Buckle cleaning and oiling device for oil and gas drilling

Abstract

The invention relates to a buckle cleaning and oiling device for oil and gas drilling. The buckle cleaning and oiling device comprises a lifting assembly, a power assembly, a buckle cleaning assembly, a limiting assembly and an oiling assembly. The lifting assembly is fixed to a drilling platform, the power assembly is installed on the lifting assembly, and the buckle cleaning assembly is installed on the power assembly to drive the buckle cleaning assembly to rotate. The limiting assembly and the oiling assembly are mounted on the lifting assembly; when the buckle is cleaned, the lifting assembly drives the buckle cleaning assembly to ascend, a screw thread at the bottom end of the drilling tool enters a cleaning channel of the buckle cleaning assembly, the power assembly drives the cleaning channel of the buckle cleaning assembly to be shrunk to be matched with the screw thread in size under the limiting effect of the limiting assembly, and then the power assembly continues to drive the buckle cleaning assembly to rotate. The screw thread oiling device has the beneficial effects that the screw thread oiling device is adaptive to screw thread sizes of different drilling tools, and the operation efficiency is higher.

Description

Technical Field

[0001] The invention relates to the technical field of oil and gas drilling, and in particular to a cleaning button oiling device used for oil and gas drilling. Background Art

[0002] Pipes are important tools in oil and gas drilling. During the oil and gas drilling process, multiple pipes are usually connected end to end to operate in the well. The pipes are connected by threads at their ends. During the use and storage of pipes, the threads at their ends often rust and scale. In order to protect the quality and use effect of the pipes, the threads at the ends of the pipes are generally cleaned before operation, and then the pipe thread grease is applied to prevent affecting the service life and use effect of the pipes.

[0003] At present, with the improvement of the automation level of oil drilling operations, automated drilling tool operating equipment (such as top drive, iron roughneck, drilling table manipulator, etc.) is being used more and more widely, including some devices that can clean the threads of drilling tool joints and apply thread oil, but these devices also require manual adjustment of the brush opening size to adapt to the thread size of drilling tools of different specifications, which affects the operation efficiency. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a cleaning and oiling device for oil and gas drilling, which solves the technical problem that the prior art requires manual adjustment of the brush opening size to adapt to the thread sizes of drilling tools of different specifications, thus affecting the operating efficiency.

[0006] (II) Technical solution

[0007] In order to achieve the above object, the main technical solutions adopted by the present invention include:

[0008] The present invention provides a cleaning buckle oiling device for oil and gas drilling, comprising a lifting assembly, a power assembly, a cleaning buckle assembly, a limiting assembly and an oiling assembly; the lifting assembly is fixed to a drilling platform, the power assembly is installed on the lifting assembly, and the cleaning buckle assembly is installed on the power assembly to drive the cleaning buckle assembly to rotate; the limiting assembly and the oiling assembly are installed on the lifting assembly; the limiting assembly abuts against the cleaning buckle assembly, and the cleaning buckle assembly has a cleaning channel that can be shrunk or expanded, and when the power assembly drives the cleaning buckle assembly to rotate, the limiting assembly can shrink or expand the cleaning channel of the cleaning buckle assembly. When cleaning the thread, the lifting assembly drives the cleaning thread assembly to rise, and the thread at the bottom of the drill tool enters the cleaning channel of the cleaning thread assembly. Under the limiting action of the limiting assembly, the power assembly drives the cleaning channel of the cleaning thread assembly to shrink to match the size of the thread, and then the power assembly continues to drive the cleaning thread assembly to rotate, and cleans the thread through the cleaning channel. After cleaning, the oiling assembly oils the thread.

[0009] Optionally, the cleaning assembly includes a driving disk, a chassis, a brush disk and a plurality of metal brushes; the driving disk is installed on the power assembly, the chassis is located above the driving disk, the brush disk is installed on the chassis, and the chassis abuts the limiting assembly; the brush disk is evenly provided with a plurality of guide rails extending radially thereof, and a plurality of metal brushes are slidably installed on the plurality of guide rails one by one to form the cleaning channel, and a plurality of curved grooves are evenly provided on the driving disk, and a plurality of metal brushes are connected to the plurality of curved grooves one by one; the power assembly drives the driving disk to rotate, and the chassis is stationary under the limiting action of the limiting assembly, and the metal brush is driven to slide along the guide rail toward the center of the driving disk through the limiting action of the curved groove, so as to reduce the cleaning channel to a size suitable for the thread, and after the metal brush abuts the thread, the power assembly drives the driving disk to drive the chassis and the brush disk to rotate, and then cleans the thread through the cleaning channel.

[0010] Optionally, the metal brush is slidably mounted on the guide rail via a slider, a guide column is provided at the bottom of the slider, and the slider is slidably connected to the curved groove via the guide column.

[0011] Optionally, the limiting assembly includes a first mounting seat, a limiting component and a compression spring; the first mounting seat is mounted on the lifting assembly, the limiting component is slidably mounted on the first mounting seat, the compression spring is located between the first mounting seat and the limiting component, and the limiting component abuts against the cleaning buckle assembly.

[0012] Optionally, the first mounting seat includes a mounting plate and a pressure plate; the mounting plate is installed on the lifting assembly, the pressure plate is connected to the mounting plate, two sliding rods are arranged between the pressure plate and the mounting plate, the limiting assembly can be slidably installed on the two sliding rods, and the limiting assembly can be slidably passed through the sliding holes of the mounting plate and the pressure plate; the compression spring passes through the sliding rod and is located between the limiting assembly and the pressure plate.

[0013] Optionally, the limiting assembly includes a sliding kit and a limiting block; the sliding kit is sleeved on the limiting block; the sliding kit is slidably connected to two sliding rods through ear plates on both sides thereof, and the sliding kit can be slidably passed through the sliding hole, and the limiting block abuts against the cleaning buckle assembly.

[0014] Optionally, the oiling assembly includes a second mounting seat, an oiling drive, a folding arm and an oiling block; the second mounting seat is mounted on the lifting assembly, one end of the folding arm is mounted on the second mounting seat, the oiling block is mounted on the other end of the folding arm, and both ends of the oiling drive are connected to the second mounting seat and the folding arm to drive the folding arm to extend and fold.

[0015] Optionally, the oiling block has an adapting thread, a plurality of oil outlets are evenly arranged in the adapting thread, and the plurality of oil outlets are connected to the oil inlet on the folding arm.

[0016] Optionally, the power assembly includes a cleaning buckle driver, a bearing magazine and a rotating shaft; the bearing magazine is fixed to the lifting assembly, the cleaning buckle driver is installed on the bearing magazine, the rotating shaft is passed through the bearing magazine, and the cleaning buckle driver is connected to the cleaning buckle assembly via the rotating shaft.

[0017] Optionally, the lifting assembly includes a base, a lifting column and a lifting drive; the base is fixed to the drilling platform, the lifting column is slidably installed on the base, the lifting drive is installed on the base, and the lifting drive is connected to the lifting column to drive the lifting column to slide up and down; the power assembly, the limit assembly and the oiling assembly are installed on the lifting column.

[0018] (III) Beneficial effects

[0019] The beneficial effects of the present invention are:

[0020] The present invention provides a cleaning button oiling device for oil and gas drilling. The power assembly drives the cleaning button assembly to rotate in a first direction, and the limit assembly generates a torque opposite to the first direction on the cleaning button assembly. Under the action of this torque, the cleaning button assembly remains stationary, and under the action of the limit assembly, the cleaning channel of the cleaning button assembly is reduced to abut against the thread, and the thread generates a reaction force on the cleaning channel. Under the action of the reaction force, the cleaning button assembly overcomes the torque generated by the limit assembly, and rotates to clean the thread under the drive of the power assembly, thereby adapting the thread size of different drilling tools through mechanical linkage, and then oiling is performed through the oiling assembly. Compared with the existing technology, cleaning oiling realizes unmanned operation and has higher operation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a side view schematic diagram of a cleaning button oiling device for oil and gas drilling in a specific embodiment of the present invention;

[0022] Figure 2 yes Figure 1 Schematic cross-sectional view of section AA;

[0023] Figure 3 1 is a schematic structural diagram of a cleaning button assembly in a specific embodiment of the present invention;

[0024] Figure 4 It is a structural schematic diagram of the cleaning button assembly from another angle in a specific embodiment of the present invention;

[0025] Figure 5 is a schematic structural diagram of a slider in a specific embodiment of the present invention;

[0026] Figure 6 is a schematic top view of a limit assembly in a specific embodiment of the present invention;

[0027] Figure 7 is a structural exploded diagram of a limit assembly in a specific embodiment of the present invention;

[0028] Figure 8 is a schematic structural diagram of an oiling assembly in a specific embodiment of the present invention;

[0029] Fig. 9 It is a structural schematic diagram of an oil coating block in a specific embodiment of the present invention;

[0030] Fig.10 is a schematic structural diagram of a power assembly in a specific embodiment of the present invention;

[0031] Fig.11 It is a structural schematic diagram of the lifting assembly in a specific embodiment of the present invention.

[0032] [Description of Reference Numerals]

[0033] 1: lifting assembly; 11: base; 12: lifting column; 121: bottom plate; 122: side plate; 13: lifting drive;

[0034] 2: power assembly; 21: Jiekou driver; 22: bearing compartment; 23: rotating shaft;

[0035] 3: Clean buckle assembly; 31: driving plate; 311: curved groove; 32: chassis; 33: brush plate; 331: guide rail; 34: metal brush; 35: slider; 351: guide column;

[0036] 4: limit assembly; 41: first mounting seat; 411: mounting plate; 412: pressure plate; 413: slide bar; 414: slide hole; 42: limit assembly; 421: slide kit; 422: limit block; 43: compression spring;

[0037] 5: oiling assembly; 51: second mounting seat; 52: oiling drive; 53: folding arm; 54: oiling block. DETAILED DESCRIPTION

[0038] In order to better understand the above technical solution, exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the accompanying drawings, it should be understood that the present invention can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a clearer and more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.

[0039] like Figure 1 and Figure 2 As shown, a specific embodiment of the present invention provides a cleaning buckle oiling device for oil and gas drilling, comprising a lifting assembly 1, a power assembly 2, a cleaning buckle assembly 3, a limiting assembly 4 and an oiling assembly 5; the lifting assembly 1 is fixed to the drilling platform, the power assembly 2 is installed on the lifting assembly 1, and the cleaning buckle assembly 3 is installed on the power assembly 2 to drive the cleaning buckle assembly 3 to rotate; the limiting assembly 4 and the oiling assembly 5 are installed on the lifting assembly 1; the limiting assembly 4 abuts against the cleaning buckle assembly 3, and the cleaning buckle assembly 3 has a cleaning channel that can be shrunk or expanded, and when the power assembly 2 drives the cleaning buckle assembly 3 to rotate, the limiting assembly 4 can shrink or expand the cleaning channel of the cleaning buckle assembly 3. When cleaning the thread, the lifting assembly 1 drives the cleaning thread assembly 3 to rise, and the thread at the bottom of the drill tool enters the cleaning channel of the cleaning thread assembly 3. Under the limiting action of the limiting assembly 4, the power assembly 2 drives the cleaning channel of the cleaning thread assembly 3 to shrink to match the thread size, and then the power assembly 2 continues to drive the cleaning thread assembly 3 to rotate, clean the thread through the cleaning channel, and the oiling assembly 5 oils the thread after cleaning.

[0040] Specifically, the power assembly 2 drives the cleaning button assembly 3 to rotate in a first direction, and the limit assembly 4 generates a torque opposite to the first direction on the cleaning button assembly 3. Under the action of this torque, the cleaning button assembly remains stationary, and under the action of the limit assembly 4, the cleaning channel of the cleaning button assembly 3 is reduced to abut against the thread, and the thread generates a reaction force on the cleaning channel. Under the action of the reaction force, the cleaning button assembly 3 overcomes the torque generated by the limit assembly 4, and rotates to clean the thread under the drive of the power assembly 2, thereby adapting the thread size of different drilling tools through mechanical linkage, and then oiling is performed through the oiling assembly 5. Compared with the existing technology, cleaning and oiling realizes unmanned operation and has higher operation efficiency.

[0041] Furthermore, if Figure 3-Figure 5 As shown, the cleaning button assembly 3 includes a driving disc 31, a chassis 32, a brush disc 33 and a plurality of metal brushes 34; the driving disc 31 is mounted on the power assembly 2, the chassis 32 is located above the driving disc 31, the brush disc 33 is mounted on the chassis 32, and the chassis 32 abuts against the limiting assembly 4; the brush disc 33 is evenly provided with a plurality of guide rails 331 extending along its radial direction, and the plurality of metal brushes 34 are slidably mounted on the plurality of guide rails 331 corresponding to each other to form a cleaning channel, and the driving disc 31 is evenly provided with a plurality of curved grooves 311 , multiple metal brushes 34 are connected to multiple curved grooves 311 one by one; the power assembly 2 drives the driving disc 31 to rotate, and the chassis 32 is stationary under the limiting action of the limiting assembly 4. The limiting action of the curved groove 311 drives the metal brush 34 to slide along the guide rail 331 toward the center of the driving disc 31, and the cleaning channel is reduced to fit the size of the thread. After the metal brush 34 abuts the thread, the power assembly drives the driving disc 31 to drive the chassis 32 and the brush disc 33 to rotate, and then clean the thread through the cleaning channel. Specifically, the metal brush 34 is slidably mounted on the guide rail 331 through a slider 35, and the bottom of the slider 35 has a guide column 351, and the slider 35 is slidably connected to the curved groove 311 through the guide column 351. In this embodiment, the number of metal brushes 34 is three, and the three metal brushes 34 enclose and form a cleaning channel. The curve shape of the curved groove 311 can be selected as an Archimedean spiral.

[0042] Furthermore, if Figure 6 and Figure 7As shown, the limiting assembly 4 includes a first mounting seat 41, a limiting component 42 and a compression spring 43; the first mounting seat 41 is mounted on the lifting assembly 1, the limiting component 42 is slidably mounted on the first mounting seat 41, the compression spring 43 is located between the first mounting seat 41 and the limiting component 42, and the limiting component 42 abuts against the cleaning buckle assembly 3. Specifically, the first mounting seat 41 includes a mounting plate 411 and a pressing plate 412; the mounting plate 411 is mounted on the lifting assembly 1, the pressing plate 412 is connected to the mounting plate 411, two sliding rods 413 are arranged between the pressing plate 412 and the mounting plate 411, the limiting component 42 is slidably mounted on the two sliding rods 413, and the limiting component 42 is slidably inserted into the sliding holes on the mounting plate 411 and the pressing plate 412; the compression spring 43 is inserted into the sliding rod 413 and is located between the limiting component 42 and the pressing plate 412. Furthermore, the limiting assembly 42 includes a sliding sleeve 421 and a limiting block 422; the sliding sleeve 421 is sleeved on the limiting block 422; the sliding sleeve 421 is slidably connected to the two slide bars 413 through the ear plates on both sides thereof, and the sliding sleeve 421 is slidably penetrated in the slide hole, the limiting block 422 abuts against the cleaning buckle assembly 3, and the compression spring 43 is located between the ear plate and the pressure plate 412. Specifically, the limiting block 422 abuts against the chassis 32 under the action of the compression spring 43 to generate a torque opposite to the rotation direction thereof.

[0043] Furthermore, if Figure 8 and Fig. 9 As shown, the oiling assembly 5 includes a second mounting seat 51, an oiling driver 52, a folding arm 53 and an oiling block 54; the second mounting seat 51 is mounted on the lifting assembly 1, one end of the folding arm 53 is mounted on the second mounting seat 51, the oiling block 54 is mounted on the other end of the folding arm 53, and the two ends of the oiling driver 52 are connected to the second mounting seat 51 and the folding arm 53 to drive the folding arm 53 to extend and fold, and drive the oiling block 54 to approach and move away from the thread. Specifically, the oiling block 54 has an adapting thread, the adapting thread and the thread are matched, and a plurality of oil outlets are evenly opened in the adapting thread, and the plurality of oil outlets are connected to the oil inlet on the folding arm 53. After the adapting thread of the oiling block 54 abuts the thread, the thread oil is evenly injected from the oil inlet and evenly applied to the thread through the oil outlet.

[0044] Furthermore, if Fig.10 As shown, the power assembly 2 includes a Jie buckle driver 21, a bearing bin 22 and a rotating shaft 23; the bearing bin 22 is fixed to the lifting assembly 1, the Jie buckle driver 21 is installed in the bearing bin 22, the rotating shaft 23 is passed through the bearing bin 22, and the Jie buckle driver 21 is connected to the Jie buckle assembly 3 through the rotating shaft 23.

[0045] Furthermore, if Fig.11As shown, the lifting assembly 1 includes a base 11, a lifting column 12 and a lifting drive 13; the base 11 is fixed to the drilling platform, the lifting column 12 is slidably installed on the base 11, the lifting drive 13 is installed on the base 11, and the lifting drive 13 is connected to the lifting column 12 to drive the lifting column 12 to slide up and down; the power assembly 2, the limit assembly 4 and the oiling assembly 5 are installed on the lifting column 12, specifically, the lifting column 12 has a bottom plate 121 and two side plates 122, the two side plates 122 are located above the bottom plate 121, the bearing compartment 22 of the power assembly 2 is installed on the bottom plate 121, and the first mounting seat 41 of the limit assembly 4 and the second mounting seat 51 of the oiling assembly 5 are installed on the side plate 122.

[0046] The use of a cleaning button oiling device for oil and gas drilling provided in this specific embodiment is as follows: the lifting drive 13 is started to drive the lifting column 12 to rise until the thread enters the cleaning channel of the cleaning button assembly 3, and the cleaning button drive 21 of the power mechanism drives the driving disk 31 of the cleaning button assembly 3 to rotate, and the chassis 32 remains stationary under the action of the reverse torque generated by the limit block 422. The slider 35 at the bottom of the metal brush 34 slides toward the thread along the guide rail 331 under the limiting action of the curved groove 311 until the metal brush 34 abuts the thread. Under the action of the thread on the metal brush 34, the chassis 32 overcomes the reverse torque generated by the limit block 422 and rotates with the driving disk 31 to clean the thread through the cleaning channel. Then the oiling driver 52 of the oiling assembly 5 drives the folding arm 53 to extend and drives the oiling block 54 to approach the thread. The matching thread of the oiling block 54 abuts against the outer surface of the thread, and the thread oil is injected from the oil inlet on the folding arm 53, and the thread oil is evenly applied to the thread through the multiple oil outlets on the matching thread.

[0047] In the description of the present invention, it should be understood that the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0048] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0049] In the present invention, unless otherwise clearly specified and limited, when a first feature is “on” or “below” a second feature, it may be that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Moreover, when a first feature is “above”, “above” or “above” a second feature, it may be that the first feature is directly above or obliquely above the second feature, or it may simply mean that the first feature is higher in level than the second feature. When a first feature is “below”, “below” or “below” a second feature, it may be that the first feature is directly below or obliquely below the second feature, or it may simply mean that the first feature is lower in level than the second feature.

[0050] In the description of this specification, the description of the terms "one embodiment", "some embodiments", "embodiment", "example", "specific example" or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.

[0051] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may alter, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A cleaning button oiling device for oil and gas drilling, characterized in that: It comprises a lifting assembly (1), a power assembly (2), a cleaning assembly (3), a limiting assembly (4) and an oiling assembly (5); The lifting assembly (1) is fixed to the drilling platform, the power assembly (2), the limit assembly (4) and the oiling assembly (5) are all installed on the lifting assembly (1), the cleaning buckle assembly (3) is installed on the power assembly (2), and the limit assembly (4) abuts against the cleaning buckle assembly (3); The cleaning button assembly (3) has a cleaning channel that can be shrunk or expanded. When the power assembly (2) drives the cleaning button assembly (3) to rotate, the limiting assembly (4) can shrink or expand the cleaning channel of the cleaning button assembly (3).

2. The cleaning and oiling device for oil and gas drilling according to claim 1, characterized in that: The cleaning button assembly (3) comprises a driving disc (31), a chassis (32), a brush disc (33) and a plurality of metal brushes (34); The driving disc (31) is mounted on the power assembly (2), the chassis (32) is located above the driving disc (31), the brush disc (33) is mounted on the chassis (32), and the chassis (32) abuts against the limit assembly (4); the brush disc (33) is evenly provided with a plurality of guide rails (331) extending along its radial direction, and a plurality of metal brushes (34) are slidably mounted on the plurality of guide rails (331) in a one-to-one correspondence to form the cleaning channel; the driving disc (31) is evenly provided with a plurality of curved grooves (311), and the plurality of metal brushes (34) are connected to the plurality of curved grooves (311) in a one-to-one correspondence; The power assembly (2) drives the driving disk (31) to rotate, and the chassis (32) is stationary under the limiting action of the limiting assembly (4). The limiting action of the curved groove (311) drives the metal brush (34) to slide along the guide rail (331) toward the center of the driving disk (31), thereby reducing the cleaning channel to a size that matches the size of the thread. After the metal brush (34) abuts against the thread, the power assembly (2) drives the driving disk (31) to drive the chassis (32) and the brush disk (33) to rotate, thereby cleaning the thread through the cleaning channel.

3. The cleaning and oiling device for oil and gas drilling according to claim 2, characterized in that: The metal brush (34) is slidably mounted on the guide rail (331) via a slider (35); a guide column (351) is provided at the bottom of the slider (35); and the slider (35) is slidably connected to the curved groove (311) via the guide column (351).

4. The cleaning and oiling device for oil and gas drilling according to claim 1, characterized in that: The limiting assembly (4) comprises a first mounting seat (41), a limiting component (42) and a compression spring (43); The first mounting seat (41) is mounted on the lifting assembly (1), the limiting assembly (42) is slidably mounted on the first mounting seat (41), the compression spring (43) is located between the first mounting seat (41) and the limiting assembly (42), and the limiting assembly (42) abuts against the cleaning buckle assembly (3).

5. The cleaning and oiling device for oil and gas drilling according to claim 4, characterized in that: The first mounting seat (41) comprises a mounting plate (411) and a pressing plate (412); The mounting plate (411) is mounted on the lifting assembly (1), the pressure plate (412) is connected to the mounting plate (411), two sliding rods (413) are arranged between the pressure plate (412) and the mounting plate (411), the limiting component (42) can be slidably mounted on the two sliding rods (413), and the limiting component (42) can be slidably passed through the sliding holes of the mounting plate (411) and the pressure plate (412); the compression spring (43) is passed through the sliding rod (413) and is located between the limiting component (42) and the pressure plate (412).

6. The cleaning and oiling device for oil and gas drilling according to claim 5, characterized in that: The limiting assembly (42) comprises a sliding assembly (421) and a limiting block (422); The sliding sleeve (421) is sleeved on the limiting block (422); the sliding sleeve (421) is slidably connected to the two sliding rods (413) through the ear plates on both sides thereof, and the sliding sleeve (421) is slidably inserted into the sliding hole, and the limiting block (422) abuts against the cleaning buckle assembly (3).

7. The cleaning and oiling device for oil and gas drilling according to claim 1, characterized in that: The oiling assembly (5) comprises a second mounting seat (51), an oiling driver (52), a folding arm (53) and an oiling block (54); The second mounting seat (51) is mounted on the lifting assembly (1), one end of the folding arm (53) is mounted on the second mounting seat (51), the oiling block (54) is mounted on the other end of the folding arm (53), and both ends of the oiling driver (52) are connected to the second mounting seat (51) and the folding arm (53) to drive the folding arm (53) to extend and fold.

8. The cleaning and oiling device for oil and gas drilling according to claim 7, characterized in that: The oiling block (54) has an adapting thread, in which a plurality of oil outlets are evenly arranged, and the plurality of oil outlets are connected to the oil inlet on the folding arm (53).

9. The cleaning and oiling device for oil and gas drilling according to claim 1, characterized in that: The power assembly (2) comprises a locking driver (21), a bearing housing (22) and a rotating shaft (23); The bearing bin (22) is fixed to the lifting assembly (1), the cleaning buckle driver (21) is installed in the bearing bin (22), the rotating shaft (23) is passed through the bearing bin (22), and the cleaning buckle driver (21) is connected to the cleaning buckle assembly (3) via the rotating shaft (23).

10. The cleaning and oiling device for oil and gas drilling according to claim 1, characterized in that: The lifting assembly (1) comprises a base (11), a lifting column (12) and a lifting drive (13); The base (11) is fixed to the drilling platform, the lifting column (12) is mounted on the base (11) so as to be slidable up and down, the lifting drive (13) is mounted on the base (11), and the lifting drive (13) is connected to the lifting column (12) to drive the lifting column (12) to slide up and down; The power assembly (2), the limit assembly (4) and the oiling assembly (5) are installed on the lifting column (12).

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