CN116412246A - Sealing device for cable underwater test - Google Patents
Sealing device for cable underwater test Download PDFInfo
- Publication number
- CN116412246A CN116412246A CN202111626929.1A CN202111626929A CN116412246A CN 116412246 A CN116412246 A CN 116412246A CN 202111626929 A CN202111626929 A CN 202111626929A CN 116412246 A CN116412246 A CN 116412246A
- Authority
- CN
- China
- Prior art keywords
- hole
- sealing
- shaking column
- cable
- locking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 74
- 238000012360 testing method Methods 0.000 title claims abstract description 49
- 238000005299 abrasion Methods 0.000 claims description 10
- 238000000034 method Methods 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
- G01R31/58—Testing of lines, cables or conductors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The invention relates to the field of cable underwater testing, in particular to a sealing device for cable underwater testing, which comprises the following components: the connecting seat is axially provided with a connecting bulge at the center, and a through hole I is axially formed at the centers of the connecting bulge and the connecting seat; the bottom end of the shaking column is inserted into the first through hole, the shaking column is detachably and hermetically connected with the connecting protrusion, the second through hole is formed in the axial center of the shaking column, the second through hole is coaxial with the first through hole, and the bottom end of the shaking column and the bottom end of the connecting seat are positioned on the same plane; the locking cap is detachably and hermetically connected with the top end of the shaking column, and a through hole III is formed in the locking cap and coaxial with the through hole II. The invention adopts the sealing ring and the sealing ring, effectively solves the problems of loose sealing and stable connecting part when the cable is rotated and pulled under the double-layer sealing measure, and further realizes the test of the cable under the premise of ensuring the sealing and reduces the damage factors of test equipment.
Description
Technical Field
The invention relates to the field of cable underwater testing, in particular to a sealing device for cable underwater testing.
Background
The cable is used as an important medium for electric energy transmission, the quality of the cable needs to be strictly controlled, after the cable is produced, various tests such as high temperature, high pressure, low temperature, sealing and the like need to be carried out, for example, the tightness test is carried out under water, the test water depth is 3 to 10 meters, the test equipment is connected to land test equipment under water through the test cable, the test equipment rotates under water during the test, the test equipment rotates, the test cable can be pulled and twisted during the rotation, the connection part of the test cable and the test equipment leaks water if the connection part is not well sealed, water is led into the test equipment, an internal circuit board or other unsealed exposed copper electric wires are short-circuited, and therefore the test equipment is damaged and the cable test fails.
Disclosure of Invention
The application provides a be used for cable under water test sealing device, solved among the prior art, realized technical effect.
The technical problems solved by the invention can be realized by adopting the following technical scheme:
a seal for use in a cable subsea test, comprising:
the connecting seat is axially provided with a connecting bulge at the center, and a through hole I is axially formed at the centers of the connecting bulge and the connecting seat;
the bottom end of the shaking column is inserted into the first through hole, the shaking column is detachably and hermetically connected with the connecting protrusion, the second through hole is formed in the axial center of the shaking column, the second through hole is coaxial with the first through hole, and the bottom end of the shaking column and the bottom end of the connecting seat are positioned on the same plane;
the locking cap is detachably and hermetically connected with the top end of the shaking column, and a through hole III is formed in the locking cap and coaxial with the through hole II.
Further, the outer circumference of the shaking column is provided with an annular limiting plate, the outer edge of the limiting plate is provided with a limiting table, the outer circumference of the connecting seat is in threaded connection with a locking ring, the inner circumference of the locking ring is provided with a locking table, the lower surface of the locking table acts on the upper surface of the limiting table, and the lower surface of the limiting plate is in contact sealing with the upper surface of the connecting protrusion.
Further, the upper surface of the connecting protrusion is provided with a first sealing groove, a sealing ring is embedded in the first sealing groove, and the lower surface of the limiting plate acts on the sealing ring.
Further, a positioning groove is formed in the upper surface of the connecting protrusion, a positioning pin is formed in the lower surface of the limiting plate, and the positioning pin is inserted into the positioning groove.
Further, the inner surface of the top end of the shaking column is provided with an internal thread, and the locking cap is in sealing connection with the internal thread of the shaking column.
Further, the inner circumferential surface of the shaking column is positioned below the internal thread and is provided with a second sealing groove, a sealing ring is embedded in the second sealing groove, the bottom end of the locking cap is provided with a pressing protrusion, and the pressing protrusion acts on the sealing ring.
Further, the three top ends of the locking cap through hole are provided with anti-abrasion angles, and the radian of each anti-abrasion angle is larger than 7 degrees.
The beneficial effects of the invention are as follows: due to the adoption of the sealing ring and the sealing ring, the problems that the sealing is not tight and the connecting part is stable when the cable is rotated and pulled are effectively solved under the double-layer sealing measure, and further the cable is tested on the premise of ensuring the sealing, and the damage factor of test equipment is reduced.
Due to the adoption of the shaking column, the problem that the included angle between the test equipment and the cable is increased when the test equipment swings is effectively solved by increasing the fixed length of the cable, and further the problem that the cable and the test included angle are increased, the direct abrasion of the joint to the cable is reduced, the service life of the test cable is prolonged, and the detection precision is improved.
Due to the adoption of the limiting pin, the problem that the limiting plate and the locking ring fall off due to the radial force of the shaking column when the testing equipment drives the cable to rotate is effectively solved, and further the fact that the limiting plate is limited by the false force in the radial direction of the shaking column through the limiting pin is achieved, and the locking ring is prevented from falling off.
Due to the adoption of the anti-abrasion angle, the problem that the cable cannot be subjected to inaccurate test and the service life of the test cable caused by abrasion of the locking cap is solved effectively, and further the radian of cable bending is improved through the anti-abrasion angle.
Drawings
The invention will be further described with reference to the drawings and examples.
Fig. 1 is a schematic structural view of the present invention.
In the figure: 1-a connecting seat; 2-connecting protrusions; 3-shaking column; 4-a second through hole; 5-locking cap; 6, a limiting plate; 7-locking ring; 8-locking a platform; 9-a sealing ring; 10-pressing the bulge; 11-a sealing ring; 12-locating pins; 13-anti-wear angle.
Detailed Description
Example 1:
referring to fig. 1, there is a schematic structural view of embodiment 1 of the present invention, a sealing device for cable underwater test, comprising:
the connecting seat 1 is axially provided with a connecting bulge 2 at the center of the connecting seat 1, and a through hole I is axially formed between the connecting bulge 2 and the center of the connecting seat 1;
the shaking column 3 is inserted into the first through hole at the bottom end of the shaking column 3, the shaking column 3 is detachably and hermetically connected with the connecting protrusion 2, the second through hole 4 is formed in the axial center of the shaking column 3, the second through hole 4 is coaxial with the first through hole, and the bottom end of the shaking column 3 and the bottom end of the connecting seat 1 are located on the same plane;
the locking cap 5 is detachably and hermetically connected with the top end of the shaking column 3, and a through hole III is formed in the locking cap 5 and coaxial with the through hole II 4.
When in actual use, the method comprises the following steps: through connecting seat 1 and test drive end sealing connection, then with locking cap 5 and shake post 3 through-hole three and through-hole two 4 cover in proper order at cable outer circumference, then pass through-hole one and extend into test equipment to with test equipment electric connection, then will shake post and connecting protrusion 2 sealing connection, locking cap 5 and shake post 3 sealing connection simultaneously, extrude through locking cap 5 sealing position, with cable centre gripping in through-hole two 4, accomplish fixed seal, then carry out the cable test, after the test is accomplished, in proper order pull down locking cap and shake post 3 can.
Example 2:
referring to fig. 1, the present embodiment is different in that: the outer circumferential surface of the shaking column 3 is provided with an annular limiting plate 6, the outer edge of the limiting plate 6 is provided with a limiting table, the outer circumferential surface of the connecting seat 1 is in threaded connection with a locking ring 7, the inner circumferential surface of the locking ring 7 is provided with a locking table, the lower surface of the locking table 8 acts on the upper surface of the limiting table, and the lower surface of the limiting plate 6 is in contact sealing with the upper surface of the connecting protrusion 2.
When in actual use, the method comprises the following steps: the locking cap 5, the locking ring 7 and the shaking column 3 are sleeved on the cable in sequence, the shaking column 3 is inserted into the first through hole, the limiting plate 6 is in closed contact with the connecting protrusion 2, the limiting plate 6 is used for limiting the depth of the shaking column 3 inserted into the first through hole, then the locking ring 7 is pushed to the limiting plate 6, the locking ring 7 is meshed with the outer circumferential surface of the connecting protrusion 2, the locking ring 7 is continuously screwed in, the locking platform 8 is tightly pressed on the limiting platform, and therefore the limiting plate 6 is tightly pressed, and the limiting plate 6 is enabled to limit the shaking column 3 to move when the testing equipment works.
Example 3:
referring to fig. 1, the present embodiment is different in that: the upper surface of the connecting bulge 2 is provided with a first sealing groove, a sealing ring 9 is embedded in the first sealing groove, and the lower surface of the limiting plate 6 acts on the sealing ring 9.
When in actual use, the method comprises the following steps: limiting plate 6 is laminated with connecting protruding 2, receives catch 7 effect down, and the spacing platform is compressed tightly on connecting protruding 2, and limiting plate 6 is used in on sealing ring 9 simultaneously to realize the gap between limiting plate 6 and the connecting protruding 2, thereby guarantee tight sealed effect.
In the embodiment, a pair of sealing grooves are formed in one sealing groove, and a sealing ring 9 is embedded in one sealing groove, so that the sealing effect is improved.
Example 4:
referring to fig. 1, the present embodiment is different in that: the upper surface of the connecting bulge 2 is provided with a positioning groove, the lower surface of the limiting plate 6 is provided with a positioning pin 12, and the positioning pin is inserted into the positioning groove.
When in actual use, the method comprises the following steps: the limiting plate 6 is attached to the connecting protrusion 2, so that the positioning pin 12 is inserted into the positioning groove, and the limiting plate 6 is limited to rotate through the positioning pin 12 during testing, so that the locking ring 7 is prevented from being loosened by torsion factors, and the problem of poor sealing during testing is prevented.
Example 5:
referring to fig. 1, the present embodiment is different in that: the inner surface of the top end of the shaking column 3 is provided with an internal thread, and the locking cap 5 is in sealing connection with the internal thread of the shaking column 3.
When in actual use, the method comprises the following steps: the locking cap 5 is in threaded connection with the shaking column 3 through internal threads, and a cable is locked through screwing of the locking cap 5 during connection.
Example 6:
referring to fig. 1, the present embodiment is different in that: the inner circumferential surface of the shaking column 3 is positioned below the internal thread and is provided with a second sealing groove, a sealing ring 11 is embedded in the second sealing groove, the bottom end of the locking cap 5 is provided with a pressing protrusion 10, and the pressing protrusion 10 acts on the sealing ring 11.
When in actual use, the method comprises the following steps: when the locking cap 5 is locked, the sealing ring 11 is extruded by the pressing protrusion 10, the sealing ring 11 is pressed and limited by the second sealing groove, so that the sealing ring 11 extrudes the cable, and the cable is fixed and sealed.
In this embodiment, the sealing ring 11 in the second sealing groove may be multiple, and the cable is extruded and sealed by multiple sealing rings 11, so as to improve the sealing effect and stabilize the connection.
Example 7:
referring to fig. 1, the present embodiment is different in that: the three top ends of the through hole of the locking cap 5 are provided with anti-abrasion angles 13, and the radian of each anti-abrasion angle 13 is larger than 7 degrees.
When in actual use, the method comprises the following steps: wear of the locking cap 5 and the cable can be reduced by the anti-wear angle 13, thereby improving the life of the electrical cable.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the scope of the knowledge of those skilled in the art without departing from the spirit of the present invention, which is within the scope of the present invention.
Claims (7)
1. An underwater testing seal for cables, comprising:
the connecting seat (1), the connecting bulge (2) is axially arranged at the center of the connecting seat (1), and a through hole I is axially arranged at the centers of the connecting bulge (2) and the connecting seat (1);
the shaking column (3) is inserted into the first through hole at the bottom end of the shaking column (3), the shaking column (3) is detachably and hermetically connected with the connecting protrusion (2), the second through hole (4) is formed in the axial center of the shaking column (3), the second through hole (4) is coaxial with the first through hole, and the bottom end of the shaking column (3) and the bottom end of the connecting seat (1) are located on the same plane;
the locking cap (5) is detachably and hermetically connected with the top end of the shaking column (3), a through hole III is formed in the locking cap (5), and the through hole III is coaxial with the through hole II (4).
2. The underwater cable testing and sealing device according to claim 1 is characterized in that an annular limiting plate (6) is arranged on the outer circumferential surface of the shaking column (3), a limiting table is arranged on the outer edge of the limiting plate (6), a locking ring (7) is connected with the outer circumferential surface of the connecting seat (1) in a threaded mode, a locking table (8) is arranged on the inner circumferential surface of the locking ring (7), the lower surface of the locking table (8) acts on the upper surface of the limiting table, and the lower surface of the limiting plate (6) is in contact sealing with the upper surface of the connecting protrusion (2).
3. The underwater cable testing sealing device according to claim 2 is characterized in that a first sealing groove is formed in the upper surface of the connecting protrusion (2), a sealing ring (9) is embedded in the first sealing groove, and the lower surface of the limiting plate (6) acts on the sealing ring (9).
4. A sealing device for cable underwater test according to claim 3, wherein the upper surface of the connecting protrusion (2) is provided with a positioning groove, the lower surface of the limiting plate (6) is provided with a positioning pin (12), and the positioning pin is inserted into the positioning groove.
5. The underwater cable testing sealing device according to claim 1 is characterized in that the inner surface of the top end of the shaking column (3) is provided with an inner thread, and the locking cap (5) is in sealing connection with the inner thread of the shaking column (3).
6. The underwater cable testing and sealing device according to claim 5 is characterized in that a second sealing groove is formed in the inner circumferential surface of the shaking column (3) below the internal thread, a sealing ring (11) is embedded in the second sealing groove, a pressing protrusion (10) is formed in the bottom end of the locking cap (5), and the pressing protrusion (10) acts on the sealing ring (11).
7. The underwater cable testing sealing device according to claim 1 is characterized in that the three top ends of the through hole of the locking cap (5) are provided with anti-abrasion angles (13), and the radian of each anti-abrasion angle (13) is larger than 7 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626929.1A CN116412246A (en) | 2021-12-29 | 2021-12-29 | Sealing device for cable underwater test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111626929.1A CN116412246A (en) | 2021-12-29 | 2021-12-29 | Sealing device for cable underwater test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116412246A true CN116412246A (en) | 2023-07-11 |
Family
ID=87056386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111626929.1A Pending CN116412246A (en) | 2021-12-29 | 2021-12-29 | Sealing device for cable underwater test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116412246A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116328857A (en) * | 2023-02-16 | 2023-06-27 | 广州五所环境仪器有限公司 | Cable fixing device and environment test box |
-
2021
- 2021-12-29 CN CN202111626929.1A patent/CN116412246A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116328857A (en) * | 2023-02-16 | 2023-06-27 | 广州五所环境仪器有限公司 | Cable fixing device and environment test box |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20200335899A1 (en) | Shock and Vibration Resistant Bulkhead Connector with Pliable Contacts | |
| CN116412246A (en) | Sealing device for cable underwater test | |
| US7828573B2 (en) | Subsea electrical connector and method | |
| US6561268B2 (en) | Connector | |
| CN217003057U (en) | Sealing device for underwater cable test | |
| CN100342595C (en) | High-voltage isolating quick connector | |
| CN104023493B (en) | One electrical equipment wire via hole waterproof seal under water | |
| RU2484566C1 (en) | Sealed electric connector | |
| US4073559A (en) | Electrical connector for submersible oil well pump cables | |
| CN110244088A (en) | A kind of damping rotary connector | |
| EP3203588A1 (en) | Method of dry-mating a first connector part and a second connector part and connector assembly | |
| CN208539181U (en) | A kind of electric connector of high pressure differential | |
| CN108075330B (en) | Underwater wet-type electrical universal connector | |
| CN205622184U (en) | Seal assembly of pin hole | |
| CN108092061B (en) | Underwater wet-type electric universal connection method | |
| CN115693266A (en) | Underwater plugging electric connector with double redundant sealing structures | |
| CN108075329B (en) | Sealing structure of underwater wet type electric universal connector | |
| CN108039612B (en) | Underwater wet type electrical universal connector with self-locking structure | |
| CN109751041B (en) | Flexible logging instrument | |
| CN102185228A (en) | Test point adaptor for coaxial cable connections | |
| CN109931049B (en) | Rotation testing device and method for measurement while drilling probe | |
| CN114498163A (en) | Dynamic seal pressure compensation ROV operation underwater electric connector | |
| CN203934188U (en) | A kind of via hole of electrical appliance wires under water waterproof seal | |
| CN212323688U (en) | High-temperature-resistant high-pressure-resistant waterproof sensor structure | |
| CN109142815A (en) | Screening arrangement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication |