An inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve

Abstract

The present invention relates to the technical field of oil pipe positioning sleeves, specifically to an inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve, comprising: a positioning seat, a bearing, a positioning cylinder and a positioning mechanism; the interior of the positioning seat is connected through a bearing, the bearing is connected through a positioning cylinder, and a positioning mechanism is provided on one side of the positioning cylinder. The inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve, by pulling a lever, drives the inner gear ring to retract the fan plate into the through groove, and then inserts the T-shaped tube into the positioning cylinder, loosens the lever to drive the fan plate to rotate into the arc groove, and fixes the T-shaped tube in the positioning cylinder, so as to facilitate the installation of the positioning plate of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve, by pushing the sleeve to one side, pulling the upper clamping rod to adjust the support position according to the length of the oil pipe, and then loosening the T-shaped cylinder to fix the moving rod, so as to facilitate the adjustment of the clamping plate position of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve.

Description

Technical Field

[0001] The invention relates to the technical field of oil pipe positioning sleeves, in particular to an inner-coated oil pipe chamfering sandblasting follow-up rotating positioning sleeve. Background Art

[0002] Internal coating oil pipes are widely used in the oil industry and play an outstanding role in solving the problems of oil pipe corrosion and scaling. Before spraying the coating, the surface of the oil pipe needs to be sandblasted to remove the rust and oxide scale on the surface, revealing the original color of the substrate, and forming a certain roughness on the surface of the metal substrate so that the sprayed coating can be firmly attached to the substrate surface. When sandblasting the oil pipe, an internal coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve is needed to fix the oil pipe. The existing internal coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve has certain defects when used, such as;

[0003] When an inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve is used to fix oil pipes of other diameters, the positioning plate ring needs to be replaced. However, the existing inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve needs to be disassembled with the help of tools when replacing the positioning plate, and the threaded holes need to be aligned before installation, which makes the replacement efficiency slow. In addition, when the existing inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve adjusts the oil pipe clamp according to the length of the oil pipe, tools such as wrenches are needed to tighten it, which is very troublesome to operate. Summary of the Invention

[0004] The purpose of the present invention is to provide a follow-up rotating positioning sleeve for chamfering and sandblasting an inner coating oil pipe, so as to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions: an inner coating oil pipe chamfer sandblasting follow-up rotary positioning sleeve, comprising: a positioning seat, a bearing, a positioning cylinder and a positioning mechanism;

[0006] A bearing is connected through the interior of the positioning seat, a positioning cylinder is connected through the interior of the bearing, and a positioning mechanism is provided on one side of the positioning cylinder;

[0007] A clamping mechanism is provided inside the positioning cylinder, and the positioning mechanism includes: a T-shaped tube, a connecting plate, a positioning plate, a first strong magnet, a second strong magnet, a ring groove, a through groove, an arc groove, an inner gear ring, a gear, a fan-shaped plate, a through port, a lever, a tension spring and a vertical plate. One end of the positioning cylinder is slidably connected to the T-shaped tube, the connecting plate is fixedly connected to the inner wall of the T-shaped tube, the other end of the connecting plate is fixedly connected to the positioning plate, the outside of the T-shaped tube is connected to the first strong magnet, the second strong magnet is adsorbed on one side of the first strong magnet, and the second strong magnet is connected to the outside of the positioning cylinder;

[0008] The clamping mechanism includes: a slide groove, a moving rod, a limiting groove, a limiting rod, an upper clamping rod, a lower clamping rod, a limiting column, a bidirectional threaded rod, a T-shaped cylinder, an arc cavity, a tapered groove, a circular plate, a sleeve, a trapezoidal groove, a spring and a rubber plate. A slide groove is provided in the front inner wall and the rear inner wall of the positioning cylinder. The slide groove is slidably connected to the moving rod. A limiting groove is provided in the moving rod. The limiting groove is internally slidably connected to the limiting rod, and the limiting rod is connected to the inner wall of the slide groove.

[0009] Preferably, an annular groove is provided in the inner wall of the positioning cylinder close to the T-shaped tube, a through groove is provided on the inner side of the annular groove, and an arc-shaped groove is provided on the outer side of the T-shaped tube.

[0010] Preferably, the inner rotation of the annular groove is connected to an inner gear ring, the inner side of the inner gear ring is meshed with a gear, the gear is rotationally connected to the inner wall of the through groove, and one side of the gear is connected to a fan-shaped plate, the fan-shaped plate is rotationally connected to the inner wall of the through groove, and the fan-shaped plate is engaged in the arc groove.

[0011] Preferably, a through opening is opened above the annular groove, a pull rod is slidably connected in the through opening, the pull rod is connected above the inner gear ring, and the rear of the pull rod is connected to a tension spring, the rear of the tension spring is connected to a vertical plate, and the vertical plate is connected to the outside of the positioning cylinder.

[0012] Preferably, an upper clamping rod is provided on the side of the positioning cylinder away from the T-shaped tube, and a lower clamping rod is provided below the upper clamping rod. Rubber plates are connected to the inner walls of the upper clamping rod and the lower clamping rod, and sliding limiting columns are passed through the upper clamping rod and the lower clamping rod. The limiting columns are passed through and fixed in the moving rod, and the upper clamping rod and the lower clamping rod away from the limiting columns are internally threaded with a bidirectional threaded rod.

[0013] Preferably, a T-shaped cylinder is slidably sleeved on the outer side of the moving rod, and the T-shaped cylinder is connected to one side of the positioning cylinder. Arc-shaped cavities are opened above and below the moving rod, and conical grooves are opened above and below the T-shaped cylinder. A circular plate is slidably connected in the conical groove, and the circular plate is clamped in the arc-shaped cavity.

[0014] Preferably, a sleeve is slidably sleeved on the outer side of the T-shaped cylinder, the sleeve is arranged on the outer side of the circular plate, and trapezoidal grooves are provided on the upper and lower sides of the inner wall of the sleeve;

[0015] One side of the T-shaped cylinder is in contact with a spring, the spring is sleeved on the outside of the T-shaped cylinder, and the spring is in contact with one side of the positioning cylinder.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: the inner coating oil pipe chamfering sandblasting servo rotating positioning sleeve, by pulling the lever, drives the inner gear ring to retract the sector plate into the through groove, then inserts the T-shaped tube into the positioning cylinder, loosens the lever to drive the sector plate to rotate into the arc groove, fixes the T-shaped tube in the positioning cylinder, and thus facilitates the installation of the positioning plate of the inner coating oil pipe chamfering sandblasting servo rotating positioning sleeve, by pushing the sleeve to one side, pulling the upper clamping rod to adjust the support position according to the length of the oil pipe, then loosens the T-shaped tube, fixes the moving rod, and thus facilitates the adjustment of the clamping plate position of the inner coating oil pipe chamfering sandblasting servo rotating positioning sleeve, the specific contents are as follows:

[0017] 1. By pulling the lever, the inner gear ring rotates, and the inner gear ring drives the gear to rotate, which drives the sector plate to retract into the through groove. Then, the T-shaped tube is inserted into the positioning cylinder and the T-shaped tube is rotated until the first strong magnet and the second strong magnet are aligned and adsorbed. The lever is released, and the sector plate is driven to rotate into the arc groove, and the T-shaped tube is fixed in the positioning cylinder, thereby facilitating the installation of the positioning plate of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve;

[0018] 2. By pushing the sleeve to one side, align the trapezoidal groove with the tapered groove, pull the upper clamping rod according to the length of the oil pipe to drive the moving rod to slide, then release the T-shaped cylinder, the spring pushes the sleeve to reset, the trapezoidal groove pushes the circular plate into the nearby arc cavity, and at the same time blocks the tapered groove to fix the position of the moving rod, thereby facilitating the adjustment of the splint position of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the present invention;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional structure of the positioning plate of the present invention;

[0021] Figure 3 This is a schematic diagram of the side cross-sectional structure of the ring groove of the present invention;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the fan-shaped plate of the present invention;

[0023] Figure 5 This is a schematic diagram of the main cross-sectional structure of the movable rod of the present invention;

[0024] Figure 6 It is a schematic diagram of the three-dimensional structure of the present invention;

[0025] Figure 7 It is a right side structural schematic diagram of the present invention;

[0026] Figure 8 This is an enlarged view of the structure of part A of the present invention.

[0027] In the figure: 1. Positioning seat; 2. Bearing; 3. Positioning cylinder; 4. Positioning mechanism; 401. T-shaped tube; 402. Connecting plate; 403. Positioning plate; 404. First strong magnet; 405. Second strong magnet; 406. Ring groove; 407. Through groove; 408. Arc groove; 409. Internal gear ring; 410. Gear; 411. Sector plate; 412. Through port; 413. Pull lever; 414. Tension spring; 415 , vertical plate; 5, clamping mechanism; 501, slide groove; 502, moving rod; 503, limiting groove; 504, limiting rod; 505, upper clamping rod; 506, lower clamping rod; 507, limiting column; 508, two-way threaded rod; 509, T-shaped cylinder; 510, arc-shaped cavity; 511, tapered groove; 512, circular plate; 513, sleeve; 514, trapezoidal groove; 515, spring; 516, rubber plate. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] See also Figures 1-4 and Figure 7 The present invention provides a technical solution: an inner coating oil pipe chamfer sandblasting follow-up rotating positioning sleeve, comprising: a positioning seat 1, a bearing 2, a positioning cylinder 3 and a positioning mechanism 4;

[0030] The interior of the positioning seat 1 is connected with the bearing 2, and the positioning cylinder 3 is connected with the bearing 2. A positioning mechanism 4 is provided on one side of the positioning cylinder 3; a clamping mechanism 5 is provided inside the positioning cylinder 3, and the positioning mechanism 4 includes: a T-shaped tube 401, a connecting plate 402, a positioning plate 403, a first strong magnet 404, a second strong magnet 405, an annular groove 406, a through groove 407, an arc groove 408, an inner gear ring 409, a gear 410, a fan-shaped plate 411, a through port 412, a lever 413, a tension spring 414 and a vertical plate 415. One end of the positioning cylinder 3 is slidably connected with the T-shaped tube 401, and the connecting plate 402 is fixedly connected to the inner wall of the T-shaped tube 401. The other end of the connecting plate 402 is fixedly connected to the positioning plate 403. The outside of the T-shaped tube 401 is connected to the first strong magnet 404, and the second strong magnet 405 is adsorbed on one side of the first strong magnet 404. The second strong magnet 405 is connected to the outside of the positioning cylinder 3.

[0031] An annular groove 406 is provided in the inner wall of the positioning cylinder 3 near the T-shaped tube 401, a through groove 407 is provided on the inner side of the annular groove 406, an arcuate groove 408 is provided on the outer side of the T-shaped tube 401, an inner gear ring 409 is rotatably connected to the inner side of the inner gear ring 409, a gear 410 is meshed with the inner side of the inner gear ring 409, the gear 410 is rotatably connected to the inner wall of the through groove 407, and a fan-shaped plate 411 is connected to one side of the gear 410. The fan-shaped plate 411 is rotatably connected to the inner wall of the through groove 407, and the fan-shaped plate 411 is engaged in the arc groove 408. A through opening 412 is opened above the annular groove 406, and a lever 413 is slidably connected in the through opening 412. The lever 413 is connected to the top of the inner gear ring 409, and the rear part of the lever 413 is connected to a tension spring 414. The rear part of the tension spring 414 is connected to a vertical plate 415, and the vertical plate 415 is connected to the outside of the positioning tube 3.

[0032] During the specific implementation, the lever 413 is pulled to pull the tension spring 414, driving the inner gear ring 409 to rotate in the ring groove 406, and the inner gear ring 409 drives the gear 410 to rotate, driving the fan plate 411 to retract into the through groove 407, and then the T-shaped tube 401 is inserted into the positioning cylinder 3 and the T-shaped tube 401 is rotated until the first strong magnet 404 and the second strong magnet 405 are aligned and adsorbed. At this time, the arc groove 408 is aligned with the through groove 407, and the lever 413 is released. The tension spring 414 pulls the lever 413 to reset, driving the fan plate 411 to rotate into the arc groove 408, and fixing the T-shaped tube 401 in the positioning cylinder 3, so as to facilitate the installation of the positioning plate 403 of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve.

[0033] See Figure 1 、 Figure 5 、 Figure 6 and Figure 8It can be seen that the clamping mechanism 5 includes: a sliding groove 501, a moving rod 502, a limiting groove 503, a limiting rod 504, an upper clamping rod 505, a lower clamping rod 506, a limiting column 507, a bidirectional threaded rod 508, a T-shaped cylinder 509, an arc cavity 510, a tapered groove 511, a circular plate 512, a sleeve 513, a trapezoidal groove 514, a spring 515 and a rubber plate 516. The front inner wall and the rear inner wall of the positioning cylinder 3 are both provided with sliding grooves 501, and the sliding grooves 501 are provided in the sliding grooves 501. The movable rod 502 is connected to the movable rod 502, and a limiting groove 503 is provided in the movable rod 502. The limiting groove 503 is internally slidably connected to the limiting rod 504. The limiting rod 504 is connected to the inner wall of the slide groove 501. An upper clamping rod 505 is provided on the side of the positioning cylinder 3 away from the T-shaped tube 401. A lower clamping rod 506 is provided below the upper clamping rod 505. Rubber plates 516 are connected to the inner walls of the upper clamping rod 505 and the lower clamping rod 506. The clamping rod 506 passes through the sliding limit column 507, the limit column 507 passes through and is fixed in the moving rod 502, the upper clamping rod 505 and the lower clamping rod 506 away from the limit column 507 are connected to the bidirectional threaded rod 508 by internal thread, the outer side of the moving rod 502 is sleeved with a T-shaped cylinder 509, the T-shaped cylinder 509 is connected to one side of the positioning cylinder 3, the upper and lower parts of the moving rod 502 are provided with arc cavities 510, and the upper and lower parts of the T-shaped cylinder 509 are provided with cones. The mouth groove 511, a circular plate 512 is slidably connected in the tapered mouth groove 511, the circular plate 512 is engaged in the arc cavity 510, the outer side of the T-shaped cylinder 509 is slidably sleeved with a sleeve 513, the sleeve 513 is arranged on the outer side of the circular plate 512, and trapezoidal grooves 514 are provided above and below the inner wall of the sleeve 513; a spring 515 is abutted on one side of the T-shaped cylinder 509, the spring 515 is sleeved on the outer side of the T-shaped cylinder 509, and the spring 515 abuts on one side of the positioning cylinder 3.

[0034] During specific implementation, the sleeve 513 is pushed to one side to squeeze the spring 515, aligning the trapezoidal groove 514 with the tapered groove 511, and the upper clamping rod 505 is pulled according to the length of the oil pipe. The inner wall of the arc cavity 510 pushes the circular plate 512 into the trapezoidal groove 514, thereby driving the moving rod 502 to slide in the slide groove 501. At the same time, the limit rod 504 slides in the limit groove 503 to prevent the moving rod 502 from falling off the slide groove 501, and then the T-shaped cylinder 509 is released, and the spring 515 pushes the sleeve 513 to reset, and the trapezoidal groove 514 pushes the circular plate 512 into the nearby arc cavity 510. At the same time, the sleeve 513 blocks the tapered groove 511 to prevent the circular plate 512 from moving, fixing the position of the moving rod 502, so as to facilitate the adjustment of the splint position of the inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve.

[0035] To sum up: when using this kind of inner coating oil pipe chamfer sandblasting follow-up rotating positioning sleeve, first, install this kind of inner coating oil pipe chamfer sandblasting follow-up rotating positioning sleeve on the sandblasting machine, according to the diameter of the oil pipe that needs to be sandblasted, rotate the positioning plate 403 that matches the diameter of the oil pipe, then push the lever 413 to insert the T-shaped tube 401 into the positioning cylinder 3, rotate the T-shaped tube 401 to align the first strong magnet 404 and the second strong magnet 405 for adsorption, then release the lever 413 to fix it, and then according to the length of the oil pipe, push the T-shaped tube 509 and pull the upper clamping rod 505 to adjust the support position, and then release the T-shaped tube. 509, pass the oil pipe through the positioning plate 403, the positioning cylinder 3 and the upper clamping rod 505 and the lower clamping rod 506, rotate the two-way threaded rod 508 to drive the upper clamping rod 505 and the lower clamping rod 506 to slide along the limit column 507, squeeze the oil pipe, first use a direct spray diffusion gun to sandblast the chamfer of the oil pipe, then change to the inner wall sandblasting station, use an angle sandblasting gun to sandblast the inner wall of the rotating oil pipe, use the rotating roller to drive the positioning cylinder 3 to rotate, and the positioning cylinder 3 drives the oil pipe to rotate, and the inner wall of the oil pipe is fully sprayed. The content not described in detail in this description belongs to the existing technology known to professional and technical personnel in this field.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. An inner coating oil pipe chamfering sandblasting follow-up rotating positioning sleeve, comprising: A positioning seat (1), a bearing (2), a positioning cylinder (3) and a positioning mechanism (4), It is characterized by: A bearing (2) is connected through the interior of the positioning seat (1), a positioning cylinder (3) is connected through the interior of the bearing (2), and a positioning mechanism (4) is provided on one side of the positioning cylinder (3); The positioning tube (3) is provided with a clamping mechanism (5) inside. The positioning mechanism (4) comprises: a T-shaped tube (401), a connecting plate (402), a positioning plate (403), a first strong magnet (404), a second strong magnet (405), an annular groove (406), a through groove (407), an arc groove (408), an inner gear ring (409), a gear (410), a sector plate (411), a through hole (412), a lever (413), a tension spring (414) and a vertical plate (415). The positioning tube (3) One end of the T-shaped tube (401) is slidably connected to a T-shaped tube (401), a connecting plate (402) is fixedly connected to the inner wall of the T-shaped tube (401), the other end of the connecting plate (402) is fixedly connected to a positioning plate (403), the outer side of the T-shaped tube (401) is connected to a first strong magnet (404), one side of the first strong magnet (404) is adsorbed with a second strong magnet (405), the second strong magnet (405) is connected to the outer side of the positioning tube (3), and the inner wall of the positioning tube (3) close to the T-shaped tube (401) is fixedly connected to the positioning tube (3). An annular groove (406) is provided, a through groove (407) is provided on the inner side of the annular groove (406), an arc groove (408) is provided on the outer side of the T-shaped tube (401), an inner gear ring (409) is rotatably connected to the inner side of the annular groove (406), a gear (410) is meshedly connected to the inner side of the inner gear ring (409), the gear (410) is rotatably connected to the inner wall of the through groove (407), and a fan-shaped plate (411) is connected to one side of the gear (410), and the fan-shaped plate (411) is rotatably connected to the inner wall of the through groove (407). The fan-shaped plate (411) is connected to the inner wall of the through groove (407), and the fan-shaped plate (411) is engaged in the arc groove (408). A through opening (412) is opened above the annular groove (406). A lever (413) is slidably connected in the through opening (412). The lever (413) is connected above the inner gear ring (409), and the rear of the lever (413) is connected to a tension spring (414). The rear of the tension spring (414) is connected to a vertical plate (415), and the vertical plate (415) is connected to the outside of the positioning tube (3); The clamping mechanism (5) comprises: a slide groove (501), a moving rod (502), a limiting groove (503), a limiting rod (504), an upper clamping rod (505), a lower clamping rod (506), a limiting column (507), a bidirectional threaded rod (508), a T-shaped cylinder (509), an arc-shaped cavity (510), a conical groove (511), a circular plate (512), a sleeve (513), a trapezoidal groove (514), a spring (515) and a rubber plate (516). The front inner wall and the rear inner wall of the positioning cylinder (3) are both provided with a slide groove (501). 501), a moving rod (502) is slidably connected in the slide groove (501), a limiting groove (503) is provided in the moving rod (502), a limiting rod (504) is slidably connected inside the limiting groove (503), and the limiting rod (504) is connected to the inner wall of the slide groove (501), an upper clamping rod (505) is provided on the side of the positioning cylinder (3) away from the T-shaped tube (401), and a lower clamping rod (506) is provided below the upper clamping rod (505), and the upper clamping rod (505) and the lower clamping rod The inner wall of each of the upper and lower clamping rods (506) is connected to a rubber plate (516), and a sliding limit column (507) is passed through the upper clamping rod (505) and the lower clamping rod (506). The limit column (507) is passed through and fixed in the moving rod (502). The upper and lower clamping rods (505) and (506) away from the limit column (507) are internally threadedly connected to a bidirectional threaded rod (508). The outer side of the moving rod (502) is slidably sleeved with a T-shaped tube (509), and the T-shaped tube (509) is connected to one side of the positioning tube (3). The movable rod (502) is provided with an arc-shaped cavity (510) on the top and bottom, the T-shaped cylinder (509) is provided with a conical groove (511) on the top and bottom, a circular plate (512) is slidably connected in the conical groove (511), the circular plate (512) is engaged in the arc-shaped cavity (510), a sleeve (513) is slidably sleeved on the outer side of the T-shaped cylinder (509), the sleeve (513) is arranged on the outer side of the circular plate (512), and a trapezoidal groove (514) is provided on the top and bottom of the inner wall of the sleeve (513); A spring (515) is abutted against one side of the T-shaped cylinder (509); the spring (515) is sleeved on the outside of the T-shaped cylinder (509), and the spring (515) abuts against one side of the positioning cylinder (3).

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