CN211238567U - Lock ball type underground cable butt joint tool - Google Patents
Lock ball type underground cable butt joint tool Download PDFInfo
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- CN211238567U CN211238567U CN201922259223.0U CN201922259223U CN211238567U CN 211238567 U CN211238567 U CN 211238567U CN 201922259223 U CN201922259223 U CN 201922259223U CN 211238567 U CN211238567 U CN 211238567U
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Abstract
A locking ball type downhole cable butt joint tool. Relates to the technical field of cable connection for oil wells. The steel-copper cable core is inserted in the inner hole of the cable joint, the outer insulating sleeve and the connecting sleeve are arranged outside the cable joint, the connecting sleeve is in threaded connection with the lower locking sleeve, the inner hole of the lower locking sleeve is provided with an L-shaped annular groove, a plurality of steel balls are arranged in the L-shaped annular groove, the lower side of the lower locking sleeve is provided with an inner conical ring, and two sealing rings are arranged between the upper part of the lower locking sleeve and the cable sheath. The cable joint ensures the stability of the transmission current of the cable joint through the elastic contraction action of the clamp spring and the steel-copper tin-hanging material, the upper and lower inner conical rings form an integral tensile structure through the lower locking sleeve and the connecting sleeve, the tensile strength of the cable in butt joint is ensured, the lower locking sleeve seals the cable sheath through the sealing ring, and the steel-copper cable core is insulated from the outside by arranging the outer insulating sleeve, the inner insulating sleeve and the insulating gasket; when the upper locking sleeve is locked, the inner hole of the outer conical ring is reduced and clamped outside the cable sheath, so that the cable sheath is prevented from falling off.
Description
The technical field is as follows:
the utility model belongs to the technical field of the cable connection technique for the oil well and specifically relates to a locking ball formula cable butting tool in pit.
Background art:
the high-voltage-resistant cable joint for the oil well known in the field at present is divided into a cable terminal joint and a cable intermediate joint which are connected in a rivet connection, bolt fastening pressure plate connection or hook-shaped connection mode.
The utility model has the following contents:
in order to solve the problem, the utility model provides a lock ball formula cable butting tool in pit.
The technical scheme of the utility model is that: a locking ball type underground cable butt joint tool comprises a cable joint, steel-copper cable cores are inserted into inner holes on two sides of the cable joint, an outer insulating sleeve is arranged outside the cable joint, a connecting sleeve is arranged outside the outer insulating sleeve, and the components are symmetrically arranged in the length direction;
the utility model has the advantages that the whole structure is symmetrical, the structure of one side is described below, the structure of the other side is the same, the upper part of the connecting sleeve is in threaded connection with the lower locking sleeve, the inner hole of the lower locking sleeve is provided with an L-shaped ring groove, the inner circumferential direction of the L-shaped ring groove is provided with a plurality of steel balls, an insulating gasket is arranged between the steel balls and the L-shaped ring groove, an inner insulating sleeve is arranged between the inner hole of the L-shaped ring groove and the copper-steel cable core, the lower side of the steel ball is provided with an inner conical ring, the upper inner hole of the lower locking sleeve is in clearance fit connection with the cable sheath;
the upper part of the lower locking sleeve is provided with internal threads and is connected with the upper locking sleeve, and an outer conical ring is arranged in the upper locking sleeve;
the inner hole of the outer conical ring is in clearance fit connection with the cable sheath, and the inner hole of the inner conical ring is in clearance fit connection with the steel-copper cable core.
The cable joint's both sides hole, it has a plurality of cutting joints to open on the inner hole wall, the excircle surface of hole is opened has the annular, is equipped with the jump ring in the annular.
The cable joint is made of steel cylinder alloy material, and a tin metal coating is dissolved and hung on the surface of an inner hole of the cable joint.
The outer conical ring, the steel ball, the upper locking sleeve, the lower locking sleeve, the inner conical ring and the connecting sleeve are made of 1Cr18Ni9 Ti.
The utility model discloses following beneficial effect has: the cable joint guarantees the stability of the transmission current of the cable joint through the elastic contraction effect of the clamp spring and the contact material of the steel copper with tin, the two sides of the connecting sleeve are connected with the lower locking sleeve, the lower locking sleeve locks the inner conical ring, after locking, the inner hole of the inner conical ring becomes small and is clamped on the outer diameter of the steel copper cable core, the upper inner conical ring and the lower inner conical ring form an integral tensile structure through the lower locking sleeve and the connecting sleeve, the tensile strength of the cable in butt joint is guaranteed, meanwhile, the lower locking sleeve seals the cable sheath through two sealing rings, electric power accidents such as short circuit and the like caused by the entering of external liquid are prevented, an external insulating sleeve, an internal insulating sleeve and an insulating gasket are arranged, and the steel copper cable core is insulated from the; the upper locking sleeve is connected with the lower locking sleeve through threads, and when the upper locking sleeve is locked, the inner hole of the outer conical ring is reduced and clamped outside the cable sheath to prevent the cable sheath from falling off.
Description of the drawings:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a cable connector according to the present invention.
In the figure, 1-steel copper cable core, 2-cable sheath, 3-outer conical ring, 4-L-shaped annular groove, 5-insulating gasket, 6-steel ball, 7-outer insulating sleeve, 8-upper locking sleeve, 9-lower locking sleeve, 10-sealing ring, 11-inner insulating sleeve, 12-inner conical ring, 13-connecting sleeve, 14-snap spring, 15-cable connecting pipe, 16-cutting seam and 17-annular groove.
The specific implementation mode is as follows:
in the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1 and fig. 2, the locking ball type downhole cable butt-joint tool comprises a cable joint 15, steel-copper cable cores 1 are inserted into inner holes on two sides of the cable joint 15, an outer insulating sleeve 7 is arranged outside the cable joint 15, a connecting sleeve 13 is arranged outside the outer insulating sleeve 7, and the components are symmetrically arranged in the length direction;
the whole structure of the utility model is symmetrical arrangement, the structure of one side is described below, the structure of the other side is the same, the upper part of the connecting sleeve 13 is in threaded connection with the lower locking sleeve 9, the inner hole of the lower locking sleeve 9 is provided with an L-shaped annular groove 4, the circumferential direction in the L-shaped annular groove 4 is provided with a plurality of steel balls 6, an insulating gasket 5 is arranged between the steel balls 6 and the L-shaped annular groove 4, an inner insulating sleeve 11 is arranged between the inner hole of the L-shaped annular groove 4 and the steel copper cable core 1, the lower side of the steel ball 6 is provided with an inner conical ring 12, the upper inner hole of the lower locking sleeve 9 is in clearance fit connection with the cable sheath 2, and the upper inner hole;
the upper part of the lower locking sleeve 9 is provided with internal threads and is connected with an upper locking sleeve 8, and an outer conical ring 3 is arranged in the upper locking sleeve 8;
the inner hole of the outer conical ring 3 is in clearance fit connection with the cable sheath 2, and the inner conical ring 12 is in clearance fit connection with the steel-copper cable core 1.
The cable joint 15 both sides hole, it has a plurality of cutting joints 16 to open on the inner hole wall, the excircle surface of hole is opened has annular 17, is equipped with jump ring 14 in the annular 17.
The cable joint 15 is made of a steel cylinder alloy material, a tin metal coating is dissolved and hung on the surface of an inner hole of the steel cylinder alloy material, two steel copper cables are respectively inserted into the cable joint from two sides, and the stability of the cable joint for transmitting current is ensured through the elastic shrinkage effect of the clamp spring and the contact material of the steel copper tin.
The outer conical ring 3, the steel ball 6, the upper locking sleeve 8, the lower locking sleeve 9, the inner conical ring 12 and the connecting sleeve 13 are made of 1Cr18Ni9Ti so as to adapt to the underground high-temperature and high-pressure performance and improve the acid and alkali resistance.
Two sides of the connecting sleeve 13 are connected with a lower locking sleeve 9, the lower locking sleeve 9 locks the inner conical ring 12, after locking, the inner hole of the inner conical ring 12 becomes small and is clamped on the outer diameter of the steel-copper cable core 1, the upper inner conical ring 12 and the lower inner conical ring 12 form an integral tensile structure through the lower locking sleeve 9 and the connecting sleeve 13, the tensile strength of the cables in butt joint is ensured, meanwhile, the lower locking sleeve 9 seals a cable sheath through two sealing rings 10, and electric power accidents such as short circuit and the like caused by external liquid entering are prevented, and the steel-copper cable core 1 is insulated from the outside by arranging an outer insulating sleeve 7, an inner insulating sleeve 11 and an insulating gasket 5; go up locking collar 8 and pass through locking collar 9 under the threaded connection, during locking, 3 holes of outer toper ring diminish, block in cable sheath 2 outsides, prevent that cable sheath 2 from droing.
Claims (4)
1. A locking ball type downhole cable butt joint tool comprising a cable joint (15), characterized in that: steel-copper cable cores (1) are inserted into inner holes on two sides of a cable joint (15), an outer insulating sleeve (7) is arranged outside the cable joint (15), a connecting sleeve (13) is arranged outside the outer insulating sleeve (7), and the components are symmetrically arranged in the length direction;
the integral structure of the locking ball type underground cable butt joint tool is symmetrically arranged, the structure of one side is described below, the structure of the other side is the same, the upper portion of a connecting sleeve (13) is in threaded connection with a lower locking sleeve (9), an L-shaped annular groove (4) is formed in an inner hole of the lower locking sleeve (9), a plurality of steel balls (6) are arranged in the inner circumferential direction of the L-shaped annular groove (4), an insulating gasket (5) is arranged between the steel balls (6) and the L-shaped annular groove (4), an inner insulating sleeve (11) is arranged between the inner hole of the L-shaped annular groove (4) and a steel-copper cable core (1), an inner conical ring (12) is arranged on the lower side of each steel ball (6), the upper portion inner hole of the lower locking sleeve (9) is in clearance fit connection with a cable sheath (2), and two sealing rings (10;
the upper part of the lower locking sleeve (9) is provided with internal threads and is connected with an upper locking sleeve (8), and an outer conical ring (3) is arranged in the upper locking sleeve (8);
the inner hole of the outer conical ring (3) is in clearance fit connection with the cable sheath (2), and the inner conical ring (12) is in clearance fit connection with the steel-copper cable core (1).
2. A lock ball down hole wireline docking tool according to claim 1, wherein: inner holes on two sides of the cable joint (15) are provided with a plurality of cutting seams (16) on the inner hole wall, the excircle surface of the inner hole is provided with an annular groove (17), and a clamp spring (14) is arranged in the annular groove (17).
3. A lock ball down hole wireline docking tool according to claim 1, wherein: the cable joint (15) is made of a steel cylinder alloy material, and a tin metal coating is dissolved and hung on the surface of an inner hole of the cable joint.
4. A lock ball down hole wireline docking tool according to claim 1, wherein: the outer conical ring (3), the steel ball (6), the upper locking sleeve (8), the lower locking sleeve (9), the inner conical ring (12) and the connecting sleeve (13) are made of 1Cr18Ni9 Ti.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259223.0U CN211238567U (en) | 2019-12-16 | 2019-12-16 | Lock ball type underground cable butt joint tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922259223.0U CN211238567U (en) | 2019-12-16 | 2019-12-16 | Lock ball type underground cable butt joint tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211238567U true CN211238567U (en) | 2020-08-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922259223.0U Active CN211238567U (en) | 2019-12-16 | 2019-12-16 | Lock ball type underground cable butt joint tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211238567U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969548A (en) * | 2020-08-24 | 2020-11-20 | 浙江百汇电气有限公司 | Cable joint protection component structure |
| CN113161978A (en) * | 2020-11-16 | 2021-07-23 | 郑芬 | Underwater fastening sealing cable connection structure |
-
2019
- 2019-12-16 CN CN201922259223.0U patent/CN211238567U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111969548A (en) * | 2020-08-24 | 2020-11-20 | 浙江百汇电气有限公司 | Cable joint protection component structure |
| CN113161978A (en) * | 2020-11-16 | 2021-07-23 | 郑芬 | Underwater fastening sealing cable connection structure |
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