Inner wall descaling and pulverized coal removing device suitable for oil pipe repair

Abstract

The utility model discloses an inner wall descaling and pulverized coal removal device suitable for oil pipe repair, which comprises a top plate, the surface of the top plate is fixedly connected with an extension cylinder, the surface of the extension cylinder drives a descaling box to move through a rotating mechanism, and a descaling mechanism for descaling the inner wall of an oil pipe is arranged in an inner cavity of the descaling box. The utility model relates to the technical field of oil pipe repair. According to the inner wall descaling and pulverized coal removing device suitable for oil pipe repairing, a first motor is started to drive a gear to rotate, the gear drives a rotating ring to rotate, the rotating ring drives a spiral strip to rotate, the spiral strip slides along the inner surface of a sliding groove to drive a sliding block to move around, and the sliding block drives a shrinkage plate to move around; and the shrinkage plate drives the descaling plate to move all around, so that the descaling plate can be in contact with the inner wall of the oil pipe, the device can be suitable for oil pipes with all sizes and inner diameters within a certain range, the production cost is effectively reduced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipe repair, in particular to an inner wall descaling and coal powder removing device suitable for oil pipe repair. Background Art

[0002] After the oil pipe is stored in the warehouse and on the platform for a period of time, hard objects such as rust will form on the inner wall of the oil pipe.

[0003] The reference patent name is: A tool for descaling the inner wall of an oil pipe (patent publication number: CN206966247U patent publication date: 2018.02.06), which includes a main body, which is in the shape of a cylinder with thick ends and a thin middle; two groups of scraper blades evenly distributed along the circumference are provided at the thinner cylinder in the middle; each group of scraper blades is connected to the thicker cylinder at one end of the main body through a fixing pin. The utility model has a reasonable design, a simple structure, good interchangeability, and overcomes the shortcomings of the prior art. It is a tool for descaling the inner wall of an oil pipe that is easy to operate and has a very broad application prospect.

[0004] However, when implementing the above technical solution, there is the following problem: the inner wall descaling tool can only be used for oil pipes with fixed inner diameters. However, due to different usage scenarios, the inner diameters of oil pipes may vary in size. If the inner diameter of the oil pipe is larger, the scraper blade cannot contact the inner wall, i.e., the inner wall cannot be descaled. If the inner diameter of the oil pipe is smaller, the scraper blade cannot be inserted. It is necessary to produce descaling tools of various specifications according to the inner diameters of the oil pipes, and the cost of use is relatively high. For this reason, the utility model provides an inner wall descaling and coal powder removal device suitable for oil pipe repair. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides an inner wall descaling and coal powder removal device suitable for oil pipe repair, which solves the problem of high cost of using descaling tools of various specifications that need to be manufactured according to the size and type of inner diameter of the oil pipe.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: an inner wall descaling and coal powder removal device suitable for oil pipe repair, comprising a top plate, the surface of the top plate is fixedly connected to an extension cylinder, the surface of the extension cylinder drives a descaling box to move through a rotating mechanism, the inner cavity of the descaling box is provided with a descaling mechanism for descaling the inner wall of the oil pipe, and the descaling mechanism comprises;

[0007] The shrinking assembly comprises a rotating ring and a shrinking plate, wherein the bottom of the rotating ring is fixedly connected with a spiral strip, the surface of the shrinking plate is fixedly connected with a sliding block, the surface of the sliding block is provided with a sliding groove, and one end of the shrinking plate is fixedly connected with a descaling plate;

[0008] The meshing assembly is used to drive the rotating ring to rotate;

[0009] A driving assembly, used to drive the meshing assembly to rotate;

[0010] The support assembly is used to support the rotating ring to rotate.

[0011] Preferably, the meshing assembly comprises a gear, the surface of the gear is rotatably connected to the inner wall of the descaling box, and the surface of the rotating ring is fixedly connected to an annular gear block.

[0012] Preferably, the driving assembly comprises a first motor, a surface of the first motor is fixedly connected to the inner wall of the descaling box, and a surface of an output shaft of the first motor is fixedly connected to a transmission shaft via a coupling.

[0013] Preferably, the support assembly comprises a support ring, a surface of the support ring is fixedly connected to a surface of the rotating ring, and a support groove is formed on an inner wall of the descaling box.

[0014] Preferably, the rotating mechanism comprises:

[0015] A power assembly, comprising a rotating box, the top of the rotating box inner cavity is fixedly connected to a second motor, the surface of the output shaft of the second motor is fixedly connected to a rotating shaft via a coupling, and the bottom end of the rotating shaft is fixedly connected to the top of the descaling box;

[0016] The stabilizing component is used to ensure that the descaling box rotates stably.

[0017] Preferably, the stabilizing assembly comprises a stabilizing block, the surface of the stabilizing block is fixedly connected to the top of the descaling box, and a stabilizing groove is provided at the bottom of the rotating box.

[0018] Beneficial Effects

[0019] The utility model provides an inner wall descaling and coal powder removal device suitable for oil pipe repair. Compared with the prior art, it has the following beneficial effects:

[0020] (1) The inner wall descaling and coal powder removal device suitable for oil pipe repair starts a first motor to drive the gear to rotate, the gear drives the rotating ring to rotate, the rotating ring drives the spiral bar to rotate, the spiral bar drives the sliding block to move around by sliding along the inner surface of the sliding groove, the sliding block drives the shrinking plate to move around, and the shrinking plate drives the descaling plate to move around, so that the descaling plate can contact the inner wall of the oil pipe. It can be suitable for oil pipes of all sizes of inner diameters within a certain range, effectively reducing production costs and improving practicality.

[0021] (2) The inner wall descaling and coal powder removal device suitable for oil pipe repair is driven by starting the second motor to rotate the rotating shaft, the rotating shaft drives the descaling box to rotate, the descaling box drives the stabilizing block to slide along the inner surface of the stabilizing groove, the descaling box drives the descaling plate to rotate along the inner wall of the oil pipe, and the extension cylinder is started to push the descaling plate to move along the inner wall of the oil pipe, so that the friction of the descaling plate can remove scale and coal powder from the inner wall. At the same time, the rotating mechanism can drive the descaling box to move in all directions, making the descaling operation more comprehensive and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the three-dimensional structure of the rotating ring of the utility model;

[0024] Figure 3 This is a schematic diagram of the three-dimensional structure of the spiral strip of the utility model;

[0025] Figure 4 This is a schematic diagram of the three-dimensional structure of the sliding block of the utility model;

[0026] Figure 5 It is a three-dimensional structural schematic diagram of the descaling box of the utility model.

[0027] In the figure: 1. top plate; 2. extension cylinder; 3. descaling box; 4. descaling mechanism; 41. contraction assembly; 411. rotating ring; 412. contraction plate; 413. spiral strip; 414. sliding block; 415. sliding groove; 416. descaling plate; 42. meshing assembly; 421. gear; 422. annular gear block; 43. driving assembly; 431. first motor; 432. transmission shaft; 44. supporting assembly; 441. supporting ring; 442. supporting groove; 5. rotating mechanism; 51. power assembly; 511. rotating box; 512. second motor; 513. rotating shaft; 52. stabilizing assembly; 521. stabilizing block; 522. stabilizing groove. DETAILED DESCRIPTION

[0028] 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.

[0029] See also Figure 1-5 , the utility model provides two technical solutions:

[0030] Embodiment 1

[0031] An inner wall descaling and coal powder removal device suitable for oil pipe repair comprises a top plate 1, an extension cylinder 2 is fixedly connected to the surface of the top plate 1, the extension cylinder 2 is connected to an external power supply, the surface of the extension cylinder 2 drives a descaling box 3 to move through a rotating mechanism 5, and the inner cavity of the descaling box 3 is provided with a descaling mechanism 4 for descaling the inner wall of the oil pipe, and the descaling mechanism 4 comprises;

[0032] The shrinking assembly 41 includes a rotating ring 411 and a shrinking plate 412. The shrinking plate 412 penetrates the descaling box 3 and can slide relative to the descaling box 3. The bottom of the rotating ring 411 is fixedly connected with a spiral strip 413. The spiral strip 413 is in a plane thread shape and can drive the sliding block 414 above to move to the surroundings or the middle at the same time. The surface of the shrinking plate 412 is fixedly connected with the sliding block 414. The surface of the sliding block 414 is provided with a sliding groove 415. The surface of the spiral strip 413 is slidably connected to the inner surface of the sliding groove 415. One end of the shrinking plate 412 is fixedly connected with a descaling plate 416.

[0033] The meshing assembly 42 is used to drive the rotating ring 411 to rotate. The meshing assembly 42 includes a gear 421. The surface of the gear 421 is rotatably connected to the inner wall of the descaling box 3. The surface of the rotating ring 411 is fixedly connected to an annular gear block 422. The annular gear blocks 422 are arranged in an annular manner on the rotating ring 411, and each of the annular gear blocks 422 is meshed with the gear 421. The surface of the gear 421 is meshed with the surface of the annular gear block 422.

[0034] The driving assembly 43 is used to drive the meshing assembly 42 to rotate. The driving assembly 43 includes a first motor 431, which is connected to an external power source and is a three-phase asynchronous motor. The surface of the first motor 431 is fixedly connected to the inner wall of the descaling box 3. The surface of the output shaft of the first motor 431 is fixedly connected to a transmission shaft 432 through a coupling. The surface of the transmission shaft 432 is fixedly connected to the surface of the gear 421.

[0035] The support assembly 44 is used to support the rotation of the rotating ring 411. The support assembly 44 includes a support ring 441. The surface of the support ring 441 is fixedly connected to the surface of the rotating ring 411. The inner wall of the descaling box 3 is provided with a support groove 442. The surface of the support ring 441 is slidably connected to the inner surface of the support groove 442. By starting the first motor 431, the gear 421 is driven to rotate, the gear 421 drives the rotating ring 411 to rotate, and the rotating ring 411 drives the spiral bar 413 to rotate. The spiral bar 413 drives the sliding block 414 to move around by sliding along the inner surface of the sliding groove 415. The sliding block 414 drives the contraction plate 412 to move around, and the contraction plate 412 drives the descaling plate 416 to move around, so that the descaling plate 416 can contact the inner wall of the oil pipe. It can be applicable to oil pipes of all sizes of inner diameters within a certain range, effectively reducing the production cost and improving practicality.

[0036] Embodiment 2

[0037] The main difference from the first embodiment is:

[0038] An inner wall descaling and coal powder removal device suitable for oil pipe repair comprises a top plate 1, an extension cylinder 2 is fixedly connected to the surface of the top plate 1, the extension cylinder 2 is connected to an external power supply, the surface of the extension cylinder 2 drives a descaling box 3 to move through a rotating mechanism 5, and the inner cavity of the descaling box 3 is provided with a descaling mechanism 4 for descaling the inner wall of the oil pipe, and the rotating mechanism 5 comprises;

[0039] The power assembly 51 includes a rotating box 511, the surface of the rotating box 511 is fixedly connected to one end of the piston rod of the extension cylinder 2, the top of the inner cavity of the rotating box 511 is fixedly connected to a second motor 512, the second motor 512 is connected to an external power source and is a three-phase asynchronous motor, the surface of the output shaft of the second motor 512 is fixedly connected to a rotating shaft 513 through a coupling, and the bottom end of the rotating shaft 513 is fixedly connected to the top of the descaling box 3;

[0040] The stabilizing component 52 is used to ensure that the descaling box 3 rotates stably. The stabilizing component 52 includes a stabilizing block 521. The surface of the stabilizing block 521 is fixedly connected to the top of the descaling box 3. A stabilizing groove 522 is provided at the bottom of the rotating box 511. The surface of the stabilizing block 521 is slidably connected to the inner surface of the stabilizing groove 522. By starting the second motor 512 to drive the rotating shaft 513 to rotate, the rotating shaft 513 drives the descaling box 3 to rotate, and the descaling box 3 drives the stabilizing block 521 to slide along the inner surface of the stabilizing groove 522. The descaling box 3 drives the descaling plate 416 to rotate along the inner wall of the oil pipe. Starting the extension cylinder 2 pushes the descaling plate 416 to move along the inner wall of the oil pipe, so that the friction of the descaling plate can cause the inner wall to perform descaling and coal powder removal operations. At the same time, the rotating mechanism can drive the descaling box to move in all directions, making the descaling operation more comprehensive and efficient.

[0041] When in use, the operator hangs the top plate 1 on one end of the oil pipe, the descaling box 3 is located in the oil pipe, and the first motor 431 is started. The first motor 431 drives the transmission shaft 432 to rotate, and the transmission shaft 432 drives the gear 421 to rotate. The gear 421 drives the rotating ring 411 to rotate by meshing with the annular gear block 422. The rotating ring 411 drives the supporting ring 441 to slide along the inner surface of the supporting groove 442. The rotating ring 411 drives the spiral strip 413 to rotate. The spiral strip 413 drives the sliding block 414 to move around by sliding along the inner surface of the sliding groove 415. The sliding block 414 drives the retracting plate 412 to move around, and the retracting plate 412 drives the descaling plate 416 to move around until the descaling plate 416 contacts the inner wall of the oil pipe, and the second motor 512 is started, and the second motor 512 drives the rotating shaft 513 to rotate, and the rotating shaft 513 drives the descaling box 3 to rotate, and the descaling box 3 drives the stabilizing block 521 to slide along the inner surface of the stabilizing groove 522, and the descaling box 3 drives the descaling plate 416 to rotate along the inner wall of the oil pipe, and the extension cylinder 2 is started to push the descaling plate 416 to move along the inner wall of the oil pipe, so that the inner wall can be descaled and coal powder removed.

[0042] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0044] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An inner wall descaling and coal powder removal device suitable for oil pipe repair, comprising a top plate (1), characterized in that: The surface of the top plate (1) is fixedly connected to an extension cylinder (2), and the surface of the extension cylinder (2) drives the descaling box (3) to move through a rotating mechanism (5). The inner cavity of the descaling box (3) is provided with a descaling mechanism (4) for descaling the inner wall of the oil pipe, and the descaling mechanism (4) comprises: The shrinking assembly (41) comprises a rotating ring (411) and a shrinking plate (412), wherein the bottom of the rotating ring (411) is fixedly connected to a spiral strip (413), the surface of the shrinking plate (412) is fixedly connected to a sliding block (414), the surface of the sliding block (414) is provided with a sliding groove (415), and one end of the shrinking plate (412) is fixedly connected to a descaling plate (416); An engagement assembly (42) is used to drive the rotating ring (411) to rotate; A driving assembly (43) for driving the engaging assembly (42) to rotate; The support assembly (44) is used to support the rotating ring (411) to rotate.

2. The device for removing scale and coal powder from the inner wall of an oil pipe for repairing according to claim 1 is characterized in that: The meshing assembly (42) comprises a gear (421), the surface of the gear (421) is rotatably connected to the inner wall of the descaling box (3), and the surface of the rotating ring (411) is fixedly connected to an annular gear block (422).

3. The inner wall descaling and coal powder removal device suitable for oil pipe repair according to claim 1 is characterized in that: The driving assembly (43) comprises a first motor (431), the surface of the first motor (431) is fixedly connected to the inner wall of the descaling box (3), and the surface of the output shaft of the first motor (431) is fixedly connected to a transmission shaft (432) via a coupling.

4. The inner wall descaling and coal powder removal device suitable for oil pipe repair according to claim 1 is characterized in that: The support assembly (44) comprises a support ring (441), the surface of the support ring (441) is fixedly connected to the surface of the rotating ring (411), and the inner wall of the descaling box (3) is provided with a support groove (442).

5. The inner wall descaling and coal powder removal device suitable for oil pipe repair according to claim 1 is characterized in that: The rotating mechanism (5) comprises: A power assembly (51) comprises a rotating box (511), the top of the inner cavity of the rotating box (511) is fixedly connected to a second motor (512), the surface of the output shaft of the second motor (512) is fixedly connected to a rotating shaft (513) via a coupling, and the bottom end of the rotating shaft (513) is fixedly connected to the top of the descaling box (3); The stabilizing assembly (52) is used to ensure that the descaling box (3) rotates stably.

6. The device for removing scale and coal powder from the inner wall of an oil pipe for repairing according to claim 5 is characterized in that: The stabilizing assembly (52) comprises a stabilizing block (521), the surface of which is fixedly connected to the top of the descaling box (3), and a stabilizing groove (522) is provided at the bottom of the rotating box (511).

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