CN204559302U - A kind of cable sealing device of submersible pump - Google Patents

A kind of cable sealing device of submersible pump Download PDF

Info

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
Authority
CN
China
Prior art keywords
cable
submersible pump
terminal box
submersible
cable core
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.)
Active
Application number
CN201520247124.XU
Other languages
Chinese (zh)
Inventor
俞宗安
俞凤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sub-Motor Electric Pump Co Ltd Is Contained In Hefei
Original Assignee
Sub-Motor Electric Pump Co Ltd Is Contained In Hefei
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sub-Motor Electric Pump Co Ltd Is Contained In Hefei filed Critical Sub-Motor Electric Pump Co Ltd Is Contained In Hefei
Priority to CN201520247124.XU priority Critical patent/CN204559302U/en
Application granted granted Critical
Publication of CN204559302U publication Critical patent/CN204559302U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

A kind of cable sealing device of submersible pump
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.
CN201520247124.XU 2015-04-22 2015-04-22 A kind of cable sealing device of submersible pump Active CN204559302U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520247124.XU CN204559302U (en) 2015-04-22 2015-04-22 A kind of cable sealing device of submersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520247124.XU CN204559302U (en) 2015-04-22 2015-04-22 A kind of cable sealing device of submersible pump

Publications (1)

Publication Number Publication Date
CN204559302U true CN204559302U (en) 2015-08-12

Family

ID=53834372

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201520247124.XU Active CN204559302U (en) 2015-04-22 2015-04-22 A kind of cable sealing device of submersible pump

Country Status (1)

Country Link
CN (1) CN204559302U (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (11)

* Cited by examiner, † Cited by third party
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

Similar Documents

Publication Publication Date Title
CN204559302U (en) A kind of cable sealing device of submersible pump
CN101232217B (en) Leak-proof cable connection sealing device
CN201937383U (en) Integral sealed terminal box
CN101212157B (en) Novel submerged motor with hermetically sealed wiring cavity
CN101212158B (en) Cable seal structure for submerged motor
CN102082479B (en) Flameproof face structure for explosion-proof motor
CN201813247U (en) Cable lead connection structure of junction box of explosion-proof blower motor
CN203674678U (en) Twin-cable joint sealing structure
CN202914899U (en) Immersible pump provided with cable sealing structure
CN102842880A (en) Quadruple sealing structure of cable of submersible electric pump
CN203289244U (en) Sealing device for cable lead-out wire of submersible sewage pump
CN201238100Y (en) Plug-in cable head of oil-submersible electric pump
CN201877749U (en) Novel explosion-proof main junction box used in various places
CN202872311U (en) Submersible electric pump cable incoming line stitching sealing structure
CN105020483B (en) Sealing structure for cable outgoing hole of electric device
CN201774365U (en) Cable leading-out structure in explosion suppression type blower motor
CN202872312U (en) Outer joint leakproof structure of submersible electric pump cable
CN202872313U (en) Inner joint leakproof structure of submersible electric pump cable
CN207750251U (en) A kind of sealing structure of deep well submerged pump cable
CN201368051Y (en) Sealing device for lead-out cable conductors in pump
CN201063433Y (en) Integral compound full sealing power cable shielding layer earth casing
CN203313561U (en) Casing sealing structure
CN112152375A (en) Waterproof motor with waterproof measure according to national standard structure size
CN202798271U (en) Motor sealing structure
CN205017147U (en) Novel dampproofing and waterproofing motor

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant