CN111952886A - 10kV overhead line tight wiring device - Google Patents
10kV overhead line tight wiring device Download PDFInfo
- Publication number
- CN111952886A CN111952886A CN202010708606.6A CN202010708606A CN111952886A CN 111952886 A CN111952886 A CN 111952886A CN 202010708606 A CN202010708606 A CN 202010708606A CN 111952886 A CN111952886 A CN 111952886A
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- rope
- fixed wall
- drum
- rod
- overhead line
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
Abstract
The invention discloses a 10kV overhead line stringing device, which comprises two fixed wall plates which are oppositely connected, a left stringing drum and a right stringing drum which are respectively and rotatably connected between the two fixed wall plates, a transmission mechanism arranged on the outer side of the fixed wall plates, an operating rod for driving the transmission mechanism to act, and a stop ratchet wheel assembly arranged on the fixed wall plates; a left tensioning rope is wound on the left tensioning rope winding drum, and a right tensioning rope is wound on the right tensioning rope winding drum; the tensioning rope heads of the left tensioning rope and the right tensioning rope are respectively connected with the wire clamping pliers component through rope sleeves. The invention can synchronously tighten the wires at both sides of the electric pole and can respectively tighten the wires at one side, thereby improving the efficiency of live wire tightening and reducing the safety risk of operation; the device is used for live-line stringing operation, the power supply reliability of the power distribution network is improved, meanwhile, the operation process of changing the straight line into strain live-line operation is effectively simplified, and the safety of stringing operation is improved.
Description
Technical Field
The invention relates to a 10kV overhead line tightening device, and belongs to the technical field of distribution line maintenance.
Background
Tighteners, also known as ratchet tighteners, are used to tighten wires in overhead line laying operations. When the wire grip is used, the steel wire rope or the galvanized iron wire on the wire grip is firstly loosened and fixed on the cross arm, the wire is clamped by the wire grip, and then the special wrench is pulled. Due to the anti-reversion function of the pawl, the steel wire rope or the galvanized iron wire is gradually wound on the ratchet wheel roller, so that the wire is tightened. And fixing the tightened lead on the insulator. Then the pawl is firstly loosened to loosen the steel wire rope or the galvanized iron wire, then the wire clamp is loosened, and finally the steel wire rope or the galvanized iron wire is wound on the roller of the ratchet wheel.
At present, the electrified stringing tool widely applied to the operation of changing the strain insulator into a 10kV overhead line is an insulated belt type tightener or a steel wire rope tightener, and the field operation mode has the following defects: two insulating bucket arm vehicles are respectively placed on two sides of a linear rod to be changed into strain, and an operator performs the matching operation of tightening and breaking a lead on a working bucket by using a group of wire tightening tools. The operation mode not only has complex and fussy working procedures, but also is easy to generate potential safety hazards if the personnel on the two working buckets are not properly matched.
Therefore, how to reduce the experimental cost of the lightning arrester and avoid the problem that the misjudgment of the state of the lightning arrester caused by overlarge test error of the leakage current is in urgent need of solution.
Disclosure of Invention
The invention aims to provide a 10kV overhead line tightening device, which improves the efficiency of live line tightening and reduces the safety risk of operation.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a10 kV overhead line stringing device comprises two fixed wall plates which are oppositely connected, a left stringing drum and a right stringing drum which are respectively and rotatably connected between the two fixed wall plates, a transmission mechanism arranged on the outer side of the fixed wall plates, an operating rod for driving the transmission mechanism to act, and a stop ratchet wheel assembly arranged on the fixed wall plates;
a left tensioning rope is wound on the left tensioning rope winding drum, and a right tensioning rope is wound on the right tensioning rope winding drum;
the tensioning rope heads of the left tensioning rope and the right tensioning rope are respectively connected with the wire clamping pliers component through rope sleeves.
As a further improvement of the invention, the transmission mechanism comprises a left gear fixedly connected to the side end of the left rope-tightening drum and a right gear fixedly connected to the side end of the right rope-tightening drum;
the left gear and the right gear are positioned on the same side of the fixed wall plate;
the fixed wall plate is provided with a middle mounting shaft hole, a left lower mounting shaft hole and a right lower mounting shaft hole which are used for mounting the operating rod;
well installation shaft hole is located the intermediate position of left gear and right gear, installation shaft hole is located the lateral part of left gear down in a left side, installation shaft hole is located the lateral part of right gear down in the right side.
As a further improvement of the invention, the stop ratchet assembly comprises two stop ratchets respectively fixedly connected to the side end of the left rope-tightening drum and the side end of the right rope-tightening drum, and a toggle pawl assembly mounted on the fixed wall plate;
the toggle pawl assembly comprises a toggle rod, a pawl hinged at the lower end of the toggle rod and a duplex spring fixedly connected between the upper ends of the toggle rod;
the middle part of the driving lever is hinged on the fixed wall plate.
As a further development of the invention, two of the locking ratchets are respectively located between the outside of the fixed wall plate and the left rope-tightening drum and between the outside of the fixed wall plate and the right rope-tightening drum.
As a further improvement of the invention, the operating rod comprises a driving gear, a fixed connecting rod fixedly connected to the center of the driving gear, and a rotating rod vertically and fixedly connected with the fixed connecting rod;
when the central shaft of the driving gear is rotationally connected in the middle mounting shaft hole, the driving gear is in meshing transmission with the left gear and the right gear;
when the central shaft of the driving gear is rotationally connected in the left lower mounting shaft hole, the driving gear and the left gear are in meshing transmission;
when the central shaft of the driving gear is rotationally connected in the right lower mounting shaft hole, the driving gear is in meshing transmission with the right gear.
As a further improvement of the invention, the rope guide device further comprises a left rope guide roller which is rotatably connected between the two fixed wall plates and is positioned on the left side of the left rope tightening drum, and a right rope guide roller which is rotatably connected between the two fixed wall plates and is positioned on the right side of the right rope tightening drum.
As a further improvement of the invention, the middle part of the left rope guide roller is rotatably connected between the two fixed wall plates through a left rope guide roller connecting shaft;
the middle part of the right rope guide roller is rotatably connected between the two fixed wall plates through a right rope guide roller connecting shaft.
As a further improvement of the invention, the middle part of the lower end of the fixed wall plate is fixedly connected with an installation lug, and a dropping counterweight is fixedly or rotatably arranged on the installation lug.
As a further improvement of the invention, the wire clamp assembly comprises a wire clamp head, a connecting seat fixedly connected to the rear end of the wire clamp head, and a pulley rotatably connected in the connecting seat through a pulley shaft;
the rope sleeve is tied and sleeved outside the circumference of the pulley.
As a further improvement of the invention, the free end of the rotating rod is rotatably connected with a steering rod, and the steering rod is perpendicular to the rotating rod;
an insulating rubber sleeve is sleeved outside the rotating rod;
and anti-skid convex points are arranged on the outer side of the insulating rubber sleeve.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
the invention can synchronously tighten the wires at both sides of the electric pole and can respectively tighten the wires at one side, thereby improving the efficiency of live wire tightening and reducing the safety risk of operation; the device is used for live-line stringing operation, the power supply reliability of the power distribution network is improved, meanwhile, the operation process of changing the straight line into strain live-line operation is effectively simplified, and the safety of stringing operation is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic structural view of the two-way tightening of the operating lever of the present invention;
FIG. 3 is a schematic view of the single left-hand cinching cord of the present invention;
FIG. 4 is a schematic structural view of a single right hand tensioner of the present invention;
FIG. 5 is a schematic top view of the structure of FIG. 4;
FIG. 6 is a schematic structural diagram of an operating lever according to a second embodiment of the present invention;
FIG. 7 is a schematic structural view of a wire clamping vise assembly of the present invention;
FIG. 8 is a schematic view of the stop ratchet of the present invention.
Wherein:
1 fixed wall plate, 2 ratchet wheel connecting shafts, 3 shift levers, 4 duplex springs, 5 spring fixed end blocks, 6 left gears, 7 right gears, 8 left rope guide roller connecting shafts, 9 left tensioning ropes, 10 right tensioning ropes, 11 right rope guide roller connecting shafts, 12 middle mounting shaft holes, 13 left lower mounting shaft holes, 14 right lower mounting shaft holes, 15 mounting lugs, 16 dropping counterweights, 17 driving gears, 18 operating rods, 21 tensioning rope heads, 22 rope sleeves, 31 locking ratchet wheels, 32 pawls, 40 wire clamp assemblies, 41 connecting seats, 42 pulleys, 43 pulley shafts, 24 wire clamp heads, 61 left tensioning rope winding drums, 71 right tensioning rope winding drums, 81 left rope guide rollers, 111 right rope guide rollers, 181 fixed connecting rods, 182 rotating rods, 183 steering rods and 184 insulating rubber sleeves.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses. 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 application.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting.
Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Example one
As shown in figures 1-5 and 7-8,
a10 kV overhead line stringing device comprises two fixed wall plates 1 which are oppositely connected, a left stringing drum 61 and a right stringing drum 71 which are respectively and rotatably connected between the two fixed wall plates 1, a transmission mechanism arranged on the outer side of the fixed wall plates 1, an operating rod 18 for driving the transmission mechanism to act, and a stop ratchet wheel assembly arranged on the fixed wall plates 1;
a left tensioning rope 9 is wound on the left tensioning rope drum 61, and a right tensioning rope 10 is wound on the right tensioning rope drum 71;
the tensioning rope heads 21 of the left tensioning rope 9 and the right tensioning rope 10 are respectively connected with the wire clamping pliers assembly 40 through the rope sleeves 22.
In a further embodiment, the transmission mechanism comprises a left gear 6 fixedly connected to the side end of the left rope-tightening reel 61 and a right gear 7 fixedly connected to the side end of the right rope-tightening reel 71;
the left gear 6 and the right gear 7 are positioned on the same side of the fixed wall plate 1;
the fixed wall plate 1 is provided with a middle mounting shaft hole 12, a left lower mounting shaft hole 13 and a right lower mounting shaft hole 14 which are used for mounting an operating rod 18;
the middle mounting shaft hole 12 is located in the middle of the left gear 6 and the right gear 7, the lower left mounting shaft hole 13 is located on the side of the left gear 6, and the lower right mounting shaft hole 14 is located on the side of the right gear 7.
In a further embodiment, the stop ratchet assembly comprises two stop ratchets 31 fixedly connected to the side end of the left cord-tightening reel 61 and the side end of the right cord-tightening reel 71, respectively, and a toggle pawl assembly mounted on the fixed wall plate 1;
the toggle pawl assembly comprises a toggle rod 3, a pawl 32 hinged to the lower end of the toggle rod 3 and a duplex spring 4 fixedly connected between the upper ends of the toggle rod 3;
the middle part of the driving lever 3 is hinged on the fixed wall plate 1.
In a further embodiment, two of said stop ratchets 31 are located between the outside of the fixed wall plate 1 and the left cord reel 61 and between the outside of the fixed wall plate 1 and the right cord reel 71, respectively.
In a further embodiment, the operating rod 18 includes a driving gear 17, a fixed link 181 fixedly connected to the center of the driving gear 17, and a rotating rod 182 fixedly connected to the fixed link 181 perpendicularly;
as shown in fig. 2, when the central shaft of the driving gear 17 is rotatably connected in the middle mounting shaft hole 12, the driving gear 17 is in meshing transmission with the left gear 6 and the right gear 7, and at this time, the wire clamping pliers assemblies 40 at two ends are clamped with the distribution lines at two sides to perform bidirectional wire tightening;
as shown in fig. 3, when the central shaft of the driving gear 17 is rotatably connected in the lower left mounting shaft hole 13, the driving gear 17 and the left gear 6 are in meshing transmission, and at this time, the wire clamping caliper assembly 40 at the left end is clamped with the left distribution line to perform single left direction tightening;
as shown in fig. 4, when the central shaft of the driving gear 17 is rotatably connected in the lower right mounting shaft hole 14, the driving gear 17 is in meshing transmission with the right gear 7, and at this time, the wire clamping pliers assembly 40 at the right end clamps the right distribution line to perform single-right line tightening.
Further embodiments include a left cord guide 81 rotatably connected between the two fixed wall panels 1 and positioned to the left of the left cord reel 61, and a right cord guide 111 rotatably connected between the two fixed wall panels 1 and positioned to the right of the right cord reel 71.
In a further embodiment, the middle part of the left rope guide roller 81 is rotatably connected between the two fixed wall plates 1 through a left rope guide roller connecting shaft 8;
the middle part of the right rope guide roller 111 is rotatably connected between the two fixed wall plates 1 through a right rope guide roller connecting shaft 11.
In a further embodiment, a mounting lug 15 is fixedly connected to the middle of the lower end of the fixed wall plate 1, and a dropping weight 16 is fixedly or rotatably mounted on the mounting lug 15.
In a further embodiment, the wire clamping assembly 40 includes a wire clamping head 24, a connecting seat 41 fixedly connected to the rear end of the wire clamping head 24, and a pulley 42 rotatably connected to the inside of the connecting seat 41 by a pulley shaft 43;
the rope sling 22 is bolted on the outer circumference of the pulley 42.
The embodiment can synchronously tighten the wires on the two sides of the electric pole, and can also respectively tighten the wires on one side, so that the efficiency of live wire tightening is improved, and the safety risk of operation is reduced; the device is used for live-line stringing operation, the power supply reliability of the power distribution network is improved, meanwhile, the operation process of changing the straight line into strain live-line operation is effectively simplified, and the safety of stringing operation is improved.
Example two
As shown in figures 1-4 and 6-8,
in the first embodiment, during the tightening operation, the rotation track of the operating rod 18 is parallel to the direction of the distribution line, and the distribution line is touched by mistake during the rotation.
The present embodiment is further optimized to solve the above problem on the basis of the first embodiment, specifically, a turning rod 183 is rotatably connected to the free end of the turning rod 182, and the turning rod 183 is perpendicular to the turning rod 182;
an insulating rubber sleeve 184 is sleeved outside the rotating rod 182;
and antiskid salient points are arranged on the outer side of the insulating rubber sleeve 184.
The rotating track of the steering rod 183 and the trend of the distribution line are in the vertical direction, so that the problem of mistakenly touching the distribution line is effectively avoided; moreover, the insulating rubber sleeve 184 is sleeved outside the rotating rod 182, so that the insulating performance is good, and the safety of the electrified stringing is further improved.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a 10kV overhead line tight wiring device which characterized in that: the rope tightening device comprises two fixed wall plates (1) which are oppositely connected, a left rope tightening drum (61) and a right rope tightening drum (71) which are respectively and rotatably connected between the two fixed wall plates (1), a transmission mechanism arranged on the outer side of each fixed wall plate (1), an operating rod (18) for driving the transmission mechanism to act, and a stop ratchet wheel assembly arranged on each fixed wall plate (1);
a left tensioning rope (9) is wound on the left tensioning rope winding drum (61), and a right tensioning rope (10) is wound on the right tensioning rope winding drum (71);
the tensioning rope heads (21) of the left tensioning rope (9) and the right tensioning rope (10) are respectively connected with the wire clamp assembly (40) through rope sleeves (22).
2. The 10kV overhead line tensioner of claim 1, wherein: the transmission mechanism comprises left gears (6) fixedly connected to the side end of the left rope tightening drum (61) and right gears (7) fixedly connected to the side end of the right rope tightening drum (71);
the left gear (6) and the right gear (7) are positioned on the same side of the fixed wall plate (1);
the fixed wall plate (1) is provided with a middle mounting shaft hole (12), a left lower mounting shaft hole (13) and a right lower mounting shaft hole (14) which are used for mounting an operating rod (18);
well installation shaft hole (12) are located the intermediate position of left gear (6) and right gear (7), installation shaft hole (13) are located the lateral part of left gear (6) down in a left side, installation shaft hole (14) are located the lateral part of right gear (7) down in the right side.
3. The 10kV overhead line tensioner of claim 2, wherein: the locking ratchet wheel assembly comprises two locking ratchet wheels (31) which are respectively and fixedly connected to the side end of the left rope tightening drum (61) and the side end of the right rope tightening drum (71), and a toggle pawl assembly which is arranged on the fixed wall plate (1);
the toggle pawl component comprises a toggle rod (3), a pawl (32) hinged at the lower end of the toggle rod (3) and a duplex spring (4) fixedly connected between the upper ends of the toggle rod (3);
the middle part of the deflector rod (3) is hinged on the fixed wall plate (1).
4. The 10kV overhead line tensioner of claim 3, wherein: the two stop ratchet wheels (31) are respectively positioned between the outer side of the fixed wall plate (1) and the left rope tightening drum (61) and between the outer side of the fixed wall plate (1) and the right rope tightening drum (71).
5. The 10kV overhead line tensioner according to claim 4, wherein: the operating rod (18) comprises a driving gear (17), a fixed connecting rod (181) fixedly connected to the center of the driving gear (17), and a rotating rod (182) vertically and fixedly connected with the fixed connecting rod (181).
6. The 10kV overhead line tensioner of claim 5, wherein: the rope guide device is characterized by further comprising a left rope guide roller (81) which is rotatably connected between the two fixed wall plates (1) and is positioned on the left side of the left rope tightening drum (61), and a right rope guide roller (111) which is rotatably connected between the two fixed wall plates (1) and is positioned on the right side of the right rope tightening drum (71).
7. The 10kV overhead line tensioner of claim 6, wherein: the middle part of the left rope guide roller (81) is rotatably connected between the two fixed wall plates (1) through a left rope guide roller connecting shaft (8);
the middle part of the right rope guide roller (111) is rotatably connected between the two fixed wall plates (1) through a right rope guide roller connecting shaft (11).
8. The 10kV overhead line tensioner of claim 7, wherein: the lower end middle part fixedly connected with installation ear (15) of fixed wallboard (1), fixed or the rotation is installed on installation ear (15) and is weighed down (16).
9. The 10kV overhead line tensioner of claim 8, wherein: the wire clamping pliers assembly (40) comprises a wire clamping pliers head (24), a connecting seat (41) fixedly connected to the rear end of the wire clamping pliers head (24), and a pulley (42) rotatably connected to the inside of the connecting seat (41) through a pulley shaft (43);
the rope sleeve (22) is sleeved outside the circumference of the pulley (42).
10. The 10kV overhead line tensioner of claim 5, wherein: the free end of the rotating rod (182) is rotatably connected with a steering rod (183), and the steering rod (183) is perpendicular to the rotating rod (182);
an insulating rubber sleeve (184) is sleeved outside the rotating rod (182);
and anti-skid salient points are arranged on the outer side of the insulating rubber sleeve (184).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708606.6A CN111952886A (en) | 2020-07-22 | 2020-07-22 | 10kV overhead line tight wiring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010708606.6A CN111952886A (en) | 2020-07-22 | 2020-07-22 | 10kV overhead line tight wiring device |
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| CN111952886A true CN111952886A (en) | 2020-11-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010708606.6A Pending CN111952886A (en) | 2020-07-22 | 2020-07-22 | 10kV overhead line tight wiring device |
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| CN210326729U (en) * | 2019-10-06 | 2020-04-14 | 申绍志 | Stringing device for power line construction |
| CN210577415U (en) * | 2019-10-29 | 2020-05-19 | 兴化市万达电力工具有限公司 | Multifunctional dual-purpose wire tightener |
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Application publication date: 20201117 |
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