CN111614022A

CN111614022A - Can guarantee to stabilize tensioner bullwheel for electric power installation that dismouting used

Info

Publication number: CN111614022A
Application number: CN202010460178.XA
Authority: CN
Inventors: 谷梅彩
Original assignee: Individual
Current assignee: Shandong Zhongmao Industrial Group Co ltd Qihe Branch; Qihe Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-09-01
Anticipated expiration: 2040-05-27
Also published as: CN111614022B

Abstract

The invention discloses a wire tightening device for electric installation, which can ensure stable disassembly and assembly for use, and comprises a base, an electric extension ladder and a wire pole, wherein the lower end of the base is provided with universal wheels, one end of a folding frame, which is far away from the base, is hinged with a fixed seat, the output end of the electric extension ladder is fixedly connected with a limiting rod through a bolt, the upper end of a clamping block is in threaded connection with a bidirectional threaded rod, the upper surface of the base is provided with a protection groove, one end of the clamping block, which is close to a vertical central axis of the base, is fixedly connected with a first fixing ring, the left end of a second fixing rope is fixedly connected with an anti-drop hook, the lower end of the second fixing ring is fixedly connected with a fixing rod, and. This can guarantee to stabilize tensioner bullwheel for electric power installation that dismouting used, the avoiding of cable centre gripping is too firm, and it is fixed to conveniently carry out the centre gripping to the cable pole simultaneously to and conveniently adjust the interval size between the clamping device.

Description

Can guarantee to stabilize tensioner bullwheel for electric power installation that dismouting used

Technical Field

The invention relates to the technical field related to electric power installation, in particular to a wire tightening device for electric power installation, which can ensure stable disassembly and assembly.

Background

With the progress of society and the acceleration of economic construction speed, the requirement of an electric power customer on providing high-quality and reliable power supply for an electric power department is higher and higher, hot-line work maintenance can not only provide continuous and uninterrupted power supply for a user, but also improve the power supply reliability of a power grid, a large-section lead is widely applied to the construction of a power transmission line project along with the improvement of voltage grade, and the existing extra-high voltage direct current power transmission line project adopts a 1250mm2 large-section lead, so that higher requirements are provided for the wire tightening construction.

However, when general electric power is installed in operation, there are several problems, such as:

1. the common wire clamping device is too firm to clamp the cable, so that the power cable is easily extruded and damaged, the power transmission is influenced, and the use is inconvenient;

2. the cable rod is inconvenient to clamp and fix, the height of the cable rod is inconvenient to adjust, time and manpower are wasted, and meanwhile, the danger is increased;

3. the space size between the inconvenient regulation clamping device, the degree of tightness of inconvenient freedom adjustment cable simultaneously, inconvenient protection power cable, we have provided a tight line device for electric power installation that can guarantee to stabilize dismouting and use for this reason, are used for solving above-mentioned problem.

Disclosure of Invention

The invention aims to provide a wire tightening device for power installation, which can ensure stable disassembly and assembly for use, and solves the problems that the common wire clamping device proposed in the background art is too firm for clamping a cable, inconvenient for clamping and fixing the cable and inconvenient for adjusting the space size between the clamping devices.

In order to achieve the purpose, the invention provides the following technical scheme: a wire tightening device for electric installation capable of guaranteeing stable disassembly and assembly comprises a base, an electric extension ladder and a wire pole, wherein the lower end of the base is fixedly connected with universal wheels, the left end and the right end of the base are hinged with folding frames, one end of each folding frame, which is far away from the base, is hinged with a fixed seat, the upper end of each fixed seat is fixedly provided with the electric extension ladder through bolts, the output end of the electric extension ladder is fixedly connected with a limiting rod through bolts, the limiting rod is connected with the lower end of a clamping block in a penetrating manner, the upper end of the clamping block is in threaded connection with a bidirectional threaded rod, the inner wall of the clamping block is rotatably connected with a roller wheel, the interior of the clamping block is in a penetrating manner connected with the wire pole, the upper surface of the base is provided with a protective groove, the front end of the base is hinged with, a first fixing rope is fixedly connected to the outer surface of the first fixing ring, a third fixing ring is fixedly connected to one end, far away from the first fixing ring, of the first fixing rope, a second fixing rope penetrates through the interior of the left third fixing ring, and the right end of the second fixing rope is fixedly connected with the right third fixing ring;

the left end fixedly connected with mousing-hook of the fixed rope of second, and mousing-hook and the solid fixed ring of second hang each other and put and be connected, the solid fixed ring's of second lower extreme fixedly connected with dead lever, and the dead lever is at the internal thread connection of slider, the middle part fixed mounting of the fixed rope of second has adjusting device, and adjusting device includes telescopic link, spacing support, spacing roller, wind-up roll and gyration spring, the telescopic link passes through bolt fixed connection at the middle part of the fixed rope of second, and the equal fixedly connected with spacing support of two walls about the output of telescopic link, the lower extreme of spacing support rotates and is connected with spacing roller, and the lower extreme of telescopic link rotates and is connected with gyration spring, gyration spring all overlaps at both ends around and is equipped with gyration spring, and gyration spring fixed mounting is.

Preferably, the protection groove formed in the upper surface of the base is matched with the longitudinal section of the adjusting device, and the base and the fixing seat form a left-right telescopic structure through the folding frame.

Preferably, the fixing base includes outer box, spacing spring, slide, inserts the awl, adjusts pole, adjustment tank, standing groove and draw-in groove, and the inside front side cover of outer box is equipped with spacing spring, and the front end downside sliding connection of outer box has the slide, and the awl is inserted to the lower extreme fixedly connected with of slide, and the middle part through connection of slide has the regulation pole, and the adjustment tank has been seted up to the front surface of outer box, and the standing groove has been seted up to the upper surface of outer box, and open in the lower surface front side of outer box has the draw-in groove, and the inside through connection of draw-in groove has.

Preferably, the adjusting rod is of an I-shaped structure, the adjusting rod forms a sliding structure on the adjusting groove, and the front end of the adjusting rod is connected with the upper end of the adjusting groove in a clamping manner.

Preferably, the inserting cones are arranged on the lower end face of the sliding plate at equal intervals, and the total height dimension of the inserting cones and the sliding plate is not larger than the inner depth dimension of the outer box body.

Preferably, the cross section of the clamping block is of an arc-shaped structure, the clamping block is arranged in bilateral symmetry about the central axis of the bidirectional threaded rod, and the clamping block forms a sliding structure on the limiting rod through the bidirectional threaded rod.

Preferably, the limiting support and the telescopic rod form a triangular structure, and the winding roller forms a rotating structure on the telescopic rod through a rotary spring.

Preferably, first solid fixed ring, first fixed rope and the solid fixed ring of third constitute the triangular pyramid structure, and this structure sets up about the vertical axis bilateral symmetry of base.

Preferably, the lower end of the fixed rod is connected with the outer surface of the second fixed rope in a clamping manner, and the fixed rod forms a lifting structure on the second fixed rope through a sliding block.

Preferably, the sliding block forms a sliding structure on the second fixing rope, and the sliding block, the third fixing ring and the second fixing rope form a triangular structure.

Compared with the prior art, the invention has the beneficial effects that: the wire tightening device for power installation, which can ensure stable disassembly and assembly, avoids the over-firmness of cable clamping, is convenient for clamping and fixing the cable rod, and is convenient for adjusting the space size between the clamping devices;

1. the folding device is provided with the base, the fixing seat and the folding frame, the distance and the size between the base and the fixing seat are adjusted through the folding frame, the folding storage and the carrying are convenient, and meanwhile, the adjusting device and the clamping block are convenient to store in the base and the fixing seat, so that the arrangement and the carrying are convenient;

2. the device is provided with a clamping block and an adjusting device, the clamping block is clamped and fixed on the telegraph pole through a bidirectional threaded rod, the adjusting device is convenient to install and fix, and the adjusting device is used for winding and connecting cables and is convenient to pull bidirectionally, so that the length can be automatically adjusted conveniently, and the device is suitable for natural conditions of expansion with heat and contraction with cold;

3. be equipped with slider and dead lever, be threaded connection between slider and the dead lever to when the slider of being convenient for slides on the fixed rope of second, through slider fixed connection, thereby be convenient for adjust the length of the fixed rope of second, be convenient for adjust the interval size of clamp splice and clamp splice, the surface at the wire pole of different intervals is conveniently installed.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic front sectional view of the fixing base of the present invention;

FIG. 4 is a schematic view of the overall structure of the fixing base of the present invention;

FIG. 5 is a schematic top sectional view of the clamp block and bi-directional threaded rod connection of the present invention;

FIG. 6 is a schematic front view of the adjusting device of the present invention;

FIG. 7 is a schematic top sectional view of the base of the present invention;

FIG. 8 is a schematic view of the overall structure of the spacing bracket of the present invention;

FIG. 9 is a schematic view of a front view structure of the connection of the wind-up roll and the rotary spring of the present invention.

In the figure: 1. a base; 2. a universal wheel; 3. a folding frame; 4. a fixed seat; 401. an outer case; 402. a limiting spring; 403. a slide plate; 404. inserting a cone; 405. adjusting a rod; 406. an adjustment groove; 407. a placement groove; 408. a card slot; 5. an electric extension ladder; 6. a limiting rod; 7. a clamping block; 8. a roller; 9. a bidirectional threaded rod; 10. a utility pole; 11. an adjustment device; 11. an adjustment device; 1101. a telescopic rod; 1102. a limiting bracket; 1103. a limiting roller; 1104. a wind-up roll; 1105. a return spring; 12. a protective groove; 13. a cover plate; 14. a first retaining ring; 15. a first securing cord; 16. unhooking prevention; 17. a second retaining ring; 18. a slider; 19. fixing the rod; 20. a second securing cord; 21. and a third fixing ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the utility model provides a can guarantee to stabilize tight line device for electric power installation that dismouting was used, including base 1, universal wheel 2, folding leg 3, fixing base 4, electronic extension ladder 5, gag lever post 6, clamp splice 7, gyro wheel 8, two-way threaded rod 9, wire pole 10, adjusting device 11, protection groove 12, apron 13, first solid fixed ring 14, first fixed rope 15, mousing-hook 16, second solid fixed ring 17, slider 18, dead lever 19, second fixed rope 20 and third solid fixed ring 21, the lower extreme erection joint of base 1 has universal wheel 2, and the equal hinged joint in both ends has folding leg 3 about base 1, the one end hinged joint that folding leg 3 kept away from base 1 has fixing base 4, and the upper end of fixing base 4 passes through bolt fastening and installs electronic extension ladder 5, fixing base 4 includes outer container 401, spacing spring 402, slide 403, insert awl 404, adjust pole 405, adjustment tank 406, A placing groove 407 and a clamping groove 408, a limiting spring 402 is sleeved on the front side inside the outer box 401, a sliding plate 403 is connected to the lower side of the front end of the outer box 401 in a sliding manner, an inserting cone 404 is fixedly connected to the lower end of the sliding plate 403, an adjusting rod 405 is connected to the middle of the sliding plate 403 in a penetrating manner, an adjusting groove 406 is formed in the front surface of the outer box 401, a placing groove 407 is formed in the upper surface of the outer box 401, a clamping groove 408 is formed in the front side of the lower surface of the outer box 401, an inserting cone 404 is connected to the inside of the clamping groove 408 in a penetrating manner, a limiting rod 6 is fixedly connected to the output end of the electric extension ladder 5 through a bolt, the limiting rod 6 is connected to the lower end of a clamping block 7 in a penetrating manner, a bidirectional threaded rod 9 is connected to the upper end of the clamping block 7 in a threaded manner, a roller 8 is rotatably connected to the inner, a first fixing ring 14 is fixedly connected to one end, close to a vertical central axis, of the clamping block 7, a first fixing rope 15 is fixedly connected to the outer surface of the first fixing ring 14, a third fixing ring 21 is fixedly connected to one end, far away from the first fixing ring 14, of the first fixing rope 15, a second fixing rope 20 penetrates through the inside of the left third fixing ring 21, and the right end of the second fixing rope 20 is fixedly connected with the right third fixing ring 21;

the left end fixedly connected with mousing-hook 16 of the fixed rope 20 of second, and mousing-hook 16 and the fixed ring 17 of second hang each other and put and be connected, the lower extreme fixedly connected with dead lever 19 of the fixed ring 17 of second, and dead lever 19 is at the internal thread connection of slider 18, the middle part fixedly mounted of the fixed rope 20 of second has adjusting device 11, and adjusting device 11 includes telescopic link 1101, spacing support 1102, spacing roller 1103, wind-up roll 1104 and gyration spring 1105, telescopic link 1101 is through bolt fixed connection in the middle part of the fixed rope 20 of second, and the equal fixedly connected with spacing support 1102 of both walls about the output of telescopic link 1101, the lower extreme of spacing support 1102 rotates and is connected with spacing roller 1103, and the lower extreme of telescopic link 1101 rotates and is connected with gyration spring 1105, both ends all overlap and are equipped with gyration spring 1105 around gyration spring 1105, and gyration spring 1105 fixed mounting is on.

Like the longitudinal section shape of the protection groove 12 and the adjusting device 11 that fig. 1 and fig. 7 offered on the upper surface of the base 1 agree with each other, and the base 1 forms left and right extending structure through the folding leg 3 and the fixing base 4, conveniently folds the base 1 and the fixing base 4, is also convenient for deposit adjusting device 11, makes things convenient for later stage transport arrangement.

Like in fig. 1, 3 and 4 adjust pole 405 and be "worker" style of calligraphy structure, and adjust pole 405 constitutes sliding construction on adjustment tank 406, and the front end of adjusting pole 405 is the block with the upper end of adjustment tank 406 and is connected, conveniently shrink the inside of outer box 401 to inserting awl 404, the spacing fixed of also being convenient for simultaneously, avoid the landing outside, if fig. 1, 3 and 4 insert awl 404 at the equidistant setting of the lower terminal surface of slide 403, and insert the inside degree of depth size that awl 404 and slide 403's overall height size is not more than outer box 401, make things convenient for fixed connection below the soil, make things convenient for fixed mounting, avoid droing.

The cross section of the clamping block 7 is of an arc-shaped structure as shown in fig. 1 and 5, the clamping block 7 is arranged in bilateral symmetry about the central axis of the bidirectional threaded rod 9, the clamping block 7 forms a sliding structure on the limiting rod 6 through the bidirectional threaded rod 9, the distance size of the clamping block 7 is convenient to adjust, the telegraph pole 10 is convenient to clamp and fix, and therefore the telegraph pole is convenient to install and connect on the telegraph pole 10, the limiting support 1102 and the telescopic rod 1101 form a triangular structure as shown in fig. 1, fig. 6, fig. 8 and fig. 9, the winding roller 1104 forms a rotating structure on the telescopic rod 1101 through the rotary spring 1105, the bidirectional cable pulling is convenient to achieve, the length of the cable is convenient to automatically adjust, and the cable can be freely adjusted and convenient to use under the condition of expansion with heat and contraction.

As shown in fig. 1, 2 and 5, the first fixing ring 14, the first fixing string 15 and the third fixing ring 21 form a triangular pyramid structure, and the structure is arranged symmetrically left and right about the vertical central axis of the base 1, so that the second fixing rope 20 is conveniently and firmly fixed, the support is convenient and stable, the lower end of the fixing rod 19 is connected with the outer surface of the second fixing rope 20 in a clamping way as shown in figures 1 and 2, and the fixed rod 19 forms a lifting structure on the second fixed rope 20 through the sliding block 18, so as to conveniently adjust the length dimension of the second fixed rope 20, and conveniently fix the sliding block 18 on the second fixed rope 20 through the fixed rod 19 to prevent sliding, as shown in fig. 1 and 2, the sliding block 18 forms a sliding structure on the second fixed rope 20, and slider 18, third solid fixed ring 21 and the fixed rope 20 of second constitute the triangle-shaped structure, conveniently connect the mousing-hook 16 with the fixed ring 17 of second and fix, conveniently adjust the length dimension of the fixed rope 20 of second.

The working principle is as follows: when the electric power installation wire tightening device capable of ensuring stable disassembly and assembly is used, firstly, as shown in fig. 1, 3, 4 and 7, the base 1 and the fixed seat 4 are placed on the ground, the fixed seat 4 on the left side is placed on the front side of the telegraph pole 10, the fixed seat 4 on the right side is pulled and unfolded rightwards through the folding frame 3, then the adjusting rod 405 is slid downwards on the adjusting groove 406 through the sliding plate 403, so that the inserting cone 404 is inserted below the ground, the base 1 and the fixed seat 4 are conveniently fixed, when the inserting cone 404 needs to be retracted into the outer box body 401, the adjusting rod 405 drives the sliding plate 403 to slide upwards, the adjusting rod 405 is slid inside the sliding plate 403, so that the adjusting rod 405 is clamped inside the upper end of the adjusting groove 406, then, as shown in fig. 1, 2 and 5, the clamping block 7 is taken out of the fixed seat 4, the clamping block 7 is used for adjusting the distance size of the clamping block 7 through the bidirectional, conveniently clamping the utility pole 10 on the outer surface, sliding the sliding block 18 on the second fixing rope 20, hanging the anti-drop hook 16 on the second fixing ring 17 until the second fixing rope 20 is in a linear state, screwing the fixing rod 19 in the sliding block 18, extruding the fixing rod 19 on the second fixing rope 20, and conveniently fixing the sliding block 18 on the second fixing rope 20;

referring to fig. 1, 6 and 8, an adjusting device 11 is fixedly mounted on a second fixing rope 20 through a bolt, a cable is wound and connected on the outer surface of a wind-up roll 1104, the cable is mounted on the outer surface of the wind-up roll 1104 through the bolt, two ends of the cable can be pulled reversely towards the left and right ends through a limiting roll 1103 respectively, when thermal expansion and cold contraction alternately occur in winter and summer, the cable can be pulled freely on the wind-up roll 1104 to adjust the tightness of the cable, meanwhile, a rotary spring 1105 is connected on the outer surface of the wind-up roll 1104 to facilitate automatic rotation, when thermal expansion occurs in summer and the cable is loosened, the wind-up roll 1104 automatically rotates through the rotary spring 1105 to facilitate winding and sorting, so as to avoid cable collapse, after the installation, a person stands on the electric extension ladder 5 and automatically stretches upwards as shown in fig. 1 and 7, thereby facilitating pushing the clamp block 7 to slide upwards and facilitating the erection of the cable, manually rotate two-way threaded rod 9, clip the surface at wire pole 10 with clamp splice 7, prevent to drop, then dismantle the upper end of electronic extension ladder 5 and the lower extreme of gag lever post 6, folding shrink electronic extension ladder 5, the people gets off the back, dismantle electronic extension ladder 5 from fixing base 4, leave in the inside of fixing base 4, then folding base 1 and fixing base 4, and convenient to carry, the transport of conveniently arranging, this is exactly the whole process that can guarantee to stabilize the tight line device use for the electric power installation of dismouting use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can guarantee to stabilize tensioner bullwheel for electric power installation that dismouting used, includes base (1), electronic extension ladder (5) and wire pole (10), its characterized in that: the lower end of the base (1) is connected with a universal wheel (2) in an installing mode, the left end and the right end of the base (1) are hinged with a folding frame (3), one end, far away from the base (1), of the folding frame (3) is hinged with a fixing seat (4), the upper end of the fixing seat (4) is fixedly provided with an electric extension ladder (5) through a bolt, the output end of the electric extension ladder (5) is fixedly connected with a limiting rod (6) through the bolt, the limiting rod (6) is connected to the lower end of a clamping block (7) in a penetrating mode, the upper end of the clamping block (7) is connected with a bidirectional threaded rod (9) in a threaded mode, the inner wall of the clamping block (7) is rotatably connected with a roller (8), the inside of the clamping block (7) is connected with a telegraph pole (10) in a penetrating mode, the upper surface of the base (1) is provided, one end, close to a vertical central axis of the base (1), of the clamping block (7) is fixedly connected with a first fixing ring (14), the outer surface of the first fixing ring (14) is fixedly connected with a first fixing rope (15), one end, far away from the first fixing ring (14), of the first fixing rope (15) is fixedly connected with a third fixing ring (21), a second fixing rope (20) penetrates through the inside of the left third fixing ring (21), and the right end of the second fixing rope (20) is fixedly connected with the right third fixing ring (21);

the left end of the second fixed rope (20) is fixedly connected with an anti-unhooking hook (16), the anti-unhooking hook (16) and the second fixed ring (17) are mutually hung and connected, the lower end of the second fixed ring (17) is fixedly connected with a fixed rod (19), the fixed rod (19) is in threaded connection with the inner portion of the sliding block (18), the middle of the second fixed rope (20) is fixedly provided with an adjusting device (11), the adjusting device (11) comprises a telescopic rod (1101), a limiting support (1102), a limiting roller (1103), a winding roller (1104) and a rotary spring (1105), the telescopic rod (1101) is fixedly connected with the middle of the second fixed rope (20) through bolts, the limiting support (1102) is fixedly connected to the left wall and the right wall of the output end of the telescopic rod (1101), the lower end of the limiting support (1102) is rotatably connected with the limiting roller (1103), and the lower end of the telescopic rod (1101) is rotatably, the front end and the rear end of the rotary spring (1105) are sleeved with the rotary spring (1105), and the rotary spring (1105) is fixedly arranged on the telescopic rod (1101).

2. The electric power installation wire tensioner according to claim 1, wherein: the upper surface of the base (1) is provided with a protection groove (12) matched with the longitudinal section shape of the adjusting device (11), and the base (1) and the fixed seat (4) form a left-right telescopic structure through the folding frame (3).

3. The electric power installation wire tensioner according to claim 1, wherein: fixing base (4) include outer box (401), spacing spring (402), slide (403), insert awl (404), adjust pole (405), adjustment tank (406), standing groove (407) and draw-in groove (408), the inside front side cover of outer box (401) is equipped with spacing spring (402), the front end downside sliding connection of outer box (401) has slide (403), the lower extreme fixedly connected with of slide (403) inserts awl (404), the middle part through connection of slide (403) has adjust pole (405), adjustment tank (406) has been seted up to the front surface of outer box (401), standing groove (407) has been seted up to the upper surface of outer box (401), draw-in groove (408) have been seted up to the lower surface front side of outer box (401), the inside through connection of draw-in groove (408) has insert awl (404).

4. The electric power installation wire tensioner according to claim 3, wherein: the adjusting rod (405) is of an I-shaped structure, the adjusting rod (405) forms a sliding structure on the adjusting groove (406), and the front end of the adjusting rod (405) is connected with the upper end of the adjusting groove (406) in a clamping manner.

5. The electric power installation wire tensioner according to claim 3, wherein: the inserting cones (404) are arranged on the lower end face of the sliding plate (403) at equal intervals, and the total height size of the inserting cones (404) and the sliding plate (403) is not larger than the inner depth size of the outer box body (401).

6. The electric power installation wire tensioner according to claim 1, wherein: the cross section of the clamping block (7) is of an arc-shaped structure, the clamping block (7) is arranged in bilateral symmetry relative to the central axis of the bidirectional threaded rod (9), and the clamping block (7) forms a sliding structure on the limiting rod (6) through the bidirectional threaded rod (9).

7. The electric power installation wire tensioner according to claim 1, wherein: the limiting support (1102) and the telescopic rod (1101) form a triangular structure, and the winding roller (1104) forms a rotating structure on the telescopic rod (1101) through a rotary spring (1105).

8. The electric power installation wire tensioner according to claim 1, wherein: first solid fixed ring (14), first fixed rope (15) and third solid fixed ring (21) constitute the triangle cone structure, and this structure sets up about the vertical axis bilateral symmetry of base (1).

9. The electric power installation wire tensioner according to claim 1, wherein: the lower end of the fixed rod (19) is connected with the outer surface of the second fixed rope (20) in a clamping manner, and the fixed rod (19) forms a lifting structure on the second fixed rope (20) through a sliding block (18).

10. The electric power installation wire tensioner according to claim 1, wherein: the sliding block (18) forms a sliding structure on the second fixing rope (20), and the sliding block (18), the third fixing ring (21) and the second fixing rope (20) form a triangular structure.