CN215803631U - Novel cross arm device for power transmission line - Google Patents
Novel cross arm device for power transmission line Download PDFInfo
- Publication number
- CN215803631U CN215803631U CN202122331557.1U CN202122331557U CN215803631U CN 215803631 U CN215803631 U CN 215803631U CN 202122331557 U CN202122331557 U CN 202122331557U CN 215803631 U CN215803631 U CN 215803631U
- Authority
- CN
- China
- Prior art keywords
- frame
- triangular frame
- fixedly connected
- triangular
- cross arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 238000003466 welding Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 2
- 241000282326 Felis catus Species 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 5
- 239000012212 insulator Substances 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
Abstract
The utility model provides a novel cross arm device for a transmission line. According to the technical scheme, the structural strength of the cross arm device is improved through structural layer improvement, specifically, a bottom triangular frame with an extension part is used as a bottom supporting structure, vertical rods are respectively arranged at three top points of the bottom triangular frame, and a middle triangular frame and a top triangular frame which are arranged at intervals between adjacent vertical rods are connected into a whole, so that a stable supporting structure is constructed; on the basis, the inclined strut arm is additionally arranged between the vertical rod and the extension part of the bottom triangular frame, and the inclined strut is additionally arranged between the adjacent middle triangular frames, so that the structural stability is further ensured. In addition, the vertical rods are designed into a sectional structure, and the sectional rods can be fixed by using flanges and bolts, so that the mode is more convenient for material transportation and installation. The utility model improves the cross arm device, so that the structure is more reasonable, and the function and the reliability are improved.
Description
Technical Field
The utility model relates to the technical field of power engineering, in particular to a novel cross arm device for a power transmission line.
Background
The cross arm is an important component in a tower and is used for installing insulators and hardware fittings so as to support a conducting wire and a lightning conductor and keep a certain safety distance according to regulations. The cross arm is used for fixing the wires by installing insulators on the upper part of the electric pole, keeps a certain distance between each wire and prevents short circuit between phases caused by wind blowing and swinging, and therefore, the cross arm has a certain length and enough mechanical strength.
In the prior art, the cross arm is mainly divided into three configurations, namely a straight cross arm, a corner cross arm and a strain cross arm, wherein the straight cross arm only bears the vertical load and the horizontal load of a wire under the normal condition of no wire breakage, the strain cross arm bears the vertical load and the horizontal load of the wire and also bears the tension difference of the wire, and the corner cross arm bears the larger tension of a single-side wire besides the vertical load and the horizontal load of the wire. Therefore, the conventional cross arm devices are insufficient in terms of stress, and not only the longitudinal load-bearing capacity needs to be enhanced, but also the stability against the transverse wind force needs to be improved. In this case, how to improve the strength and stability of the cross arm device has been a technical problem to be solved in the art.
Disclosure of Invention
The utility model aims to provide a novel cross arm device for a power transmission line aiming at the technical defects in the prior art so as to solve the technical problem that the structural stability of the conventional cross arm device needs to be enhanced.
In order to achieve the technical purpose, the utility model adopts the following technical scheme:
a novel cross arm device for a power transmission line comprises a bottom triangular frame, an extending part, vertical rods, sectional rods, flange plates, rib plates, diagonal bracing arms, a middle triangular frame, a top triangular frame, an inner reinforcing frame, diagonal bracing rods, a ladder stand, an upper extending part and lightning rods, wherein the extending part is arranged at each of three top points of the bottom triangular frame, the vertical rods are fixedly connected at each of the three top points of the bottom triangular frame, the vertical rods comprise a plurality of sectional rods, the sectional rods are fixedly connected through the flange plates, the rib plates are arranged between the flange plates and the sectional rods, the diagonal bracing arms are fixedly connected between the extending parts and the vertical rods, a plurality of middle triangular frames are fixedly connected between the three vertical rods, the top triangular frame is positioned above the plurality of middle triangular frames, the inner reinforcing frames are fixedly connected inside the top triangular frame, the diagonal bracing rods are fixedly connected between the adjacent middle triangular frames, the ladder stand is fixedly connected to the side ends of the middle triangular frames, the top end of the vertical rod is provided with an upper extending portion, and the top end of the upper extending portion is fixedly connected with a lightning rod.
Preferably, the connecting plate is welded on one edge of the bottom triangular frame, and the connecting plate is fixedly connected with the other edge of the bottom triangular frame through bolts.
Preferably, the bottom triangular frame, the middle triangular frame, the top triangular frame and the inner reinforcing frame are all in a regular triangle shape, and three vertexes of the inner reinforcing frame are respectively welded at the middle points of three sides of the top triangular frame.
Preferably, the lightning rod is fixedly connected to the top end of the upper extension part through a flange seat, and a rib is welded between the flange seat and the upper extension part.
Preferably, the fixed connection between the diagonal draw bar and the middle triangular frame is welding; the fixed connection between the ladder stand and the middle triangular frame is welded.
In the technical scheme, the bottom triangular frame is used for playing a role in bearing a foundation from the bottom; the extension part is used as an acting point of the inclined strut arm, so that the inclined strut arm can be swung open by a certain angle to play an inclined supporting role on the vertical rod; the vertical rod is a longitudinal framework of the utility model, and plays a role in supporting and bearing; the sectional rods are the components of the vertical rod, and the sectional rods are sequentially butted end to form the integral structure of the vertical rod; the flange plate and the matched screw are used for realizing the end-to-end butt joint between the segmented rods; the rib plate is used for strengthening the structure between the flange plate and the segmented rod; the inclined strut arm is used for supporting and stabilizing the vertical rod; the middle triangular frames are longitudinally arranged among the three vertical rods at intervals and are used for structurally connecting the three vertical rods into a whole; the top triangular frame and the middle triangular frame have the same function, and the inner reinforcing frame in the top triangular frame plays a role in reinforcing the structure; the diagonal draw bars are used for connecting adjacent middle triangular frames, so that the structural strength is improved; the ladder stand is convenient for maintainers to climb the ladder; the upper extension part is used for carrying the lightning rod so as to keep the lightning rod at a higher position; the lightning rod is used for preventing lightning.
The utility model provides a novel cross arm device for a transmission line. According to the technical scheme, the structural strength of the cross arm device is improved through structural layer improvement, specifically, a bottom triangular frame with an extension part is used as a bottom supporting structure, vertical rods are respectively arranged at three top points of the bottom triangular frame, and a middle triangular frame and a top triangular frame which are arranged at intervals between adjacent vertical rods are connected into a whole, so that a stable supporting structure is constructed; on the basis, the inclined strut arm is additionally arranged between the vertical rod and the extension part of the bottom triangular frame, and the inclined strut is additionally arranged between the adjacent middle triangular frames, so that the structural stability is further ensured. In addition, the vertical rods are designed into a sectional structure, and the sectional rods can be fixed by using flanges and bolts, so that the mode is more convenient for material transportation and installation. The utility model improves the cross arm device, so that the structure is more reasonable, and the function and the reliability are improved.
Drawings
FIG. 1 is a perspective view of the present invention as a whole from one perspective;
FIG. 2 is a perspective view of the present invention as a whole from another perspective;
FIG. 3 is a perspective view of the upper portion of the present invention;
FIG. 4 is a perspective view of the lower portion of the present invention;
in the figure:
1. bottom triangular frame 2, extension part 3, vertical rod 4 and sectional rod
5. Flange plate 6, ribbed slab 7, bracing arm 8, well triangle frame
9. Top triangular frame 10, inner reinforcing frame 11, diagonal draw bar 12 and ladder stand
13. Upper extension 14, lightning rod 15, connecting plate.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail. Well-known structures or functions may not be described in detail in the following embodiments in order to avoid unnecessarily obscuring the details. Approximating language, as used herein in the following examples, may be applied to identify quantitative representations that could permissibly vary in number without resulting in a change in the basic function. Unless defined otherwise, technical and scientific terms used in the following examples have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
Example 1
A novel cross arm device for a power transmission line is disclosed, as shown in figures 1-4, and comprises a bottom triangular frame 1, an outer extension part 2, vertical rods 3, sectional rods 4, a flange plate 5, a rib plate 6, an inclined strut arm 7, a middle triangular frame 8, a top triangular frame 9, an inner reinforcing frame 10, inclined strut bars 11, a ladder stand 12, an upper extension part 13 and a lightning rod 14, wherein the outer extension part 2 is arranged at three top points of the bottom triangular frame 1, the vertical rods 3 are fixedly connected at three top points of the bottom triangular frame 1, the vertical rods 3 comprise a plurality of sectional rods 4, the plurality of sectional rods 4 are fixedly connected through the flange plate 5, the rib plate 6 is arranged between the flange plate 5 and the sectional rods 4, the inclined strut arm 7 is fixedly connected between the outer extension part 2 and the vertical rods 3, the plurality of middle triangular frames 8 are fixedly connected between the three vertical rods 3, the top triangular frame 9 is positioned above the plurality of middle triangular frames 8, an inner reinforcing frame 10 is fixedly connected to the inside of the top triangular frame 9, diagonal draw bars 11 are fixedly connected between the adjacent middle triangular frames 8, ladders 12 are fixedly connected to the side ends of the plurality of middle triangular frames 8, an upper extending portion 13 is provided on the top end of the vertical bar 3, and a lightning rod 14 is fixedly connected to the top end of the upper extending portion 13.
The structural features of this embodiment are as follows: the bottom triangular frame 1 is used for playing a role in bearing a foundation from the bottom; the extension part 2 is used as an acting point of the inclined supporting arm 7, so that the inclined supporting arm 7 can be swung open at a certain angle to play an inclined supporting role for the vertical rod 3; the vertical rod 3 is a longitudinal framework of the utility model, and plays a role in supporting and bearing; the sectional rods 4 are components of the vertical rod 3, and the sectional rods 4 are sequentially butted end to form an integral structure of the vertical rod 3, so that the vertical rod 3 is designed into a structure of the sectional rods 4, and the problems that the vertical rod 3 is too long and inconvenient to transport and install are solved; the flange 5 and the matched screws are used for realizing the end-to-end butt joint between the segmented rods 4; the rib plates 6 are used for strengthening the structure between the flange 5 and the segmented rod 4; the inclined supporting arm 7 is used for supporting and stabilizing the vertical rod 3; the plurality of middle triangular frames 8 are longitudinally arranged at intervals among the three vertical rods 3 and are used for structurally connecting the three vertical rods 3 into a whole; the top triangular frame 9 has the same function as the middle triangular frame 8, and the inner reinforcing frame 10 in the top triangular frame plays a role in reinforcing the structure; the diagonal draw bars 11 are used for connecting the adjacent middle triangular frames 8, so that the structural strength is improved; the ladder stand 12 facilitates the maintainers to climb the ladder; the upper extension 13 is used to carry the lightning rod 14, thus keeping the lightning rod 14 in a higher position; the lightning rod 14 is used to protect against lightning.
Example 2
A novel cross arm device for a power transmission line is disclosed, as shown in figures 1-4, and comprises a bottom triangular frame 1, an outer extension part 2, vertical rods 3, sectional rods 4, a flange plate 5, a rib plate 6, an inclined strut arm 7, a middle triangular frame 8, a top triangular frame 9, an inner reinforcing frame 10, inclined strut bars 11, a ladder stand 12, an upper extension part 13 and a lightning rod 14, wherein the outer extension part 2 is arranged at three top points of the bottom triangular frame 1, the vertical rods 3 are fixedly connected at three top points of the bottom triangular frame 1, the vertical rods 3 comprise a plurality of sectional rods 4, the plurality of sectional rods 4 are fixedly connected through the flange plate 5, the rib plate 6 is arranged between the flange plate 5 and the sectional rods 4, the inclined strut arm 7 is fixedly connected between the outer extension part 2 and the vertical rods 3, the plurality of middle triangular frames 8 are fixedly connected between the three vertical rods 3, the top triangular frame 9 is positioned above the plurality of middle triangular frames 8, an inner reinforcing frame 10 is fixedly connected to the inside of the top triangular frame 9, diagonal draw bars 11 are fixedly connected between the adjacent middle triangular frames 8, ladders 12 are fixedly connected to the side ends of the plurality of middle triangular frames 8, an upper extending portion 13 is provided on the top end of the vertical bar 3, and a lightning rod 14 is fixedly connected to the top end of the upper extending portion 13. Meanwhile, the connecting plate 15 is welded on one edge of the bottom triangular frame 1, and the connecting plate 15 is fixedly connected with the other edge of the bottom triangular frame 1 through bolts. The bottom triangular frame 1, the middle triangular frame 8, the top triangular frame 9 and the inner reinforcing frame 10 are all in a regular triangle shape, and three vertexes of the inner reinforcing frame 10 are respectively welded at the middle points of three sides of the top triangular frame 9. The lightning rod 14 is fixedly connected to the top end of the upper extension part 13 through a flange seat, and fins are welded between the flange seat and the upper extension part 13. The fixed connection between the diagonal draw bar 11 and the middle triangular frame 8 is welding; the fixed connection between the ladder stand 12 and the middle triangular frame 8 is welding.
The embodiments of the present invention have been described in detail, but the description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model. Any modification, equivalent replacement, and improvement made within the scope of the application of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A novel cross arm device for a power transmission line is characterized by comprising a bottom triangular frame (1), an extending part (2), a vertical rod (3), sectional rods (4), a flange plate (5), a rib plate (6), an inclined supporting arm (7), a middle triangular frame (8), a top triangular frame (9), an inner reinforcing frame (10), inclined pull rods (11), a ladder stand (12), an upper extending part (13) and a lightning rod (14), wherein the extending part (2) is arranged at three top points of the bottom triangular frame (1), the vertical rod (3) is fixedly connected at three top points of the bottom triangular frame (1), the vertical rod (3) comprises a plurality of sectional rods (4), the sectional rods (4) are fixedly connected through the flange plate (5), the rib plate (6) is arranged between the flange plate (5) and the sectional rods (4), the inclined supporting arm (7) is fixedly connected between the extending part (2) and the vertical rod (3), three triangle-shaped frame (8) in a plurality of fixedly connected with between three montant (3), three triangle-shaped frame (9) fixed connection in the top is between three montants (3), three triangle-shaped frame (9) in the top are located three triangle-shaped frame (8) tops in a plurality of, strengthen frame (10) in the inside fixedly connected with of three triangle-shaped frame (9) in the top, fixedly connected with diagonal draw bar (11) between adjacent three triangle-shaped frame (8), side fixedly connected with cat ladder (12) of three triangle-shaped frame (8) in a plurality of, extension (13) have on the top of montant (3), top fixedly connected with lightning rod (14) at last extension (13).
2. The novel cross arm device for the power transmission line is characterized by further comprising a connecting plate (15), wherein the connecting plate (15) is welded on one edge of the triangular bottom frame (1), and the connecting plate (15) is fixedly connected with the other edge of the triangular bottom frame (1) through bolts.
3. The novel cross arm device for the power transmission line is characterized in that a bottom triangular frame (1), a middle triangular frame (8), a top triangular frame (9) and an inner reinforcing frame (10) are all in a regular triangle shape, and three vertexes of the inner reinforcing frame (10) are respectively welded at the middle points of three sides of the top triangular frame (9).
4. A new type of cross-arm device for electric transmission lines, according to claim 1, characterized in that the lightning conductor (14) is fixedly connected to the top end of the upper extension (13) by means of a flange seat, between which flange seat and the upper extension (13) fins are welded.
5. The novel cross arm device for the power transmission line is characterized in that the fixed connection between the diagonal draw bars (11) and the middle triangular frame (8) is welding; the fixed connection between the ladder stand (12) and the middle triangular frame (8) is welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331557.1U CN215803631U (en) | 2021-09-26 | 2021-09-26 | Novel cross arm device for power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122331557.1U CN215803631U (en) | 2021-09-26 | 2021-09-26 | Novel cross arm device for power transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215803631U true CN215803631U (en) | 2022-02-11 |
Family
ID=80166522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122331557.1U Active CN215803631U (en) | 2021-09-26 | 2021-09-26 | Novel cross arm device for power transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215803631U (en) |
-
2021
- 2021-09-26 CN CN202122331557.1U patent/CN215803631U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102330470B (en) | Single-layer prestressing frame structure | |
| CN209212028U (en) | A kind of rapid rush-repair tower | |
| CN215803631U (en) | Novel cross arm device for power transmission line | |
| CN216949703U (en) | Power transformation framework | |
| WO2022042263A1 (en) | Power transformation framework | |
| CN212359263U (en) | Power transformation framework | |
| CN210508615U (en) | Power transformation framework | |
| RU51069U1 (en) | 6-10 kV CLASS ELECTRIC TRANSMISSION AIR LINE (OPTIONS) | |
| CN211899965U (en) | High strength exempts from cross arm for guy pole | |
| CN217756385U (en) | Standard knot of elevator | |
| CN210508617U (en) | Power transformation framework | |
| CN111864543A (en) | Power transformation framework | |
| CN111864546A (en) | Power transformation framework | |
| CN111864544A (en) | Power transformation framework | |
| CN219322037U (en) | High-span power bridge | |
| CN204457038U (en) | A kind of substation framework crossbeam cantilevered structure and truss | |
| CN220273549U (en) | Flexible photovoltaic bracket | |
| CN212626525U (en) | Power transformation framework | |
| CN212626526U (en) | Power transformation framework | |
| CN214303117U (en) | Power transmission tower | |
| CN212359262U (en) | Power transformation framework | |
| CN220724825U (en) | Assembled string bridge structure | |
| CN218633755U (en) | Flexible photovoltaic support | |
| CN214273121U (en) | Guyed tower | |
| CN212626527U (en) | Power transformation framework |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |