CN112600121A - Wire lifter for replacing pin insulator of large-span distribution wire - Google Patents
Wire lifter for replacing pin insulator of large-span distribution wire Download PDFInfo
- Publication number
- CN112600121A CN112600121A CN202011503894.8A CN202011503894A CN112600121A CN 112600121 A CN112600121 A CN 112600121A CN 202011503894 A CN202011503894 A CN 202011503894A CN 112600121 A CN112600121 A CN 112600121A
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- lever
- wire
- base
- supporting disc
- support column
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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
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Abstract
The invention provides a wire lifter for replacing a pin insulator of a large-span distribution wire, which is characterized in that: comprises a base, a first pillar, a wire supporting disc, a lifting power mechanism and a lever; the base is used for being fixed on the cross arm; the wire supporting disc is used for supporting the wire; the first support column is vertically arranged in the middle of the base; the middle part of the lever takes the top of the first support column as a fulcrum and is provided with the top of the first support column in a way of rotating up and down; one end of the lever is connected with the wire supporting disc, and the other end of the lever is connected with the top of the lifting power mechanism; the bottom of the lifting power mechanism is connected with the base; the lever takes the first support column as a fulcrum, and the wire supporting disc is lifted through the telescopic movement of the lifting power mechanism. The wire lifter does not need to be supported by manpower, relieves labor force, and can quickly and safely support a wire to realize quick replacement.
Description
Technical Field
The invention relates to the technical field of power grid electric auxiliary tools, in particular to a wire lifter for replacing a pin insulator of a large-span distribution wire.
Background
The large span of medium-voltage distribution lines in mountain areas exceeds 200 m, and porcelain bottles in the mountain areas are easily damaged by lightning. Because the complicated unable needle type vase of utilizing large-scale machinery of mountain area topography is supplementary to be changed, do not have corresponding instrument at present yet and effectively solve the difficult problem of needle type vase of changing big span circuit, like chinese patent publication no: CN210838685U, patent publication date: 2020-06-23, discloses a portable wire lifter, which comprises a fixed frame, a rotating lever, a hoisting tackle and a clamping head, wherein a first clamping groove which is provided with an upward opening and can clamp a cross beam in a cross arm of a power transmission line is arranged at the lower side of the fixed frame. The utility model has the advantages of reasonable and compact structure, think about ingeniously, simple manufacture, through first draw-in groove and second draw-in groove can fix rotatory lever at transmission line cross arm upside, together through mount and rotatory lever hinge, can make the upset about the rotatory lever upper end, in the upset in-process, the dop can be reliable fixed rotatory lever all the time, through setting up the jack-up coaster, rope one end is passed the jack-up coaster and is fixed on the target wire, the pulling force is applyed by the operating personnel on ground to the other end, the wire that will be located the crossbeam downside of transmission line cross arm is pulled to the top, increase the looks interval of looks phase-to-phase. However, the wire lifter is not suitable for replacing needle type porcelain bottles of large-span lines.
Therefore, the needle-type porcelain bottle can be replaced only by two persons exerting force to lift the conducting wire at the same time. This method can only be used when the wire is loose and the span is within 150 meters. The part can be implemented beyond manpower, and only gap arresters can be additionally installed, so that the cost is increased. However, the manual wire lifting has safety problems of wire slipping, hurting people and the like, and when the span on two sides exceeds 200 meters, the manual wire lifting cannot be realized, and the needle type porcelain bottle cannot be replaced.
Disclosure of Invention
The invention aims to overcome the safety problems of conductor slipping, hurting people and the like caused by manually supporting a conductor in the prior art, and provides a conductor lifter for replacing a large-span distribution line pin insulator, which does not need to be manually supported, relieves labor force, and can quickly and safely support the conductor to realize quick replacement.
In order to solve the technical problems, the technical scheme of the invention is as follows: a wire lifter for replacing a pin insulator of a large-span distribution wire comprises a base, a first support, a wire supporting disc, a lifting power mechanism and a lever;
the base is used for being fixed on the cross arm; the wire supporting disc is used for supporting the wire;
the first support column is vertically arranged in the middle of the base;
the middle part of the lever takes the top of the first support column as a fulcrum and is provided with the top of the first support column in a way of rotating up and down;
one end of the lever is connected with the wire supporting disc, and the other end of the lever is connected with the top of the lifting power mechanism;
the bottom of the lifting power mechanism is connected with the base;
the lever takes the first support column as a fulcrum, and the wire supporting disc is lifted through the telescopic movement of the lifting power mechanism.
The working principle of the invention is as follows: when using, will through the base the thread puller fix on the cross arm, utilize lever principle, through lifting power unit with the other end of lever down pressing, realize lifting the one end that the lever has the supporting wire dish, realize lifting the wire, need not to adopt the manpower to lift, the effectual wire slippage of avoiding having, injure people's scheduling safety problem, lift the wire after, make things convenient for the staff to change the needle type vase of big span circuit, the liberation labour provides work efficiency.
Preferably, the lifting power mechanism comprises a second support column and a nut;
the second support is provided with threads; the other end of the lever is provided with a first sleeve, and the other end of the lever is rotatably connected with the first sleeve;
the tail end of the second support column penetrates through a first sleeve of the lever and is in threaded connection with the nut;
the lever provided with the end of the first sleeve slides downwards by rotating the nut to move towards the bottom of the second support, and the end with the wire supporting disc is tilted to support the wire.
Furthermore, a first connecting plate and a first rotating shaft are arranged on the first sleeve; the first connecting plate is provided with a first through hole, and the other end of the lever is provided with a second through hole; the first rotating shaft penetrates through the first through hole in the first connecting plate and the second through hole in the other end of the lever, and the other end of the lever is rotatably connected with the first sleeve.
Still further, the side of nut be equipped with the handle, realize rotating the nut through rotating the handle.
Still further, the handle is provided with an insulating layer.
Furthermore, the base adopts a channel steel structure, and third through holes are formed in two side faces of two ends of the base; the bottom end of the second support column is rotatably connected with one end of the base.
Still further, the wire supporting disc is arranged into a U-shaped structure and used for supporting and lifting the wires.
Furthermore, a U-shaped groove is formed in the top of the first support; the middle part of the lever is provided with a second rotating shaft which is matched and rotatably connected with the U-shaped groove; the first support is rotatably connected with the lever through the U-shaped groove and the second rotating shaft.
Still further, the lever comprises a first lever and a second lever; one end of the first lever and one end of the second lever are respectively connected with the wire supporting disc; the other end of the first lever and the other end of the second lever are rotatably connected with the first sleeve; the first lever and the second lever are respectively connected with two ends of the second rotating shaft; the first lever, the second lever and the second rotating shaft form a tripod structure.
And furthermore, an insulating layer is arranged on the inner wall of the U-shaped structure of the wire supporting disc.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
the wire lifter is fixed on the cross arm through the base, the other end of the lever is pressed downwards through the lifting power mechanism by utilizing the lever principle, the end, provided with the wire supporting disc, of the lever is lifted, the wire is lifted, manual lifting is not needed, safety problems of wire slipping, injury to people and the like are effectively avoided, after the wire is lifted, workers can replace needle type porcelain bottles of large-span lines conveniently, labor force is relieved, and working efficiency is improved.
Drawings
Fig. 1 is an exploded view of the wire lifter provided in this embodiment.
In the figure, 1-wire supporting disc, 2-first support, 3-second support, 4-base, 5-nut, 6-handle, 7-first sleeve, 8-first connecting plate, 9-first lever, 10-second lever, 11-second rotating shaft, 12-U-shaped groove and 13-third through hole.
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 are used for illustration only, and should not be construed as limiting the patent. 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.
The technical solution of the present invention is further described below with reference to the accompanying drawings and examples.
Example 1
As shown in fig. 1, the wire lifter for replacing the pin insulator of the large-span distribution wire comprises a base 4, a first support 2, a wire supporting disc 1, a lifting power mechanism and a lever;
the base 4 is used for being fixed on the cross arm; the wire supporting disc 1 is used for supporting a wire;
the first support column 2 is vertically arranged in the middle of the base 4;
the middle part of the lever takes the top of the first support column 2 as a fulcrum and is provided with the top of the first support column 2 in a way of rotating up and down;
one end of the lever is connected with the wire supporting disc 1, and the other end of the lever is connected with the top of the lifting power mechanism;
the bottom of the lifting power mechanism is connected with the base 4;
the lever takes the first support column 2 as a fulcrum, and the wire supporting disc 1 is supported through the telescopic movement of the lifting power mechanism.
The working principle of the embodiment is as follows: when using, will through base 4 the thread puller fix on the cross arm, utilize lever principle, through lifting power unit with the other end of lever down pressing, realize lifting the one end that the lever has supporting wire coil 1, realize lifting the wire, need not to adopt the manpower to lift, the effectual wire slippage that avoids having, injures people's safety problem such as safety problem, after lifting the wire, make things convenient for the staff to change the needle type vase of big span circuit, the liberation labour provides work efficiency.
In a specific embodiment, the lifting power mechanism comprises a second support column 3 and a nut 5;
the second support 3 is provided with threads; the other end of the lever is provided with a first sleeve 7, and the other end of the lever is rotatably connected with the first sleeve 7;
the tail end of the second support column 3 passes through a first sleeve 7 of the lever and is in threaded connection with the nut 5;
the bottom of the second support column 3 is moved downwards by rotating the nut 5, so that the lever provided with one end of the first sleeve 7 slides downwards, and the end with the wire supporting disc 1 is tilted to support a wire. This embodiment just lifts the wire through lifting power unit only need the operation alone, and safe laborsaving, lift the wire after alright quick realization change the needle type vase of big span circuit.
In a specific embodiment, the first sleeve 7 is provided with a first connecting plate 8 and a first rotating shaft; the first connecting plate 8 is provided with a first through hole, and the other end of the lever is provided with a second through hole; the first rotating shaft penetrates through a first through hole in the first connecting plate 8 and a second through hole in the other end of the lever, and the other end of the lever is rotatably connected with the first sleeve 7. In order to prevent the lever from interfering with the nut 5 when the other end of the lever is pressed downwards, the first connecting plate 8 is arranged on the first sleeve 7, so that the problem of interference between the lever and the nut 5 is effectively avoided.
In a specific embodiment, the side of the nut 5 is provided with a handle 6, and the nut 5 is rotated by rotating the handle 6. This embodiment can rotate nut 5 through pliers, but in order to solve and carry the hidden danger inconvenient in high altitude construction, the pliers drops easily simultaneously. In this embodiment, a handle 6 is welded to the side surface of the nut 5.
In a specific embodiment, in order to avoid electric shock, the handle 6 is provided with an insulating layer, so that the personal safety of workers is effectively guaranteed.
In a specific embodiment, the base 4 is of a channel steel structure, the channel steel structure is of a U-shaped structure, and third through holes 13 are formed in two side surfaces of two ends of the base 4; and a screw rod penetrates through the third through hole 13 to fix the base 4 on the cross arm, so that the thread lifter is prevented from falling off. The bottom end of the second pillar 3 is rotatably connected with one end of the base.
In a specific embodiment, the wire supporting disc 1 is set to be in a U-shaped structure and used for supporting wires, and the U-shaped structure can ensure that the wire supporting disc 1 can safely support the wires and effectively avoid the hidden danger that the wires fall off.
In a specific embodiment, the top of the first support column 2 is provided with a U-shaped groove 12; the middle part of the lever is provided with a second rotating shaft 11 which is matched and rotatably connected with the U-shaped groove; the first support column 2 is rotatably connected with the lever through a U-shaped groove 12 and a second rotating shaft 11. This embodiment can be changed U type groove into the sleeve, second pivot 11 wear to establish in the sleeve, free rotation.
In a specific embodiment, the levers comprise a first lever 9, a second lever 10; one end of the first lever 9 and one end of the second lever 10 are respectively connected with the wire supporting disc 1; the other end of the first lever 9 and the other end of the second lever 10 are rotatably connected with the first sleeve 7; the first lever 9 and the second lever 10 are respectively connected with two ends of a second rotating shaft 11; the first lever 9, the second lever 10 and the second rotating shaft 11 form a tripod structure. The arrangement of the lever structure can effectively ensure the balance of the wire in the lifting process.
In a specific embodiment, the inner wall of the U-shaped structure of the wire supporting disc 1 is provided with an insulating layer, so that electric shock is effectively avoided.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a rise line ware for changing big span distribution lines pin insulator which characterized in that: comprises a base, a first pillar, a wire supporting disc, a lifting power mechanism and a lever;
the base is used for being fixed on the cross arm; the wire supporting disc is used for supporting the wire;
the first support column is vertically arranged in the middle of the base;
the middle part of the lever takes the top of the first support column as a fulcrum and is provided with the top of the first support column in a way of rotating up and down;
one end of the lever is connected with the wire supporting disc, and the other end of the lever is connected with the top of the lifting power mechanism;
the bottom of the lifting power mechanism is connected with the base;
the lever takes the first support column as a fulcrum, and the wire supporting disc is lifted through the telescopic movement of the lifting power mechanism.
2. The jumper for replacing pin insulators of large-span distribution lines of claim 1, wherein: the lifting power mechanism comprises a second support and a nut;
the second support is provided with threads; the other end of the lever is provided with a first sleeve, and the other end of the lever is rotatably connected with the first sleeve;
the tail end of the second support column penetrates through a first sleeve of the lever and is in threaded connection with the nut;
the lever provided with the end of the first sleeve slides downwards by rotating the nut to move towards the bottom of the second support, and the end with the wire supporting disc is tilted to support the wire.
3. The jumper for replacing pin insulators of large-span distribution lines of claim 2, wherein: the first sleeve is provided with a first connecting plate and a first rotating shaft; the first connecting plate is provided with a first through hole, and the other end of the lever is provided with a second through hole; the first rotating shaft penetrates through the first through hole in the first connecting plate and the second through hole in the other end of the lever, and the other end of the lever is rotatably connected with the first sleeve.
4. The jumper for replacing pin insulators of large-span distribution lines of claim 3, wherein: the side of the nut is provided with a handle, and the nut is rotated by rotating the handle.
5. The jumper for replacing pin insulators of large-span distribution lines of claim 4, wherein: the handle is provided with an insulating layer.
6. The jumper for replacing pin insulators of large-span distribution lines of claim 5, wherein: the base adopts a channel steel structure, and third through holes are formed in two side faces of two ends of the base; the bottom end of the second support column is rotatably connected with one end of the base.
7. The jumper for replacing pin insulators of high-span distribution lines of claim 6, wherein: the wire supporting disc is arranged into a U-shaped structure and used for supporting and lifting the wires.
8. The jumper for replacing pin insulators of large-span distribution lines of claim 7, wherein: the top of the first support is provided with a U-shaped groove; the middle part of the lever is provided with a second rotating shaft which is matched and rotatably connected with the U-shaped groove; the first support is rotatably connected with the lever through the U-shaped groove and the second rotating shaft.
9. The jumper for replacing pin insulators of large-span distribution lines of claim 8, wherein: the lever comprises a first lever and a second lever; one end of the first lever and one end of the second lever are respectively connected with the wire supporting disc; the other end of the first lever and the other end of the second lever are rotatably connected with the first sleeve; the first lever and the second lever are respectively connected with two ends of the second rotating shaft; the first lever, the second lever and the second rotating shaft form a tripod structure.
10. The jumper for replacing pin insulators of large-span distribution lines of claim 9, wherein: and an insulating layer is arranged on the inner wall of the U-shaped structure of the wire supporting disc.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011503894.8A CN112600121A (en) | 2020-12-17 | 2020-12-17 | Wire lifter for replacing pin insulator of large-span distribution wire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202011503894.8A CN112600121A (en) | 2020-12-17 | 2020-12-17 | Wire lifter for replacing pin insulator of large-span distribution wire |
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CN112600121A true CN112600121A (en) | 2021-04-02 |
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CN202011503894.8A Pending CN112600121A (en) | 2020-12-17 | 2020-12-17 | Wire lifter for replacing pin insulator of large-span distribution wire |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113745923A (en) * | 2021-08-25 | 2021-12-03 | 深圳市速联技术有限公司 | High-precision tool process for preventing backward compression joint and preventing fool through bidirectional positioning |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202444201U (en) * | 2012-01-10 | 2012-09-19 | 义乌市供电局 | Conducting wire lifting device |
CN103928865A (en) * | 2014-04-10 | 2014-07-16 | 国家电网公司 | Manual wire lifting device for stringing construction |
CN104319685A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Large wire diameter lead wire hanging device for 10 kV electric power circuit |
CN105084270A (en) * | 2015-08-03 | 2015-11-25 | 重庆港乾机械有限公司 | Rotation pressing type lifting device |
CN105479371A (en) * | 2015-12-31 | 2016-04-13 | 重庆明高机械制造有限公司 | Locating block height adjusting mechanism of rear shock absorber sealing tool |
-
2020
- 2020-12-17 CN CN202011503894.8A patent/CN112600121A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN202444201U (en) * | 2012-01-10 | 2012-09-19 | 义乌市供电局 | Conducting wire lifting device |
CN103928865A (en) * | 2014-04-10 | 2014-07-16 | 国家电网公司 | Manual wire lifting device for stringing construction |
CN104319685A (en) * | 2014-10-29 | 2015-01-28 | 国家电网公司 | Large wire diameter lead wire hanging device for 10 kV electric power circuit |
CN105084270A (en) * | 2015-08-03 | 2015-11-25 | 重庆港乾机械有限公司 | Rotation pressing type lifting device |
CN105479371A (en) * | 2015-12-31 | 2016-04-13 | 重庆明高机械制造有限公司 | Locating block height adjusting mechanism of rear shock absorber sealing tool |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113745923A (en) * | 2021-08-25 | 2021-12-03 | 深圳市速联技术有限公司 | High-precision tool process for preventing backward compression joint and preventing fool through bidirectional positioning |
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Application publication date: 20210402 |