CN212210471U - Three-core integrated oil well heating cable head end assembly - Google Patents
Three-core integrated oil well heating cable head end assembly Download PDFInfo
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- CN212210471U CN212210471U CN202020431139.2U CN202020431139U CN212210471U CN 212210471 U CN212210471 U CN 212210471U CN 202020431139 U CN202020431139 U CN 202020431139U CN 212210471 U CN212210471 U CN 212210471U
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- heating cable
- cable
- power cable
- oil well
- shaping
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Abstract
The utility model discloses a three-core integration oil well heating cable head end subassembly, including heating cable and power cable, still include pipy terminal box, terminal box one end shaping has the heating cable through wires hole, and other end shaping has the power cable through wires hole, the outside shaping of heating cable through wires hole has outer threaded pipe, the shaping has the external screw thread on the outer disc wall of power cable through wires hole, the beneficial effects of the utility model reside in that: the structure through this application makes heating cable and power cable's sinle silk junction completely cut off medium such as fluid and oil gas in the oil well, has solved heating cable at the electrical connection and the explosion-proof problem of well head section.
Description
The technical field is as follows:
the utility model relates to a heating cable field specifically is a three-core integration oil well heating cable head end subassembly.
Background art:
heating cables are widely applied in the process of oil exploitation, and due to the particularity of use occasions, an oil well area belongs to a flammable and explosive area, so that the problems of electrical connection and explosion prevention of the heating cables and power cables are particularly important.
The utility model has the following contents:
the utility model aims at providing a three-core integration oil well heating cable head end subassembly in order to solve current problem.
The technical solution of the utility model is as follows:
a three-core integrated oil well heating cable head end assembly comprises a heating cable, a power cable and a tubular junction box, one end of the junction box is provided with a heating cable threading hole, the other end is provided with a power cable threading hole, an external thread pipe is formed on the outer side of the heating cable threading hole, external threads are formed on the outer circular wall of the power cable threading hole, a sealing cup for accommodating the heating cable to pass through is inserted and sleeved in the heating cable threading hole, a locking nut is screwed on the external thread pipe, the external thread is matched and installed with a gland adapter, the outer side of the gland adapter is screwed with a stainless steel gland head, the power cable sequentially penetrates through the stainless steel gland head and the gland adapter and extends into the junction box, the wire cores of the heating cable and the power cable are connected to the inner cavity of the junction box through the crimping pipe, and epoxy resin is filled in the inner cavity of the junction box.
Preferably, the heating cable and the power cable each have three wire cores.
Preferably, a red copper compression ring sleeved on the heating cable is arranged in the locking nut, and the red copper compression ring is attached to the outer end face of the external threaded pipe and the inner end face of the locking nut respectively.
Preferably, a distributing plate is fixed in an inner hole at the inner side end of the sealing cup, and 3 through holes are uniformly distributed on the distributing plate in the circumference.
The beneficial effects of the utility model reside in that: the structure through this application makes heating cable and power cable's sinle silk junction completely cut off medium such as fluid and oil gas in the oil well, has solved heating cable at the electrical connection and the explosion-proof problem of well head section.
Description of the drawings:
fig. 1 is a schematic cross-sectional view of the present invention;
fig. 2 is a schematic cross-sectional view of the junction box of the present invention;
in the drawings: 1. a heating cable; 2. a power cable; 3. a junction box; 4. heating cable threading holes; 5. a power cable threading hole; 6. an externally threaded tube; 7. sealing the cup; 8. a lock nut; 9. a Glan adapter; 10. stainless steel glan heads; 11. crimping the tube; 12. a red copper compression ring; 13. and a distributing board.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1-2, the three-core integrated oil well heating cable head end assembly comprises a heating cable 1 and a power cable 2, and further comprises a tubular junction box 3, wherein a heating cable through hole 4 is formed at one end of the junction box 3, a power cable through hole 5 is formed at the other end of the junction box, an external threaded pipe 6 is formed at the outer side of the heating cable through hole 4, an external thread is formed on the outer circular wall of the power cable through hole 5, a sealing cup 7 for accommodating the heating cable 1 to pass through is inserted in the heating cable through hole 4, a locking nut 8 is screwed on the external threaded pipe 6, a gland adapter 9 is installed on the external thread in a matching manner, a stainless steel gland head 10 is screwed on the outer side of the gland adapter 9, the power cable 2 sequentially passes through the stainless steel gland head 10 and the gland adapter 9 to extend into the junction box 3, and the wire cores of the heating cable 1 and the power cable 2 are connected with an inner cavity of, and epoxy resin is filled in the inner cavity of the junction box 3.
Specifically, the heating cable 1 and the power cable 2 each have three wire cores.
Specifically, a red copper compression ring 12 sleeved on the heating cable 1 is arranged in the lock nut 8, and the red copper compression ring 12 is respectively attached to the outer end face of the external threaded pipe 6 and the inner end face of the lock nut 8.
Specifically, a distributing plate 13 is fixed in an inner hole at the inner side end of the sealing cup 7, and 3 through holes are uniformly distributed on the distributing plate 13 in the circumference.
When the heating cable is installed, the sealing cup 7 is inserted into the heating cable threading hole 4, and the core of the heating cable 1 is inserted and sleeved in the sealing cup 7 and penetrates out of the branching plate 13; cup joint stainless steel glan head 10 and glan adapter 9 on power cable 2, earlier arrange the 3 inner chambers of terminal box in after the sinle silk of heating cable 1 and power cable 2 compresses tightly the connection through crimping pipe 11, screw lock nut 8, through 2 one ends of power cable with 3 inside epoxy resin that fill in of terminal box, glan adapter 9 screws on terminal box 3, screws stainless steel glan head 10 in the hole of glan adapter 9 again, accomplishes electrical connection.
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 modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (4)
1. The utility model provides a three-core integration oil well heating cable head end subassembly, includes heating cable and power cable, its characterized in that: still include pipy terminal box, terminal box one end shaping has the heating cable through wires hole, and the other end shaping has the power cable through wires hole, the outside shaping in heating cable through wires hole has external screw thread pipe, the shaping has the external screw thread on the outer circular wall in power cable through wires hole, the downthehole plug bush of heating cable through wires has the cup that seals that holds heating cable and pass, the spiro union has lock nut on the external screw thread pipe, the match installs the gland adapter on the external screw thread, gland adapter outside spiro union has stainless steel gland head, power cable passes stainless steel gland head and gland adapter in proper order and extends to the terminal box, and heating cable and power cable's sinle silk are connected in the terminal box inner chamber through the crimping pipe, fill epoxy in the inner chamber of terminal box.
2. The three-core integrated oil well heating cable head end assembly of claim 1, wherein: the heating cable and the power cable both have three wire cores.
3. The three-core integrated oil well heating cable head end assembly of claim 1, wherein: and a red copper compression ring sleeved on the heating cable is arranged in the locking nut, and the red copper compression ring is respectively attached to the outer end face of the external threaded pipe and the inner end face of the locking nut.
4. The three-core integrated oil well heating cable head end assembly of claim 1, wherein: and a wire distribution plate is fixed in an inner hole at the inner side end of the sealing cup, and 3 through holes are uniformly distributed on the circumference of the wire distribution plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020431139.2U CN212210471U (en) | 2020-03-30 | 2020-03-30 | Three-core integrated oil well heating cable head end assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020431139.2U CN212210471U (en) | 2020-03-30 | 2020-03-30 | Three-core integrated oil well heating cable head end assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212210471U true CN212210471U (en) | 2020-12-22 |
Family
ID=73824923
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020431139.2U Active CN212210471U (en) | 2020-03-30 | 2020-03-30 | Three-core integrated oil well heating cable head end assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212210471U (en) |
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2020
- 2020-03-30 CN CN202020431139.2U patent/CN212210471U/en active Active
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