Polishing device for drill rod production

Abstract

The utility model discloses a grinding device for drill rod production, and particularly relates to the technical field of drill rod production and processing, the grinding device comprises a base, a linear module is arranged on one side of the top of the base, and the top of a sliding block in the linear module is connected with a mounting seat. The drill rod grinding device is suitable for grinding drill rods with different inner diameters, and the application range is wide; when the grinding block is abraded and needs to be replaced, the twisting handle is twisted to drive the rotating rod to rotate, the push rod is driven to move out of the inserting groove in a transmission mode, and then the grinding block can be disassembled and assembled, the steps are repeated, after the fixing base is inserted into the installing groove of the grinding block, force applied to the twisting handle is released, and the push rod is reset and inserted into the corresponding inserting groove under torsion of the torsion spring. The grinding block is replaced and mounted, and the practicability is high; the drill rod can be clamped and fixed through the limiting assembly so as to be ground and machined conveniently, and the corresponding clamping plate can be replaced according to the specification of the drill rod for use.

Description

Technical Field

[0001] The utility model relates to the technical field of drill rod production and processing, in particular to a grinding device for drill rod production. Background Art

[0002] Drill pipe is a steel pipe with a threaded tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or drilling device at the bottom of the well. The purpose of the drill pipe is to transport drilling mud to the drill bit, and to raise, lower or rotate the bottom hole device together with the drill bit; in the process of oil and gas extraction and refining, the drill pipe can be used many times; and the inner and outer walls of the drill pipe need to be polished by a grinding device during the production and processing process.

[0003] The patent with publication number CN214418445U discloses an integrated machine for grinding the inner hole and outer wall of an oil drill pipe; the inner hole and outer wall of the oil drill pipe can be ground at the same time, saving manpower, improving work efficiency and improving reliability of use; the machine comprises a frame on which a rotating device for driving the drill pipe to rotate is installed; the machine also comprises an inner hole grinding device and an outer wall grinding device, the inner hole grinding device comprises a first slide, a second slide, a first linear slide rail, a first slider, a first motor, a second linear slide rail, a second slider, a driving cylinder, a first grinding motor, a grinding rod and a grinding head, the outer wall grinding device comprises a sliding bracket, a driving mechanism for driving the sliding bracket to move left and right, a third linear slide rail, a third slider, a lifting plate and a lifting cylinder for driving the lifting plate to move up and down, a grinding belt and a second grinding motor for driving the grinding belt are installed on the lifting plate.

[0004] During use, the grinding device for oil drill pipe processing drives the grinding rod and the grinding head through a motor to grind the inner wall of the oil drill pipe. However, oil drill pipes of different sizes have different diameters. The above device can only be adapted to drill pipes of a single size. For drill pipes of different sizes, the corresponding grinding head needs to be replaced. It is inconvenient to use, has a small scope of application, and is relatively poor in practicality. Utility Model Content

[0005] The purpose of the utility model is to provide a grinding device for drill rod production to solve the problems raised in the above background technology.

[0006] 7. The swiftly and minutely adjusting device for a wood-planer working table as claimed in claim 1, wherein said linking rod and said adjusting base are pivotally connected to each other with a bolt, and said bolt has a round shank to contact with said linking rod. said linking rod has a round shank to contact with said linking rod.

[0007] Furthermore, the grinding mechanism also includes a fixed seat, a mounting groove is provided on one side wall of the grinding block close to the grinding rod, the fixed seat is installed in the mounting groove, connecting rods are movably connected at symmetrical positions at the bottom of the fixed seat, and one end of the connecting rod is movably connected to the movable ring, an adjusting cavity is provided inside the fixed seat, a rotating rod is rotatably installed in the adjusting cavity, and a twist handle is connected to the bottom of the fixed seat at the lower end of the rotating rod, and brackets are symmetrically provided on the outer wall of the rotating rod in the adjusting cavity, and the opposite outer ends of the two brackets are movably connected to push rods through a transmission rod. Rod, the relatively outer end of the push rod extends to the outside of the fixing seat and is inserted into a slot opened on the inner wall of the mounting groove, a torsion spring is sleeved on the outer side of the rotating rod below the bracket, and the two ends of the torsion spring are respectively fixedly connected to the inner wall of the adjusting cavity and the rotating rod. Through the grinding mechanism, the distance between multiple grinding blocks and the grinding rod can be adjusted as needed, so that it can be adapted to the grinding processing of oil drill pipes with different specifications and inner diameters. At the same time, when the grinding block is worn out after long-term use and needs to be replaced, the grinding block can be conveniently disassembled, replaced and installed, and the scope of application is wider and the practicality is stronger.

[0008] Furthermore, the limiting assembly includes a placing table, a plurality of telescopic rods 1 are symmetrically provided at the bottom of the placing table, and the telescopic rods 1 are arranged on the top of the base, a group of support plates symmetrically arranged front and back are symmetrically provided on the top of the placing table, telescopic rods 2 are symmetrically provided on the relatively outer sides of the two support plates, and clamps are symmetrically provided between the two support plates, and connecting sleeves are symmetrically provided on the relatively outer side walls of the clamps, and the connecting sleeves are arranged on the outer side of the telescopic end of the telescopic rod 2, an adjusting bolt is threadedly installed on the top of the connecting sleeve, and a limiting groove adapted to the adjusting bolt is provided on the outer wall of the telescopic end of the telescopic rod 2, the oil drill pipe can be clamped and fixed by the limiting assembly so as to grind it, and a suitable clamp can be selected and replaced according to the specifications of the oil drill pipe to be ground, so as to adapt to the fixed use of drill pipes of different specifications.

[0009] Furthermore, the plurality of grinding blocks are arranged in a circumferentially equidistant array, and the side of the grinding block away from the grinding rod is an arc surface, and the two ends of the connecting rod are respectively hinged to the movable ring and the fixed seat so that it can be adapted to the oil drill pipe. The connection method of the connecting rod can support the grinding block and adjust the distance between the grinding block and the grinding rod.

[0010] Furthermore, the bracket is U-shaped, and both ends of the transmission rod are hinged to the bracket and the push rod respectively. The bracket, transmission rod and push rod are arranged in a circular symmetry to transmit power and synchronously drive the two push rods to move in relative directions.

[0011] Furthermore, the relative inner walls of the two clamps are provided with arc grooves, and the inner walls of the arc grooves are provided with rubber layers. The connecting sleeves are fixedly connected to the clamps so as to fit with the drill rods. The use of the rubber layer protects the drill rods and can increase the friction between them, thereby improving the clamping and fixing effect.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0013] 1. The utility model uses a grinding mechanism, and the handle can be twisted to drive the bidirectional screw to rotate, drive the two connecting blocks to drive the moving ring to move, and then drive the connecting rod to push the grinding block to move, change the distance between the grinding block and the grinding rod, so that it can be adapted to the grinding of drill rods with different inner diameters, and has a wide range of applications; when the grinding block is worn and needs to be replaced, the twist handle is twisted to drive the rotating rod to rotate, and the transmission drives the push rod to move out of the slot, so that the grinding block can be disassembled. When installing, repeat the above steps, insert the fixed seat into the installation slot of the grinding block, release the force on the twist handle, so that the push rod is reset under the torsion of the torsion spring and inserted into the corresponding slot, and the replacement and installation of the grinding block is completed. It is easy to use and has strong practicality;

[0014] 2. The utility model can clamp and fix the drill rod through the limit assembly to facilitate grinding and processing, and the corresponding clamping plate can be replaced according to the size of the drill rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This utility model Figure 1 A is a schematic diagram of the enlarged structure of the middle part;

[0018] Figure 3It is a schematic diagram of the structure between the grinding block and the grinding rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the connection structure between the bracket and the push rod of the utility model;

[0020] Figure 5 It is a schematic diagram of the structure between the clamping plate and the placing table of the utility model;

[0021] In the figure: 1. base; 2. linear module; 3. mounting seat; 4. motor; 5. grinding rod; 6. telescopic rod 1; 7. placing table; 8. bidirectional screw; 9. connecting block; 10. moving ring; 11. grinding block; 12. fixed seat; 13. connecting rod; 14. rotating rod; 15. bracket; 16. transmission rod; 17. push rod; 18. torsion spring; 19. support plate; 20. telescopic rod 2; 21. splint; 22. connecting sleeve. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 - Figure 5 A grinding device for drill pipe production shown in the figure comprises a base 1, a linear module 2 is provided on one side of the top of the base 1, a mounting seat 3 is connected to the top of the slider in the linear module 2, in this example, the linear module 2 is the prior art, so as to adjust the motor 4 to move left and right, a motor 4 is provided on the top of the mounting seat 3, the output end of the motor 4 is connected to a grinding rod 5 on one side of the mounting seat 3, a grinding mechanism is connected to one end of the grinding rod 5, a limiting component is provided on one side of the top of the base 1, the grinding mechanism comprises a grinding block 11, and the grinding block 11 is symmetrically arranged on the outside of one end of the grinding rod 5, a chamber is opened inside one end of the grinding rod 5, a bidirectional screw 8 is rotatably installed in the chamber, and a handle is connected to the outside of the grinding rod 5 at one end of the bidirectional screw 8, a connecting block 9 threadedly connected to the bidirectional screw 8 is symmetrically sleeved on the outer wall of the bidirectional screw 8, both ends of the connecting block 9 pass through the slide groove symmetrically opened on the outer wall of the grinding rod 5, and the slide groove is connected to the chamber, a movable ring 10 is sleeved at the position of the outer side of the grinding rod 5 corresponding to the connecting block 9, and the movable ring 10 is fixedly connected to the connecting block 9.

[0024] In this example, the grinding mechanism also includes a fixed seat 12, a mounting groove is provided on one side wall of the grinding block 11 near the grinding rod 5, the fixed seat 12 is installed in the mounting groove, the bottom symmetrical positions of the fixed seat 12 are movably connected with connecting rods 13, and one end of the connecting rod 13 is movably connected to the movable ring 10, an adjustment cavity is provided inside the fixed seat 12, a rotating rod 14 is rotatably installed in the adjusting cavity, and the lower end of the rotating rod 14 is connected to a twist handle at the bottom of the fixed seat 12, and the outer wall of the rotating rod 14 is symmetrically provided with brackets 15 in the adjusting cavity, and the opposite outer ends of the two brackets 15 are movably connected to the push rods 1 through the transmission rods 16. 7. The relatively outer end of the push rod 17 extends to the outside of the fixing seat 12 and is inserted into the slot provided in the inner wall of the mounting groove. The outer side of the rotating rod 14 is sleeved with a torsion spring 18 below the bracket 15, and the two ends of the torsion spring 18 are respectively fixedly connected to the inner wall of the adjusting cavity and the rotating rod 14. Through the grinding mechanism, the distance between the plurality of grinding blocks 11 and the grinding rod 5 can be adjusted as needed, so that it can be adapted to the grinding processing of oil drill pipes with different specifications of inner diameters. At the same time, when the grinding block 11 is worn out after long-term use and needs to be replaced, the grinding block 11 can be conveniently disassembled, replaced and installed, and the scope of application is wider and the practicality is stronger. In this example, the limiting assembly includes a placing table 7, and a plurality of telescopic rods 6 are symmetrically arranged at the bottom of the placing table 7, and the telescopic rods 6 are arranged at the top of the base 1. A group of support plates 19 symmetrically arranged front and back are symmetrically arranged on the top of the placing table 7, and telescopic rods 20 are symmetrically arranged on the relatively outer sides of the two support plates 19. A clamping plate 21 is symmetrically arranged between the two support plates 19, and a connecting sleeve 22 is symmetrically arranged on the relatively outer side walls of the clamping plate 21, and the connecting sleeve 22 is sleeved on the outer side of the telescopic end of the telescopic rod 20. An adjusting bolt is threadedly installed on the top of the connecting sleeve 22, and a limiting groove compatible with the adjusting bolt is opened on the outer wall of the telescopic end of the telescopic rod 20. The oil drill pipe can be clamped and fixed by the limiting assembly so as to grind it, and the appropriate clamping plate 21 can be selected and replaced according to the specifications of the oil drill pipe to be ground, so as to adapt to the fixed use of drill pipes of different specifications. In this example, a number of grinding blocks 11 are arranged in a circumferentially equidistant array, and the side of the grinding block 11 away from the grinding rod 5 is an arc surface. In this example, the arc surface of the grinding block 11 is concentric with the grinding rod 5. The two ends of the connecting rod 13 are respectively hinged to the moving ring 10 and the fixed seat 12 to make it compatible with the oil drill pipe. The connection method of the connecting rod 13 can support the grinding block 11 and adjust the distance between the grinding block 11 and the grinding rod 5. In this example, the bracket 15 is U-shaped, and the two ends of the transmission rod 16 are respectively hinged to the bracket 15 and the push rod 17. The bracket 15, the transmission rod 16 and the push rod 17 are arranged in a circumferentially symmetrical manner to transmit power and synchronously drive the two push rods 17 to move in relative directions. In this example, arc grooves are provided on the relative inner walls of the two clamps 21, and a rubber layer is provided on the inner walls of the arc grooves. The connecting sleeve 22 is fixedly connected to the clamps 21 so as to fit with the drill rod. The use of the rubber layer protects the drill rod and can increase the friction between each other, thereby improving the clamping and fixing effect.

[0025] The working principle of the utility model is as follows: when in use, the distance between the grinding block 11 and the grinding rod 5 is adjusted according to the inner diameter of the oil drill pipe to be grinded, and the bidirectional screw 8 is driven to rotate by twisting the handle, so that the bidirectional screw 8 drives the two connecting blocks 9 to move synchronously inwardly relative to each other, and at the same time, the connecting block 9 drives the connected moving ring 10, so that the moving ring 10 drives the connecting rod 13 to push the fixed seat 12 to drive the connected grinding block 11 to move away from the grinding rod 5, so that the grinding block 11 is moved to a position suitable for the oil drill pipe to be grinded, so as to adapt to the grinding of the inner wall of the drill pipe of different specifications and sizes. When the grinding block 11 is worn and needs to be disassembled and replaced, the twist handle can be twisted to drive the rotating rod 14 to rotate and twist the torsion spring 18, and at the same time, the rotating rod 14 drives the bracket 15 to pull the transmission rod 16, thereby driving the push rod 16 to rotate. The rod 17 moves toward the side close to the rotating rod 14, so that the rotating rod 14 moves out of the slot, and the grinding block 11 can be pulled apart from the fixing seat 12 to complete the disassembly of the grinding block 11. When installing the grinding block 11, the above steps are repeated, and then the fixing seat 12 is installed in the installation groove opened on the new grinding block 11, and then the force applied to the twist handle is released, so that the rotating rod 14 is reset and rotated under the action of the torsion force of the torsion spring 18, thereby driving the two push rods 17 to move toward the relative outside, so that the push rods 17 are inserted into the slot, and the connection and fixation between the fixing seat 12 and the grinding block 11 are realized, and the replacement and installation of the grinding block 11 are completed, which is convenient to use and more practical; and the connecting sleeve 22 is connected to the telescopic rod 20 by adjusting the bolt, so that it can be selected according to the size of the oil drill pipe to be clamped and fixed. Replace the corresponding clamping plate 21 for use.

[0026] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A grinding device for drill rod production, comprising a base (1), a linear module (2) being provided on one side of the top of the base (1), characterized in that: The top of the slider in the linear module (2) is connected to a mounting seat (3), the top of the mounting seat (3) is provided with a motor (4), the output end of the motor (4) is connected to a grinding rod (5) on one side of the mounting seat (3), one end of the grinding rod (5) is connected to a grinding mechanism, a limit assembly is provided on one side of the top of the base (1), the grinding mechanism includes a grinding block (11), and the grinding block (11) is symmetrically arranged on the outside of one end of the grinding rod (5), a chamber is opened inside one end of the grinding rod (5), and the A bidirectional screw (8) is rotatably installed in the chamber, and one end of the bidirectional screw (8) is connected to a handle outside the grinding rod (5). The outer wall of the bidirectional screw (8) is symmetrically sleeved with a connecting block (9) threadedly connected to the bidirectional screw (8). Both ends of the connecting block (9) pass through a slide groove symmetrically opened on the outer wall of the grinding rod (5), and the slide groove is connected to the chamber. A movable ring (10) is sleeved at a position corresponding to the connecting block (9) on the outer side of the grinding rod (5), and the movable ring (10) is fixedly connected to the connecting block (9).

2. A grinding device for drill pipe production according to claim 1, characterized in that: The grinding mechanism further comprises a fixed seat (12), a mounting groove is provided on a side wall of the grinding block (11) close to the grinding rod (5), the fixed seat (12) is installed in the mounting groove, connecting rods (13) are movably connected at symmetrical positions at the bottom of the fixed seat (12), and one end of the connecting rod (13) is movably connected to the movable ring (10), an adjusting cavity is provided inside the fixed seat (12), a rotating rod (14) is rotatably installed in the adjusting cavity, and the lower end of the rotating rod (14) is connected to a torsion spring at the bottom of the fixed seat (12). The outer wall of the rotating rod (14) is symmetrically provided with brackets (15) in the adjusting cavity, and the opposite outer ends of the two brackets (15) are movably connected with push rods (17) through transmission rods (16), and the opposite outer ends of the push rods (17) extend to the outside of the fixing seat (12) and are inserted into a slot provided in the inner wall of the installation groove. The outer side of the rotating rod (14) is sleeved with a torsion spring (18) below the bracket (15), and the two ends of the torsion spring (18) are respectively fixedly connected to the inner wall of the adjusting cavity and the rotating rod (14).

3. A grinding device for drill pipe production according to claim 1, characterized in that: The limiting assembly comprises a placing platform (7), a plurality of telescopic rods (6) are symmetrically arranged at the bottom of the placing platform (7), and the telescopic rods (6) are arranged on the top of the base (1), a group of support plates (19) symmetrically arranged front and back are symmetrically arranged at the top of the placing platform (7), telescopic rods (20) are symmetrically arranged on the relatively outer sides of the two support plates (19), a clamping plate (21) is symmetrically arranged between the two support plates (19), a connecting sleeve (22) is symmetrically arranged on the relatively outer side walls of the clamping plate (21), and the connecting sleeve (22) is sleeved on the outer side of the telescopic end of the telescopic rod (20), an adjusting bolt is threadedly installed on the top of the connecting sleeve (22), and a limiting groove adapted to the adjusting bolt is opened on the outer wall of the telescopic end of the telescopic rod (20).

4. A grinding device for drill pipe production according to claim 2, characterized in that: The plurality of grinding blocks (11) are arranged in a circumferentially equidistant array, and the side of the grinding block (11) away from the grinding rod (5) is an arc surface. The two ends of the connecting rod (13) are respectively hinged to the movable ring (10) and the fixed seat (12).

5. A grinding device for drill pipe production according to claim 2, characterized in that: The bracket (15) is U-shaped, and the two ends of the transmission rod (16) are respectively hinged to the bracket (15) and the push rod (17), and the bracket (15), the transmission rod (16) and the push rod (17) are arranged in a circular symmetry.

6. A grinding device for drill pipe production according to claim 3, characterized in that: The opposite inner walls of the two clamping plates (21) are both provided with arc grooves, and the inner walls of the arc grooves are provided with rubber layers, and the connecting sleeves (22) are fixedly connected to the clamping plates (21).

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