleaning position. The drill rod moving assembly 33 further drives the drill rod 9 to move along its own axial direction, so that the male thread aligns with the first cleaning mechanism 4 or the female thread aligns with the second cleaning mechanism 5. There is no need for manual adjustment of the drill rod 9's posture, which greatly improves cleaning efficiency and automation.

[0054] like Figure 4 and Figure 5 As shown, the drill pipe moving assembly 33 includes an active rolling unit 331 and a driven rolling unit 332, which are spaced apart. The active rolling unit 331 includes an active roller 3311 and a first driven roller 3312, whose rolling surfaces are arranged in a V-shape. The driven rolling unit 332 includes a second driven roller 3321 and a third driven roller 3322, whose rolling surfaces are also arranged in a V-shape. The two V-shapes support the drill pipe 9. When the active roller 3311 rotates, the drill pipe 9 moves along its axial direction. The rotation of the active roller 3311 drives the drill pipe 9 to translate along its axis, and stable transmission is achieved by utilizing the contact friction between the V-groove and the outer surface of the drill pipe 9. This structure can be adapted to drill pipes 9 of different diameters. Meanwhile, the V-shaped layout ensures that drill pipe 9 remains centered during movement, aligning with the cleaning mechanism and improving the stability of drill pipe 9 movement.

[0055] like Figure 4As shown, in this embodiment, the support mechanism 3 further includes two limiting members 34. The two limiting members 34 are arranged at intervals on the support frame 31 along the axial direction of the drill rod 9. The limiting members 34 have U-shaped grooves to limit the radial sides of the drill rod 9, preventing the drill rod 9 from shaking significantly during movement and causing it to fall off, thus ensuring that the drill rod 9 always moves stably along the axial direction. A vertical gap is provided between the bottom wall of the U-shaped groove and the outer surface of the drill rod 9, so that the drill rod 9 is supported by a V-shaped structure, avoiding direct contact between the limiting members 34 and the drill rod 9 to prevent wear, thus combining the limiting function with the protection of the drill rod 9, and further improving the operational reliability of the device.

[0056] like Figure 3 As shown, two through holes 311 are opened on the support frame 31 along the vertical direction. The first cleaning mechanism 4 and the second cleaning mechanism 5 are set on the frame 1. The first cleaning mechanism 4 and the second cleaning mechanism 5 are respectively opposite to the two through holes 311 of the support frame 31. When the second drive assembly 32 drives the support frame 31 to the cleaning position, the two lifting mechanisms 7 respectively drive the first cleaning mechanism 4 and the second cleaning mechanism 5 to extend out of the two through holes 311 and be opposite to the two ends of the drill rod 9.

[0057] like Figures 3-5 As shown, the second drive assembly 32 includes a horizontal telescopic member 321, a moving guide rail 322, and a roller 323. The fixed end of the horizontal telescopic member 321 is connected to the frame 1, and the telescopic end of the horizontal telescopic member 321 is connected to the support frame 31. The moving guide rail 322 is mounted on the frame 1 and extends along the moving direction. The roller 323 is located at the bottom end of the support frame 31 and is slidably connected to the moving guide rail 322. The moving guide rail 322 and the roller 323 work together to guide the movement, reducing frictional resistance and making the movement of the support frame 31 more stable and precise.

[0058] The multi-functional drill pipe transport device transport process: The moving mechanism 2 moves the frame 1 to the pipe stack. The lifting component 82 in the gripping mechanism 8 lowers the gripping component 83 to grip the drill pipe 9. After gripping the drill pipe 9, the lifting component 82 raises the gripping component 83. At this time, the second drive component 32 of the support mechanism 3 drives the support frame 31 to move horizontally to the support receiving position, i.e., below the gripping component 83. The lifting component 82 lowers the gripping component 83, and the gripping component 83 opens to place the drill pipe 9 on the drill pipe moving component 33. The lifting component 82 then moves the gripping component 83 upward to avoid obstruction. The second drive component 32 of the support mechanism 3 then drives the support frame 31 to move horizontally to the cleaning position. The lifting mechanism 7 drives the cleaning buckle mechanism to extend from the through hole 311 of the support frame 31, aligning with the male and female buckles at both ends of the drill pipe 9. Figure 6 As shown, the drill pipe moving assembly drives the drill pipe 9 closer to the first cleaning mechanism 4, and the first cleaning mechanism 4 cleans the male threads of the drill pipe 9, as shown. Figure 7 As shown, the oiling mechanism 6 clamps and applies oil to the male thread of the drill pipe 9. Once the male thread of the drill pipe 9 is cleaned, as... Figure 8 As shown, the drill pipe moving assembly 33 drives the drill pipe 9 to move closer to the second cleaning mechanism 5, which cleans the female thread of the drill pipe 9. It should be noted that during the cleaning process of the first cleaning mechanism 4 and the second cleaning mechanism 5, the moving mechanism 2 moves the frame 1 to the vicinity of the drill platform to facilitate subsequent transfer of the drill pipe 9.

[0059] In the description of this utility model, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0060] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0061] In this utility model, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "beneath" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0062] In the description of this specification, the terms "one embodiment," "some embodiments," "embodiment," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0063] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make modifications, alterations, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A multifunctional pipe transport device for oil drilling, characterized by, It includes a frame (1), a moving mechanism (2), a supporting mechanism (3), a first cleaning mechanism (4), a second cleaning mechanism (5), and an oiling mechanism (6); The frame (1) is mounted on the moving mechanism (2), and the supporting mechanism (3) is mounted on the frame (1). The moving mechanism (2) can drive the frame (1) to move linearly back and forth between the pipe stack and the drilling platform. The support mechanism (3) is slidably connected to the frame (1). The support mechanism (3) moves back and forth along the moving direction of the moving mechanism (2). The support mechanism (3) supports the drill rod (9) and drives the drill rod (9) to move to the cleaning position. The first cleaning mechanism (4) and the second cleaning mechanism (5) are respectively arranged on both sides of the frame (1) along the length direction to clean the male and female threads of the drill rod (9) at the cleaning position; The oiling mechanism (6) is mounted on the first cleaning mechanism (4) and is used to apply oil to the male thread clamp of the drill rod (9).

2. The multi-functional drill pipe transport device for oil drilling as described in claim 1, characterized in that: The oiling mechanism (6) includes two grippers (61) and two first drive components (62); The two first drive components (62) are respectively disposed on the upper and lower sides of the first buckle mechanism (4) and are respectively disposed in correspondence with the two grippers (61); The first end of the first drive assembly (62) is connected to the first cleaning buckle mechanism (4), and the second end of the first drive assembly (62) is connected to the gripper (61); The two first drive components (62) simultaneously drive the jaws (61) to move toward each other to clamp the drill rod (9) in the circumferential direction of the male thread; The clamping sides of the two jaws (61) are provided with lubricating oil.

3. The multifunctional pipe skid for oil drilling as claimed in claim 2, wherein: It also includes two lifting mechanisms (7); The first cleaning buckle mechanism (4) and the second cleaning buckle mechanism (5) are respectively mounted on the frame (1) via two lifting mechanisms (7); The lifting mechanisms (7) on both sides drive the first cleaning mechanism (4) and the second cleaning mechanism (5) to move vertically up and down.

4. The multifunctional pipe skid for oil drilling as claimed in claim 3, wherein: The support mechanism (3) includes a support frame (31), a second drive assembly (32), and a drill pipe moving assembly (33); The support frame (31) is located above the frame (1), the support frame (31) is slidably connected to the frame (1), the fixed end of the second drive component (32) is connected to the frame (1), and the second drive component (32) drives the support frame (31) to reciprocate along the moving direction of the frame (1); The drill rod moving assembly (33) is disposed on the support frame (31) to support the drill rod (9) and drive the drill rod (9) to move along its axial direction, thereby bringing the male thread of the drill rod (9) closer to the first cleaning mechanism (4) or bringing the female thread of the drill rod (9) closer to the second cleaning mechanism (5).

5. The multi-functional drill pipe transport device for oil drilling as described in claim 4, characterized in that: The drill pipe moving assembly (33) includes an active rolling unit (331) and a driven rolling unit (332), wherein the active rolling unit (331) and the driven rolling unit (332) are arranged at intervals. The active rolling unit (331) includes an active roller (3311) and a first driven roller (3312), and the rolling surfaces of the active roller (3311) and the first driven roller (3312) are arranged to form a V-shaped structure. The driven rolling unit (332) includes a second driven roller (3321) and a third driven roller (3322), and the rolling surfaces of the second driven roller (3321) and the third driven roller (3322) are arranged to form a V-shaped structure; The two V-shaped structures support the drill rod (9), and the drill rod (9) moves along its axial direction when the drive roller (3311) rotates.

6. The multifunctional pipe skid for oil drilling as claimed in claim 5, wherein: The support mechanism (3) also includes a limiting member (34); The limiting member (34) is arranged on the support frame (31) along the axial direction of the drill rod (9); The limiting member (34) has a U-shaped groove to limit the radial sides of the drill rod (9); A vertical gap is provided between the bottom wall of the U-shaped groove and the outer surface of the drill rod (9), so that the drill rod (9) is supported by the V-shaped structure.

7. The multifunctional pipe skid for oil drilling as claimed in claim 4, wherein: Two through holes (311) are provided on the support frame (31) along the vertical direction; The first cleaning buckle mechanism (4) and the second cleaning buckle mechanism (5) are disposed on the frame (1) and are respectively opposite to the two through holes (311) of the support frame (31); When the second drive assembly (32) moves the support frame (31) to the cleaning position, the two lifting mechanisms (7) respectively drive the first cleaning mechanism (4) and the second cleaning mechanism (5) to extend out of the two through holes (311) and face the two ends of the drill rod (9).

8. The multi-functional drill pipe transport device for oil drilling as described in claim 4, characterized in that: The second drive assembly (32) includes a horizontal telescopic member (321), a moving guide rail (322), and a roller (323); The fixed end of the horizontal telescopic component (321) is connected to the frame (1), and the telescopic end of the horizontal telescopic component (321) is connected to the support frame (31). The movable guide rail (322) is disposed on the frame (1) and extends along the moving direction. The roller (323) is disposed at the bottom end of the support frame (31) and is slidably connected to the movable guide rail (322).

9. The multi-functional drill pipe transport device for oil drilling as described in claim 1, characterized in that: The moving mechanism (2) includes two parallel tracks (21) and a moving wheel (22) located at the bottom of the frame (1); The track (21) extends along the direction of movement, and the moving wheels (22) at both ends of the frame (1) are slidably connected to the two tracks (21) respectively.

10. The multi-functional drill pipe transport device for oil drilling as described in claim 1, characterized in that: It also includes a grabbing mechanism (8); The gripping mechanism (8) is mounted on the frame (1) and can move vertically to grip the drill rod (9) in the tube stack and place it on the support mechanism (3).

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