CN216162392U

CN216162392U - High-voltage cable shunting special-shaped joint

Info

Publication number: CN216162392U
Application number: CN202122252243.2U
Authority: CN
Inventors: 李西江; 孟向明; 怀文; 商莉莉; 李彬; 陈庆卫; 胡海涛
Original assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Xianhe Oil Production Plant
Current assignee: China Petroleum and Chemical Corp; Sinopec Shengli Oilfield Co Xianhe Oil Production Plant
Priority date: 2021-09-16
Filing date: 2021-09-16
Publication date: 2022-04-01
Anticipated expiration: 2031-09-16

Abstract

The utility model provides a high-voltage cable tapping special-shaped joint which comprises a protective shell, an upper joint, an upper cable chamber, a lower double-hole joint and a lower double-cavity cable chamber, wherein the upper joint is positioned at the top end of the protective shell, the lower double-hole joint is positioned at the bottom end of the protective shell, an electric pump cable is connected with the upper joint and is arranged in the upper cable chamber in the upper joint, one end of the lower double-hole joint is connected with a motor lead, the other end of the lower double-hole joint is connected with other electric equipment leads, and the motor lead and other electric equipment leads are arranged in the lower double-cavity cable chamber in the lower double-hole joint. This high tension cable shunting abnormal shape joint simple structure, reasonable in design can effectively protect little flat cable joint not to receive the damage, have realized the power supply of abnormal shape coil transformer in the pit, can also effectively protect oily charge pump cable joint connection quality of diving, improve production efficiency. The device guarantees production safety, reduction in production cost.

Description

High-voltage cable shunting special-shaped joint

Technical Field

The utility model relates to the technical field of oil extraction equipment in the petroleum industry, in particular to a high-voltage cable tapping special-shaped connector.

Background

At present, in the process of oil field development, because the underground production condition of an electric submersible pump is complex, the pump efficiency of the electric pump is influenced by the internal scaling of an impeller of the electric pump, and the pump is blocked in severe cases. Namely, energy waste and yield are affected. In the face of more and more tense crude oil resources and increasing requirements of industrial and agricultural production and social life on crude oil, the method improves the yield of crude oil and is one of important measures for energy conservation and emission reduction. The existing submersible electric pump joint in the oil field can not meet the production requirement.

In the application No.: CN201720700570.0, a chinese patent application, relates to a special-shaped joint main body of a cable intermediate joint, which comprises an insulating rubber body, a stress cone arranged in the insulating rubber body, a cable conductor connecting pipe for electrically connecting two cables, and a high-voltage shielding pipe; a through hole for inserting two cables to be connected is formed in the insulating rubber body; the through hole in the insulating rubber body is formed by communicating a first through hole section with a smaller aperture, a second through hole section with a larger aperture and a third through hole section which is connected with the first through hole section and the second through hole section and has a smooth transition aperture; the cable conductor connecting pipe is a sleeve structure with a large inner diameter and a small inner diameter and connected into a whole, and is arranged at a third through hole section in the insulating rubber body, wherein one end with a large inner diameter is close to a second through hole section with a large aperture, and one end with a small inner diameter is close to a first through hole section with a small aperture.

In the application No.: CN201822175581.9, the Chinese patent application relates to a novel cable joint, including adapter sleeve, fastening clamp plate and fastening screw, adapter sleeve's top is along length direction undercut formation screw recess, four screw holes have been seted up to screw recess's inner chamber bottom, fastening clamp plate is provided with two of the same structure, and the symmetry sets up in adapter sleeve's inner chamber left and right sides, fastening clamp plate's left and right sides symmetry is provided with the clamp plate flank, every fastening clamp plate's top all rotationally is connected with fastening screw, fastening screw corresponds the spiro union with the screw hole in the screw recess, fastening screw is the socket head cap screw that the inner chamber link up, fastening screw's inner chamber lower extreme and fastening clamp plate are planted the cooperation, fastening screw's inner chamber lower extreme is provided with the convex edge of connection, connect convex edge and fastening clamp plate through rivet riveting carry out axial spacing, this device provides a high-efficient festival of operation, Novel cable joint convenient to repeated dismouting.

In the application No.: CN200410067194.3 chinese patent application relates to a branching method for a railway tunnel lighting power cable joint and a branching spacer ring support structure thereof, the method is mainly to put matched branching spacer ring supports into core wire groups according to the diameter of a main cable, and to clamp each core wire into each corresponding groove on the ring support surface, wherein the middle cable core wire enters the middle of the ring support through an opening gap of the ring support; the power core wire to be led out is stripped of a section of insulating sheath of the corresponding core wire at one side or two sides of the ring support, the branch cable core wire led out after the wire end is stripped and the corresponding power core wire are tightly wound and connected according to the wiring requirement of electricians, and the electricians self-adhesive tape is used for corresponding binding. The branch space wire ring is braced into a special-shaped column body with a middle through hole and grooves distributed on the surface and matched with the control cable wire and the power core wire of the cable.

The prior art is greatly different from the utility model, and the technical problem which is to be solved by the utility model is not solved, so that a novel high-voltage cable tapping special-shaped connector is invented.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a high-voltage cable tapping special-shaped connector which is simple in structure, convenient to maintain and capable of being popularized and used in a large area.

The object of the utility model can be achieved by the following technical measures: high-voltage cable shunting allotypic joint, this high-voltage cable shunting allotypic joint includes protecting sheathing, the upper portion connects, the upper portion cable chamber, lower part double-cavity cable chamber connects and lower part double-chamber cable chamber, this upper portion connects the top that is located this protecting sheathing, this lower part double-cavity connects the bottom that is located this protecting sheathing, charge pump cable junction connects in this upper portion, and install in this upper portion cable chamber of the inside that this upper portion connects, the one end and the motor pin-lead connection of this lower part double-cavity joint, the other end and other consumer pin-leads connection, the motor pin is installed in this lower part double-chamber cable chamber of this lower part double-cavity joint inside with other consumer pins.

The object of the utility model can also be achieved by the following technical measures:

the high-voltage cable tapping special-shaped connector also comprises an anti-corrosion outer layer, wherein the anti-corrosion outer layer is sprayed with an anti-corrosion coating and coated on the surface of the protective shell.

The high-voltage cable tapping special-shaped joint further comprises a heat insulation layer and a protective layer, wherein the heat insulation layer is filled in the protective shell, and the heat insulation layer is connected with the protective layer in an embedded mode.

The high-voltage cable tapping special-shaped connector further comprises an insulating layer, the insulating layer is filled in the protective shell, and the insulating layer is in interference fit with the electric pump cable.

The upper joint is movably connected with the lower double-hole joint.

The protective shell is fixed on the side surface of the electric submersible pump and is fixed by a stainless steel clamp.

The high-voltage cable tapping special-shaped joint further comprises an upper locker and a lower locker, the upper locker is located in the upper joint to fix the electric pump cable, and the lower locker is located in the lower double-hole joint to fix the motor lead and other electric equipment leads.

Grooves are axially formed in the upper cable chamber and the lower double-cavity cable chamber, and the electric pump cable, the motor lead and other electric equipment leads are all located in the grooves.

The maximum size of the high-voltage cable tapping special-shaped connector is equal to or smaller than the radius of the electric submersible pump unit.

The high-voltage cable tapping special-shaped connector is a novel connector which can be improved, has a simple structure, is convenient to maintain, can be popularized and used in a large area, and can meet the requirements of enterprises on clean production, increase of crude oil yield and improvement of economic and social benefits of the enterprises. In order to overcome the defects that the cable head of the existing electric submersible pump is not provided with a protection device at the connection part with the motor lead, and can not be externally connected with other electric equipment, so that the electric submersible pump is provided with electric equipment except the electric pump, and the cable joint can not meet the requirements, the utility model adopts a high-voltage cable tapping special-shaped joint, and the upper end of the cable joint is connected with the electric pump cable; the lower end is connected with a motor lead and a magnetic coil transformer in the well. The yield loss caused by the fact that the cable joint cannot be connected with other electric equipment is reduced, meanwhile, the production cost is reduced, the pump efficiency of the electric submersible pump is improved, and the production safety is ensured.

The utility model is convenient and quick to install, and a special connector is fixedly installed on the side surface of the upper end of the submersible motor shell of the high-voltage cable tapping special-shaped connector; a groove is axially arranged in the special joint, and the small flat cable, the motor lead and the transformer cable are positioned in the groove; the special joints are fixedly connected by stainless steel clips, and cables are arranged in inner holes formed by the connected upper parts and the lower parts; the purpose of quick and convenient connection is achieved.

Compared with the prior art, the utility model has the advantages that the cable joint of the electric submersible pump is utilized to provide power for other electric equipment, the phenomenon that redundant power supply cables are installed in a narrow shaft at the same time is avoided, time and labor are saved, and the working efficiency is improved. The device can reduce the yield loss caused by the fact that the cable joint cannot be connected with other electric equipment, meanwhile, the production cost is reduced, the pump efficiency of the electric submersible pump is improved, and the production safety is ensured. The installation operation is simple, and the long-time reliable operation can be realized.

Its main utility model's effect lies in:

1. the device main body is made of high-quality materials, and is firm, durable, corrosion-resistant (hydrogen sulfide), high-temperature-resistant and high-insulation. The upper joint and the lower joint are movably connected, so that the device is convenient and flexible and has long service life.

2. Two working chambers are arranged at the lower part of the special joint and can be connected with electric equipment except the electric pump, so that energy waste is avoided.

3. The upper part connects and connects inside the fixed corresponding cable of locking device with the lower part, and firm reliable insulating degree is high, and inner structure is stable.

4. The special joint has the advantages of novel structure, high reliability, small equipment volume, simple and convenient installation and maintenance and the like. The unsafe factors are avoided, and the high-efficiency production is realized.

Drawings

Fig. 1 is a block diagram of an embodiment of a high voltage cable tapping profile connector of the present invention;

fig. 2 is a top plan view of an embodiment of the high voltage cable breakout profile of the present invention;

fig. 3 is a bottom plan view of an embodiment of the high voltage cable breakout profile of the present invention.

Detailed Description

It is to be understood that the following detailed description is exemplary and is intended to provide further explanation of the utility model as claimed. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the utility model. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.

The high-voltage cable tapping special-shaped joint comprises a protective shell, an electric pump cable upper joint and a small flat cable lower double-hole joint, wherein one end of the small flat cable is connected with a motor, and the other end of the small flat cable is connected with an underground special-shaped coil transformer. The side surface of the upper end of the submersible motor shell is fixedly provided with a special-shaped joint lower part double-hole joint; a groove is axially arranged in the special-shaped joint, and the small flat cable and the transformer cable are positioned in the groove. The special-shaped joint is fixedly connected by a stainless steel clamp, and an inner hole formed by the connected upper part and the lower part is provided with a cable. The maximum size formed by the connected upper part and the lower part is equal to or smaller than the radius of the electric submersible pump unit; the groove is arranged in the upper and lower joints.

The high-voltage cable tapping special-shaped joint also comprises an anti-corrosion outer layer, a heat insulation layer, a protection layer, an insulation layer and a locker.

The upper joint and the lower double-hole joint are movably connected.

The protective shell is fixedly arranged on the side surface of the electric submersible pump and is fixedly arranged by a stainless steel clamp.

The anticorrosion outer layer is sprayed with an anticorrosion coating and coated on the surface of the protective shell.

The heat insulation layer is filled in the protective shell and is connected with the protective layer in an embedded mode.

The insulating layer is filled in the protective shell and is in interference fit with the electric pump cable.

The upper connector is connected with the interior of the electric pump cable, and the connector is connected with the cable in an embedded mode.

And the lower connector is connected with a motor lead at one end of the small flat cable, and the other end of the small flat cable is connected with the underground magnetic coil transformer.

And lockers are arranged in the upper and lower joints to fix cables inside the upper and lower joints.

The utility model has the advantages of simple structure and reasonable design, can effectively protect the small flat cable joint from being damaged in the process of feeding the submersible electric pump, realizes the power supply of the underground special-shaped coil transformer, can effectively protect the connection quality of the cable joint of the submersible electric pump, and improves the production efficiency. The device guarantees production safety, reduction in production cost.

The following are several specific examples to which the present invention may be applied.

Example 1

As shown in fig. 1, fig. 1 is a structural diagram of a high-voltage cable tapping special-shaped connector of the present invention. The high-voltage cable tapping special-shaped joint comprises a protective shell 1, an anti-corrosion outer layer 2, a heat insulation layer 3, an insulation layer 4, an upper joint 5, an upper cable chamber 6, a lower double-hole joint 7, a lower double-cavity cable chamber 8, an upper locker 9 and a lower locker 10. The components are connected with each other to form a whole, so that the special-shaped connector for high-voltage cable tapping is formed.

The specific using process is as follows:

a high-voltage cable shunting allotype connects and examines the anticorrosive outer 2 and has no damage before using, the insulating layer 3 and the inside no damage of insulating layer 4, fix protective housing 1 on motor casing upper portion, with the interior of the upper portion cable chamber 6 of the interior of charge pump cable installation and upper portion joint 5, fix with upper portion locker 9, install motor lead wire and other consumer lead wires in the lower part two-chamber cable chamber 8 portion of lower part diplopore joint 7, with lower part locker 10, interconnect constitutes a whole, form a high-voltage cable shunting allotype and connects.

Example 2:

in a specific embodiment of the present invention, the specific application process is as follows: a cable joint protector for an electric submersible pump. In order to overcome the defect that the cable joint of the existing electric submersible pump is easy to damage due to the fact that a protection device is not arranged at the joint of a cable head of the existing electric submersible pump and a motor lead, the cable joint of the electric submersible pump is specially-shaped, the upper part of the cable specially-shaped joint is a fan-shaped end face with the same radius as the upper end face of the motor joint, and the lower part of the cable specially-shaped joint is a fan-shaped end face with the same radius as the lower end face of the motor joint. Thereby protecting the cable joint from damage during the downhole process.

Example 3:

in a specific embodiment to which the present invention is applied, the specific use process is as follows: the special cable head for the submersible motor of the oil-submersible electric pump oil production well comprises a small flat cable for oil submersible, epoxy resin filler, a shell, a rubber sealing gasket, a rubber sealing ring, a pressing ring and a plug.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

In addition to the technical features described in the specification, the technology is known to those skilled in the art.

Claims

1. High-voltage cable shunting abnormal shape connects, a serial communication port, this high-voltage cable shunting abnormal shape connects includes protecting sheathing, the upper portion connects, the upper portion cable chamber, lower part diplopore connects and lower part two-chamber cable chamber, this upper portion connects the top that is located this protecting sheathing, this lower part diplopore connects the bottom that is located this protecting sheathing, charge pump cable junction connects in this upper portion to install in this upper portion cable chamber of the inside that this upper portion connects, the one end and the motor pin connection of this lower part diplopore connect, the other end and other consumer pin connections, the motor pin is installed in this lower part two-chamber cable chamber of this lower part diplopore inside with other consumer pins.

2. The high voltage cable tapping profile joint according to claim 1, further comprising an outer corrosion-resistant layer, wherein the outer corrosion-resistant layer is sprayed with a corrosion-resistant coating on the surface of the protective housing.

3. The high voltage cable tapping profile connector as claimed in claim 1, further comprising a thermal insulation layer and a protective layer, wherein the thermal insulation layer is filled inside the protective housing, and the thermal insulation layer is embedded in the protective layer.

4. The high-voltage cable tapping profile joint according to claim 1, further comprising an insulating layer filled inside the protective casing, the insulating layer being in interference fit with the electric pump cable.

5. The high voltage cable tapping profile connector as claimed in claim 1, wherein the upper connector is movably connected to the lower double hole connector.

6. The high voltage cable tapping profile joint as claimed in claim 1, wherein the protective housing is fixed to the side of the electrical submersible pump by a stainless steel clip.

7. The high voltage cable breakout connection according to claim 1, further comprising an upper locker positioned within the upper connection for securing an electric pump cable and a lower locker positioned within the lower double bore connection for securing a motor lead and other electrical device leads.

8. The high voltage cable tapping profile joint of claim 1, wherein said upper cable chamber and said lower dual chamber cable chamber are axially provided with grooves, and wherein said electrical pump cable, said motor leads and said other electrical equipment leads are located in said grooves.

9. The high voltage cable tapping profile connector of claim 1, wherein the maximum dimension of the high voltage cable tapping profile connector is equal to or less than the radius of the electrical submersible pump assembly.