CN212507672U

CN212507672U - Composite insulation cross arm for power distribution

Info

Publication number: CN212507672U
Application number: CN202020926787.5U
Authority: CN
Inventors: 郑哲; 鲍雄飞; 范廷勇; 龚园; 张成红
Original assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Current assignee: Gulifa Electric Co ltd; Gulifa Group Co Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-02-09
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a compound insulation cross arm for distribution, including the cross arm body, both ends difference fixed mounting has No. two to reserve the pipe and reserves the pipe No. one about the cross arm body, No. two reserve pipe upper end threaded connection have No. two connecting pieces, No. one reserve pipe lower extreme threaded connection have a connecting piece No. one, cross arm body left end downside and the equal fixed mounting of right-hand member downside have the connecting plate, all open the through-hole on the connecting plate. The composite insulating cross arm for power distribution, provided by the utility model, has the advantages that the anti-ultraviolet agent and the anti-aging agent are contained in the fluoroplastic polymer, so that the insulating cross arm is anti-ultraviolet, not easy to age and corrosion resistant, and the service life of the cross arm is prolonged; and staple bolt aggregate erection on No. two connecting pieces forms the staple bolt spare, and the cross arm body other end can be connected the wire for the aggregate erection of cross arm is more convenient, has shortened installer's work load.

Description

Composite insulation cross arm for power distribution

Technical Field

The utility model relates to a distribution technical field, in particular to compound insulation cross arm is used in distribution.

Background

The cross arm is used as a main supporting component of a power transmission line iron tower, and for a long time, the cross arm of a super high voltage power transmission line in China and even all countries around the world runs in a mode of hanging an insulator string by adopting a steel structure, but the existing insulating cross arm is easy to corrode and age in a severe environment, so that the service life of a cross arm body is shortened; the existing composite insulating cross arm has the problem of inconvenient installation, so that the installation steps are too complicated in the installation and use process, the installation speed is reduced, the installation time is prolonged, the workload of an installer is increased, and the composite insulating cross arm is not beneficial to the use of line installation.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a composite insulating cross arm for power distribution, which can effectively solve the problems in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a compound insulation cross arm for distribution, includes the cross arm body, both ends difference fixed mounting has No. two to reserve the pipe and reserves the pipe No. one about the cross arm body, and reserves pipe No. two and reserves all to be carved with the screw thread on the pipe No. one, the cross arm body, reserve pipe No. two and reserve the inside solid construction that is of pipe No. one, No. two reservation pipe upper end threaded connection have No. two connecting pieces, No. one reserve pipe lower extreme threaded connection have a connecting piece No. one, the equal fixed mounting of cross arm body left end downside and right-hand member downside has the connecting plate, all open the through-hole on the connecting plate.

Preferably, a connecting piece includes the mounting panel, mounting panel upper end middle part fixed mounting has a connecting pipe No. one, the internal thread is carved with to a connecting pipe inside, the mounting panel outside is opened the mounting hole that has a plurality of equidistance installations.

Preferably, No. two connecting pieces include No. two connecting pipes, No. two connecting pipe upper end fixed mounting have a ring flange and No. two ring flanges, and a ring flange is located No. two ring flange lower extremes, the screw that a plurality of equidistance installations is connected to the outside common screw thread of a ring flange and No. two ring flanges, No. two connecting pipe lower extremes and No. two reserve pipe upper end threaded connection.

Preferably, No. two flange plate upper end middle part fixed mounting have No. three connecting pipes, No. three connecting pipe upper end fixed mounting have the staple bolt, the staple bolt left part all opens No. two mounting holes with the right part.

Preferably, the inside fixed mounting of cross arm body has the foaming plastic layer, the fixed epoxy insulating layer that has pasted in the foaming plastic layer outside, epoxy insulating layer outside fixed mounting has the sheath layer, the sheath layer is fluoroplastics polymer.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses in, through setting up the cross arm body into the solid construction of epoxy insulating layer and epoxy insulating layer for insulating cross arm itself has good insulating nature, and cross arm body protective sheath is fluoroplastics polymer, and fluoroplastics polymer inside contains anti ultraviolet agent and antiager, makes insulating cross arm dampproofing and waterproofing, resistant high and low temperature, ultraviolet resistance, difficult ageing, anticorrosive, thereby extension cross arm body life.

(2) The utility model discloses in, through staple bolt composite mounting and formation clamp spare with on the connecting piece No. two, clamp spare is held tightly in the pole upper end to accomplish being connected of cross arm body one end and pole, and cross arm body other end accessible mounting hole can be connected the wire and carry out composite mounting to the gold utensil, make the composite mounting of cross arm more convenient, accelerated the installation rate, shortened installer's work load.

Drawings

Fig. 1 is a schematic view of the overall structure of a composite insulating cross arm for power distribution according to the present invention;

fig. 2 is a schematic structural diagram of a first connecting member of a composite insulating cross arm for power distribution according to the present invention;

fig. 3 is a schematic structural diagram of a second connecting member of a composite insulating cross arm for power distribution according to the present invention;

fig. 4 is a schematic transverse cross-sectional view of a cross arm body of the composite insulating cross arm for power distribution of the present invention.

In the figure: 1. a cross arm body; 2. a through hole; 3. a connecting plate; 4. reserving a tube I; 5. reserving a tube II; 6. a first connecting piece; 7. a second connecting piece; 11. a protective sheath layer; 12. an epoxy resin insulating layer; 13. a foamed plastic layer; 61. mounting a plate; 62. an internal thread; 63. a first connecting pipe; 64. a first mounting hole; 71. a second connecting pipe; 72. a first flange plate; 73. a second flange plate; 74. a screw; 75. a third connecting pipe; 76. hooping; 77. and a second mounting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a compound insulation cross arm for power distribution, including cross arm body 1, both ends are fixed mounting respectively about cross arm body 1 have No. two to reserve pipe 5 and reserve pipe 4 for one, and reserve pipe 5 and reserve pipe 4 for two and all be carved with the screw thread on the pipe, cross arm body 1, reserve pipe 5 and reserve pipe 4 for two inside solid construction, reserve pipe 5 upper end threaded connection for two has connecting piece 7, reserve pipe 4 lower extreme threaded connection for one has connecting piece 6, the equal fixed mounting of cross arm body 1 left end downside and right-hand member downside has connecting plate 3, all open through-hole 2 on connecting plate 3.

Furthermore, a connecting piece 6 includes mounting panel 61, and mounting panel 61 upper end middle part fixed mounting has a connecting pipe 63, and internal thread 62 has been carved with to a connecting pipe 63 inside, and mounting panel 61 is outside to be opened has a mounting hole 64 of a plurality of equidistance installations, and the last mounting hole 64 of opening of mounting panel 61 can be connected the wire and carry out aggregate erection to the gold utensil for the aggregate erection of cross arm is more convenient.

Furthermore, No. two connecting pieces 7 include No. two connecting pipes 71, No. two connecting pipes 71 upper end fixed mounting have a ring flange 72 and No. two ring flanges 73, and a ring flange 72 is located No. two ring flanges 73 lower extreme, the outside common threaded connection of a ring flange 72 and No. two ring flanges 73 has the screw 74 of a plurality of equidistance installations, No. two connecting pipes 71 lower extreme and No. two reserve pipe 5 upper end threaded connection, the staple bolt 76 on No. two ring flanges 73 can be installed in the installation of a ring flange 72 and No. two ring flanges 73.

Furthermore, a third connecting pipe 75 is fixedly installed in the middle of the upper end of the second flange plate 73, an anchor ear 76 is fixedly installed at the upper end of the third connecting pipe 75, the anchor ear 76 can complete the connection between one end of the cross arm body 1 and the electric pole, and a second mounting hole 77 is formed in each of the left portion and the right portion of the anchor ear 76.

Furthermore, a foamed plastic layer 13 is fixedly mounted inside the cross arm body 1, an epoxy resin insulating layer 12 is fixedly adhered to the outer side of the foamed plastic layer 13, a protective sleeve layer 11 is fixedly mounted on the outer side of the epoxy resin insulating layer 12, the protective sleeve layer 11 is a fluoroplastic polymer, an ultraviolet inhibitor and an anti-aging agent are contained inside the fluoroplastic polymer, and the service life of the cross arm body 1 can be prolonged.

It should be noted that the present invention relates to a composite insulating cross arm for power distribution, which can be assembled and installed by two hoops 76 on the second connecting piece 7 to form a hoop member, the hoop member formed by two hoops 76 is tightly held on the upper end of the electric pole, thereby completing the connection of one end of the cross arm body 1 with the electric pole, the other end of the cross arm body 1 can be connected with the first connecting piece 6 by the first reserved tube 4, and the first mounting hole 64 opened on the mounting plate 61 can connect the conducting wire and assemble and install the hardware fitting, so that the assembly and installation of the cross arm are more convenient, the through hole 2 installed on the cross arm body 1 can penetrate the conducting wire and the loading member, the bearing load of the cross arm body 1 is reduced, the safety of the cross arm body 1 is improved, the cross arm body 1 is of a solid structure, and the protective sheath layer 11 of the cross arm body 1 is fluoroplastic polymer, and the fluoroplastic polymer contains an ultraviolet-proof agent and an anti-aging agent, so that the insulating cross arm has good insulativity, is waterproof, moistureproof, resistant to high and low temperatures, ultraviolet-proof, not easy to age and resistant to corrosion, and the service life of the cross arm body 1 is prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a compound insulating cross arm for distribution, includes cross arm body (1), its characterized in that: both ends difference fixed mounting has No. two to reserve pipe (5) and reserve pipe (4) No. one about cross arm body (1), and reserves pipe (5) and reserve pipe (4) No. two and all be carved with the screw thread on, cross arm body (1), reserve pipe (5) and reserve pipe (4) inside and be solid construction No. two, No. two reserve pipe (5) upper end threaded connection has connecting piece (7) No. two, reserve pipe (4) lower extreme threaded connection has connecting piece (6) No. one, the equal fixed mounting of cross arm body (1) left end downside and right-hand member downside has connecting plate (3), all open through-hole (2) on connecting plate (3).

2. The composite insulating cross arm for power distribution of claim 1, wherein: a connecting piece (6) includes mounting panel (61), mounting panel (61) upper end middle part fixed mounting has a connecting pipe (63), connecting pipe (63) inside is carved with internal thread (62), mounting panel (61) outside is opened a mounting hole (64) that have a plurality of equidistance installations.

3. The composite insulating cross arm for power distribution of claim 1, wherein: no. two connecting pieces (7) include No. two connecting pipes (71), No. two connecting pipe (71) upper end fixed mounting have a ring flange (72) and No. two ring flanges (73), and a ring flange (72) are located No. two ring flanges (73) lower extreme, the screw (74) of a plurality of equidistance installations are connected to ring flange (72) and No. two ring flanges (73) outside common screw thread, No. two connecting pipe (71) lower extreme and No. two reserve pipe (5) upper end threaded connection.

4. The composite insulating cross arm for power distribution of claim 3, wherein: no. two ring flange (73) upper end middle part fixed mounting have No. three connecting pipe (75), No. three connecting pipe (75) upper end fixed mounting has staple bolt (76), staple bolt (76) left part and right part all opened No. two mounting holes (77).

5. The composite insulating cross arm for power distribution of claim 1, wherein: the inside fixed mounting of cross arm body (1) has foamed plastic layer (13), the fixed epoxy insulating layer (12) of having pasted in foamed plastic layer (13) outside, epoxy insulating layer (12) outside fixed mounting has protective sheath layer (11), protective sheath layer (11) are fluoroplastics polymer.