CN213602045U - Sealing and insulating device for underground large-current female joint - Google Patents
Sealing and insulating device for underground large-current female joint Download PDFInfo
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- CN213602045U CN213602045U CN202022891037.1U CN202022891037U CN213602045U CN 213602045 U CN213602045 U CN 213602045U CN 202022891037 U CN202022891037 U CN 202022891037U CN 213602045 U CN213602045 U CN 213602045U
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Abstract
The utility model discloses a sealing and insulating device for an underground heavy-current female joint, which comprises an outer pipe (1), wherein a group of electrified rings (2) are axially and uniformly distributed in the outer pipe, and the upper end and the lower end of each electrified ring are respectively provided with a sealing and insulating ring (3); one side of each charged ring is provided with a connecting lug (4), and the connecting lugs on one group of charged rings are arranged in a triangle; each connecting lug is provided with a wiring hole (5); a lead (6) is inserted into the wiring hole, and the lead and the wiring hole are firstly crimped and then welded; the other end of the wire connected with each live ring is respectively led out from the top of the outer tube after penetrating out of the threading hole (8) of the respective fan-shaped insulating plate (7). The utility model adopts a plurality of fan-shaped insulating plates to be spliced into a cylinder structure, thereby improving the machinability, the installation operability and the reliability of the product; the insulation performance of joints and other key positions is further improved by adopting a mode of encapsulating insulating glue; the outer pipe adopts the peg to be connected with last body, can reduce outer pipe wall thickness by a wide margin, leaves sufficient space for fan-shaped insulation board.
Description
Technical Field
The utility model relates to a big current female joint in pit is with sealed insulation device belongs to instrument structure technical field in the pit.
Background
In the fields of oil and gas field or coal mine exploration, geothermal well logging, and marine investigation, wet butt joint and other processes in the well are often used for supplying power to underground instruments so as to carry out construction operations such as well logging, perforation, coring and the like. The problems of reliable power supply and long-term sealing insulation need to be solved by the underground electrified wet joint. The existing multi-core wet joint is limited by various factors such as the outer diameter of an instrument, the outer diameter of a lead and the like, so that the structure is more complex and the reliability is unsatisfactory. Therefore, the prior art still has the defects and needs to be further improved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a big current female joint in pit is with sealed insulator arrangement to realize reliable heavy current power supply between multiunit major diameter wire and the electrified ring, thereby overcome the not enough of prior art existence.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a sealing and insulating device for an underground heavy current female joint, which comprises an outer tube, wherein a group of electrified rings are axially and uniformly distributed in the outer tube, and the upper end and the lower end of each electrified ring are respectively provided with a sealing and insulating ring; one side of each charged ring is provided with a connecting lug, and the connecting lugs on one group of charged rings are arranged in a triangle; each connecting lug is provided with a wiring hole; a lead is inserted into the wiring hole, and the lead and the wiring hole are welded after being pressed and connected; the other end of the wire connected with each live ring is led out from the top of the outer tube after penetrating out of the threading hole of the respective fan-shaped insulating plate.
In the sealing and insulating device for the underground large-current female connector, the fan-shaped insulating plate is provided with a wiring groove at a position corresponding to the connecting lug, and insulating glue is injected into the wiring groove.
In the sealing and insulating device for the underground high-current female connector, the top end of the fan-shaped insulating plate is connected with the upper body through a group of screws, and the bottom end of the fan-shaped insulating plate is connected with the lower body through a group of screws.
In the sealing and insulating device for the underground large-current female joint, the charged ring is connected with the sealing and insulating ring in a sealing manner through the trapezoidal ring groove.
In the sealing and insulating device for the underground high-current female connector, the top end of the outer pipe is connected with the upper body through a group of hanging nails, the bottom end of the outer pipe is in threaded connection with the conical head, and the upper end of the conical head is inserted into the lower body.
In the sealing and insulating device for the underground large-current female joint, sealing rings are arranged at the joint of the outer pipe and the upper body and the joint of the conical head and the lower body.
Due to the adoption of the technical scheme, compared with the prior art, the utility model adopts the structure that a plurality of fan-shaped insulating plates are spliced into a cylinder, thereby improving the machinability, the installation operability and the reliability of the product; the fan-shaped insulating plate is made of high-strength insulating materials so as to ensure the sealing strength of grooves on two sides of the charged ring; and ensure the insulativity between the charged ring and the outer tube and between the conducting wire and the outer tube; the insulation performance of joints and other key positions is further improved by adopting a mode of encapsulating insulating glue; the outer pipe adopts the peg to be connected with last body, has cancelled original threaded connection structure, can reduce outer pipe wall thickness by a wide margin, leaves sufficient space for fan-shaped insulation board. The utility model discloses the relevant structure of technology such as wet-type butt joint in the pit to instrument power supply in the pit is used to the specially adapted.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic sectional view A-A of FIG. 1;
FIG. 3 is a schematic cross-sectional view B-B of FIG. 1;
FIG. 4 is a schematic cross-sectional view of C-C of FIG. 1;
FIG. 5 is a schematic cross-sectional view taken along line D-D of FIG. 1;
FIG. 6 is a schematic cross-sectional view E-E of FIG. 1;
FIG. 7 is an enlarged view of a portion F of FIG. 1;
FIG. 8 is a three-dimensional schematic view of the present invention with the outer tube and a sector insulator plate removed;
fig. 9 is a schematic view of the connection between the live loop and the lead according to the present invention;
fig. 10 is a schematic view of the present invention with the live ring and the seal insulator ring spaced apart;
FIG. 11 is a schematic structural view of the sector insulating plate of the present invention;
fig. 12 is a schematic external view of the outer tube of the present invention.
The labels in the figures are: the cable comprises an outer tube 1, a charged ring 2, a sealed insulating ring 3, a connecting lug 4, a wiring hole 5, a lead 6, a sector insulating plate 7, a threading hole 8, a wiring groove 9, an insulating glue 10, a screw 11, an upper body 12, a lower body 13, a trapezoidal ring groove 14, a hanging nail 15, a cone head 16, a sealing ring 17, a screw hole 18 and a hanging nail hole 19.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The utility model discloses a sealing and insulating device for an underground heavy current female joint, as shown in figures 1-12, which comprises an outer tube 1, wherein a group of charged rings 2 are axially and uniformly distributed in the outer tube 1, and the upper end and the lower end of each charged ring 2 are respectively provided with a sealing and insulating ring 3; one side of each charged ring 2 is provided with a connecting lug 4, and the connecting lugs 4 on one group of charged rings 2 are arranged in a triangle; each connecting lug 4 is provided with a wiring hole 5; a lead 6 is inserted into the wiring hole 5, and the lead 6 and the wiring hole 5 are welded after being pressed; the other end of the lead 6 connected with each charged ring 2 is led out from the top of the outer tube 1 after penetrating out of the threading hole 8 of the sector insulating plate 7. The fan-shaped insulating plate 7 is provided with a wiring groove 9 at a position corresponding to the connecting lug 4, and insulating glue 10 is injected into the wiring groove 9. The top end of the fan-shaped insulating plate 7 is connected with the upper body 12 through a group of screws 11, and the bottom end of the fan-shaped insulating plate 7 is connected with the lower body 13 through a group of screws 11. The charged ring 2 and the sealing insulating ring 3 are connected in a sealing way through a trapezoidal ring groove 14. The top end of the outer tube 1 is connected with the upper body 12 through a group of hanging nails 15, the bottom end of the outer tube 1 is in threaded connection with a conical head 16, and the upper end of the conical head 16 is inserted into the lower body 13; sealing rings 17 are arranged at the joint of the outer pipe 1 and the upper body 12 and the joint of the conical head 16 and the lower body 13.
Examples
The present invention will be described in detail with reference to a sealing and insulating device for a large current female terminal, which connects three lead wires, as shown in fig. 1 to 12, for example.
In the embodiment, three charged rings 2 are adopted, the three charged rings 2 are uniformly distributed along the axial direction of the outer tube 1, two ends of each charged ring 2 are separated by a sealing insulating ring 3, and the sealing insulating rings 3 are arranged above the top charged ring 2 and below the bottom charged ring 2. The charged ring 2 with a metal structure and the sealing insulating ring 3 with a non-metal structure are pressed and connected into an integral sealing structure by adopting a trapezoidal ring groove 14. Each live wire ring 2 is provided with a connecting lug 4 used for being connected with a lead 6, the connecting lugs 4 on the three live wire rings 2 are arranged in a staggered mode, and the overlooking positions of the three connecting lugs 4 are of a triangular arrangement structure. The copper core of the lead 6 passes through the wiring hole 5 on the connecting lug 4 and is firstly pressed and then welded with the wiring hole 5 to ensure reliable connection. The three wires 6 respectively penetrate out of the top end of a threading hole 8 on the fan-shaped insulating plate 7. The fan-shaped insulating plate 7 is provided with a wiring groove 9, and the connecting lug 4 on one side of the electrified ring 2 is inserted into the wiring groove 9 and then connected with the connecting lug 4. And after connection, the wiring slot 9 is filled with insulating glue 10 to ensure insulation and stability at the joint. Three fan-shaped insulation boards 7 are synthesized to be cylindrical, screw holes 18 are arranged at the upper end and the lower end of each fan-shaped insulation board 7, the upper end of each synthesized cylindrical fan-shaped insulation board 7 is connected with the upper body 12 through screws 11, and the lower end of each synthesized cylindrical fan-shaped insulation board is connected with the lower body 13 through screws 11. The screw 11 is a countersunk head screw, and the screwed screw 11 is lower than the outer circle of the cylinder so as to conveniently install the outer tube 1. The lower extreme of outer tube 1 is equipped with the internal thread, and the conical head 16 upper end is equipped with the external screw thread, and conical head 16 upper end adopts threaded connection with outer tube 1 lower extreme, and the junction is equipped with a set of sealing washer 17. The lower end of the synthetic cylindrical fan-shaped insulating plate 7 is inserted from the upper end of the outer tube 1, and the peg hole 19 at the upper end of the outer tube 1 is connected with the upper body 12 by the peg 15.
When the wires are connected, the three wires 6 are sequentially stripped of insulating skins with corresponding lengths, one ends of the wires 6 penetrate through the middle hole of the upper body 12 and penetrate into the threading holes 8 on the three corresponding fan-shaped insulating plates 7 until the wires penetrate out of the corresponding wiring grooves 9 on the fan-shaped insulating plates 7; then three fan-shaped insulating plates 7 are synthesized into a cylinder shape, and the copper core of the lead 6 is reliably connected with the connecting lug 4 on the corresponding charged ring 2; after connection, insulating glue 10 is filled and sealed in the wiring groove 9; two ends of three fan-shaped insulating plates 7 are respectively fixedly connected with an upper body 12 and a lower body 13 through screws 11; finally, the outer tube 1 is sleeved and screwed with the hanging nail 15 and the conical head 16.
Owing to adopted above-mentioned technical scheme, this utility model patent has following characteristics:
1. the circumferential three-petal spliced insulation board greatly simplifies the whole sealing insulation structure, and improves the processability, installation operability and reliability of the whole structure;
2. the three fan-shaped insulating plates are made of high-strength materials, so that the sealing strength of grooves on two sides of the electrified ring is ensured;
3. the three fan-shaped insulating plates are made of non-metallic materials, so that the insulativity between the charged ring and the outer pipe and between the copper core and the outer pipe is ensured; insulating glue is filled and sealed in key positions, so that the insulativity is further improved;
4. the outer tube upper end uses the peg and goes up body coupling, has cancelled the original threaded connection structure in this department, reduces outer tube left side wall thickness by a wide margin, leaves sufficient space for the insulation board.
The utility model discloses a sealed insulation construction suitable for big current female joint in pit, the relevant structure of processes such as wet-type butt joint in specially adapted use in pit to instrument power supply in pit belongs to instrument structure technical field in the pit.
Claims (6)
1. The utility model provides a big current female joint in pit is with sealed insulator arrangement, includes outer tube (1), its characterized in that: a group of electrified rings (2) are uniformly distributed in the outer pipe (1) along the axial direction, and the upper end and the lower end of each electrified ring (2) are respectively provided with a sealing insulating ring (3); one side of each charged ring (2) is provided with a connecting lug (4), and the connecting lugs (4) on one group of charged rings (2) are arranged in a triangle; each connecting lug (4) is provided with a wiring hole (5); a lead (6) is inserted into the wiring hole (5), and the lead (6) and the wiring hole (5) are welded after being pressed and connected; the other end of the lead (6) connected with each charged ring (2) is respectively led out from the top of the outer tube (1) after penetrating out of the threading hole (8) of the respective fan-shaped insulating plate (7).
2. The sealing and insulating device for the downhole high-current female joint as claimed in claim 1, wherein: the fan-shaped insulating plate (7) is provided with a wiring groove (9) at a position corresponding to the connecting lug (4), and insulating glue (10) is injected into the wiring groove (9).
3. The sealing and insulating device for the downhole high-current female joint as claimed in claim 1, wherein: the top end of the fan-shaped insulating plate (7) is connected with the upper body (12) through a group of screws (11), and the bottom end of the fan-shaped insulating plate (7) is connected with the lower body (13) through a group of screws (11).
4. The sealing and insulating device for the downhole high-current female joint as claimed in claim 1, wherein: the charged ring (2) is connected with the sealing insulating ring (3) in a sealing way through a trapezoidal ring groove (14).
5. The sealing and insulating device for the downhole high-current female joint as claimed in claim 1, wherein: the top end of the outer tube (1) is connected with the upper body (12) through a group of hanging nails (15), the bottom end of the outer tube (1) is in threaded connection with the conical head (16), and the upper end of the conical head (16) is inserted into the lower body (13).
6. The sealing and insulating device for the downhole high-current female joint as claimed in claim 5, wherein: and sealing rings (17) are arranged at the joint of the outer pipe (1) and the upper body (12) and the joint of the conical head (16) and the lower body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891037.1U CN213602045U (en) | 2020-12-04 | 2020-12-04 | Sealing and insulating device for underground large-current female joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022891037.1U CN213602045U (en) | 2020-12-04 | 2020-12-04 | Sealing and insulating device for underground large-current female joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213602045U true CN213602045U (en) | 2021-07-02 |
Family
ID=76597966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022891037.1U Active CN213602045U (en) | 2020-12-04 | 2020-12-04 | Sealing and insulating device for underground large-current female joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213602045U (en) |
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2020
- 2020-12-04 CN CN202022891037.1U patent/CN213602045U/en active Active
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