CN106285170A - A kind of Novel crossarm - Google Patents
A kind of Novel crossarm Download PDFInfo
- Publication number
- CN106285170A CN106285170A CN201510299225.6A CN201510299225A CN106285170A CN 106285170 A CN106285170 A CN 106285170A CN 201510299225 A CN201510299225 A CN 201510299225A CN 106285170 A CN106285170 A CN 106285170A
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- China
- Prior art keywords
- contiguous block
- positioning sleeve
- section
- solid
- crossarm
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Abstract
The invention provides a kind of Novel crossarm, belong to field of mechanical technique.The problem it solving existing composite material cross arm bending resistance difference.This Novel crossarm includes the contiguous block in strip, and contiguous block is made up of ferrous materials, the center of two end faces of contiguous block is respectively provided with the connecting portion in cuboid, the positioning sleeve being rectangle tubulose all it is socketed with on two connecting portions, the sidewall of contiguous block surrounding all sidewalls with positioning sleeve surrounding flush, positioning sleeve is made up of composite, positioning sleeve is respectively provided with the solid-section of plate-shaped protrusion on the upper side and downside of the end of contiguous block, the leading flank of contiguous block is provided with rounded through hole, through hole has two and axial distribution along contiguous block, solid-section has axially penetrated through screwed hole along positioning sleeve, two relative solid-section are connected by the bolt in two screwed holes being screwed onto correspondence simultaneously.This Novel crossarm has the advantage that bending resistance is strong.
Description
Technical field
The invention belongs to field of mechanical technique, relate to a kind of Novel crossarm.
Background technology
Cross-arm is part and parcel in shaft tower, its effect is used to install insulator and gold utensil, to support wire, lightning conducter, and it is allowed to the safe distance certain by regulation holding, current relatively broad use have iron cross arm, porcelain pole arm, composite material cross arm etc., wherein to have antifouling property good for composite material cross arm, environmental corrosion resisting, light weight, the advantage being easily installed and safeguarding, but composite material cross arm mostly is the tubing using tradition pultrude process molding, its structure is hollow thin-wall, this composite material cross arm needs to coordinate U-shaped hoop to use, when mounted, U-shaped cuff is connected on shaft tower, the two ends of U-shaped hoop and are connected with nut through be opened on cross-arm to perforation, so that the two sides of cross-arm offset with nut and shaft tower respectively, by cross-arm stable position.But existing composite material cross arm there is a drawback in that nut screwing clamping dynamics is generally more difficult to control, if the tension twisted, producing stress and concentrate, the composite material cross arm of hollow thin-wall structure can cause position flexural deformation, even damage, and affects transmission line of electricity safe operation.
Summary of the invention
It is an object of the invention to there are the problems referred to above for existing technology, it is proposed that the Novel crossarm that a kind of bending resistance is strong.
nullThe purpose of the present invention can be realized by following technical proposal: a kind of Novel crossarm，It is characterized in that，Including the contiguous block in strip，And contiguous block is made up of ferrous materials，The center of the both ends of the surface of described contiguous block is respectively provided with the connecting portion in cuboid，The positioning sleeve being rectangle tubulose all it is socketed with on connecting portion described in two，The sidewall of contiguous block surrounding all sidewalls with the surrounding of positioning sleeve flush，Described positioning sleeve is made up of composite，Described positioning sleeve is respectively provided with the solid-section of plate-shaped protrusion on the upper side and downside of the end of contiguous block，The leading flank of described contiguous block is provided with rounded through hole，Through hole has two and axial distribution along contiguous block，Above-mentioned solid-section has axially penetrated through screwed hole along positioning sleeve，Two relative solid-section are connected by the bolt in two screwed holes being screwed onto correspondence simultaneously，Described positioning sleeve away from offer on the upper side of the end of contiguous block two axial distribution along positioning sleeve to perforation.
This Novel crossarm need to coordinate U-shaped hoop to use；When mounted, U-shaped cuff is connected on shaft tower, and the two ends of U-shaped hoop are each passed through the through hole of correspondence and are connected with nut, so that the front and rear sides face of cross-arm offsets with nut and shaft tower respectively, by cross-arm stable position.Be opened in positioning sleeve end plays the effect installing insulator to perforation.
This cross-arm is made up of contiguous block and the positioning sleeve being positioned at contiguous block both sides, and the ferrous materials that contiguous block uses quality harder is made.When actually used, contiguous block plays the effect offseted respectively with nut and shaft tower, the extruding force of cross-arm is all acted on contiguous block by nut and shaft tower, but owing to contiguous block is made up of iron and steel, there is stronger bending resistance, thus be prevented effectively from the tension twisted because of nut and cause cross-arm to be subject to the probability that bigger extruding force occurs bending and deformation, thus improve the bending resistance of this cross-arm.By arranging solid-section one of them connection member as two positioning sleeves, relative to hollow section as this technical scheme of connection member of positioning sleeve, there is the advantage that bending resistance is strong, make solid-section can bear the pretightning force that bigger bolt is applied, it is effectively improved two solid-section and passes through a bolted stability and fixing, thus improve the structural stability of this cross-arm.
In above-mentioned Novel crossarm, the sidewall of described connecting portion is together with the medial wall tight abutment of positioning sleeve.
The sidewall of connecting portion forms bigger friction together with the medial wall tight abutment of positioning sleeve, is effectively improved contiguous block and the stability of positioning sleeve connection, thus further increases the structural stability of this cross-arm.
In above-mentioned Novel crossarm, two relative sidewalls on described connecting portion end are respectively provided with the spigot surface of inclination.
By arranging the spigot surface of inclination, in contiguous block is inserted into positioning sleeve, play guide effect, make contiguous block the most smooth and easy and be inserted into accurately in positioning sleeve, be effectively improved contiguous block and the stability of positioning sleeve connection, thus improve the structural stability of this cross-arm.
In above-mentioned Novel crossarm, the end face of positioning sleeve all end faces with contiguous block offset.
Use above-mentioned structure, increase positioning sleeve and the contact area of contiguous block, improve positioning sleeve and the stability of contiguous block connection, thus improve the structural stability of this cross-arm.
In above-mentioned Novel crossarm, described solid-section is positioned at the port of positioning sleeve.
Compared with prior art, this Novel crossarm has the advantage that
1, this cross-arm by contiguous block and is positioned at the positioning sleeve of contiguous block both sides and forms, and the ferrous materials that contiguous block uses quality harder is made.When actually used, contiguous block plays the effect offseted respectively with nut and shaft tower, the extruding force of cross-arm is all acted on contiguous block by nut and shaft tower, but owing to contiguous block is made up of iron and steel, there is stronger bending resistance, thus be prevented effectively from the tension twisted because of nut and cause cross-arm to be subject to the probability that bigger extruding force occurs bending and deformation, thus improve the bending resistance of this cross-arm.
2, by arranging solid-section one of them connection member as two positioning sleeves, relative to hollow section as this technical scheme of connection member of positioning sleeve, there is the advantage that bending resistance is strong, make solid-section can bear the pretightning force that bigger bolt is applied, it is effectively improved two solid-section and passes through a bolted stability and fixing, thus improve the structural stability of this cross-arm.
Accompanying drawing explanation
Fig. 1 is the perspective view of this Novel crossarm.
Fig. 2 is the sectional structure schematic diagram of this Novel crossarm.
Fig. 3 is the plan structure schematic diagram of this Novel crossarm.
In figure, 1, contiguous block；1a, spigot surface；1b, connecting portion；1c, through hole；2, positioning sleeve；2a, solid-section；2b, to perforation；3, bolt.
Detailed description of the invention
The following is the specific embodiment of the present invention and combine accompanying drawing, technical scheme is further described, but the present invention is not limited to these embodiments.
As it is shown in figure 1, this Novel crossarm is made up of contiguous block 1, positioning sleeve 2 etc..Wherein, contiguous block 1 is in strip, and positioning sleeve 2 has two and two positioning sleeves 2 are all rectangle tubulose.That the center of two end faces of contiguous block 1 is respectively provided with protrusion and connecting portion 1b in cuboid, and connecting portion 1b parallels with contiguous block 1.Two positioning sleeves 2 are socketed on two connecting portion 1b respectively, and now, the sidewall of connecting portion 1b is together with the medial wall tight abutment of positioning sleeve 2, so that contiguous block 1 and positioning sleeve 2 link together relatively stablely.As it is shown in figure 1, the sidewall of contiguous block 1 surrounding all sidewalls with the surrounding of positioning sleeve 2 flush.
In the present embodiment, contiguous block 1 is made up of ferrous materials.Positioning sleeve 2 is made up of composite.Wherein composite can be fiberglass or carbon fiber.As in figure 2 it is shown, be respectively provided with the spigot surface 1a of inclination on two relative sidewalls on connecting portion 1b end, thus in contiguous block 1 is inserted into positioning sleeve 2, play preferable guide effect.Further illustrating, as shown in Figure 1 to Figure 3, the end face of positioning sleeve 2 all end faces with contiguous block 1 offset, and increase positioning sleeve 2 and the contact area of contiguous block 1, improve positioning sleeve 2 and stability that contiguous block 1 connects, thus improve the structural stability of this cross-arm.
As it is shown in figure 1, the leading flank of contiguous block 1 is provided with rounded through hole 1c, through hole 1c has two and axial distribution along contiguous block 1, and two through hole 1c is respectively positioned between two limit base 1b.Positioning sleeve 2 is respectively provided with solid-section 2a of plate-shaped protrusion on the upper side and downside of the end of contiguous block 1, i.e. in this Novel crossarm, and a total of 4 of solid-section 2a.Each solid-section 2a is all along the screwed hole that axially penetrated through of positioning sleeve 2, and two relative solid-section 2a are connected by the bolt 3 in two screwed holes being screwed onto correspondence simultaneously.In the present embodiment, solid-section 2a is positioned at the port of positioning sleeve 2.As it is shown in figure 1, offer on the upper side that positioning sleeve 2 is away from the end of contiguous block 1 two axial distribution along positioning sleeve 2 to perforation 2b.
This Novel crossarm need to coordinate U-shaped hoop to use；When mounted, U-shaped cuff is connected on shaft tower, and the two ends of U-shaped hoop are each passed through the through hole 1c of correspondence and are connected with nut, so that the front and rear sides face of cross-arm offsets with nut and shaft tower respectively, by cross-arm stable position.Be opened in positioning sleeve 2 end plays the effect installing insulator to perforation 2b.
Specific embodiment described herein is only to present invention spirit explanation for example.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (5)
- null1. a Novel crossarm，It is characterized in that，Including the contiguous block in strip，And contiguous block is made up of ferrous materials，The center of two end faces of described contiguous block is respectively provided with the connecting portion in cuboid，The positioning sleeve being rectangle tubulose all it is socketed with on connecting portion described in two，The sidewall of contiguous block surrounding all sidewalls with the surrounding of positioning sleeve flush，Described positioning sleeve is made up of composite，Described positioning sleeve is respectively provided with the solid-section of plate-shaped protrusion on the upper side and downside of the end of contiguous block，The leading flank of described contiguous block is provided with rounded through hole，Through hole has two and axial distribution along contiguous block，Above-mentioned solid-section has axially penetrated through screwed hole along positioning sleeve，Two relative solid-section are connected by the bolt in two screwed holes being screwed onto correspondence simultaneously，Described positioning sleeve away from offer on the upper side of the end of contiguous block two axial distribution along positioning sleeve to perforation.
- Novel crossarm the most according to claim 1, it is characterised in that the sidewall of described connecting portion is together with the medial wall tight abutment of positioning sleeve.
- Novel crossarm the most according to claim 2, it is characterised in that be respectively provided with the spigot surface of inclination on two relative sidewalls on the end of described connecting portion.
- Novel crossarm the most according to claim 1, it is characterised in that the end face of described positioning sleeve offsets with the end face of contiguous block.
- Novel crossarm the most according to claim 1, it is characterised in that described solid-section is positioned at the port of positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299225.6A CN106285170A (en) | 2015-06-04 | 2015-06-04 | A kind of Novel crossarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510299225.6A CN106285170A (en) | 2015-06-04 | 2015-06-04 | A kind of Novel crossarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106285170A true CN106285170A (en) | 2017-01-04 |
Family
ID=57656322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510299225.6A Pending CN106285170A (en) | 2015-06-04 | 2015-06-04 | A kind of Novel crossarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106285170A (en) |
-
2015
- 2015-06-04 CN CN201510299225.6A patent/CN106285170A/en active Pending
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170104 |
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| WD01 | Invention patent application deemed withdrawn after publication |