CN110190576A - Tail pipe sealing device of cable terminal - Google Patents
Tail pipe sealing device of cable terminal Download PDFInfo
- Publication number
- CN110190576A CN110190576A CN201910514000.6A CN201910514000A CN110190576A CN 110190576 A CN110190576 A CN 110190576A CN 201910514000 A CN201910514000 A CN 201910514000A CN 110190576 A CN110190576 A CN 110190576A
- Authority
- CN
- China
- Prior art keywords
- conductive
- tail pipe
- sealing
- sealing ring
- connecting portion
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 120
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 3
- 230000002045 lasting effect Effects 0.000 abstract 1
- 125000003003 spiro group Chemical group 0.000 abstract 1
- 239000000463 material Substances 0.000 description 19
- 229910052751 metal Inorganic materials 0.000 description 8
- 239000002184 metal Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000003822 epoxy resin Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 229920000647 polyepoxide Polymers 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
Landscapes
- Cable Accessories (AREA)
Abstract
The application provides a tail pipe sealing device of cable terminal head, including electrically conductive sheath, electrically conductive spiro ring, tail pipe, sealing ring and mounting flange. The conductive sheath is sleeved and fixed on the cable body. The conductive screw is sleeved on the conductive sheath and is in threaded connection with the conductive sheath. The tail pipe is sealed and in threaded connection with the conductive spiral ring. The first end of the conductive sheath extends into the tail pipe along the first end of the tail pipe. The sealing ring is sleeved on the conductive sheath. The sealing ring is arranged between the conductive spiral ring and the conductive sheath and is arranged at one end of the conductive spiral ring, which is far away from the tail pipe. The fixing flange is sleeved on the conductive sheath. The fixing flange is fixedly connected with one end, close to the sealing ring, of the conductive spiral ring, and is sealed through the sealing ring. Sealing device, sealing capacity is not influenced by expend with heat and contract with cold factor, sealing performance is lasting and high-efficient, the sealing process of this application is simple simultaneously, it is portable to operate.
Description
Technical field
This application involves cable seal technical fields, more particularly to the stern tube sealing of cable terminal.
Background technique
It is increasing to the demand of power cable as industrialization continues to develop in recent years.High-tension cable is commonly used
Cable is sealed in the power transmission and transformation system of national grid, and through tail pipe mode, it is ensured that the excellent sealing of cable
Performance.
There is the tail pipe of a metal material outside hv cable termination main body, which must be reliable with cable metal sheath
Connection, it is ensured that the layer of structure of hv cable termination head is similar to cable, realizes metallic shield and mechanical protection function.Simultaneously should
Tail pipe must reliably be sealed with protective metal shell, prevent extraneous steam from entering in tail pipe and hv cable termination head mains failure is caused to hit
It wears.
Currently, tail pipe mainly uses epoxide-resin glue envelope technique to realize that electrical connection and sealing with cable metal sheath are tied
Structure.But because epoxy resin expand with heat and contract with cold amplitude and copper tail pipe, protective metal shell it is inconsistent, it may appear that cracking phenomena, so as to cause
Cable terminal sealing effect is bad.
Summary of the invention
Based on this, it is necessary to process seal is sealed using epoxide-resin glue between existing tail pipe and cable metal sheath,
Sealability is affected by thermal expansion and contraction, and leads to the problem that sealing effect is bad, provides a kind of Stern tube seal dress of cable terminal
It sets.
A kind of stern tube sealing of cable terminal, comprising:
Conductive jacket is arranged and is fixed on cable body；
Conductive loop coil is sheathed on the conductive jacket, and is threadedly coupled with the conductive jacket；
Tail pipe, and the conductive loop coil sealing and is threadedly coupled, the first end of the conductive jacket along the tail pipe the
One end is protruded into the tail pipe；
Sealing ring is sheathed on the conductive jacket, is set between the conductive loop coil and the conductive jacket, and is arranged
In the described one end of conductive loop coil far from the tail pipe；And
Mounting flange is sheathed on the conductive jacket, with the conductive loop coil close to the fixed company in one end of the sealing ring
It connects, and is sealed by the sealing ring.
The conductive loop coil includes: in one of the embodiments,
First connecting portion, is sheathed on the first end of the tail pipe, and with the Stern tube seal and threaded connection；
Second connecting portion is fixed and is tightly connected with the first connecting portion, and the second connecting portion is sheathed on described lead
Electric sheath, and be threadedly coupled with the conductive jacket；And
Third interconnecting piece is fixed and is tightly connected with the second connecting portion, and the second connecting portion is set to described
It is close by the sealing ring between the third interconnecting piece and the conductive jacket between one interconnecting piece and the third interconnecting piece
Envelope, the one end of the third interconnecting piece far from the second connecting portion is fixedly connected with the mounting flange.
The stern tube sealing of the cable terminal in one of the embodiments, further include:
First sealing ring, the first connecting portion are connect by first sealing ring with the Stern tube seal.
The stern tube sealing of the cable terminal in one of the embodiments, further include:
Annular convex platform is sheathed on the conductive jacket, and is fixed on the mounting flange close to the side of the sealing ring,
For limiting the sealing ring, the diameter of the annular convex platform is identical as the diameter of the sealing ring, and is less than the third and connects
The internal diameter of socket part.
The internal diameter of the second connecting portion is less than the internal diameter of the first connecting portion and described in one of the embodiments,
The internal diameter of third interconnecting piece.
The stern tube sealing of the cable terminal in one of the embodiments, further include:
Second sealing ring, the tail pipe pass through second sealing ring and bobbin seal far from one end of the conductive loop coil
And it is fixedly connected.
One end setting of the tail pipe far from the conductive loop coil is fluted in one of the embodiments, and described second
Sealing ring is embedded in the groove.
It is fixedly connected between the tail pipe and described sleeve pipe by the first bolt in one of the embodiments,.
The mounting flange is fixedly connected with the conductive loop coil by the second bolt in one of the embodiments,.
The stern tube sealing of the cable terminal in one of the embodiments, further include:
Line ear is fixed on side of the tail pipe far from the conductive jacket, and is electrically connected with the conductive jacket.
Compared with prior art, the stern tube sealing of above-mentioned cable terminal stretches the first end of the conductive jacket
Enter in the tail pipe, and is sheathed on the conductive jacket by the conductive loop coil, while cooperating with the tail pipe, it will be described
It seals and is threadedly coupled between the first end of conductive loop coil and the tail pipe；The other end of the conductive loop coil is passed through into institute simultaneously
It states sealing ring to be sealed, and arranges in pairs or groups with the mounting flange, form the mechanism that is locked, so that tail pipe and the conduction
Sheath is reliably tightly connected.Sealing device described herein, sealability are not influenced by the factor of expanding with heat and contract with cold, and sealing performance is held
Long and efficiently, while the sealing technology of the application is simple, operates portable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stern tube sealing for the cable terminal that one embodiment of the application provides；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
Fig. 3 is the structural schematic diagram for the mounting flange that one embodiment of the application provides；
Fig. 4 is the enlarged drawing in Fig. 1 at B；
Fig. 5 is the structural schematic diagram of the stern tube sealing for the cable terminal that another embodiment of the application provides；
Fig. 6 is the enlarged drawing in Fig. 1 at C.
The stern tube sealing of 10 cable terminals
100 conductive jackets
101 cable bodies
200 conductive loop coils
210 first connecting portions
211 first sealing rings
220 second connecting portions
230 third interconnecting pieces
300 tail pipes
301 casings
310 second sealing rings
311 grooves
320 first bolts
330 line ears
400 sealing rings
500 mounting flanges
501 second bolts
502 bolts hole
510 annular convex platform
600 oversheaths
Specific embodiment
In order to make the above objects, features, and advantages of the present application more apparent, with reference to the accompanying drawing to the application
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this Shen
Please.But the application can be implemented with being much different from other way described herein, those skilled in the art can be not
Similar improvement is done in the case where violating the application intension, therefore the application is not limited by following public specific implementation.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and the technical field for belonging to the application
The normally understood meaning of technical staff is identical.The term used in the description of the present application is intended merely to description tool herein
The purpose of the embodiment of body, it is not intended that in limitation the application.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Referring to Figure 1, one embodiment of the application provides a kind of stern tube sealing 10 of cable terminal, comprising: conductive
Sheath 100, conductive loop coil 200, tail pipe 300, sealing ring 400 and mounting flange 500.The conductive jacket 100 is arranged and consolidates
Due to cable body 101.The conduction loop coil 200 is sheathed on the conductive jacket 100, and with 100 screw thread of conductive jacket
Connection.The tail pipe 300 is sealed and is threadedly coupled with the conductive loop coil 200.The first end of the conductive jacket 100 is described in
The first end of tail pipe 300 protrudes into the tail pipe 300.The sealing ring 400 is sheathed on the conductive jacket 100.The sealing
Ring 400 is set between the conductive loop coil 200 and the conductive jacket 100, and is set to the conductive loop coil 200 far from institute
State one end of tail pipe 300.The mounting flange 500 is sheathed on the conductive jacket 100.The mounting flange 500 is led with described
Electric loop coil 200 is fixedly connected close to one end of the sealing ring 400, and is sealed by the sealing ring 400.
It is appreciated that the material of the conductive jacket 100 is unlimited, as long as keeping shape and having the function of conduction.
The specific material of the conductive jacket 100, can be selected according to actual needs.In one embodiment, the conductive jacket
100 material can be metal, such as copper, aluminium etc..In one embodiment, the material of the conductive jacket 100 is also possible to
Conducing composite material, such as conductive plastics, conductive rubber etc..
In one embodiment, mode fixed between the conductive jacket 100 and the cable body 101 is unlimited, only
Guarantee fixed between the conductive jacket 100 and the cable body 101.In one embodiment, the conductive shield
Set 100 can be fixed with the cable body 101 by way of stickup.In one embodiment, the conductive jacket 100 and institute
Stating can also be fixed between cable body 101 by way of injection molding.In one embodiment, the internal diameter of the conductive jacket 100
Greater than the diameter of the cable body 101.In one embodiment, the outer wall of the conductive jacket 100 is provided with screw thread.
It is appreciated that the material of the conductive loop coil 200 is unlimited, as long as keeping shape and having the function of conduction.
The specific material of the conduction loop coil 200, can be selected according to actual needs.In one embodiment, the conductive loop coil
200 material can be metal, such as copper, aluminium etc..In one embodiment, the material of the conductive loop coil 200 is also possible to
Conducing composite material, such as conductive plastics, conductive rubber etc..
In one embodiment, the conductive loop coil 200 is threadedly coupled with the conductive jacket 100.Specifically, described lead
The inner wall of electric loop coil 200 is provided with internal screw thread, with being threadedly engaged for the conductive jacket 100, forms screw connection structure.Using
This screw connection structure may make contact area between the two big, increase conductive effect.In one embodiment, the conduction
The internal diameter of loop coil 200 is greater than the outer diameter of the conductive jacket 100.
It is appreciated that the material of the tail pipe 300 is unlimited, as long as keeping shape.The specific material of the tail pipe 300
Matter can be selected according to actual needs.In one embodiment, the material of the tail pipe 300 can be metal, such as copper,
Aluminium etc..In one embodiment, the material of the tail pipe 300 is also possible to conducing composite material, such as conductive plastics, conductive rubber
Glue etc..
In one embodiment, the tail pipe 300 is sealed and is threadedly coupled with the conductive loop coil 200.Specifically, described
One end side wall of tail pipe 300 is provided with external screw thread, and the screw-internal thread fit with the conductive loop coil 200 forms screw connection structure.
It may make contact area between the two big using this screw connection structure, increase conductive effect, while having convenient for disassembly and assembly
Advantage.
In one embodiment, the junction of the tail pipe 300 and the conductive loop coil 200 can be carried out close by sealing ring
Envelope.In one embodiment, the first end of the conductive jacket 100 protrudes into the tail pipe 300 along the first end of the tail pipe 300
Interior, the second end of the conductive jacket 100 is protruded into along the conductive loop coil 200 close to the first end of the conductive jacket 100, and
Second end along the conductive loop coil 200 is stretched out.Between the tail pipe 300 and the conductive loop coil 200 using this sealing and
Screw connection structure may make the tail pipe 300 in encapsulation or disintegration, melt without flame to the conductive jacket 100
Lead or sealing lead operation will not constitute damage to the cable body 101 due to the conductive jacket 100 overheats.
In one embodiment, the sealing ring 400 is sheathed on the conductive jacket 100, and is set to the conductive spiral shell
Between ring 200 and the conductive jacket 100；The internal diameter of the i.e. described sealing ring 400 is greater than the outer diameter of the conductive jacket 100, and
The outer diameter of the sealing ring 400 is less than the internal diameter of the conductive loop coil 200.It may make the fixation using the sealing ring 400
It is tightly connected between flange 500 and the conductive loop coil 200.In one embodiment, the width of the sealing ring 400 can wait
In or be approximately equal to the conductive jacket 100 screw thread in three ripples length.In one embodiment, the sealing ring
400 material can be rubber material.
In one embodiment, the material of the mounting flange 500 can be copper or other nonmagnetic metal materials.At one
In embodiment, fixed mode is unlimited between the mounting flange 500 and the conductive loop coil 200, as long as guaranteeing between the two
Fixation.It in one embodiment, can be fixed by snap between the mounting flange 500 and the conductive loop coil 200.?
In one embodiment, it can also be bolted between the mounting flange 500 and the conductive loop coil 200.Using described solid
Determine flange 500 sealing ring 400 is limited between the conductive loop coil 200 and the conductive jacket 100, so that described lead
It is sealed between electric loop coil 200 and the conductive jacket 100.
In the present embodiment, the first end of the conductive jacket 100 is protruded into the tail pipe 300, and pass through the conduction
Loop coil 200 is sheathed on the conductive jacket 100, while being cooperated with the tail pipe 300, by the first of the conductive loop coil 200
It holds and seals and be threadedly coupled between the tail pipe 300；The other end of the conductive loop coil 200 is passed through into the sealing ring simultaneously
400 are sealed, and arrange in pairs or groups with the mounting flange 500, the mechanism that is locked are formed, so that tail pipe 300 is led with described
Electric sheath 100 is reliably tightly connected.Sealing device described in the present embodiment, sealability are not influenced by the factor of expanding with heat and contract with cold, close
Sealing property is persistently and efficient, while the sealing technology of the present embodiment is simple, operates portable.
In one embodiment, the conductive loop coil 200 includes: first connecting portion 210, second connecting portion 220, third company
Socket part 230.The first connecting portion 210 is sheathed on the first end of the tail pipe 300, and with the tail pipe 300 sealing and screw thread
Connection.The second connecting portion 220 is fixed with the first connecting portion 210 and is tightly connected.The second connecting portion 220 is arranged
It is threadedly coupled in the conductive jacket 100, and with the conductive jacket 100.The third interconnecting piece 230 is connect with described second
Portion 220 is fixed and is tightly connected.The second connecting portion 220 is set to the first connecting portion 210 and the third interconnecting piece
Between 230.It is sealed between the third interconnecting piece 230 and the conductive jacket 100 by the sealing ring 400.The third
The one end of interconnecting piece 230 far from the second connecting portion 220 is fixedly connected with the mounting flange 500.
In one embodiment, the first connecting portion 210 is sealed and is threadedly coupled with the tail pipe 300.Specifically, institute
It states first connecting portion 210 and is provided with internal screw thread, the tail pipe 300 is provided with the external screw thread with the screw-internal thread fit, thus shape
At screw connection structure.It can be carried out simultaneously by the first sealing ring 211 between the first connecting portion 210 and the tail pipe 300
It is tightly connected (as shown in Figure 2).Specifically, first sealing ring 211 can be embedded in the groove of the first connecting portion 210
It is interior.In one embodiment, the material of first sealing ring 211 can be rubber material.
In one embodiment, the internal diameter of the second connecting portion 220 is less than the internal diameter of the first connecting portion 210.Together
Internal diameter of the internal diameter of Shi Suoshu second connecting portion 220 with the tail pipe 300 close to described 210 one end of first connecting portion is identical or close
Patibhaga-nimitta is same.In one embodiment, the second connecting portion 220 be provided with in being threadedly engaged of the conductive jacket 100
Screw thread may make contact area between the two big using this screw connection structure, increase conductive effect.
In one embodiment, the shape of the third interconnecting piece 230 can be funnel shaped.In one embodiment,
Internal diameter of the third interconnecting piece 230 close to described 220 one end of second connecting portion is less than the third interconnecting piece 230 far from described
The internal diameter of 220 one end of second connecting portion.In one embodiment, the third interconnecting piece 230 is close to the second connecting portion 220
The side wall setting at an acute angle of the side wall of one end and the conductive jacket 100.
The sealing ring 400 and the side wall of the side wall contact position are inclined-plane simultaneously, and the inclined-plane and the conductive jacket 100
Angle between side wall is identical with above-mentioned sharp angle.So that the third interconnecting piece 230 and the conductive jacket 100 it
Between can be sealed by the sealing ring 400, and it is fixed by the mounting flange 500.In one embodiment, the third connects
It can be bolted between socket part 230 and the mounting flange 500, it can also be fixed by snap.In one embodiment, institute
Stating first connecting portion 210 and the second connecting portion 220 can be structure as a whole.In one embodiment, the second connecting portion
It can also be structure as a whole between 220 and the third interconnecting piece 230.
Fig. 3 is referred to, in one embodiment, the stern tube sealing 10 of the cable terminal further include: convex annular
Platform 510.The annular convex platform 510 is sheathed on the conductive jacket 100, and is fixed on the mounting flange 500 close to described close
The side of seal ring 400.The annular convex platform 510 is for limiting the sealing ring 400.The diameter of the annular convex platform 510 and institute
The diameter for stating sealing ring 400 is identical, and is less than the internal diameter of the third interconnecting piece 230.It will be described using the annular convex platform 510
Sealing ring 400 limits between the third interconnecting piece 230 and the conductive jacket 100, to realize sealing effect.At one
In embodiment, the annular convex platform 510 can be structure as a whole with the mounting flange 500.
Fig. 4 is referred to, it in one embodiment, can be by the between the mounting flange 500 and the conductive loop coil 200
Two bolts 501 are fixedly connected.In one embodiment, be provided on the mounting flange 500 multiple bolts hole 502 (such as four,
Six etc.).The quantity of second bolt 501 can be it is multiple, and with the bolt hole 502 correspond.It is i.e. each described
Bolt hole 502 is provided with second bolt 501, so that leading between the mounting flange 500 and the conductive loop coil 200
Second bolt 501 and the bolt hole 502 are crossed with merging fixation.
Fig. 5 and Fig. 6 are referred to, in one embodiment, the stern tube sealing 10 of the cable terminal further include: the
Two sealing rings 310.The tail pipe 300 passes through second sealing ring 310 and casing far from one end of the conductive loop coil 200
301 seal and are fixedly connected.In one embodiment, the material of second sealing ring 310 can be rubber material.At one
In embodiment, mode that can be fixed by snap is fixed by the tail pipe 300 and described sleeve pipe 301.In one embodiment,
The mode that can be bolted is fixed by the tail pipe 300 and described sleeve pipe 301.
In one embodiment, one end setting fluted 311 of the tail pipe 300 far from the conductive loop coil 200.It is described
Second sealing ring 310 is embedded in the groove 311.It is to be embedded in second sealing ring 310 described recessed in embodiment at one
In slot 311, and it is by the first bolt 320 that the tail pipe 300 is fixed with described sleeve pipe 301, it is carried out by this sealing structure
Sealing has the advantage being dismounted easily.
In one embodiment, the stern tube sealing 10 of the cable terminal further include: line ear 330.The line ear
330 are fixed on side of the tail pipe 300 far from the conductive jacket 100.The line ear 330 and 100 electricity of conductive jacket
Connection.Electric energy is transmitted to electrical equipment from the cable body 101 using the line ear 330.
The assembling process of the application are as follows:
First after high-tension cable bursts at the seams (i.e. will oversheath 600 cut after), successively by the mounting flange 500, described
Sealing ring 400, the conductive loop coil 200, first sealing ring 211, second sealing ring 310, the conductive jacket
100, described tail pipe 300 etc. is inserted in the cable body 101.Then second sealing ring 310 is embedded in the tail pipe 300
In the groove 311, then by first bolt 320 by the tail pipe 300 and hv cable termination casing (such as GIS terminal
Epoxy bushing) carry out locking fastening, realize gas-tight seal between the tail pipe and hv cable termination casing.Secondly, will
The conduction loop coil 200 is embedded in first sealing ring 211 close to one end of the tail pipe 300, then real with the tail pipe 300
It is now threadedly coupled, realizes the gas-tight seal of contact surface between the two.
Finally, the sealing ring 400 is inserted between the conductive jacket 100 and the conductive loop coil 200, institute is then used
It states the annular convex platform 510 on mounting flange 500 and holds the sealing ring 400, then on multiple first bolts 501
It tightly locks the mounting flange 500 and (mounting flange 500 and the conductive spiral shell is secured the above by second bolt 501
Ring 200).The airtight sealing processing of the conductive loop coil 200 is thereby realized, namely realizes hv cable termination end to end
The integral sealing of pipe works.
In conclusion the application protrudes into the first end of the conductive jacket 100 in the tail pipe 300, and by described
Conductive loop coil 200 is sheathed on the conductive jacket 100, while being cooperated with the tail pipe 300, by the conductive loop coil 200
It seals and is threadedly coupled between first end and the tail pipe 300；The other end of the conductive loop coil 200 is passed through simultaneously described close
Seal ring 400 is sealed, and is arranged in pairs or groups with the mounting flange 500, the mechanism that is locked is formed, so that tail pipe 300 and institute
Conductive jacket 100 is stated reliably to be tightly connected.Sealing device described herein, sealability are not influenced by the factor of expanding with heat and contract with cold,
Sealing performance is persistently and efficient, while the sealing technology of the application is simple, operates portable.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
The several embodiments of the application above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the concept of this application, various modifications and improvements can be made, these belong to the protection of the application
Range.Therefore, the scope of protection shall be subject to the appended claims for the application patent.
Claims (10)
1. a kind of stern tube sealing of cable terminal characterized by comprising
Conductive jacket (100) is arranged and is fixed on cable body (101)；
Conductive loop coil (200), is sheathed on the conductive jacket (100), and is threadedly coupled with the conductive jacket (100)；
Tail pipe (300) is sealed and is threadedly coupled with the conductive loop coil (200), and the first end of the conductive jacket (100) is along institute
The first end for stating tail pipe (300) protrudes into the tail pipe (300)；
Sealing ring (400) is sheathed on the conductive jacket (100), is set to the conductive loop coil (200) and the conductive jacket
(100) between, and it is set to the described conductive one end of loop coil (200) far from the tail pipe (300)；And
Mounting flange (500) is sheathed on the conductive jacket (100), with the conductive loop coil (200) close to the sealing ring
(400) one end is fixedly connected, and is sealed by the sealing ring (400).
2. the stern tube sealing of cable terminal as described in claim 1, which is characterized in that the conduction loop coil (200)
Include:
First connecting portion (210), is sheathed on the first end of the tail pipe (300), and with the tail pipe (300) sealing and screw thread connects
It connects；
Second connecting portion (220), and sealed connection fixed with the first connecting portion (210), second connecting portion (220) set
It is threadedly coupled set on the conductive jacket (100), and with the conductive jacket (100)；And
Third interconnecting piece (230), and sealed connection, the second connecting portion (220) fixed with the second connecting portion (220) set
It is placed between the first connecting portion (210) and the third interconnecting piece (230), the third interconnecting piece (230) is led with described
It is sealed between electric sheath (100) by the sealing ring (400), the third interconnecting piece (230) is far from the second connecting portion
(220) one end is fixedly connected with the mounting flange (500).
3. the stern tube sealing of cable terminal as claimed in claim 2, which is characterized in that further include:
First sealing ring (211), the first connecting portion (210) pass through first sealing ring (211) and the tail pipe (300)
It is tightly connected.
4. the stern tube sealing of cable terminal as claimed in claim 2, which is characterized in that further include:
Annular convex platform (510) is sheathed on the conductive jacket (100), and is fixed on the mounting flange (500) close to described close
The side of seal ring (400), for limiting the sealing ring (400), the diameter and the sealing ring of the annular convex platform (510)
(400) diameter is identical, and is less than the internal diameter of the third interconnecting piece (230).
5. the stern tube sealing of cable terminal as claimed in claim 2, which is characterized in that the second connecting portion
(220) internal diameter is less than the internal diameter of the first connecting portion (210) and the internal diameter of the third interconnecting piece (230).
6. the stern tube sealing of cable terminal as claimed in claim 2, which is characterized in that further include:
Second sealing ring (310), the tail pipe (300) seal far from one end of the conductive loop coil (200) by described second
Circle (310) is sealed and is fixedly connected with casing (301).
7. the stern tube sealing of cable terminal as claimed in claim 6, which is characterized in that the tail pipe (300) is separate
Fluted (311) are arranged in one end of the conduction loop coil (200), and second sealing ring (310) is embedded in the groove (311)
It is interior.
8. the stern tube sealing of cable terminal as claimed in claim 6, which is characterized in that the tail pipe (300) and institute
It states and is fixedly connected between casing (301) by the first bolt (320).
9. the stern tube sealing of cable terminal as described in claim 1, which is characterized in that the mounting flange (500)
It is fixedly connected with the conductive loop coil (200) by the second bolt (501).
10. the stern tube sealing of cable terminal as described in claim 1, which is characterized in that further include:
Line ear (330), be fixed on the tail pipe (300) far from the conductive jacket (100) side, and with the conductive jacket
(100) it is electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514000.6A CN110190576B (en) | 2019-06-14 | 2019-06-14 | Tail pipe sealing device of cable terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910514000.6A CN110190576B (en) | 2019-06-14 | 2019-06-14 | Tail pipe sealing device of cable terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110190576A true CN110190576A (en) | 2019-08-30 |
| CN110190576B CN110190576B (en) | 2021-02-05 |
Family
ID=67721828
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910514000.6A Active CN110190576B (en) | 2019-06-14 | 2019-06-14 | Tail pipe sealing device of cable terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110190576B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293664A (en) * | 2020-01-17 | 2020-06-16 | 国网浙江省电力有限公司嘉兴供电公司 | Cable terminal tail pipe and connecting process thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2233838A (en) * | 1989-06-30 | 1991-01-16 | Hawke Cable Glands Ltd | Cable glands |
| US6148513A (en) * | 1996-12-21 | 2000-11-21 | Alcatel | Method of applying a connecting element to a high-frequency cable in a moisture-proof manner |
| CN202678919U (en) * | 2012-07-10 | 2013-01-16 | 厦门海源泵业有限公司 | Cable sheath interface device |
| CN202772543U (en) * | 2012-06-26 | 2013-03-06 | 3M创新有限公司 | Tail pipe for cable terminals |
| CN203056534U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
| CN203553870U (en) * | 2013-10-31 | 2014-04-16 | 沈阳国联电缆附件制造有限公司 | Integral 757mm 110kV dry type cable terminal |
| CN104300451A (en) * | 2014-10-16 | 2015-01-21 | 襄阳绿控电气科技有限公司 | Aviation cable clamp special for electric vehicle wiring harnesses |
| CN109327006A (en) * | 2018-11-30 | 2019-02-12 | 广东吉熙安电缆附件有限公司 | A kind of preparation method of cable termination main part and cable termination using the main part |
| CN208723521U (en) * | 2018-05-31 | 2019-04-09 | 常州市拓源电缆成套有限公司 | Stern tube sealing of the 110kV cable with gasket |
| CN208955307U (en) * | 2018-11-15 | 2019-06-07 | 广州市恒吉电子科技有限公司 | A kind of changeable type connector construction |
-
2019
- 2019-06-14 CN CN201910514000.6A patent/CN110190576B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2233838A (en) * | 1989-06-30 | 1991-01-16 | Hawke Cable Glands Ltd | Cable glands |
| US6148513A (en) * | 1996-12-21 | 2000-11-21 | Alcatel | Method of applying a connecting element to a high-frequency cable in a moisture-proof manner |
| CN202772543U (en) * | 2012-06-26 | 2013-03-06 | 3M创新有限公司 | Tail pipe for cable terminals |
| CN202678919U (en) * | 2012-07-10 | 2013-01-16 | 厦门海源泵业有限公司 | Cable sheath interface device |
| CN203056534U (en) * | 2013-02-24 | 2013-07-10 | 衢州市易凡设计有限公司 | Cable bushing |
| CN203553870U (en) * | 2013-10-31 | 2014-04-16 | 沈阳国联电缆附件制造有限公司 | Integral 757mm 110kV dry type cable terminal |
| CN104300451A (en) * | 2014-10-16 | 2015-01-21 | 襄阳绿控电气科技有限公司 | Aviation cable clamp special for electric vehicle wiring harnesses |
| CN208723521U (en) * | 2018-05-31 | 2019-04-09 | 常州市拓源电缆成套有限公司 | Stern tube sealing of the 110kV cable with gasket |
| CN208955307U (en) * | 2018-11-15 | 2019-06-07 | 广州市恒吉电子科技有限公司 | A kind of changeable type connector construction |
| CN109327006A (en) * | 2018-11-30 | 2019-02-12 | 广东吉熙安电缆附件有限公司 | A kind of preparation method of cable termination main part and cable termination using the main part |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111293664A (en) * | 2020-01-17 | 2020-06-16 | 国网浙江省电力有限公司嘉兴供电公司 | Cable terminal tail pipe and connecting process thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110190576B (en) | 2021-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9039450B2 (en) | Termination arrangement for a cable bundle | |
| CN110190576A (en) | Tail pipe sealing device of cable terminal | |
| CN110212485A (en) | Three core high-voltage undersea cable connector boxs of one kind and its installation method | |
| CN211351045U (en) | Cable shielding grounding combined sealing ring for metal stuffing box of marine junction box | |
| US2969415A (en) | Electric cable terminations | |
| CN109378605B (en) | Plug-in type cable connector | |
| CN201554961U (en) | Sealing structure of inlet cables of electronic box | |
| CN102388514A (en) | Bushing for connecting gas insulated switchgear with air insulated switchgear | |
| CN210430893U (en) | Cable connection sleeve and solid-sealed polar pole using same | |
| JP4615258B2 (en) | Power cable termination connection and assembly method | |
| CN108808617B (en) | Three-phase cable intermediate joint | |
| US3236934A (en) | Sealing assembly for electrical cables and the like | |
| CN108899659B (en) | Sealed electric connector and manufacturing method thereof | |
| CN208835374U (en) | Plug-in type cable connector | |
| CN110445088A (en) | Cable intermediate head protective housing | |
| CN207234369U (en) | One kind ± 500kV direct current cables outdoor terminals | |
| CN215911605U (en) | Multi-core cable shielding layer installation assembly and signal transmission device | |
| CN202308800U (en) | Disc-type bus bushing | |
| CN103606786A (en) | Electric direct connector without plugging cable bonding | |
| CN114665428A (en) | Quick-insertion type explosion-proof cable lead-in device and installation and use method | |
| CN211265829U (en) | Underwater pressure-resistant feed cable connector | |
| CN108761147B (en) | Cable intermediate head test device | |
| CN206595409U (en) | A kind of tube type bus connects terminal | |
| CN219979430U (en) | Casing structure of outdoor high-voltage vacuum circuit breaker | |
| US5736670A (en) | Flexible gas tight electrical connection for generators |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |