CN110701245A - Wire rod traction steel cable fastening device for electric power transmission and installation method thereof - Google Patents

Abstract

The invention discloses a wire rod traction steel cable fastening device for electric power transmission and an installation method thereof, the wire rod traction steel cable fastening device comprises a shell, a fixed rod is fixedly connected above the inner side wall of the shell, a rotating rod is fixedly connected below the inner side wall of the shell, a winch and a first gear are respectively sleeved on the outer side wall of the rotating rod, the steel strand is wound and connected on the outer side walls of the winch and the guide wheel, a guide groove is arranged at the top of the shell, a protective cover is hinged at the top of the shell, a limiting seat is welded on the inner side wall of the shell, a fixed seat is slidably connected inside the limiting seat, four fixing components penetrating from the top to the bottom are uniformly arranged at the top of the shell, and the problems that personal injury is caused to operators when heavy objects such as cement wire drawing discs need to be placed or the traction effect cannot be achieved due to, the working efficiency and the safety guarantee of operators are effectively improved.

Description

Wire rod traction steel cable fastening device for electric power transmission and installation method thereof

Technical Field

The invention relates to the technical field of telegraph pole fastening devices, in particular to a telegraph pole traction steel cable fastening device for electric power transmission and an installation method thereof.

Background

Along with the development requirements of scientific technology and industrial production, the power technology is widely applied in the aspects of communication, transportation, power and the like, the demand of the society on power is also increased sharply, direct current transmission is adopted for immature electric energy transmission in the early stage, alternating current transmission is developed gradually in the later stage, the alternating current transmission has many advantages, the loss in power transmission is reduced, the speed and the transmission length are improved, a telegraph pole is one of important infrastructures in China in the early stage, various telegraph poles in the early stage are started from wood poles, even high-voltage wire poles with not too high voltage levels are included, the development of steel and reinforced concrete and the technical requirements are met, the two materials replace most of the wood poles, the applicable wood is gradually scarce, the development of the steel and the concrete in cities is basically difficult to see that the wood poles are combined with the technical research, the concrete pole is made by utilizing the principle of centrifugal force, most wooden poles are replaced by reinforced concrete conical cement poles and equal-diameter cement poles, and the cement pole is firm, durable, corrosion-resistant, temperature difference-resistant, high in strength and crack-resistant, although the wood poles are replaced by the cement poles, the self weight of the cement poles is larger, most of the traction cables need to be added after installation, but at present, one end of each of most of the traction cables is fixed with the pole, the other end of each of the traction cables is fixed on the ground and is dragged or pre-buried by the gravity of a cement wire drawing disc, the length of each traction cable is cut in advance, so that the length of each wire drawing disc has certain limitation on the length of each wire drawing disc, a traction device and each traction cable after concrete pouring are inconvenient to dismantle, the cement wire drawing disc is used for dragging the pole, the installation is inconvenient due to the self weight of, therefore, the wire rod traction steel cable fastening device for the electric power transmission and the installation method thereof are provided.

Disclosure of Invention

The invention aims to provide a wire rod traction steel cable fastening device for electric power transmission and an installation method thereof, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a wire rod traction steel cable fastening device for electric power transmission comprises a shell, wherein a fixed rod is fixedly connected above the inner side wall of the shell, a rotating rod is fixedly connected below the inner side wall of the shell, a guide wheel is sleeved on the outer side wall of the fixed rod, a winch and a first gear are respectively sleeved on the outer side wall of the rotating rod, the steel strand is wound on the outer side wall of the winch and the outer side wall of the guide wheel, one end of the steel strand is fixedly connected on the outer side wall of the winch, the other end of the steel strand penetrates through the guide groove and extends to the wire tightener fixedly connected on the outer side wall of the protective cover, the guide groove is formed in the top of the shell, the protective cover is hinged to the top of the shell, a sliding groove is formed in the top of the protective cover, a sliding block is connected to the sliding groove in a sliding manner, a through, the lateral wall of the body of rod has cup jointed the second bearing, the outer lane of second bearing rotates and is connected with steel strand wires, two loop bars of the both sides difference fixedly connected with of slider, the inside sliding connection of loop bar has the guide bar, the guide bar is keeping away from the one end fixed connection of loop bar in the inside wall of spout, the inside lateral wall welding of casing has spacing seat, the inside sliding connection of spacing seat has the fixing base, the top of casing evenly is provided with four fixed subassemblies that the top runs through to the bottom.

As further preferable in the present technical solution: fixed subassembly includes bracing piece, threaded rod, first bevel gear, second bevel gear, screw hole, connecting rod, drilling rod, barb, lug, third spring, third hand wheel, drill bit and spiral portion, the one end of bracing piece is run through the top fixedly connected with third hand wheel of casing, the inside threaded connection of bracing piece has the threaded rod, the bottom welding of threaded rod has the drill bit, the lateral wall of threaded rod near the drill bit top is provided with the spiral portion, the bottom welding of threaded rod has first bevel gear, the lateral wall of bracing piece evenly sets up threaded hole, the inside difference threaded connection of screw hole has connecting rod and drilling rod.

As further preferable in the present technical solution: the connecting rod with four slide rails have been seted up respectively to the inside of drilling rod, four there are four supporting shoes in the inside of slide rail sliding connection respectively, the inside sliding connection respectively of connecting rod and drilling rod has the slide bar, the slide bar is keeping away from the connecting rod with the one end welding of drilling rod has second bevel gear, keeping away from of slide bar the lateral wall fixedly connected with fourth spring of second bevel gear, the fourth spring is keeping away from the one end fixed connection of slide bar in the connecting rod with the inside lateral wall of drilling rod, first bevel gear and second bevel gear meshing. The first bevel gear is meshed with the second bevel gear.

As further preferable in the present technical solution: the even welding of lateral wall of bracing piece has the lug, the top of lug articulates there is the barb, the barb is keeping away from the bottom fixedly connected with third spring of lug, the third spring is keeping away from the one end fixed connection of barb in the lateral wall of bracing piece.

As further preferable in the present technical solution: two slides have been seted up respectively to the inside roof of fixing base and diapire, the inside sliding connection of slide has the connecting block, the lateral wall welding of connecting block has the fixed block, the one end of fixed block runs through respectively spacing seat with the lateral wall welding of fixing base has the stopper.

As further preferable in the present technical solution: third bearing has been inlayed to the inside diapire of spacing seat, the inner circle welding of third bearing has the bull stick, two have been cup jointed respectively to the lateral wall of bull stick the second gear, the bull stick is keeping away from the one end of third bearing runs through respectively the top fixedly connected with second hand wheel of spacing seat and casing.

As further preferable in the present technical solution: the lateral wall fixedly connected with second spring of connecting block, the second spring is keeping away from the one end fixed connection of connecting block in the inside wall of slide, the fixing base is keeping away from the lateral wall welding of fixed block has two racks, rack toothing has the second gear.

As further preferable in the present technical solution: the inside lateral wall fixedly connected with first spring of loop bar, first spring is keeping away from the one end of loop bar inside wall weld in the lateral wall of guide bar, loop bar sliding connection in the inside of spout.

As further preferable in the present technical solution: first bearing has been inlayed to the bottom of casing, the inner circle welding of first bearing has the worm axle, the worm axle is keeping away from the one end of first bearing is run through the first hand wheel of casing fixedly connected with, first gear with the worm axle meshing.

In addition, the present invention also provides: a method for installing a wire rod traction steel cable fastening device for power transmission comprises the following steps:

s1, placing the shell into the excavated foundation pit, opening the protective cover to rotate a third hand wheel, enabling a drill bit at the bottom of the supporting rod to drill downwards through the spiral part, using a tool to continuously rotate the threaded rod after the threaded rod is lowered to a target height, enabling the threaded rod to be lowered to the bottommost part in the supporting rod, enabling the threaded rod to rotate downwards through the threads in the supporting rod, enabling the connecting rod to rotate towards the outside of the supporting rod in the threaded hole after the threaded rod is lowered to positions respectively meshed with the second taper teeth of the first layer, the second taper teeth of the second layer and the second taper teeth of the third layer, and enabling the barbs to be opened outwards and the drilling rod to drill outwards by rotating the connecting rod;

s2, rotating a second hand wheel to enable a second gear sleeved on the outer side wall to rotate, driving a rack to move 30-50 cm to the right side when the second gear rotates, driving a fixing seat to move 20-40 cm to the right simultaneously by the rack to enable a fixing block to move synchronously, and enabling a limiting block to move rightwards by the movement of the fixing block to enable the limiting block to leave the clamping limit of the first gear;

and S3, drawing the steel strand out of one end of the steel strand far away from the shell, enabling the length of the steel strand to be 30-50 m, rotating a second hand wheel after the steel strand is drawn to the target length, enabling a limiting block to continue to limit the position of the first gear in a clamping mode, closing a protective cover, adjusting a wire tightener to draw the steel strand close to the telegraph pole after one end of the steel strand is fixed to the telegraph pole, and backfilling a foundation pit for placing the shell.

Compared with the prior art, the invention has the beneficial effects that:

firstly, a fastening device is placed in an excavated foundation pit, four support rods arranged around the top of a shell are used for preventing the ground of the foundation pit from being uneven, a third hand wheel can be selectively rotated by an inclined or uneven angle, a drill bit at the bottom of each support rod can drill deep into the ground by rotating the third hand wheel, the fastening performance of the support rods and the ground can be improved by arranging a spiral part on the outer side wall below the support rods, the support rods can also penetrate into the ground conveniently, then a tool is used for rotating a threaded rod to enable the threaded rod to move downwards, a first bevel gear at the bottom of the threaded rod can respectively drive a second bevel gear at one end of each connecting rod in the downward moving process, the connecting rods and the drill rods can be driven to rotate in threaded holes and extend outwards simultaneously when the second bevel gear rotates, a third spring begins to contract, and the third spring can push the second bevel gear back to, the connecting rod can contact the barb when extending outwards, the barb can be opened outwards due to the outwards thrust of the connecting rod, the drill rod can extend outwards transversely when rotating, the support rod can grip the soil layer to the maximum extent through the barb and the transverse extension of the drill rod, the ground gripping force of the support rod is improved, meanwhile, the ground gripping force of the support rod can achieve a corresponding or better traction effect when objects such as a cement guy wire plate and the like are not used for traction, the problems that personal injury is caused to operators when heavy objects such as the cement guy wire plate and the like need to be placed or the traction effect cannot be achieved due to insufficient dead weight are prevented, and the working efficiency and safety guarantee of the operators are effectively improved;

secondly, the steel strand wires are wound on the outer side wall of the winch, the corresponding length can be drawn out according to the requirement, the application range of the wire pole with different heights is widened, the length of the steel strand wires cut due to measurement errors can be effectively prevented from being insufficient or too long by the required drawing amount, the application range is widened, and meanwhile, the loss of traction materials is reduced;

third, when needs change maintenance or adjustment wire pole, open the protective cover and pass through the instrument rotation threaded rod, make the threaded rod rebound, the threaded rod can drive first bevel gear and second bevel gear rotation when rebound, make second bevel gear one side fixed connection's connecting rod and drilling rod rotate to bracing piece inside in the through-hole, later rotate the third hand wheel and pass through the spiral portion with the threaded rod from the ground internal rotation ground that goes out, with the locking of steel strand wires and wire pole, rotate first hand wheel and withdraw the steel strand wires on the capstan winch, can pull the wire pole after carrying out simple operation and dismantle.

Drawings

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

FIG. 2 is a schematic side view of the cross-sectional structure of the present invention;

FIG. 3 is a cross-sectional view of a strut of the present invention;

FIG. 4 is a schematic view of a support bar according to the present invention;

FIG. 5 is a schematic cross-sectional view of the connecting rod and drill rod of the present invention;

FIG. 6 is an enlarged view of the area A in FIG. 2 according to the present invention;

fig. 7 is an enlarged structural diagram of the area B in fig. 2 according to the present invention.

In the figure: 1. a housing; 2. a protective cover; 3. a limiting seat; 4. rotating the rod; 5. fixing the rod; 6. a winch; 7. a guide wheel; 8. a first bearing; 9. a second bearing; 10. a third bearing; 11. a first spring; 12. a second spring; 13. a fourth spring; 14. a first hand wheel; 15. a second hand wheel; 16. a wire grip; 17. a worm shaft; 18. a rack; 19. a first gear; 20. a second gear; 21. steel strand wires; 22. a guide groove; 23. a chute; 24. a slider; 25. a through hole; 26. a rod body; 27. a guide bar; 28. a loop bar; 29. a fixed seat; 30. a fixed block; 31. a slideway; 32. connecting blocks; 33. a limiting block; 34. a rotating rod; 35. a slide rail; 36. a support block; 37. a slide bar; 40. a fixing assembly; 401. a support bar; 402. a threaded rod; 403. a first bevel gear; 404. a second bevel gear; 405. a threaded hole; 406. a connecting rod; 407. a drill stem; 408. a barb; 409. a bump; 410. a third spring; 411. a third hand wheel; 412. a drill bit; 413. a spiral portion.

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. 1-7, the present invention provides a technical solution: the utility model provides a wire pole pulls steel cable fastener for electric power transmission, includes casing 1, the top fixedly connected with dead lever 5 of the inside lateral wall of casing 1, the below fixedly connected with dwang 4 of the inside lateral wall of casing 1, the lateral wall of dead lever 5 has cup jointed leading wheel 7, and leading wheel 7 is used for guiding steel strand wires 21, prevents that steel strand wires 21 from can shifting when outwards twitching, capstan winch 6 and first gear 19 have respectively been cup jointed to the lateral wall of dwang 4, capstan winch 6 with the lateral wall of leading wheel 7 all around connect with steel strand wires 21, and steel strand wires 21 rolling is at the lateral wall of capstan winch 6, rotates capstan winch 6 when using and takes out the length of required steel strand wires 21, the one end fixed connection of steel strand wires 21 in the lateral wall of capstan winch 6, the other end of steel strand wires 21 runs through guide way 22 extends to the lateral wall fixed connection of protective cover 2 has turn-up 16, after the steel strand 21 and the utility pole are fixed, the steel strand 21 is tensioned by adjusting the wire tightener 16, the top of the shell 1 is provided with the guide groove 22, the guide groove 22 is used for limiting and guiding the stroke of the steel strand 21, the top of the shell 1 is hinged with the protective cover 2 which plays a role in protecting the internal structure and parts and preventing the steel strand 21 from being normally pulled on the utility pole due to the error operation of foreign matters or non-professionals, the top of the protective cover 2 is provided with the sliding groove 23, the sliding groove 23 is connected with the sliding block 24 in a sliding manner, the stroke of the sliding block 24 in the sliding groove 23 is limited and guided by the sliding groove 23, the top of the sliding block 24 is provided with the through hole 25, the steel strand 21 extends to the outside of the protective cover 2 through the through hole 25, the sliding block 24 is fixedly connected with the rod body 26 in the inner part close to the through hole 25, the outer side wall, the outer ring of the second bearing 9 is rotatably connected with a steel strand 21 to prevent the steel strand 21 from contacting and rubbing with the protective cover 2, the abrasion of the steel strand 21 can be reduced through the second bearing 9, the service life of the steel strand 21 is prolonged, two loop bars 28 are respectively and fixedly connected to two sides of the sliding block 24, a guide bar 27 is slidably connected to the inside of the loop bar 28, one end of the guide bar 27 far away from the loop bar 28 is fixedly connected to the inner side wall of the sliding groove 23, when the sliding block 24 moves towards two sides in the sliding groove 23, the guide bar 27 can be pushed to move towards the loop bar 28, meanwhile, the first spring 11 is contracted in the loop bar 28 due to the movement of the guide bar 27, when the sliding block 24 moves towards one side through the elasticity of the first spring 11, the first spring 11 on the other side can push the guide bar 27 towards the sliding block 24, the opening of the sliding groove 23 can be effectively sealed, the inner side wall of, the inside sliding connection of spacing seat 3 has fixing base 29, and fixing base 29 can drive connecting block 32 and stopper 33 synchronous motion when removing in spacing seat 3, the top of casing 1 evenly is provided with the top and runs through four fixed subassembly 40 to the bottom. The fixing component 40 comprises a supporting rod 401, a threaded rod 402, a first bevel gear 403, a second bevel gear 404, a threaded hole 405, a connecting rod 406, a drill rod 407, a barb 408, a bump 409, a third spring 410, a third hand wheel 411, a drill bit 412 and a spiral part 413, wherein one end of the supporting rod 401 penetrates through the top of the shell 1 and is fixedly connected with the third hand wheel 411, the supporting rod 401 is convenient to rotate, the internal thread of the supporting rod 401 is connected with the threaded rod 402, the drill bit 412 is welded at the bottom of the threaded rod 402, the spiral part 413 is arranged on the outer side wall of the threaded rod 402 close to the upper part of the drill bit 412, the supporting rod 401 can conveniently go deep into the ground through the matching of the spiral part 413 and the drill bit 412, the supporting rod 401 can effectively grasp the soil layer, the first bevel gear 403 is, the threaded hole 405 is internally and respectively connected with a connecting rod 406 and a drill rod 407 in a threaded manner, the threaded hole 405 is used for fixing the positions of the connecting rod 406 and the drill rod 407, and the moving direction of the connecting rod 406 and the drill rod 407 is guided by the threads in the threaded hole 405. Four sliding rails 35 are respectively arranged inside the connecting rod 406 and the drill rod 407, four supporting blocks 36 are respectively connected inside the four sliding rails 35 in a sliding manner, the sliding rails 35 are used for guiding the travel of the supporting blocks 36 in the sliding grooves 23 and limiting the positions of the supporting blocks 36 inside the sliding rails 35, sliding rods 37 are respectively connected inside the connecting rod 406 and the drill rod 407 in a sliding manner, a second bevel gear 404 is welded at one end of each sliding rod 37 far away from the connecting rod 406 and the drill rod 407, a fourth spring 13 is fixedly connected on the outer side wall of each sliding rod 37 far away from the second bevel gear 404, one end of each fourth spring 13 far away from the sliding rod 37 is fixedly connected to the inner side walls of the connecting rod 406 and the drill rod 407, and the first bevel gear is meshed with the second bevel gear 404. The first bevel gear 403 is meshed with the second bevel gear 404, the threaded rod 402 is rotated to drive the first bevel gear 403 to rotate downwards, the connecting rod 406 and the drill rod 407 are driven to rotate and move in the threaded hole 405 at the same time after the first bevel gear 403 is moved to the second bevel gear 404, the sliding rod 37 is pushed and slides towards the inside of the connecting rod 406 and the drill rod 407 due to the extrusion of the first bevel gear 403 on the second bevel gear 404, the fourth spring 13 on the outer side wall of the sliding rod 37 starts to be stressed and contracted, and after the first bevel gear 403 leaves the extrusion of the second bevel gear 404, the sliding rod 37 is pushed back by the elasticity of the fourth spring 13. The even welding of lateral wall of bracing piece 401 has lug 409, the top of lug 409 articulates there is barb 408, barb 408 is keeping away from the bottom fixedly connected with third spring 410 of lug 409, third spring 410 is keeping away from the one end fixed connection of barb 408 in bracing piece 401's lateral wall can contact barb 408 when connecting rod 406 is removed to bracing piece 401 outside through screw hole 405, later promotes barb 408 and expandes to bracing piece 401 outside, makes the tensile atress of third spring 410 simultaneously. Two slides 31 have been seted up respectively to the inside roof of fixing base 29 and diapire, the inside sliding connection of slide 31 has connecting block 32, the lateral wall welding of connecting block 32 has fixed block 30, the one end of fixed block 30 runs through respectively spacing seat 3 with the lateral wall welding of fixing base 29 has stopper 33, and when fixed block 30 removed to casing 1 inside in fixing base 29, can drive stopper 33 and rotate the restriction of 19 screens of first gear, and the effectual length to the steel strand wires 21 on the capstan winch 6 is injectd. Third bearing 10 has been inlayed to spacing seat 3's inside diapire, the inner circle welding of third bearing 10 has bull stick 34, two have been cup jointed respectively to the lateral wall of bull stick 34 second gear 20, bull stick 34 is keeping away from the one end of third bearing 10 runs through respectively spacing seat 3 and the top fixedly connected with second hand wheel 15 of casing 1 can effectual reduction bull stick 34 coefficient of friction when rotating through third bearing 10, improves the coefficient of rotation, and second hand wheel 15 can be convenient for rotate bull stick 34. The lateral wall fixedly connected with second spring 12 of connecting block 32, second spring 12 is keeping away from the one end fixed connection of connecting block 32 in the inside wall of slide 31, fixing base 29 is keeping away from the lateral wall welding of fixed block 30 has two racks 18, rack 18 meshes has second gear 20, and bull stick 34 drives second gear 20 when rotating and makes rack 18 remove in spacing seat 3. The first spring 11 is fixedly connected to an inner side wall of the loop bar 28, one end of the first spring 11, which is far away from the inner side wall of the loop bar 28, is welded to an outer side wall of the guide bar 27, the loop bar 28 is slidably connected to the inside of the chute 23, when the slider 24 moves towards two sides in the guide groove 22, the first spring 11 on one side is retracted in the loop bar 28 by the thrust of the slider 24, and the first spring 11 on the other side can be ejected from the slider 24 in the loop bar 28 by the movement of the slider 24 to push the guide bar 27 to slide towards the slider 24 in the chute 23. First bearing 8 has been inlayed to casing 1's bottom, the inner circle welding of first bearing 8 has worm axle 17, worm axle 17 is keeping away from the one end of first bearing 8 is run through the first hand wheel 14 of casing 1 fixedly connected with, first gear 19 with worm axle 17 meshes, and worm axle 17 accessible first hand wheel 14 rotates, can drive first gear 19 synchronous rotation when worm axle 17 rotates, and first gear 19 can drive dwang 4, makes the capstan winch 6 that the dwang 4 lateral wall cup jointed rotate.

Example 1

The invention also provides: a method for installing a wire rod traction steel cable fastening device for power transmission comprises the following steps:

s1, placing the shell into the excavated foundation pit, opening the protective cover to rotate the third hand wheel, enabling the drill bit at the bottom of the supporting rod to drill downwards through the spiral part, using a tool to continuously rotate the threaded rod after the threaded rod is lowered to a target height, enabling the threaded rod to be lowered to the bottommost part in the supporting rod, enabling the threaded rod to rotate downwards through the threads in the supporting rod, enabling the connecting rod to rotate towards the outside of the supporting rod in the threaded hole after the threaded rod is lowered to be respectively meshed with the second taper teeth of the first layer, and enabling the barbs to be outwards opened by rotating the connecting rod;

s2, rotating a second hand wheel to enable a second gear sleeved on the outer side wall to rotate, driving a rack to move 38cm to the right side when the second gear rotates, driving a fixing seat to move 28cm to the right simultaneously by the rack to enable a fixing block to move synchronously, and enabling a limiting block to move rightwards by the movement of the fixing block to enable the limiting block to leave the clamping limit of the first gear;

s3, one end, far away from the shell, of the steel strand is pulled outwards, the length of the steel strand is 35m, after the steel strand is pulled to the target length, the second hand wheel is rotated, the limiting block continues to limit the first gear in a clamping mode, then the protective cover is closed, after one end of the steel strand is fixed to the telegraph pole, the tightener is adjusted to draw the steel strand close, and the foundation pit for placing the shell is backfilled.

The working principle or the structural principle is that when the device is used, the fastening device is placed in an excavated foundation pit, four support rods 401 arranged around the top of the shell 1 prevent the ground of the foundation pit from being uneven, a third hand wheel 411 can be selectively rotated through an inclined or uneven angle, a protective cover 2 is opened to rotate the third hand wheel 411, a drill bit 412 at the bottom of each support rod 401 drills deep into the ground, the fastening performance of the support rods 401 and the ground can be improved by arranging a spiral part 413 on the outer side wall below the support rods 401, a tool is used to continuously rotate a threaded rod 402 after the threaded rod is lowered to a target height, the threaded rod 402 is moved downwards, a first bevel gear 403 at the bottom of the threaded rod 402 in the downward moving process respectively drives a connecting rod 406 and a second bevel gear 404 at one end of a drill rod 407, and drives the connecting rod 406 and the drill rod 407 to rotate in a threaded, meanwhile, the fourth spring 13 starts to be stretched and stressed, when the first bevel gear 403 leaves the second bevel gear 404, the fourth spring 13 pushes the second bevel gear 404 back, the connecting rod 406 contacts the barb 408 when extending outwards, the barb 408 is expanded outwards due to the outward thrust of the connecting rod 406, the drill rod 407 extends outwards transversely when rotating, then the second wheel 15 is rotated to rotate the second gear 20 sleeved on the outer side wall, the rack 18 is driven to move when the second wheel 20 rotates, the rack 18 drives the fixing seat 29 to move simultaneously, the fixing block 30 moves synchronously, the limit block 33 moves away from the limit of the first gear 19 through the movement of the fixing block 30, after one end of the steel strand 21 away from the shell 1 is drawn outwards to the target length, the second wheel 15 is rotated to continue the limit of the first gear 19 by the limit block 33, then the protective cover 2 is closed, after one end of the steel strand 21 is fixed with the telegraph pole, the foundation pit for placing the shell 1 is backfilled after the steel strand 21 is tightened by the adjusting tightener 16, and meanwhile, the position of the protective cover 2 is reserved, so that necessary operation can be carried out on the inside of the shell 1 conveniently when the telegraph pole is replaced, maintained or adjusted in angle.

Example 2

The invention also provides: a method for installing a wire rod traction steel cable fastening device for power transmission comprises the following steps:

s1, placing the shell into the excavated foundation pit, opening the protective cover to rotate the third hand wheel, enabling the drill bit at the bottom of the support rod to drill downwards through the spiral part, using a tool to continuously rotate the threaded rod after the threaded rod is lowered to the target height, enabling the threaded rod to be lowered to the bottommost part in the support rod, enabling the threaded rod to rotate downwards through the threads in the support rod, enabling the continuous drill rod to rotate towards the outside of the support rod in the threaded hole after the threaded rod is lowered to be respectively meshed with the second taper teeth of the second layer, and enabling the continuous drill rod to drill outwards through rotating the drill rod;

s2, rotating a second hand wheel to enable a second gear sleeved on the outer side wall to rotate, driving a rack to move 45cm to the right side when the second gear rotates, driving a fixing seat to move 35cm to the right simultaneously by the rack to enable a fixing block to move synchronously, and enabling a limiting block to move rightwards by the movement of the fixing block to enable the limiting block to leave the clamping limit of the first gear;

s3, drawing the steel strand out of one end of the steel strand far away from the shell, enabling the length of the steel strand to be 42m, rotating the second hand wheel after the steel strand is drawn to the target length, enabling the limiting block to continue to limit the clamping position of the first gear, closing the protective cover, adjusting the wire tightener to draw the steel strand close to the wire pole after one end of the steel strand is fixed to the wire pole, and backfilling a foundation pit where the shell is placed.

The working principle or the structural principle is that when the device is used, the fastening device is placed in an excavated foundation pit, four support rods 401 arranged around the top of the shell 1 prevent the ground of the foundation pit from being uneven, a third hand wheel 411 can be selectively rotated through an inclined or uneven angle, a protective cover 2 is opened to rotate the third hand wheel 411, a drill bit 412 at the bottom of each support rod 401 drills deep into the ground, the fastening performance of the support rods 401 and the ground can be improved by arranging a spiral part 413 on the outer side wall below the support rods 401, a tool is used to continuously rotate a threaded rod 402 after the threaded rod is lowered to a target height, the threaded rod 402 is moved downwards, a first bevel gear 403 at the bottom of the threaded rod 402 in the downward moving process respectively drives a connecting rod 406 and a second bevel gear 404 at one end of a drill rod 407, and drives the connecting rod 406 and the drill rod 407 to rotate in a threaded, meanwhile, the fourth spring 13 starts to be stretched and stressed, when the first bevel gear 403 leaves the second bevel gear 404, the fourth spring 13 pushes the second bevel gear 404 back, the connecting rod 406 contacts the barb 408 when extending outwards, the barb 408 is expanded outwards due to the outward thrust of the connecting rod 406, the drill rod 407 extends outwards transversely when rotating, then the second wheel 15 is rotated to rotate the second gear 20 sleeved on the outer side wall, the rack 18 is driven to move when the second wheel 20 rotates, the rack 18 drives the fixing seat 29 to move simultaneously, the fixing block 30 moves synchronously, the limit block 33 moves away from the limit of the first gear 19 through the movement of the fixing block 30, after one end of the steel strand 21 away from the shell 1 is drawn outwards to the target length, the second wheel 15 is rotated to continue the limit of the first gear 19 by the limit block 33, then the protective cover 2 is closed, after one end of the steel strand 21 is fixed with the telegraph pole, the foundation pit for placing the shell 1 is backfilled after the steel strand 21 is tightened by the adjusting tightener 16, and meanwhile, the position of the protective cover 2 is reserved, so that necessary operation can be carried out on the inside of the shell 1 conveniently when the telegraph pole is replaced, maintained or adjusted in angle.

Example 3

The invention also provides: a method for installing a wire rod traction steel cable fastening device for power transmission comprises the following steps:

s1, placing the shell into the excavated foundation pit, opening the protective cover to rotate the third hand wheel, enabling the drill bit at the bottom of the supporting rod to drill downwards through the spiral part, using a tool to continuously rotate the threaded rod after the threaded rod is lowered to a target height, enabling the threaded rod to be lowered to the bottommost part in the supporting rod, enabling the threaded rod to rotate downwards through the threads in the supporting rod, enabling the connecting rod to rotate towards the outside of the supporting rod in the threaded hole after the threaded rod is lowered to be respectively meshed with the second taper teeth of the third layer, and enabling the barbs to be outwards opened by rotating the connecting rod;

s2, rotating a second hand wheel to enable a second gear sleeved on the outer side wall to rotate, driving a rack to move 49cm to the right side when the second gear rotates, driving a fixing seat to move 39cm to the right simultaneously by the rack to enable a fixing block to move synchronously, and enabling a limiting block to move rightwards by the movement of the fixing block to enable the limiting block to leave the position limiting limit of the first gear;

s3, one end, far away from the shell, of the steel strand is pulled outwards, the length of the steel strand is 46m, after the steel strand is pulled to the target length, the second hand wheel is rotated, the limiting block continues to limit the clamping position of the first gear, then the protective cover is closed, after one end of the steel strand is fixed to the telegraph pole, the tightener is adjusted to draw the steel strand close, and the foundation pit for placing the shell is backfilled.

The working principle or the structural principle is that when the device is used, the fastening device is placed in an excavated foundation pit, four support rods 401 arranged around the top of the shell 1 prevent the ground of the foundation pit from being uneven, a third hand wheel 411 can be selectively rotated through an inclined or uneven angle, a protective cover 2 is opened to rotate the third hand wheel 411, a drill bit 412 at the bottom of each support rod 401 drills deep into the ground, the fastening performance of the support rods 401 and the ground can be improved by arranging a spiral part 413 on the outer side wall below the support rods 401, a tool is used to continuously rotate a threaded rod 402 after the threaded rod is lowered to a target height, the threaded rod 402 is moved downwards, a first bevel gear 403 at the bottom of the threaded rod 402 in the downward moving process respectively drives a connecting rod 406 and a second bevel gear 404 at one end of a drill rod 407, and drives the connecting rod 406 and the drill rod 407 to rotate in a threaded, meanwhile, the fourth spring 13 starts to be stretched and stressed, when the first bevel gear 403 leaves the second bevel gear 404, the fourth spring 13 pushes the second bevel gear 404 back, the connecting rod 406 contacts the barb 408 when extending outwards, the barb 408 is expanded outwards due to the outward thrust of the connecting rod 406, the drill rod 407 extends outwards transversely when rotating, then the second wheel 15 is rotated to rotate the second gear 20 sleeved on the outer side wall, the rack 18 is driven to move when the second wheel 20 rotates, the rack 18 drives the fixing seat 29 to move simultaneously, the fixing block 30 moves synchronously, the limit block 33 moves away from the limit of the first gear 19 through the movement of the fixing block 30, after one end of the steel strand 21 away from the shell 1 is drawn outwards to the target length, the second wheel 15 is rotated to continue the limit of the first gear 19 by the limit block 33, then the protective cover 2 is closed, after one end of the steel strand 21 is fixed with the telegraph pole, the foundation pit for placing the shell 1 is backfilled after the steel strand 21 is tightened by the adjusting tightener 16, and meanwhile, the position of the protective cover 2 is reserved, so that necessary operation can be carried out on the inside of the shell 1 conveniently when the telegraph pole is replaced, maintained or adjusted in angle.

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 (10)

1. The utility model provides an electric wire pole pulls steel cable fastener for electric power transmission, includes casing (1), its characterized in that: the upper part of the inner side wall of the shell (1) is fixedly connected with a fixing rod (5), the lower part of the inner side wall of the shell (1) is fixedly connected with a rotating rod (4), the outer side wall of the fixing rod (5) is sleeved with a guide wheel (7), the outer side wall of the rotating rod (4) is respectively sleeved with a winch (6) and a first gear (19), the outer side walls of the winch (6) and the guide wheel (7) are respectively wound with a steel strand (21), one end of the steel strand (21) is fixedly connected with the outer side wall of the winch (6), the top of the shell (1) is provided with a guide groove (22), the top of the shell (1) is hinged with a protective cover (2), the other end of the steel strand (21) penetrates through the guide groove (22) and extends to a wire tightener (16) fixedly connected with the outer side wall of the protective cover (2), the top of the, a slide block (24) is connected inside the sliding groove (23) in a sliding way, a through hole (25) is arranged at the top of the slide block (24), a rod body (26) is fixedly connected inside the slide block (24) close to the through hole (25), the outer side wall of the rod body (26) is sleeved with a second bearing (9), the outer ring of the second bearing (9) is rotatably connected with a steel strand (21), two sides of the sliding block (24) are respectively and fixedly connected with two loop bars (28), a guide rod (27) is connected inside the loop bar (28) in a sliding manner, one end of the guide rod (27) far away from the loop bar (28) is fixedly connected to the inner side wall of the sliding chute (23), the inner side wall of the shell (1) is welded with a limiting seat (3), the inner part of the limiting seat (3) is connected with a fixed seat (29) in a sliding way, four fixing assemblies (40) with the tops penetrating to the bottoms are uniformly arranged at the top of the shell (1).

2. The electric power transmission wire rod traction cable fastening device as claimed in claim 1, wherein: the fixed component (40) comprises a supporting rod (401), a threaded rod (402), a first bevel gear (403), a second bevel gear (404), a threaded hole (405), a connecting rod (406), a drill rod (407), a barb (408), a convex block (409), a third spring (410), a third hand wheel (411), a drill bit (412) and a spiral part (413), wherein one end of the supporting rod (401) penetrates through the third hand wheel (411) fixedly connected to the top of the shell (1), the internal thread of the supporting rod (401) is connected with the threaded rod (402), the drill bit (412) is welded at the bottom of the threaded rod (402), the spiral part (413) is arranged on the outer side wall of the threaded rod (402) above the drill bit (412), the first bevel gear (403) is welded at the bottom of the threaded rod (402), and the threaded hole (405) is uniformly formed in the outer, the inner part of the threaded hole (405) is respectively in threaded connection with a connecting rod (406) and a drill rod (407).

3. The electric power transmission wire rod traction cable fastening device as claimed in claim 2, wherein: four sliding rails (35) are respectively arranged inside the connecting rod (406) and the drill rod (407), four supporting blocks (36) are respectively connected inside the four sliding rails (35) in a sliding manner, sliding rods (37) are respectively connected inside the connecting rod (406) and the drill rod (407) in a sliding manner, a second bevel gear (404) is welded at one end, away from the connecting rod (406) and the drill rod (407), of each sliding rod (37), a fourth spring (13) is fixedly connected at the outer side wall, away from the second bevel gear (404), of each sliding rod (37), one end, away from the sliding rod (37), of each fourth spring (13) is fixedly connected to the inner side walls of the connecting rod (406) and the drill rod (407), and the first bevel gear (403) is meshed with the second bevel gear (404).

4. The electric power transmission wire rod traction cable fastening device as claimed in claim 2, wherein: the even welding of lateral wall of bracing piece (401) has lug (409), the top of lug (409) articulates there is barb (408), barb (408) are keeping away from the bottom fixedly connected with third spring (410) of lug (409), third spring (410) are keeping away from the one end fixed connection of barb (408) in the lateral wall of bracing piece (401).

5. The electric power transmission wire rod traction cable fastening device as claimed in claim 1, wherein: two slides (31) have been seted up respectively to the inside roof of fixing base (29) and diapire, the inside sliding connection of slide (31) has connecting block (32), the lateral wall welding of connecting block (32) has fixed block (30), the one end of fixed block (30) runs through respectively spacing seat (3) with the lateral wall welding of fixing base (29) has stopper (33).

6. The electric power transmission wire rod traction cable fastening device as claimed in claim 2, wherein: third bearing (10) have been inlayed to the inside diapire of spacing seat (3), the inner circle welding of third bearing (10) has bull stick (34), two second gear (20) have been cup jointed respectively to the lateral wall of bull stick (34), bull stick (34) are keeping away from the one end of third bearing (10) is run through respectively the top fixedly connected with second hand wheel (15) of spacing seat (3) and casing (1).

7. The electric power transmission wire rod traction cable fastening device as claimed in claim 5, wherein: the lateral wall fixedly connected with second spring (12) of connecting block (32), second spring (12) are keeping away from the one end fixed connection of connecting block (32) in the inside wall of slide (31), fixing base (29) are keeping away from the lateral wall welding of fixed block (30) has two racks (18), rack (18) meshing has second gear (20).

8. The electric power transmission wire rod traction cable fastening device as claimed in claim 7, wherein: the inside lateral wall fixedly connected with first spring (11) of loop bar (28), first spring (11) is keeping away from the one end of loop bar (28) inside wall weld in the lateral wall of guide bar (27), loop bar (28) sliding connection in the inside of spout (23).

9. The electric power transmission wire rod traction cable fastening device as claimed in claim 1, wherein: first bearing (8) have been inlayed to the bottom of casing (1), the inner circle welding of first bearing (8) has worm axle (17), worm axle (17) are keeping away from the one end of first bearing (8) is run through casing (1) the first hand wheel (14) of fixedly connected with, first gear (19) with worm axle (17) meshing.

10. The method for installing a wire rod pull cable fastening device for electric power transmission according to any one of claims 1 to 9, wherein: the method comprises the following steps:

s1, placing the shell into the excavated foundation pit, opening the protective cover to rotate a third hand wheel, enabling a drill bit at the bottom of the supporting rod to drill downwards through the spiral part, using a tool to continuously rotate the threaded rod after the threaded rod is lowered to a target height, enabling the threaded rod to be lowered to the bottommost part in the supporting rod, enabling the threaded rod to rotate downwards through the threads in the supporting rod, enabling the connecting rod to rotate towards the outside of the supporting rod in the threaded hole after the threaded rod is lowered to positions respectively meshed with the second taper teeth of the first layer, the second taper teeth of the second layer and the second taper teeth of the third layer, and enabling the barbs to be opened outwards and the drilling rod to drill outwards by rotating the connecting rod;

s2, rotating a second hand wheel to enable a second gear sleeved on the outer side wall to rotate, driving a rack to move 30-50 cm to the right side when the second gear rotates, driving a fixing seat to move 20-40 cm to the right simultaneously by the rack to enable a fixing block to move synchronously, and enabling a limiting block to move rightwards by the movement of the fixing block to enable the limiting block to leave the clamping limit of the first gear;

and S3, drawing the steel strand out of one end of the steel strand far away from the shell, enabling the length of the steel strand to be 30-50 m, rotating a second hand wheel after the steel strand is drawn to the target length, enabling a limiting block to continue to limit the position of the first gear in a clamping mode, closing a protective cover, adjusting a wire tightener to draw the steel strand close to the telegraph pole after one end of the steel strand is fixed to the telegraph pole, and backfilling a foundation pit for placing the shell.

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