CN208208435U - A kind of compound cross-arm polymerization crystal silicon insulator - Google Patents
A kind of compound cross-arm polymerization crystal silicon insulator Download PDFInfo
- Publication number
- CN208208435U CN208208435U CN201820920396.5U CN201820920396U CN208208435U CN 208208435 U CN208208435 U CN 208208435U CN 201820920396 U CN201820920396 U CN 201820920396U CN 208208435 U CN208208435 U CN 208208435U
- Authority
- CN
- China
- Prior art keywords
- cross
- crystal silicon
- arm
- silicon insulator
- fitting
- 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
Abstract
The utility model discloses a kind of compound cross-arms to polymerize crystal silicon insulator, it include integrally formed upper cross-arm fitting head, cross-arm fitting neck and upper cross-arm fitting ontology including polymerizeing crystal silicon insulator body, the upper cross-arm fitting of polymerization crystal silicon insulator body upper end being arranged in and upper cross-arm fitting described in the lower cross-arm fitting of polymerization crystal silicon insulator body lower end is arranged in, cross-arm fitting exterior is provided with the first groove that cable is set for card.By the way that upper end metal cross arm neck is transformed, it is possible to reduce the friction between conducting wire and cross-arm is effectively protected the complete of conductive line surfaces and preferably bears wire weight, prevents insulator because of the insulation fault that wind pendulum causes fracture to occur.
Description
Technical field
The utility model relates to a kind of compound cross-arms to polymerize crystal silicon insulator.
Background technique
Composite cross-arm insulator is composite insulator one kind, for keeping the level between conducting wire and steel tower or conducting wire absolutely
Edge distance is mainly used for overhead transmission line terminal tap cable downlead and fixes, with occasions such as tower transposed conductor fixations.In recent years,
Numerous studies are carried out to composite insulator both at home and abroad, these researchs are mainly for composite insulator electrical characteristic, material aging machine
Reason, operational monitoring technology etc..The study found that composite cross-arm insulator is also gradually sudden and violent in operation with the extension of runing time
Expose the following problem: (1) being primarily subjected to bend loading when composite cross-arm insulator is run, is held with pendency and strain insulator
There is very big difference in the mode of Tensile load, since the particularity of its working environment is not only longitudinally subject biggish pressure
Power, and laterally subject conducting wire shearing force caused by it.Traditional cross-arm is some because defect existing for structure causes insulation horizontal
Load is broken.(2) in the sky due to the effect of wind-force, conducting wire can occur to rub for a long time line cord with cross-arm contact surface,
Cause damage partial cables in cable outside exposed, can if things go on like this cause a hidden trouble to the operation of power grid.
Summary of the invention
The purpose of this utility model is to provide a kind of compound cross-arms to polymerize crystal silicon insulator, and solution is insulated in the prior art
The technical issues of friction causes electric wire, cross-arm to damage between sub- cross-arm and cable, easy fracture.
In order to solve the above-mentioned technical problem the utility model, adopts the following technical scheme that
A kind of compound cross-arm polymerization crystal silicon insulator, including polymerization crystal silicon insulator body, setting are in polymerization crystal silicon insulation
The upper cross-arm fitting of sub- ontology upper end and upper cross-arm gold described in the lower cross-arm fitting that polymerization crystal silicon insulator body lower end is set
Tool includes integrally formed upper cross-arm fitting head, cross-arm fitting neck and upper cross-arm fitting ontology, cross-arm fitting neck appearance
Face is provided with the first groove that cable is set for card.
By the way that the first groove is arranged in cross-arm fitting exterior, cable is fastened in the first groove, with tradition cross
Load matches compared to upper cross-arm fitting neck with cable radian, and neck is contact of the face with face with wire external diameter, relative to before
Cross-arm fitting is point-to-point, and more preferably cable can tighten together with insulator, improves overall stability.Even if line cord is in sky
In shaken due to the effect of wind-force, and swung together with insulator, the opposite amplitude shaken of cable cross and load fitting
It greatly reduces, reduces the friction between cable and cross-arm fitting, then cable and cross-arm fitting are not easy to be worn, be broken, effectively
Transmission line of electricity is protected, security performance and service life are improved.
It is further improved, first groove is the annular groove circumferentially opened up along cross-arm fitting exterior.
It being further improved, first groove is two two direct through groove for being provided with cross-arm fitting exterior, two
A direct through groove about by polymerization crystal silicon insulator body axis plane be arranged symmetrically, and the length direction of direct through groove with polymerize
Crystal silicon insulator body axis is vertical.
It is further improved, the outer surface of the upper cross-arm fitting and lower cross-arm fitting has zinc coat, and galvanized layer thickness is big
In 100 μm.The protection of Coating process multilayer, improves antiseptic property, increases service life.
It is further improved, the bottom surface of first groove is arc surface, closes with the plane tangent of cable, reduces friction.The
One groove shapes size is adjustable according to cable diameter design, and recess diameter is matched with cable diameter.
It is further improved, the bottom of the upper cross-arm fitting ontology offers cavity, upper cross-arm fitting ontology lower end appearance
Face circumferentially offers the second groove, and the top of polymerization crystal silicon insulator body has annular flange, when polymerization crystal silicon insulator
When ontology is in conjunction with upper cross-arm fitting, the cavity of the bottom of upper cross-arm fitting ontology is inserted into the upper end of polymerization crystal silicon insulator body
In, while annular flange wraps the lower end of polymerization crystal silicon insulator body, and is caught in the second groove, good seal performance, solves
The electrical breakdown problem of insulation sub-interface of having determined.
It is further improved, the polymerization crystal silicon full skirt that the polymerization crystal silicon insulator body includes plug and is set on plug
Sheath.It is crimped and is integrally formed with plug by numerical control press-connection machine crimping cross-arm fitting.Then by the plug crimped and cross-arm
Fitting is placed in insulator mold, then infuses the polymerization crystal silicon material of melting under 200 DEG C of high temperature and 150Mpa pressure
Enter in mold, forms sheath full skirt after pressure maintaining is cooling with plug and fitting perfect combination formation cross-arm and polymerize crystal silicon insulation
Son.
Compared with prior art, the utility model has the beneficial effects that
By to upper end metal cross arm neck be transformed, conducting wire can be fixed, in the case that violent wind pendulum reduce conducting wire with
Friction between cross-arm is effectively protected the complete of conductive line surfaces and preferably bears wire weight, prevent insulator because
The insulation fault that wind pendulum causes fracture to occur
Detailed description of the invention
Fig. 1 is the structural schematic diagram that compound cross-arm polymerize crystal silicon insulator.
Fig. 2 is the perspective view of upper cross-arm fitting in embodiment one.
Fig. 3 is the left view of Fig. 2.
Fig. 4 is the perspective view of upper cross-arm fitting in embodiment two.
Specific embodiment
To keep the purpose of this utility model and technical solution clearer, below in conjunction with the utility model embodiment to this
The technical solution of utility model is clearly and completely described.
Embodiment one:
As shown in Figure 1-3, a kind of compound cross-arm polymerize crystal silicon insulator, including polymerization crystal silicon insulator body 4, setting exist
It polymerize the upper cross-arm fitting of 4 upper end of crystal silicon insulator body and the lower cross-arm gold of polymerization 4 lower end of crystal silicon insulator body is set
Having the 7 upper cross-arm fittings includes integrally formed upper cross-arm fitting head 1, cross-arm fitting neck 2 and upper cross-arm fitting ontology
3,2 outer surface of cross-arm fitting neck is provided with the first groove 8 that cable is set for card.
By the way that the first groove 8 is arranged in 2 outer surface of cross-arm fitting neck, cable is fastened in the first groove 8, with tradition
Cross-arm matches compared to upper cross-arm fitting neck with cable radian, and neck is contact of the face with face with wire external diameter, relative to it
Preceding cross-arm fitting is point-to-point, and more preferably cable can tighten together with insulator, improves overall stability.Even if line cord exists
It in the air since the effect of wind-force shakes, and is swung together with insulator, the opposite width shaken of cable cross and load fitting
Degree greatly reduces, and reduces the friction between cable and cross-arm fitting, then cable and cross-arm fitting are not easy to be worn, be broken, and have
Effect protection transmission line of electricity, improves security performance and service life.
In the present embodiment, first groove 8 is the annular groove circumferentially opened up along 2 outer surface of cross-arm fitting neck.
In the present embodiment, the outer surface of the upper cross-arm fitting and lower cross-arm fitting 7 has zinc coat, galvanized layer thickness
Greater than 100 μm.The protection of Coating process multilayer, improves antiseptic property, increases service life.
In the present embodiment, the bottom surface of first groove is arc surface, closes with the plane tangent of cable, reduces friction.
First groove shapes size is adjustable according to cable diameter design, and recess diameter is matched with cable diameter.
In the present embodiment, the bottom of the upper cross-arm fitting ontology 3 offers cavity, upper 3 lower end of cross-arm fitting ontology
Outer surface circumferentially offers the second groove, and the top of polymerization crystal silicon insulator body has annular flange 6, when polymerization crystal silicon is exhausted
When edge ontology is in conjunction with upper cross-arm fitting, the bottom of upper cross-arm fitting ontology 3 is inserted into the upper end of polymerization crystal silicon insulator body
Cavity in, while annular flange 6 wraps the lower end of polymerization crystal silicon insulator body, and is caught in 5 in the second groove, leakproofness
Can be good, solve the insulation electrical breakdown problem of sub-interface.
In the present embodiment, the polymerization crystal silicon insulator body 4 includes plug and the polymerization crystal silicon being set on plug
Umbrella sheath.It is crimped and is integrally formed with plug by numerical control press-connection machine crimping cross-arm fitting.So then by plug crimp with
Cross-arm fitting is placed in insulator mold, then by the polymerization crystal silicon material of melting under 200 DEG C of high temperature and 150Mpa pressure
In material injection mold, sheath full skirt is formed after pressure maintaining is cooling, and with plug and fitting perfect combination formation cross-arm to polymerize crystal silicon exhausted
Edge.
Embodiment two:
In the present embodiment, first groove is two two direct through groove for being provided with 2 outer surface of cross-arm fitting neck,
Two direct through groove are arranged symmetrically about the plane by polymerization crystal silicon insulator body axis, and the length direction of direct through groove and poly-
Synthetic silicon insulator body axis is vertical, as shown in Figure 4.Other parts are identical with embodiment one.
Do not done in the utility model illustrate be the prior art or can be realized by the prior art, Er Qieben
Specific implementation case described in utility model is only the preferable case study on implementation of the utility model, is not used to limit practical
Novel practical range.Equivalent changes and modifications made by i.e. all contents according to present utility model application the scope of the patents, should all make
For the technology scope of the utility model.
Claims (7)
1. a kind of compound cross-arm polymerize crystal silicon insulator, which is characterized in that exist including polymerization crystal silicon insulator body (4), setting
The upper cross-arm fitting for polymerizeing crystal silicon insulator body (4) upper end and setting are in the lower cross for polymerizeing crystal silicon insulator body (4) lower end
It carries on a shoulder pole fitting (7)；
The upper cross-arm fitting includes integrally formed upper cross-arm fitting head (1), cross-arm fitting neck (2) and upper cross-arm fitting
Ontology (3), cross-arm fitting neck (2) outer surface are provided with the first groove that cable is set for card.
2. compound cross-arm according to claim 1 polymerize crystal silicon insulator, which is characterized in that first groove is along cross
The annular groove that load fitting neck (2) outer surface circumferentially opens up.
3. compound cross-arm according to claim 1 polymerize crystal silicon insulator, which is characterized in that first groove is two
Two direct through groove of cross-arm fitting neck (2) outer surface are provided with, two direct through groove are about by polymerizeing crystal silicon insulator body
The plane of axis is arranged symmetrically, and the length direction of direct through groove with to polymerize crystal silicon insulator body axis vertical.
4. compound cross-arm according to claim 2 or 3 polymerize crystal silicon insulator, which is characterized in that the upper cross-arm fitting
There is zinc coat with the outer surface of lower cross-arm fitting (7), galvanized layer thickness is greater than 100 μm.
5. compound cross-arm according to claim 4 polymerize crystal silicon insulator, which is characterized in that the bottom surface of first groove
For arc surface.
6. compound cross-arm according to claim 5 polymerize crystal silicon insulator, which is characterized in that the upper cross-arm fitting ontology
(3) bottom offers cavity, and upper cross-arm fitting ontology (3) lower end outer surface circumferentially offers the second groove.
7. compound cross-arm according to claim 6 polymerize crystal silicon insulator, which is characterized in that the polymerization crystal silicon insulator
Ontology (4) includes plug and the polymerization crystal silicon umbrella sheath that is set on plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920396.5U CN208208435U (en) | 2018-06-13 | 2018-06-13 | A kind of compound cross-arm polymerization crystal silicon insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820920396.5U CN208208435U (en) | 2018-06-13 | 2018-06-13 | A kind of compound cross-arm polymerization crystal silicon insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208435U true CN208208435U (en) | 2018-12-07 |
Family
ID=64497030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820920396.5U Active CN208208435U (en) | 2018-06-13 | 2018-06-13 | A kind of compound cross-arm polymerization crystal silicon insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208435U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379573A (en) * | 2019-08-06 | 2019-10-25 | 萍乡市环宇电瓷厂 | A kind of ceramic insulator |
-
2018
- 2018-06-13 CN CN201820920396.5U patent/CN208208435U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110379573A (en) * | 2019-08-06 | 2019-10-25 | 萍乡市环宇电瓷厂 | A kind of ceramic insulator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103700452B (en) | Corona loss and Electromagnetic Interference and the insulator of raising gold utensil efficiency of preservation can be reduced | |
| CN208208435U (en) | A kind of compound cross-arm polymerization crystal silicon insulator | |
| CN205645380U (en) | Open -air corrosion -resistant tension cable of environmental protection temperature resistant for engineer operation | |
| CN203276949U (en) | Mining aluminium alloy conductor-contained crosslinking polyethylene insulated power cable with rated voltage of 8.7 KV or 10 KV and under | |
| CN204967216U (en) | Power cable intermediate head sealing device | |
| CN207926152U (en) | A kind of prefabricated terminal instant sealing device | |
| CN213304475U (en) | Cable with cable protection device | |
| CN115083669A (en) | Three-core cable with triangular cross section for electric power | |
| CN206210432U (en) | A kind of flexible cable of composite isolated coating | |
| CN205723018U (en) | Lightning protection pillar insulator | |
| CN213366166U (en) | Photovoltaic cable with good waterproof effect | |
| CN205811469U (en) | A kind of high-voltage wall bushing of three element structures | |
| CN202523492U (en) | Composite insulator | |
| CN210778009U (en) | Low-smoke halogen-free flame-retardant double-layer co-extrusion insulation irradiation crosslinked cable | |
| CN210467413U (en) | Non-magnetic material armored cross-linked polyethylene insulated power cable | |
| CN206194397U (en) | Cable of resistant electric arc of resistant corona | |
| CN204087907U (en) | Water resistant tree aluminium alloy conductor medium-pressure power cable | |
| CN201629187U (en) | Lightning prevention insulator of power transmission lines | |
| CN106448842A (en) | Insulating aerial cable made from coreless material | |
| CN209456788U (en) | A kind of weather-proof anti-corrosion type insulation steel twisted wire | |
| CN207690575U (en) | A kind of composite rod insulator | |
| CN207503673U (en) | A kind of Compression-resistincable cable | |
| CN205544165U (en) | Cold -contraction cable terminal | |
| CN205303028U (en) | Compound crosslinked power cable of optic fibre | |
| CN219610089U (en) | High temperature resistant motor lead-out wire and motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |