CN209603585U - A kind of route cross-arm - Google Patents
A kind of route cross-arm Download PDFInfo
- Publication number
- CN209603585U CN209603585U CN201821328039.6U CN201821328039U CN209603585U CN 209603585 U CN209603585 U CN 209603585U CN 201821328039 U CN201821328039 U CN 201821328039U CN 209603585 U CN209603585 U CN 209603585U
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- fixing sleeve
- insulation
- protective case
- arm
- fixed
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Abstract
The utility model relates to insulator arrangements of transmitting electricity; disclose a kind of route cross-arm; including insulation mandrel, it is set in insulation sleeve and the full skirt being arranged on insulation sleeve on insulation mandrel; the insulation sleeve includes fixing sleeve and the protective case that the fixing sleeve two sides are arranged in; the full skirt is arranged on the side side wall of protective case, is provided on the fixing sleeve for the connecting plate fixed with power transmission rod.The utility model has the following advantages that and effect: this programme utilizes new mechanical structure, cross-arm and power transmission rod are fixed by connecting plate, it does not need to punch on cross-arm and insulation mandrel when installation, it is fixed by fixing sleeve and power transmission rod, reduce a possibility that rainwater is flow at insulation mandrel, a possibility that preventing insulation mandrel to be corroded, reducing cross-arm fracture.
Description
Technical field
The utility model relates to insulator arrangement of transmitting electricity, in particular to a kind of route cross-arm.
Background technique
In field of electrical equipment, cross-arm used for transmission line is the important matched structural of power transmission rod, for support conducting wire,
Lightning conducter etc., and be allowed to keep certain safe distance by regulation.It is wide in 35kV and the transmission line of electricity of following voltage class at present
General mostly iron cross arm, steel cross-arm etc. metal cross arms, metal cross arm quality weight, the poor insulativity used easily causes flashover problem.
In order to solve the above problem of metal cross arm, the Chinese invention of Publication No. CN106088785A discloses a kind of multiple
Cross-arm and power transmission rod are closed, wherein compound cross-arm includes ontology and insulating layer, the intermediate position of compound cross-arm and the body of rod of power transmission rod
It is mutually fixedly connected, the mode being fixedly connected is punched on compound cross-arm, is fixed the compound cross-arm using anchor ear and fastener
On power transmission rod, but after punching on compound cross-arm, for cross-arm for a long time after exposure in air, rainwater will through hole stream
Enter, rainwater will corrode ontology after long-time, lead to ontology aging, and cross-arm has a possibility that fracture.
Utility model content
The purpose of the utility model is to provide a kind of route cross-arm, a possibility that reducing raindrop erosion insulation mandrel, prevent
Cross-arm fracture.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of route cross-arm, packet
It includes insulation mandrel, be set in insulation sleeve and the full skirt being arranged on insulation sleeve on insulation mandrel, the insulation sleeve includes fixing
The protective case of the fixing sleeve two sides is covered and is arranged in, the full skirt is arranged on the side side wall of protective case, the fixing sleeve
On be provided with for the connecting plate fixed with power transmission rod.
First fixing sleeve is set on insulation mandrel, then fixing sleeve is distinguished when cross-arm is installed by using above scheme
Fixing sleeve two sides are set in, then cross-arm and power transmission rod are fixed by connecting plate, when installation does not need in cross-arm and insulation
It punches on plug, is fixed by fixing sleeve and power transmission rod, reduce a possibility that rainwater is flow at insulation mandrel, prevent from insulating
A possibility that plug is corroded, and reduces cross-arm fracture.
The utility model is further arranged to: the protective case be provided on the side side wall of fixing sleeve one end to
Few two fixture blocks, the fixing sleeve are provided with the card slot for fixture block insertion close to one end of protective case, and the fixture block passes through
Fixed structure is fixed in card slot.
By using above scheme, when protective case is installed to fixing sleeve both ends, fixture block will be embedded in card slot, be passed through
Fixture block is fixed in card slot by fixed structure, guarantees the bonding strength before fixing sleeve and protective case, prevents from connecting before the two
Rainwater is flow at insulation mandrel after place loosens.
The utility model is further arranged to: the fixed structure include the sliding slot being provided on the card slot inner wall,
The fixation ball being connected in sliding slot is slid, is provided on fixture block and is separately fixed at for the fixing groove and both ends of fixed ball insertion
Spring on sliding slot bottom and fixed ball.
By using above scheme, when fixture block is embedded in card slot, the side wall of fixture block will be contradicted with fixed ball, so that
Fixed ball is embedded in sliding slot, and the after-contraction of spring compression at this time；When fixing groove is located at fixed ball, fixed ball is in spring
It is embedded in fixing groove under effect, so that fixture block is fixed in card slot.
The utility model is further arranged to: the both ends of the fixing sleeve are provided with for coating the protective case one
The flange at end is coated with sealant between the flange inner wall and protective case outer wall.
By using above scheme, flange can block the gap between fixing sleeve and protective case, prevent rainwater from passing through gap
It flow on insulation mandrel, reduces a possibility that insulation mandrel is corroded；And sealant can further enhance flange inner wall and protection
Cover the leakproofness between outer wall.
The utility model is further arranged to: fixing sleeve both ends inner wall offers seal groove, the seal groove
In be embedded with sealing ring.
A possibility that if insulation mandrel is corroded, insulation mandrel both ends are larger by pulling force, and intermediate position is broken highest.Pass through
Using the above scheme, the sealing ring that fixing sleeve both ends are set can be more preferable prevent rainwater from flowing to insulation mandrel middle part, reduce
A possibility that being broken after insulation mandrel long-time use.
The utility model is further arranged to: the connecting plate on one end of fixing sleeve far from being provided with for will connect
Plate is fixed on the U-shaped anchor ear on power transmission rod, and the connecting plate is additionally provided with far from one end of fixing sleeve for contradicting in power transmission rod
On arc panel.
By using above scheme, when connection, connecting plate is pushed against on the circumferential side wall of power transmission rod by U-shaped anchor ear, at this time
Arc panel will be also pushed against on power transmission rod, and deformation after arc panel will be pressurized, arc panel screen resilience will enable arc panel preferable
Ground is bonded power transmission rod, and cross-arm is relatively firmly secured on power transmission rod.
The utility model is further arranged to: being provided with stiffener plate between the connecting plate and fixing sleeve.
By using above scheme, after cross-arm is mounted on power transmission rod, stiffener plate can increase fixing sleeve and connecting plate it
Between bonding strength, improve the mounting stability between cross-arm and power transmission rod, connecting plate and fixing sleeve prevented to be broken before
A possibility that cross-arm is fallen afterwards.
The utility model is further arranged to: the insulation mandrel section is the rectangle of 42mm × 62mm, the fixation
The inner wall shape of set and protective case cooperates with the insulation mandrel section.
By using above scheme, section is that the insulation mandrel of rectangle can be bonded well with insulation sleeve inner wall, prevents from pacifying
Insulation mandrel rotates in insulation sleeve after dress, improves the installation effect of cross-arm.
In conclusion the utility model has the following beneficial effects:
1. such cross-arm be power transmission rod connection, not punched on cross-arm and insulation mandrel, by connecting plate with it is defeated
Electric pole is attached, and reduces a possibility that rainwater is flow on insulation mandrel, is prevented insulation mandrel by raindrop erosion, is prevented cross-arm
Fracture；
2. leading to fixed structure between protective case and fixing sleeve to be attached, the company between fixing sleeve and protective case is improved
It connects firmness, and a possibility that flange and sealing ring can further decrease raindrop erosion insulation mandrel, cross-arm is prevented to be broken.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
Fig. 2 is the structural schematic diagram of another angle of the utility model, for showing arc panel；
Fig. 3 is the structural schematic diagram of protective case；
Fig. 4 is the portion A enlarged drawing in Fig. 3；
Fig. 5 is the structural schematic diagram of fixing sleeve；
Fig. 6 is to hide the cross-sectional view after connecting plate in Fig. 5 at A-A, for showing fixed structure.
Appended drawing reference: 100, insulation mandrel；200, insulation sleeve；210, fixing sleeve；211, connecting plate；212, U-shaped anchor ear；
213, stiffener plate；214, arc panel；215, card slot；216, flange；217, seal groove；218, sealing ring；220, protective case；
221, full skirt；222, fixture block；300, fixed structure；310, sliding slot；320, fixed ball；330, fixing groove；340, spring.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
A kind of route cross-arm, referring to Fig.1, including insulation mandrel 100, the insulation sleeve being set on insulation mandrel 100 200 with
And the full skirt 221 on insulation sleeve 200 is set.The section of insulation mandrel 100 is the rectangle of 42mm × 62mm, and insulation mandrel
100 are made of glass fibre.
Referring to Fig.1, Fig. 2, insulation sleeve 200 include fixing sleeve 210 and protective case 220, and fixing sleeve 210 is set in insulation mandrel
100 middle parts, are welded with connecting plate 211 on the side wall of fixing sleeve 210, and connecting plate 211 is bolted that there are two U-shaped anchor ears
212, stiffener plate 213 is welded between connecting plate 211 and fixing sleeve 210.Simultaneously connecting plate 211 far from fixing sleeve 210 one
Arc panel 214 is welded on side.When connecting plate 211 and power transmission rod are fixed, so that arc panel 214 is bonded with power transmission rod,
Two U-shaped anchor ears 212 are then mounted on to the two sides of connecting plate 211 along the length direction of power transmission rod, are carried out finally by bolt
It is fixed.
Protective case 220 is set in the two sides on insulation mandrel 100 and being located at fixing sleeve 210, one end insertion of protective case 220
In fixing sleeve 210, full skirt 221 is disposed in an evenly spaced relation in the side side wall of protective case 220 along the length direction of protective case 220,
Full skirt 221 is made of silicon rubber.
Referring to Fig. 3, Fig. 5, it is wholely set on the side side wall of protective case 220 there are two fixture block 222, and fixing sleeve 210
The card slot 215 being embedded in for fixture block 222 is offered on the inner wall of both ends, fixture block 222 is fixed on card slot 215 by fixed structure 300
In.
Referring to Fig. 4, Fig. 6, fixed structure 300 includes sliding slot 310, fixed ball 320, fixing groove 330 and spring 340, is slided
Slot 310 is provided on the inner wall of card slot 215 and is located at 222 two sides of fixture block, and the length direction of sliding slot 310 is perpendicular to fixing sleeve 210
Length direction.The fixed sliding of ball 320 is connected in sliding slot 310, and one end of spring 340 is welded on 310 bottom of sliding slot, the other end
It is welded on fixed ball 320, fixing groove 330 is provided with the two sides of fixture block 222.
When one end of protective case 220 is embedded in fixing sleeve 210, fixture block 222 will be embedded in card slot 215, at this time
The side wall of fixture block 222 will be contradicted with fixed ball 320, so that fixed ball 320 stretches in sliding slot 310, spring 340 is shunk at this time
Deformation；When fixture block 222 continues to be embedded in card slot 215, when fixing groove 330 is moved at fixed ball 320, spring 340 is sprung back
When fixed ball 320 can be driven to be embedded in fixing groove 330, so that fixture block 222 is fixed in card slot 215.
Referring to Fig. 5, the both ends of protective case 220 are integrally provided with flange 216, when protective case 220 is embedded in fixing sleeve 210
When middle, the top of both flange 216 will be located at junction, and in the gap between 220 outer wall of 216 inner wall of flange and protective case
It is coated with sealant.Seal groove 217 is offered on the inner wall at 220 both ends of protective case simultaneously, is embedded with sealing ring in seal groove 217
218, sealing ring 218 will contradict on 100 side wall of insulation mandrel.
Principle: when installation cross-arm, first fixing sleeve 210 is set on the middle part of insulation mandrel 100, then by protective case
220 are set in 100 both ends of insulation mandrel, so that fixture block 222 is embedded in card slot 215, fixed ball 320 is embedded in fixing groove 330
In after so that fixture block 222 is fixed in card slot 215, so that set 210 and protective case 220 are connected and fixed, then in flange 216
Sealant is coated in gap between 220 outer wall of wall and protective case.
Then arc panel 214 is fitted on power transmission rod outer wall, then U-shaped anchor ear 212 is fixed on connecting plate 211,
So that U-shaped anchor ear 212 pushes against power transmission rod with connecting plate 211, so that cross-arm is mounted on power transmission rod.
Such cross-arm during installation, is not required to punch on cross-arm and insulation mandrel 100, passes through connecting plate 211 and fixing sleeve
210 just can be better secured on power transmission rod, and when so that cross-arm being exposed in rainwater, rainwater will not be flow on insulation mandrel 100,
Reduce a possibility that insulation mandrel 100 is corroded, cross-arm is prevented to be broken.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (4)
1. a kind of route cross-arm, including insulation mandrel (100), it is set in insulation sleeve (200) and setting on insulation mandrel (100)
Full skirt (221) on insulation sleeve (200), it is characterised in that: the insulation sleeve (200) includes that fixing sleeve (210) and setting exist
The protective case (220) of fixing sleeve (210) two sides, the full skirt (221) are arranged on the side side wall of protective case (220),
It is provided on the fixing sleeve (210) for the connecting plate (211) fixed with power transmission rod；The protective case (220) is close to fixed
It covers and is provided at least two fixture blocks (222) on the side side wall of (210) one end, the fixing sleeve (210) is close to protective case (220)
One end be provided with for the fixture block (222) insertion card slot (215), the fixture block (222) by fixed structure (300) fixation
In card slot (215)；The fixed structure (300) includes the sliding slot (310) being provided on the card slot (215) inner wall, sliding
The fixation ball (320) being connected in sliding slot (310), the fixing groove for being provided on fixture block (222) and being embedded in for fixed ball (320)
(330) and both ends are separately fixed at the spring (340) on sliding slot (310) bottom and fixed ball (320)；The fixing sleeve
(210) both ends are provided with the flange (216) for coating the protective case (220) one end, flange (216) inner wall with
Sealant is coated between protective case (220) outer wall；Fixing sleeve (210) both ends inner wall offers seal groove (217), described
Sealing ring (218) are embedded in seal groove (217).
2. a kind of route cross-arm according to claim 1, it is characterised in that: the connecting plate (211) is far from fixing sleeve
(210) the U-shaped anchor ear (212) for being fixed on connecting plate (211) on power transmission rod, the connecting plate are provided on one end
(211) one end far from fixing sleeve (210) is additionally provided with for contradicting the arc panel (214) on power transmission rod.
3. a kind of route cross-arm according to claim 2, it is characterised in that: the connecting plate (211) and fixing sleeve (210)
Between be provided with stiffener plate (213).
4. a kind of route cross-arm according to claim 1, it is characterised in that: insulation mandrel (100) section is 42mm
The rectangle of × 62mm, the inner wall shape of the fixing sleeve (210) and protective case (220) with the insulation mandrel (100) section
Cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328039.6U CN209603585U (en) | 2018-08-16 | 2018-08-16 | A kind of route cross-arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821328039.6U CN209603585U (en) | 2018-08-16 | 2018-08-16 | A kind of route cross-arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209603585U true CN209603585U (en) | 2019-11-08 |
Family
ID=68393942
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821328039.6U Active CN209603585U (en) | 2018-08-16 | 2018-08-16 | A kind of route cross-arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209603585U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924734A (en) * | 2019-11-11 | 2020-03-27 | 天津送变电工程有限公司 | Special support for large-angle tower crossing and net sealing |
| CN113775233A (en) * | 2021-10-12 | 2021-12-10 | 浙江华保电力科技股份有限公司 | Lightweight easily adorns compound insulating cross arm of formula |
| CN117306936A (en) * | 2023-11-28 | 2023-12-29 | 国网福建省电力有限公司 | High-strength composite structure insulating cross arm |
-
2018
- 2018-08-16 CN CN201821328039.6U patent/CN209603585U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110924734A (en) * | 2019-11-11 | 2020-03-27 | 天津送变电工程有限公司 | Special support for large-angle tower crossing and net sealing |
| CN113775233A (en) * | 2021-10-12 | 2021-12-10 | 浙江华保电力科技股份有限公司 | Lightweight easily adorns compound insulating cross arm of formula |
| CN117306936A (en) * | 2023-11-28 | 2023-12-29 | 国网福建省电力有限公司 | High-strength composite structure insulating cross arm |
| CN117306936B (en) * | 2023-11-28 | 2024-03-12 | 国网福建省电力有限公司 | High-strength composite structure insulating cross arm |
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