CN211393635U - Hoisting tool capable of being fixed on overhead line cross arm - Google Patents

Abstract

The utility model relates to an electric power tech field especially relates to a can fix in lifting means of overhead line cross arm. The utility model discloses in, fixing mechanism includes that first bolt is vice, the vice bolt of first bolt is hook bolt, accessible hook bolt is fixed in overhead line cross arm with lifting tool with the cooperation of first nut, make this lifting tool can place in overhead line cross arm fast, the first end of bearing rope is connected in tight line mechanism, the second end of bearing rope is connected with the lifting hook, the lift of lifting hook is adjusted to tight line mechanism accessible bearing rope, the lifting hook can be treated the jack-up piece and play a weight of as pressing down the wire on the insulator, rotary mechanism can be used for the direction of adjustment, reach the effect that can easily change the insulator.

Description

Hoisting tool capable of being fixed on overhead line cross arm

Technical Field

The utility model relates to an electric power tech field especially relates to a can fix in lifting means of overhead line cross arm.

Background

The height difference generally exists in the pole tower with the vertical span of the 10kV overhead line, particularly in the area and mountain area with large height drop, when the vertical span is larger than 0 (positive value), the wire is pressed down on a pin insulator, a porcelain arm or a suspension clamp of a linear rod, the more the positive value is, the higher the pressure borne by the insulator is, when the insulator on the pole tower needs to be replaced, the replacement of the insulator can be completed by a plurality of people who combine with the force to jack up the wire with shoulders or by a rope to tie up the wire and pull the wire under the rod, and the working process is difficult to cause injury of operating personnel easily.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a can fix in lifting means of overhead line cross arm for when solving perpendicular span great, there is the great problem of the degree of difficulty in changing the insulator.

The utility model discloses a concrete technical scheme as follows:

a lifting tool securable to an overhead line cross arm, comprising: the device comprises a fixing mechanism, a rotating mechanism, an arm plate, a wire tightening mechanism, a pulley and a bearing rope;

the fixing mechanism comprises a fixing bottom plate and a first bolt pair, the first bolt pair comprises a hook-shaped bolt and a first nut, the fixing bottom plate is provided with a bolt hole, and the hook-shaped bolt penetrates through the bolt hole to be matched with the first nut to fix the hoisting tool on the overhead line cross arm;

the rotating mechanism is arranged on the fixed bottom plate and is rotationally connected with the fixed bottom plate, the arm plate and the wire tightening mechanism are both fixedly connected with the rotating mechanism, the pulley is arranged on the arm plate, and the bearing rope is arranged on the pulley;

the first end of bearing rope connect in tight line mechanism, the second end of bearing rope is connected with the lifting hook, tight line mechanism is through the tensioning the bearing rope is adjusted the lift of lifting hook, the lifting hook is used for treating the jack-up piece and plays a jack-up.

Preferably, the overhead line cross arm is an angle iron, and the angle iron comprises a cross bar and a longitudinal bar which are connected in a right angle;

the fixed bottom plate is arranged on the transverse strip, and the non-connecting surface of the longitudinal strip and the transverse strip is arranged in the hook-shaped structure of the hook-shaped bolt.

Preferably, the number of the first bolt pairs is more than two;

the first nut is a butterfly nut.

Preferably, the arm plate is a telescopic arm plate;

the telescopic boom plate comprises a first telescopic boom and a second telescopic boom, the second telescopic boom is sleeved in the first telescopic boom and can be stretched in the first telescopic boom, and the first telescopic boom and the second telescopic boom are fixed through a second bolt pair.

Preferably, a steering positioning plate is connected between the rotating mechanism and the fixed bottom plate, the steering positioning plate is rotatably connected with the rotating mechanism, and the steering positioning plate is fixedly connected with the fixed bottom plate;

the side face of the rotating mechanism is provided with a steering positioning pipe, the steering positioning plate is provided with a positioning hole, and the rotating mechanism is positioned by inserting a steering positioning pin into the steering positioning pipe and the positioning hole.

Preferably, the number of the steering positioning pipes and/or the positioning holes is more than two;

the more than two steering positioning pipes and/or the positioning holes are arranged circumferentially.

Preferably, a base and more than two gusset plates are arranged between the steering positioning plate and the fixed bottom plate;

the gusset is connected to the base and the gusset surrounds the base and is circumferentially disposed.

Preferably, the fixed bottom plate is fixedly connected with the base through a connecting bottom plate, and the fixed bottom plate is fixedly connected with the connecting bottom plate through a third bolt pair.

Preferably, the wire tightening mechanism is fixedly connected with the arm plate through a connecting rod;

the connecting rod is fixedly connected with the cross arm, and the cross arm is fixedly connected with the rotating mechanism.

Preferably, the pulley is arranged on the arm plate through a fourth bolt pair, and the pulley is rotatably connected with a bolt of the fourth bolt pair;

the bearing rope limiting pin is arranged between the arm plate and the pulley and used for limiting the bearing rope.

To sum up, a can be fixed in hoisting tool of overhead line cross arm includes: the device comprises a fixing mechanism, a rotating mechanism, an arm plate, a wire tightening mechanism, a pulley and a bearing rope; the fixing mechanism comprises a fixing bottom plate and a first bolt pair, the first bolt pair comprises a hook-shaped bolt and a first nut, the fixing bottom plate is provided with a bolt hole, and the hook-shaped bolt penetrates through the bolt hole to be matched with the first nut to fix the hoisting tool on the overhead line cross arm; the rotating mechanism is arranged on the fixed bottom plate and is rotationally connected with the fixed bottom plate, the arm plate and the wire tightening mechanism are both fixedly connected with the rotating mechanism, the pulley is arranged on the arm plate, and the bearing rope is arranged on the pulley; the first end of bearing rope connect in tight line mechanism, the second end of bearing rope is connected with the lifting hook, tight line mechanism is through the tensioning the bearing rope is adjusted the lift of lifting hook, the lifting hook is used for treating the jack-up piece and plays a jack-up.

The utility model discloses in, fixing mechanism includes that first bolt is vice, the vice bolt of first bolt is hook bolt, accessible hook bolt is fixed in overhead line cross arm with lifting tool with the cooperation of first nut, make this lifting tool can place in overhead line cross arm fast, the first end of bearing rope is connected in tight line mechanism, the second end of bearing rope is connected with the lifting hook, the lift of lifting hook is adjusted to tight line mechanism accessible bearing rope, the lifting hook can be treated the jack-up piece and play a weight of as pressing down the wire on the insulator, rotary mechanism can be used for the direction of adjustment, reach the effect that can easily change the insulator.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of a hoisting tool that can be fixed to an overhead line cross arm according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a connection of a rotating mechanism, an arm plate, a pulley, a connecting rod, a cross arm and a fixing plate of a wire tightening device in a hoisting tool capable of being fixed to a cross arm of an overhead line according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a rotary mechanism, an arm plate, a pulley, a connecting rod and a cross arm connection in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of connection between a fixing mechanism and a rotating mechanism in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention;

fig. 5 is a front view of a connection between a fixing mechanism and a rotating mechanism in a lifting tool capable of being fixed to a cross arm of an overhead line according to an embodiment of the present invention;

fig. 6 is a side view of a connection between a fixing mechanism and a rotating mechanism in a lifting tool capable of being fixed to a cross arm of an overhead line according to an embodiment of the present invention;

illustration of the drawings: 1. fixing the bottom plate; 2. a first bolt pair; 3. a third bolt pair; 4. connecting the bottom plate; 5. a gusset plate; 6. a base; 7. a steering positioning plate; 8. an inner retainer ring; 9. a bearing; 10. a lack of a patch; 11. a steering positioning tube; 12. a steering positioning pin; 13. a bearing support; 14. a central rotating shaft; 15. an outer retainer ring; 16. a top end cap; 17. a cross arm; 18. a tensioner fixing plate; 19. a wire tightening mechanism; 20. a connecting rod; 21. a second bolt pair; 22. an arm plate; 23. a first telescopic arm; 24. a second telescopic arm; 25. a bearing rope limit pin; 26. a pulley; 27. a fourth bolt pair; 28. a first nut; 29. a first spring washer; 30. a first flat pad; 31. a hook bolt; 32. a third bolt; 33. a third nut; 34. a second spring pad; 35. a second flat pad.

Detailed Description

The utility model provides a can fix in lifting means of overhead line cross arm for when solving perpendicular span great, it has the great problem of the degree of difficulty to change the insulator.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1 to 6, fig. 1 is a schematic diagram of a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention, fig. 2 is a schematic diagram of a rotary mechanism, an arm plate, a pulley, a connecting rod, a cross arm and a wire-tightening device fixing plate connection in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention, fig. 3 is a schematic diagram of a rotary mechanism, an arm plate, a pulley, a connecting rod and a cross arm connection in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention, fig. 4 is a schematic diagram of a fixing mechanism and a rotary mechanism connection in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention, fig. 5 is a front view of a fixing mechanism and a rotary mechanism connection in a lifting tool capable of being fixed to an overhead line cross arm according to an embodiment of, fig. 6 is a side view of a connection between a fixing mechanism and a rotating mechanism in a hoisting tool capable of being fixed to an overhead line cross arm according to an embodiment of the present invention.

The embodiment of the utility model provides an in provide a can be fixed in an embodiment of hoisting tool of overhead line cross arm includes: the device comprises a fixing mechanism, a rotating mechanism, an arm plate 22, a wire tensioning mechanism 19, a pulley 26 and a bearing rope;

the fixing mechanism comprises a fixing bottom plate 1 and a first bolt pair 2, the first bolt pair 2 comprises a hook-shaped bolt 31 and a first nut 28, the fixing bottom plate 1 is provided with a bolt hole, and the hook-shaped bolt 31 penetrates through the bolt hole to be matched with the first nut 28 to fix the hoisting tool on the overhead line cross arm;

the rotating mechanism is arranged on the fixed base plate 1 and is rotationally connected with the fixed base plate 1, the arm plate 22 and the wire tensioning mechanism 19 are both fixedly connected with the rotating mechanism, the pulley 26 is arranged on the arm plate 22, and the bearing rope is arranged on the pulley 26;

the first end of bearing rope is connected in tight line mechanism 19, and the second end of bearing rope is connected with the lifting hook, and tight line mechanism 19 adjusts the lift of lifting hook through the tensioning bearing rope, and the lifting hook is used for treating the jack-up piece and jack-up.

The embodiment of the utility model provides an in, fixing mechanism includes the vice 2 of first bolt, the bolt of the vice 2 of first bolt is hook bolt 31, accessible hook bolt 31 is fixed in the overhead line cross arm with lifting means with the cooperation of first nut 28, make this lifting means can fast put in on the overhead line cross arm, the first end of bearing rope is connected in tightening mechanism 19, the second end of bearing rope is connected with the lifting hook, 19 accessible tensioning bearing rope of tightening mechanism adjusts the lift hook, the lifting hook can be treated the jack-up piece and play a weight of as pressing the wire on the insulator as follows, rotary mechanism can be used for the direction of adjustment, reach the effect that can easily change the insulator.

In the embodiment of the utility model, the cross arm of the overhead line is an angle iron which comprises a cross bar and a longitudinal bar which are connected in a right angle;

the fixed base plate 1 is disposed on the horizontal bar, and the non-connecting surface of the vertical bar and the horizontal bar is disposed in the hook structure of the hook bolt 31.

The embodiment of the utility model provides a jack-up instrument accessible adjustment first bolt is vice 2's quantity and installation direction are fixed in on the multiple type cross arm, can be applicable to single cross arm and two cross arms.

The rotating mechanism has a rotating function, so that the hoisting tool can avoid insulators below (above) the wire, and the connecting bottom plate 4 is used for connecting a fixed part below and a wire tightening device above; the wire tightening mechanism 19 is used for lifting and lowering a wire pressed on an insulator, the arm plate 22, the wire tightening mechanism 19 and the pulley 26 can be modified by a bidirectional ratchet wire tightener, steel wrapping on two sides of a wire coil of the bidirectional ratchet wire tightener is prolonged along the side direction of a steel wire rope, the length of the steel wrapping is about 90cm, the steel wrapping is used as the arm plate 22 and forms a 60-degree angle with the horizontal line, the tail end of the high position of the arm plate 22 is provided with a guide pulley 26 for a bearing rope on the wire tightening mechanism 19 to walk, and the pulley 26 is a fixed pulley.

The utility model discloses lifting means can place fast and fix on overhead line cross arm, accomplish the function of lifting by crane perpendicularly, descending wire and can avoid the insulator in its working process, reaches the effect that can easily change the insulator.

In the embodiment of the utility model, the number of the first bolt pairs 2 is more than two;

first nut 28 is a wing nut.

In the embodiment of the present invention, the arm plate 22 is a telescopic arm plate 22;

the telescopic boom plate 22 comprises a first telescopic boom 23 and a second telescopic boom 24, the second telescopic boom 24 is sleeved in the first telescopic boom 23 and can be telescopic in the first telescopic boom 23, and the first telescopic boom 23 and the second telescopic boom 24 are fixed through a second bolt pair 21.

In the embodiment of the utility model, a steering positioning plate 7 is connected between the rotating mechanism and the fixed bottom plate 1, the steering positioning plate 7 is rotationally connected with the rotating mechanism, and the steering positioning plate 7 is fixedly connected with the fixed bottom plate 1;

the side surface of the rotating mechanism is provided with a steering positioning pipe 11, the steering positioning plate 7 is provided with a positioning hole, and the rotating mechanism is positioned by inserting a steering positioning pin 12 into the steering positioning pipe 11 and the positioning hole.

In the embodiment of the present invention, the number of the steering positioning pipes 11 and/or the positioning holes is two or more;

more than two steering positioning pipes 11 and/or positioning holes are arranged circumferentially.

In the embodiment of the utility model, a base 6 and more than two gusset plates 5 are arranged between the steering positioning plate 7 and the fixed bottom plate 1;

the gusset 5 is connected to the base 6 and the gusset 5 is circumferentially disposed around the base 6.

The embodiment of the utility model provides an in, PMKD 1 is through connecting bottom plate 4 and 6 fixed connection of base, and PMKD 1 and connecting bottom plate 4 are through the vice 3 fixed connection of third bolt.

In the embodiment of the present invention, the wire tightening mechanism 19 is fixedly connected to the arm plate 22 through the connecting rod 20;

the connecting rod 20 is fixedly connected with the cross arm 17, and the cross arm 17 is fixedly connected with the rotating mechanism.

The tightening mechanism 19 is fixed to the connecting rod 20 via the tightening device fixing plate 18.

For the sake of appearance, the cross arm 17 is provided with a top end cover 16 at one end of the non-connected rotating mechanism, and the arm plate 22 is provided with a gap block 10 at a non-contact position with the rotating mechanism at the bottom.

In the embodiment of the present invention, the pulley 26 is disposed on the arm plate 22 through the fourth pair of bolts 27, and the pulley 26 is rotatably connected to the fourth pair of bolts 27;

a bearing rope limiting pin 25 is arranged between the arm plate 22 and the pulley 26, and the bearing rope limiting pin 25 is used for limiting the bearing rope.

In the embodiment of the present invention, a first flat pad 30 and a first elastic pad 29 are disposed between the first nut 28 and the fixing base plate 1, the third bolt pair 3 includes a third bolt 32 and a third nut 33, and a second flat pad 35 and a second elastic pad 34 are disposed between the third nut 33 and the connecting base plate 4. The bearing rope is a steel wire rope.

The rotating mechanism comprises a central rotating shaft 14, a bearing support 13, a bearing 9, an outer retainer ring 15 and an inner retainer ring 8, wherein the outer retainer ring 15 and the inner retainer ring 8 are used for limiting the bearing 9, and the bearing 9 is a double-row cylindrical roller bearing 9.

It is right above the utility model provides a can fix in hoisting tool of overhead line cross arm introduces in detail, to the general technical personnel in this field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims (10)

1. A lifting tool securable to an overhead line cross arm, comprising: the device comprises a fixing mechanism, a rotating mechanism, an arm plate, a wire tightening mechanism, a pulley and a bearing rope;

the fixing mechanism comprises a fixing bottom plate and a first bolt pair, the first bolt pair comprises a hook-shaped bolt and a first nut, the fixing bottom plate is provided with a bolt hole, and the hook-shaped bolt penetrates through the bolt hole to be matched with the first nut to fix the hoisting tool on the overhead line cross arm;

the rotating mechanism is arranged on the fixed bottom plate and is rotationally connected with the fixed bottom plate, the arm plate and the wire tightening mechanism are both fixedly connected with the rotating mechanism, the pulley is arranged on the arm plate, and the bearing rope is arranged on the pulley;

the first end of bearing rope connect in tight line mechanism, the second end of bearing rope is connected with the lifting hook, tight line mechanism is through the tensioning the bearing rope is adjusted the lift of lifting hook, the lifting hook is used for treating the jack-up piece and plays a jack-up.

2. The hoisting tool of claim 1 wherein the overhead line cross-arm is an angle bar comprising a cross bar and a longitudinal bar connected at a right angle;

the fixed bottom plate is arranged on the transverse strip, and the non-connecting surface of the longitudinal strip and the transverse strip is arranged in the hook-shaped structure of the hook-shaped bolt.

3. The lifting tool of claim 1, wherein the number of the first bolt pairs is two or more;

the first nut is a butterfly nut.

4. The lifting tool of claim 1, wherein the arm plate is a telescoping arm plate;

the telescopic boom plate comprises a first telescopic boom and a second telescopic boom, the second telescopic boom is sleeved in the first telescopic boom and can be stretched in the first telescopic boom, and the first telescopic boom and the second telescopic boom are fixed through a second bolt pair.

5. The hoisting tool of claim 1, wherein a steering positioning plate is connected between the rotating mechanism and the fixed base plate, the steering positioning plate is rotatably connected with the rotating mechanism, and the steering positioning plate is fixedly connected with the fixed base plate;

the side face of the rotating mechanism is provided with a steering positioning pipe, the steering positioning plate is provided with a positioning hole, and the rotating mechanism is positioned by inserting a steering positioning pin into the steering positioning pipe and the positioning hole.

6. The lifting tool as claimed in claim 5, wherein the number of the steering and locating tubes and/or locating holes is two or more;

the more than two steering positioning pipes and/or the positioning holes are arranged circumferentially.

7. The lifting tool as claimed in claim 5, wherein a base and two or more gussets are provided between the steering alignment plate and the fixed base plate;

the gusset is connected to the base and the gusset surrounds the base and is circumferentially disposed.

8. The lifting tool of claim 7, wherein the fixed base plate is fixedly connected to the base by a connecting base plate, and the fixed base plate and the connecting base plate are fixedly connected by a third pair of bolts.

9. The lifting tool of claim 1, wherein the wire tightening mechanism is fixedly connected to the arm plate by a connecting rod;

the connecting rod is fixedly connected with the cross arm, and the cross arm is fixedly connected with the rotating mechanism.

10. The lifting tool of claim 1, wherein the pulley is disposed on the arm plate via a fourth pair of bolts, the pulley being rotationally coupled to the bolts of the fourth pair of bolts;

the bearing rope limiting pin is arranged between the arm plate and the pulley and used for limiting the bearing rope.

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