CN204928069U - Insulating copper shell of fire -retardant epoxy type of 110kV - Google Patents
Insulating copper shell of fire -retardant epoxy type of 110kV Download PDFInfo
- Publication number
- CN204928069U CN204928069U CN201520727058.6U CN201520727058U CN204928069U CN 204928069 U CN204928069 U CN 204928069U CN 201520727058 U CN201520727058 U CN 201520727058U CN 204928069 U CN204928069 U CN 204928069U
- Authority
- CN
- China
- Prior art keywords
- copper pipe
- copper
- retardant epoxy
- flame retardant
- sheathing flange
- 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
Links
Landscapes
- Cable Accessories (AREA)
Abstract
The utility model provides an insulating copper shell of fire -retardant epoxy type of 110kV belongs to the electrical technology field. This insulating copper shell of fire -retardant epoxy type of 110kV includes: left side copper pipe comprises a big brass and first little copper pipe, is equipped with left copper sheathing flange on the big brass, and big brass one side middle part is equipped with left side wiring end, right side copper pipe comprises the 2nd big brass and the little copper pipe of second, is equipped with right copper sheathing flange on the 2nd big brass, and the 2nd big brass one side middle part being equipped with the right side wiring that sets up with left side wiring end homonymy and holding, fire -retardant epoxy insulating part is the annular setting and is made by the flame retardant plastics material, and fire -retardant epoxy insulating part is sealed to be set up between left copper sheathing flange and right copper sheathing flange, all install the ground connection foot that is dull and stereotyped setting in each wiring end, the ground connection foot inner big brass with corresponding intersect vertically, and ground connection foot outer end is exposed and is corresponded wiring end outside. This insulating copper shell of fire -retardant epoxy type of 110kV has reasonable in design, advantage that electric insulation performance is stable.
Description
Technical field
The utility model belongs to technical field of electricity, relates to a kind of 110kV flame retardant epoxy type insulated copper shell, particularly a kind of 110kV flame retardant epoxy type insulated copper shell being applicable to intermediate joint of electric cable.
Background technology
In daily life, when growing the installation of distance wiring or power cable, the means connected together by two power cables usually can be adopted to improve the length of cable.
In prior art, the general connection work adopting intermediate joint of electric cable to realize power cable, is provided with copper shell, to realize electric insulation outside intermediate joint of electric cable.But existing most of copper shell mechanism design is unreasonable, and its electric insulation effect is undesirable, reduces the stability of power cable work.
In sum, be solve the deficiency on existing copper shell mechanism, need to design a kind of reasonable in design, 110kV flame retardant epoxy type insulated copper shell that electrical insulation properties is stable.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes a kind of reasonable in design, 110kV flame retardant epoxy type insulated copper shell that electrical insulation properties is stable.
The purpose of this utility model realizes by following technical proposal: a kind of 110kV flame retardant epoxy type insulated copper shell, comprising:
Left copper pipe, be made up of the first copper pipe be connected as a single entity and the first little copper pipe, the diameter of described first copper pipe is greater than the diameter of the first little copper pipe, described first copper pipe is sealed and installed with left copper sheathing flange away from one end of the first little copper pipe, the left encapsulating mouth that described first copper pipe one middle side part is provided with left terminals and arranges near left copper sheathing flange;
Left insulating barrier, in the circumferential lateral surface being sealed and coated on left copper pipe and described left encapsulating mouth through left insulating barrier;
Right copper pipe, be made up of the second largest copper pipe be connected as a single entity and the second little copper pipe, the diameter of described second largest copper pipe is greater than the diameter of the second little copper pipe, described second largest copper pipe is sealed and installed with away from one end of the second little copper pipe the right copper sheathing flange be oppositely arranged with left copper sheathing flange, the right encapsulating mouth that described second largest copper pipe one middle side part is provided with right terminals and arranges near right copper sheathing flange, described right terminals and left terminals homonymy are arranged;
Right insulating barrier, in the circumferential lateral surface being sealed and coated on right copper pipe and described right encapsulating mouth through right insulating barrier;
Flame retardant epoxy insulating part, arranges ringwise and is made up of fire retardant plastic material, and described flame retardant epoxy insulating part is arranged between left copper sheathing flange and right copper sheathing flange and three is tightly connected;
All be provided with in the dull and stereotyped grounding leg arranged in each terminals, described grounding leg the inner intersects vertically with corresponding large copper pipe, and it is outside that corresponding terminals are exposed in described grounding leg outer end.
As further improvement of the utility model, one end that described grounding leg exposes corresponding terminals offers connecting hole.
As further improvement of the utility model, each little copper pipe is all arranged in syllogic, and one section near corresponding large copper pipe and one section away from corresponding large copper pipe is all arranged in closing in, and middle one section is arranged in cylinder.
As further improvement of the utility model, described left encapsulating mouth and right encapsulating mouth are all set to square through hole, and on each encapsulating mouth, be all movably installed with the encapsulating lid can closing corresponding encapsulating mouth.
As further improvement of the utility model, the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.
As further improvement of the utility model, the lateral surface of described flame retardant epoxy insulating part, left copper sheathing flange, right copper sheathing flange three flushes, each copper sheathing flange is all connected by bolt and flame retardant epoxy insulating part, and two end faces of described flame retardant epoxy insulating part are provided with sealing ring with also sealing respectively between corresponding copper sheathing flange.
As further improvement of the utility model, each insulating barrier all adopts rotational molding technique to make.
Based on technique scheme, the utility model embodiment at least can produce following technique effect:
1, overall construction design rationally and compact in design, power cable junction and external environment completely cut off by copper shell, improve cable safety in utilization, the obtained flame retardant epoxy insulating part of fire retardant plastic material is adopted to coordinate closely with each housing, ensure that the sealing property of copper shell, its electrical insulation properties is stablized, ensure that the reliability of power cable work.
2, flame retardant epoxy insulating part is obtained by fire retardant plastic material; fire proofing be can suppress or retardation burning and oneself and be not easy burn material; fire-retardant protection effect can also be further increased under the prerequisite that ensure that insulation property; make flame retardant epoxy insulating part be connected closely with each housing, greatly improve the electrical insulation properties of copper shell.
3, grounding leg reasonable in design, adopts flat grounding leg, and it is more accurate to dock with the external world, fixing more reliable; Grounding leg while connect with corresponding large copper pipe, another side, for connecting earth connection, makes cable reliable operation.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail, wherein:
Fig. 1 is the structural representation of the utility model one preferred embodiment.
In figure, 10, left copper pipe; 11, first copper pipe; 111, left encapsulating mouth; 12, the first little copper pipe; 21, left copper sheathing flange; 22, right copper sheathing flange; 31, left terminals; 32, right terminals; 41, left insulating barrier; 42, right insulating barrier; 50, right copper pipe; 51, second largest copper pipe; 511, right encapsulating mouth; 52, the second little copper pipe; 60, flame retardant epoxy insulating part; 80, grounding leg; 81, connecting hole; 90, bolt; 100, sealing ring.
Embodiment
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
The utility model protects a kind of 110kV flame retardant epoxy type insulated copper shell, is applicable to intermediate joint of electric cable, is particularly useful for 110kV single-core crosslinked polyethylene insulation metal sheath intermediate joint of electric cable.
Existing most of copper shell mechanism design is unreasonable, and its electric insulation effect is undesirable, reduces the stability of power cable work.Therefore, it is necessary for designing a kind of more rational 110kV flame retardant epoxy type insulated copper shell.
Below in conjunction with the elaboration that Fig. 1 carries out specifically to the technical scheme that the utility model provides.
As shown in Figure 1, this 110kV flame retardant epoxy type insulated copper shell comprises:
Left copper pipe 10, be made up of the first copper pipe 11 be connected as a single entity and the first little copper pipe 12, the diameter of first copper pipe 11 is greater than the diameter of the first little copper pipe 12, first copper pipe 11 is sealed and installed with left copper sheathing flange 21 away from one end of the first little copper pipe 12, the left encapsulating mouth 111 that first copper pipe 11 1 middle side part is provided with left terminals 31 and arranges near left copper sheathing flange 21;
Left insulating barrier 41, in the circumferential lateral surface being sealed and coated on left copper pipe 10 and left encapsulating mouth 111 through left insulating barrier 41;
Right copper pipe 50, be made up of the second largest copper pipe 51 be connected as a single entity and the second little copper pipe 52, the diameter of second largest copper pipe 51 is greater than the diameter of the second little copper pipe 52, second largest copper pipe 51 is sealed and installed with away from one end of the second little copper pipe 52 the right copper sheathing flange 22 be oppositely arranged with left copper sheathing flange 21, the right encapsulating mouth 511 that second largest copper pipe 51 1 middle side part is provided with right terminals 32 and arranges near right copper sheathing flange 22, right terminals 32 are arranged with left terminals 31 homonymy;
Right insulating barrier 42, in the circumferential lateral surface being sealed and coated on right copper pipe and described right encapsulating mouth 511 through right insulating barrier 42;
Flame retardant epoxy insulating part 60, arranges ringwise and is made up of fire retardant plastic material, and flame retardant epoxy insulating part 60 is arranged between left copper sheathing flange 21 and right copper sheathing flange 22 and three is tightly connected;
All be provided with in the dull and stereotyped grounding leg 80 arranged in each terminals, grounding leg 80 the inner intersects vertically with corresponding large copper pipe, and it is outside that corresponding terminals are exposed in grounding leg 80 outer end.
In the present case, main three the part compositions of copper shell, be respectively left copper pipe 10, right copper pipe 50 and the flame retardant epoxy insulating part 60 for connecting left copper pipe 10, right copper pipe 50, in use, first left copper pipe 10 and right copper pipe 50 are each passed through two power cable ends to be connected, are carrying out cable connection and after insulating, left copper pipe 10 be connected with right copper pipe 50.
This 110kV flame retardant epoxy type insulated copper shell in an initial condition, overall construction design rationally and compact in design, power cable junction and external environment completely cut off by copper shell, improve cable safety in utilization, the obtained flame retardant epoxy insulating part 60 of fire retardant plastic material is adopted to coordinate closely with each housing, ensure that the sealing property of copper shell, its electrical insulation properties is stablized, ensure that the reliability of power cable work.
It should be added that: the flame retardant epoxy insulating part 60 in this case is obtained by fire retardant plastic material.Fire proofing be can suppress or retardation burning and oneself and be not easy burn material; fire-retardant protection effect can also be further increased under the prerequisite that ensure that insulation property; flame retardant epoxy insulating part 60 is made to be connected closely with each housing; greatly improve the electrical insulation properties of copper shell; according to actual needs, fire retardant plastic material can be replaced with insulating material.
This copper shell is arranged on single-core cable joint, and its encapsulating mouth is used for inner space insulating material (as waterproof insulation glue) being poured into copper shell, with attached cable transition joint and copper shell.And terminals are for connecting earth connection and earth connection being connected nigh earth electrode, ensure stability and the reliability of work.
In utility model; this 110kV flame retardant epoxy type insulated copper shell is particularly useful for 110kV single-core crosslinked polyethylene insulation metal sheath intermediate joint of electric cable; have and to connect high-tension cable metal sheath or the effect of segmentation, this copper shell also has transition joint is played to electric insulation, to be connected and the effect of mechanical protection to external seal, over the ground.
When this 110kV flame retardant epoxy type insulated copper shell is installed, can fluid sealant be poured into a mould, cable trough can be directly installed on interior or direct buried, fiberglass waterproof case also can be coordinated to use together, more preferably result of use can be reached.
In addition, grounding leg 80 reasonable in design in this case, adopts flat grounding leg 80, and it is more accurate to dock with the external world, fixing more reliable; Grounding leg 80 while connect with corresponding large copper pipe, another side, for connecting earth connection, makes cable reliable operation; Further, the opening of preferred left terminals 31 and right terminals 32, towards consistent, is arranged so that buried towards consistent terminals and connection work is convenient.
Convenient and reliable for making grounding leg 80 be connected with earth connection, one end that preferred grounding leg 80 exposes corresponding terminals offers connecting hole 81, ensure that the reliability of work.
Preferably, for making copper pipe shield effectiveness better, arranging each little copper pipe and all arranging in syllogic, one section near corresponding large copper pipe and one section away from corresponding large copper pipe is all arranged in closing in, and middle one section is arranged in cylinder.
For making encapsulating work convenient, efficient, preferred left encapsulating mouth 111 and right encapsulating mouth 511 are all set to square through hole, and on each encapsulating mouth, be all movably installed with the encapsulating lid can closing corresponding encapsulating mouth.Encapsulating lid ensure that sealing also plays the effects such as dust-tight.
As preferably, the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.There is identical shield effectiveness in the space that the structural design of identical wall thickness makes each copper pipe be formed, ensure that electrical insulation properties, favourable to the shielding at whole cable joint position; The vibrational power flow that outer field insulating barrier is thicker then improves shield effectiveness further, ensure that cable working stability.
Preferably, the lateral surface of flame retardant epoxy insulating part 60, left copper sheathing flange 21, right copper sheathing flange 22 three flushes, each copper sheathing flange is all connected by bolt 90 and flame retardant epoxy insulating part 60, and two end faces of flame retardant epoxy insulating part 60 are provided with sealing ring 100 with also sealing respectively between corresponding copper sheathing flange.
Such vibrational power flow, improves the effect that is tightly connected between two housings further, ensure that the electrical insulation properties of copper shell, and all parts dismounting also facilitates.
As further improvement, in preferred this case, each insulating barrier all adopts rotational molding technique to make, easy to process, insulating barrier is connected more reliable with copper pipe.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (7)
1. a 110kV flame retardant epoxy type insulated copper shell, is characterized in that: comprising:
Left copper pipe, be made up of the first copper pipe be connected as a single entity and the first little copper pipe, the diameter of described first copper pipe is greater than the diameter of the first little copper pipe, described first copper pipe is sealed and installed with left copper sheathing flange away from one end of the first little copper pipe, the left encapsulating mouth that described first copper pipe one middle side part is provided with left terminals and arranges near left copper sheathing flange;
Left insulating barrier, in the circumferential lateral surface being sealed and coated on left copper pipe and described left encapsulating mouth through left insulating barrier;
Right copper pipe, be made up of the second largest copper pipe be connected as a single entity and the second little copper pipe, the diameter of described second largest copper pipe is greater than the diameter of the second little copper pipe, described second largest copper pipe is sealed and installed with away from one end of the second little copper pipe the right copper sheathing flange be oppositely arranged with left copper sheathing flange, the right encapsulating mouth that described second largest copper pipe one middle side part is provided with right terminals and arranges near right copper sheathing flange, described right terminals and left terminals homonymy are arranged;
Right insulating barrier, in the circumferential lateral surface being sealed and coated on right copper pipe and described right encapsulating mouth through right insulating barrier;
Flame retardant epoxy insulating part, arranges ringwise and is made up of fire retardant plastic material, and described flame retardant epoxy insulating part is arranged between left copper sheathing flange and right copper sheathing flange and three is tightly connected;
All be provided with in the dull and stereotyped grounding leg arranged in each terminals, described grounding leg the inner intersects vertically with corresponding large copper pipe, and it is outside that corresponding terminals are exposed in described grounding leg outer end.
2. 110kV flame retardant epoxy type insulated copper shell according to claim 1, is characterized in that: one end that described grounding leg exposes corresponding terminals offers connecting hole.
3. 110kV flame retardant epoxy type insulated copper shell according to claim 1 and 2, it is characterized in that: each little copper pipe is all arranged in syllogic, one section near corresponding large copper pipe and one section away from corresponding large copper pipe is all arranged in closing in, and middle one section is arranged in cylinder.
4. 110kV flame retardant epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: described left encapsulating mouth and right encapsulating mouth are all set to square through hole, and on each encapsulating mouth, be all movably installed with the encapsulating lid can closing corresponding encapsulating mouth.
5. 110kV flame retardant epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: the wall thickness of each large copper pipe is identical with the wall thickness of each little copper pipe, and the wall thickness of each insulating barrier is identical, and the wall thickness of large copper pipe is less than the wall thickness of insulating barrier.
6. 110kV flame retardant epoxy type insulated copper shell according to claim 1 and 2, it is characterized in that: the lateral surface of described flame retardant epoxy insulating part, left copper sheathing flange, right copper sheathing flange three flushes, each copper sheathing flange is all connected by bolt and flame retardant epoxy insulating part, and two end faces of described flame retardant epoxy insulating part are provided with sealing ring with also sealing respectively between corresponding copper sheathing flange.
7. 110kV flame retardant epoxy type insulated copper shell according to claim 1 and 2, is characterized in that: each insulating barrier all adopts rotational molding technique to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727058.6U CN204928069U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of fire -retardant epoxy type of 110kV |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520727058.6U CN204928069U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of fire -retardant epoxy type of 110kV |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204928069U true CN204928069U (en) | 2015-12-30 |
Family
ID=54977167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520727058.6U Active CN204928069U (en) | 2015-09-18 | 2015-09-18 | Insulating copper shell of fire -retardant epoxy type of 110kV |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204928069U (en) |
-
2015
- 2015-09-18 CN CN201520727058.6U patent/CN204928069U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106953245B (en) | Waterproof cover, power supply unit and assembly method | |
| CN201075655Y (en) | Integral prefabricated type middle joint | |
| CN201051644Y (en) | 3X630A underground installation separable single-phase cable three-branch connector box | |
| CN103401206A (en) | Quick cable joint | |
| CN203352080U (en) | Cable splitter | |
| CN204947562U (en) | 110kV epoxy type insulated copper shell | |
| CN201556921U (en) | Cable insulating connector structure | |
| CN204928069U (en) | Insulating copper shell of fire -retardant epoxy type of 110kV | |
| CN206206364U (en) | Stud via seal joint | |
| CN210607837U (en) | High-pressure water-tight electric connector | |
| CN202512915U (en) | Insulation tube type bus with branches realized by middle connector | |
| CN204928072U (en) | 110kV straight joint copper shell | |
| CN204928070U (en) | Insulating copper shell of 220kV epoxy type | |
| CN205790741U (en) | A kind of cable connection assembly | |
| CN103311705B (en) | Reinforced rubber filling type sealing T connecting terminal | |
| CN201732924U (en) | Electric device connected with locomotive traction motor | |
| CN109936096A (en) | A kind of high-voltage transmission equipment rain-proof terminal box | |
| CN204376360U (en) | A kind of armoured flame-proof type stainless steel cable joint with water-proof function | |
| CN207319818U (en) | One kind insulation high fire-retardance bus insulating bush | |
| CN2891427Y (en) | Adapter body | |
| CN204927546U (en) | Glass steel shell | |
| CN204167826U (en) | A kind of anti-explosion terminal box being conducive to wiring efficiency | |
| CN209375105U (en) | A kind of fire-proof and explosion-proof connector of cable shielding layer earthing | |
| CN203415938U (en) | Low voltage cable connection structure in nuclear power shell | |
| CN208874263U (en) | A kind of high-voltage cable middle joint protecting crust that screw rod is reinforced |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 315137 Zhejiang province Ningbo City Yunlong Industrial Zone Yinzhou District Yunlong Town Cloud Hui Lu No. 211 Patentee after: Ningbo East power Polytron Technologies Inc Address before: 315137 Zhejiang province Ningbo City Yunlong Industrial Zone Yinzhou District Yunlong Town Cloud Hui Lu No. 211 Patentee before: NINGBO JOHOST CABLE ACCESSORIES CO., LTD. |