CN203420509U - Insulating cross arm applied to power transmission line tower - Google Patents
Insulating cross arm applied to power transmission line tower Download PDFInfo
- Publication number
- CN203420509U CN203420509U CN201320448086.5U CN201320448086U CN203420509U CN 203420509 U CN203420509 U CN 203420509U CN 201320448086 U CN201320448086 U CN 201320448086U CN 203420509 U CN203420509 U CN 203420509U
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- silica gel
- thickness
- root
- pipe portion
- insulator crossarm
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Abstract
The utility model provides an insulating cross arm applied to a power transmission line tower. The insulating cross arm comprises a cross arm body, and the cross arm body is composed of a glass steel pipe and silica gel wound outside the glass steel pipe; the cross arm body sequentially comprises a root portion, a transition section and a pipe portion in the length direction, the thickness of the silica gel wound on the root portion is larger than the thickness of the silica gel wound on the pipe portion, and the thickness of the silica gel wound on the transition section gradually increases from the pipe portion to the root portion and from the thickness of the silica gel wound on the pipe portion to the thickness of the silica gel wound on the root portion; a clamping hoop connected with a main pole of the tower is arranged at one end of the root portion, a hanging plate is arranged on the lateral face of the other end of the root portion, and the hanging plate is connected with a bearing hanging rod through a connecting fitting; a wire hanging ring is arranged at the tail end of the pipe portion. Compared with an existing cross arm, the insulting cross arm is low in weight, convenient to install and high in root portion bearing capacity.
Description
Technical field
The invention relates to power main road technique, particularly about a kind of insulator crossarm that is applied to power main line pole tower.
Background technology
Cross-arm body on power main line pole tower mostly is the cylindrical structural of even thickness, adopt integrated structure, it is simple that this cross-arm body has processing method, tension, the combination property advantages of higher such as antitorque, but this cross-arm body own wt is excessive, increased the weight of the weight of shaft tower, and hoisting difficulty is large.
Utility model content
The utility model provides a kind of insulator crossarm that is applied to power main line pole tower, lightweight to alleviate insulator crossarm, increases supporting capacity strong.
To achieve these goals, the utility model provides a kind of insulator crossarm that is applied to power main line pole tower, and described insulator crossarm comprises: cross-arm body, and described cross-arm body consists of glass reinforced plastic pipe and the silica gel that is wrapped in outside described glass reinforced plastic pipe; Described cross-arm body is followed successively by root, changeover portion and pipe portion along its length, the thickness of the silica gel that described root is wound around is greater than the thickness of the silica gel that described pipe portion is wound around, and the thickness of the silica gel that described changeover portion is wound around is increased to the thickness of the silica gel that equals described root gradually by the thickness that equals the silica gel of described pipe portion from described pipe portion to described root;
One end of described root is provided with the clip being connected with shaft tower mobile jib, and the side of the other end is provided with link plate, and described link plate connects load-bearing suspension rod by connecting gold utensil; The end of described pipe portion is provided with hanging wire ring.
In one embodiment, described clip is welded on described shaft tower mobile jib.
In one embodiment, described clip is provided with screw, and described clip is bolted on the built-in fitting of described shaft tower mobile jib.
In one embodiment, described link plate is welded on described insulator crossarm.
In one embodiment, the Length Ratio of described root and pipe portion is 1:7.
In one embodiment, the length of described changeover portion is 200mm.
In one embodiment, the length of described root is 300mm.
In one embodiment, the length of described pipe portion is 2100mm.
The beneficial effects of the utility model are: compare existing cross-arm, this practical insulator crossarm is lightweight, be convenient to install, and root supporting capacity are strong.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the axial section of the utility model embodiment insulator crossarm;
Fig. 2 is the structural representation of the utility model embodiment insulator crossarm;
Fig. 3 is the cross sectional representation of the utility model embodiment insulator crossarm.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, Figure 2 and Figure 3, the utility model provides a kind of insulator crossarm that is applied to power main line pole tower, described insulator crossarm comprises: cross-arm body, described cross-arm body consists of glass reinforced plastic pipe 101 and the silica gel 102 that is wrapped in outside described glass reinforced plastic pipe.
Described cross-arm body is followed successively by root 201, changeover portion 202 and pipe portion 203 along its length.The thickness of the silica gel 102 that root 201 is wound around is greater than the thickness of the silica gel 102 of pipe portion winding.From the edge of pipe portion 203 to the edge of root 201, the thickness of the silica gel that changeover portion 202 is wound around gradually changes, intersection in pipe portion 203 with changeover portion 202, the thickness of the silica gel that changeover portion 202 is wound around equals the thickness of the silica gel of pipe portion 203 windings, intersection at root 201 with changeover portion 202, the thickness of the silica gel that changeover portion 202 is wound around equals the thickness of the silica gel of root 201 windings, and the thickness of the silica gel that changeover portion 202 is wound around is increased to the thickness of the silica gel that equals root 201 gradually by the thickness that equals the silica gel of pipe portion 203.
As shown in Figures 1 and 2, one end of root is provided with the clip 204 being connected with shaft tower mobile jib 103, and the side of the other end is provided with link plate 205, and link plate connects load-bearing suspension rod 207 by connecting gold utensil 206.In addition, the end of pipe portion 203 is provided with hanging wire ring 208, for carrying power line.
In one embodiment, the Length Ratio of described root and pipe portion is 1:7, and the length of described root is 300mm, and the length of pipe portion is 2100mm, and the length of described changeover portion is 200mm, and the utility model is not as limit.
During concrete enforcement, clip 204 can be welded on shaft tower mobile jib 103, also can on clip 204, be provided with screw 209, then by bolt, clip 204 is fixed on the built-in fitting 104 of shaft tower mobile jib.In one embodiment, link plate 205 is welded on insulator crossarm, and the utility model is not as limit.
Preferably the Length Ratio of described root and pipe portion is 1:7, and in one embodiment, the length of root 201 is 300mm., pipe, 203 length is 2100mm, and the length of changeover portion 202 is 200mm, and the utility model is not as limit.
During concrete enforcement, the inner core of glass reinforced plastic pipe 101 is filled with foam-like material, in the port of pipe portion and the port of root, also leaves respectively and places the excessive plug 210 of barrier foam-like material.
The beneficial effects of the utility model are: compare existing cross-arm, this practical insulator crossarm is lightweight, be convenient to install, and root supporting capacity are strong.
In the utility model, applied specific embodiment principle of the present utility model and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present utility model and core concept thereof; , for one of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model meanwhile.
Claims (8)
1. be applied to an insulator crossarm for power main line pole tower, described insulator crossarm comprises: cross-arm body, it is characterized in that, and described cross-arm body consists of glass reinforced plastic pipe and the silica gel that is wrapped in outside described glass reinforced plastic pipe; Described cross-arm body is followed successively by root, changeover portion and pipe portion along its length, the thickness of the silica gel that described root is wound around is greater than the thickness of the silica gel that described pipe portion is wound around, and the thickness of the silica gel that described changeover portion is wound around is increased to the thickness of the silica gel that equals described root gradually by the thickness that equals the silica gel of described pipe portion from described pipe portion to described root;
One end of described root is provided with the clip being connected with shaft tower mobile jib, and the side of the other end is provided with link plate, and described link plate connects load-bearing suspension rod by connecting gold utensil; The end of described pipe portion is provided with hanging wire ring.
2. insulator crossarm according to claim 1, is characterized in that, described clip is welded on described shaft tower mobile jib.
3. insulator crossarm according to claim 1, is characterized in that, described clip is provided with screw, and described clip is bolted on the built-in fitting of described shaft tower mobile jib.
4. insulator crossarm according to claim 1, is characterized in that, described link plate is welded on described insulator crossarm.
5. insulator crossarm according to claim 1, is characterized in that, the Length Ratio of described root and pipe portion is 1:7.
6. insulator crossarm according to claim 1, is characterized in that, the length of described changeover portion is 200mm.
7. insulator crossarm according to claim 5, is characterized in that, the length of described root is 300mm.
8. insulator crossarm according to claim 5, is characterized in that, the length of described pipe portion is 2100mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448086.5U CN203420509U (en) | 2013-07-25 | 2013-07-25 | Insulating cross arm applied to power transmission line tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320448086.5U CN203420509U (en) | 2013-07-25 | 2013-07-25 | Insulating cross arm applied to power transmission line tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203420509U true CN203420509U (en) | 2014-02-05 |
Family
ID=50019609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320448086.5U Expired - Lifetime CN203420509U (en) | 2013-07-25 | 2013-07-25 | Insulating cross arm applied to power transmission line tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203420509U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640545A (en) * | 2016-12-13 | 2017-05-10 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
| CN106762441A (en) * | 2016-12-13 | 2017-05-31 | 北京金风科创风电设备有限公司 | Transition connecting piece and wind power tower |
-
2013
- 2013-07-25 CN CN201320448086.5U patent/CN203420509U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106640545A (en) * | 2016-12-13 | 2017-05-10 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
| CN106762441A (en) * | 2016-12-13 | 2017-05-31 | 北京金风科创风电设备有限公司 | Transition connecting piece and wind power tower |
| CN106640545B (en) * | 2016-12-13 | 2021-04-13 | 北京金风科创风电设备有限公司 | Transition connecting piece, concrete tower and concrete tower construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140205 |
|
| CX01 | Expiry of patent term |