CN204663124U - Novel crossarm - Google Patents
Novel crossarm Download PDFInfo
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- CN204663124U CN204663124U CN201520377878.7U CN201520377878U CN204663124U CN 204663124 U CN204663124 U CN 204663124U CN 201520377878 U CN201520377878 U CN 201520377878U CN 204663124 U CN204663124 U CN 204663124U
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- contiguous block
- positioning sleeve
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- section
- hole
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Abstract
The utility model provides Novel crossarm, belongs to field of mechanical technique.It solve the problem of existing composite material cross arm bending resistance difference.This Novel crossarm comprises the contiguous block in strip, and contiguous block is made up of ferrous materials, the center of two end faces of contiguous block all has the connecting portion in cuboid, two connecting portions are all socketed with the positioning sleeve being rectangle tubulose, the sidewall of contiguous block surrounding all flushes with the sidewall of positioning sleeve surrounding, positioning sleeve is made up of composite material, positioning sleeve all has the solid-section protruded in tabular 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 along the axial distribution of contiguous block, solid-section runs through along the axis of positioning sleeve screwed hole, two relative solid-section are connected by the bolt that is screwed onto in two corresponding screwed holes simultaneously.This Novel crossarm has the strong advantage of bending resistance.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to Novel crossarm.
Background technology
Cross-arm is part and parcel in shaft tower, its effect is used to installing insulating and gold utensil, with support conductors, lightning conducter, and make it to keep certain safe distance by regulation, comparatively widely used at present 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, quality is light, be easy to the advantage of installing and safeguarding, but composite material cross arm mostly is the tubing adopting traditional pultrude process shaping, 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 are through being opened in being connected with nut to perforation on cross-arm, thus the two sides of cross-arm are offseted with nut and shaft tower respectively, by cross-arm stable position.But existing composite material cross arm exists a shortcoming: nut screwing clamping dynamics is generally restive, if the tension of twisting, produce stress and concentrate, the composite material cross arm of hollow thin-wall structure can cause position flexural deformation, even damages, and affects transmission line of electricity safe operation.
Summary of the invention
The purpose of this utility model there are the problems referred to above for existing technology, proposes the Novel crossarm that bending resistance is strong.
The purpose of this utility model realizes by following technical proposal: Novel crossarm, it is characterized in that, comprise 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 all has the connecting portion in cuboid, connecting portion described in two is all socketed with the positioning sleeve being rectangle tubulose, the sidewall of contiguous block surrounding all flushes with the sidewall of the surrounding of positioning sleeve, described positioning sleeve is made up of composite material, described positioning sleeve all has the solid-section protruded in tabular 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 along the axial distribution of contiguous block, above-mentioned solid-section runs through along the axis of positioning sleeve screwed hole, two relative solid-section are connected by the bolt that is screwed onto in two corresponding screwed holes simultaneously, the upper side of described positioning sleeve away from the end of contiguous block offers two axial distribution along positioning sleeve to perforation.
This Novel crossarm need 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 corresponding through hole and are connected with nut, thus the front and rear sides face of cross-arm is offseted with nut and shaft tower, respectively by cross-arm stable position.Be opened in effect perforation being played to installing insulating of positioning sleeve end.
This cross-arm is made up of contiguous block and the positioning sleeve being positioned at contiguous block both sides, and contiguous block adopts the harder ferrous materials of quality to make.When reality uses, contiguous block plays the effect offseted with nut and shaft tower respectively, nut and shaft tower are all acted on contiguous block the extruding force of cross-arm, but because contiguous block is made up of iron and steel, there is stronger bending resistance, thus the probability effectively avoiding the tension of twisting because of nut to cause cross-arm to be subject to larger extruding force occuring bending and deformation, thus improve the bending resistance of this cross-arm.By arranging solid-section one of them link as two positioning sleeves, relative to the link this technical scheme of hollow section as positioning sleeve, there is the advantage that bending resistance is strong, the pretightning force making solid-section can bear larger bolt to apply, effective raising two solid-section by a bolted stability and fixing, thus improves the structural stability of this cross-arm.
In above-mentioned Novel crossarm, the sidewall of described connecting portion is together with the inside wall tight abutment of positioning sleeve.
The sidewall friction that formation is larger together with the inside wall tight abutment of positioning sleeve of connecting portion, effectively improves the stability that contiguous block is connected with positioning sleeve, thus further increases the structural stability of this cross-arm.
In above-mentioned Novel crossarm, two on described connecting portion end relative sidewalls all has the spigot surface of inclination.
By arranging the spigot surface of inclination, contiguous block is inserted in positioning sleeve and plays guide effect, make contiguous block comparatively smooth and easy and be inserted into accurately in positioning sleeve, effectively improving the stability that contiguous block is connected with positioning sleeve, thus improve the structural stability of this cross-arm.
In above-mentioned Novel crossarm, the end face of positioning sleeve all offsets with the end face of contiguous block.
Adopt above-mentioned structure, increase the contact area of positioning sleeve and contiguous block, improve the stability that positioning sleeve is connected with contiguous block, 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 following advantages:
1, this cross-arm is made up of contiguous block and the positioning sleeve that is positioned at contiguous block both sides, and contiguous block adopts the harder ferrous materials of quality to make.When reality uses, contiguous block plays the effect offseted with nut and shaft tower respectively, nut and shaft tower are all acted on contiguous block the extruding force of cross-arm, but because contiguous block is made up of iron and steel, there is stronger bending resistance, thus the probability effectively avoiding the tension of twisting because of nut to cause cross-arm to be subject to larger extruding force occuring bending and deformation, thus improve the bending resistance of this cross-arm.
2, by arranging solid-section one of them link as two positioning sleeves, relative to the link this technical scheme of hollow section as positioning sleeve, there is the advantage that bending resistance is strong, the pretightning force making solid-section can bear larger bolt to apply, effective raising two solid-section by a bolted stability and fixing, thus improves 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
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.
As 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 all has a 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, together with the inside wall tight abutment of positioning sleeve 2, comparatively stably links together to make contiguous block 1 and positioning sleeve 2.As shown in Figure 1, the sidewall of contiguous block 1 surrounding all flushes with the sidewall of the surrounding of positioning sleeve 2.
In the present embodiment, contiguous block 1 is made up of ferrous materials.Positioning sleeve 2 is made up of composite material.Wherein composite material can be glass fiber reinforced plastic or carbon fiber.As shown in Figure 2, two on connecting portion 1b end relative sidewalls all have the spigot surface 1a of inclination, thus contiguous block 1 is inserted in positioning sleeve 2 plays good guide effect.Further illustrate, as shown in Figure 1 to Figure 3, the end face of positioning sleeve 2 all offsets with the end face of contiguous block 1, increases the contact area of positioning sleeve 2 and contiguous block 1, improves the stability that positioning sleeve 2 is connected with contiguous block 1, thus improve the structural stability of this cross-arm.
As shown in Figure 1, the leading flank of contiguous block 1 is provided with rounded through hole 1c, and through hole 1c has two and along the axial distribution of contiguous block 1, two through hole 1c is all between two limit base 1b.Positioning sleeve 2 all has the solid-section 2a protruded in tabular on the upper side and downside of the end of contiguous block 1, and namely in this Novel crossarm, solid-section 2a always has 4.Each solid-section 2a all runs through along the axis of positioning sleeve 2 screwed hole, and two relative solid-section 2a are connected by the bolt 3 that is screwed onto in two corresponding screwed holes simultaneously.In the present embodiment, solid-section 2a is positioned at the port of positioning sleeve 2.As shown in Figure 1, the upper side of positioning sleeve 2 away from the end of contiguous block 1 offers two axial distribution along positioning sleeve 2 to perforation 2b.
This Novel crossarm need 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 corresponding through hole 1c and are connected with nut, thus the front and rear sides face of cross-arm is offseted with nut and shaft tower, respectively by cross-arm stable position.Be opened in effect perforation 2b being played to installing insulating of positioning sleeve 2 end.
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 (5)
1. Novel crossarm, it is characterized in that, comprise the contiguous block in strip, and contiguous block is made up of ferrous materials, the center of two end faces of described contiguous block all has the connecting portion in cuboid, connecting portion described in two is all socketed with the positioning sleeve being rectangle tubulose, the sidewall of contiguous block surrounding all flushes with the sidewall of the surrounding of positioning sleeve, described positioning sleeve is made up of composite material, described positioning sleeve all has the solid-section protruded in tabular 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 along the axial distribution of contiguous block, above-mentioned solid-section runs through along the axis of positioning sleeve screwed hole, two relative solid-section are connected by the bolt that is screwed onto in two corresponding screwed holes simultaneously, the upper side of described positioning sleeve away from the end of contiguous block offers two axial distribution along positioning sleeve to perforation.
2. Novel crossarm according to claim 1, is characterized in that, the sidewall of described connecting portion is together with the inside wall tight abutment of positioning sleeve.
3. Novel crossarm according to claim 2, is characterized in that, two on the end of described connecting portion relative sidewalls all has the spigot surface of inclination.
4. Novel crossarm according to claim 1, is characterized in that, the end face of described positioning sleeve and the end face of contiguous block offset.
5. Novel crossarm according to claim 1, is characterized in that, described solid-section is positioned at the port of positioning sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377878.7U CN204663124U (en) | 2015-06-04 | 2015-06-04 | Novel crossarm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520377878.7U CN204663124U (en) | 2015-06-04 | 2015-06-04 | Novel crossarm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204663124U true CN204663124U (en) | 2015-09-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520377878.7U Active CN204663124U (en) | 2015-06-04 | 2015-06-04 | Novel crossarm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204663124U (en) |
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2015
- 2015-06-04 CN CN201520377878.7U patent/CN204663124U/en active Active
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |