CN217589712U

CN217589712U - Multi-core pressure-bearing slip ring type connector for drilling

Info

Publication number: CN217589712U
Application number: CN202221555858.0U
Authority: CN
Inventors: 李运升; 冉荣伟
Original assignee: Chengdu Shendi Navigation Energy Technology Co ltd
Current assignee: Chengdu Shendi Navigation Energy Technology Co ltd
Priority date: 2022-06-21
Filing date: 2022-06-21
Publication date: 2022-10-14
Anticipated expiration: 2032-06-21

Abstract

The utility model belongs to the technical field of the connector, specifically provide a multicore pressure-bearing sliding ring type connector for following along with boring. The connector comprises a male head rotor part and a female head stator part, wherein the male head rotor part comprises a conductive assembly, and the female head stator part comprises a contact finger assembly; the conductive assembly is a plurality of conductive rings arranged at the periphery of the male head rotor part at intervals, and the contact finger assembly is a plurality of groups of annular contact fingers arranged at intervals inside the female head stator part; one end of the male rotor part is inserted into the female stator part, and each group of annular contact fingers of the contact finger assembly are respectively in contact fit with each conductive ring of the conductive assembly. The utility model adopts the sealing process of the integral cylinder body to ensure that the connector is exposed in the external high-pressure environment to be sealed without infiltration, thereby realizing the signal transmission between the rotating parts, improving the sealing property and the insulating property between the electronic parts and improving the stability of the signal transmission; the reliability of the equipment in underground stable operation is improved, the electric energy is saved, and the underground operation maintenance cost is reduced.

Description

Multi-core pressure-bearing slip ring type connector for drilling

Technical Field

The utility model belongs to the technical field of along with boring the connector, concretely relates to a multicore pressure-bearing sliding ring type connector for following with boring.

Background

In the process of exploration and development of oil and gas fields, well drilling operation is carried out according to well logging data so as to know the oil and gas containing condition of a stratum, a logging-while-drilling instrument is a commonly used well logging instrument, generally, a logging-while-drilling instrument string comprises a plurality of instrument pup joint sections, and each instrument section is connected through drill collar threads. Each instrument segment has a bus interface for communication and power supply between the measurement segments. During the installation of the logging instrument string, due to the rotation of the drill collar threads, the drill collars rotate circumferentially and move linearly in the axial direction relatively. In order to ensure the reliability of bus interface connection in the process of drill collar threaded connection, a connector is required to be installed at the end of each segment. In the underground working process of the logging-while-drilling instrument, high temperature and high pressure and larger vibration impact need to be borne, and the reliability of connection and sealing of the connector is directly related to the service performance of the instrument.

The connector is an important universal component used for each measurement section of the logging-while-drilling instrument, and is of great importance to the reliability and stability of the structure and communication of the whole logging instrument string. The existing connectors used for drilling are mostly arranged in a sealed cavity, and the problems of poor sealing performance and poor assembling convenience exist.

SUMMERY OF THE UTILITY MODEL

There is the not good problem of sealing performance and assembly convenience to connector prior art, the utility model provides a multicore pressure-bearing sliding ring type connector for following drilling adopts the package as a whole barrel to seal technology, and aim at guarantees that the connector exposes seals not to have the infiltration in externally high-pressure environment.

The utility model discloses a following technical scheme realizes:

a multi-core pressure-bearing slip ring type connector used for drilling comprises a male head rotor component and a female head stator component, wherein the male head rotor component comprises a conductive assembly, and the female head stator component comprises a contact finger assembly; the conductive assemblies are a plurality of conductive rings arranged at the periphery of the male head rotor component at intervals, and the contact finger assemblies are a plurality of groups of annular contact fingers arranged at intervals in the female head stator component; one end of the male head rotor part is inserted into the female head stator part, and each group of annular contact fingers of the contact finger assembly are respectively in contact fit with each conductive ring of the conductive assembly. Female first stator part is used for introducing the signal of telecommunication to inside, and public first stator part passes through one end and gets into female first stator part, realizes the signal transmission between public first rotor part and the female first stator part.

As a further preferable scheme, a spacer ring is arranged between the conductive rings of the conductive assembly.

As a further preferable scheme, an O-shaped groove is formed in the periphery of the male rotor component, and an O-shaped sealing ring a matched with the inner wall of the segment is arranged in the O-shaped groove.

As a further preferable scheme, a retainer ring is further arranged in an O-shaped groove formed in the periphery of the male rotor component, and the retainer ring is positioned on one side of the O-shaped sealing ring a close to the middle of the segment.

As a further preferable scheme, at least two groups of O-shaped grooves are formed in the periphery of the male rotor component.

As a further preferable scheme, the periphery of the female stator component is provided with an O-shaped groove, and an O-shaped sealing ring B matched with the inner wall of the other section is arranged in the O-shaped groove.

As a further preferable scheme, at least two groups of O-shaped grooves are formed in the periphery of the female stator part.

As a further preferred aspect, the male rotor component includes a wire groove disposed between the conductive component and the male rotor component body.

As a further preferable scheme, the male rotor component comprises a pressure bearing cylinder and a pressure bearing plug, the pressure bearing plug is arranged inside the male rotor component, and the pressure bearing cylinder is arranged at the end part of the male rotor component.

As a further preferable aspect, the female stator part includes a fixing ring provided at an end portion of an inner wall of the female stator part.

To sum up, compared with the prior art, the utility model, have following advantage and beneficial effect:

the present connector that is used for following along with boring is mostly used for in a sealed cavity, the utility model discloses a pressure-bearing connector can expose the direct pressure-bearing of realizing of external environment and seal to adopt the annular to touch and indicate, grab the performance to connect simultaneously and carried out optimal design to inside, can be applicable to better among the dismouting and the operation environment of following along with the boring instrument.

1. The direct and positive effects are as follows: the utility model mainly adopts the sealing process of the integral cylinder body to ensure that the connector is exposed in the external high-pressure environment to be sealed without permeation, thereby realizing the signal transmission between the rotating parts, improving the sealing property and the insulating property between the electronic parts and improving the stability of the signal transmission;

2. the indirect positive effect is as follows: the reliability of the equipment in underground stable operation is improved, the electric energy is saved, and the underground operation maintenance cost is reduced;

3. the social effect is as follows: by saving electric energy and reducing maintenance cost, the sustainable development of the industry is further promoted, and the green development of the industry is assisted.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principle of the invention.

FIG. 1 is a schematic structural diagram of a male rotor component of a multi-core pressure-bearing slip ring type connector used for drilling according to an embodiment.

FIG. 2 is a schematic structural diagram of a female head stator component of a multi-core pressure-bearing slip ring type connector for drilling according to an embodiment.

FIG. 3 is a schematic structural diagram of the male rotor component and the female stator component of the multi-core pressure-bearing slip ring type connector for assembly while drilling according to the embodiment.

Reference numbers and corresponding part names: 1 is a pressure bearing cylinder, 2 is a pressure bearing plug, 3 is a conductive component, 4 is an O-shaped sealing ring A, 5 is a right end cover of a male rotor component, 6 is a retaining ring, 7 is a lead groove, 8 is a contact finger component, 9 is an O-shaped sealing ring B, and 10 is a fixing ring.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more clearly understood, the following description, in conjunction with the examples and the accompanying drawings, is intended to explain the principles and features of the present invention in further detail, and the illustrative embodiments and the description thereof are only used to explain the present invention, and are not intended to limit the scope of the present invention.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, it will be apparent to one of ordinary skill in the art that: it is not necessary to employ these specific details to practice the invention. In other instances, well-known structures, circuits, materials, or methods have not been described in detail so as not to obscure the present invention.

Throughout the description of the specification, reference to "one embodiment," "an embodiment," "one example" or "an example" means: the particular features, structures, or characteristics described in connection with the embodiment or example are included in at least one embodiment of the present invention. Thus, the appearances of the phrases "one embodiment," "an embodiment," "one example" or "an example" in various places throughout this specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics may be combined in any suitable combination and/or sub-combination in one or more embodiments or examples. Further, those of ordinary skill in the art will appreciate that the illustrations provided herein are for illustrative purposes and are not necessarily drawn to scale. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The following discloses many different embodiments or examples for implementing the subject technology described. While specific examples of one or more arrangements of features are described below to simplify the disclosure, the examples should not be construed as limiting the present disclosure, and a first feature described later in the specification in conjunction with a second feature can include embodiments that are directly related, can also include embodiments that form additional features, and further can include embodiments in which one or more additional intervening features are used to indirectly connect or combine the first and second features to each other so that the first and second features may not be directly related.

In the description of the present invention, it should be understood that the terms "front", "back", "left", "right", "upper", "lower", "vertical", "horizontal", "top", "bottom", "high", "low", "inner", "outer", "center", "length", "peripheral side", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present invention.

In the description of this specification, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified otherwise.

The terms used in the present specification are those general terms which are currently widely used in the art in consideration of functions related to the present disclosure, but they may be changed according to the intention of a person having ordinary skill in the art, precedent, or new technology in the art. Also, specific terms may be selected by the applicant, and in this case, their detailed meanings will be described in the detailed description of the present disclosure. Therefore, the terms used in the specification should not be construed as simple names but based on the meanings of the terms and the overall description of the present disclosure.

Flowcharts or text are used in this specification to illustrate the operational steps performed in accordance with embodiments of the present application. It should be understood that the operational steps in the embodiments of the present application are not necessarily performed in the exact order recited. Rather, the various steps may be processed in reverse order or simultaneously, as desired. Meanwhile, other operations may be added to the processes, or a certain step or several steps of operations may be removed from the processes.

To the not good problem of connector prior art sealing performance, the utility model provides a pressure-bearing sliding ring type connector adopts the package as a whole barrel to seal technology, and aim at guarantees that the connector exposes seals not have the infiltration in outside high-pressure environment. The utility model discloses a following embodiment realizes:

examples

A multi-core pressure-bearing slip ring type connector for use while drilling, as shown in fig. 1, 2, 3, comprising a male rotor part comprising a conductive assembly 3 and a female stator part comprising a finger assembly 8; the conductive assemblies 3 are a plurality of conductive rings arranged at intervals on the periphery of the male head rotor component, and the contact finger assemblies 8 are a plurality of groups of annular contact fingers arranged at intervals in the female head stator component; one end of the male rotor part is inserted into the female stator part, and each group of annular contact fingers of the contact finger assembly 8 are respectively in contact fit with each conductive ring of the conductive assembly 3, and electric signals are transmitted between the moving rotating body and the static rotating body.

The female head stator part is a hollow cylinder, end covers are arranged at the left end and the right end of the cylinder and used for fixedly introducing electric signals into the sliding ring, and the male head stator part enters the female head stator part through one end cover to realize signal transmission between the male head rotor part and the female head stator part. The hollow part of the female head stator part is in a blind hole form to form self sealing, and the other end of the contact finger is led out and connected with a wire. The inside of the male head rotor part is hollow and used for arranging and routing lines, the outermost side of the male head rotor part is sealed by a right end cover 5 of the male head rotor part, one end of each line is connected with the inner side of the corresponding conducting ring, and the other end of each line is led out from the inside of the male head rotor part in a hollow mode. The seal thus formed completely isolates the interior of the segment from the exterior of the connector.

In an alternative embodiment, as shown in fig. 1, a spacer ring is disposed between the conductive rings of the conductive member 3. The conductive element 3 includes a conductive ring and a spacer ring. The conducting ring rotates in female first stator part barrel, and one end stretches into the barrel, and the other end stretches out the barrel, and female first stator part fixed joint penetrates the inside of barrel one end at the male rotor part, and the spacer ring is used for the location of the signal of telecommunication in the inside transmission course of barrel.

In an alternative embodiment, as shown in fig. 1, the male rotor component is provided with an O-shaped groove on the periphery, and an O-shaped sealing ring A4 matched with the inner wall of the segment is arranged in the O-shaped groove. And a retainer ring 6 is further arranged in an O-shaped groove formed in the periphery of the male head rotor component, and the retainer ring 6 is positioned on one side of the O-shaped sealing ring A4 close to the middle part of the segment. At least two groups of O-shaped grooves are formed in the periphery of the male rotor component. As shown in fig. 1, the male rotor component includes a wire groove 7, the wire groove 7 is disposed between the conductive component 3 and the male rotor component body, and the wire groove 7 is used for embedding an electrical signal into the groove for flowing, so as to realize stable transmission of the electrical signal. The male rotor component comprises a pressure bearing cylinder 1 and a pressure bearing plug 2, the pressure bearing plug 2 is arranged inside the male rotor component, and the pressure bearing cylinder 1 is arranged at the end part of the male rotor component. A pressure bearing cylinder 1 is arranged above the left end cover, and a plurality of O-shaped sealing rings and check rings are respectively arranged between the left end cover, the right end cover and the sealing cylinder body along the axial direction and used for realizing the whole pressure bearing performance and the sealing performance. The middle part of the cylinder body is provided with a pressure bearing plug 2 for realizing the sealing performance during the transmission of electric signals in the cylinder body.

In an alternative embodiment, as shown in fig. 2, the female stator part is provided with an O-ring groove on its periphery, and an O-ring B9 is disposed in the O-ring groove and engages with another section of the inner wall. At least two groups of O-shaped grooves are formed in the periphery of the female head stator component. A plurality of O-shaped sealing rings are arranged on the upper and lower sides of the shell of the cylinder body along the axial direction and on the contact finger support in the cylinder body, so that the double sealing performance of the inside and the outside of the cylinder body is realized. As shown in fig. 2, the female stator part comprises a fixing ring 10, the fixing ring 10 being arranged at the end of the inner wall of the female stator part; the barrel afterbody is equipped with solid fixed ring for spacing when public first rotor part penetrates the barrel inside. The contact finger assembly 8 is arranged in the cylinder body, and the contact finger assembly 8 comprises a contact finger and a contact finger support. The two ends of the contact finger support are fixedly connected with the contact fingers in the grooves, so that deformation of the contact finger support is prevented, and the connection effect is better when the rotor component of the male head of the slip ring connector and the stator component of the female head of the slip ring connector rotate.

The above-mentioned embodiments further explain the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned is only the preferred embodiments of the present invention, and is not used to limit the protection scope of the present invention, any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A multicore pressure-bearing sliding ring type connector for following drilling, its characterized in that: the device comprises a male rotor part and a female stator part, wherein the male rotor part comprises a conductive assembly (3), and the female stator part comprises a contact finger assembly (8); the conducting assemblies (3) are a plurality of conducting rings arranged at the periphery of the male head rotor component at intervals, and the contact finger assemblies (8) are a plurality of groups of annular contact fingers arranged at the inner part of the female head stator component at intervals; one end of the male head rotor part is inserted into the female head stator part, and each group of annular contact fingers of the contact finger assembly (8) are respectively in contact fit with each conducting ring of the conducting assembly (3).

2. The multiple core pressure containing slip ring type connector of claim 1, wherein: and spacing rings are arranged between the conducting rings of the conducting components (3).

3. The multiple core pressure containing slip ring type connector of claim 1, wherein: and an O-shaped groove is formed in the periphery of the male head rotor component, and an O-shaped sealing ring A (4) matched with the inner wall of the segment is arranged in the O-shaped groove.

4. The multi-core pressure-bearing slip-ring connector of claim 3, wherein: a retainer ring (6) is further arranged in an O-shaped groove formed in the periphery of the male rotor component, and the retainer ring (6) is located on one side, close to the middle of the segment, of the O-shaped sealing ring A (4).

5. The multiple conductor pressure containing slip ring type connector of claim 4, wherein: and at least two groups of O-shaped grooves are formed in the periphery of the male head rotor component.

6. The multiple core pressure containing slip ring type connector of claim 1, wherein: and an O-shaped groove is formed in the periphery of the female head stator component, and an O-shaped sealing ring B (9) matched with the inner wall of the other section is arranged in the O-shaped groove.

7. The multiple core pressure containing slip ring type connector of claim 6, wherein: at least two groups of O-shaped grooves are formed in the periphery of the female head stator component.

8. The multiple core pressure containing slip ring type connector of claim 1, wherein: public first rotor part includes wire slot (7), wire slot (7) set up in electrically conductive subassembly (3) with between the public first rotor part main part.

9. The multiple core pressure containing slip ring type connector of claim 1, wherein: the male rotor component comprises a pressure bearing cylinder (1) and a pressure bearing plug (2), the pressure bearing plug (2) is arranged inside the male rotor component, and the pressure bearing cylinder (1) is arranged at the end part of the male rotor component.

10. The multiple core pressure containing slip ring type connector of claim 1, wherein: the female stator component comprises a fixing ring (10), and the fixing ring (10) is arranged at the end part of the inner wall of the female stator component.