CN204559302U - A kind of cable sealing device of submersible pump - Google Patents
A kind of cable sealing device of submersible pump Download PDFInfo
- Publication number
- CN204559302U CN204559302U CN201520247124.XU CN201520247124U CN204559302U CN 204559302 U CN204559302 U CN 204559302U CN 201520247124 U CN201520247124 U CN 201520247124U CN 204559302 U CN204559302 U CN 204559302U
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- cable
- submersible pump
- terminal box
- submersible
- cable core
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Abstract
The utility model discloses a kind of cable sealing device of submersible pump, comprise cable, submersible pump terminal box, submersible motor lead-out wire, connector cover back panel wiring box bucket and submersible motor upper end cover, described cable comprises cable core and cable jacket, between cable core, be filled with a sealing between cable core and cable jacket thing, cable is through terminal box bucket and submersible pump terminal box, cable passes submersible pump terminal box end strip off cable core, strip off cable core place is provided with tin sealing, outer wall is provided with heat-shrinkable T bush, be welded to connect by copper sleeve between cable core and submersible motor lead-out wire, vulcanized rubber oversheath is provided with outside copper sleeve, the coated adhesive waterproof tape of vulcanized rubber oversheath outer wall, connector cover back panel wiring box bucket and submersible motor upper end cover junction are provided with packing washer from top to bottom successively, spring washer and sealing ring.The cable sealing device of submersible pump of the present utility model, integral sealing effect is good, effectively can completely cut off moisture and humid air, extends submersible motor useful life, convenient disassembly.
Description
Technical field
The utility model relates to submersible pump technical field, particularly relates to a kind of cable sealing device of submersible pump.
Background technology
At present, market analysis and statistics were carried out to early stage home and abroad well shaft type installation shaft, mixed flow immersible electric pump fault form, the fault finding that there is 70% appears at wearing and tearing and the seepage aspect of cable, and therefore the cable seal waterproof of submersible pump is the reliability factor directly affecting submersible motor.Cable seal problem has radial seal and axial seal, traditional submersible electric pump cable sealing, just at the terminal box place of submersible pump, by regulating hold-down bolt, carry out first compression with rubber ring, come to seal long cable section of ingoing line, this sealing effectiveness is poor, and the sealing of cable itself is also poor, easily occurs the damage of cable root, cause seal failure, cause the cable moisture absorption and water inlet and produce insulation and decline and motor burnout phenomenon.
Utility model content
The purpose of this utility model there is provided a kind of cable sealing device of submersible pump, not only cable itself has good apex seal performance, water or gas can not infiltrate cable inside from cable outer layer radial direction, and wiring place arranges multi-sealing structure, effectively prevent the gap seepage of cable connection junction, integral sealing effect of the present invention is good, effectively can completely cut off moisture and humid air, solve the problem that conventional seals easily lost efficacy, extend submersible motor useful life, in addition, convenient disassembly, just in case cable bad, replaceable cable, but motor cavity can not be caused to intake and jeopardize motor.
The technical solution adopted in the utility model is as follows:
A kind of cable sealing device of submersible pump, comprise cable, submersible pump terminal box, submersible motor lead-out wire, connector cover back panel wiring box bucket and submersible motor upper end cover, described cable comprises and is wrapped in cable core in insulating case and cable jacket, between described cable core, sealer is filled with between cable core and cable jacket, the upper end of described submersible pump terminal box has been bolted terminal box bucket, contact position between submersible pump terminal box and terminal box bucket is provided with gland packing box, described terminal box bucket is provided with cable pressing plate, described cable is through terminal box bucket and submersible pump terminal box, cable passes the end strip off cable core of submersible pump terminal box, the cable core place of strip off is provided with tin sealing, the outer wall at strip off cable core place is provided with heat-shrinkable T bush, be welded to connect by copper sleeve between described cable core and submersible motor lead-out wire, vulcanized rubber oversheath is provided with outside copper sleeve, vulcanized rubber oversheath outer wall is coated with adhesive waterproof tape, described submersible motor lead-out wire is successively through connector cover back panel wiring box bucket and submersible motor upper end cover, cast silicon rubber in the opening of connector cover back panel wiring box bucket upper end, described connector cover back panel wiring box bucket and submersible motor upper end cover junction are provided with packing washer from top to bottom successively, spring washer and sealing ring, described submersible motor lead-out wire is wrapped with vulcanized rubber sleeve pipe.
Described insulating case is ethylene propylene rubber insulated cover.
Described sealer is epoxy resin encapsulated.
Described gland packing box adopts soft V-type vacuum rubber sealing ring, and material is acrylonitrile-butadiene rubber or fluorubber.Strengthen sealing effectiveness.
The silicon rubber of casting in the opening of described connector cover back panel wiring box bucket upper end adopts silicon rubber A301.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) cable sealing device of submersible pump of the present utility model, not only cable itself has good apex seal performance, water or gas can not infiltrate cable inside from cable outer layer radial direction, and wiring place arranges multi-sealing structure, effectively prevent the gap seepage of cable connection junction, integral sealing effect of the present invention is good, effectively can completely cut off moisture and humid air, solve the problem that conventional seals easily lost efficacy, extend submersible motor useful life, in addition, convenient disassembly, just in case cable bad, replaceable cable, but motor cavity can not be caused to intake and jeopardize motor,
(2) cable sealing device of submersible pump of the present invention, be filled with a sealing thing between cable core, between cable core and cable jacket, eliminate the gap between the core of cable own, make cable itself have good apex seal performance, water or gas can not infiltrate cable inside from cable outer layer radial direction;
(3) cable sealing device of submersible pump of the present invention, arrange tin sealing by the cable core place in strip off, outer wall is provided with heat-shrinkable T bush; Be welded to connect by copper sleeve between cable core and submersible motor lead-out wire, outside copper sleeve, be provided with vulcanized rubber oversheath, the coated adhesive waterproof tape of vulcanized rubber oversheath outer wall; And set gradually packing washer, spring washer and sealing ring from top to bottom at connector cover back panel wiring box bucket and submersible motor upper end cover junction, effectively can prevent the gap seepage of cable connection junction, avoid the moisture absorption of junction and water inlet and the insulation decline produced and motor burnout phenomenon, greatly extend electrical machinery life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the enlarged drawing of the utility model cable core and submersible motor lead-out wire junction;
Fig. 3 is the utility model connector cover back panel wiring box bucket and submersible motor upper end cover junction enlarged drawing;
Fig. 4 is construction of cable schematic diagram of the present utility model.
Embodiment
See accompanying drawing, a kind of cable sealing device of submersible pump, comprise cable 1, submersible pump terminal box 2, submersible motor lead-out wire 3, connector cover back panel wiring box bucket 4 and submersible motor upper end cover 5, described cable 1 comprises and is wrapped in cable core 102 in insulating case 101 and cable jacket 103, described insulating case 101 is ethylene propylene rubber insulated cover, between described cable core 102, sealer 104 is filled with between cable core 102 and cable jacket 103, described sealer 104 is epoxy resin encapsulated, the upper end of described submersible pump terminal box 2 is connected with terminal box bucket 7 by bolt 6, contact position between submersible pump terminal box 2 and terminal box bucket 7 is provided with gland packing box 8, described gland packing box 8 adopts soft V-type vacuum rubber sealing ring, material is acrylonitrile-butadiene rubber or fluorubber, described terminal box bucket 7 is provided with cable pressing plate 9, described cable 1 is through terminal box bucket 7 and submersible pump terminal box 2, cable 1 passes the end strip off cable core 102 of submersible pump terminal box 2, cable core 102 place of strip off is provided with tin sealing 10, the outer wall at strip off cable core 102 place is provided with heat-shrinkable T bush 11, be welded to connect by copper sleeve 12 between described cable core 102 and submersible motor lead-out wire 3, vulcanized rubber oversheath 13 is provided with outside copper sleeve 12, vulcanized rubber oversheath 13 outer wall is coated with adhesive waterproof tape 14, described submersible motor lead-out wire 3 is successively through connector cover back panel wiring box bucket 4 and submersible motor upper end cover 5, cast silicon rubber 15 in the opening of connector cover back panel wiring box bucket 4 upper end, silicon rubber is silicon rubber A301, described connector cover back panel wiring box bucket 4 is provided with packing washer 16 from top to bottom successively with submersible motor upper end cover 5 junction, spring washer 17 and sealing ring 18, described submersible motor lead-out wire 3 is wrapped with vulcanized rubber sleeve pipe 19.The cable sealing device of submersible pump of the present utility model, not only cable itself has good apex seal performance, water or gas can not infiltrate cable inside from cable outer layer radial direction, and wiring place arranges multi-sealing structure, effectively prevent the gap seepage of cable connection junction, integral sealing effect of the present invention is good, effectively can completely cut off moisture and humid air, solve the problem that conventional seals easily lost efficacy, extend submersible motor useful life, in addition, convenient disassembly, just in case cable bad, replaceable cable, but motor cavity can not be caused to intake and jeopardize motor.
Claims (5)
1. the cable sealing device of a submersible pump, it is characterized in that: comprise cable, submersible pump terminal box, submersible motor lead-out wire, connector cover back panel wiring box bucket and submersible motor upper end cover, described cable comprises and is wrapped in cable core in insulating case and cable jacket, between described cable core, sealer is filled with between cable core and cable jacket, the upper end of described submersible pump terminal box has been bolted terminal box bucket, contact position between submersible pump terminal box and terminal box bucket is provided with gland packing box, described terminal box bucket is provided with cable pressing plate, described cable is through terminal box bucket and submersible pump terminal box, cable passes the end strip off cable core of submersible pump terminal box, the cable core place of strip off is provided with tin sealing, the outer wall at strip off cable core place is provided with heat-shrinkable T bush, be welded to connect by copper sleeve between described cable core and submersible motor lead-out wire, vulcanized rubber oversheath is provided with outside copper sleeve, vulcanized rubber oversheath outer wall is coated with adhesive waterproof tape, described submersible motor lead-out wire is successively through connector cover back panel wiring box bucket and submersible motor upper end cover, cast silicon rubber in the opening of connector cover back panel wiring box bucket upper end, described connector cover back panel wiring box bucket and submersible motor upper end cover junction are provided with packing washer from top to bottom successively, spring washer and sealing ring, described submersible motor lead-out wire is wrapped with vulcanized rubber sleeve pipe.
2. the cable sealing device of submersible pump according to claim 1, is characterized in that: described insulating case is ethylene propylene rubber insulated cover.
3. the cable sealing device of submersible pump according to claim 1, is characterized in that: described sealer is epoxy resin encapsulated.
4. the cable sealing device of submersible pump according to claim 1, is characterized in that: described gland packing box adopts soft V-type vacuum rubber sealing ring, and material is acrylonitrile-butadiene rubber or fluorubber.
5. the cable sealing device of submersible pump according to claim 1, is characterized in that: the silicon rubber of casting in the opening of described connector cover back panel wiring box bucket upper end adopts silicon rubber A301.
Priority Applications (1)
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CN201520247124.XU CN204559302U (en) | 2015-04-22 | 2015-04-22 | A kind of cable sealing device of submersible pump |
Applications Claiming Priority (1)
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CN201520247124.XU CN204559302U (en) | 2015-04-22 | 2015-04-22 | A kind of cable sealing device of submersible pump |
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CN204559302U true CN204559302U (en) | 2015-08-12 |
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CN201520247124.XU Active CN204559302U (en) | 2015-04-22 | 2015-04-22 | A kind of cable sealing device of submersible pump |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN108468677A (en) * | 2018-05-09 | 2018-08-31 | 中国水利水电夹江水工机械有限公司 | Hydraulic power unit under a kind of Combined water |
CN108964327A (en) * | 2018-09-07 | 2018-12-07 | 中山市胜洋电机有限公司 | A kind of waterproof stepper motor with magnetic coder |
CN109390081A (en) * | 2018-01-17 | 2019-02-26 | 圣安电缆有限公司 | A kind of photovoltaic DC common transmission cable and its manufacture installation method |
CN109713832A (en) * | 2019-01-21 | 2019-05-03 | 江苏长凯机械设备有限公司 | A kind of cable activity seal nipple for immersible pump |
CN110943563A (en) * | 2019-11-12 | 2020-03-31 | 徐州铭尊机电有限公司 | Motor housing sealing structure of electric tricycle |
CN112682346A (en) * | 2020-12-30 | 2021-04-20 | 福建福清核电有限公司 | Immersible pump cable inlet wire seal structure |
CN112737193A (en) * | 2020-12-30 | 2021-04-30 | 合肥恒大江海泵业股份有限公司 | Submersible cable transfer box |
CN113396461A (en) * | 2019-02-05 | 2021-09-14 | 3M创新有限公司 | Data and power cable suitable for dip cooling |
CN117240018A (en) * | 2023-11-14 | 2023-12-15 | 天津普友机电设备股份有限公司 | Joint process of stator winding wire and power cable of submersible motor |
-
2015
- 2015-04-22 CN CN201520247124.XU patent/CN204559302U/en active Active
Cited By (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109390081A (en) * | 2018-01-17 | 2019-02-26 | 圣安电缆有限公司 | A kind of photovoltaic DC common transmission cable and its manufacture installation method |
CN108468677A (en) * | 2018-05-09 | 2018-08-31 | 中国水利水电夹江水工机械有限公司 | Hydraulic power unit under a kind of Combined water |
CN108964327A (en) * | 2018-09-07 | 2018-12-07 | 中山市胜洋电机有限公司 | A kind of waterproof stepper motor with magnetic coder |
CN109713832A (en) * | 2019-01-21 | 2019-05-03 | 江苏长凯机械设备有限公司 | A kind of cable activity seal nipple for immersible pump |
CN113396461A (en) * | 2019-02-05 | 2021-09-14 | 3M创新有限公司 | Data and power cable suitable for dip cooling |
CN110943563A (en) * | 2019-11-12 | 2020-03-31 | 徐州铭尊机电有限公司 | Motor housing sealing structure of electric tricycle |
CN112682346A (en) * | 2020-12-30 | 2021-04-20 | 福建福清核电有限公司 | Immersible pump cable inlet wire seal structure |
CN112737193A (en) * | 2020-12-30 | 2021-04-30 | 合肥恒大江海泵业股份有限公司 | Submersible cable transfer box |
CN112737193B (en) * | 2020-12-30 | 2022-05-20 | 合肥恒大江海泵业股份有限公司 | Submersible cable transfer box |
CN117240018A (en) * | 2023-11-14 | 2023-12-15 | 天津普友机电设备股份有限公司 | Joint process of stator winding wire and power cable of submersible motor |
CN117240018B (en) * | 2023-11-14 | 2024-03-08 | 天津普友机电设备股份有限公司 | Joint process of stator winding wire and power cable of submersible motor |
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