阅读说明：本技术 一种喷涂钻具螺纹润滑脂的装置 (Device for spraying lubricating grease for threads of drilling tool ) 是由 柴俊卿 王麟 蒋烈 许月刚 赵敏贤 于 2020-02-26 设计创作，主要内容包括：本发明公开了一种喷涂钻具螺纹润滑脂的装置,包括壳体,所述壳体包括具有锥度的曲面,所述曲面用于和钻具外螺纹相配合,所述曲面上安装有通油板,所述通油板上设有多个通油孔,且所述壳体上还设有多个毛刷,所述壳体还连通有油管接头,所述油管接头用于连接输油管,所述输油管用于输送润滑脂,所述润滑脂通过所述油管接头进入所述壳体内部并从所述通油孔中流出。本发明所述的喷涂钻具螺纹润滑脂的装置,不仅能实现自动给钻具外螺纹涂抹润滑脂的功能,且结构简单,操作简单,能减小工人劳动强度,有效的提高钻井作业效率。(The invention discloses a device for spraying lubricating grease for threads of a drilling tool, which comprises a shell, wherein the shell comprises a tapered curved surface, the curved surface is used for being matched with external threads of the drilling tool, an oil through plate is arranged on the curved surface, a plurality of oil through holes are formed in the oil through plate, a plurality of brushes are further arranged on the shell, the shell is further communicated with an oil pipe joint, the oil pipe joint is used for being connected with an oil conveying pipe, the oil conveying pipe is used for conveying lubricating grease, and the lubricating grease enters the shell through the oil pipe joint and flows out of the oil through holes. The device for spraying the lubricating grease for the threads of the drilling tool can not only realize the function of automatically coating the lubricating grease for the external threads of the drilling tool, but also has simple structure and simple operation, can reduce the labor intensity of workers and effectively improve the drilling operation efficiency.)

1. The utility model provides a device of spraying drilling tool screw thread lubricating grease, a serial communication port, which comprises a housin, the casing is including the curved surface that has the tapering, the curved surface is used for cooperateing with the drilling tool external screw thread, install the oil board on the curved surface, be equipped with a plurality of oil through holes on the oil board, just still be equipped with a plurality of brushes on the casing, the casing still communicates there is oil pipe joint, oil pipe joint is used for connecting defeated oil pipe, defeated oil pipe is used for carrying lubricating grease, lubricating grease passes through oil pipe joint gets into the casing is inside and follow flow out in the oil through hole.

2. The device of claim 1, wherein the open end of the housing is provided with a cover plate for closing the open end of the housing.

3. The device for spraying the lubricating grease for the threads of the drilling tool according to claim 2, further comprising a supporting rod, wherein a first boss is arranged at one end of the supporting rod, the first boss is fixedly connected with the cover plate, a limiting block is fixedly connected to the other end of the supporting rod, a spring and a connecting rod are sleeved on the supporting rod, and two ends of the spring are respectively abutted to the first boss and the connecting rod.

4. The device of claim 1, wherein said housing is rotatable.

5. The device for spraying lubricating grease for threads of drilling tools of claim 4, further comprising a central shaft, wherein the central shaft penetrates through two ends of the housing, and the two ends of the central shaft are respectively connected with the housing through bearings.

6. The apparatus of claim 5, wherein a plurality of through holes are formed in a central portion of the central shaft, and the tubing joints are mounted on the central shaft.

7. The device for spraying lubricating grease for threads of drilling tools according to claim 4, further comprising a central shaft and a connecting shaft, wherein the central shaft and the connecting shaft are coaxially arranged, the central shaft penetrates through one end of the housing and extends into the housing, the connecting shaft penetrates through the other end of the housing and extends into the housing, and the central shaft and the connecting shaft are respectively connected with the housing through bearings.

8. The apparatus of claim 7, wherein said central shaft is a hollow shaft and said tubing connector is mounted on said central shaft.

9. The device for spraying lubricating grease for threads of drilling tools according to claim 7, wherein the connecting shaft is connected with the central shaft through a support frame, one end of the support frame is fixedly connected with the central shaft, and the other end of the support frame is in threaded connection with the connecting shaft; or one end of the support frame is in threaded connection with the central shaft, and the other end of the support frame is fixedly connected with the connecting shaft.

10. The device for spraying lubricating grease onto threads of drilling tools according to any one of claims 7 to 9, wherein a third boss is provided on the central shaft and the connecting shaft, the bearing is fixed by abutting against a third bearing cover plate, a fourth bearing cover plate and the third boss, and the third bearing cover plate and the fourth bearing cover plate are fixedly connected with the housing.

Technical Field

The invention relates to the technical field of oil and gas exploitation, in particular to a device for spraying lubricating grease for threads of a drilling tool.

Background

The drilling tool is an important component for communicating the surface and the downhole, and during drilling, the drilling tool is pressed against the tool to transmit the pressure and the rotary torque of the drill bit and to transmit the drilling fluid to the bottom of the well, so that the drilling tool is subjected to huge internal and external pressure, torsion, bending and vibration. The drilling tools are connected through screw threads, in order to prevent the screw threads from being adhered and rusted and avoid over-screwing, the surface of the screw threads of the drilling tools is coated with lubricating grease before the screw threads are connected, and the prior method for coating the lubricating grease on the screw threads of the drilling tools is to manually stick the lubricating grease on the surface of the screw threads by a brush. The method of manually applying the lubricating grease has high labor intensity for workers, and is easy to cause low drilling operation efficiency, thereby increasing the drilling cost.

Disclosure of Invention

The invention aims to: to the problem that prior art exists, provide a device of spraying drilling tool screw thread lubricating grease, replace the manual work to paint lubricating grease for paint lubricating grease convenient and fast more for the drilling tool.

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

the utility model provides a device of spraying drilling tool screw thread lubricating grease, includes the casing, the casing is including the curved surface that has the tapering, the curved surface is used for cooperateing with the drilling tool external screw thread, install the oil board on the curved surface, be equipped with a plurality of logical oilholes on the oil board, just still be equipped with a plurality of brushes on the casing, the casing still communicates there is oil pipe joint, oil pipe joint is used for connecting defeated oil pipe, defeated oil pipe is used for carrying lubricating grease, the lubricating grease passes through oil pipe joint gets into the casing is inside and follow flow in the logical oilhole.

When the device for spraying the lubricating grease for the threads of the drilling tool is used, the lubricating grease enters the shell through the oil pipe joint after the device for spraying the lubricating grease for the threads of the drilling tool is placed at a proper position of the external threads of the drilling tool, and the lubricating grease can flow out of the oil through hole of the oil through plate along with the increase of the amount of the lubricating grease. And the drilling tool can rotate in the lowering process, and lubricating grease can be uniformly coated on the surface of the external thread of the drilling tool under the action of the rotation of the drilling tool and the brush after flowing out of the oil through hole of the oil through plate, so that the function of automatically coating the external thread of the drilling tool with the lubricating grease is realized.

The device for spraying the lubricating grease for the threads of the drilling tool can not only realize the function of automatically coating the lubricating grease for the external threads of the drilling tool, but also has simple structure and simple operation, can reduce the labor intensity of workers and effectively improve the drilling operation efficiency.

As a preferable scheme of the invention, the shell is provided with a hairbrush hole, and the hairbrush is arranged at the hairbrush hole.

In a preferred embodiment of the present invention, the open end of the housing is provided with a cover plate for closing the open end of the housing to prevent grease from flowing out.

As a preferable scheme of the invention, the novel solar cell module further comprises a support rod, wherein one end of the support rod is provided with a first boss, the first boss is fixedly connected with the cover plate, the other end of the support rod is fixedly connected with a limiting block, the support rod is sleeved with a spring and a connecting rod, and two ends of the spring are respectively abutted against the first boss and the connecting rod. The connecting rod can be connected with other translation mechanisms and can also be directly operated manually. During the use, through the operation the connecting rod, the connecting rod compresses the spring to promote the casing further laminates the drilling tool external screw thread, with more even the smearing of lubricating grease on the drilling tool external screw thread surface, improve the flexibility of device. And the connecting rod can be prevented from being separated from the device due to the arrangement of the limiting block.

As a preferred aspect of the present invention, the housing is rotatable, so that the grease application is more uniform.

The present invention further comprises a central shaft, wherein the central shaft penetrates through two ends of the housing, and the two ends of the central shaft are respectively connected with the housing through bearings. So set up, the drilling tool can rotate at the in-process of transferring to it is rotatory to drive the casing, and the center pin can not rotate.

As a preferable aspect of the present invention, the two ends of the central shaft are both provided with second bosses, the bearings are respectively fixed by abutting against a first bearing cover plate, a second bearing cover plate and the second bosses, and the first bearing cover plate and the second bearing cover plate are both fixedly connected to the housing (for example, connected by screws).

As a preferable scheme of the invention, the middle part of the central shaft is provided with a plurality of through holes, and the oil pipe joint is arranged on the central shaft. The lubricating grease enters the interior of the central shaft through the oil pipe joint and then flows out of the through hole in the central shaft into the interior of the shell.

As a preferable scheme of the present invention, the present invention further includes a central shaft and a connecting shaft, the central shaft and the connecting shaft are coaxially disposed, the central shaft penetrates through one end of the housing and extends into the housing, the connecting shaft penetrates through the other end of the housing and extends into the housing, and the central shaft and the connecting shaft are respectively connected with the housing through bearings. So set up, the drilling tool can rotate at the in-process of transferring to drive the casing rotatory, and center pin and connecting axle can not rotate.

As the preferable scheme of the invention, the central shaft is a hollow shaft, and the oil pipe joint is arranged on the central shaft. Grease enters the interior of the hollow shaft through the tubing joint and then flows from the hollow shaft into the interior of the housing.

As a preferable scheme of the invention, the connecting shaft is connected with the central shaft through a support frame, one end of the support frame is fixedly connected with the central shaft, and the other end of the support frame is in threaded connection with the connecting shaft; or one end of the supporting frame is in threaded connection with the central shaft,

the other end of the support frame is fixedly connected with the connecting shaft.

As a preferable aspect of the present invention, each of the central shaft and the connecting shaft is provided with a third boss, the bearing is respectively abutted and fixed by a third bearing cover plate, a fourth bearing cover plate and the third boss, and the third bearing cover plate and the fourth bearing cover plate are both fixedly connected to the housing (for example, connected by a screw).

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

the device for spraying the lubricating grease for the threads of the drilling tool can not only realize the function of automatically coating the lubricating grease for the external threads of the drilling tool, but also has simple structure and simple operation, can reduce the labor intensity of workers and effectively improve the drilling operation efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an apparatus for applying grease to a drill thread according to embodiment 1 of the present invention.

Fig. 2 is a front view of the device for applying grease to the threads of a drilling tool according to embodiment 1 of the present invention.

Fig. 3 is a side view of an apparatus for applying grease to a drill thread according to embodiment 1 of the present invention.

Fig. 4 is a top view of an apparatus for applying grease to a drill thread according to embodiment 1 of the present invention.

Fig. 5 is a sectional view a-a in fig. 4.

Fig. 6 is a first schematic structural diagram of the housing according to embodiment 1 of the present invention.

Fig. 7 is a second schematic structural diagram of the housing according to embodiment 1 of the present invention.

Fig. 8 is a diagram showing the operation of the device for applying grease to the threads of a drilling tool according to embodiment 1 of the present invention.

Fig. 9 is a schematic view of the device for applying grease to drill threads according to embodiment 1 of the present invention after completion of its operation.

Fig. 10 is a schematic structural view of an apparatus for applying grease to a drill thread according to embodiment 2 of the present invention.

Fig. 11 is a top view of an apparatus for applying grease to a drill thread according to embodiment 2 of the present invention.

Fig. 12 is a front view of the device for applying grease to the threads of a drill according to example 2 of the present invention.

Fig. 13 is a sectional view B-B in fig. 12.

Fig. 14 is an exploded view of the parts of the device for applying grease to the threads of a drill according to example 2 of the present invention.

Fig. 15 is a diagram showing the operation of the device for applying grease to the threads of a drilling tool according to embodiment 2 of the present invention.

Fig. 16 is a schematic view of the device for applying grease to the thread of a drill according to embodiment 2 of the present invention after the completion of its operation.

Fig. 17 is a schematic structural diagram of an apparatus for applying grease to a drill thread according to embodiment 3 of the present invention.

Fig. 18 is a top view of an apparatus for applying grease to a drill thread according to embodiment 3 of the present invention.

Fig. 19 is a front view of the device for applying grease to drill threads according to embodiment 3 of the present invention.

Fig. 20 is a cross-sectional view taken at C-C in fig. 19.

Fig. 21 is an exploded view of the parts of the device for applying grease to the threads of a drill according to example 3 of the present invention.

Fig. 22 is a diagram showing the operation of the device for applying grease to the threads of a drill according to embodiment 3 of the present invention.

Fig. 23 is a schematic view of the device for applying grease to drill threads according to embodiment 3 of the present invention after completion of its operation.

Icon: 1-spray coating device, 2-drilling tool, 11-oil through plate, 12-shell, 13-oil pipe joint, 14-cover plate, 15-support rod, 16-spring, 17-connecting rod, 18-limiting block, 19-first boss, 20-oil through hole, 21-brush hole, 22-groove, 23-threaded hole, 24-open end, 25-central shaft, 26-through hole, 27-second boss, 28-bearing, 29-first bearing cover plate, 30-second bearing cover plate, 31-third bearing cover plate, 32-fourth bearing cover plate, 33-connecting shaft, 34-third boss, 35-support frame.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.