CN211053515U - Clamping and rotating device for processing inner wall of drill collar - Google Patents
Clamping and rotating device for processing inner wall of drill collar Download PDFInfo
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- CN211053515U CN211053515U CN201921828583.1U CN201921828583U CN211053515U CN 211053515 U CN211053515 U CN 211053515U CN 201921828583 U CN201921828583 U CN 201921828583U CN 211053515 U CN211053515 U CN 211053515U
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Abstract
The utility model discloses a clamping and rotating device for processing the inner wall of a drill collar, which comprises a bottom plate, wherein a pair of clamping and rotating mechanisms is arranged at the two ends of the bottom plate; the clamping and rotating mechanism comprises a mounting seat mounted on the bottom plate, an upward extending piece is mounted on the mounting seat in an upward extending manner, a clamping table is mounted at the upper end of the upward extending piece, the clamping table is of a rectangular structure, inclined walls are formed at four corners of the clamping table, and a central hole is formed in the center of the clamping table; the four inclined walls of the clamping table are respectively provided with a clamping rotating assembly; the number of the clamping rotating assemblies is four, and the clamping movement direction of the clamping rotating assemblies is along the radial direction of the central hole; the clamping and rotating assemblies are mutually matched and used for clamping the drill collar and driving the drill collar to rotate. The utility model discloses conveniently accomplish the processing operation of drill collar downthehole wall, in the course of working, the drill collar can rotate, improves the machining efficiency of drill collar downthehole wall, has stronger practicality.
Description
Technical Field
The utility model relates to a drill collar processing equipment technical field that is relevant especially relates to a centre gripping rotating device is used in processing of drill collar inner wall.
Background
The drill collar is located at the lowest part of the drill string and is the main component of the lower drilling assembly. In order to facilitate the tripping operation, a hanging slot and a slip slot can be processed on the outer surface of the internal thread of the drill collar. The whole drill collar is a smooth thick-wall circular pipe, connecting threads are machined at two ends of the circular pipe, and the spiral drill collar is provided with 3 right-handed spiral grooves on the outer cylindrical surface of the circular drill collar so as to reduce the contact area with the well wall, effectively prevent differential pressure drill jamming and facilitate tripping operation, and a hanging clamp groove and a slip groove can be machined on the outer surface of the internal thread of the drill collar.
The conventional clamping device is adopted as a common clamping device, the clamping operation of the device is complex and the precision is low, and the clamped drill collar cannot rotate, so that the difficulty is increased for processing the inner hole of the drill collar, and the production efficiency of the drill collar is reduced.
Disclosure of Invention
The utility model provides a centre gripping rotating device is used in processing of drill collar inner wall to solve the not enough of above-mentioned prior art, conveniently accomplish the processing operation of drill collar downthehole wall, in the course of working, the drill collar can rotate, improves the machining efficiency of drill collar downthehole wall, has stronger practicality.
In order to realize the purpose of the utility model, the following technologies are adopted:
a clamping and rotating device for processing the inner wall of a drill collar comprises a bottom plate, wherein a pair of clamping and rotating mechanisms is arranged at two ends of the bottom plate;
the clamping and rotating mechanism comprises a mounting seat mounted on the bottom plate, an upward extending piece is mounted on the mounting seat in an upward extending manner, a clamping table is mounted at the upper end of the upward extending piece, the clamping table is of a rectangular structure, inclined walls are formed at four corners of the clamping table, and a central hole is formed in the center of the clamping table;
the four inclined walls of the clamping table are respectively provided with a clamping rotating assembly;
the number of the clamping rotating assemblies is four, and the clamping movement direction of the clamping rotating assemblies is along the radial direction of the central hole;
the clamping and rotating assemblies are mutually matched and used for clamping the drill collar and driving the drill collar to rotate.
Further, centre gripping runner assembly is including being the fixed cylinder that installs in the skew wall symmetrically a pair ofly, the fixed cylinder other end has all revolved the screw rod, the propulsion motor is installed to the screw rod other end, the output shaft of propulsion motor has the lead screw, the other end of lead screw assembles in the skew wall, the lead screw has impelled the piece soon, impel the oblique wall of perpendicular to wear the centre gripping platform, impel the piece to be the spill structure, the one end of impelling the piece is revolved in the lead screw, be equipped with the revolving roller between the other end of impelling the piece, be connected with the rotation motor in the axis of rotation of revolving roller.
Furthermore, the outer wall of the rotating roller is provided with lugs in a circumferential array.
Further, the bumps are made of rubber.
The technical scheme has the advantages that:
1. the clamping and rotating mechanism is used for clamping and rotating when the inner wall of a drill collar hole is machined, wherein the clamping and rotating assembly can clamp the drill collar for clamping, a screw rod starts to rotate through a propelling motor during clamping, the propelling member moves inwards along the radial direction of a central hole through the rotation of the screw rod until the outer wall of a rotating roller is tangentially clamped on the outer wall of the drill collar, and the rotating roller is driven to rotate through the rotating motor in order to rotate, wherein the propelling motor is arranged on the inclined wall of a clamping table;
2. the utility model discloses conveniently accomplish the processing operation of drill collar downthehole wall, in the course of working, the drill collar can rotate, improves the machining efficiency of drill collar downthehole wall, has stronger practicality.
Drawings
Fig. 1 shows a first three-dimensional structure of the present invention.
Fig. 2 shows a second three-dimensional structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-2, a clamping and rotating device for processing the inner wall of a drill collar comprises a base plate 1, wherein a pair of clamping and rotating mechanisms 2 are arranged at two ends of the base plate 1;
the clamping and rotating mechanism 2 comprises a mounting seat 20 mounted on the bottom plate 1, an upper extending piece 21 is mounted on the mounting seat 20 in an upward extending manner, a clamping table 22 is mounted at the upper end of the upper extending piece 21, the clamping table 22 is of a rectangular structure, inclined walls 220 are formed at four corners of the clamping table 22, and a central hole 221 is formed in the center of the clamping table 22;
the four inclined walls 220 of the clamping table 22 are all provided with a clamping rotating assembly 3;
the number of the clamping rotating assemblies 3 is four, and the clamping movement direction of the clamping rotating assemblies 3 is along the radial direction of the central hole 221;
the clamping rotating assemblies 3 are mutually matched and used for clamping the drill collar and driving the drill collar to rotate.
Further, the clamping rotating assembly 3 comprises a pair of fixed cylinders 30 symmetrically mounted on the inclined wall 220, screws 31 are screwed at the other ends of the fixed cylinders 30, a propelling motor 32 is mounted at the other end of each screw 31, an output shaft of the propelling motor 32 is connected with a screw 33, the other end of each screw 33 is assembled on the inclined wall 220, a propelling part 34 is screwed on each screw 33, the propelling part 34 is perpendicular to the inclined wall 220 and penetrates through the clamping table 22, the propelling part 34 is of a concave structure, one end of the propelling part 34 is screwed on each screw 33, rotating rollers 35 are assembled between the other ends of the propelling parts 34, rotating motors 37 are connected to rotating shafts of the rotating rollers 35, and the rotating motors 37 are mounted on the propelling parts 34.
Further, the outer wall of the roller 35 is provided with projections 36 in a circumferential array.
Further, the bump 36 is made of rubber.
The specific implementation mode is as follows:
the drill collar is inserted into one of the clamping and rotating mechanisms 2 and is inserted out of the other clamping and rotating mechanism 2, then the pushing motor 32 is started, the screw rod 31 starts to rotate under the operation of the pushing motor 32, the pushing piece 34 moves inwards in the rotating process of the screw rod 31, the two ends of the drill collar are clamped finally, the processing operation of the inner wall of the drill collar hole is started, the rotating motor 37 is started during processing, the rotating motor 37 drives the rotating roller 35 to rotate, and the drill collar is rotated by the rotation of the rotating roller.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and it is obvious that those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (4)
1. A clamping and rotating device for processing the inner wall of a drill collar is characterized by comprising a base plate (1), wherein a pair of clamping and rotating mechanisms (2) are arranged at two ends of the base plate (1);
the clamping and rotating mechanism (2) comprises a mounting seat (20) mounted on the bottom plate (1), an upper extending piece (21) is mounted on the mounting seat (20) in an upward extending mode, a clamping table (22) is mounted at the upper end of the upper extending piece (21), the clamping table (22) is of a rectangular structure, inclined walls (220) are formed at four corners of the clamping table (22), and a center hole (221) is formed in the center position of the clamping table (22);
the four inclined walls (220) of the clamping table (22) are respectively provided with a clamping rotating assembly (3);
the number of the clamping rotating assemblies (3) is four, and the clamping movement direction of the clamping rotating assemblies (3) is along the radial direction of the central hole (221);
the clamping rotating assembly (3) is mutually matched for clamping the drill collar and driving the drill collar to rotate.
2. The clamping and rotating device for processing the inner wall of the drill collar as claimed in claim 1, wherein the clamping and rotating assembly (3) comprises a pair of fixed cylinders (30) symmetrically mounted on the inclined wall (220), a screw (31) is screwed at the other end of each fixed cylinder (30), a propulsion motor (32) is mounted at the other end of each screw (31), an output shaft of the propulsion motor (32) is connected with a screw (33), the other end of each screw (33) is mounted on the inclined wall (220), a propulsion member (34) is screwed on each screw (33), the propulsion member (34) is perpendicular to the inclined wall (220) and penetrates through the clamping table (22), the propulsion member (34) is of a concave structure, one end of the propulsion member (34) is screwed on each screw (33), a rotating roller (35) is mounted between the other ends of the propulsion members (34), a rotating motor (37) is connected to a rotating shaft of each rotating roller (35), and the rotating motor (37) is mounted on each propulsion.
3. The clamping and rotating device for processing the inner wall of a drill collar as recited in claim 2, wherein the outer wall of the rotating roller (35) is provided with projections (36) in a circumferential array.
4. The clamping rotation device for processing the inner wall of a drill collar as claimed in claim 3, wherein the projection (36) is made of rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828583.1U CN211053515U (en) | 2019-10-29 | 2019-10-29 | Clamping and rotating device for processing inner wall of drill collar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828583.1U CN211053515U (en) | 2019-10-29 | 2019-10-29 | Clamping and rotating device for processing inner wall of drill collar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211053515U true CN211053515U (en) | 2020-07-21 |
Family
ID=71594827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828583.1U Active CN211053515U (en) | 2019-10-29 | 2019-10-29 | Clamping and rotating device for processing inner wall of drill collar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211053515U (en) |
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2019
- 2019-10-29 CN CN201921828583.1U patent/CN211053515U/en active Active
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