CN208673817U - Hard composite insulation cross arm with safety guard, electricity testing grounding ring and proof mechanism of water - Google Patents

Abstract

A kind of hard composite insulation cross arm with safety guard, electricity testing grounding ring and proof mechanism of water, including insulation mandrel, metal top, metal bottom end and umbrella cover are equipped with wire clamp on metal top；Proof mechanism of water is respectively provided between the metal top and the top and metal bottom end and the bottom end of umbrella cover of umbrella cover；Umbrella cover is made of hard insulation；Electricity testing grounding ring is connected with by linking arm in one end of the top plate of the wire clamp；The junction of the wire clamp and electricity testing grounding ring and wire clamp is installed in a safety guard.The utility model has the advantages that: increased wire clamp can be fixedly secured power line；It is located at the proof mechanism of water at umbrella cover both ends Yu metal top and metal bottom end, improves insulating properties；The water-proof plate of hard material effectively prevent bad by unfirmly closing；Electricity testing grounding ring facilitates ground connection when maintenance；Safety guard effectively prevent wire clamp to be corroded by sleet, extends service life.

Description

Hard composite insulation cross arm with safety guard, electricity testing grounding ring and proof mechanism of water

Technical field

The utility model relates to a kind of hard composite insulation cross arms with safety guard, electricity testing grounding ring and proof mechanism of water, main It is used for the support of power line.

Background technique

The primary structure of the prior art includes insulation mandrel, metal top, metal bottom end and umbrella cover, the two of insulation mandrel End is separately connected the metal top for fixing power line and the metal bottom end for being fixedly mounted with electric pole, in the insulating core The surface recombination umbrella cover of the junction at stick and its both ends and metal top and metal bottom end.The disadvantage is that: metal top is only set There is a groove, power line is placed in the groove by when use, is bundled on metal top with wiring, the disadvantage is that power line is tied It ties up insecure；Gap between the both ends and metal top and metal bottom end of umbrella cover is easy water inlet, and not volatile, makes for a long time It causes metal top and metal bottom end to be rusted after, shortens service life；In addition, rubber umbrella cover is often by birds (such as crow Crow) peck bad, affect its insulation performance and service life；Lack electricity testing grounding ring, it has not been convenient to ground connection when repairing；Wire clamp is sudden and violent for a long time Dew in an atmosphere, is easy corrosion.

Summary of the invention

It is compound absolutely that the purpose of this utility model is just to provide a kind of hard with safety guard, electricity testing grounding ring and proof mechanism of water Edge cross-arm, it is insecure to solve power line of the existing technology binding, the both ends and metal top of umbrella cover and metal bottom end it Between gap be easy water inlet and cause to corrode, rubber umbrella cover is pecked bad by birds, lacks electricity testing grounding ring, it has not been convenient to connect when repairing Ground；Wire clamp is chronically exposed in atmosphere the problem of being easy corrosion.

The technical solution of the utility model is: a kind of hard with safety guard, electricity testing grounding ring and proof mechanism of water is compound absolutely Edge cross-arm, including insulation mandrel, metal top, metal bottom end and umbrella cover, are separately connected at the both ends of insulation mandrel for fixing The metal top of power line and metal bottom end for being fixedly mounted with electric pole, in the insulation mandrel and its both ends and metal roof The surface recombination umbrella cover of the junction of end and metal bottom end, which is characterized in that be equipped with wire clamp, the wire clamp on the metal top It is made of bottom plate, top plate and bolt, bottom plate is connect with metal top, and top plate is located at the upper surface of bottom plate, between bottom plate and top plate Equipped with the arc groove for clamping power line, the bottom plate and top plate are mutually fastened by bolt；In the metal top and umbrella cover Top between be equipped with the first proof mechanism of water, the structure of first proof mechanism of water is: setting on the metal top with umbrella cover adjacent Have the first outward flange, below first outward flange be equipped with first annular groove, the upper end of the umbrella cover extend into this first In annular groove；The umbrella cover is made of hard insulation；It is connected in one end of the top plate of the wire clamp by linking arm Electricity testing grounding ring；The wire clamp is mounted in a safety guard, is equipped at the both ends of safety guard for the threading across power line Interface is equipped in the side of the safety guard for the linking arm mouth across the linking arm.

The utility model has the advantages that: increased wire clamp can be fixedly secured power line；It is located at umbrella cover both ends and metal roof The proof mechanism of water at end and metal bottom end, improve insulating properties: the water-proof plate of hard material effectively prevent bad by unfirmly closing；Electrical verification connects Ground ring facilitates ground connection when maintenance；Safety guard effectively prevent wire clamp to be corroded by sleet, extends service life.

Detailed description of the invention

Fig. 1 is overall structure (broken section) schematic diagram of the utility model first embodiment；

Fig. 2 is the top view of Fig. 1 (without safety guard)；

Fig. 3 is the right view of Fig. 1 (without safety guard)；

Fig. 4 is structure (broken section is free of safety guard) schematic diagram of the utility model second embodiment；

Fig. 5 is structure (broken section) schematic diagram on the utility model 3rd embodiment top；

Fig. 6 is the left view of Fig. 5；

Fig. 7 is structure (safety guard section view) schematic diagram of the utility model first embodiment installation safety guard part；

Fig. 8 is the right view of safety guard in Fig. 7；

Fig. 9 is structure (safety guard section view) schematic diagram of embodiment installation shown in fig. 5 safety guard part；

Mounting structure schematic diagram when Figure 10 is the utility model application (without safety guard).

Specific embodiment

Referring to figures 1-3, Fig. 7 and Fig. 8, the utility model are a kind of with the hard of safety guard, electricity testing grounding ring and proof mechanism of water The first embodiment of matter composite insulation cross arm, including insulation mandrel 1, metal top 3, metal bottom end 4 and umbrella cover 2, in insulating core The top of stick 1 is connected with the metal top 3 for fixing power line, is equipped in the lower end of insulation mandrel 1 for solid with electric pole The metal bottom end 4 of Dingan County's dress, the surface in the junction at the insulation mandrel 1 and its both ends and metal top 3 and metal bottom end 4 are multiple Close umbrella cover 2 (being equipped with multiple umbrella disks 21).The lower part of metal bottom end 4 is flat, if there are two mounting holes 41.Above structure is existing skill Art.

It is characterized by: being equipped with wire clamp 5 on the metal top 3, the wire clamp is by bottom plate 51, top plate 52 and 53 groups of bolt At (or being structure as a whole) is welded on bottom plate 51 and metal top 3, and top plate 52 is located at the upper surface of bottom plate 51, in bottom plate 51 and top plate The arc groove 55 for clamping power line, the bottom plate and top plate are equipped between 52 by the mutually fastening of bolt 53 (in ellipse Top plate 52 two near focal points be equipped with through-hole, ellipse bottom plate 51 be equipped with corresponding screw hole, bolt 53 pass through top plate 52 through-hole is connected in the screw hole of bottom plate 51.Can also at the screw hole of bottom plate 51 connecting screw, top plate 52 is secured with nuts). Between the metal top 3 and the top of umbrella cover 2 be equipped with the first proof mechanism of water, the first proof mechanism of water of the embodiment include: The metal top 3 and 2 upper end adjacent of umbrella cover are equipped with the first outward flange, are equipped with below first outward flange first annular recessed The top of slot 31, the umbrella cover 2 is extend into first annular groove 31.

The top surface of the top plate 52 of the wire clamp 5 also is provided with arc groove 54, and the arc groove 54 of 52 upside of top plate is under The arc groove 55 of side it is of different size (in figure above 54 width of arc groove be greater than downside arc groove 55 width, Can also be opposite), such design, the power line that can be suitable for clamping different-diameter by overturning top plate 52 expands applicable Range.

The wire clamp 5 top plate 52 one end by linking arm 10 be connected with electricity testing grounding ring 11 (thirdly there is insulating layer on side, It is on one side bare metal side 111)；The wire clamp 5 is mounted in a safety guard 7, the both ends of safety guard 7 be equipped with for across The threading interface 73 of power line is equipped with rubber sealing boot 9 on threading interface 73, is equipped in the side of the safety guard 7 for wearing Cross the linking arm mouth 75 of the linking arm 10.

Safety guard 7 is made of a top box body 71 and two symmetrical 72 three parts of lower part box body, linking arm mouth 75 be located at top box body 71 side it is following；On top, box body 71 and 72 corresponding sides of lower part box body are equipped with butt joint edge 74, up and down It is connected between butt joint edge 74 with screw 8.The safety guard 7 being mounted in Fig. 1-embodiment shown in Fig. 4 is as shown in Figure 7 and Figure 8.

Safety guard 7 shown in Fig. 9 is mounted in embodiment shown in fig. 5, and basic structure is also by a top Box body 71 and two 72 three parts of lower part box body, the shape and Fig. 7 of two lower part box bodys 72 and shape shown in Fig. 8 are slightly not Together, there are the outlets 76 of the stretching of link 6 for 5 bottom of wire clamp for the interface below the two.

Referring to fig. 4, the embodiment is on the basis of a upper embodiment, is also equipped with the in metal bottom end 4 and 2 adjacent of umbrella cover Two proof mechanism of water, the second outward flange including being located at metal bottom end 4 Yu 2 adjacent of umbrella cover, set in the upper surface of second outward flange There is second annular groove 42, the lower end of the umbrella cover 2 is extend into second annular groove 42.

Referring to figs. 5 and 6, the embodiment and first embodiment except that by the direction of wire clamp 5 towards side The link 6 of (vertical with above embodiment), wire clamp bottom is the prior art, for across traction rope when constructing or repairing. The proof mechanism of water of the embodiment is identical as above embodiment.

The top plate 51 of the wire clamp 5 of the utility model is made of metal material or insulating materials.

The umbrella cover 2 of the utility model is made of hard insulation, and the hard insulation includes: thermosetting resin (such as epoxy resin), thermoplastic resin (such as polyolefin, HDPE, PP, PA), engineering plastics and thermoplastic elastomer (s) are (such as TPE, TPV, TPU), etc..

Referring to Figure 10, the cross-arm combination of the wire clamp 5 of two kinds of different directions can be mounted on by the utility model in application On a piece electric pole C, the cross-arm A of first embodiment is such as vertically fixed on to the top of electric pole C, on the top electric pole C Two sides are symmetrically installed the cross-arm B of a pair of of Fig. 5 and embodiment shown in fig. 6.It is each on the wire clamp of three cross-arms to fix an electric power Line.

Claims (7)

1. a kind of hard composite insulation cross arm with safety guard, electricity testing grounding ring and proof mechanism of water, including insulation mandrel, metal roof End, metal bottom end and umbrella cover are separately connected the metal top for fixing power line at the both ends of insulation mandrel and are used for and electricity The metal bottom end that line bar is fixedly mounted, on the surface of the junction at the insulation mandrel and its both ends and metal top and metal bottom end Compound umbrella cover, which is characterized in that be equipped with wire clamp on the metal top, which is made of bottom plate, top plate and bolt, bottom plate It is connect with metal top, top plate is located at the upper surface of bottom plate, is equipped between bottom plate and top plate recessed for clamping the arc of power line Slot, the bottom plate and top plate are mutually fastened by bolt；The first proof mechanism of water is equipped between the metal top and the top of umbrella cover, The structure of first proof mechanism of water is: the first outward flange is equipped on the metal top and umbrella cover adjacent, in first outward flange Below be equipped with first annular groove, the upper end of the umbrella cover is extend into the first annular groove；The umbrella cover is by hard Insulating materials is made；Electricity testing grounding ring is connected with by linking arm in one end of the top plate of the wire clamp；The wire clamp is mounted on In one safety guard, it is equipped at the both ends of safety guard for the threading interface across power line, is equipped with and uses in the side of the safety guard In the linking arm mouth for passing through the linking arm.

2. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is that the top surface of the top plate of the wire clamp also is provided with arc groove, and the width of the arc groove of the top plate upper and lower faces is not Together.

3. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is, the second proof mechanism of water is equipped between the metal bottom end and the bottom end of umbrella cover, which obtains structure It is: is equipped with the second outward flange in the metal bottom end and umbrella cover adjacent, it is recessed to be equipped with the second annular in the upper surface of second outward flange Slot, the lower end of the umbrella cover are extend into the second annular groove.

4. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is that the top plate of the wire clamp is made of metal material or insulating materials.

5. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is that the wire clamp is axial in the same direction or vertical with insulation mandrel.

6. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is that the hard insulation includes: thermosetting resin, thermoplastic resin, engineering plastics and thermoplastic elastic material Material.

7. the hard composite insulation cross arm according to claim 1 with safety guard, electricity testing grounding ring and proof mechanism of water, special Sign is, is equipped with rubber sealing boot on the threading interface of the safety guard.