CN210388437U - Clamping device is used in processing of drill collar outer wall - Google Patents
Clamping device is used in processing of drill collar outer wall Download PDFInfo
- Publication number
- CN210388437U CN210388437U CN201921448968.5U CN201921448968U CN210388437U CN 210388437 U CN210388437 U CN 210388437U CN 201921448968 U CN201921448968 U CN 201921448968U CN 210388437 U CN210388437 U CN 210388437U
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- clamping
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- drill collar
- assembly
- plates
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- 230000000712 assembly Effects 0.000 claims abstract description 15
- 238000000429 assembly Methods 0.000 claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 12
- 239000000758 substrate Substances 0.000 claims description 7
- 238000000034 method Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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Abstract
The utility model discloses a clamping device for processing the outer wall of a drill collar, which comprises a lower supporting unit, wherein two ends of the lower supporting unit are provided with clamping mechanisms; the lower supporting unit comprises a base plate, a guide part is fixedly installed at the upper end of the base plate in an upward extending mode, side plates are formed on two side walls of the guide part, expansion plates penetrate through two ends of the guide part, guide grooves are formed in two side walls of the inner side end of the expansion plate, the side plates are clamped in the guide grooves, a pair of cylinders are fixedly installed at the central position of the upper end of the guide part, a fixed plate is fixedly installed at the other end of each cylinder, an expansion plate is fixedly installed at the lower end of each fixed plate, supporting legs are fixedly installed on the lower surface of the outer side end of the expansion plate in a downward extending mode, the lower surfaces of the supporting legs are in contact with the upper surface of the base plate, the clamping mechanism comprises squeezing and pushing assemblies and clamping assemblies which are arranged at the outer side ends of the expansion plate, the squeezing and pushing.
Description
Technical Field
The utility model relates to a drill collar processing equipment technical field that is relevant especially relates to a clamping device is used in processing of drill collar outer 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. The drill rod is mainly characterized in that the wall thickness is large, generally 38-53mm, equivalent to 4-6 times of the wall thickness of the drill rod, and the drill rod has large gravity and rigidity. 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 function of the drill collar is as follows: applying weight on bit to the drill bit; ensuring the necessary strength under the compression condition; the vibration, the swing, the jumping and the like of the drill bit are reduced, so that the drill bit works stably; and controlling the well deviation.
Drill collars are generally classified into 3 types: spiral drill collar, non-magnetic drill collar, integral drill collar.
The whole drill collar is a smooth thick-wall circular pipe, connecting threads are machined at two ends of the circular pipe, a plurality of right-handed spiral grooves are machined on the outer cylindrical surface of the circular drill collar by the spiral drill collar so as to reduce the contact area with a well wall, pressure difference drill clamping can be effectively prevented, and a hanging clamp groove and a slip groove can be machined on the outer surface of an internal thread of the drill collar in order to facilitate tripping operation.
Because the length of the drill collar is longer, the drill collar is usually required to be rotated in the processing process of the outer wall of the drill collar, and along with the increase of the length of the drill collar, the drill collar is likely to deflect in the rotating process because the drill collar is longer in the processing and rotating process, so that the processing of the drill collar fails.
SUMMERY OF THE UTILITY MODEL
The utility model provides a clamping device is used in processing of drill collar outer wall to solve the not enough of above-mentioned prior art, drill collar centre gripping operation is simple, can realize the rotation of drill collar after accomplishing the centre gripping, makes things convenient for the processing of drill collar outer wall, improves the machining efficiency of drill collar, has stronger practicality.
In order to realize the purpose of the utility model, the following technologies are adopted:
a clamping device for processing the outer wall of a drill collar comprises a lower supporting unit, wherein clamping mechanisms are arranged at two ends of the lower supporting unit;
the lower supporting unit comprises a base plate, a guide part is fixedly installed at the upper end of the base plate in an upward extending mode, side plates are formed on two side walls of the guide part, telescopic plates penetrate through two ends of the guide part, guide grooves are formed in two side walls of the inner side end of each telescopic plate, the side plates are clamped in the guide grooves, a pair of cylinders are fixedly installed at the central position of the upper end of the guide part, fixed plates are fixedly installed at the other ends of the cylinders, the lower ends of the fixed plates are fixedly installed on the telescopic plates, supporting legs are fixedly installed on the lower surfaces of the outer side ends of the telescopic;
the clamping mechanism comprises extruding and pushing assemblies arranged at the outer side ends of the telescopic plates and clamping assemblies arranged at the two ends of the substrate;
the squeezing and pushing assemblies are all positioned at the inner side of the clamping assembly;
the squeezing and pushing assembly moves towards the clamping assembly end under the movement of the expansion plate, and the clamping assembly acts on the inner wall of the drill collar to complete the clamping operation of the drill collar.
Furthermore, the squeezing and pushing assembly comprises a pair of supporting plates, the lower ends of the supporting plates are fixedly mounted on the upper surface of the outer side end of the telescopic plate, a motor fixing plate is fixedly mounted on the outer wall of one of the supporting plates, a motor is fixedly mounted at the upper end of the motor fixing plate, an output shaft of the motor is connected with a rotating shaft, the rotating shaft penetrates through the upper end of the supporting plate, and a squeezing and pushing piece is fixedly mounted at the inner side end of the rotating shaft.
Furthermore, the extruding and pushing piece comprises a middle rod which is fixedly arranged at the inner side end of the rotating shaft, and extruding and pushing pieces are formed on the outer wall of the middle rod in a circumferential array mode.
Furthermore, two pairs of extension plates are arranged on two sides of two ends of the substrate in an outward extending manner;
the centre gripping subassembly includes that the lower extreme all installs two pairs of swash plates that are fixed in the epitaxial board, every upper end to the swash plate all is equipped with the collar, the collar inboard end all takes shape there is the assembly annular, all be equipped with the assembly pole with circumference array in the assembly annular, assembly pole medial extremity all extends in the assembly annular, the installation is fixed with the rotation piece on the extension end of assembly pole, the outer wall of rotation piece is taken shape with circumference array and has had the branch spare to extend outwards, branch spare takes shape from terminal surface inwards extension ground has the guide way, all be equipped with the motion piece in the guide way, the installation of motion piece outer wall is fixed with the holder, the inner wall of holder is the inclined plane, the inner wall intermediate position department of holder all forms there is the draw-in groove, the quantity and the one-to-one that the crowded push jack quantity of holder equals, during the holder centre gripping.
Further, the outer wall of the clamping piece is an arc wall, and a rubber pad is arranged on the outer wall of the clamping piece.
Further, the distance from the inner wall of the outer end of the clamping piece to the outer wall is smaller than the distance from the inner wall of the inner end to the outer wall.
The technical scheme has the advantages that:
1. the lower supporting unit is used for supporting the clamping mechanism and assisting in clamping operation of the clamping mechanism during clamping of the drill collar, specifically, a guide piece is used for guiding and supporting the telescopic plate, the cylinder is used for telescopic movement of the telescopic plate, and the supporting leg is used for supporting the telescopic plate during movement;
2. and the clamping mechanism is used for clamping two ends of the drill collar. In particular, the clamping mechanism consists of a clamping component and an extruding and pushing component, wherein the clamping component is used for completing the clamping operation of two ends of the drill collar, and the extruding and pushing component assists the clamping component to complete the clamping operation, in the clamping process, the extruding and pushing assembly is driven by the expansion plate to move towards the side of the clamping assembly, in the moving process, the extruding and pushing plate acts on the clamping piece with the inner wall being an inclined surface, because the inner wall of the clamping piece is an inclined plane, when the extruding and pushing plate continuously moves inwards, the clamping piece is pushed to move outwards, and in the process of moving outwards, the outer wall of the clamping piece is in close contact with the inner wall of the drill collar to finally complete the clamping operation of the drill collar, meanwhile, in order to conveniently realize the processing of the outer wall of the drill collar, the drill collar starts to rotate under the driving of the motor, meanwhile, in order to enable the drill collar to rotate under the driving of the motor, a clamping groove is formed in the inner wall of the clamping piece, so that the motor can drive the clamping piece to rotate on the mounting ring;
3. the utility model discloses drill collar centre gripping operation is simple, can realize the rotation of drill collar after accomplishing the centre gripping, makes things convenient for the processing of drill collar outer wall, improves the machining efficiency of drill collar, 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 device for processing an outer wall of a drill collar comprises a lower support unit 1, wherein two ends of the lower support unit 1 are provided with clamping mechanisms 2.
The lower supporting unit 1 comprises a substrate 10, a guide member 11 is installed and fixed on the upper end of the substrate 10 in an upward extending manner, side plates 110 are formed on two side walls of the guide member 11, expansion plates 12 penetrate through two ends of the guide member 11, guide grooves 120 are formed in two side walls of the inner side end of the expansion plate 12, the side plates 110 are clamped in the guide grooves 120, a pair of air cylinders 15 are installed and fixed at the central position of the upper end of the guide member 11, a fixing plate 16 is installed and fixed on the other end of each air cylinder 15, the lower end of each fixing plate 16 is installed and fixed on the expansion plate 12, supporting legs 13 are installed and fixed on the lower surface of the outer side end of the.
The clamping mechanism 2 comprises squeezing and pushing assemblies arranged at the outer side ends of the telescopic plates 12 and clamping assemblies arranged at the two ends of the base plate 10, the squeezing and pushing assemblies are located on the inner sides of the clamping assemblies, the squeezing and pushing assemblies move towards the ends of the clamping assemblies under the movement of the telescopic plates 12, the clamping assemblies act on the inner walls of the drill collar, and the clamping operation of the drill collar is completed. The squeezing and pushing assembly comprises a pair of supporting plates 22, the lower ends of the supporting plates are fixedly mounted on the upper surface of the outer side end of the telescopic plate 12, a motor fixing plate 23 is fixedly mounted on the outer wall of one supporting plate 22, a motor 24 is fixedly mounted at the upper end of the motor fixing plate 23, an output shaft of the motor 24 is connected with a rotating shaft 25, the rotating shaft 25 penetrates through the upper end of the supporting plate 22, and squeezing pieces are fixedly mounted at the inner side ends of the rotating shaft 25. The pushing member includes a middle rod 250 fixed at the inner end of the rotating shaft 25, and pushing pieces 251 are formed on the outer wall of the middle rod 250 in a circumferential array.
Two pairs of extension plates 14 are installed on both sides of both ends of the base plate 10 in an outwardly extending manner, the clamping assembly comprises two pairs of inclined plates 20 with lower ends installed and fixed on the extension plates 14, an installation ring 21 is installed on the upper end of each pair of inclined plates 20, an assembly ring groove is formed on the inner side end of the installation ring 21, assembly rods are assembled in the assembly ring groove in a circumferential array manner, the inner side ends of the assembly rods extend out of the assembly ring groove, a rotating member 26 is installed and fixed on the extension end of the assembly rod, outward extending support members 260 are formed on the outer wall of the rotating member 26 in a circumferential array manner, guide grooves 261 are formed on the support members 260 in an inward extending manner from the end surface, moving blocks 27 are assembled in the guide grooves 261, clamping members 28 are installed and fixed on the outer walls of the moving blocks 27, the inner walls of the clamping members 28 are inclined planes, clamping grooves 280 are formed in the middle positions of the inner walls of the clamping, when the clamping member 28 clamps, the pushing pieces 251 are all clamped in the clamping slots 280. The outer wall of the clamping member 28 is an arc wall, and the outer wall of the clamping member 28 is provided with a rubber pad. The distance from the inner wall of the outboard end of the clamp 28 to the outer wall is less than the distance from the inner wall of the inboard end to the outer wall.
The specific implementation mode is as follows:
firstly, starting the air cylinder 15, so that the air cylinder 15 drives the expansion plate 12 to move outwards;
placing the drill collar between the clamping components and ensuring that two ends of the drill collar penetrate through the clamping component 28;
thirdly, starting the cylinder 15, driving the support plate 22 to move towards the drill collar end by the expansion plate 12, clamping the pushing piece 251 on the long pushing piece in the clamping groove 280 in the moving process, and moving inwards along the inclined plane of the inner wall of the clamping piece 28, wherein the pushing piece 251 continuously acts on the inner wall of the clamping piece 28 due to the inwards movement, the clamping piece 28 moves outwards along the guide groove 261 due to the outwards thrust of the pushing piece 251, and the clamping piece 28 moves outwards to act on the inner wall of the drill collar until the clamping operation of the inner wall of the drill collar is completed;
fourthly, after the clamping of the drill collar is finished, the motor 24 is started, the extrusion piece starts to rotate under the driving of the motor 24, and at the moment, the extrusion piece 251 is clamped in the clamping groove 280, so that the clamping piece 28 starts to rotate, and the processing of the outer wall of the drill collar is started until the completion.
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 (6)
1. A clamping device for processing the outer wall of a drill collar is characterized by comprising a lower supporting unit (1), wherein two ends of the lower supporting unit (1) are provided with clamping mechanisms (2);
the lower supporting unit (1) comprises a substrate (10), a guide piece (11) is fixedly installed at the upper end of the substrate (10) in an upward extending mode, side plates (110) are formed on two side walls of the guide piece (11), telescopic plates (12) penetrate through two ends of the guide piece (11), guide grooves (120) are formed in two side walls of the inner side end of each telescopic plate (12), the side plates (110) are clamped in the guide grooves (120), a pair of cylinders (15) are fixedly installed at the center position of the upper end of the guide piece (11), a fixing plate (16) is fixedly installed at the other end of each cylinder (15), the lower end of each fixing plate (16) is fixedly installed on each telescopic plate (12), supporting legs (13) are fixedly installed on the lower surface of the outer side end of each telescopic plate (12) in a downward extending mode;
the clamping mechanism (2) comprises squeezing and pushing assemblies which are arranged at the outer side end of the telescopic plate (12) and clamping assemblies which are arranged at the two ends of the substrate (10);
the squeezing and pushing assemblies are all positioned at the inner side of the clamping assembly;
the squeezing and pushing assembly moves towards the clamping assembly end under the movement of the expansion plate (12), and the clamping assembly acts on the inner wall of the drill collar to finish the clamping operation of the drill collar.
2. The clamping device for processing the outer wall of the drill collar as claimed in claim 1, wherein the pushing assembly comprises a pair of supporting plates (22) having lower ends fixed to the upper surface of the outer end of the expansion plate (12), one of the supporting plates (22) has a motor fixing plate (23) fixed to the outer wall thereof, a motor (24) is fixed to the upper end of the motor fixing plate (23), an output shaft of the motor (24) is connected to a rotating shaft (25), the rotating shaft (25) penetrates the upper ends of the supporting plates (22), and pushing members are fixed to the inner ends of the rotating shaft (25).
3. The clamping device for processing the outer wall of the drill collar as recited in claim 2, wherein the pushing member comprises a middle rod (250) fixed at the inner end of the rotating shaft (25), and the pushing pieces (251) are formed on the outer wall of the middle rod (250) in a circumferential array.
4. The clamping device for processing the outer wall of the drill collar as recited in claim 3, wherein two pairs of extension plates (14) are mounted on both sides of the base plate (10) in a manner of extending outwards;
the clamping assembly comprises two pairs of inclined plates (20) with the lower ends fixed on the extension plates (14), the upper end of each pair of inclined plates (20) is provided with a mounting ring (21), the inner side ends of the mounting rings (21) are respectively provided with an assembly ring groove, assembly rods are arranged in the assembly ring grooves in a circumferential array manner, the inner side ends of the assembly rods extend out of the assembly ring grooves, a rotating member (26) is arranged and fixed on the extending end of each assembly rod, outward extending support members (260) are formed on the outer wall of the rotating member (26) in a circumferential array manner, guide grooves (261) are formed in the support members (260) in an inward extending manner from the end faces, moving blocks (27) are arranged in the guide grooves (261) respectively, clamping members (28) are arranged and fixed on the outer wall of each moving block (27), the inner walls of the clamping members (28) are inclined planes, clamping grooves (280) are formed in the middle positions of the inner walls of the clamping members (28), the quantity of the clamping members (, when the clamping piece (28) clamps, the pushing pieces (251) are clamped in the clamping grooves (280).
5. The clamping device for processing the outer wall of the drill collar as recited in claim 4, wherein the outer wall of the clamping member (28) is an arc wall, and the outer wall of the clamping member (28) is provided with a rubber pad.
6. The clamping device for processing the outer wall of the drill collar as recited in claim 4, wherein the distance from the inner wall of the outer end of the clamping member (28) to the outer wall is smaller than the distance from the inner wall of the inner end to the outer wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921448968.5U CN210388437U (en) | 2019-09-03 | 2019-09-03 | Clamping device is used in processing of drill collar outer wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921448968.5U CN210388437U (en) | 2019-09-03 | 2019-09-03 | Clamping device is used in processing of drill collar outer wall |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210388437U true CN210388437U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921448968.5U Expired - Fee Related CN210388437U (en) | 2019-09-03 | 2019-09-03 | Clamping device is used in processing of drill collar outer wall |
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| Country | Link |
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| CN (1) | CN210388437U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171354A (en) * | 2020-09-27 | 2021-01-05 | 吴子昂 | Cylindrical shaft rod piece concave arc ring groove machining device and using method thereof |
-
2019
- 2019-09-03 CN CN201921448968.5U patent/CN210388437U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112171354A (en) * | 2020-09-27 | 2021-01-05 | 吴子昂 | Cylindrical shaft rod piece concave arc ring groove machining device and using method thereof |
| CN112171354B (en) * | 2020-09-27 | 2021-08-03 | 吴子昂 | Cylindrical shaft rod piece concave arc ring groove machining device and using method thereof |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
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| CF01 | Termination of patent right due to non-payment of annual fee |