CN216134250U - Wire installation component of composite cross arm - Google Patents

Wire installation component of composite cross arm Download PDF

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Publication number
CN216134250U
CN216134250U CN202122056620.5U CN202122056620U CN216134250U CN 216134250 U CN216134250 U CN 216134250U CN 202122056620 U CN202122056620 U CN 202122056620U CN 216134250 U CN216134250 U CN 216134250U
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China
Prior art keywords
cross arm
yoke plate
plate
composite cross
wire
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CN202122056620.5U
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Chinese (zh)
Inventor
王鑫龙
张冲
王青占
李维勃
李焱琳
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Shanghai Shenma Electric Power Engineering Co ltd
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Shanghai Shenma Electric Power Engineering Co ltd
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Abstract

The application discloses a lead mounting assembly of a composite cross arm, which comprises a composite cross arm connecting hardware fitting and a mounting yoke plate; the composite cross arm connecting hardware fitting is provided with an installation yoke plate connecting part, the installation yoke plate is fixedly connected to the composite cross arm connecting hardware fitting through the installation yoke plate connecting part, and the installation yoke plate is positioned above the composite cross arm connecting hardware fitting; the installation yoke plate comprises an upper yoke plate and a lower yoke plate, the relative position between the upper yoke plate and the lower yoke plate is adjustable, and the upper yoke plate is fixedly connected with the composite cross arm connecting hardware fitting through the lower yoke plate. This application is through optimizing compound cross arm link fitting's structure for can increase the installation yoke plate on the compound cross arm link fitting, and will install the yoke plate and set up in compound cross arm link fitting top, increased certain height that articulates, for lever block's operation provides the space, simplify the wire installation of compound cross arm power transmission tower, improve the installation effectiveness.

Description

Wire installation component of composite cross arm
Technical Field
The application relates to the aspects of installation, operation and maintenance of power transmission lines, in particular to a wire installation assembly of a composite cross arm.
Background
With the rapid development of electric power utilities in China, the composite cross arm power transmission tower appears in recent years, the height of the tower can be reduced, the occupied land is saved, the maintenance is not required to be performed by power failure at regular intervals, the windage yaw flashover accident is not easy to occur, and the power supply stability is greatly improved. However, because the composite cross arm in the composite cross arm power transmission tower has good insulating property, the traditional suspension insulator can be replaced by the suspension hardware string, the shortened interlayer spacing is reduced, and particularly the low voltage grade is caused, the length of the hardware string is short, the use requirement of the traditional wire lifting tool cannot be met, and efficient wire lifting installation cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model provides a compound cross arm's wire installation component can make traditional wire lifting tool be applicable to compound cross arm power transmission tower, realizes high-efficient installation.
In order to solve the above problems, the present application adopts a technical solution that: the lead mounting assembly of the composite cross arm comprises a composite cross arm connecting hardware fitting and a mounting yoke plate; the composite cross arm connecting hardware fitting is provided with an installation yoke plate connecting part, the installation yoke plate is fixedly connected to the composite cross arm connecting hardware fitting through the installation yoke plate connecting part, and the installation yoke plate is positioned above the composite cross arm connecting hardware fitting; the installation yoke plate comprises an upper yoke plate and a lower yoke plate, the relative position between the upper yoke plate and the lower yoke plate is adjustable, and the upper yoke plate is fixedly connected with the composite cross arm connecting hardware fitting through the lower yoke plate.
The composite cross arm connecting hardware fitting comprises a cross arm connecting piece, an intermediate plate and a wire hanging connecting piece; the cross arm connecting piece and the hanging wire connecting piece are respectively arranged on two sides of the middle plate.
The cross arm connecting piece comprises a sleeve and a hanging lug, one end of the sleeve is fixedly connected to the middle plate, and the other end of the sleeve is used for connecting the composite cross arm; the hanging lug is arranged on the periphery of the sleeve.
The cross arm connecting piece is further provided with a first reinforcing plate, one end of the hanging lug is abutted to the middle plate, and the other end of the hanging lug is fixedly connected with the first reinforcing plate.
The installation yoke plate connecting part is arranged on the middle plate and is positioned above the wire hanging connecting piece.
The hanging wire connecting piece comprises a hanging wire plate and a second reinforcing plate, the second reinforcing plate is fixedly connected with the hanging wire plate on the middle plate, and the second reinforcing plate is fixedly connected with the hanging wire plate.
The upper yoke plate comprises a first connecting portion, and the upper yoke plate is fixedly connected with the lower yoke plate through the first connecting portion.
The lower yoke plate comprises an installation part, and the installation part is fixedly connected with the installation yoke plate connecting part and is fixedly connected with the composite cross arm connecting hardware fitting.
Wherein the width of the upper yoke plate is greater than that of the lower yoke plate.
The upper yoke plate is provided with at least two hanging holes, and the horizontal distance between the at least two hanging holes is larger than the width of the lower yoke plate.
The beneficial effect of this application is: this application provides a detachable installation yoke plate simultaneously through optimizing compound cross arm coupling assembling structure for current hanging tool can be applicable to the wire installation of compound cross arm tower, has simplified the wire installation process of compound cross arm tower greatly, has promoted the installation effectiveness.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic view of the overall mounting structure of a composite cross arm 10 provided herein;
FIG. 2 is a schematic structural view of a mounting yoke plate 100 provided herein;
fig. 3 is a schematic structural diagram of the composite cross arm link fitting 200 provided in the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 3, the wire mounting assembly 1000 of the composite cross arm includes a mounting yoke plate 100 and a composite cross arm connecting fitting 200, when performing mounting operation, the mounting yoke plate 100 is fixedly connected to the composite cross arm connecting fitting 200, so as to mount a wire on the composite cross arm 10 by using a conventional wire mounting tool, and after the mounting operation is completed, the mounting yoke plate 100 can be removed, and can be reused, thereby improving economy.
Specifically, the composite cross arm link fitting 200 includes a cross arm link 210, an intermediate plate 220, and a wire hanging link 230; the cross arm connector 210 and the wire hanging connector 230 are respectively disposed at both sides of the middle plate 220. The cross arm connecting piece 210 and the hanging wire connecting piece 230 are fixedly connected through the middle plate 220 to form a whole, wherein the cross arm connecting piece 210 is used for connecting a composite cross arm, and the hanging wire connecting piece 230 is used for hanging a conducting wire.
Further, the cross arm connector 210 comprises a sleeve 211 and three hanging lugs 212, the sleeve 211 is of a hollow cylindrical structure, the middle plate 220 is of a plate-shaped structure, the lower edge of the plate-shaped structure is arc-shaped, and the cylindrical structure of the sleeve 211 and the lower part of the middle plate 220 are both of smooth structures without edges and corners, which are beneficial to balancing an electric field and preventing field intensity distortion and abnormal discharge. One end of the sleeve 211 is fixedly connected to the middle plate 220, and the other end of the sleeve 211 is used for connecting a composite post insulator in the composite cross arm 10. The sleeve 211 and the end of the composite post insulator may be fixedly connected by crimping or cementing, and the sleeve 211 and the middle plate 220 may be fixed by welding or may be integrally formed. In other embodiments, two or more sleeves may be included in the cross-arm connector to facilitate connection of two or more composite post insulators, thereby withstanding greater tension for different voltage levels of the transmission tower.
Preferably, the three hanging lugs 212 are uniformly arranged on the outer periphery of the sleeve 211 and located at the upper half portion of the sleeve 211, because the hanging lugs 212 in the cross-arm connector 210 are generally used for hanging composite cable-stayed insulators, which have excellent tensile strength and poor compressive strength, and thus the composite cable-stayed insulators are generally arranged above or at the side of the composite post insulator to provide tensile force. In other embodiments, the number of the hanging lugs may be one, two or more, and the positions may be set arbitrarily, which is subject to practical requirements and is not limited herein.
In order to enhance the connection strength of the cross arm connector 210, the cross arm connector 210 is further provided with three first reinforcing plates 213, the three first reinforcing plates 213 and the three hanging lugs 212 are correspondingly arranged on the periphery of the sleeve 211 one by one, one end of each hanging lug 212 abuts against the middle plate 220, and the other end of each hanging lug 212 is fixedly connected with the first reinforcing plate 213. Further, the hanging lug 212 is disposed perpendicular to the first reinforcing plate 213. The arrangement of the first reinforcing plate 213 can provide a certain support for the hanging lug 212, so that the connection stability of the composite cable-stayed insulator can be better guaranteed.
Further, the middle plate 220 is provided with a mounting yoke plate connecting portion 221, and the mounting yoke plate 100 is fixedly connected to the composite cross arm link fitting 200 through the mounting yoke plate connecting portion 221. Preferably, the mounting yoke plate connecting portion 221 is disposed above the middle plate 220 and above the wire hanging connector 230, so that the mounting yoke plate 100 is located above the composite cross arm connector 200 after being fixedly connected with the composite cross arm connector 200, thereby providing a larger operating space for a wire installation tool and facilitating installation.
Further, the wire hanging connector 230 includes a wire hanging plate 231 and a second reinforcing plate 232, both the second reinforcing plate 232 and the wire hanging plate 231 are fixedly connected to the side of the middle plate 220 away from the cross arm connector 210, and the wire hanging connector 230 is used for hanging a wire. The second reinforcing plate 232 and the wire hanging plate 231 are perpendicular to each other and fixedly connected. The combination of the second reinforcing plate 232 and the wire hanging plate 231 enables the wire hanging connecting piece 230 to have higher connecting strength and higher structural reliability. Further, a wire hanging hole 233 is provided on the wire hanging plate 231 for hanging the wire connecting fitting 400, thereby hanging the wire. A plurality of wire hanging holes 233 can be arranged at different positions on the wire hanging plate 231, so that the hanging position of the wire can be conveniently adjusted according to actual working conditions.
The mounting yoke plate 100 comprises an upper yoke plate 110 and a lower yoke plate 120, the relative position between the upper yoke plate 110 and the lower yoke plate 120 is adjustable, and the upper yoke plate 110 is fixedly connected with the composite cross arm link fitting 200 through the lower yoke plate 120.
Specifically, the upper link plate 110 includes a first connection portion 111, and the first connection portion 111 is provided with a plurality of first connection holes 1110; the lower yoke plate 120 includes a second connecting portion 121, and a plurality of second connecting holes 1210 are formed in the second connecting portion 121. The upper yoke plate 110 is fixedly coupled to the lower yoke plate 120 by a first coupling portion 111.
The position of the second connection hole 1210 on the second connection part 121 corresponds to the position of the first connection hole 1110 on the first connection part 111, and a fastener (not shown) simultaneously passes through the first connection hole 1110 and the second connection hole 1210 to fixedly connect the upper link plate 110 and the lower link plate 120, wherein the upper link plate 110 and the lower link plate 120 are stably connected through the two first connection holes 1110 and the two second connection holes 1210. Further, at least two second connection holes 1210 are located at different levels and/or at least two first connection holes 1110 are located at different levels, and the relative positions between the upper link plate 110 and the lower link plate 120 are adjustable by the cooperation of the first connection holes 1110 and the second connection holes 1210 at different levels. The fastening member may be various bolts or other structures capable of fixedly connecting the upper link plate 110 and the lower link plate 120, and is not particularly limited herein, depending on the actual requirements. Of course, in other embodiments, the upper link plate and the lower link plate may also be fixedly connected through a connection hole, or through a connection manner such as clamping, and the like, which is not limited herein.
In this embodiment, the lower yoke plate 120 is two metal plates with the same structure, and the two metal plates are clamped and fixed on two sides of the upper yoke plate 110.
The lower yoke plate 120 is further provided with a mounting portion 122, and the lower yoke plate 120 is fixedly connected with the composite cross arm link fitting 200 through the mounting portion 122. Specifically, four first through holes 1220 are provided on the mounting portion 122, each two first through holes 1220 are located at the same level, two sets of first through holes 1220 are distributed at two different levels, and the horizontal distance between the two first through holes 1220 of each set is equal. Accordingly, the composite cross arm connecting fitting 200 includes the mounting yoke plate connecting part 221, two second through holes 2210 are provided in the mounting yoke plate connecting part 221, the two second through holes 2210 are provided corresponding to the two first through holes 1220 of each set, and a fastener (not shown) is simultaneously passed through the corresponding second through holes 2210 and the first through holes 1220, thereby fastening and connecting the mounting yoke plate 100 and the composite cross arm connecting fitting 200. The detachable movable connection is flexible and convenient, the installation connecting plate 100 can be installed on the composite cross arm connecting hardware fitting 200 when a wire is installed, after the wire is installed, the installation connecting plate 100 can be detached and reused, the detachable movable connection can be suitable for installation of the wires of the power transmission towers with different voltage levels, the universality is improved, and resources can be saved.
Of course, in other embodiments, only one first through hole or more first through holes may be provided on the mounting portion, and only one second through hole or more second through holes may be provided on the mounting yoke plate connecting portion; or, the installation part and the installation yoke plate connecting part can also be fixedly connected through other modes, such as clamping, welding and the like, and specific limitation is not made here to realize the fixed connection.
The installation part 122 is provided with two first through holes 1220 at two different levels, and the installation connecting plate connecting part 221 can be connected to the first through holes 1220 at two different levels of the installation part 122, so that the relative position between the installation connecting plate 100 and the composite cross arm connecting fitting 200 can be adjusted, the universality of the installation connecting plate 100 can be improved, and the installation connecting plate is suitable for composite cross arm towers with different specifications.
Of course, in other embodiments, the number of the first through holes at the same level may also be one, three or more; and also can set up multiunit second through-hole on the different level of installation yoke plate connecting portion, through with installation department and the second through-hole interconnect of different level to the relative position between adjustment installation yoke plate and the compound cross arm link fitting, perhaps, also can be through modes fixed connection such as welding between installation yoke plate and the compound cross arm link fitting, do not do specific restriction here.
In order to hook the wire hooking tool 300, the upper yoke plate 110 has a width greater than that of the lower yoke plate 120 so that the wire hooking tool 300 is hooked on both sides of the lower yoke plate 120 without being blocked. The upper yoke plate 110 is provided with at least two hooking holes 1120, and a horizontal distance between the at least two hooking holes 1120 is greater than a width of the lower yoke plate 120. Specifically, the upper yoke plate 110 is provided with a first hanging part 1121 and a second hanging part 1122, and the first hanging part 1121 and the second hanging part 1122 are respectively located at both sides of the first connecting part 111. The first hanging part 1121 and the second hanging part 1122 are respectively provided with three hanging holes 1120 symmetrically; the symmetrically arranged holes 1120 enable the two wire hooking tools 300 hooked on the two corresponding holes 1120 to be symmetrically arranged, so that the stress of the whole structure is more balanced, and the installation and construction are facilitated. The horizontal distance between the hooking holes 1120 of the first hooking part 1121 and the hooking holes 1120 of the second hooking part 1122 is greater than the width of the lower connecting plate 120, so that the two wire hooking tools 300 can be respectively hung on the hooking holes 1120 of the first hooking part 1121 and the hooking holes 1120 of the second hooking part 1122, and are hung without being blocked.
Taking the first hanging portion 1121 as an example, the first hanging portion 1121 is a plate-shaped structure and is outwardly extended from a side of the first connecting portion 111, an upper edge of the first hanging portion 1121 is flush with an upper edge of the first connecting portion 111, a size of the first hanging portion 1121 is gradually reduced along a direction away from the first connecting portion 111, and the three hanging holes 1120 are coaxially arranged and located at different horizontal heights, so that a hanging position of the wire hanging tool 300 can be adjusted according to actual conditions, and materials used for the first hanging portion 1121 can be saved.
The installation yoke plate 100 of the present application is used as follows: the mounting yoke plate 100 is assembled first. Specifically, according to the installation requirements, such as the voltage class of the power transmission line and the size specification of the lever block, a suitable connection position is selected, the upper yoke plate 110 and the lower yoke plate 120 are fixedly connected, and the installation yoke plate 100 with a suitable specification and size is assembled.
Next, the mounting yoke plate 100 is fixedly connected to the composite cross arm link fitting 200. Specifically, the assembled mounting yoke plate 100 is fixedly connected to the mounting yoke plate connecting portion 221 located above the composite cross arm link fitting 200 through the mounting portion 122 located at the bottom of the lower yoke plate 120, that is, the mounting yoke plate 100 is disposed at the top of the composite cross arm link fitting 200, wherein the relative position between the mounting yoke plate 100 and the composite cross arm link fitting 200 can be selected according to actual working conditions.
And then the wire hooking tool 300 is hung on the upper yoke plate 110. The two wire hooking tools 300 are respectively hooked on the first hooking part 1121 and the second hooking part 1122 of the upper yoke plate 110, and an appropriate and mutually symmetrical hooking hole 1120 is respectively selected on the first hooking part 1121 and the second hooking part 1122 according to actual requirements. Specifically, the wire hooking tool 300 includes a wire rope loop 301, a lever block 302 and a wire lifter 303; the two wire hanging tools 300 are respectively hung on the two symmetrical hanging holes 1120 through the wire rope sleeves 301 and are symmetrically arranged, so that the whole structure is symmetrical, and the installation is convenient.
And then the wire is hooked and lifted by the wire hooking tool 300 and is hooked on the wire connecting fitting 400. The wire is transferred from the wire-hanging trolley (not shown) to the wire-hanging tool 300, the wire-hanging trolley is removed, and then the wire connection fitting 400 is installed. The wire is hooked and lifted by the wire hooking tool 300, and when the wire is lifted to a predetermined position, the wire is hooked from the wire hooking tool 300 to the wire connecting metal tool 400. Specifically, the wire lifter 303 is connected to the lever block 302, and is located at the lowest part of the wire hooking tool 300 for hooking a wire; the lever block 302 is used in cooperation with a wire rope, and the wire rope can be retracted or released by rotating the lever block 302 so as to lift or lower the wire.
Finally, the wire hooking tool 300 is removed. After the wire displacement installation is completed, the wire hooking tool 300 is removed.
In summary, the structure of the composite cross arm connecting hardware fitting is optimized, so that the composite cross arm connecting hardware fitting can be additionally provided with the installation yoke plate, and the installation yoke plate is arranged above the composite cross arm connecting hardware fitting, so that a certain hanging height is increased, and a space is provided for the operation of the lever block; meanwhile, the universality of the installation yoke plate is improved by utilizing the upper yoke plate and the lower yoke plate with adjustable relative positions, so that the traditional wire lifting device can be used for the wire installation requirements of composite cross arm power transmission towers with different voltage levels, the installation process of the composite cross arm power transmission towers is simplified, and the installation efficiency is improved.
The above description is only for the purpose of illustrating embodiments of the present application and is not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application or are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A lead mounting assembly of a composite cross arm is characterized in that,
the composite cross arm connecting hardware fitting comprises a composite cross arm connecting hardware fitting and a mounting yoke plate;
the composite cross arm connecting hardware fitting is provided with an installation yoke plate connecting part, the installation yoke plate is fixedly connected to the composite cross arm connecting hardware fitting through the installation yoke plate connecting part, and the installation yoke plate is positioned above the composite cross arm connecting hardware fitting;
the installation yoke plate comprises an upper yoke plate and a lower yoke plate, the relative position between the upper yoke plate and the lower yoke plate is adjustable, and the upper yoke plate is fixedly connected with the composite cross arm connecting hardware fitting through the lower yoke plate.
2. The composite cross arm wire mounting assembly of claim 1 wherein the composite cross arm link hardware comprises a cross arm link, an intermediate plate, and a wire hanging link; the cross arm connecting piece and the hanging wire connecting piece are respectively arranged on two sides of the middle plate.
3. The composite cross arm wire mounting assembly of claim 2 wherein said cross arm connector comprises a sleeve and a hooking lug, said sleeve having one end fixedly attached to said intermediate plate and the other end for attachment to a composite cross arm; the hanging lug is arranged on the periphery of the sleeve.
4. A composite cross arm wire mounting assembly as in claim 3 wherein said cross arm connector further comprises a first reinforcement plate, one end of said engaging lug abuts said intermediate plate and the other end is fixedly connected to said first reinforcement plate.
5. A composite cross arm wire mounting assembly as defined in claim 2, wherein said mounting yoke plate attachment portion is disposed on said intermediate plate, said mounting yoke plate attachment portion being located above said wire hanging connection.
6. The composite cross arm wire mounting assembly of claim 2 wherein said wire attachment connector comprises a wire attachment plate and a second stiffener, said second stiffener and said wire attachment plate both being fixedly attached to said intermediate plate, said second stiffener and said wire attachment plate being fixedly attached to each other.
7. A composite cross arm wire mounting assembly as defined in claim 1, wherein said upper yoke plate includes a first connecting portion, said upper yoke plate being fixedly connected to said lower yoke plate by said first connecting portion.
8. The composite cross arm wire mounting assembly of claim 1 wherein the lower yoke plate includes a mounting portion fixedly connected to the mounting yoke plate connection portion to fixedly connect the mounting yoke plate to the composite cross arm link fitting.
9. The composite cross arm wire mounting assembly of claim 1 wherein the upper yoke plate has a width greater than a width of the lower yoke plate.
10. A composite cross arm wire mounting assembly as defined in claim 9 wherein said upper yoke plate has at least two attachment holes, the horizontal distance between said at least two attachment holes being greater than the width of said lower yoke plate.
CN202122056620.5U 2021-08-30 2021-08-30 Wire installation component of composite cross arm Active CN216134250U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122056620.5U CN216134250U (en) 2021-08-30 2021-08-30 Wire installation component of composite cross arm

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122056620.5U CN216134250U (en) 2021-08-30 2021-08-30 Wire installation component of composite cross arm

Publications (1)

Publication Number Publication Date
CN216134250U true CN216134250U (en) 2022-03-25

Family

ID=80771998

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122056620.5U Active CN216134250U (en) 2021-08-30 2021-08-30 Wire installation component of composite cross arm

Country Status (1)

Country Link
CN (1) CN216134250U (en)

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