A sword-shaped rib-type bow spring casing centralizer

Abstract

The utility model discloses a sword-shaped rib-plate type bow spring casing pipe straightener, comprising three connecting components arranged at equal intervals in the circumferential direction: each of the connecting components consists of two arc blocks and a first connecting rod, a threaded hole is provided in the middle of each arc block, and a fastening bolt for fastening the pipeline is threadedly connected in the threaded hole; a slide groove is provided at both ends of each arc block, and a connecting mechanism for connecting two arc blocks is provided in each adjacent two slide grooves. The utility model connects two upper and lower corresponding adjustment plates into a whole, which is convenient for the assembly and use of the straightener; disassembly can be completed by pulling the insertion rod, and during installation, the insertion rod is inserted into the jack under the action of the tension spring to complete the installation, and the operation is convenient and quick.

Description

Technical Field

[0001] The utility model relates to the technical field of centralizers, in particular to a sword-shaped rib-plate type bow spring casing centralizer. Background Art

[0002] The patent application number is: "CN201921246345.X" Sword-shaped rib-plate bow spring casing straightener, including eight arc blocks, eight arc connecting plates and eight straightening ribs, the eight arc blocks and eight arc connecting plates are distributed in groups of four up and down, the four arc blocks and four arc connecting plates on the same side are staggered and connected by a connecting mechanism, the eight arc blocks are penetrated by positioning bolts threadedly connected thereto, the eight straightening ribs are distributed in groups of two up and down between the eight arc blocks, connecting rods are fixed between the two arc blocks opposite to each other, the connecting mechanism includes an arc groove provided on the arc block, the arc connecting plate extends into the arc groove and is slidably connected thereto. The utility model has a reasonable structure, which can not only ensure the stable connection between the straightening rib and the arc block, making it difficult to separate from the arc block, but also can be applied to different pipelines and wells, and has good practicality;

[0003] The multiple arc-shaped connecting plates in the centralizer are all separated separately. Due to the large number of parts, it is extremely inconvenient to assemble and parts are easily lost. Secondly, the arc-shaped connecting plates are fixed by tightening the fixing bolts. However, there are a large number of arc-shaped connecting plates. When adjusting, the fixing bolts need to be tightened and loosened repeatedly, which is troublesome to operate. Utility Model Content

[0004] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a sword-shaped rib-plate bow spring sleeve centralizer, which connects two upper and lower corresponding adjustment plates into a whole, so as to facilitate the assembly and use of the centralizer; disassembly can be completed by pulling the insertion rod, and during installation, the insertion rod is inserted into the insertion hole under the action of the tension spring to complete the installation, and the operation is convenient and quick.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A sword-shaped rib-type bow spring casing centralizer includes three connecting components arranged at equal intervals in the circumferential direction:

[0007] Each of the connecting components consists of two arc blocks and a first connecting rod, and a threaded hole is provided in the middle of each of the arc blocks, and a fastening bolt for fastening the pipeline is threadedly connected in the threaded hole;

[0008] Each arc-shaped block is provided with a slide groove at both left and right ends, and a connecting mechanism for connecting two arc-shaped blocks is commonly provided in each of two adjacent slide grooves.

[0009] Preferably, the connection mechanism comprises two adjustment plates, the two adjustment plates are fixedly connected via a second connection rod, and two ends of the adjustment plates are respectively located inside two sliding grooves.

[0010] Preferably, two through holes are symmetrically provided on the outer side of each arc-shaped block, and an insertion rod is slidably connected inside the through hole, and the insertion rod is elastically connected to the arc-shaped block via a tension spring.

[0011] Preferably, the cross-section of the insertion rod is a T-shaped structure.

[0012] Preferably, a plurality of insertion holes adapted to the insertion rods are arranged at equal intervals on the outer side of the adjustment plate.

[0013] Preferably, the plurality of jacks are respectively located at left and right ends of the outer side of the adjustment plate.

[0014] Preferably, the adjustment plate is a flexible metal plate made of stainless steel.

[0015] The utility model has the following beneficial effects:

[0016] 1. Through the setting of arc blocks, slides and adjustment plates, since the adjustment plates are flexible metal plates, arcs of different diameters can be adjusted to facilitate the fixation of pipes of different sizes;

[0017] 2. Through the design of the first connecting rod and the second connecting rod, the two corresponding arc blocks and the two corresponding adjustment plates are connected into a whole, which is convenient for the assembly and use of the centralizer;

[0018] 3. Through the design of the plug rod, the plug hole and the tension spring, under the action of the tension spring, the plug rod is inserted into the plug hole to achieve the purpose of fixing the adjustment plate, and the operation is convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of a sword-shaped rib-type bow spring casing centralizer proposed by the utility model;

[0020] Figure 2 A schematic diagram of an arc block of a sword-shaped rib-type bow spring casing centralizer proposed in the utility model;

[0021] Figure 3 This is a structural schematic diagram of the other side of a sword-shaped rib-type bow spring casing centralizer proposed by the utility model.

[0022] In the figure: 1 adjusting plate, 2 arc-shaped block, 3 fastening bolt, 4 slide groove, 5 insertion hole, 6 first connecting rod, 7 insertion rod, 8 tension spring, 9 threaded hole, 10 through hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0025] Reference Figure 1-Figure 3 , a sword-shaped rib-type bow spring casing centralizer, comprising three connecting components arranged at equal intervals in the circumferential direction:

[0026] Each connecting assembly consists of two arc blocks 2 and a first connecting rod 6. A threaded hole 9 is provided in the middle of each arc block 2. A fastening bolt 3 for fastening the pipeline is connected to the inner thread of the threaded hole 9, so that the pipeline can be clamped and positioned.

[0027] Each arc block 2 is provided with a slide groove 4 at both ends, and a connecting mechanism for connecting the two arc blocks 2 is provided in each of two adjacent slide grooves 4. The connecting mechanism includes two adjustment plates 1. The adjustment plate 1 is a flexible metal plate, which is convenient for adjusting the adjustment plate 1 to change its curvature, and is suitable for fixing pipes of different sizes. The two adjustment plates 1 are fixedly connected by a second connecting rod, and the two ends of the adjustment plate 1 are respectively located inside the two slide grooves 4;

[0028] Two through holes 10 are symmetrically provided on the outside of each arc block 2, and an insertion rod 7 is slidably connected inside the through hole 10. The cross section of the insertion rod 7 is a T-shaped structure. A plurality of insertion holes 5 adapted to the insertion rod 7 are evenly spaced on the outside of the adjustment plate 1. The plurality of insertion holes 5 are respectively located at the left and right ends of the outside of the adjustment plate 1, and the insertion rod 7 is elastically connected to the arc block 2 by a tension spring 8.

[0029] Working principle:

[0030] When in use, first pull the plug rod 7 out of the socket 5 to release the restriction on one end of the corresponding adjustment plate 1, and adjust the position of the adjustment plate 1 according to pipes of different sizes. If the adjustment distance is small, just pull out a set of upper and lower corresponding plug rods 7 and adjust the length of one end of the two corresponding adjustment plates 1 extending out of the slide groove 4; if the adjustment distance is large, the length of multiple adjustment plates 1 extending out of the slide groove 4 can be adjusted accordingly according to the adjustment distance, which is suitable for fixing pipes of different sizes.

[0031] The above are only preferred specific implementation methods of the utility model, but the protection scope of the utility model is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the utility model, who makes equivalent replacements or changes based on the technical scheme and utility model concept of the utility model, should be covered by the protection scope of the utility model.

Claims

1. A sword-shaped rib-type bow spring casing centralizer, characterized in that: It includes three connection components arranged at equal intervals around the circumference: Each of the connecting components comprises two arc-shaped blocks (2) and a first connecting rod (6); a threaded hole (9) is provided in the middle of each of the arc-shaped blocks (2); a fastening bolt (3) for fastening the pipeline is connected to the inner thread of the threaded hole (9); Each of the arc blocks (2) is provided with a slide groove (4) at both ends, and a connecting mechanism for connecting the two arc blocks (2) is provided in each of two adjacent slide grooves (4). The connecting mechanism comprises two adjustment plates (1). The two adjustment plates (1) are fixedly connected by a second connecting rod. The two ends of the adjustment plates (1) are respectively located inside the two slide grooves (4). Two through holes (10) are symmetrically provided on the outside of each of the arc blocks (2). An insertion rod (7) is slidably connected inside the through hole (10). The insertion rod (7) is elastically connected to the arc block (2) by a tension spring (8).

2. A sword-shaped rib-type bow spring casing centralizer according to claim 1, characterized in that: The cross section of the insertion rod (7) is a T-shaped structure.

3. A sword-shaped rib-type bow spring casing centralizer according to claim 2, characterized in that: A plurality of insertion holes (5) adapted to the insertion rods (7) are arranged at equal intervals on the outer side of the adjustment plate (1).

4. A sword-shaped rib-type bow spring casing centralizer according to claim 3, characterized in that: The plurality of jacks (5) are respectively located at the left and right ends of the outer side of the adjustment plate (1).

5. The sword-shaped rib-type bow spring casing centralizer according to claim 1, characterized in that: The adjustment plate (1) is a flexible metal plate made of stainless steel.

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