CN218118029U - Throwing-fishing type submersible electric screw driving device - Google Patents

Abstract

The application discloses formula of salvaging dives electric screw drive device relates to oil production equipment technical field, including salvaging formula cable subassembly, protect wire cover and diving oily subassembly, salvaging formula cable subassembly include first casing and set up in first casing is inside to be used for the electricity to connect salvage formula cable subassembly with diving oily subassembly's lower clutch, diving oily subassembly is connected with draws and connects the cable, salvaging formula cable subassembly and being equipped with and drawing the wire, draw and connect the cable part to peel off and expose the wire and form and draw and connect the section, draw the wire with it connects to draw and connect the section, protect wire cover locates the lower extreme of first casing, just protect wire cover is located draw connect the section with draw the outside of wire, the lower extreme of protect wire cover is equipped with the support ring, the support ring is equipped with the breach along the circumferencial direction. The utility model provides a throw and drag for formula oily electric screw drive device of diving can effectively solve the problem of insulation failure and sealed inefficacy.

Description

Throwing-fishing type submersible electric screw driving device

Technical Field

The utility model relates to an oil production equipment technical field especially relates to a formula of salvaging dives electric screw drive.

Background

The throwing and fishing type submersible electric screw driving device uses a leading cable and a throwing and fishing type cable device, in the process of putting the unit down, the leading cable is in butt joint with a lower joint of the throwing and fishing type cable device, then an oil pipe is installed, and when the unit and the whole part of the oil pipe are put into a well, an upper joint of the throwing and fishing type cable device is put into the well from the oil pipe on the ground and is in butt joint with the lower joint. However, the prior throwing-fishing type submersible electric screw driving device has the following problems: (1) When the leading cable is butted with the lower joint, the leading section of the leading cable is required to be shaped and then sunk into the reducing position of the lower joint, and as part of the conducting wires are directly exposed outside, the leading cable is easy to scrape and wear with a petroleum casing pipe under the condition of going down a well, lifting the well or a position with larger dog-leg degree, so that the insulation failure is caused, the service life of the cable is short, and meanwhile, the operation of lifting the well and then going down the well is required, so that the cost is high; (2) The butt joint position of two cables is difficult to keep in a straight line, and the large-angle circumferential direction shaping butt joint is needed, so that the problems of difficult shaping process and shaping damage of the wire harness are caused, and further insulation failure is caused; (3) The sealing position of the leading-out wire of the lower joint is sealed by the V-shaped combined ring, and the V-shaped combined ring is made of fluororubber and the insulating layer of the outer layer of the leading-out wire has compressibility, so that in an underground high-pressure environment, pressure difference exists between the inside and the outside of the lower joint, and the problems of insulation failure, sealing failure and even pipe leakage can be caused.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above-mentioned problem, a can effectively solve the oily electric screw drive device of diving of formula of salvaging of insulation failure and sealed inefficacy is proposed.

The utility model discloses the technical scheme who takes as follows: the utility model provides a formula of salvaging dives electric screw drive arrangement, including salvaging formula cable subassembly, the protect wire cover and the subassembly of diving, salvaging formula cable subassembly includes first casing and sets up in the inside lower clutch who is used for the electricity to connect and salvages formula cable subassembly and the subassembly of diving in first casing, the subassembly of diving is connected with draws and connects the cable, salvaging formula cable subassembly is equipped with the lead wire, draw and connect some of cable and peel off and expose the wire and form and draw and connect the section, draw the wire and draw and connect the section and connect, the lower extreme of first casing is located to the protect wire cover, and the protect wire cover is located and draws and connect the section and draw the outside of wire, the lower extreme of protect wire cover is equipped with the support ring, the support ring is equipped with the breach along the circumferencial direction.

The outer sides of the leading-out lead and the leading-in section are provided with wire protecting covers, so that the connecting lead between the fishing type cable assembly and the submersible assembly can be prevented from being directly exposed outside. The supporting ring is provided with the notch, the position of the notch can be adjusted to be consistent with the position of the leading cable during installation, so that the leading cable can be directly connected with a leading-out wire without circumferential shaping, the problems that the existing wire harness shaping process is difficult and shaping is damaged are solved, and the condition of insulation failure is avoided.

Optionally, the retrievable cable assembly is connected to a connecting wire, and the lower connector is provided with a plug connecting the connecting wire and the lead-out wire. The two ends of the plug-resistant are provided with conductors made of red copper materials, the plug-resistant is connected with the lead-out wires and the connecting wires through the red copper conductors in a crimping mode respectively, and then the sealing rubber strips are wound.

Optionally, the plug-resistant connector comprises a metal shell and a conductor arranged in the metal shell, the conductor is communicated with the lead-out wire and the connecting wire, and an insulating layer is arranged between the conductor and the metal shell.

The plug is made of metal shell, the lead-out wire and the connecting wire are butt jointed by conductor inside the plug, and the conductor and the metal shell are separated by insulating layer. Specifically, the metal shell is made of aluminum bronze with high strength and hardness and good corrosion resistance; the conductor adopts red copper, so that the conductivity is excellent; adopt injection moulding process between conductor and the metal casing to pour into insulating material peek into and form the insulating layer between conductor and the metal casing, closely laminate between conductor, insulating layer, the metal casing, make resistant plug can bear the high pressure environment in the pit, cross the sealed department of line and can not be because the compression of wire insulating layer, produce the gap and lead to the pipe to leak the problem.

Optionally, the lower joint is provided with a protective coil for protecting the lead, so that friction damage of the lead-out section of the lead-out lead when the lead-out lead penetrates out of the lower joint can be prevented, and the lead is prevented from being damaged in the shaping process.

Optionally, the outer wall of the support ring is provided with a first limiting boss, the first limiting boss abuts against the lower end of the wire protection cover, and the mounting structure of the support ring on the wire protection cover is more stable.

Furthermore, the support ring and the wire protecting cover are fastened and connected through bolts, so that the support ring is prevented from shaking due to a gap between the support ring and an oil pipe in the submersible oil assembly.

Optionally, the lower joint is provided with a second limit boss, and the second limit boss abuts against the upper end of the wire protecting cover so as to position the wire protecting cover when being installed on the lower joint.

Optionally, the wire protecting cover comprises two cover units, and the two cover units are fixedly connected with the lower joint through bolts. Specifically, the wire protecting cover can be in two halves, namely two cover body units are arranged, the supporting ring can be sleeved into the wires in advance during installation, the wires are connected in a butt joint mode, then the two cover body units are installed on the lower connector in a butt joint mode, the supporting ring and the wire protecting cover are installed in a fastening mode, and installation and adjustment of the wire protecting cover are facilitated.

The utility model has the advantages that: (1) The conducting wire between the fishing type cable component and the submersible component is covered by the wire protecting cover, so that the conducting wire can be prevented from being directly exposed outside, and the problem caused by abrasion of the conducting wire can be effectively prevented. And adopt the two halves formula wire guard cover, make things convenient for the installation of wire guard cover.

(2) Through pipe threaded connection between lower clutch and the oily subassembly of diving, the relative position that draws and connects the cable and draw forth the wire butt joint can't be in a straight line, sets up the support ring wire passing channel that has the breach, has solved the difficult and plastic damage problem of pencil plastic.

(3) The lower connector outlet sealing part adopts a plug which can bear high temperature and high pressure, so that the problem of sealing failure is solved.

Drawings

Fig. 1 is a schematic structural diagram of a throwing-fishing type submersible electric screw driving device according to an embodiment of the present invention;

fig. 2 is another schematic structural diagram of the salvaging submersible electric screw driving device of the embodiment of the invention;

fig. 3 is a schematic view of an internal structure of the salvaging submersible electric screw driving device according to the embodiment of the present invention;

fig. 4 is another schematic internal structure diagram of the salvaging submersible electric screw driving device of the embodiment of the invention;

fig. 5 is a schematic structural view of a support ring according to an embodiment of the present invention;

fig. 6 is a schematic cross-sectional view of a plug-resistant according to an embodiment of the present invention.

The figures are numbered: 1. a bailing cable assembly; 2. a wire protecting cover; 3. a submersible component; 11. a first housing; 12. a lower joint; 13. a leading section; 14. leading out a lead; 15. plug resistance; 16. a protective coil; 17. connecting a lead; 4. leading and connecting a cable; 5. a support ring; 51. a notch; 52. a first limit boss; 151. a metal housing; 152. a conductor; 153. an insulating layer; 121. and a second limit boss.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying drawings, in which embodiments of the invention are shown.

Referring to fig. 1-6, the present invention provides a salvaging submersible electric screw driving device, which comprises a salvaging cable assembly 1, a wire protecting cover 2 and a submersible assembly 3. The salvage type cable assembly 1 comprises a first shell 11 and a lower connector 12, wherein the lower connector 12 is connected with the first shell 11 through threads. The submersible component 3 is connected with a leading cable 4, the throwing and fishing type cable component 1 is provided with a leading wire 14, the leading cable 4 is partially stripped to expose the leading wire to form a leading section 13, and the leading wire 14 is connected with the leading section 13. The wire protecting cover 2 is arranged at the lower end of the first shell 11, and the wire protecting cover 2 covers the outer sides of the lead-out wire 14 and the lead-in section 13, so that the lead-out wire 14 and the lead-in section 13 can be prevented from being directly exposed outside. The lower extreme of wire casing 2 is equipped with support ring 5, and support ring 5 is equipped with breach 51 along the circumferencial direction, can adjust the position of breach 51 and draw the position of connecing cable 4 unanimously during the installation to guarantee to draw and connect cable 4 and need not carry out the circumferencial direction plastic just can directly be connected with leading-out wire 14, solved the difficult and plastic problem of damage of current wire pencil plastic technology. The wire protecting cover 2 comprises two cover body units which are connected with the lower joint through bolt fastening.

The fishing type cable component 1 is connected with a connecting wire 17, and the lower joint 12 is provided with a plug 15 which is connected with a leading-out wire 14 and the connecting wire 17. The plug-resistant 15 comprises a metal shell 151 made of aluminum bronze and a red copper serving as a conductor 152, an insulating layer 153 made of peek is formed between the conductor 152 and the metal shell 151 through an injection molding process, the conductor made of the red copper extends out of the surface of the plug-resistant 15 and is respectively connected with a lead-out wire 14 and a connecting wire 17, and then a sealing rubber strip is wound. The conductor 152, the insulating layer 153 and the metal shell 151 are tightly attached to each other, so that the plug 15 can bear the underground high-pressure environment, and the problem of pipe leakage caused by gaps at the wire passing sealing position due to compression of the wire insulating layer 153 is solved.

The wire outlet of the lower joint 12 is provided with a protective coil 16 for protecting the wire, so that the friction damage of the leading-in section 13 when the leading-out section penetrates out of the lower joint 12 can be prevented, and the wire is prevented from being damaged in the shaping process.

The outer wall of support ring 5 is equipped with first spacing boss 52, and first spacing boss 52 offsets with the lower extreme of protecting wire cover 2, and the mounting structure of support ring 5 on protecting wire cover 2 is more stable. The support ring 5 and the wire protecting cover 2 are fastened and connected through bolts, so that the support ring 5 is prevented from shaking due to a gap between the support ring and an oil pipe in the oil-submersible component 3.

The lower joint 12 is provided with a second limit boss 121, and the second limit boss 121 abuts against the upper end of the wire protecting cover 2, so that the wire protecting cover 2 and the lower joint 12 can be positioned when being installed.

The above is only the preferred embodiment of the present invention, and not the patent protection scope of the present invention is limited thereby, all the equivalent structure changes made by the contents of the specification and the drawings of the present invention can be directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.

Claims (8)

1. The utility model provides a formula of salvaging dives electric screw drive, its characterized in that, includes the formula of salvaging cable subassembly, wire protecting cover and dives the subassembly, the formula of salvaging cable subassembly include first casing and set up in first casing is inside to be used for the electricity to be connected the formula of salvaging cable subassembly with the lower clutch of subassembly of diving, it is connected with and draws and connects the cable to dive the subassembly, the formula of salvaging cable subassembly is equipped with the lead wire, the part that draws and connects the cable is peeled off and is exposed the wire and form and draw and connect the section, draw the wire with it connects to draw and connect the section, the wire protecting cover is located the lower extreme of first casing, just the wire protecting cover is located draw connect the section with the outside of drawing the wire, the lower extreme of wire protecting cover is equipped with the support ring, the support ring is equipped with the breach along the circumferencial direction.

2. The submersible electric screw driving device according to claim 1, wherein the retrievable cable assembly is connected to a connecting wire, and the lower connector is provided with a plug for connecting the connecting wire and the lead-out wire.

3. The submersible electric screw driving device according to claim 2, wherein the plug comprises a metal housing and a conductor disposed in the metal housing, the conductor is connected to the lead-out wire and the connection wire, and an insulating layer is disposed between the conductor and the metal housing.

4. The submersible electric screw driver of claim 3 where the lower connector is provided with a protective coil to protect the wire.

5. The submersible electric screw driver according to any of claims 1 to 4, characterized in that the outer wall of the support ring is provided with a first limit boss which abuts against the lower end of the wire guard.

6. The submersible electric screw drive of claim 5 where the support ring and the wire shroud are bolted together.

7. The submersible electric screw driving device according to claim 5, wherein the lower joint is provided with a second limit boss which abuts against the upper end of the wire guard.

8. The device for driving submersible electric screw according to claim 6 or 7, characterized in that the wire protecting cover comprises two cover units, and the two cover units are fastened with the lower joint through bolts.

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