CN110797801B

CN110797801B - Electric power construction tensioner bullwheel

Info

Publication number: CN110797801B
Application number: CN201911140984.2A
Authority: CN
Inventors: 林力; 姜伟; 邹德亮; 孙德尧; 李强; 于纪敏; 王天杰; 王新科; 张海峰; 于洁; 孙冰; 王俊涛; 张雅文
Original assignee: Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Current assignee: Yantai Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority date: 2019-11-20
Filing date: 2019-11-20
Publication date: 2021-01-15
Anticipated expiration: 2039-11-20
Also published as: CN110797801A

Abstract

The invention discloses an electric power construction wire tightening device, which comprises a wire tightening frame, a wire tightening mechanism and a locking mechanism, wherein the wire tightening mechanism is arranged on one side of the wire tightening frame, the locking mechanism is arranged at the lower end of the wire tightening frame, the wire tightening mechanism is connected with the locking mechanism, the wire tightening frame comprises a vertical plate, a retaining support, a hinged seat, a rotating pin, a binding band, a positioning hole, an extension rod and a threaded rod, the retaining support is fixedly connected with the upper end and the lower end of one side of the vertical plate, the wire tightening frame is sleeved on the outer wall of an electric power laying rod, the wire tightening degree is adjusted by the wire tightening mechanism, the locking mechanism realizes the locking action, the structure is reasonable, the operation is simple, the effective implementation of an electric power laying project is greatly assisted, compared with the traditional construction wire tightening equipment, the electric power construction wire tightening device not only has the wire tightening action, but also can realize the gradual wire tightening operation in an unlocking state, so that the problem of cable pulling injury or wire, the guy wire facility is not required to be additionally arranged.

Description

Electric power construction tensioner bullwheel

Technical Field

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

Background

During the laying construction of the power cable, a specially-assigned person commands and unifies signals for paying-off, paying-off and tightening operations, communication smoothness and enhanced monitoring are achieved, whether paying-off, paying-off and tightening tools and equipment are good or not is checked before the cable is tightened, whether a barrier exists in a lead or not is checked, whether a clamping phenomenon exists in a wiring pipe or a wiring head and positions of a pulley, a cross arm, a branch, a house and the like or not is checked before the cable is tightened, if the clamping and the hanging phenomenon exists in the case of guidance and ground wires, after-treatment of the cable is required, when the cable is paid-off, the cable is loosened, the personnel cannot stand or straddle a stressed traction rope, the inner corner side of the lead, the unfolded guide and ground coils and the vertical lower side of the traction rope or an overhead wire, the cable is prevented from being accidentally run, the cable is tightened, before the cable is loosened, the cable is checked on the pull wire, a pile anchor and a tower pole tower, if necessary, a temporary pull rope is reinforced or an additional temporary pull rope is arranged, and the lead is suddenly cut off and, The ground wire is loosened.

Because the tight line equipment function singleness that the electric power cable was laid only has the tight line function, can't carry out gradually the operation of loosing the line in real time, this has brought very big inconvenience for electric power cable laying construction work, and the adding of consolidating stake anchor or interim stay cord establishes, wastes time and energy, and the operation still needs to be demolishd in the later stage for the cable is laid the construction step and is become very loaded down with trivial details.

Disclosure of Invention

The invention aims to solve the problems in the prior art and provide an electric power construction wire tightening device and a production method thereof.

In order to solve the technical problems, the invention provides the following technical scheme:

the invention discloses a power construction wire tightening device which comprises a wire tightening frame, a wire tightening mechanism and a locking mechanism, wherein the wire tightening mechanism is installed on one side of the wire tightening frame, and the locking mechanism is installed at the lower end of the wire tightening frame.

As preferred, tight line frame includes the riser, keeps off to prop, articulated seat, commentaries on classics round pin, bandage, locating hole, extension pole and threaded rod, the equal fixedly connected with in upper and lower both ends of riser one side keeps off to prop, two keep off to prop between being equipped with the threaded rod, the both ends of threaded rod all prop with two fender respectively through the bearing and rotate and be connected, two articulated seats of the equal symmetry fixedly connected with in both sides of riser, all rotate in articulated seat and be connected with the commentaries on classics round pin, the outside of commentaries on classics round pin all overlaps and is equipped with the bandage, the one end that the commentaries on classics round pin was kept away from to the bandage all is equipped with two locating holes, the both sides.

As preferred, tightening mechanism includes cable, movable pulley, fixed pulley, slider, screw hole, center pin, spacing clamp and runner, two the fixed pulley is installed respectively and is kept away from the one end of riser at two extension poles, the middle part of slider is equipped with the screw hole, the slider passes through screw hole and threaded rod threaded connection, the movable pulley is installed to one side that the riser was kept away from to the slider, movable pulley and fixed pulley all include center pin, spacing clamp and runner, center pin and extension pole, slider fixed connection, the outside of center pin is rotated the cover and is equipped with the runner, the outside cover of runner is equipped with the spacing clamp, the both ends fixed connection of spacing clamp is at the center pin outer wall, be connected with the cable between movable pulley and two fixed pulleys.

Preferably, the locking mechanism comprises a hollow disc, a positioning seat, a hand wheel, a rotating rod, a universal joint, an operating rod, a fixing plate, a movable rod, a spring, a limiting plate, a lug, a rotating shaft and a ratchet wheel, the hollow disc is fixedly connected to the bottom end of a vertical plate, the positioning seat is fixed on the lower side edge of the hollow disc through screws, the rotating rod is sleeved in the positioning seat, the hand wheel is fixedly connected to one end of the rotating rod, the ratchet wheel is arranged in the hollow disc, the rotating shaft is fixedly sleeved in the ratchet wheel, two ends of the rotating shaft are respectively and rotatably connected with the upper side wall and the lower side wall of the hollow disc through bearings, the top end of the rotating shaft is fixedly connected with the bottom end of a threaded rod, the bottom end of the rotating shaft is connected with the rotating rod through the universal joint, the fixing plate is fixedly connected to the edge, the bottom of movable rod passes the upside lateral wall of hollow dish and extends to the inside and the fixedly connected with limiting plate of hollow dish, the lower extreme fixedly connected with lug of limiting plate, the outside at the movable rod is established to the spring housing.

Preferably, the curls of the binding band are welded on the outer side of the rotating pin, and the outer surface of the binding band is sprayed with an epoxy polyester anticorrosion coating.

Preferably, the cable is arranged in a V shape, and the sliding block is connected with the vertical plate in a sliding mode.

Preferably, one side of the projection is provided with an inclined surface, and the bottom end of the projection is inserted between the ratchet-shaped protrusions of the ratchet wheel.

Preferably, the hollow disc is provided with a through groove corresponding to the moving range of the movable rod, and the spring is arranged between the limiting plate and the inner wall of the upper side of the hollow disc.

The invention has the following beneficial effects: this electric power construction take-up device, the tight line frame hoop cover is at electric power laying pole outer wall, adjust the tight line degree by straining mechanism, realize the locking effect by locking mechanism, rational in infrastructure, the operation is simple and easy, electric power laying engineering's effective going on has greatly been assisted, compare with traditional construction take-up equipment, this electric power construction take-up device not only has the tight line effect, and under the unblock state, can also carry out the loose line operation gradually, thereby avoid the cable that the sudden pine of cable takes off the problem that causes to take out or stretch out the broken problem, need not to establish the facility of acting as go-between additional, can guarantee to remove the effective going on of line construction engineering, and because the pulling force direction of cable is unanimous with the moving direction of slider, and the slider is driven by the threaded rod, make pulling force mainly act on the external screw thread of threaded rod, it is perpendicular with the atress direction that rotates the.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a cross-sectional view of a hollow disc according to the present invention;

FIG. 4 is a schematic view of the construction of the movable bar of the present invention;

fig. 5 is a schematic structural view of the movable sheave of the present invention.

In the figure: 1. a wire tightening frame; 11. a vertical plate; 12. blocking and supporting; 13. a hinged seat; 14. rotating the pin; 15. binding bands; 16. positioning holes; 17. a spreader bar; 18. a threaded rod; 2. a wire tightening mechanism; 21. a cable; 22. a movable pulley; 23. a fixed pulley; 24. a slider; 25. a threaded hole; 26. a central shaft; 27. a limiting clamp; 28. a rotating wheel; 3. a locking mechanism; 31. a hollow disc; 32. positioning seats; 33. a hand wheel; 34. a rotating rod; 35. a universal joint; 36. an operating lever; 37. a fixing plate; 38. a movable rod; 39. a spring; 310. a limiting plate; 311. a bump; 312. a rotating shaft; 313. and (4) ratchet wheels.

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.

Example (b): as shown in fig. 1-5, the electric power construction tightening device of the present invention includes a tightening frame 1, a tightening mechanism 2 and a locking mechanism 3, wherein the tightening mechanism 2 is installed on one side of the tightening frame 1, and the locking mechanism 3 is installed on the lower end of the tightening frame 1.

Wherein, the stringing frame 1 includes riser 11, keep off and prop 12, articulated seat 13, change round pin 14, bandage 15, the locating hole 16, extension pole 17 and threaded rod 18, the equal fixedly connected with in upper and lower both ends of riser 11 one side keeps off and props 12, two keep off and prop and be equipped with threaded rod 18 between 12, the both ends of threaded rod 18 all prop 12 rotation with two fender respectively through the bearing and be connected, two articulated seats 13 of the equal symmetry fixedly connected with in both sides of riser 11, it is connected with commentaries on classics round pin 14 all to rotate in articulated seat 13, the outside of changeing round pin 14 all overlaps and is equipped with bandage 15, bandage 15 keeps away from the one end of changeing round pin 14 and all is equipped with two locating holes 16, riser 11's both sides just are located equal fixedly.

Wherein, wire grip 2 includes cable 21, movable pulley 22, fixed pulley 23, slider 24, screw hole 25, center pin 26, stop clip 27 and runner 28, two fixed pulleys 23 are installed respectively and are kept away from the one end of riser 11 at two extension poles 17, slider 24's middle part is equipped with screw hole 25, slider 24 passes through

screw hole

25 and 18 threaded connection of threaded rod, slider 24 is kept away from one side of riser 11 and is installed movable pulley 22, movable pulley 22 and fixed pulley 23 all include center pin 26, stop clip 27 and runner 28, center pin 26 and

extension pole

17, 24 fixed connection of slider, the cover is equipped with runner 28 in the outside of center pin 26, runner 28's outside cover is equipped with stop clip 27, stop clip 27's both ends fixed connection is at the 26 outer walls of center pin, be connected with cable 21 between movable pulley 22 and two fixed pulleys 23.

Wherein, the locking mechanism 3 comprises a hollow disc 31, a positioning seat 32, a hand wheel 33, a rotating rod 34, a universal joint 35, an operating rod 36, a fixed plate 37, a movable rod 38, a spring 39, a limiting plate 310, a convex block 311, a rotating shaft 312 and a ratchet wheel 313, the hollow disc 31 is fixedly connected with the bottom end of a vertical plate 11, the positioning seat 32 is fixed on the lower side edge screw of the hollow disc 31, the rotating rod 34 is rotatably sleeved in the positioning seat 32, one end of the rotating rod 34 is fixedly connected with the hand wheel 33, the ratchet wheel 313 is arranged in the hollow disc 31, the rotating shaft 312 is fixedly sleeved in the ratchet wheel 313, two ends of the rotating shaft 312 are respectively and rotatably connected with the upper and lower side walls of the hollow disc 31 through bearings, the top end of the rotating shaft 312 is fixedly connected with the bottom end of the threaded rod 18, the bottom end of the rotating shaft 312 is connected with the rotating, one end of the operating rod 36 is rotatably connected with a movable rod 38, the bottom end of the movable rod 38 penetrates through the upper side wall of the hollow disc 31 and extends to the inside of the hollow disc 31, a limiting plate 310 is fixedly connected with the upper side wall of the hollow disc 31, a bump 311 is fixedly connected with the lower end of the limiting plate 310, and a spring 39 is sleeved on the outer side of the movable rod 38.

Wherein, the curly welding of bandage 15 is in the outside of rotating pin 14, and the surface of bandage 15 is sprayed epoxy polyester anticorrosion coating.

Wherein, the cable 21 is arranged in a V shape, and the slide block 24 is connected with the vertical plate 11 in a sliding way.

Wherein, one side of the convex block 311 is provided with an inclined surface, and the bottom end of the convex block 311 is inserted between the ratchet-shaped protrusions of the ratchet wheel 313.

The hollow disc 31 is provided with a through groove corresponding to the moving range of the movable rod 38, and the spring 39 is arranged between the limiting plate 310 and the inner wall of the upper side of the hollow disc 31.

Specifically, when the invention is used, the tightening frame 1 is sleeved on the outer wall of the electric power laying pole, the tightening degree is adjusted by the tightening mechanism 2, the locking action is realized by the locking mechanism 3, so that the danger of wire disconnection is avoided, when the invention is used, the binding band 15 is sleeved on the outer side of the telegraph pole, the adjacent binding band 15 can be connected by the bolt and the nut, the tightening nut and the bolt can adjust the range of the sleeve of the binding band 15, so that the binding band 15 tightly presses the outer wall of the telegraph pole, the friction force is increased, the tightening frame 1 is prevented from falling off, the installation is convenient, then, as shown in figure 1, the cable 21 is arranged in a V shape, at the moment, the hand wheel 33 is rotated, the rotating rod 34, the universal joint 35 and the rotating shaft 312 are used for driving the sliding block 24 to slide along the outer wall of the vertical plate 11, so that the height of the movable pulley 22 is adjusted, the cable 21, the spine-shaped protrusion of the ratchet 313 extrudes the bevel edge of the protrusion 311, the protrusion 311 moves upwards under the action of the pushing force until the next spine-shaped protrusion passes through the lower side of the protrusion 311, the protrusion 311 is inserted into the gap between the spine-shaped protrusions again under the action of the spring 39 to play a role in locking again, when the cable 21 is released, the operating rod 36 needs to be pressed downwards, so that one end of the operating rod 36 tilts and pulls the movable rod 38 to move upwards, the spring 39 compresses, the protrusion 311 is pulled out from between the spine-shaped protrusions, the ratchet 313 is in an unlocked state at the moment, the hand wheel 33 is rotated reversely, the cable 21 can be released gradually, and as the pulling direction of the cable 21 is consistent with the moving direction of the slider 24, and the slider 24 is driven by the threaded rod 18, the pulling force mainly acts on the external thread of the threaded rod 18 and is perpendicular to the force direction of the rotating tightening structure, so.

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. A power construction wire tightening device comprises a wire tightening frame (1), a wire tightening mechanism (2) and a locking mechanism (3), and is characterized in that the wire tightening mechanism (2) is installed on one side of the wire tightening frame (1), the locking mechanism (3) is installed at the lower end of the wire tightening frame (1),

the wire tightening frame (1) comprises a vertical plate (11), a retaining support (12), a hinged seat (13), a rotating pin (14), a binding band (15), a positioning hole (16), an extension rod (17) and a threaded rod (18), the upper end and the lower end of one side of the vertical plate (11) are both fixedly connected with retaining supports (12), a threaded rod (18) is arranged between the two retaining supports (12), two ends of the threaded rod (18) are respectively and rotatably connected with the two blocking supports (12) through bearings, two sides of the vertical plate (11) are symmetrically and fixedly connected with two hinged seats (13), the hinged seats (13) are all rotatably connected with rotating pins (14), the outer sides of the rotating pins (14) are all sleeved with binding bands (15), two positioning holes (16) are arranged at one end of the binding band (15) far away from the rotating pin (14), extension rods (17) are fixedly connected to the two sides of the vertical plate (11) and between the two hinged seats (13);

the wire tightening mechanism (2) comprises a cable (21), a movable pulley (22), a fixed pulley (23), a slider (24), a threaded hole (25), a central shaft (26), a limiting clamp (27) and a rotating wheel (28), wherein the two fixed pulleys (23) are respectively installed at one end of each of two extending rods (17) far away from a vertical plate (11), the threaded hole (25) is formed in the middle of the slider (24), the slider (24) is in threaded connection with the threaded rod (18) through the threaded hole (25), the movable pulley (22) is installed on one side, far away from the vertical plate (11), of the slider (24), the movable pulley (22) and the fixed pulley (23) respectively comprise the central shaft (26), the limiting clamp (27) and the rotating wheel (28), the central shaft (26) is fixedly connected with the extending rods (17) and the slider (24), and the rotating wheel (28) is sleeved on the outer side of the central, a limiting clamp (27) is sleeved on the outer side of the rotating wheel (28), two ends of the limiting clamp (27) are fixedly connected to the outer wall of the central shaft (26), and a cable (21) is connected between the movable pulley (22) and the two fixed pulleys (23);

locking mechanism (3) are including hollow dish (31), positioning seat (32), hand wheel (33), bull stick (34), universal joint (35), action bars (36), fixed plate (37), movable rod (38), spring (39), limiting plate (310), lug (311), pivot (312) and ratchet (313), hollow dish (31) fixed connection is in the bottom of riser (11), the lower side edge screw fixation of hollow dish (31) has positioning seat (32), positioning seat (32) internal rotation cover is equipped with bull stick (34), the one end fixedly connected with hand wheel (33) of bull stick (34), be equipped with ratchet (313) in hollow dish (31), ratchet (313) internal fixation cover is equipped with pivot (312), the both ends of pivot (312) all rotate with the upper and lower lateral wall of hollow dish (31) respectively through the bearing and are connected, the top of pivot (312) is connected with the bottom fixed of threaded rod (18), the bottom of pivot (312) is passed through universal joint (35) and is connected with bull stick (34), upside outer wall edge fixedly connected with fixed plate (37) of hollow dish (31), it is connected with action bars (36) to rotate on fixed plate (37), the one end of action bars (36) is rotated and is connected with movable rod (38), the upside lateral wall that hollow dish (31) was passed to the bottom of movable rod (38) extends to the inside and the fixedly connected with limiting plate (310) of hollow dish (31), the lower extreme fixedly connected with lug (311) of limiting plate (310), the outside at movable rod (38) is established in spring (39) cover.

2. An electric power construction stringing device according to claim 1, characterized in that the crimping of the binding band (15) is welded to the outside of the rotating pin (14), and the outer surface of the binding band (15) is coated with an epoxy polyester corrosion protection coating.

3. The electric power construction stringing device according to claim 1, wherein the cable (21) is arranged in a V shape, and the sliding block (24) is connected with the vertical plate (11) in a sliding manner.

4. The electric power construction stringing device as claimed in claim 1, wherein one side of the projection (311) is provided with an inclined surface, and the bottom end of the projection (311) is inserted between the ratchet-shaped protrusions of the ratchet wheel (313).

5. The electric power construction stringing device as claimed in claim 1, wherein the hollow disc (31) is slotted in correspondence to the movement range of the movable rod (38), and the spring (39) is arranged between the limiting plate (310) and the inner wall of the upper side of the hollow disc (31).