CN209494294U - A kind of tubulose composite insulation cross arm of the hollow partitioned compartment type structure of distribution - Google Patents
A kind of tubulose composite insulation cross arm of the hollow partitioned compartment type structure of distribution Download PDFInfo
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- CN209494294U CN209494294U CN201920090534.6U CN201920090534U CN209494294U CN 209494294 U CN209494294 U CN 209494294U CN 201920090534 U CN201920090534 U CN 201920090534U CN 209494294 U CN209494294 U CN 209494294U
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Abstract
The utility model discloses a kind of distribution tubulose composite insulation cross arms of hollow partitioned compartment type structure, belong to the insulator crossarm technical field used on power main line pole tower, cross-arm includes the cross-arm body for including hollow tubular structure, insulation and sealing structure is provided in the hollow structure of cross-arm body, the both ends of cross-arm body are both provided with sealing element, key is: the insulation and sealing structure is the component spacing body arranged along its length in the hollow tubular structure of cross-arm body, by channels separated at one group of closed compartment inside cross-arm body.Water and humid air between adjacent compartment cannot form perforation, accordingly even when rainwater enters in a compartment, can only also rest in the compartment, shift in the adjacent compartment of no normal direction, it is possible to reduce the influence to cross-arm built-in electrical insulation grade, reduce security risk.
Description
Technical field
The utility model belongs to the insulator crossarm technical field used on power main line pole tower, is related to a kind of distribution
With the tubulose composite insulation cross arm of hollow partitioned compartment type structure.
Background technique
Cross-arm is set on electric pole or pylon, and the component of transmission pressure is used to support.Traditional aerial condutor is general
Using angle bar cross-arm.Original angle bar cross-arm is substituted using compound material insulation cross-arm, dry arcing distance increases nearly three times, significantly
It improves relatively with phase insulation spacing, the peak value of resistance to lightning impulse voltage that makes to insulate reaches 350kV, so as to effectively solve line
The generation of road insulated conductor lightning stroke trip and lightning-caused breaking accident.It, can be with after composite insulation cross arm for overhead bare conductor
Bird pest failure is prevented and treated, line powering reliability is improved.And then the overvoltage tolerance level of route is promoted, it reduces because of lightning stroke, salt
The sudden strain of a muscle of route caused by the environmental factors such as mist, filth, icing falls accident.
Currently, practical composite insulation cross arm has two class of solid core and hollow tubulose, solid core cross-arm can be selected in specification limit,
General amount of deflection is big, at high cost.Hollow tubulose class cross-arm, general hollow space use polyurethane foam fills.Due to polyurethane foam
Foam can not stablize the cross-arm interior insulation performance met under wet environment, and the generation for striking back lightning current is the humidity in the rainy day certainly
Environment under acting on while high voltage and high current, will cause the interior insulation breakdown of tubular dielectric cross-arm, to cause to jump
Lock, even line-outage contingency.
Summary of the invention
The utility model in order to overcome the drawbacks of the prior art, devises a kind of tubulose of hollow partitioned compartment type structure of distribution
Composite insulation cross arm can not form perforation, reach the completely insulated of interior insulation, so can because being in sealing state between each compartment
To solve the interior insulation breakdown problem of tubular dielectric cross-arm.
The specific technical solution that the utility model is taken is: a kind of tubulose of the hollow partitioned compartment type structure of distribution is compound absolutely
Edge cross-arm, the cross-arm body including hollow tubular structure are provided with insulation and sealing structure, cross-arm in the hollow structure of cross-arm body
The both ends of ontology are both provided with sealing element, and key is: the insulation and sealing structure is the hollow tubular knot in cross-arm body
The component spacing body arranged along its length in structure, by channels separated at one group of closed compartment inside cross-arm body.
The separator is the peviform structure of one side opening, and the outer wall of peviform structure and the inner wall of cross-arm body closely connect
Touching, the openings of all peviform structures is facing towards the same end of cross-arm body.
It is fixedly arranged above insulator in cross-arm body, is fixed in the middle part of cross-arm body side and connects for being fixed with electric pole
The anchor ear connect, be provided in cross-arm body with the vertically disposed through-hole of its length direction, anchor ear and insulator be all by pass through
The cooperation of the screw rod and nut of through-hole is fixedly connected with cross-arm body, adds sealing multiple tube, and each screw rod is across sealing
Multiple tube is fixedly connected with nut, and sealing multiple tube and cross-arm body sealing are fixed.
The sealing element is the box-like structure for being sleeved on cross-arm body end, and insulator is provided with above sealing element,
The top and bottom of sealing element all offer the via hole for passing through screw rod, and sealing element is connect with cross-arm body mucilage binding.
Fluorosilicone rubber layer or weather-proof resin layer are coated in cross-arm body outer surface.
The beneficial effects of the utility model are: the hollow structure of cross-arm body is separated into using separator multiple independent
Compartment, water and humid air between adjacent compartment cannot form perforation, accordingly even when rainwater enters in a compartment, also can only
It rests in the compartment, is shifted in the adjacent compartment of no normal direction, it is possible to reduce the influence to cross-arm built-in electrical insulation grade, drop
Lower security hidden danger.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the top view of cross-arm body in Fig. 1.
Fig. 3 is the structural schematic diagram of separator in the utility model.
In attached drawing, 1 represents cross-arm body, and 2 represent separator, and 3 represent anchor ear, and 4 represent insulator, and 5 representative sealings are compound
Pipe, 6 represent sealing element, and 7 represent electric pole.
Specific embodiment
It elaborates in the following with reference to the drawings and specific embodiments to the utility model:
Specific embodiment, as shown in Figure 1, Figure 2 and Figure 3, a kind of tubulose compound inslation of the hollow partitioned compartment type structure of distribution
Cross-arm, the cross-arm body 1 including hollow tubular structure are provided with insulation and sealing structure, cross-arm in the hollow structure of cross-arm body 1
Main body 1 is the pultrusion pipe of glass fiber reinforced epoxy resin or polyurethane resin matrix, and cuts according to process length section, cross-arm sheet
The both ends of body 1 are both provided with the sealing element 6 of anticracking waterproof, and the insulation and sealing structure is the hollow tubular in cross-arm body 1
The component spacing body 2 arranged along its length in structure, inside cross-arm body 1 by separator 2 be separated into one group it is closed every
Storehouse.
It is fixedly arranged above insulator 4 in cross-arm body 1, is fixed in the middle part of 1 side of cross-arm body for solid with electric pole 7
Surely the anchor ear 3 connected, be provided in cross-arm body 1 is all with the vertically disposed through-hole of its length direction, anchor ear 3 and insulator 4
Cooperation by pass through the screw rod and nut of through-hole is fixedly connected with cross-arm body 1, adds sealing multiple tube 5, each screw rod
It is to be fixedly connected across sealing multiple tube 5 with nut, sealing multiple tube 5 and the sealing of cross-arm body 1 are fixed.Sealing multiple tube 5 rises
To the inside and outside sealing process of lumen, the steam inside and outside lumen has been blocked to exchange, waterproof effect is more preferable, can be further improved cross-arm
Insulating properties inside ontology 1.Meanwhile screw rod passes through sealing multiple tube 5 when being fixedly connected with nut, sealing multiple tube 5 can be right
Play reinforcing effect in the through hole of cross-arm body 1.Sealing multiple tube 5 and cross-arm body 1 are composite material, and same sex mucilage binding glues
It connects securely.
Sealing element 6 is the box-like structure for being sleeved on 1 end of cross-arm body, and insulator 4 is provided with above sealing element 6, close
The top and bottom of sealing 6 all offer the via hole for passing through screw rod, and sealing element 6 is connect with 1 mucilage binding of cross-arm body.Sealing element
6 can play the role of preventing steam from penetrating into 1 inside of cross-arm main body from end, and sealing effect is more preferable.In addition, when on insulator 4
After fixed conducting wire, conducting wire can generate twisting resistance to cross-arm, cause cross-arm body 1 to cleave, wire dropping accident is caused when serious, close
After 6 mucilage binding of sealing, mechanical consolidation can be played the role of to 1 end of cross-arm body.
As to further improvement of the utility model, separator 2 is the peviform structure of one side opening, peviform structure it is outer
The inner wall of wall and cross-arm body 1 is in close contact, and the openings of all peviform structures is facing towards the same end of cross-arm body 1.Make score
Contact closer between spacing body 2 and cross-arm body 1, sealing effect is more preferable, and 2 process of separator is pushed into cross-arm body 1
In, separator 2 will not tilt, and operate simpler convenience.
As to further improvement of the utility model, fluorosilicone rubber layer or weather-proof is coated in 1 outer surface of cross-arm body
Resin layer makes cross-arm body 1 have high self-cleaning, high hydrophobic, long-term anti-ageing performance, the high insulation of external insulation is formed, to disappear
In addition to multiple tube cross-arm generates the factor of potential danger.
The utility model is when specifically used, material of the material of separator 2 and sealing multiple tube 5 all with cross-arm body 1
It is identical, it is glass fiber reinforced epoxy resin or polyurethane resin, good water-proof effect.The axis of anchor ear 3 is arranged along the vertical direction,
Anchor ear 3 is fixedly connected with electric pole 7, is arranged for fixing the axis horizontal of through-hole of anchor ear 3, for fixing the through-hole of insulator 4
Axis vertical setting.As depicted in figs. 1 and 2, the hollow structure of cross-arm body 1 is separated into multiple independences using separator 2
Compartment, water and humid air between adjacent compartment cannot form perforation, accordingly even when rainwater enters in a compartment, also only
It can rest in the compartment, be shifted in the adjacent compartment of no normal direction, it is possible to reduce the influence to cross-arm built-in electrical insulation grade,
Reduce security risk.The cross-arm body 1 and insulator 4 of the utility model cooperate, and fully meet the resistance to thunder under various working conditions
Design requirement and the service life requirement of voltage 350kV, with the stability in life cycle management.
Claims (5)
1. a kind of distribution is with the tubulose composite insulation cross arm of hollow partitioned compartment type structure, the cross-arm body including hollow tubular structure
(1), insulation and sealing structure is provided in the hollow structure of cross-arm body (1), the both ends of cross-arm body (1) are both provided with sealing element
(6), it is characterised in that: the insulation and sealing structure is arranged along its length in the hollow tubular structure of cross-arm body (1)
One component spacing body (2) of column, cross-arm body (1) is internal to be separated into one group of closed compartment by separator (2).
2. a kind of distribution according to claim 1 tubulose composite insulation cross arm of hollow partitioned compartment type structure, feature exist
In: the separator (2) is the peviform structure of one side opening, and the outer wall of peviform structure and the inner wall of cross-arm body (1) are close
Contact, the same end of the openings of all peviform structures facing towards cross-arm body (1).
3. a kind of distribution according to claim 1 tubulose composite insulation cross arm of hollow partitioned compartment type structure, feature exist
In: be fixedly arranged above insulator (4) in cross-arm body (1), be fixed in the middle part of cross-arm body (1) side for electric pole
(7) anchor ear (3) being fixedly connected, be provided in cross-arm body (1) with the vertically disposed through-hole of its length direction, anchor ear (3) and
Insulator (4) is all to be fixedly connected by pass through the cooperation of the screw rod and nut of through-hole with cross-arm body (1), and it is compound to add sealing
It manages (5), each screw rod is to be fixedly connected across sealing multiple tube (5) with nut, sealing multiple tube (5) and cross-arm body (1)
Sealing is fixed.
4. a kind of distribution according to claim 3 tubulose composite insulation cross arm of hollow partitioned compartment type structure, feature exist
In: the sealing element (6) is the box-like structure for being sleeved on cross-arm body (1) end, is provided with insulation above sealing element (6)
Sub (4), the top and bottom of sealing element (6) are all offered for the via hole across screw rod, sealing element (6) and cross-arm body (1)
Mucilage binding connection.
5. a kind of distribution according to claim 1 tubulose composite insulation cross arm of hollow partitioned compartment type structure, feature exist
In: fluorosilicone rubber layer or weather-proof resin layer are coated in cross-arm body (1) outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090534.6U CN209494294U (en) | 2019-01-21 | 2019-01-21 | A kind of tubulose composite insulation cross arm of the hollow partitioned compartment type structure of distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090534.6U CN209494294U (en) | 2019-01-21 | 2019-01-21 | A kind of tubulose composite insulation cross arm of the hollow partitioned compartment type structure of distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209494294U true CN209494294U (en) | 2019-10-15 |
Family
ID=68155548
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920090534.6U Active CN209494294U (en) | 2019-01-21 | 2019-01-21 | A kind of tubulose composite insulation cross arm of the hollow partitioned compartment type structure of distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209494294U (en) |
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2019
- 2019-01-21 CN CN201920090534.6U patent/CN209494294U/en active Active
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