Auxiliary installation device based on oil and gas well grading hoop

Abstract

The utility model relates to the technical field of grading hoop installation, in particular to an auxiliary installation device based on an oil and gas well grading hoop. Comprising a fixing pile, the two sides of the fixing pile are each provided with an arc-shaped auxiliary block and two hydraulic cylinders, output rods of the hydraulic cylinders are fixed to the corresponding arc-shaped auxiliary blocks, a plurality of first anchor rods which are evenly distributed are fixedly installed on the outer walls of the arc-shaped auxiliary blocks, and arc-shaped grooves are formed in the two sides of each arc-shaped auxiliary block; an arc-shaped extension plate is slidably mounted in the arc-shaped groove, a screw rod is rotatably mounted on the arc-shaped extension plate, an arc-shaped through groove penetrates through the inner wall of the arc-shaped groove, and the screw rod slidably penetrates through the arc-shaped through groove. Through a simple extension structure, the auxiliary block can be conveniently adjusted, the auxiliary block can be conveniently extended, the contact area between the auxiliary block and the well wall can be conveniently increased, the problem that soil and stones on the periphery of the auxiliary block fall off can be effectively solved, and follow-up installation of the grading hoop is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of grading collar installation, in particular to an auxiliary installation device based on a grading collar of an oil and gas well. Background Art

[0002] With the continuous development of the economy, people's demand for oil and gas resources is increasing, and a large number of oil and gas wells are excavated. During the excavation of oil and gas wells, the well wall needs to be grouted and sealed. Therefore, it is necessary to use graded hoop for cement graded grouting, so as to effectively save cement and improve the quality of cement sealing. The prior art discloses an auxiliary installation device based on oil and gas well graded hoop with authorization announcement number CN219774099U, which relates to the technical field of graded hoop installation, including fixed piles, both sides of the outer surface of the fixed pile are fixedly connected with telescopic rods near the center, and the back ends of the two telescopic rods are fixedly welded with auxiliary blocks, the outer surfaces of the two telescopic rods are sleeved with buffer springs, and one end of the buffer spring is fixedly connected to the outer surface of one side of the fixed pile, and the other end of the buffer spring is fixedly welded to the inner surface of the auxiliary block, and the top and bottom of the two auxiliary blocks are provided with card slots near the center. The utility model solves the problem that the traditional auxiliary installation device cannot be effectively adjusted according to the caliber size of the grading hoop, so that the auxiliary device needs to be constantly replaced, thereby reducing the practical efficiency of the auxiliary installation device, and also reduces the installation efficiency of the grading hoop, greatly reducing the use effect of the device.

[0003] However, it was found during use that the auxiliary block structure of the above design was fixed and difficult to adjust, which made it difficult to extend and increase the contact area with the well wall, and easily caused the well wall soil and rocks around the auxiliary block to fall under pressure. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide an auxiliary installation device based on the oil and gas well grading collar, which is convenient for adjusting the auxiliary block, extending the auxiliary block, increasing the contact area between the auxiliary block and the well wall, and can effectively reduce the problem of soil and rock falling around the auxiliary block, facilitate the subsequent installation of the grading collar, and solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above objectives, the utility model adopts the following technical solution: an auxiliary installation device based on an oil and gas well grading collar, comprising a fixed pile, an arc-shaped auxiliary block and two hydraulic cylinders on both sides of the fixed pile, the output rod of the hydraulic cylinder being fixed on the corresponding arc-shaped auxiliary block, a plurality of evenly arranged first anchor rods being fixedly installed on the outer wall of the arc-shaped auxiliary block, an arc-shaped groove being provided on both sides of the arc-shaped auxiliary block, an arc-shaped extension plate being slidably installed in the arc-shaped groove, a screw rod being rotatably installed on the arc-shaped extension plate, an arc-shaped through groove being penetrated on the inner wall of the arc-shaped groove, the screw rod slidingly penetrates the arc-shaped through groove, a plurality of racks being fixedly installed on the inner wall of the arc-shaped auxiliary block, the screw rod being located between the corresponding two racks, a tooth block being threadedly sleeved on the screw rod, and the tooth block being meshed with the corresponding two racks.

[0006] In order to facilitate the anchoring of the arc extension plate on the well wall and prevent slipping:

[0007] As a further improvement of the above technical solution: the arc-shaped extension plate further comprises a plurality of threaded through holes, the threaded through holes penetrate between the outer wall and the inner wall of the arc-shaped extension plate, and the second anchor rod is penetrated by the inner thread of the threaded through holes.

[0008] The beneficial effect of this improvement is that, through such an arrangement, the arc-shaped extension plate is easily anchored on the well wall to prevent slipping.

[0009] In order to facilitate the support and limit of the screw rod:

[0010] As a further improvement of the above technical solution: two circular grooves are provided on the inner wall of the arc-shaped extension plate, and the screw rod is rotatably installed in the corresponding circular grooves.

[0011] The beneficial effect of this improvement is that by providing the circular groove, it is convenient to support and limit the screw rod, so that the rotation of the screw rod is more stable.

[0012] To strengthen the structure of auxiliary blocks:

[0013] As a further improvement of the above technical solution: two arc-shaped clamps are fixedly installed on the inner wall of the arc-shaped auxiliary block, and the output rod of the hydraulic cylinder is fixed on the corresponding arc-shaped clamps.

[0014] The beneficial effect of this improvement is that the structure of the auxiliary block can be strengthened by providing an arc-shaped clamp.

[0015] In order to facilitate the meshing of the tooth block with the rack in different positions:

[0016] As a further improvement of the above technical solution: the rack is an arc-shaped structure.

[0017] The beneficial effect of this improvement is that, through such an arrangement, it is convenient for the tooth block to mesh with the rack at different positions.

[0018] In order to increase the friction between the first anchor and the soil and rock:

[0019] As a further improvement of the above technical solution: the first anchor rod is a conical structure, and a spiral rib is provided on the first anchor rod.

[0020] The beneficial effect of this improvement is that the friction between the first anchor rod and the soil and rock can be increased by providing the spiral reinforcement.

[0021] To facilitate the installation and fixing of the second anchor:

[0022] As a further improvement of the above technical solution: the second anchor rod is provided with an external thread, and the external thread is matched with the threaded through hole.

[0023] The beneficial effect of this improvement is that by providing an external thread, it is easy to install and fix the second anchor rod.

[0024] The beneficial effects of the utility model are as follows: through a simple extension structure, it is convenient to adjust the auxiliary block, extend the auxiliary block, increase the contact area between the auxiliary block and the well wall, effectively reduce the problem of soil and rock falling around the auxiliary block, and facilitate the subsequent installation of the grading hoop. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0026] Figure 2 It is a schematic diagram of a top view and cross-section structure of the utility model;

[0027] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0028] Figure 4 It is a schematic diagram of the three-dimensional structure of the arc-shaped extension plate in the utility model.

[0029] In the figure: 1. fixed pile; 2. arc-shaped auxiliary block; 3. hydraulic cylinder; 4. first anchor rod; 5. arc-shaped groove; 6. arc-shaped extension plate; 7. screw rod; 8. arc-shaped through groove; 9. rack; 10. tooth block; 11. threaded through hole; 12. second anchor rod. DETAILED DESCRIPTION

[0030] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0031] like Figure 1-4As shown, an auxiliary installation device based on an oil and gas well grading collar comprises a fixed pile 1, both sides of the fixed pile 1 are provided with an arc-shaped auxiliary block 2 and two hydraulic cylinders 3, the output rod of the hydraulic cylinder 3 is fixed on the corresponding arc-shaped auxiliary block 2, a plurality of evenly arranged first anchor rods 4 are fixedly installed on the outer wall of the arc-shaped auxiliary block 2, both sides of the arc-shaped auxiliary block 2 are provided with an arc-shaped groove 5, an arc-shaped extension plate 6 is slidably installed in the arc-shaped groove 5, a screw rod 7 is rotatably installed on the arc-shaped extension plate 6, and an arc-shaped groove 5 is penetrated through the inner wall of the arc-shaped groove 5. The through groove 8, the screw rod 7 slides through the arc-shaped through groove 8, and a plurality of racks 9 are fixedly installed on the inner wall of the arc-shaped auxiliary block 2. The screw rod 7 is located between the corresponding two racks 9. A tooth block 10 is threadedly sleeved on the screw rod 7, and the tooth block 10 is meshed with the corresponding two racks 9. Through a simple extension structure, it is convenient to adjust the auxiliary block, extend the auxiliary block, and increase the contact area between the auxiliary block and the well wall, which can effectively reduce the problem of soil and stone falling around the auxiliary block, and facilitate the installation of subsequent grading hoops. The arc extension plate 6 also includes multiple The threaded through hole 11 is passed through between the outer wall and the inner wall of the arc-shaped extension plate 6. The inner thread of the threaded through hole 11 is passed through by a second anchor rod 12. By setting it in this way, the arc-shaped extension plate 6 is anchored on the well wall to prevent slipping. Two circular grooves are provided on the inner wall of the arc-shaped extension plate 6. The screw rod 7 is rotatably installed in the corresponding circular grooves. By setting the circular grooves, it is convenient to support and limit the screw rod 7, so that the rotation of the screw rod 7 is more stable. Two arc clamps are fixedly installed on the inner wall of the arc-shaped auxiliary block 2. The hydraulic cylinder 3 The output rod is fixed on the corresponding arc clamp. By setting the arc clamp, the structure of the auxiliary block 2 can be strengthened. The rack 9 is an arc structure. By setting it in this way, it is convenient for the tooth block 10 to engage with the rack 9 at different positions. The first anchor rod 4 is a conical structure. The first anchor rod 4 is provided with spiral ribs. By setting the spiral ribs, the friction between the first anchor rod 4 and the soil and rock can be increased. The second anchor rod 12 is provided with an external thread, which is adapted to the threaded through hole 11. By setting the external thread, it is convenient to install and fix the second anchor rod 12.

[0032] The working principle of the utility model is as follows: when in use, the plurality of screw rods 7 are first rotated so that the tooth block 10 is driven to disengage from the corresponding two racks 9, so that the fixation of the screw rod 7 is released, and then the screw rod 7 is pulled so that the arc extension plate 6 is driven to slide out of the corresponding arc groove 5 to a suitable position, and then the screw rod 7 is rotated in the opposite direction so that the tooth block 10 is driven to re-engage with the corresponding two racks 9, and the arc extension plate 6 is fixed, and then the second anchor rod 12 is threaded through the corresponding threaded through hole 11, and then the device is placed at a suitable position in the oil and gas well, and then the plurality of hydraulic cylinders 3 are opened so that the two arc auxiliary blocks 2 are driven away from each other until the arc auxiliary blocks 2 are pressed against the well wall, and the plurality of first anchor rods 4 and second anchor rods 12 are inserted into the soil and rock of the well wall. Through such an arrangement, it is convenient to adjust the auxiliary blocks, extend the auxiliary blocks, and increase the contact area between the auxiliary blocks and the well wall, which can effectively reduce the problem of soil and rock falling around the auxiliary blocks and facilitate the subsequent installation of the grading hoop.

[0033] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes 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 apparatus.

[0034] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. An auxiliary installation device based on an oil and gas well grading collar, comprising a fixed pile (1), wherein both sides of the fixed pile (1) are provided with an arc-shaped auxiliary block (2) and two hydraulic cylinders (3), wherein the output rods of the hydraulic cylinders (3) are fixed on the corresponding arc-shaped auxiliary blocks (2), and characterized in that: A plurality of evenly arranged first anchor rods (4) are fixedly mounted on the outer wall of the arc-shaped auxiliary block (2); arc-shaped grooves (5) are provided on both sides of the arc-shaped auxiliary block (2); an arc-shaped extension plate (6) is slidably mounted in the arc-shaped groove (5); a screw rod (7) is rotatably mounted on the arc-shaped extension plate (6); an arc-shaped through groove (8) is penetrated through the inner wall of the arc-shaped groove (5); the screw rod (7) slides through the arc-shaped through groove (8); a plurality of racks (9) are fixedly mounted on the inner wall of the arc-shaped auxiliary block (2); the screw rod (7) is located between two corresponding racks (9); a tooth block (10) is threadedly sleeved on the screw rod (7); and the tooth block (10) is meshed with the two corresponding racks (9).

2. The auxiliary installation device based on the oil and gas well grading collar according to claim 1 is characterized in that: The arc-shaped extension plate (6) further comprises a plurality of threaded through holes (11), wherein the threaded through holes (11) penetrate between the outer wall and the inner wall of the arc-shaped extension plate (6), and the second anchor rod (12) is threadedly penetrated through the inner threads of the threaded through holes (11).

3. The auxiliary installation device based on the oil and gas well grading collar according to claim 1 is characterized in that: Two circular grooves are provided on the inner wall of the arc-shaped extension plate (6), and the screw rod (7) is rotatably installed in the corresponding circular grooves.

4. The auxiliary installation device based on the oil and gas well grading collar according to claim 1 is characterized in that: Two arc-shaped clamps are fixedly mounted on the inner wall of the arc-shaped auxiliary block (2), and the output rod of the hydraulic cylinder (3) is fixed on the corresponding arc-shaped clamps.

5. The auxiliary installation device based on the oil and gas well grading collar according to claim 1 is characterized in that: The rack (9) is an arc-shaped structure.

6. The auxiliary installation device based on the oil and gas well grading collar according to claim 1 is characterized in that: The first anchor rod (4) is a conical structure, and a spiral rib is provided on the first anchor rod (4).

7. The auxiliary installation device based on the oil and gas well grading collar according to claim 2 is characterized in that: The second anchor rod (12) is provided with an external thread, and the external thread is matched with the threaded through hole (11).

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