Wireless inclinometer centralizer

Abstract

The utility model discloses a centralizer of a wireless inclinometer while drilling, and relates to the technical field of centralizers. The centralizer of the wireless inclinometer while drilling comprises a centralizer body, and a first end and a second end are arranged at the two ends of the centralizer body respectively. The sleeve rubber wing assembly comprises a sleeve body arranged in the middle of the centralizer body and three rubber wing main bodies arranged on the outer surface of the sleeve body in a circumferential array; and the mounting assembly is used for mounting the three rubber wing main bodies on the outer surface of the sleeve body. By arranging the mounting assembly, the rubber wing main body can be conveniently and quickly replaced in the actual use process of the centralizer, the sleeve body does not need to be disassembled, the maintenance cost is effectively reduced, the maintenance efficiency is improved, and meanwhile the connecting assembly is arranged, so that the rubber wing main body can be conveniently and quickly replaced. And the purpose of quickly replacing the single rubber wing main body can be further achieved, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of centralizer, specifically to wireless while drilling inclinometer centralizer. BACKGROUND

[0002] The wireless while drilling inclinometer centralizer is a device for helping the inclinometer to keep stable and accurately measure in the drilling process. The basic structure of the centralizer includes a centralizer base body, a sleeve rubber wing assembly, a first end head and a second end head. The outside is provided with elastic rubber wings, and the inside has a wire connected to the connecting terminal at both ends.

[0003] In the prior art, the patent with the publication number CN206246070U discloses a wireless while drilling inclinometer centralizer, which includes a centralizer base body, a sleeve rubber wing assembly, a first end head and a second end head. Between the sleeve rubber wing assembly and the first end head and / or the second end head, an annular elastic gasket is clamped, and the elastic gasket is sleeved on the centralizer base body. The sleeve rubber wing assembly includes a sleeve and a rubber wing, and the rubber wing is fixed to the outside of the sleeve and is evenly distributed along the circumference of the sleeve. The utility model can shorten the total length of the centralizer to 300mm, not only maintaining the original centralizing and damping effects, but also reducing the production cost and difficulty, and replacing the sleeve without special tooling, which is convenient for on-site operation.

[0004] In the technical solution of the above-mentioned patent technology, the rubber wing and the sleeve are of an integrated structure, so that when the rubber wing needs to be replaced due to damage, the sleeve needs to be disassembled and replaced, which increases the maintenance cost and makes the replacement process more complicated. In view of this, the present application proposes a wireless while drilling inclinometer centralizer to solve the above-mentioned problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a wireless while drilling inclinometer centralizer, which solves the problems of high maintenance cost and complicated replacement process proposed in the background art.

[0006] To achieve the above-mentioned purposes, the utility model is implemented by the following technical solutions: a wireless while drilling inclinometer centralizer, which includes:

[0007] A centralizer body, the two ends of the centralizer body are respectively provided with a first end head and a second end head;

[0008] A sleeve rubber wing assembly, the sleeve rubber wing assembly includes a sleeve body arranged in the middle of the centralizer body, and three rubber wing bodies arranged in a circumferential array on the outer surface of the sleeve body;

[0009] The mounting assembly is used for mounting the three rubber wing bodies on the outer surface of the sleeve body, and the mounting assembly comprises an annular groove formed on the outer surface of the sleeve body and two semicircular housings respectively arranged on the inner wall of the annular groove, the two semicircular housings are hinged through a hinge, and the two semicircular housings are fixedly connected with the surface of the sleeve body through a first inner hexagonal bolt.

[0010] Preferably, the end of one of the semicircular housings is fixedly provided with a connecting strip, and the end of the other semicircular housing is formed with a connecting groove matched with the connecting strip.

[0011] Preferably, the surface of the semicircular housing formed with the connecting groove is equidistantly formed with a plurality of first through holes extending into the connecting groove, the first inner hexagonal bolt is inserted into the inner wall of the first through hole, and the end of the first through hole is formed with a first recess groove matched with the end of the first inner hexagonal bolt.

[0012] Preferably, the surface of the connecting strip is equidistantly formed with a plurality of positioning holes matched with the first inner hexagonal bolt, and the inner wall of the annular groove on the surface of the sleeve body is formed with a first cylindrical threaded groove threadedly connected with the first inner hexagonal bolt.

[0013] Preferably, the surface of the semicircular housing is provided with a connecting assembly used for connecting the rubber wing body, the connecting assembly comprises a rectangular groove formed on the outer surface of the semicircular housing and a rubber wing plate inserted into the inner wall of the rectangular groove, and the rubber wing body is fixedly arranged on the surface of the rubber wing plate.

[0014] Preferably, the surface of the rubber wing plate is equidistantly formed with four second through holes in a rectangular array, and the inner wall of the second through hole is inserted with a second inner hexagonal bolt.

[0015] Preferably, the end of the second through hole is formed with a second recess groove matched with the end of the second inner hexagonal bolt, and the inner wall of the rectangular groove is formed with a second cylindrical threaded groove threadedly connected with the second inner hexagonal bolt.

[0016] Beneficial effects

[0017] The utility model provides a wireless while drilling inclinometer centralizer, has the following beneficial effects compared with prior art:

[0018] The wireless while drilling inclinometer centralizer, through setting up mounting assembly, make this centralizer in the process of actual use, can be convenient for quick replacement to rubber wing body, need not to dismantle sleeve body, further effectively reduce maintenance cost, improve repair efficiency, can further realize the purpose of quick replacement to single rubber wing body through setting up connecting assembly, and the practicality is stronger. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1The three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 The three-dimensional structure schematic diagram of the sleeve rubber wing assembly of the utility model;

[0021] Figure 3 The sectional structure schematic diagram of the sleeve body of the utility model;

[0022] Figure 4 The utility model discloses Figure 3 The enlarged structure schematic diagram of A place in the utility model;

[0023] Figure 5 The utility model discloses Figure 3 The enlarged structure schematic diagram of B place in the utility model.

[0024] In the drawing,

[0025] 100, centralizer body;

[0026] 200, first end;

[0027] 300, second end;

[0028] 400, sleeve rubber wing assembly; 401, sleeve body; 402, rubber wing main body;

[0029] 500, mounting assembly; 501, semicircular shell; 502, first inner hexagonal bolt; 503, connecting strip; 504, connecting groove; 505, first cylindrical thread groove;

[0030] 600, connecting assembly; 601, rubber wing plate; 602, second inner hexagonal bolt; 603, second cylindrical thread groove. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0032] Please refer to Figures 1-5 The utility model provides a technical scheme: wireless while drilling inclinometer centralizer, comprising:

[0033] The centralizer body 100 is provided with the first end 200 and the second end 300 at both ends respectively;

[0034] The sleeve rubber wing assembly 400 includes a sleeve body 401 disposed in the middle of the stabilizer body 100, and three rubber wing bodies 402 disposed in a circumferential array on the outer surface of the sleeve body 401.

[0035] Mounting assembly 500 is used to mount three rubber wing bodies 402 onto the outer surface of sleeve body 401. Mounting assembly 500 includes an annular groove formed on the outer surface of sleeve body 401, and two semi-circular housings 501 respectively disposed on the inner wall of the annular groove. The two semi-circular housings 501 are hinged together and fixedly connected to the surface of sleeve body 401 by first hexagonal socket head cap screws 502.

[0036] See Figure 3 , Figure 4 A connecting strip 503 is fixed at one end of a semi-circular shell 501, and a connecting groove 504 adapted to the connecting strip 503 is opened at the other end of the semi-circular shell 501.

[0037] Specifically, by setting the connecting strip 503 and the connecting groove 504, the stability of the two semi-circular shells 501 and the sleeve body 401 after installation is effectively guaranteed.

[0038] See Figure 4 The surface of the semi-circular housing 501 with the connecting groove 504 has several first through holes that extend into the connecting groove 504 at equal intervals, and the first internal hex bolt 502 is inserted into the inner wall of the first through hole, and the end of the first through hole has a first recess that matches the end of the first internal hex bolt 502.

[0039] Specifically, by setting the first internal hex bolt 502, it is easy to effectively fix the two semi-circular shells 501 to the sleeve body 401.

[0040] See Figure 4 The surface of the connecting strip 503 is provided with a number of positioning holes that are adapted to the first internal hexagon bolt 502 at equal intervals, and the inner wall of the annular groove on the surface of the sleeve body 401 is provided with a first cylindrical thread groove 505 that is threaded to the first internal hexagon bolt 502.

[0041] Specifically, by setting the first cylindrical threaded groove 505, the first internal hexagon bolt 502 can be screwed into the first cylindrical threaded groove 505 to achieve a stable connection.

[0042] See Figure 3 , Figure 5The surface of the semicircular shell 501 is provided with a connecting assembly 600 for connecting the rubber wing body 402, the connecting assembly 600 comprises a rectangular groove opened on the outer surface of the semicircular shell 501, and a rubber wing plate 601 inserted in the inner wall of the rectangular groove, and the rubber wing body 402 is fixed on the surface of the rubber wing plate 601.

[0043] Specifically, by arranging the rubber wing plate 601, the single rubber wing body 402 can be quickly disassembled.

[0044] Referring to Figure 5 The surface of the rubber wing plate 601 is provided with four second through holes in a rectangular array, and the inner wall of the second through hole is provided with a second inner hexagonal bolt 602.

[0045] Specifically, by arranging the second inner hexagonal bolt 602, the rubber wing plate 601 and the rectangular groove can be quickly and stably connected.

[0046] Referring to Figure 5 The end of the second through hole is provided with a second recess groove matched with the end of the second inner hexagonal bolt 602, and the inner wall of the rectangular groove is provided with a second cylindrical threaded groove 603 threadedly connected with the second inner hexagonal bolt 602.

[0047] Specifically, by arranging the second cylindrical threaded groove 603, the second inner hexagonal bolt 602 can be screwed into the second cylindrical threaded groove 603, and the rubber wing plate 601 can be effectively fixed.

[0048] The installation assembly 500 is arranged, so that the centralizer can conveniently replace the rubber wing body 402 during actual use, without disassembling the sleeve body 401, thereby effectively reducing the maintenance cost and improving the maintenance efficiency.

[0049] Working principle: during actual use of the centralizer, when the damaged rubber wing body 402 needs to be replaced, the first inner hexagonal bolt 502 is twisted to be screwed out of the first cylindrical threaded groove 505, and then the two semicircular shells 501 and the sleeve body 401 are disassembled, so that the rubber wing body 402 can be quickly replaced without disassembling the sleeve body 401, thereby effectively reducing the maintenance cost and improving the maintenance efficiency.

[0050] Also, any format not described in detail herein is considered to be conventional and well known by those skilled in the art.

Claims

1. A wireless MWD surveying device centralizer, characterized in that, The utility model relates to a centralizer, which comprises: a centralizer body (100) provided with a first end head (200) and a second end head (300) at both ends, respectively; a sleeve rubber wing assembly (400) comprising a sleeve body (401) arranged in the middle of the centralizer body (100) and three rubber wing bodies (402) arranged in a circumferential array on the outer surface of the sleeve body (401); an installation assembly (500) for mounting the three rubber wing bodies (402) on the outer surface of the sleeve body (401), which comprises an annular groove opened on the outer surface of the sleeve body (401) and two semicircular housings (501) arranged on the inner wall of the annular groove, respectively, the two semicircular housings (501) being hingedly connected by a hinge, and the two semicircular housings (501) being fixedly connected to the surface of the sleeve body (401) by a first inner hexagonal bolt (502).

2. The wireless MWD centralizer of claim 1, wherein: The end of one of the semicircular housings (501) is fixedly provided with a connecting strip (503), and the end of the other semicircular housing (501) is provided with a connecting groove (504) matched with the connecting strip (503).

3. The wireless MWD centralizer of claim 2, wherein: The surface of the semicircular housing (501) provided with the connecting groove (504) is equidistantly provided with a plurality of first through holes extending into the connecting groove (504), and the first inner hexagonal bolt (502) is inserted into the inner wall of the first through hole, and the end of the first through hole is provided with a first recess groove matched with the end of the first inner hexagonal bolt (502).

4. The wireless MWD centralizer of claim 3, wherein: The surface of the connecting strip (503) is equidistantly provided with a plurality of positioning holes matched with the first inner hexagonal bolt (502), and the inner wall of the annular groove on the surface of the sleeve body (401) is provided with a first cylindrical threaded groove (505) threadedly connected with the first inner hexagonal bolt (502).

5. The wireless MWD centralizer of claim 1, wherein: The surface of the semicircular housing (501) is provided with a connecting assembly (600) for connecting the rubber wing body (402), which comprises a rectangular groove opened on the outer surface of the semicircular housing (501) and a rubber wing plate (601) inserted into the inner wall of the rectangular groove, and the rubber wing body (402) is fixedly arranged on the surface of the rubber wing plate (601).

6. The wireless MWD centralizer of claim 5, wherein: The surface of the rubber wing plate (601) is equidistantly provided with four second through holes, and the inner wall of the second through hole is inserted with a second inner hexagonal bolt (602).

7. The wireless MWD centralizer of claim 6, wherein: The end of the second through hole is provided with a second recess groove matched with the end of the second inner hexagonal bolt (602), and the inner wall of the rectangular groove is provided with a second cylindrical threaded groove (603) threadedly connected with the second inner hexagonal bolt (602).

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