CN113809706A - Device for tightening electric wire on electric power construction tower - Google Patents

Abstract

The invention belongs to the technical field of electric wire tightening, and particularly relates to a device for tightening electric wires of a power construction tower, which comprises a wire stringing module, a connecting mechanism, a connecting rope, a tightening adjusting mechanism and a tightening adjusting mechanism, wherein two electric wires of which two sides need to be strung are fixed on two electric wire mounting blocks at the upper sides of two telescopic inner rods in a corresponding wire frame unit, and the two electric wires mounted on the two telescopic inner rods can be tightened by adjusting the two telescopic inner rods to slide towards the middle relative to a telescopic outer sleeve in the middle; after two telescopic inner rods are adjusted and finished relative to the telescopic outer sleeves, namely two wires are tensioned, the telescopic function between the telescopic inner rods and the telescopic outer sleeves can be locked by the limiting screws arranged between the telescopic outer sleeves and the two telescopic inner rods. According to the invention, the two pull ropes on two sides of the same wire frame unit can be dragged after the adjusting mechanism is tightened once by adjusting the rotation of the rotary outer disc relative to the rotary inner disc, so that the use is more convenient.

Description

Device for tightening electric wire on electric power construction tower

Technical Field

The invention belongs to the technical field of electric wire tightening, and particularly relates to a device for tightening an electric wire on a tower in electric power construction.

Background

In the process of tightening the electric wire in the electric power construction, if the electric wire is thin, firstly, the length of the electric wire is cut to the length required by two telegraph poles, then, one end of the electric wire is installed on the telegraph pole, a worker on the telegraph pole is required to drag the electric wire up in the installation process, then, the other end of the electric wire is bound up by using a rope, the worker on the telegraph pole drags the rope to drag the electric wire up, and then, the electric wire is fixed; however, the method is suitable for the situation that the electric wire is light, the heavy electric wire is not enough to be dragged up by the force of workers on the telegraph pole, generally, a rope is tied at one end of the electric wire by using a fixed pulley, the workers drag the rope onto the telegraph pole and wind down the rope from the fixed pulley, and then the electric wire is hoisted up by using ground manpower or machine action, in the process, the dragging up of the electric wire can be realized by simultaneously working through ground personnel or equipment and personnel on the telegraph pole, the efficiency is low, and more personnel are needed; in addition, need use special tightening mechanism to tighten up the electric wire after the electric wire drags the wire pole, the tightening means is heavier, is not convenient for bring the wire pole on or take off the wire pole.

The invention designs a device for tightening electric wires of an electric power construction tower, which solves the problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention discloses a device for tightening an electric wire of an electric power construction tower, which is realized by adopting the following technical scheme.

A device for tightening electric wires of a power construction tower comprises a stringing module, a connecting mechanism, a connecting rope, a tightening adjusting mechanism and a tightening adjusting mechanism, wherein the stringing module consists of three wire frame units and an installation sleeve; the wire frame unit comprises a mounting cross rod, a telescopic rod, a resistor, a rotary inner disc, a rotary outer disc and a wire mounting block, wherein the mounting cross rod is of a U-shaped structure, two square guide sleeves are arranged at two ends of the mounting cross rod, and the two guide sleeves are fixedly connected through a mounting plate; the telescopic rod consists of a telescopic outer sleeve and two telescopic inner rods which are slidably arranged at two ends of the telescopic outer sleeve, and the telescopic outer sleeve and the telescopic inner rods are both of square structures; the telescopic outer sleeve is fixedly arranged on the lower side of the mounting plate, the two telescopic inner rods are slidably arranged on the two guide sleeves, and a limit screw for limiting the relative sliding of the telescopic inner rods and the telescopic outer sleeve is arranged between the two telescopic inner rods and the telescopic outer sleeve; one ends of the two telescopic inner rods, which are far away from the telescopic outer sleeves, are respectively detachably provided with a resistance piece, and the two resistance pieces are fixed on the corresponding telescopic inner rods through two tightening nuts; an insulated wire mounting block is mounted on the upper sides of the two resistance pieces, one end of the wire mounting block is provided with a mounting round hole, the other end of the wire mounting block is provided with a round clamping groove, and the round clamping groove is communicated with the mounting round hole; one side of each of the two telescopic inner rods is fixedly provided with a tightening driving pin; the rotary inner disc is fixedly arranged on the upper side of the mounting plate, two limiting round holes are symmetrically formed in the outer circular surface of the rotary inner disc, the rotary outer disc is rotatably arranged on the upper side of the rotary inner disc, and the positioning screws are arranged on the rotary outer disc and matched with the two limiting round holes; the mounting cross rods in the wire frame units in the middle are fixedly mounted on the upper side of the mounting sleeve, and the mounting cross rods in the two wire frame units on the two sides are mounted on the two sides of the mounting sleeve through two fixing rods.

The tightening adjusting mechanism comprises a first screw rod, a first threaded sleeve, an installation sliding rod and a tightening buckle block, wherein the first screw rod is in threaded fit connection with the first threaded sleeve, one end of the installation sliding rod is rotatably installed at one end, far away from the first screw rod, of the first threaded sleeve, the other end of the installation sliding rod and one end, far away from the first threaded sleeve, of the first screw rod are respectively and fixedly provided with the tightening buckle block, and the tightening buckle block is provided with a tightening clamp groove with a notch; the width of the gap of the collecting clamping groove is larger than the diameter of the tightening driving pin; when the telescopic rod is adjusted to stretch out and draw back, the two tightening buckle blocks are connected to the tightening driving pins of the two telescopic inner rods in a clamping mode through the tightening clamping grooves on the two tightening buckle blocks, and the two collecting buckle blocks are driven by the rotating first threaded outer sleeve to drive the two tightening driving pins to be close to the middle or be withdrawn.

The tightening adjusting mechanism comprises a lower pressing wheel, an installation frame, a pressing mechanism, a first rotating shaft, a first gear, a second gear, a pull rope, a winding wheel, a braking mechanism, a second rotating shaft, a volute spiral spring and a one-way clutch, wherein the first rotating shaft is rotatably installed on the upper side of the installation frame, the lower pressing wheel is fixedly installed at one end of the first rotating shaft, and the pressing mechanism is installed on the installation frame and located on the upper side of the lower pressing wheel; the first gear is fixedly arranged on the first rotating shaft, the second rotating shaft is rotatably arranged on the upper side of the mounting frame, the second gear is fixedly arranged at one end of the second rotating shaft, and the second gear is meshed with the first gear; the brake wheel is fixedly arranged on the second rotating shaft, the brake mechanism is arranged on the upper side of the mounting frame, and the brake mechanism is positioned on the upper side of the brake wheel and brakes the brake wheel; the winding wheel is arranged at the other end of the second rotating shaft through a one-way clutch, and a pull rope is wound on the winding wheel; a volute spiral spring is arranged between the winding wheel and the mounting frame.

The connecting mechanism comprises a first clamping piece, a first compression ring, a threaded ring, a spring, a second clamping piece, a second compression ring, an installation rod and a trigger rod, wherein an external thread is arranged on the outer circular surface of the installation rod, a plurality of elastic first clamping pieces are uniformly arranged at one end of the installation rod in the circumferential direction, and a plurality of elastic arc-shaped second clamping pieces are uniformly arranged at the other end of the installation rod in the circumferential direction; the inner circle surface of one end of the first compression ring is provided with a second taper surface, the inner circle surface of the other end of the first compression ring is provided with internal threads, the first compression ring is installed on the installation rod through the matching of the internal threads and the external threads, and the second taper surface of the first compression ring is matched with the first clamping piece installed on the installation rod; the inner circular surface at one end of the second compression ring is provided with a first conical surface, the second compression ring is slidably arranged on the mounting rod, and the first conical surface on the second compression ring is matched with the second clamping piece arranged on the mounting rod; the threaded ring is installed on the installation rod through threaded fit and located between the first compression ring and the second compression ring, a spring is installed between the threaded ring and the second compression ring, the spring is a compression spring and has pre-pressure, a trigger rod is fixedly installed on the outer circular surface of one end, far away from the threaded ring, of the second compression ring, and the trigger rod is in extrusion fit with a vertical plate on the installation frame.

Before the electric wire is installed, two installation rings are fixed at two ends of the cut electric wire, a gap of 5-10 cm is formed between the installed installation rings and the end face of the electric wire, and a plurality of first limiting pieces with elasticity are uniformly arranged on the circumferential direction of the outer circular surface of each installation ring; when the electric wire is installed, the electric wire penetrates through an installation round hole formed in an electric wire installation block in the corresponding side wire frame unit and is fixedly provided with a connecting mechanism, and when the connecting mechanism is fixed, the electric wire is clamped through a first clamping piece in the connecting mechanism and a first pressing ring is rotated, so that the first pressing ring extrudes the first clamping piece to clamp the motor; then one end of the connecting mechanism, which is provided with a second clamping piece, is connected with a connecting rope, one end of the connecting rope is provided with a second connecting ball body, when the connecting rope is connected, the second connecting ball body on the connecting rope is wrapped by the second clamping piece in the connecting mechanism and the threaded ring is rotated, so that the threaded ring extrudes the second pressing ring through the spring, and the second clamping piece is extruded by the second pressing ring to clamp the second connecting ball body; then, the mounting frame in the tightening adjusting mechanism is detachably mounted on the upper side of the rotary outer disc through a fixing screw, and the other end of the pull rope in the collecting adjusting mechanism is positioned on the lower side of the telegraph pole; then the other end of the connecting rope penetrates through a round hole in a vertical plate of the mounting frame, is positioned on the upper side of the lower pressing wheel and is matched with the pressing mechanism, and the pressing mechanism is adjusted to press the connecting rope.

After the electric wires are fixed on the wire frame unit, the two electric wires on the two sides are connected through the connecting electric wires.

As a further improvement of the technology, the supporting sleeve is fixedly arranged on the upper side of the mounting frame, the mounting ring sleeve is fixedly arranged on the winding wheel, the inner end of the spiral spring is fixedly arranged on the outer circular surface of the mounting ring sleeve, and the outer end of the spiral spring is fixedly arranged on the inner circular surface of the supporting sleeve.

As a further improvement of the present technology, the two ends of the connecting wire are provided with two first connecting balls, and when the connecting wire is installed, the two first connecting balls are connected with the second clamping pieces of the two connecting mechanisms installed on the wires on the two sides; when the first connecting sphere is connected with the second clamping sheet, the first connecting sphere is directly clamped between the second clamping sheet, thrust is provided for the second compression ring through the pre-pressure of the spring, so that the second compression ring compresses the second clamping sheet, and the second compression sheet clamps the first connecting sphere; in this state, the threaded ring does not need to exert additional pressure on the spring.

As a further improvement of the technology, a through first limiting hole is formed in the telescopic outer sleeve, a plurality of second limiting holes which are uniformly distributed are formed in one end of the telescopic inner rod, and the first limiting holes are matched with the second limiting holes; after the telescopic amount of the telescopic inner rod and the telescopic outer sleeve is determined, the telescopic function of the telescopic inner rod and the telescopic outer sleeve is locked through the matching of the limiting screw and the first limiting hole and the second limiting hole.

As a further improvement of the present technology, the first clamping piece has teeth uniformly distributed on an inner wall surface thereof.

As a further improvement of the technology, the pressing mechanism comprises a first rocker, a first fixed support, an upper pressing wheel and a first installation sliding rod, wherein the lower end of the first fixed support is provided with a round hole, two first guide sliding blocks are symmetrically installed on the inner circular surface of the round hole, the first fixed support is fixedly installed on the upper side of the installation frame, the first rocker is installed on the first fixed support through threaded fit, and the lower end of the first rocker is located on the inner side of the first fixed support; two first guide sliding chutes are symmetrically formed in the outer circular surface of the first installation sliding rod, the upper end of the first installation sliding rod is rotatably installed at the lower end of the first rocker, the lower end of the first installation sliding rod penetrates through the first fixed support to be provided with an upper pressing wheel, and the first guide sliding chutes in the first installation sliding rod are in sliding fit with the first guide sliding blocks in the first fixed support; the upper pinch roller is matched with the corresponding lower pinch roller.

As a further improvement of the technology, the braking mechanism comprises a second rocker, a second fixed support, a braking sheet, an installation arc plate and a second installation sliding rod, wherein the lower end of the second fixed support is provided with a round hole, two second guide sliding blocks are symmetrically installed on the inner circular surface of the round hole, the second fixed support is fixedly installed on the upper side of the installation frame, the second rocker is installed on the second fixed support through thread fit, and the lower end of the second rocker is located on the inner side of the second fixed support; two second guide sliding chutes are symmetrically formed in the outer circular surface of the second mounting sliding rod, the upper end of the second mounting sliding rod is rotatably mounted at the lower end of the second rocker, the lower end of the second mounting sliding rod penetrates through the second fixed support to be mounted with a mounting arc plate, and a brake sheet is mounted on the mounting arc plate and matched with a corresponding brake wheel; and a second guide sliding chute on the second mounting sliding rod is in sliding fit with a second guide sliding block on the second fixed support.

Compared with the traditional electric wire tightening technology, the electric wire tightening device has the following beneficial effects:

1. two wires which need to be erected at two sides are fixed on two wire mounting blocks at the upper sides of two telescopic inner rods in corresponding wire rack units, and the two wires mounted on the two telescopic inner rods can be tensioned by adjusting the two telescopic inner rods to slide towards the middle relative to a telescopic outer sleeve in the middle; after two telescopic inner rods are adjusted and finished relative to the telescopic outer sleeves, namely two wires are tensioned, the telescopic function between the telescopic inner rods and the telescopic outer sleeves can be locked by the limiting screws arranged between the telescopic outer sleeves and the two telescopic inner rods.

2. The rotary outer disc can rotate relative to the rotary inner disc, when a wire is pulled from the ground to the top end of a telegraph pole, the tensioning adjusting mechanism is manually carried to the top end of the telegraph pole, and then the rotary outer disc is mounted on the upper side of the rotary outer disc through the fixing screw, so that the positioning screw is matched with one of two limiting round holes in the rotary inner disc, and at the moment, a lower pressing wheel and a pressing mechanism in the tensioning adjusting mechanism face one of two wire mounting blocks in a corresponding wire frame unit, and the wire on the side can be pulled; after the electric wire on the side is dragged, loosening a positioning screw between the fixed rotary inner disc and the rotary outer disc on the lower side, and then rotating the rotary outer disc to enable a positioning thread on the rotary outer disc to be matched with another limiting round hole on the rotary inner disc, wherein in the state, the rotary outer disc rotates 180 degrees relative to the rotary inner disc, namely, a tightening adjusting mechanism arranged on the upper side of the rotary outer disc is correspondingly driven to rotate 180 degrees, and in the state, a lower pressing wheel and a pressing mechanism in the tightening adjusting mechanism face to the other electric wire mounting block in the two electric wire mounting blocks in the corresponding wire frame unit, so that the electric wire on the other side can be dragged; the two pull ropes on two sides of the same wire frame unit can be dragged by adjusting the rotation of the rotary outer disc relative to the rotary inner disc after the adjusting mechanism is tightened once, so that the wire frame unit is convenient to use.

3. When the telescopic rod is adjusted to stretch and tighten two electric wires on two sides, the two tightening buckle blocks are clamped on the tightening driving pins of the two telescopic inner rods through the tightening clamping grooves on the two tightening buckle blocks, and the two collecting buckle blocks are driven to drive the two tightening driving pins to be close to the middle or be withdrawn by rotating the first threaded outer sleeve. The tightening adjusting mechanism and the telescopic rods are two independent mechanisms, the tightening adjusting mechanism does not belong to a structure on the telescopic rods, one tightening adjusting mechanism can adjust a plurality of different telescopic rods, when an electric wire is installed, the tightening adjusting mechanism can be carried on the body, the use is convenient, and a mechanism for driving each telescopic rod to stretch and retract is not required to be independently designed on each telescopic rod.

4. According to the device designed by the invention, when the dragging wire is installed, the dragging force of the wire can be stored only by pulling the pulling rope from the lower side to enable the volute spiral spring to exert upward force, and other work can be completed after a lower person pulls the pulling rope to enable the volute spiral spring to exert upward force.

Drawings

Fig. 1 is an external view of an entire part.

Fig. 2 is a schematic structural diagram of a stringing module.

Fig. 3 is a schematic view of the structure of the connecting wire.

Fig. 4 is a schematic view of a bobbin unit structure.

FIG. 5 is a schematic view of the tightening adjustment mechanism and the telescoping rod installation.

Fig. 6 is a schematic structural view of the tightening adjustment mechanism.

Fig. 7 is a schematic view of the telescopic rod structure.

Fig. 8 is a schematic view of a mounting rail configuration.

Fig. 9 is a schematic view of a rotating inner disc structure.

Figure 10 is a schematic view of the construction of the telescoping inner pole and telescoping outer sleeve.

Fig. 11 is a schematic view of the wire and connection mechanism installation.

Fig. 12 is a schematic view of the connection mechanism.

Fig. 13 is a mounting bracket installation schematic.

FIG. 14 is a schematic view of a tension adjustment mechanism.

Fig. 15 is a schematic view of the pressing mechanism.

Fig. 16 is a schematic view of the brake mechanism.

Fig. 17 is a schematic view of a winding wheel installation.

Number designation in the figures: 1. connecting an electric wire; 2. a stringing module; 3. a utility pole; 4. a wire frame unit; 5. fixing the rod; 6. installing a sleeve; 7. a first connecting sphere; 8. installing a cross bar; 9. a telescopic rod; 10. tightening the adjusting mechanism; 11. a resistance member; 12. an electric wire; 13. a connecting mechanism; 14. connecting ropes; 15. tensioning the adjusting mechanism; 16. a limit screw; 17. a first screw; 18. a first threaded sleeve; 19. installing a sliding rod; 20. a tightening drive pin; 21. tightening the buckle block; 22. tightening the clamping groove; 23. a wire mounting block; 24. a telescopic inner rod; 25. a telescopic outer sleeve; 26. mounting a plate; 27. a guide sleeve; 28. limiting round holes; 29. a first limit hole; 30. a second limiting hole; 31. a circular slot; 32. mounting a round hole; 33. a first limiting sheet; 34. a mounting ring; 35. a first clamping piece; 36. a first clamp ring; 37. a threaded ring; 38. a spring; 39. a second clamping piece; 40. a second clamp ring; 41. a first conical surface; 42. a second tapered surface; 43. mounting a rod; 44. teeth; 45. a mounting frame; 46. a set screw; 47. rotating the inner disc; 48. rotating the outer disc; 49. a set screw; 50. a second connecting sphere; 51. a hold-down mechanism; 52. a first rotating shaft; 53. a first gear; 54. a second gear; 55. pulling a rope; 56. a winding wheel; 57. a brake mechanism; 58. a first rocker; 59. a first fixed support; 60. an upper pinch roller; 61. a lower pinch roller; 62. a first mounting slide bar; 63. a first guide chute; 64. a first guide slider; 65. a second rocker; 66. a second fixed support; 67. a brake pad; 68. a brake wheel; 69. installing an arc plate; 70. a second mounting slide bar; 71. a second guide slider; 72. a second guide chute; 73. a second rotating shaft; 74. a support sleeve; 75. a volute spiral spring; 76. installing a ring sleeve; 77. a one-way clutch; 78. tightening the nut; 79. a trigger lever.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples or figures are illustrative of the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 and 2, the utility model comprises a stringing module 2, a connecting mechanism 13, a connecting rope 14, a tensioning adjusting mechanism 15 and a tightening adjusting mechanism 10, wherein the stringing module 2 consists of three wire frame units 4 and a mounting sleeve 6, the mounting sleeve 6 is detachably mounted at the upper end of a telegraph pole 3, one wire frame unit 4 is fixedly mounted at the upper side of the mounting sleeve 6, and the other two wire frame units 4 are symmetrically mounted at two sides of the mounting sleeve 6 through a fixing rod 5 respectively; as shown in fig. 5 and 7, the wire frame unit 4 includes a mounting cross bar 8, an expansion link 9, a resistor 11, a rotary inner disc 47, a rotary outer disc 48, and a wire mounting block 23, wherein the mounting cross bar 8 is a U-shaped structure, as shown in fig. 8, two square guide sleeves 27 are provided at two ends of the mounting cross bar 8, and the two guide sleeves 27 are fixedly connected through a mounting plate 26; as shown in fig. 7, the telescopic rod 9 is composed of a telescopic jacket 25 and two telescopic inner rods 24 slidably mounted at two ends of the telescopic jacket 25, and the telescopic jacket 25 and the telescopic inner rods 24 are both square structures; the telescopic outer sleeve 25 is fixedly arranged at the lower side of the mounting plate 26, the two telescopic inner rods 24 are slidably arranged on the two guide sleeves 27, and the limiting screws 16 for limiting the relative sliding of the telescopic inner rods 24 and the telescopic outer sleeve 25 are arranged between the two telescopic inner rods 24 and the telescopic outer sleeve 25; one end of each of the two telescopic inner rods 24, which is far away from the telescopic outer sleeve 25, is detachably provided with one resistance piece 11, and the two resistance pieces 11 are fixed on the corresponding telescopic inner rod 24 through two tightening nuts 78; an insulated wire mounting block 23 is mounted on the upper sides of the two resistor members 11, as shown in fig. 11, one end of the wire mounting block 23 is provided with a mounting round hole 32, the other end of the wire mounting block 23 is provided with a circular clamping groove 31, and the circular clamping groove 31 is communicated with the mounting round hole 32; as shown in fig. 10, one side of each of the two telescopic inner levers 24 is fixedly provided with a tightening driving pin 20; the rotary inner disc 47 is fixedly installed on the upper side of the installation plate 26, as shown in fig. 9, two limit round holes 28 are symmetrically formed on the outer circular surface of the rotary inner disc 47, as shown in fig. 13, the rotary outer disc 48 is rotatably installed on the upper side of the rotary inner disc 47, a positioning screw 49 is installed on the rotary outer disc 48, and the positioning screw 49 is matched with the two limit round holes 28; as shown in fig. 1, the mounting cross bar 8 in the wire rack unit 4 in the middle is fixedly mounted on the upper side of the mounting sleeve 6, and the mounting cross bars 8 in the two wire rack units 4 on both sides are mounted on both sides of the mounting sleeve 6 through two fixing rods 5.

The fixing of the mounting sleeve 6 and the telegraph pole 3 adopts the prior art. Each wire frame unit 4 corresponds to one electric wire 12. In the invention, after two wires 12 of which two sides need to be strung are fixed on two wire mounting blocks 23 at the upper sides of two telescopic inner rods 24 in a corresponding wire rack unit 4, the two wires 12 mounted on the two telescopic inner rods 24 can be tensioned by adjusting the two telescopic inner rods 24 to slide towards the middle relative to a telescopic outer sleeve 25 in the middle; after the two telescopic inner rods 24 are adjusted relative to the telescopic outer sleeves 25, that is, after the two wires 12 are tensioned, the telescopic function between the telescopic inner rods 24 and the telescopic outer sleeves 25 can be locked by the limiting screws 16 arranged between the telescopic outer sleeves 25 and the two telescopic inner rods 24.

According to the invention, the rotary outer disc 48 can rotate relative to the rotary inner disc 47, when the wire 12 is pulled from the ground to the top end of the telegraph pole 3, firstly, the tensioning adjusting mechanism 15 is manually conveyed to the top end of the telegraph pole 3, then the rotary outer disc 48 is installed on the upper side of the rotary outer disc 46 through the fixing screw 46, so that the positioning screw 49 is matched with one of the two limiting round holes 28 on the rotary inner disc 47, at the moment, the lower pressing wheel 61 and the pressing mechanism 51 in the tensioning adjusting mechanism 10 face to one of the two wire installing blocks 23 in the corresponding wire frame unit 4, when the wire 12 at the side is pulled, the fixing rope connected with the wire 12 at the side through the connecting mechanism 13 passes through the lower pressing wheel 61 and the pressing mechanism 51 in the tensioning adjusting mechanism 10, and the wire 12 at the side is pulled through the tensioning adjusting mechanism 10; after the electric wire 12 on the side is dragged, the positioning screw 49 between the lower fixed rotating inner disc 47 and the rotating outer disc 48 is loosened, then the rotating outer disc 48 is rotated to enable the positioning screw thread on the rotating outer disc 48 to be matched with the other limiting round hole 28 on the rotating inner disc 47, in this state, the rotating outer disc 48 rotates 180 degrees relative to the rotating inner disc 47, namely, the tightening adjusting mechanism 10 arranged on the upper side of the rotating outer disc 48 is correspondingly driven to rotate 180 degrees, in this state, the lower pressing wheel 61 and the pressing mechanism 51 in the tightening adjusting mechanism 10 face the other electric wire mounting block 23 in the two electric wire mounting blocks 23 in the corresponding wire frame unit 4, and the electric wire 12 on the other side can be dragged; the two pull ropes 55 on two sides of the same wire frame unit 4 can be dragged after the tightening adjusting mechanism 10 is installed once by adjusting the rotation of the rotating outer disc 48 relative to the rotating inner disc 47, and the use is convenient.

As shown in fig. 6, the tightening adjusting mechanism 10 includes a first screw 17, a first thread bushing 18, a mounting slide rod 19, and a tightening buckle block 21, wherein the first screw 17 and the first thread bushing 18 are connected in a thread-fit manner, one end of the mounting slide rod 19 is rotatably mounted at one end of the first thread bushing 18 away from the first screw 17, the other end of the mounting slide rod 19 and one end of the first screw 17 away from the first thread bushing 18 are respectively and fixedly mounted with a tightening buckle block 21, and the tightening buckle block 21 is provided with a tightening buckle slot 22 having a notch; the gap width of the collecting slot is larger than the diameter of the tightening driving pin 20; when the telescopic rod 9 is adjusted to stretch, the two tightening buckle blocks 21 are connected to the tightening driving pins 20 of the two telescopic inner rods 24 in a clamping mode through the tightening clamping grooves 22 on the two tightening buckle blocks, and the two collecting buckle blocks are driven by rotating the first thread outer sleeve to drive the two tightening driving pins 20 to be close to the middle or be withdrawn. The effect of the design of the invention that the width of the gap of the collecting slot is larger than the diameter of the tightening driving pin 20 is to ensure that the tightening buckle block 21 can be inserted on the tightening driving pin 20, and then the two telescopic inner rods 24 are driven to slide. The tightening adjusting mechanism 10 and the telescopic rods 9 are independent mechanisms, the tightening adjusting mechanism 10 does not belong to the structure on the telescopic rods 9, one tightening adjusting mechanism 10 can adjust a plurality of different telescopic rods 9, when the electric wires 12 are installed, the tightening adjusting mechanism 10 can be carried on the body, the use is convenient, and a mechanism for driving each telescopic rod 9 to stretch and retract is not required to be independently designed on the telescopic rods 9.

As shown in fig. 14, tightening adjustment mechanism 10 includes a lower pressing wheel 61, a mounting bracket 45, a pressing mechanism 51, a first rotating shaft 52, a first gear 53, a second gear 54, a pulling rope 55, a winding wheel 56, a braking mechanism 57, a second rotating shaft 73, a volute spiral spring 75, and a one-way clutch 77, wherein first rotating shaft 52 is rotatably mounted on the upper side of mounting bracket 45, lower pressing wheel 61 is fixedly mounted at one end of first rotating shaft 52, and pressing mechanism 51 is mounted on mounting bracket 45 and located on the upper side of lower pressing wheel 61; the first gear 53 is fixedly arranged on the first rotating shaft 52, the second rotating shaft 73 is rotatably arranged on the upper side of the mounting rack 45, the second gear 54 is fixedly arranged at one end of the second rotating shaft 73, and the second gear 54 is meshed with the first gear 53; the brake wheel 68 is fixedly arranged on the second rotating shaft 73, the brake mechanism 57 is arranged on the upper side of the mounting frame 45, and the brake mechanism 57 is positioned on the upper side of the brake wheel 68 and brakes the brake wheel 68; the winding wheel 56 is installed at the other end of the second rotating shaft 73 through a one-way clutch 77, and the pull rope 55 is wound on the winding wheel 56; a spiral spring 75 is installed between the winding wheel 56 and the mounting bracket 45.

As shown in fig. 12, the connecting mechanism 13 includes a first clamping piece 35, a first compression ring 36, a threaded ring 37, a spring 38, a second clamping piece 39, a second compression ring 40, a mounting rod 43, and a trigger rod 79, wherein an outer circular surface of the mounting rod 43 has an external thread, one end of the mounting rod 43 is circumferentially and uniformly provided with a plurality of first clamping pieces 35 with elasticity, and the other end of the mounting rod 43 is circumferentially and uniformly provided with a plurality of second clamping pieces 39 with elasticity and arc shapes; the inner circular surface of one end of the first compression ring 36 is provided with a second conical surface 42, the inner circular surface of the other end of the first compression ring 36 is provided with internal threads, the first compression ring 36 is installed on the installation rod 43 through internal and external thread matching, and the second conical surface 42 on the first compression ring is matched with the first clamping piece 35 installed on the installation rod 43; the inner circular surface of one end of the second compression ring 40 is provided with a first conical surface 41, the second compression ring 40 is slidably arranged on the mounting rod 43, and the first conical surface 41 on the second compression ring is matched with the second clamping sheet 39 arranged on the mounting rod 43; the threaded ring 37 is mounted on the mounting rod 43 through threaded fit and located between the first compression ring 36 and the second compression ring 40, a spring 38 is mounted between the threaded ring 37 and the second compression ring 40, the spring 38 is a compression spring 38 and has pre-pressure, a trigger rod 79 is fixedly mounted on an outer circular surface of one end, away from the threaded ring 37, of the second compression ring 40, and the trigger rod 79 is in press fit with a vertical plate on the mounting frame 45.

Before the electric wire 12 is installed, firstly, two installation rings 34 are fixed at two ends of the cut electric wire 12, a gap of 5-10 cm is formed between the installed installation rings 34 and the end face of the electric wire 12, and a plurality of first limiting sheets 33 with elasticity are uniformly arranged on the circumferential direction of the outer circular surface of each installation ring 34; when the electric wire 12 is installed, the electric wire 12 passes through the installation round hole 32 opened on the electric wire installation block 23 in the corresponding side wire frame unit 4 and is fixed with one connecting mechanism 13, and when the connecting mechanism 13 is fixed, the electric wire 12 is clamped by the first clamping sheet 35 in the connecting mechanism 13 and the first pressing ring 36 is rotated, so that the first pressing ring 36 extrudes the first clamping sheet 35 to clamp the motor; then, a connecting rope 14 is connected to one end of the connecting mechanism 13 with the second clamping piece 39, one end of the connecting rope 14 is provided with a second connecting ball 50, when the connecting rope 14 is connected, the second connecting ball 50 on the connecting rope 14 is wrapped by the second clamping piece 39 in the connecting mechanism 13 and the threaded ring 37 is rotated, so that the threaded ring 37 presses the second pressing ring 40 through the spring 38, and the second clamping piece 39 is pressed by the second pressing ring 40 to clamp the second connecting ball 50; as shown in fig. 4, the mounting bracket 45 of the tightening adjustment mechanism 10 is then detachably mounted on the upper side of the rotating outer disk 48 by the fixing screw 46, and the other end of the pull rope 55 of the collecting adjustment mechanism is located on the lower side of the utility pole 3; then, the other end of the connecting rope 14 passes through a round hole on a vertical plate of the mounting frame 45, is positioned on the upper side of the lower pressing wheel 61 and is matched with the pressing mechanism 51, and the pressing mechanism 51 is adjusted to press the connecting rope 14.

When the electric wire 12 is dragged and installed, firstly, two installation rings 34 are required to be fixed at two ends of the cut electric wire 12, a gap of 5-10 cm is formed between the installed installation rings 34 and the end face of the electric wire 12, and a plurality of first limiting sheets 33 with elasticity are uniformly arranged on the circumferential direction of the outer circular surface of each installation ring 34; then fixing a connecting mechanism 13, clamping the electric wire 12 through a first clamping piece 35 in the connecting mechanism 13 and rotating a first pressing ring 36 when fixing the connecting mechanism 13, so that the first pressing ring 36 presses the first clamping piece 35 under the action of threads to clamp the motor; then, a connecting rope 14 is connected to one end of the connecting mechanism 13 with the second clamping piece 39, one end of the connecting rope 14 is provided with a second connecting ball 50, when the connecting rope 14 is connected, the second connecting ball 50 on the connecting rope 14 is wrapped by the second clamping piece 39 in the connecting mechanism 13 and the threaded ring 37 is rotated, so that the threaded ring 37 presses the second pressing ring 40 through the spring 38, and the second clamping piece 39 is pressed by the second pressing ring 40 to clamp the second connecting ball 50; then the mounting bracket 45 in the tightening and adjusting mechanism 10 is detachably mounted on the upper side of the rotary outer disc 48 through the fixing screw 46, and the other end of the pull rope 55 in the collecting and adjusting mechanism is positioned on the lower side of the telegraph pole 3; then, rotating the first rocker 58 to enable the first rocker 58 to move upwards under the effect of threaded fit with the first fixed support 59, enabling the first rocker 58 to move to drive the first installation sliding rod 62 to move, enabling the first installation sliding rod 62 to move to drive the upper pressure wheel 60 to move, after adjustment is completed, enabling the other end of the connecting rope 14 to penetrate through the upper side of the lower pressure wheel 61, and then rotating the first rocker 58 to enable the upper pressure wheel 60 to move downwards to press the connecting rope 14; the second rocker 65 is adjusted and rotated, so that the second rocker 65 moves downwards under the action of threaded fit with the second fixed support 66, the second rocker 65 moves to drive the second mounting slide rod 70 to move, the second mounting slide rod 70 moves to drive the mounting arc plate 69 and the brake sheet 67 to brake and limit the brake wheel 68, then the pull rope 55 is pulled, so that the pull rope 55 drives the winding wheel 56 to rotate, therefore, the brake wheel 68 is braked, namely, the second rotating shaft 73 is braked, so that the winding wheel 56 rotates to drive the inner end of the scroll spring 75 to compress through the mounting ring sleeve 76, and the scroll spring 75 exerts force; then, the pulling of the pulling rope 55 is stopped, the second rocker 65 is rotationally adjusted, the brake of the brake wheel 68 is released, that is, the second rotating shaft 73 is rotatable, at this time, under the action of the volute spiral spring 75, the winding wheel 56 rotates in the reverse direction and drives the second rotating shaft 73 to rotate through the one-way clutch 77, the second rotating shaft 73 rotates and drives the second gear 54 to rotate, the second gear 54 rotates and drives the first gear 53 to rotate, the first gear 53 rotates and drives the first rotating shaft 52 to rotate, the first rotating shaft 52 rotates and drives the lower pressing wheel 61 to rotate, because the upper pressing wheel 60 presses the connecting rope 14 at this time, the lower pressing wheel 61 rotates and drives the connecting rope 14 to move, and the connecting rope 14 moves and drives the electric wire 12 to move through the connecting mechanism 13; in the moving process, the electric wire 12 passes through the installation round hole 32 formed in the electric wire installation block 23 in the corresponding side wire frame unit 4, when the electric wire 12 passes through the installation round hole 32, the first limiting sheet 33 on the installation ring 34 is extruded by the installation round hole 32 after contacting with the installation round hole 32, after the first limiting sheet 33 passes through the installation round hole 32, under the action of self elasticity, the first limiting sheet 33 can be unfolded to be matched with the circular clamping groove 31 on the electric wire installation block 23, the limiting effect is realized on the reverse movement of the electric wire 12, and at the moment, the electric wire 12 and the electric wire installation block 23 are arranged on the same side.

The one-way clutch 77 of the present invention is used to ensure that the winding wheel 56 rotates without interfering with the second rotating shaft 73 after the limit braking when the pull cord 55 is pulled downward, and on the other hand, when the winding wheel 56 rotates in the opposite direction under the action of the spiral spring 75, the winding wheel 56 can drive the second rotating shaft 73 to rotate through the one-way clutch 77.

As shown in fig. 3, after the electric wires 12 are fixed to the bobbin unit 4, the two electric wires 12 on both sides are connected by the connecting electric wires 1.

As shown in fig. 14 and 17, the supporting sleeve 74 is fixedly installed on the upper side of the mounting bracket 45, the mounting sleeve 76 is fixedly installed on the winding wheel 56, the inner end of the spiral spring 75 is fixedly installed on the outer circumferential surface of the mounting sleeve 76, and the outer end of the spiral spring 75 is fixedly installed on the inner circumferential surface of the supporting sleeve 74.

As shown in fig. 3, the connecting wire 1 has two first connecting balls 7 at both ends thereof, and when the connecting wire 1 is mounted, the two first connecting balls 7 are connected to the second clamping pieces 39 of the two connecting mechanisms 13 mounted on the wires 12 on both sides; when the first connecting sphere 7 is connected with the second clamping piece 39, the first connecting sphere 7 is directly clamped between the second clamping piece 39, and the pre-pressure of the spring 38 provides thrust to the second pressing ring 40, so that the second pressing ring 40 presses the second clamping piece 39, and the second pressing piece clamps the first connecting sphere 7; in this state, the threaded ring 37 does not need to exert additional pressure on the spring 38. When two strands of electric wires 12 on both sides are connected by the connecting electric wire 1, since the electric wires 12 on both sides are already fixed by the corresponding electric wire mounting blocks 23, there is not much pulling force on the connecting electric wire 1 in the middle, but sufficient pressure is applied to the spring 38 by rotating the threaded sleeve, so that the pressure of the spring 38 fixes the connecting electric wire 1.

In the invention, when the connecting rope 14 is connected with the connecting mechanism 13, the pre-pressure of the spring 38 is relatively small by rotating the threaded sleeve, so that the connecting rope 14 is convenient to fall off when the trigger rod 79 is matched with the vertical plate of the mounting frame 45, and the connecting rope 14 is not easy to fall off in the process of pulling the electric wire 12.

As shown in fig. 10, a first through hole 29 is formed in the telescopic outer sleeve 25, a plurality of second evenly distributed holes 30 are formed in one end of the telescopic inner rod 24, and the first hole 29 is matched with the second holes 30; after the telescopic amount of the telescopic inner rod 24 and the telescopic outer sleeve 25 is determined, the telescopic function of the telescopic inner rod 24 and the telescopic outer sleeve 25 is locked through the matching of the limit screw 16 with the first limit hole 29 and the second limit hole 30.

As shown in fig. 12, the first clamping piece 35 has teeth 44 uniformly distributed on an inner wall surface thereof. The clamping force of the connection mechanism 13 and the electric wire 12 is ensured.

As shown in fig. 15, the pressing mechanism 51 includes a first rocker 58, a first fixed support 59, an upper pressing wheel 60, and a first mounting slide bar 62, wherein the lower end of the first fixed support 59 has a circular hole, two first guiding sliders 64 are symmetrically mounted on the inner circular surface of the circular hole, the first fixed support 59 is fixedly mounted on the upper side of the mounting frame 45, the first rocker 58 is mounted on the first fixed support 59 by screw-fitting, and the lower end of the first rocker 58 is located inside the first fixed support 59; two first guide sliding chutes 63 are symmetrically formed in the outer circular surface of the first mounting sliding rod 62, the upper end of the first mounting sliding rod 62 is rotatably mounted at the lower end of the first rocker 58, the lower end of the first mounting sliding rod 62 penetrates through the first fixed support 59 to be mounted with an upper pressing wheel 60, and the first guide sliding chutes 63 on the first mounting sliding rod 62 are in sliding fit with first guide sliding blocks 64 on the first fixed support 59; the upper press wheels 60 cooperate with corresponding lower press wheels 61.

As shown in fig. 16, the braking mechanism 57 includes a second rocking bar 65, a second fixed support 66, a braking plate 67, a mounting arc plate 69, and a second mounting sliding rod 70, wherein the second fixed support 66 has a circular hole at its lower end, two second guiding sliding blocks 71 are symmetrically mounted on the inner circular surface of the circular hole, the second fixed support 66 is fixedly mounted on the upper side of the mounting frame 45, the second rocking bar 65 is mounted on the second fixed support 66 through a screw-fit, and the lower end of the second rocking bar 65 is located inside the second fixed support 66; two second guide sliding grooves 72 are symmetrically formed in the outer circular surface of the second mounting sliding rod 70, the upper end of the second mounting sliding rod 70 is rotatably mounted at the lower end of the second rocker 65, the lower end of the second mounting sliding rod 70 penetrates through the second fixed support 66 to be mounted with a mounting arc plate 69, a brake sheet 67 is mounted on the mounting arc plate 69, and the brake sheet 67 is matched with a corresponding brake wheel 68; the second guide runner 72 on the second mounting slide 70 is in sliding engagement with the second guide slide 71 on the second fixed support 66.

The diameter of the second connecting sphere 50 is 1-1.5 times of the diameter of the connecting rope 14, so that the second connecting sphere 50 on the connecting rope 14 can be separated from the upper pressing wheel 60 and the lower pressing wheel 61 after the connecting rope 14 is separated from the connecting mechanism 13.

The specific working process is as follows: when the device designed by the invention is used, when the electric wire 12 is dragged and installed, two installation rings 34 are fixed at two ends of the cut electric wire 12, a gap of 5-10 cm is formed between the installed installation rings 34 and the end surface of the electric wire 12, and a plurality of elastic first limiting sheets 33 are uniformly arranged on the circumferential direction of the outer circular surface of each installation ring 34; then fixing a connecting mechanism 13, clamping the electric wire 12 through a first clamping piece 35 in the connecting mechanism 13 and rotating a first pressing ring 36 when fixing the connecting mechanism 13, so that the first pressing ring 36 presses the first clamping piece 35 under the action of threads to clamp the motor; then, a connecting rope 14 is connected to one end of the connecting mechanism 13 with the second clamping piece 39, one end of the connecting rope 14 is provided with a second connecting ball 50, when the connecting rope 14 is connected, the second connecting ball 50 on the connecting rope 14 is wrapped by the second clamping piece 39 in the connecting mechanism 13 and the threaded ring 37 is rotated, so that the threaded ring 37 presses the second pressing ring 40 through the spring 38, and the second clamping piece 39 is pressed by the second pressing ring 40 to clamp the second connecting ball 50; then, the worker brings one end of the connecting rope 14 to the upper side of the utility pole 3, simultaneously brings the tightening adjustment mechanism 10 to the top end of the utility pole 3, detachably mounts the mounting bracket 45 in the tightening adjustment mechanism 10 on the upper side of the rotary outer disc 48 through the fixing screw 46, positions the other end of the pulling rope 55 in the tightening adjustment mechanism 10 at the lower side of the utility pole 3, and directs the pressing wheel 61 and the pressing mechanism 51 in the tightening adjustment mechanism 10 to one of the two wire mounting blocks 23 in the corresponding wire rack unit 4; the second rocker 65 is adjusted and rotated, so that the second rocker 65 moves downwards under the action of threaded fit with the second fixed support 66, the second rocker 65 moves to drive the second mounting slide rod 70 to move, the second mounting slide rod 70 moves to drive the mounting arc plate 69 and the brake sheet 67 to brake and limit the brake wheel 68, then the pull rope 55 is pulled, so that the pull rope 55 drives the winding wheel 56 to rotate, therefore, the brake wheel 68 is braked, namely, the second rotating shaft 73 is braked, so that the winding wheel 56 rotates to drive the inner end of the scroll spring 75 to compress through the mounting ring sleeve 76, and the scroll spring 75 exerts force; then, the pulling of the pulling rope 55 is stopped, the first rocker 58 is rotated, so that the first rocker 58 moves upwards under the effect of threaded fit with the first fixed support 59, the first rocker 58 moves to drive the first mounting slide rod 62 to move, the first mounting slide rod 62 moves to drive the upper pressing wheel 60 to move, after the adjustment is completed, the other end of the connecting rope 14 penetrates through the upper side of the lower pressing wheel 61, and then the first rocker 58 is rotated, so that the upper pressing wheel 60 moves downwards to press the connecting rope 14.

After the above operations, the preparation actions are completed completely, when the electric wire 12 needs to be pulled up from the ground, the second rocker 65 is rotationally adjusted, the brake on the brake wheel 68 is released, that is, the second rotating shaft 73 can rotate, at this time, under the action of the volute spring 75, the winding wheel 56 can rotate in the reverse direction, the winding wheel 56 rotates in the reverse direction and drives the second rotating shaft 73 to rotate through the one-way clutch 77, the second rotating shaft 73 rotates and drives the second gear 54 to rotate, the second gear 54 rotates and drives the first gear 53 to rotate, the first gear 53 rotates and drives the first rotating shaft 52 to rotate, the first rotating shaft 52 rotates and drives the lower pressing wheel 61 to rotate, because the upper pressing wheel 60 presses the connecting rope 14 at this time, the lower pressing wheel 61 rotates and drives the connecting rope 14 to move, and the connecting rope 14 moves and drives the electric wire 12 to move through the connecting mechanism 13; the moving speed is adjusted by controlling the pressure of the upper pressure wheel 60 on the connecting rope 14; in the removal process, the electric wire 12 passes in the installation round hole 32 that opens on the electric wire installation piece 23 in corresponding one side line frame unit 4, when the electric wire 12 passed installation round hole 32, can be extruded by installation round hole 32 after the first spacing piece 33 on the collar 34 contacts in installation round hole 32, after first spacing piece 33 passed installation round hole 32, under self elastic action, first spacing piece 33 will strut with the cooperation of the circular slot 31 on the electric wire installation piece 23, play limiting displacement to the reverse movement of electric wire 12.

After the first limiting piece 33 passes through the mounting round hole 32, the trigger rod 79 in the connecting structure is in extrusion fit with the vertical plate of the mounting frame 45, the trigger rod 79 drives the second compression ring 40 to move relative to the mounting rod 43 under the action of the vertical plate, the pressure of the second clamping piece 39 on the second connecting sphere 50 is removed, after the pressure is removed, the electric wire 12 can move reversely under the dragging action, the first limiting piece 33 is limited by the round clamping groove 31, the electric wire 12 cannot fall off from the telegraph pole 3, and the electric wire 12 is mounted on the electric wire mounting block 23 at the moment.

Under the matching action of the trigger bar 79 and the vertical plates of the mounting rack 45, the design that the connecting ropes 14 are separated from the connecting mechanism 13 can ensure that the connecting ropes 14 are mutually influenced due to different lengths of the connecting ropes 14 when the electric wires 12 on two sides are pulled simultaneously.

At this time, the electric wire 12 is mounted on the electric wire mounting block 23; then, the positioning screw 49 between the lower fixed rotating inner disc 47 and the rotating outer disc 48 is loosened, and then the rotating outer disc 48 is rotated so that the positioning screw thread on the rotating outer disc 48 is engaged with the other limit round hole 28 on the rotating inner disc 47, in this state, the rotating outer disc 48 is rotated 180 degrees relative to the rotating inner disc 47, that is, the tightening adjusting mechanism 10 installed on the upper side of the rotating outer disc 48 is correspondingly rotated 180 degrees, in this state, the pressing wheel 61 and the pressing mechanism 51 in the tightening adjusting mechanism 10 face the other electric wire installing block 23 in the two electric wire installing blocks 23 in the corresponding wire frame unit 4, and the electric wire 12 on the other side can be dragged.

After the electric wires 12 on the two sides are all fixed on the corresponding electric wire 12 mounting frames 45, the two telescopic inner rods 24 are adjusted by the tightening adjusting mechanism 10 to slide towards the middle relative to the telescopic outer sleeves 25 in the middle, so that the two electric wires 12 mounted on the two telescopic inner rods 24 can be tensioned; after the two telescopic inner rods 24 are adjusted relative to the telescopic outer sleeves 25, that is, after the two wires 12 are tensioned, the telescopic function between the telescopic inner rods 24 and the telescopic outer sleeves 25 can be locked by the limiting screws 16 arranged between the telescopic outer sleeves 25 and the two telescopic inner rods 24. The two ends of the connecting wire 1 are arranged between the two connecting mechanisms 13 through the matching of the first connecting sphere 7 and the second clamping sheet 39, the spring 38 is pressed through rotating the threaded sleeve, so that the spring 38 pushes the second pressing ring 40 to press the second clamping sheet 39, and the first connecting sphere 7 is clamped.

And then the wires 12 on the two remaining wire frame units 4 are dragged, installed and tightened.

Claims (7)

1. The utility model provides a device that electric power construction shaft tower tightened up electric wire which characterized in that: the stringing module comprises three line frame units and a mounting sleeve, the mounting sleeve is detachably mounted at the upper end of a telegraph pole, one line frame unit is fixedly mounted on the upper side of the mounting sleeve, and the other two line frame units are symmetrically mounted on two sides of the mounting sleeve through a fixing rod respectively; the wire frame unit comprises a mounting cross rod, a telescopic rod, a resistor, a rotary inner disc, a rotary outer disc and a wire mounting block, wherein the mounting cross rod is of a U-shaped structure, two square guide sleeves are arranged at two ends of the mounting cross rod, and the two guide sleeves are fixedly connected through a mounting plate; the telescopic rod consists of a telescopic outer sleeve and two telescopic inner rods which are slidably arranged at two ends of the telescopic outer sleeve, and the telescopic outer sleeve and the telescopic inner rods are both of square structures; the telescopic outer sleeve is fixedly arranged on the lower side of the mounting plate, the two telescopic inner rods are slidably arranged on the two guide sleeves, and a limit screw for limiting the relative sliding of the telescopic inner rods and the telescopic outer sleeve is arranged between the two telescopic inner rods and the telescopic outer sleeve; one ends of the two telescopic inner rods, which are far away from the telescopic outer sleeves, are respectively detachably provided with a resistance piece, and the two resistance pieces are fixed on the corresponding telescopic inner rods through two tightening nuts; an insulated wire mounting block is mounted on the upper sides of the two resistance pieces, one end of the wire mounting block is provided with a mounting round hole, the other end of the wire mounting block is provided with a round clamping groove, and the round clamping groove is communicated with the mounting round hole; one side of each of the two telescopic inner rods is fixedly provided with a tightening driving pin; the rotary inner disc is fixedly arranged on the upper side of the mounting plate, two limiting round holes are symmetrically formed in the outer circular surface of the rotary inner disc, the rotary outer disc is rotatably arranged on the upper side of the rotary inner disc, and the positioning screws are arranged on the rotary outer disc and matched with the two limiting round holes; the mounting cross rods in the wire frame units in the middle are fixedly mounted on the upper side of the mounting sleeve, and the mounting cross rods in the two wire frame units on the two sides are mounted on the two sides of the mounting sleeve through two fixing rods;

the tightening adjusting mechanism comprises a first screw rod, a first threaded sleeve, an installation sliding rod and a tightening buckle block, wherein the first screw rod is in threaded fit connection with the first threaded sleeve, one end of the installation sliding rod is rotatably installed at one end, far away from the first screw rod, of the first threaded sleeve, the other end of the installation sliding rod and one end, far away from the first threaded sleeve, of the first screw rod are respectively and fixedly provided with the tightening buckle block, and the tightening buckle block is provided with a tightening clamp groove with a notch; the width of the gap of the collecting clamping groove is larger than the diameter of the tightening driving pin; when the telescopic rod is adjusted to stretch, the two tightening buckle blocks are clamped on the tightening driving pins of the two telescopic inner rods through the tightening clamping grooves on the two tightening buckle blocks, and the two collecting buckle blocks are driven to drive the two tightening driving pins to move close to the middle or move away from the middle by rotating the first threaded outer sleeve;

the tightening adjusting mechanism comprises a lower pressing wheel, an installation frame, a pressing mechanism, a first rotating shaft, a first gear, a second gear, a pull rope, a winding wheel, a braking mechanism, a second rotating shaft, a volute spiral spring and a one-way clutch, wherein the first rotating shaft is rotatably installed on the upper side of the installation frame, the lower pressing wheel is fixedly installed at one end of the first rotating shaft, and the pressing mechanism is installed on the installation frame and located on the upper side of the lower pressing wheel; the first gear is fixedly arranged on the first rotating shaft, the second rotating shaft is rotatably arranged on the upper side of the mounting frame, the second gear is fixedly arranged at one end of the second rotating shaft, and the second gear is meshed with the first gear; the brake wheel is fixedly arranged on the second rotating shaft, the brake mechanism is arranged on the upper side of the mounting frame, and the brake mechanism is positioned on the upper side of the brake wheel and brakes the brake wheel; the winding wheel is arranged at the other end of the second rotating shaft through a one-way clutch, and a pull rope is wound on the winding wheel; a volute spiral spring is arranged between the winding wheel and the mounting frame;

the connecting mechanism comprises a first clamping piece, a first compression ring, a threaded ring, a spring, a second clamping piece, a second compression ring, an installation rod and a trigger rod, wherein an external thread is arranged on the outer circular surface of the installation rod, a plurality of elastic first clamping pieces are uniformly arranged at one end of the installation rod in the circumferential direction, and a plurality of elastic arc-shaped second clamping pieces are uniformly arranged at the other end of the installation rod in the circumferential direction; the inner circle surface of one end of the first compression ring is provided with a second taper surface, the inner circle surface of the other end of the first compression ring is provided with internal threads, the first compression ring is installed on the installation rod through the matching of the internal threads and the external threads, and the second taper surface of the first compression ring is matched with the first clamping piece installed on the installation rod; the inner circular surface at one end of the second compression ring is provided with a first conical surface, the second compression ring is slidably arranged on the mounting rod, and the first conical surface on the second compression ring is matched with the second clamping piece arranged on the mounting rod; the threaded ring is installed on the installation rod in a threaded fit mode and located between the first compression ring and the second compression ring, a spring is installed between the threaded ring and the second compression ring, the spring is a compression spring and has pre-pressure, a trigger rod is fixedly installed on the outer circular surface of one end, far away from the threaded ring, of the second compression ring, and the trigger rod is in extrusion fit with a vertical plate on the installation frame;

before the electric wire is installed, two installation rings are fixed at two ends of the cut electric wire, a gap of 5-10 cm is formed between the installed installation rings and the end face of the electric wire, and a plurality of first limiting pieces with elasticity are uniformly arranged on the circumferential direction of the outer circular surface of each installation ring; when the electric wire is installed, the electric wire penetrates through an installation round hole formed in an electric wire installation block in the corresponding side wire frame unit and is fixedly provided with a connecting mechanism, and when the connecting mechanism is fixed, the electric wire is clamped through a first clamping piece in the connecting mechanism and a first pressing ring is rotated, so that the first pressing ring extrudes the first clamping piece to clamp the motor; then one end of the connecting mechanism, which is provided with a second clamping piece, is connected with a connecting rope, one end of the connecting rope is provided with a second connecting ball body, when the connecting rope is connected, the second connecting ball body on the connecting rope is wrapped by the second clamping piece in the connecting mechanism and the threaded ring is rotated, so that the threaded ring extrudes the second pressing ring through the spring, and the second clamping piece is extruded by the second pressing ring to clamp the second connecting ball body; then, the mounting frame in the tightening adjusting mechanism is detachably mounted on the upper side of the rotary outer disc through a fixing screw, and the other end of the pull rope in the collecting adjusting mechanism is positioned on the lower side of the telegraph pole; then the other end of the connecting rope penetrates through a round hole in a vertical plate of the mounting frame, is positioned on the upper side of the lower pressing wheel and is matched with the pressing mechanism, and the pressing mechanism is adjusted to press the connecting rope;

after the electric wires are fixed on the wire frame unit, the two electric wires on the two sides are connected through the connecting electric wires.

2. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: the support sleeve is fixedly arranged on the upper side of the mounting frame, the mounting ring sleeve is fixedly arranged on the winding wheel, the inner end of the spiral spring is fixedly arranged on the outer circular surface of the mounting ring sleeve, and the outer end of the spiral spring is fixedly arranged on the inner circular surface of the support sleeve.

3. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: two ends of the connecting wire are provided with two first connecting spheres, and when the connecting wire is installed, the two first connecting spheres are connected with the second clamping pieces of the two connecting mechanisms installed on the wires on two sides; when the first connecting sphere is connected with the second clamping sheet, the first connecting sphere is directly clamped between the second clamping sheet, thrust is provided for the second compression ring through the pre-pressure of the spring, so that the second compression ring compresses the second clamping sheet, and the second compression sheet clamps the first connecting sphere; in this state, the threaded ring does not need to exert additional pressure on the spring.

4. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: a through first limiting hole is formed in the telescopic outer sleeve, a plurality of second limiting holes which are uniformly distributed are formed in one end of the telescopic inner rod, and the first limiting holes are matched with the second limiting holes; after the telescopic amount of the telescopic inner rod and the telescopic outer sleeve is determined, the telescopic function of the telescopic inner rod and the telescopic outer sleeve is locked through the matching of the limiting screw and the first limiting hole and the second limiting hole.

5. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: the inner wall surface of the first clamping piece is provided with teeth which are uniformly distributed.

6. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: the pressing mechanism comprises a first rocker, a first fixed support, an upper pressing wheel and a first installation sliding rod, wherein the lower end of the first fixed support is provided with a round hole, two first guide sliding blocks are symmetrically installed on the inner circular surface of the round hole, the first fixed support is fixedly installed on the upper side of the installation frame, the first rocker is installed on the first fixed support in a threaded fit mode, and the lower end of the first rocker is located on the inner side of the first fixed support; two first guide sliding chutes are symmetrically formed in the outer circular surface of the first installation sliding rod, the upper end of the first installation sliding rod is rotatably installed at the lower end of the first rocker, the lower end of the first installation sliding rod penetrates through the first fixed support to be provided with an upper pressing wheel, and the first guide sliding chutes in the first installation sliding rod are in sliding fit with the first guide sliding blocks in the first fixed support; the upper pinch roller is matched with the corresponding lower pinch roller.

7. The device for tightening the electric wire on the electric power construction tower according to claim 1, wherein: the braking mechanism comprises a second rocker, a second fixed support, a braking brake sheet, an installation arc plate and a second installation sliding rod, wherein the lower end of the second fixed support is provided with a round hole, two second guide sliding blocks are symmetrically installed on the inner circular surface of the round hole, the second fixed support is fixedly installed on the upper side of the installation frame, the second rocker is installed on the second fixed support in a threaded fit manner, and the lower end of the second rocker is located on the inner side of the second fixed support; two second guide sliding chutes are symmetrically formed in the outer circular surface of the second mounting sliding rod, the upper end of the second mounting sliding rod is rotatably mounted at the lower end of the second rocker, the lower end of the second mounting sliding rod penetrates through the second fixed support to be mounted with a mounting arc plate, and a brake sheet is mounted on the mounting arc plate and matched with a corresponding brake wheel; and a second guide sliding chute on the second mounting sliding rod is in sliding fit with a second guide sliding block on the second fixed support.

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