CN215213368U - Integral elastic centralizer - Google Patents
Integral elastic centralizer Download PDFInfo
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- CN215213368U CN215213368U CN202121392508.2U CN202121392508U CN215213368U CN 215213368 U CN215213368 U CN 215213368U CN 202121392508 U CN202121392508 U CN 202121392508U CN 215213368 U CN215213368 U CN 215213368U
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Abstract
The utility model discloses an integral elastic centralizer, relating to the field of centralizers; the integral elastic centralizer comprises centralizing strips, wherein fixing components are arranged at the top ends and the bottom ends of the four centralizing strips, each fixing component comprises mounting semicircular rings, first sliding holes are formed in one side of each of the two mounting semicircular rings, sliding cylinders are connected in the two first sliding holes in a sliding mode, annular clamping plates are fixedly connected to the opposite sides of the two sliding cylinders, and rough cushion blocks are fixedly connected to the opposite sides of the two annular clamping plates; the utility model discloses a first link block of the equal fixedly connected with of one end of two installation semicircle rings, and rotate between two first link blocks and be connected with the connecting axle sleeve to make the installation semicircle ring with first link block fixed connection can open, be convenient for install, and the other end of two installation semicircle rings passes through first link block and construction bolt fixed connection, thereby be convenient for this centralizer's dismantlement and installation.
Description
Technical Field
The utility model relates to a centralizer technical field specifically is integral elasticity centralizer.
Background
The centralizer belongs to a well cementing tool, has simple manufacture, beautiful structure, firmness and durability, and can ensure the well drilling and cementing quality. The centralizer can be divided into two categories according to the style, elastic centralizer and rigid centralizer, and each style can also be subdivided and can be divided into cast steel, cast aluminum, resin and the like according to the material.
The traditional integral elastic centralizer penetrates through one end of a casing pipe during installation until the casing pipe slides to an area needing to be centralized, and then the centralizer is fixed.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To prior art not enough, the utility model discloses an integral elasticity centralizer to solve the problem that proposes in the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the integral elastic centralizer comprises centralizing strips, wherein fixing components are arranged at the top ends and the bottom ends of the four centralizing strips;
the fixed subassembly is including the installation semicircle ring, two first slide opening, two have all been seted up to one side of installation semicircle ring equal sliding connection has the slip cylinder in the first slide opening, two the equal fixedly connected with annular splint of slip cylindrical opposite side, and two the coarse cushion of the equal fixedly connected with of opposite face of annular splint.
Preferably, the slip cylinder runs through installation semicircle ring and inwards extends, slip cylindrical extension end outer wall is provided with buffer spring, the spacing disc of one end fixedly connected with of annular splint is kept away from to the slip cylinder, buffer spring's self elasticity can be given annular splint one to the elasticity that installation semicircle ring center department is close to make annular splint step up the sleeve pipe, and at the coarse cushion of the equal fixedly connected with in opposite face of two annular splint, set up the coarse cushion and be used for increasing the frictional force between annular splint and the sleeve pipe, make the installation more stable, prevent annular splint drunkenness about the sleeve pipe outer wall, the stability of centralizer has been improved.
Preferably, one end of the buffer spring is fixedly connected with the inner wall of the installation semicircular ring, and the end, far away from the installation semicircular ring, of the buffer spring is fixedly connected with the outer wall of the annular clamping plate.
Preferably, two the equal first connecting block of one end fixedly connected with of installation semicircle ring, and two rotate between the first connecting block and be connected with the connecting axle sleeve, the equal first connecting block of one end fixedly connected with of two installation semicircle rings, and rotate between two first connecting blocks and be connected with the connecting axle sleeve to make the installation semicircle ring with first connecting block fixed connection can open, be convenient for install, and the other end of two installation semicircle rings passes through first connecting block and construction bolt fixed connection, thereby be convenient for this centralizer's dismantlement and installation.
Preferably, the other end of the mounting semicircular ring is fixedly connected with a second connecting block, and the second connecting blocks are fixedly connected through two mounting bolts.
Preferably, the two sides of the first sliding hole are provided with second sliding holes formed in one side of the mounting semicircular ring, the second sliding holes are connected with limiting cylinders in a sliding mode, and one ends of the limiting cylinders are fixedly connected with the outer wall of the annular clamping plate.
The utility model discloses an integral elasticity centralizer, its beneficial effect who possesses as follows:
1. the utility model discloses a first link block of the equal fixedly connected with of one end of two installation semicircle rings, and rotate between two first link blocks and be connected with the connecting axle sleeve to make the installation semicircle ring with first link block fixed connection can open, be convenient for install, and the other end of two installation semicircle rings passes through first link block and construction bolt fixed connection, thereby be convenient for this centralizer's dismantlement and installation.
2. The utility model discloses a buffer spring's self elasticity can be given annular splint one to the elasticity that installation semicircle center department is close to make annular splint step up the sleeve pipe, and at the coarse cushion of the equal fixedly connected with of opposite face of two annular splint, set up the friction that coarse cushion is used for increasing between annular splint and the sleeve pipe, make the more stable of installation, prevent annular splint drunkenness about the sleeve pipe outer wall, improved the stability of centralizer.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the fixing assembly of FIG. 1 according to the present invention;
fig. 3 is a schematic top view of the present invention based on fig. 1.
In the figure: 1. a righting strip; 2. a fixing assembly; 201. installing a semicircular ring; 202. a first slide hole; 203. a sliding cylinder; 204. an annular splint; 205. a buffer spring; 206. a limiting disc; 207. a second slide hole; 208. a limiting cylinder; 209. a first connection block; 210. connecting the shaft sleeve; 211. a second connecting block; 212. installing a bolt; 213. and (4) a coarse cushion block.
Detailed Description
The embodiment of the utility model discloses an integral elastic centralizer, as shown in figures 1-3, comprising a centralizing strip 1, wherein the top ends and the bottom ends of four centralizing strips 1 are respectively provided with a fixed component 2;
the fixing component 2 comprises two installation semicircular rings 201, the two installation semicircular rings 201 are symmetrically arranged, first sliding holes 202 are formed in opposite sides of the two installation semicircular rings 201, sliding cylinders 203 are connected in the two first sliding holes 202 in a sliding mode, the two sliding cylinders 203 penetrate through the corresponding installation semicircular rings 201, annular clamping plates 204 are fixedly connected to opposite sides of the two sliding cylinders 203, the two annular clamping plates 204 are arranged in an area formed by the two installation semicircular rings 201, rough cushion blocks 213 are fixedly connected to opposite surfaces of the two annular clamping plates 204, the rough cushion blocks 213 are arranged for increasing friction between the annular clamping plates 204 and a sleeve, so that the installation is more stable, the annular clamping plates 204 are prevented from moving up and down on the outer wall of the sleeve, the installation is not firm, an operator places the centralizer on the outer wall of the sleeve, and then the sleeve is surrounded by the installation semicircular rings 201, then, after the two second connecting blocks 211 are combined together, the operator turns the four mounting bolts 212 in turn, so that every two second connecting blocks 211 are fixed together, thereby completing the installation of the centralizer.
Sliding cylinder 203 runs through installation semicircle ring 201 and inwards extends, sliding cylinder 203's extension end outer wall is provided with buffer spring 205, thereby set up buffer spring 205 and increase the buffering effect of fixed subassembly 2, prevent direct rigid connection, under long-term use, make annular splint 204 not hard up with being connected of sleeve pipe outer wall easily, reduce the righting effect of this centralizer, sliding cylinder 203 keeps away from the spacing disc 206 of one end fixedly connected with of annular splint 204, buffer spring 205's one end and the inner wall fixed connection of installation semicircle ring 201, and buffer spring 205 keeps away from the one end of installation semicircle ring 201 and the outer wall fixed connection of annular splint 204.
The equal fixedly connected with first connecting block 209 of one end of two installation semicircle rings 201, and rotate between two first connecting blocks 209 and be connected with connecting axle sleeve 210, thereby make the installation semicircle ring 201 with first connecting block 209 fixed connection open, be convenient for install, before this centralizer of installation, at first rotate in proper order with second connecting block 211 threaded connection's mounting bolt 212, make four mounting bolt 212 not hard up, then hold the installation semicircle ring 201 with the hand in proper order, make installation semicircle ring 201 open, thereby open this centralizer, the equal fixedly connected with second connecting block 211 of the other end of two installation semicircle rings 201, and two second connecting blocks 211 are through two mounting bolt 212 fixed connection.
The both sides of first slide opening 202 all are provided with the second slide opening 207 of seting up in installation semicircle ring 201 one side, and equal sliding connection has spacing cylinder 208 in the second slide opening 207, and the outer wall fixed connection of the one end of spacing cylinder 208 and annular splint 204 prevents to rotate when using with sliding cylinder 203 fixed connection's annular splint 204, leads to the installation failure.
The working principle is as follows:
refer to fig. 1 to 3;
carrying out operation one;
before the centralizer is installed, firstly, sequentially rotating the installation bolts 212 in threaded connection with the second connecting block 211 to loosen the four installation bolts 212, and then sequentially gripping the installation semicircular rings 201 by hands to open the installation semicircular rings 201 so as to open the centralizer;
carrying out operation two;
after the centralizer is opened, the operator places the centralizer in the sheathed tube outer wall, then will enclose the sleeve pipe with installation semicircle ring 201, then after two second connecting block 211 are in the same place, the operator rotates four construction bolts 212 in proper order for every two second connecting block 211 are fixed together, thereby accomplishes the installation of this centralizer.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Integral elasticity centralizer, including righting strip (1), its characterized in that: the top ends and the bottom ends of the four centralizing strips (1) are respectively provided with a fixed component (2);
fixed subassembly (2) are including installation semicircle ring (201), two first slide opening (202), two have all been seted up to one side of installation semicircle ring (201) equal sliding connection has slip cylinder (203), two in first slide opening (202) the equal fixedly connected with annular splint (204) of opposite side of slip cylinder (203), and two the coarse cushion (213) of the equal fixedly connected with of opposite face of annular splint (204).
2. The unitary resilient centralizer of claim 1, wherein: slip cylinder (203) run through installation semicircle ring (201) and inwards extend, the extension end outer wall of slip cylinder (203) is provided with buffer spring (205), the spacing disc of one end fixedly connected with (206) of annular splint (204) is kept away from in slip cylinder (203).
3. The unitary elastic centralizer of claim 2, wherein: one end of the buffer spring (205) is fixedly connected with the inner wall of the installation semicircular ring (201), and one end, far away from the installation semicircular ring (201), of the buffer spring (205) is fixedly connected with the outer wall of the annular clamping plate (204).
4. The unitary resilient centralizer of claim 1, wherein: two the equal fixedly connected with first connecting block (209) of one end of installation semicircle ring (201), and two rotate between first connecting block (209) and be connected with connecting sleeve (210).
5. The unitary resilient centralizer of claim 4, wherein: two the equal fixedly connected with second connecting block (211) of the other end of installation semicircle ring (201), and two second connecting block (211) is through two construction bolt (212) fixed connection.
6. The unitary resilient centralizer of claim 1, wherein: the both sides of first slide opening (202) all are provided with second slide opening (207) of seting up in installation semicircle ring (201) one side, just equal sliding connection has spacing cylinder (208) in second slide opening (207), the outer wall fixed connection of the one end and annular splint (204) of spacing cylinder (208).
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CN202121392508.2U CN215213368U (en) | 2021-06-15 | 2021-06-15 | Integral elastic centralizer |
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CN202121392508.2U CN215213368U (en) | 2021-06-15 | 2021-06-15 | Integral elastic centralizer |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115370304A (en) * | 2022-10-25 | 2022-11-22 | 东营市源鑫石油科技有限公司 | Integral elastic centralizer with rotary obstacle avoidance function |
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2021
- 2021-06-15 CN CN202121392508.2U patent/CN215213368U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115370304A (en) * | 2022-10-25 | 2022-11-22 | 东营市源鑫石油科技有限公司 | Integral elastic centralizer with rotary obstacle avoidance function |
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