CN211388262U

CN211388262U - Polishing device for inner wall of drill collar

Info

Publication number: CN211388262U
Application number: CN201921850276.3U
Authority: CN
Inventors: 孙立家; 公宁; 高博; 高丽尚; 于长心
Original assignee: Rongpeng Tianjin Mechanical Thermal Spraying Co ltd
Current assignee: Rongpeng Tianjin Mechanical Thermal Spraying Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-01
Anticipated expiration: 2029-10-30

Abstract

The utility model discloses a drill collar inner wall burnishing device belongs to the technical field of drill collar production facility. The technical scheme is that the polishing machine comprises a rack, wherein the rack is divided into a bearing end and a polishing end, the top end of the polishing end is connected with a supporting plate, the top end of the supporting plate is supported with a polishing driving piece, the polishing driving piece is connected with a polishing rod, and the polishing driving piece drives the polishing rod to rotate; a universal coupling is arranged between the polishing rod and the polishing driving piece, and the universal coupling is used for the polishing rod to rotate in space; and a feeding assembly is arranged between the supporting plate and the polishing end and is used for enabling the supporting plate to do linear motion close to or far away from the bearing end. The effect of reducing the labor intensity of workers is achieved.

Description

Polishing device for inner wall of drill collar

Technical Field

The utility model relates to a technical field of compounding equipment, in particular to drill collar inner wall burnishing device.

Background

The drill collar is positioned at the lowest part of the drill string, is a main component of a lower drilling tool assembly and has larger gravity and rigidity. The drill collar mainly plays the following aspects in the drilling process, namely, the drill collar applies bit pressure to a drill bit; secondly, the necessary strength under the compression condition is ensured; thirdly, the vibration, the swing and the jumping of the drill bit are reduced, so that the drill bit works stably; and fourthly, well deviation is controlled, and the method has a wide development prospect.

Most of existing drill collars are examined in a casting mode, after casting is completed, workers usually polish the inner wall of the drill collar in an artificial mode to reduce friction force generated when the drill collar is matched with a drill bit in use in the future, during polishing, the workers hold a motor provided with a grinding rod in hand, then the grinding rod extends into the drill collar, the end of the grinding rod is abutted against the inner wall of the drill collar, and the motor drives the grinding rod to rotate to achieve polishing work on the inner wall of the drill collar.

The technical scheme has the following defects that the volume of the drill collar is large, the size of the drill collar is long, and the labor intensity of workers is increased by adopting a mode of polishing the inner wall of the drill collar manually.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a drill collar inner wall burnishing device reduces workman intensity of labour's effect.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a polishing device for the inner wall of a drill collar comprises a rack, wherein the rack is divided into a bearing end and a polishing end, the top end of the polishing end is connected with a supporting plate, the top end of the supporting plate supports a polishing driving piece, the polishing driving piece is connected with a polishing rod, and the polishing driving piece drives the polishing rod to rotate; a universal coupling is arranged between the polishing rod and the polishing driving piece, and the universal coupling is used for the polishing rod to rotate in space; and a feeding assembly is arranged between the supporting plate and the polishing end and is used for enabling the supporting plate to do linear motion close to or far away from the bearing end.

By adopting the scheme, when polishing is carried out, the bearing end provides bearing force for the drill collar, so that the drill collar is stably placed on the rack; the polishing driving piece of the polishing end stretches the polishing rod into the drill collar from the end of the drill collar, the polishing driving piece drives the universal coupling and the polishing rod to rotate simultaneously, the polishing rod rotates along the inner wall of the drill collar while rotating due to the arranged universal coupling, the feeding assembly drives the polishing rod to push the polishing rod along the axis direction of the drill collar, the inner wall of the drill collar is polished, the manual polishing mode is replaced, the labor steps participated by workers are reduced, and the effect of reducing the labor intensity of the workers is achieved.

The utility model discloses further set up to: the feeding assembly comprises a feeding motor, a feeding gear and a feeding rack, the feeding motor is fixedly connected to the side face, facing the rack, of the supporting plate, the feeding gear is fixedly connected with the feeding motor, the feeding motor drives the feeding gear to rotate, the feeding gear is meshed with the feeding rack, the feeding rack is fixedly connected to the polishing end, and the feeding rack is arranged facing the bearing end.

By adopting the scheme, the transmission precision of the feeding gear and the feeding rack is higher, and the slipping phenomenon in the transmission process can be reduced, so that the stability of the polishing rod during linear feeding motion is improved, and the use stability of the equipment is improved.

The utility model discloses further set up to: the height adjusting assembly is arranged between the supporting plate and the polishing driving piece, and the height adjusting assembly is used for enabling the polishing driving piece and the polishing rod to be close to or far away from the lifting motion of the supporting plate.

Through adopting above-mentioned scheme, because the thickness of drill collar is inequality, the altitude mixture control subassembly that sets up can be adjusted the height at backup pad place, and then adjusts the working height of pole of polishing to adapt to the drill collar of co-altitude not, improved the adaptability when the pole of polishing uses.

The utility model discloses further set up to: the height adjusting assembly comprises an adjusting plate, the adjusting plate is arranged in parallel to the supporting plate and is positioned above the supporting plate, the polishing driving piece is fixedly connected with the side surface, close to the supporting plate, of the adjusting plate, an adjusting screw rod is fixedly connected to the top end of the adjusting plate, the adjusting screw rod is arranged perpendicular to the adjusting plate, a top plate penetrates through the adjusting screw rod, an adjusting nut is abutted to the top end of the top plate and is in threaded connection with the adjusting screw rod, and the top plate is parallel to the; the adjusting plate, the supporting plate and the top plate are provided with sliding limiting assemblies, and the sliding limiting assemblies restrict the adjusting plate from rotating between the top plate and the supporting plate.

Through adopting above-mentioned scheme, roof, backup pad and slip restriction subassembly support the regulating plate jointly, make the regulating plate when adjusting nut rotates, adjusting screw drives the regulating plate and goes up and down under threaded connection's characteristic, and then drives the driving piece of polishing and polish the pole through the regulating plate and carry out the elevating movement, have reached height adjusting assembly's result of use.

The utility model discloses further set up to: the sliding limiting assembly comprises limiting holes, the number of the limiting holes is at least two, the limiting holes are formed in the adjusting plate, each limiting hole is provided with a limiting rod in an inserted mode, one end of each limiting rod is fixedly connected with the supporting plate, and the other end of each limiting rod is fixedly connected with the top plate. .

Through adopting above-mentioned scheme, the slip restriction subassembly that sets up restricts the movement track of regulating plate through the hardness of restriction pole, makes the regulating plate only can carry out elevating movement along the restriction pole, and simple structure, settling are convenient, have improved the use convenience of slip restriction subassembly.

The utility model discloses further set up to: the number of the limiting holes is four, and the four limiting holes are respectively located at four top corners of the adjusting plate.

Through adopting above-mentioned scheme, the cooperation in four restriction holes is used and can be to the regulating plate provide more stable restriction effect, makes the regulating plate more stable at the in-process that carries out elevating movement, prevents that the regulating plate from taking place to rotate when carrying out elevating movement, leads to the condition emergence that the pole of polishing appears unable to use, further improvement the stability that altitude mixture control subassembly used.

The utility model discloses further set up to: and the limiting assembly is arranged at the position where each limiting hole is formed, and the limiting assembly is used for keeping the relative position of the adjusting plate and the limiting rod fixed.

Through adopting above-mentioned scheme, the spacing subassembly that sets up can lock the relative position of regulating plate and restriction pole, makes the regulating plate can be stable maintain on appointed height, makes the pole of polishing have comparatively stable hanging position, and the pole of polishing of being convenient for carries out the work of polishing, has improved height adjusting assembly's use convenience.

The utility model discloses further set up to: the limiting assembly comprises a limiting nut fixedly connected to the adjusting plate, a limiting bolt is connected to the limiting nut through threads, and the limiting bolt is abutted to the limiting rod.

Through adopting above-mentioned scheme, because threaded connection has better stability to can improve the stability in use of restriction subassembly, secondly, the operation between restriction bolt and the restriction nut is comparatively simple, and the workman of being convenient for operates, has improved the convenience that the restriction subassembly used.

To sum up, the utility model discloses following beneficial effect has:

1. the effect of reducing the labor intensity of workers is achieved by the matched use of the frame, the bearing assembly, the polishing driving piece and the polishing rod;

2. the height adjusting assembly improves the convenience of the equipment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a configuration of a sanding tip;

fig. 3 is a schematic structural diagram of a carrying terminal.

Reference numerals: 1. a frame; 11. a carrying end; 111. collecting tank; 12. Polishing the end; 2. a support plate; 21. polishing the driving piece; 22. grinding the rod; 23. a universal coupling; 3. a feeding assembly; 31. a feed motor; 32. a feed gear; 33. a feed rack; 4. a height adjustment assembly; 41. an adjusting plate; 42. a top plate; 43. a slide restraint assembly; 431. a limiting aperture; 432. a restraining bar; 44. adjusting the screw rod; 45. adjusting the nut; 5. a limiting component; 51. a restraining nut; 52. a restraining bolt; 6. a load bearing assembly; 61. a carrier plate; 611. moving the handle; 62. a bearing seat; 7. a cooling liquid supply assembly; 71. a supply pump; 72. a supply pipe; 721. storing the tube plate; 722. a storage tube hole; 73. a supply tank; 731. a filtering chamber; 732. an output chamber; 8. a filtration recovery assembly; 81. a recovery pipe; 82. a filter plate.

Detailed Description

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

A polishing device for the inner wall of a drill collar comprises a long-strip-shaped frame 1, wherein the frame 1 is divided into two parts, one part is a bearing end 11, the other part is a polishing end 12, a bearing assembly 6 is supported at the top of the bearing end 11, a long-strip-shaped collecting tank 111 is fixedly connected in the bearing end 11, the length of the collecting tank 111 is equal to that of the bearing end 11, the bottom wall in the collecting tank 111 is arranged in an arc shape, the lowest point in the collecting tank 111 is a liquid storage point, and the bearing end 11 is provided with a cooling liquid supply assembly 7 and a filtering and recovering assembly 8; the polishing end 12 is connected with a support plate 2 through a pulley and a sliding rail, the pulley is rotatably connected with the support plate 2, and the sliding rail is fixedly connected to the top end of the polishing end 12; the polishing end 12 is supported by a polishing driving piece 21 through a square supporting plate 2, the polishing driving piece 21 is a motor, the polishing driving piece 21 is connected with a long-strip-shaped polishing rod 22 through a universal coupling 23, the polishing rod 22 is arranged towards the bearing end 11, the supporting plate 2 is connected with a feeding assembly 3, and the feeding assembly 3 drives the supporting plate 2 and the polishing driving piece 21 to make linear approaching or departing movement towards the direction of the bearing end 11; the supporting plate 2 is provided with a height adjusting component 4, and the height adjusting component 4 is used for adjusting the height of the grinding driving piece 21 and the grinding rod 22. When the drill collar is used, the drill collar is placed on the bearing component 6 of the bearing end 11 in a hoisting mode, the bearing component 6 provides supporting force for the drill collar, then the grinding rod 22 is driven by the feeding component 3 to extend into the drill collar, the grinding driving component 21 drives the grinding rod 22 to rotate in the drill collar, the universal coupling 23 provides a hinge point for the grinding rod 22 to overturn in space, and the grinding rod 22 is enabled to rotate and move circumferentially along the inner wall of the drill collar. When the grinding rod 22 is used for grinding the drill collar, the cooling liquid supply assembly 7 supplies cooling liquid to the grinding rod 22, and after the cooling liquid falls into the collecting groove 111, the cooling liquid is collected at a liquid storage point, collected through the filtering and recycling assembly 8 and supplied to the drill collar again, so that the effect of reducing the labor intensity of workers is achieved.

Combine fig. 1 and fig. 3, bearing end 11 and having placed a plurality of bearing assemblies 6, every bearing assembly 6 all includes rectangular loading board 61, loading board 61 is horizontal on the top of bearing end 11, loading board 61 an organic whole is connected with and bears seat 62, bears the setting of seat 62 top surface and is the V form, the equal fixedly connected with in both ends of loading board 61 removes handle 611, removes handle 611 and is the setting of C type, removes handle 611 fixed connection on the top of loading board 61.

Referring to fig. 1 and 3, the cooling liquid supply assembly 7 includes a square supply tank 73, the supply tank 73 contains a cooling liquid, the supply tank 73 is divided into a filter chamber 731 and an output chamber 732, the output chamber 732 is connected with a supply pipe 72, the supply pipe 72 is connected with a supply pump 71, the supply pump 71 is fixedly connected below the bearing end 11, the supply pipe 72 is connected with the supply pump 71 and extends to the position of the bearing end 11 near the polishing end 12, the position of the bearing end 11 near the polishing end 12 is fixedly connected with a rectangular tube storage plate 721, the tube storage plate 721 is perpendicular to the bearing end 11, the top end of the tube storage plate 721 is provided with a circular tube storage hole 722, and the supply pipe 72 is inserted into the tube storage hole 722 for temporary storage and waits for use by a worker.

With reference to fig. 1 and 3, the filtering and recycling assembly 8 includes a circular recycling pipe 81, one end of the recycling pipe 81 is communicated with a liquid storage point, the other end of the recycling pipe is communicated with a filtering chamber 731, the filtering chamber 731 is divided into a plurality of standing areas, the adjacent standing areas are isolated by a filtering plate 82, the filtering plate 82 which is adopted between the filtering chamber 731 and an output chamber 732 is separated, filtering holes are formed in each filtering plate 82, the filtering holes in the filtering plate 82 are not used to be gradually enlarged in a mode of deviating from the output chamber 732, the filtering precision is gradually improved in a direction close to the output chamber 732, and scrap iron in the recycled cooling liquid is filtered.

With reference to fig. 1 and 2, the feeding assembly 3 includes a feeding motor 31, the feeding motor 31 is fixedly connected to a side surface of the supporting plate 2 near the polishing end 12, the feeding motor 31 is connected to a feeding gear 32, the feeding gear 32 is engaged with a feeding rack 33, the feeding rack 33 is fixedly connected to the frame 1, and the feeding rack 33 is disposed toward the carrying end 11. After the feeding motor 31 drives the feeding rack 33 to rotate, the roller rolls on the rail to reduce the friction between the support plate 2 and the rack 1, and further, the use effect of linear motion of the support plate 2 approaching or departing from the bearing end 11 is realized.

With reference to fig. 1 and 2, the height adjusting assembly 4 includes an adjusting plate 41, a top plate 42 and a sliding limiting assembly 43, the adjusting plate 41 and the top plate 42 are rectangular plates, the adjusting plate 41, the top plate 42 and the support plate 2 are parallel to each other, the adjusting plate 41 is located above the support plate 2, the top plate 42 is located above the adjusting plate 41, the sliding limiting assembly 43 includes circular limiting holes 431, the number of the limiting holes 431 is four, and four limiting cylinders are distributed at four top corners of the adjusting plate 41; a round rod-shaped limiting rod 432 is inserted into each limiting hole 431, one end of each limiting rod 432 is fixedly connected to the top surface of the supporting plate 2, the other end of each limiting rod 432 is fixedly connected to the bottom surface of the top plate 42, an adjusting screw 44 is fixedly connected to the top surface of the adjusting plate 41, the adjusting screw 44 is perpendicular to the adjusting plate 41, an adjusting nut 45 is in threaded connection after the adjusting screw 44 penetrates through the top plate 42, and the adjusting nut 45 abuts against the top plate 42; the adjusting plate 41 is provided with limiting assemblies 5 at positions where the adjusting holes are formed, each limiting assembly 5 comprises a limiting nut 51 and a limiting bolt 52, the limiting nuts 51 are fixedly connected to the adjusting plate 41, the side faces of the limiting nuts 51 are connected with the adjusting plate 41, and after the limiting bolts 52 are in threaded connection with the adjusting nuts 45, the ends of the limiting bolts 52 abut against the side faces of the adjusting screws 44.

The utility model discloses a use as follows: when the drill collar is used, a worker firstly places the drill collar at the bearing end 11, the bearing assemblies 6 support the drill collar, the drill collar is clamped in the bearing assemblies 6, then the worker adjusts the height of the polishing rod 22, firstly, the limiting bolt 52 is unscrewed, then, the adjusting nut 45 is screwed, the adjusting screw 44 drives the adjusting plate 41 to move up or down, when the axis of the drill collar and the polishing rod 22 are in a collinear state, the limiting bolt 52 is screwed down, the relative positions of the adjusting plate 41 and the limiting rod 432 are fixed, then the feeding assembly 3 drives the supporting plate 2 and the part above the supporting plate 2 to move towards the direction of the drill collar, after the polishing rod 22 enters the drill collar, the polishing driving part 21 drives the polishing rod 22 to rotate in the drill collar, meanwhile, the supply pipe 72 extends into the drill collar to output cooling liquid, the cooling liquid flowing out of the drill collar falls into the collecting groove 111 to be collected, the coolant is collected at the liquid storage point of the collection tank 111, and the collected coolant enters the filter chamber 731 through the recovery pipe 81, passes through the effect of multiple filtering, and is resupplied to the output chamber 732 and used by the supply pipe 72. In conclusion, through the steps, the effect of reducing the labor intensity of workers is achieved.

The above-mentioned embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent laws and protection within the scope of the present invention.

Claims

1. The utility model provides a drill collar inner wall burnishing device which characterized in that: the grinding machine comprises a rack (1), wherein the rack (1) is divided into a bearing end (11) and a grinding end (12), the top end of the grinding end (12) is connected with a supporting plate (2), the top end of the supporting plate (2) is supported with a grinding driving piece (21), the grinding driving piece (21) is connected with a grinding rod (22), and the grinding driving piece (21) drives the grinding rod (22) to rotate; a universal coupling (23) is arranged between the grinding rod (22) and the grinding driving piece (21), and the universal coupling (23) is used for the grinding rod (22) to rotate in space; a feeding component (3) is arranged between the supporting plate (2) and the polishing end (12), and the feeding component (3) is used for the supporting plate (2) to do linear motion close to or far away from the bearing end (11).

2. The device for polishing the inner wall of a drill collar as claimed in claim 1, wherein: the feeding assembly (3) comprises a feeding motor (31), a feeding gear (32) and a feeding rack (33), the feeding motor (31) is fixedly connected to the side face, facing the rack (1), of the supporting plate (2), the feeding gear (32) is fixedly connected with the feeding motor (31), the feeding motor (31) drives the feeding gear (32) to rotate, the feeding gear (32) is meshed with the feeding rack (33) and is connected with the feeding rack (33), the feeding rack (33) is fixedly connected to the grinding end (12), and the feeding rack (33) is arranged facing the bearing end (11).

3. The device for polishing the inner wall of a drill collar as claimed in claim 1, wherein: a height adjusting assembly (4) is arranged between the supporting plate (2) and the polishing driving piece (21), and the height adjusting assembly (4) is used for enabling the polishing driving piece (21) and the polishing rod (22) to be close to or far away from the lifting motion of the supporting plate (2).

4. The device for polishing the inner wall of a drill collar as claimed in claim 3, wherein: the height adjusting assembly (4) comprises an adjusting plate (41), the adjusting plate (41) is arranged in parallel to the supporting plate (2) and is positioned above the supporting plate (2), the grinding driving piece (21) and the adjusting plate (41) are fixedly connected with the side face close to the supporting plate (2), the top end of the adjusting plate (41) is fixedly connected with an adjusting screw rod (44), the adjusting screw rod (44) is arranged perpendicular to the adjusting plate (41), a top plate (42) penetrates through the adjusting screw rod (44), the top end of the top plate (42) is abutted with an adjusting nut (45), the adjusting nut (45) is in threaded connection with the adjusting screw rod (44), and the top plate (42) is parallel to the adjusting plate (41); the adjusting plate (41), the supporting plate (2) and the top plate (42) are provided with sliding limiting assemblies (43), and the sliding limiting assemblies (43) restrict the adjusting plate (41) from rotating between the top plate (42) and the supporting plate (2).

5. The device for polishing the inner wall of a drill collar as claimed in claim 4, wherein: the sliding limiting assembly (43) comprises limiting holes (431), the number of the limiting holes (431) is at least two, the limiting holes (431) are formed in the adjusting plate (41), limiting rods (432) are inserted into each limiting hole (431), one end of each limiting rod (432) is fixedly connected with the supporting plate (2), and the other end of each limiting rod is fixedly connected with the top plate (42).

6. The device for polishing the inner wall of a drill collar as claimed in claim 5, wherein: the number of the limiting holes (431) is four, and the four limiting holes (431) are respectively positioned at four top corners of the adjusting plate (41).

7. The device for polishing the inner wall of a drill collar as claimed in claim 5, wherein: and a limiting assembly (5) is arranged at the position where each limiting hole (431) is formed, and the relative position between the adjusting plate (41) and the limiting rod (432) is kept fixed by the limiting assembly (5).

8. The apparatus as claimed in claim 7, wherein: spacing subassembly (5) including fixed connection limiting nut (51) on regulating plate (41), threaded connection has limiting bolt (52) in limiting nut (51), limiting bolt (52) and restriction pole (432) butt.