CN218449394U - Strain clamp for power line - Google Patents

Abstract

The utility model provides a strain clamp for power line relates to strain clamp technical field, include: the rubber circle, the top and the bottom of rubber circle are movable sleeve respectively and are equipped with the backing plate, two the connecting block has all been welded at the outer wall both ends of backing plate, and the equal activity of the interior table wall of every two wherein of four connecting blocks is inserted and is equipped with U type lock. In use, at first establish the surface at the cable to two rubber rings according to certain distance cover, establish outside the rubber packing ring through the fixed cover of U type lock two sets of backing plates this moment, because the rubber packing ring has increased the frictional force between backing plate and the cable, so, what the cable can be firmly fixes in the backing plate, at this moment in the bottom of establishing two backing plates to the protective housing cover, rethread first nut is fixed, just so can firmly fix the cable in the device, it adopts single bolt to fix to aim at solving among the prior art device, lead to the device fastness too poor, cause droing of cable, and the problem of the emergence of broken string.

Description

Strain clamp for power line

Technical Field

The utility model relates to a strain clamp technical field especially relates to a strain clamp for power line.

Background

The strain clamp is a hardware tool used for fixing a lead to bear the tension of the lead and hanging the lead on a strain insulator-string group or a tower, the strain clamp is required to bear all the tension of the lead or a lightning conductor, the grip force of the clamp is not less than 90 of the rated tension of the installed lead or the lightning conductor, and the strain clamp is not used as an electric conductor. The wire clamp can be detached after the wire is installed and used additionally. The cable clamp comprises a bolt type strain clamp, a wedge type strain clamp and the like.

The existing strain clamp is simple in structure, and is fixedly clamped by the fixing ring and the lining plate, the firmness of the single fixing mode is poor, the falling of a cable and the occurrence of wire breakage are easily caused, and therefore safety accidents are caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art device and adopting single bolt to fix, lead to the device fastness too poor, cause droing of cable, and the problem of the emergence of broken string, and the strain clamp for power line who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a strain clamp for power lines, comprising: the rubber ring, the top and the bottom of rubber ring are movable sleeve respectively and are equipped with the backing plate, two the connecting block has all been welded at the outer wall both ends of backing plate, and four connecting blocks wherein every two interior table walls all activity is inserted and is equipped with U type lock, two the equal swivelling joint in outer wall both ends of U type lock has first nut, two the fixed first threaded rod that is inserted in bottom of one of them backing plate is equipped with first threaded rod, two the movable sleeve is equipped with protective housing between the outward appearance wall of first threaded rod, two rectangle recesses have all been seted up at protective housing's outer wall both ends, two the equal swivelling joint in outward appearance wall of first threaded rod has the second nut, at first establishes two rubber rings on the surface of cable according to certain distance cover, and at this moment again through U type lock two sets of backing plate fixed cover outside the rubber packing ring, because the rubber packing ring has increased the frictional force between backing plate and the cable, so, the cable can firmly fix in the backing plate, at this moment establish protective housing the bottom of two backing plates, and rethread first nut fixes the cable firmly, just so can firmly fix the cable in the device has just solved prior art and has adopted single bolt to fix, leads to the fastness of device, leads to the fact the problem that drops.

Preferably, a wedge-shaped shell is welded on one side of the outer wall of the protective shell, two wedge-shaped base plates are movably arranged on the inner surface wall of the wedge-shaped shell, and firmness of the device can be improved through the two wedge-shaped base plates.

Preferably, the top of two wedge backing plates all welds the rectangular block, two the interior table wall of rectangular block all activity is inserted and is equipped with the second threaded rod, the outward appearance wall swivelling joint of second threaded rod has the third nut, the fixed wedge backing plate of being convenient for.

Preferably, two bosses are welded at the top of the protective shell, and a metal rod is movably inserted between the two opposite sides of the bosses, so that the connecting lining plate is convenient to mount.

Preferably, the two ends of the outer wall of the metal rod are fixedly sleeved with connecting lining plates, the two connecting lining plates are equal in shape and size, and the whole device is conveniently connected to the telegraph pole.

Preferably, a third threaded rod is movably inserted between the opposite sides of the two connecting lining plates, and a fourth nut is rotatably connected to the outer surface wall of the third threaded rod, so that the whole device is convenient to fix.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model discloses in, in use, at first establish the surface at the cable to two rubber rings according to certain distance cover, at this moment establish outside the rubber packing ring through the fixed cover of U type lock two sets of backing plates, because the rubber packing ring has increased the frictional force between backing plate and the cable, so, what the cable can be firmly fixes in the backing plate, at this moment establish the bottom at two backing plates to the protection shell cover, rethread first nut is fixed, just so can firmly fix the cable in the device, just solved among the prior art that the device adopts single bolt to fix, lead to the device fastness too poor, cause droing of cable, and the problem of the emergence of broken string.

2. The utility model discloses in, in use, at first put into two wedge backing plates to the cable in, because the structure of wedge backing plate when drawing the time to the cable, will drive the inside extrusion of wedge backing plate to let the more firm installation of cable in the endurance clamp, also increased the pulling force of device to the cable simultaneously, thereby avoided the emergence of broken string accident, just solved among the prior art device and adopted single bolt to fix, lead to the problem of the emergence of broken string.

Drawings

Fig. 1 is a perspective view of a main view structure of a strain clamp for an electric power line according to the present invention;

FIG. 2 is a perspective view of a top side structure of a strain clamp for an electric power line according to the present invention;

fig. 3 is the utility model relates to a strain clamp insole side structure stereogram for power line.

Fig. 4 is the utility model relates to a look sideways at structural stereogram in strain clamp for power line.

Illustration of the drawings: 1. a rubber ring; 2. a backing plate; 3. connecting blocks; 4. a U-shaped lock; 5. a first nut; 6. a first threaded rod; 7. a protective housing; 8. a rectangular groove; 9. a second nut; 10. a wedge-shaped housing; 11. a wedge-shaped base plate; 12. a rectangular block; 13. a second threaded rod; 14. a third nut; 15. a boss; 16. a metal rod; 17. connecting a lining plate; 18. a third threaded rod; 19. and a fourth nut.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations set forth in the following description of the specific embodiments.

Example 1

As shown in fig. 1-4, the utility model provides a strain clamp for power line, include: rubber circle 1, the top and the bottom of rubber circle 1 are movable sleeve respectively and are equipped with backing plate 2, connecting block 3 has all been welded at the outer wall both ends of two backing plates 2, four connecting blocks 3 wherein every two interior table walls all move about and insert and be equipped with U type lock 4, the equal swivelling joint in outer wall both ends of two U type locks 4 has first nut 5, the fixed bottom of inserting of two 2 wherein one of them backing plates is equipped with first threaded rod 6, the movable sleeve is equipped with protecting sheathing 7 between the outward appearance wall of two first threaded rods 6, two rectangle recesses 8 have all been seted up at protecting sheathing 7's outer wall both ends, the equal swivelling joint in outer table wall of two first threaded rods 6 has second nut 9.

The effect that its whole embodiment 1 reached does, in use, at first establish the surface at the cable according to certain distance cover two rubber circle 1, at this moment establish two sets of backing plate 2 fixed cover outside rubber circle 1 through U type lock 4 again, because rubber circle 1 has increased the frictional force between backing plate 2 and the cable, so, the cable can firmly be fixed in backing plate 2, at this moment establish the bottom at two backing plates 2 to protective housing 7 cover, rethread first nut 5 is fixed, just so can firmly fix the cable in the device, it adopts single bolt to fix just to have solved among the prior art device, lead to the device fastness too poor, cause droing of cable, and the problem of the emergence of broken string.

Example 2

As shown in fig. 1-4, a wedge-shaped shell 10 is welded on one side of the outer wall of the protective shell 7, two wedge-shaped backing plates 11 are movably arranged on the inner surface wall of the wedge-shaped shell 10, rectangular blocks 12 are welded on the tops of the two wedge-shaped backing plates 11, second threaded rods 13 are movably inserted in the inner surface walls of the two rectangular blocks 12, third nuts 14 are rotatably connected with the outer surface walls of the second threaded rods 13, two bosses 15 are welded on the top of the protective shell 7, metal rods 16 are movably inserted between opposite sides of the two bosses 15, connecting lining plates 17 are fixedly sleeved at two ends of the outer wall of each metal rod 16, the two connecting lining plates 17 are equal in shape and size, two third threaded rods 18 are movably inserted between opposite sides of the connecting lining plates 17, and fourth nuts 19 are rotatably connected with the outer surface walls of the third threaded rods 18

The effect that its whole embodiment 2 reaches does, in use, at first put into two wedge backing plates 11 wherein to the cable, because the structure of wedge backing plate 11, when pulling the rise to the cable, will drive wedge backing plate 11 and inwards extrude to let the more firm installation of cable in endurance clamp, also increased the pulling force of device to the cable simultaneously, thereby avoided the emergence of broken string accident, just solved among the prior art device and adopted single bolt to fix, lead to the problem of the emergence of broken string.

The working principle is as follows: at first establish the surface at the cable according to certain distance cover two rubber rings 1, at this moment establish outside rubber ring 1 two sets of backing plate 2 fixed cover through U type lock 4 again, because rubber ring 1 has increased the frictional force between backing plate 2 and the cable, so, the cable can firmly be fixed in backing plate 2, at this moment establish the bottom at two backing plates 2 to protective housing 7 cover, rethread first nut 5 is fixed, just so can firmly fix the cable in the device, then put into wedge shell 10 to the cable again, rethread removes two wedge backing plates 11 and just can press from both sides tight cable, just also increased the fastness of cable, because the cable is fixed by two sets of fixed knot structure, so just great increase the fastness of device, just solved in the prior art device and adopted single bolt to fix, lead to the device nature too poor, cause droing of cable, and the problem of the emergence of broken string.

It should be noted that, the utility model discloses the multiple standard component that uses all can be obtained from the market, and nonstandard component then can customize very much, the utility model discloses the connected mode that adopts such as bolted connection, welding etc. also are very common means in the mechanical field, and the inventor is no longer repeated here.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a strain clamp for power line which characterized in that includes: rubber circle (1), the top and the bottom of rubber circle (1) are movable sleeve respectively and are equipped with backing plate (2), two connecting block (3) have all been welded at the outer wall both ends of backing plate (2), and four connecting block (3) wherein every two interior table walls all move about and insert and be equipped with U type lock (4), two the equal swivelling joint in outer wall both ends of U type lock (4) has first nut (5), two the bottom of one of them backing plate (2) is fixed to be inserted and is equipped with first threaded rod (6), two the movable sleeve is equipped with protecting sheathing (7) between the outward appearance wall of first threaded rod (6), two rectangle recess (8), two have all been seted up at the outer wall both ends of protecting sheathing (7) the equal swivelling joint in outward appearance wall of first threaded rod (6) has second nut (9).

2. The strain clamp for the power line as claimed in claim 1, wherein a wedge-shaped housing (10) is welded on one side of the outer wall of the protective housing (7), and two wedge-shaped base plates (11) are movably arranged on the inner surface wall of the wedge-shaped housing (10).

3. The strain clamp for the power line as claimed in claim 2, wherein rectangular blocks (12) are welded on the tops of the two wedge-shaped base plates (11), second threaded rods (13) are movably inserted into inner surface walls of the two rectangular blocks (12), and third nuts (14) are rotatably connected to outer surface walls of the second threaded rods (13).

4. The strain clamp for the power line as claimed in claim 1, wherein two bosses (15) are welded on the top of the protective housing (7), and a metal rod (16) is movably inserted between opposite sides of the two bosses (15).

5. The strain clamp for the power line as claimed in claim 4, wherein the two ends of the outer wall of the metal rod (16) are fixedly sleeved with connecting lining plates (17), and the two connecting lining plates (17) have the same shape and size.

6. The strain clamp for the power line according to claim 5, wherein a third threaded rod (18) is movably inserted between opposite sides of the two connection lining plates (17), and a fourth nut (19) is rotatably connected to an outer surface wall of the third threaded rod (18).

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