CN210067583U

CN210067583U - Cross arm gold utensil, cross arm, transmission of electricity pole

Info

Publication number: CN210067583U
Application number: CN201920273695.9U
Authority: CN
Inventors: 马斌; 徐康; 李德权; 郁杰
Original assignee: Jiangsu Shenma Electric Power Co Ltd
Current assignee: Jiangsu Shenma Electric Power Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-02-14
Anticipated expiration: 2029-03-04

Abstract

The application discloses cross arm gold utensil, cross arm, power transmission pole, the cross arm gold utensil sets up on the plug of cross arm, including the sleeve and certainly connecting portion that the sleeve surface extends, the sleeve is hollow structure, is used for the cladding to be fixed in the outer peripheral face of plug, connecting portion be used for with body of rod mounting cooperation be connected with the cross arm is fixed in on the body of rod. The cross arm hardware fitting is simple in structure and convenient to install, and does not affect the mechanical property and the bearing capacity of the cross arm.

Description

Cross arm gold utensil, cross arm, transmission of electricity pole

Technical Field

The application relates to the technical field of power transmission, in particular to a cross arm hardware fitting, a cross arm and a power transmission pole.

Background

The cross arm is in transmission line, with body of rod fixed connection for support wire, and guarantee to have the safe distance of regulation between the wire. When the cross arm is connected with the rod body, the cross arm can be directly fixed on the rod body, and the cross arm can also be connected with the rod body through the connecting plate.

The inventor of the application finds that when the cross arm is directly connected with the rod body, holes need to be drilled on the cross arm, and the mechanical property and the bearing capacity of the cross arm can be influenced; when connecting through the connecting plate, need multiple accessory to assist, accessory quantity is many and weight is heavy.

SUMMERY OF THE UTILITY MODEL

The utility model provides a cross arm gold utensil, cross arm, transmission of electricity pole, cross arm gold utensil simple structure, the installation of being convenient for to do not influence the mechanical properties and the bearing capacity of cross arm.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: provided is a cross arm fitting provided on a mandrel of a cross arm, the cross arm fitting including: the connecting part is used for being connected with the rod body fixing part in a matched mode to fix the cross arm on the rod body.

The sleeve is a square pipe, and the square pipe comprises an upper surface, a lower surface, a left side surface and a right side surface which are arranged oppositely, and the left side surface and the right side surface are adjacent to the upper surface and the lower surface; wherein the connecting portion is provided to the upper surface and the lower surface.

The connecting part is four connecting lugs, the four connecting lugs are symmetrically arranged on the upper surface and the lower surface, and connecting holes are formed in the connecting lugs.

The connecting portion comprises a first connecting plate and a second connecting plate, the first connecting plate extends from the upper surface, a first connecting hole and a second connecting hole are formed in the first connecting plate, the second connecting plate extends from the lower surface, and a third connecting hole and a fourth connecting hole are formed in the second connecting plate.

Wherein, telescopic be provided with the screens piece on the left surface, the screens piece is the door style of calligraphy, the opening of screens piece is kept away from the left surface, and is keeping away from in the direction of left surface, the opening of screens piece increases gradually.

The bottom of the clamping piece is provided with a through hole, and the left side face of the sleeve is exposed out of the through hole.

In order to achieve the purpose, the other technical scheme adopted by the application is as follows: providing a cross arm, the cross arm comprising: the cross arm hardware fitting is the cross arm hardware fitting in any embodiment; the sleeve is fixedly coated on the outer peripheral surface of the mandrel, and the insulating layers are positioned on two sides of the sleeve.

The shape of the inner wall of the sleeve is matched with the cross section of the core rod which is wrapped and fixed in the sleeve.

In order to achieve the purpose, the other technical scheme adopted by the application is as follows: there is provided a power transmission pole including: the cross arm is the cross arm in any one of the embodiments; a rod body; and the rod body fixing part is arranged around the rod body and fixedly connected with the connecting part, so that the cross arm is fixed on the rod body.

The rod body fixing part comprises a hoop, and two ends of the hoop are fixedly connected with the connecting part.

The beneficial effect of this application is: be different from prior art's condition, the cross arm gold utensil that this application provided includes the sleeve and the connecting portion that extend from the sleeve surface, and the sleeve is hollow structure, and during the plug of cross arm wore to locate the sleeve, connecting portion and body of rod mounting cooperation were connected to be fixed in the body of rod with the cross arm. The cross arm hardware fitting is an integral hardware fitting, the integral hardware fitting is fixed on a rod body through a rod body fixing piece, holes do not need to be drilled on a core rod of the cross arm, and an insulating layer on the outer peripheral surface of the core rod cannot be abraded due to long-term stress, so that the mechanical property and the bearing capacity of the cross arm are guaranteed; in addition, the integral gold utensil that this application provided has reduced intermediate junction device's gold utensil quantity among the prior art, has reduced the weight of cross arm gold utensil, and is convenient for install.

In addition, the sleeve of the cross arm hardware fitting provided by the application is also provided with a clamping piece, the clamping piece is in a shape of a Chinese character 'men', the opening of the clamping piece is gradually enlarged in the direction away from the sleeve, and the bottom of the clamping piece is provided with a through hole so that the surface of the sleeve is exposed; through the design of the door-shaped clamping piece, on one hand, after the cross arm hardware fitting and the core rod are assembled, the compression joint can be carried out at the two ends and the middle of the cross arm hardware fitting, the compression joint effect is better, and the connection strength between the hardware fitting and the core rod is ensured; on the other hand, the cross arm can be connected with rod bodies in various forms such as a circle, a polygon and the like, and the universality of the cross arm is greatly improved.

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, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of a cross arm hardware of the present application;

FIG. 2 is a schematic structural diagram of an embodiment of a cross arm of the present application;

fig. 3 is a schematic structural diagram of an embodiment of the transmission pole of the present application;

fig. 4 is a schematic structural diagram of another embodiment of the cross arm hardware of the present application;

fig. 5 is a schematic structural diagram of another embodiment of the cross arm hardware of the present application;

FIG. 6 is a front view of one embodiment of the cross arm of FIG. 2;

fig. 7 is a schematic structural diagram of another embodiment of the transmission pole of the present application;

fig. 8 is a schematic structural view of another embodiment of the transmission pole of the present application;

fig. 9 is a schematic top view of an embodiment of the transmission pole of fig. 3.

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 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, fig. 1 is a schematic structural diagram of an embodiment of a cross arm fitting of the present application, fig. 2 is a schematic structural diagram of an embodiment of a cross arm of the present application, and fig. 3 is a schematic structural diagram of an embodiment of a power transmission pole of the present application.

The cross arm gold utensil 40 that this application provided sets up on cross arm 60's plug 20, and cross arm gold utensil 40 includes: the sleeve 10 is a hollow structure and is used for covering and fixing the outer peripheral surface of the core rod 20, and the connecting part 12 extends from the outer surface of the sleeve 10, and is used for being matched and connected with the rod body fixing part 30 to fix the cross arm 60 on the rod body 32. The sleeve 10 and the connecting portion 12 may be made of metal (e.g., steel), and the sleeve 10 and the connecting portion 12 may be integrally formed or may be separately formed; when the sleeve 10 and the connecting portion 12 are separately formed, the positions of the sleeve 10 and the connecting portion 12 may be fixed by welding or the like. In this embodiment, the sleeve 10 is a square tube including upper and

lower surfaces

100, 102 disposed opposite one another, and left and

right sides

104, 106 adjacent to the upper and

lower surfaces

100, 102; wherein, the connecting portion 12 is disposed on the upper surface 100 and the lower surface 102. Of course, in other embodiments, the structure of the sleeve 10 may be other, such as a rounded square tube, other polygonal tubes, a circular tube, etc.

In an application scenario, as shown in fig. 1, the connecting portion 12 is four engaging lugs 120 (only one is schematically indicated in fig. 1), the four engaging lugs 120 are symmetrically disposed on the upper surface 100 and the lower surface 102, a connecting hole 1200 is disposed on each engaging lug 120, a penetrating direction of the connecting hole 1200 is parallel to the upper surface 100, and the connecting portion 12 and the rod fixing member 30 can be fixedly connected at the position of the connecting hole 1200 by a fixing manner such as a bolt. Wherein, the above mentioned four connecting lugs 120 are symmetrically arranged, that is: the sleeve 10 has a first axial direction L1 in a direction perpendicular to the upper surface 100 and the lower surface 102, the sleeve 10 has a second axial direction L2 in a direction parallel to the upper surface 100, and the two engaging lugs 120 on the upper surface 100 or the lower surface 102 are arranged axially symmetrically with respect to the first axial direction L1; further, the two engaging lugs 120 on the upper surface 100 and the two engaging lugs 120 on the lower surface 102 may also be disposed in axial symmetry with respect to the second axial direction L2.

In another application scenario, as shown in fig. 4, fig. 4 is a schematic structural diagram of another embodiment of the cross arm hardware of the present application. The connecting portion 12a includes a first connecting plate 120a and a second connecting plate 122 a; the first connecting plate 120a extends from the upper surface 100 in a vertical extending manner, the first connecting plate 120a is provided with a first connecting hole 1200a and a second connecting hole 1202a, and a penetrating direction of the first connecting hole 1200a and the second connecting hole 1202a is parallel to the upper surface 100; the second connection plate 122a extends from the lower surface 102 in a vertical direction, and the second connection plate 122a is provided with a third connection hole 1220a and a fourth connection hole 1222a, and the through direction of the third connection hole 1220a and the fourth connection hole 1222a is parallel to the upper surface 100.

In another application scenario, as shown in fig. 5, fig. 5 is a schematic structural diagram of another embodiment of the cross arm hardware of the present application. When the top-phase cross arm needs to be fixed, the cross arm fitting provided by the present application may further add the first extending portion 14 on the basis of fig. 4, the first extending portion 14 extends from the first connecting plate 120a to the direction toward the right side surface 106, and the first extending portion 14 may be parallel to the upper surface 100, and the first extending portion 14 is provided with a plurality of connecting holes 140 for fixing the top-phase cross arm. The first extending portion 14 may be integrally formed with the first connecting plate 120a, or may be fixedly connected by welding.

The cross arm hardware fittings 40 provided in the above embodiments are all integral hardware fittings, which are fixed on the rod body 32 through the rod body fixing part 30, and holes do not need to be drilled on the core rod 20 of the cross arm 60, and the insulating layer on the outer peripheral surface of the core rod 20 is not worn due to long-term stress, so that the mechanical property and the bearing capacity of the cross arm 60 are ensured; in addition, the cross arm gold utensil 40 that this application provided has reduced the gold utensil quantity of intermediate junction device among the prior art, has reduced cross arm gold utensil 40's weight, and is convenient for install.

In another embodiment, referring to fig. 1 again, the lateral arm hardware 40 provided in the present application has a blocking element 16 disposed on the left side surface 104 of the sleeve 10, the blocking element 16 is in a shape of a Chinese character 'men', an opening of the blocking element 16 is far from the left side surface 104, and the opening of the blocking element 16 gradually increases in a direction far from the left side surface 104. In this embodiment, the detent member 16 may be formed separately from the sleeve 10 and the two may be fixed together by welding or the like. In the direction perpendicular to the left side surface 104, the orthographic projection of the blocking piece 16 is positioned in the left side surface 104, and the arrangement mode can ensure that the cross arm fittings 40 can be crimped at two ends of the cross arm fittings 40 after being assembled with the core rod 20; in addition, because the clamping piece 16 is in a door shape in the embodiment, the crimping device has an acting point at the bottom of the clamping piece 16, so that the cross arm fittings 40 can be crimped in the middle of the cross arm fittings 40 after the cross arm fittings 40 are assembled with the core rod 20, and the crimping effect is further improved; in addition, the size of the door-shaped clamping piece 16 is gradually increased in the direction away from the left side surface 104, and the design mode can enable the cross arm 60 to be connected with the rod bodies 32 in various forms such as a circle, a polygon and the like, so that the universality of the cross arm 60 is greatly improved.

In one application, as shown in fig. 1, the bottom (not labeled) of the detent 16 is provided with a through hole 160, and the left side 104 of the sleeve 10 is exposed from the through hole 160. Through-hole 160 can be circular port, quad slit etc. and the crimping device can see through-hole 160 and directly exert the effort to sleeve 10, and for the crimping device exert the effort to the bottom of screens piece 16, the mode that rethread screens piece 16 transmitted this effort to sleeve 10 is compared, and the crimping effect improves, and then guarantees cross arm gold utensil 40 and the intensity of plug 20 lug connection.

The cross arm fitting 40 provided in the present application will be further described below from the perspective of the cross arm 60.

Referring to fig. 2 and 6 together, fig. 6 is a front view of an embodiment of the cross arm of fig. 2. The cross arm 60 provided by the application comprises a cross arm hardware fitting 40, a core rod 20 and an insulating layer 22; the specific structure of the cross arm hardware 40 can be seen in any of the above embodiments, and is not described herein again. The insulating layer 22 covers the outer peripheral surface of the mandrel 20, the sleeve 10 covers and is fixed to the outer peripheral surface of the mandrel 20, and the insulating layer 22 is positioned on both sides of the sleeve 10. In the present embodiment, the shape of the inner wall of the sleeve 10 matches the cross section of the mandrel 20 wrapped and fixed in the sleeve 10, for example, the shapes of the cross sections of the sleeve 10 and the mandrel 20 may be the same. The sleeve 10 may be located in the middle of the core rod 20, and the core rod 20 and the sleeve 10 are fixed by crimping. The core rod 20 may be made of a composite material, for example, by pultrusion of glass fiber impregnated resin, and the core rod 20 formed of the composite material may be lightweight and may reduce the weight of the cross arm 60. The insulating layer 22 may be made of silicon rubber or the like, which can form a silicon rubber umbrella skirt structure on the outer circumferential surface of the core rod 20, the insulating layer 22 can prevent the core rod 20 from being corroded by rain water or the like, and the silicon rubber has good aging resistance and hydrophobic migration property, so that the probability of pollution flashover and rain flashover can be reduced.

In an application scenario, the method for manufacturing the cross arm 60 may be: the sleeve 10 is firstly arranged at the middle position of the core rod 20, the sleeve 10 and the core rod 20 can be fixed by a compression joint mode, for example, compression joint can be carried out at the two ends and the middle of the sleeve 10 by a compression joint device; then, an insulating layer 22 is formed in the area of the core rod 20 not covered by the sleeve 10, for example, a silica gel umbrella skirt can be formed by injection; finally, wire fixing terminals 24 are respectively installed at both ends of the core rod 20, and the wire can be fixed on the wire fixing terminals 24 through a binding process at a later stage.

The cross arm fitting 40 provided in the present application and the rod body fixing member 30 used in cooperation therewith will be further described from the perspective of the power transmission pole 80.

Referring to fig. 3 again, the power transmission pole 80 provided by the present application includes a cross arm 60, a pole fixing member 30, and a pole 32; the specific structure of the cross arm 60 can be seen in any of the above embodiments, and is not described herein again. The rod fixing member 30 surrounds the rod 32 and is fixedly connected to the connecting portion 12, so that the cross arm 60 is fixed to the rod 32.

In one application scenario, the shaft fixing member 30 includes a hoop (as shown in fig. 3), and both ends of the hoop are fixedly connected to the connecting portion 12. For example, in fig. 1, the connecting portion 12 is four engaging lugs 120 (only one engaging lug is schematically shown in fig. 3), the four engaging lugs 120 are symmetrically disposed on the upper surface 100 and the lower surface 102 of the sleeve 10, and the engaging lugs 120 are disposed with connecting holes (not shown in fig. 3). The rod fixing member 30 includes two hoops, wherein two ends of one hoop are respectively fixedly connected to the two engaging lugs 120 located on the upper surface 100; the two ends of the other hoop are fixedly connected to the two engaging lugs 120 on the lower surface 102. The fixed connection mode can adopt the commonly used bolt fixed connection.

In yet another application scenario, as shown in fig. 7, fig. 7 is a schematic structural diagram of a transmission pole 80a according to another embodiment of the present application. In fig. 7, the connecting portion 12a includes a first connecting plate 120a and a second connecting plate 122a, the first connecting plate 120a and the second connecting plate 122a are respectively disposed on an upper surface (not shown in fig. 7) and a lower surface (not shown in fig. 7) of the sleeve 10, the first connecting plate 120a is provided with a first connecting hole (not shown in fig. 7) and a second connecting hole (not shown in fig. 7), and the second connecting plate 122a is provided with a third connecting hole (not shown in fig. 7) and a fourth connecting hole (not shown in fig. 7). The rod fixing member 30 includes two hoops, wherein both ends of one hoop are respectively fixedly connected to the first connecting plate 120a located on the upper surface; and two ends of the other hoop are fixedly connected with the second connecting plate 122a positioned on the lower surface respectively. The fastening connection may be a conventional bolt fastening connection, so that the cross arm 60 is conveniently fixed on the rod body 32.

In another application scenario, as shown in fig. 8, fig. 8 is a schematic structural diagram of a transmission pole 80b according to another embodiment of the present application. The transmission pole 80b provided by the present application further comprises a top phase cross arm 34, the design of the top phase cross arm 34 being such that the transmission pole 80b can be used for the erection of three-phase transmission conductors. Accordingly, a first extending portion 14 may be added to the first connecting plate 120a in the embodiment shown in fig. 7, the first extending portion 14 extends from the first connecting plate 120a to a direction away from the rod 32, the first extending portion 14 may be parallel to an upper surface (not labeled in fig. 8) of the sleeve 10, a plurality of connecting holes are disposed on the first extending portion 14, and the top cross arm 34 may be fixed at the connecting holes of the first extending portion 14 by bolts or other fixing methods.

In yet another embodiment, referring to fig. 3 and fig. 9 together, fig. 9 is a schematic top view of an embodiment of the transmission pole in fig. 3. The cross arm hardware fitting 40 provided by the present application further includes a blocking member 16, the blocking member 16 is in a shape of a Chinese character 'men', and an opening of the blocking member 16 in the shape of a Chinese character 'men' faces the rod body 32, and in a direction facing the rod body 32, the opening of the blocking member 16 is gradually increased. The blocking piece 16 can connect the cross arm 60 with the rod body 32 in various forms such as a circle, a polygon and the like, thereby greatly improving the universality of the cross arm 60.

It should be noted that the left side 104 of the sleeve 10 mentioned in the above embodiments is the side facing the rod 32, and the right side 106 is the side opposite to the left side 104 and away from the rod 32.

In summary, be different from the condition of prior art, the cross arm gold utensil that this application provided includes the sleeve and the connecting portion that extend from the sleeve surface, and the sleeve is hollow structure, and the plug of cross arm is worn to locate in the sleeve, and connecting portion and body of rod mounting cooperation are connected to be fixed in the cross arm on the body of rod. The cross arm hardware fitting is an integral hardware fitting, the integral hardware fitting is fixed on a rod body through a rod body fixing piece, holes do not need to be drilled on a core rod of the cross arm, and an insulating layer on the outer peripheral surface of the core rod cannot be abraded due to long-term stress, so that the mechanical property and the bearing capacity of the cross arm are guaranteed; in addition, the integral gold utensil that this application provided has reduced intermediate junction device's gold utensil quantity among the prior art, has reduced the weight of cross arm gold utensil, and is convenient for install. In addition, the sleeve of the cross arm hardware fitting provided by the application is also provided with a clamping piece, the clamping piece is in a shape of a Chinese character 'men', the opening of the clamping piece is gradually enlarged in the direction away from the sleeve, and the bottom of the clamping piece is provided with a through hole so that the surface of the sleeve is exposed; through the design of the door-shaped clamping piece, on one hand, the cross arm hardware fitting can be crimped at two ends and the middle of the cross arm hardware fitting after being assembled with the core rod, and the crimping effect is better; on the other hand, the cross arm can be connected with rod bodies in various forms such as a circle, a polygon and the like, and the universality of the cross arm is greatly 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

1. A cross arm fitting is arranged on a core rod of a cross arm, and is characterized by comprising:

the connecting part is used for being connected with the rod body fixing part in a matched mode to fix the cross arm on the rod body.

2. The cross arm fitting of claim 1,

3. The cross arm fitting of claim 2,

the connecting portion are four engaging lugs, four the engaging lug symmetry set up in the upper surface with the lower surface, be provided with the connecting hole on the engaging lug.

4. The cross arm fitting of claim 2,

connecting portion include first connecting plate and second connecting plate, first connecting plate certainly the upper surface extends, be provided with first connecting hole and second connecting hole on the first connecting plate, the second connecting plate certainly the lower surface extends, be provided with third connecting hole and fourth connecting hole on the second connecting plate.

5. The cross arm fitting of claim 2,

it is telescopic be provided with the screens piece on the left surface, the screens piece is the door style of calligraphy, the opening of screens piece is kept away from the left surface, and is keeping away from in the direction of left surface, the opening of screens piece crescent.

6. The cross arm fitting of claim 5,

the bottom of screens piece is provided with the through-hole, telescopic left surface follow expose in the through-hole.

7. A cross arm, comprising:

the cross arm fitting is the cross arm fitting of any one of claims 1-6;

the sleeve is fixedly coated on the outer peripheral surface of the mandrel, and the insulating layers are positioned on two sides of the sleeve.

8. The cross arm of claim 7,

9. A power transmission pole, comprising:

a cross arm of claim 7;

a rod body;

and the rod body fixing part is arranged around the rod body and fixedly connected with the connecting part, so that the cross arm is fixed on the rod body.

10. The transmission pole according to claim 9,