CN110729666A - Top-loading type overhead ground wire mounting and paying-off device - Google Patents

Top-loading type overhead ground wire mounting and paying-off device Download PDF

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Publication number
CN110729666A
CN110729666A CN201911004686.0A CN201911004686A CN110729666A CN 110729666 A CN110729666 A CN 110729666A CN 201911004686 A CN201911004686 A CN 201911004686A CN 110729666 A CN110729666 A CN 110729666A
Authority
CN
China
Prior art keywords
ground wire
overhead ground
paying
base plate
mounting
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911004686.0A
Other languages
Chinese (zh)
Inventor
张森
吴峰
张烈然
王峰
潘文武
曾海腾
袁一文
闵杰
肖瑶
施忱
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Liaoning Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Liaoning Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201911004686.0A priority Critical patent/CN110729666A/en
Publication of CN110729666A publication Critical patent/CN110729666A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
    • H02G1/04Methods 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 mounting and paying-off device for a top-loading type overhead ground wire, which takes a base frame as an integral support, uses a bearing platform to bear force, carries out bearing of two guide wheels and carries out lifting mounting of the overhead ground wire through a dead weight lead screw; when the installation and pay-off device is used, the base frame is sleeved on the top end of an iron tower and then fixed, the overhead ground wire penetrates through the installation and pay-off device and is positioned above the two guide wheels, the two guide wheels are used for guiding and paying-off, after the paying-off is finished, the hoisting lead screw can be rotated to enable the overhead ground wire to move downwards relative to the base frame, and when the overhead ground wire on the hoisting lead screw is hooked by the traction hook, the hoisting lead screw is rotated reversely to further drive the overhead ground wire to be hoisted, so that the gravity center of the overhead ground wire leaves the guide wheels, the installation of the loading wire clamp is facilitated.

Description

Top-loading type overhead ground wire mounting and paying-off device
Technical Field
The invention relates to the technical field of overhead ground wire construction equipment, in particular to a top-loading type overhead ground wire mounting and paying-off device.
Background
When traditional power line overhead earth wire was under construction, because the mounted position is near hanging the point, consequently, the mode of hook is mostly adopted in unwrapping wire work, installs the unwrapping wire coaster on the iron tower promptly, utilizes the unwrapping wire coaster to make overhead earth wire pass through smoothly.
However, the upper-carrying overhead ground wire is installed at the topmost end of the iron tower, and if the traditional paying-off tackle mode is still adopted for paying off, the upper-carrying overhead ground wire needs to be improved by 500mm, but no higher position can be used, so that the upper-carrying overhead ground wire is difficult to install and pay off, and the installation efficiency is low.
Therefore, how to develop a mounting and paying-off device suitable for the upper-carrying type overhead ground wire so as to facilitate the mounting and paying-off of the upper-carrying type overhead ground wire becomes a problem to be solved urgently.
Disclosure of Invention
In view of the above, the invention discloses a mounting and paying-off device for a top-loading type overhead ground wire, which is used for at least solving the problems of difficult mounting and low mounting efficiency of the existing top-loading type overhead ground wire during mounting and paying-off.
The technical scheme provided by the invention is that the mounting and paying-off device for the upper-carrying type overhead ground wire comprises: the lifting device comprises a base frame 1, a bearing platform 2, a lifting screw rod 3 and two guide wheels 4;
the base frame 1 includes: a base plate 11 and four longitudinal legs 12;
the base plate 11 is provided with screw holes penetrating through the upper side and the lower side;
the four longitudinal support legs 12 are all positioned below the base plate 11, and the upper ends of the four longitudinal support legs 12 are respectively fixedly connected with the four corners of the base plate 11;
the bearing table 2 is positioned below the base plate 11 in the base frame 1, and four corners of the bearing table 2 are respectively fixedly connected with the adjacent longitudinal supporting legs 12;
one end of the hoisting screw rod 3 is positioned above the base plate 11 in the base frame 1, the other end of the hoisting screw rod is positioned between the base plate 11 and the bearing platform 2 after threads penetrate through screw holes in the base plate 11, and an overhead ground wire traction hook 31 is rotatably arranged at the end part of the hoisting screw rod 3 positioned between the base plate 11 and the bearing platform 2;
the two guide wheels 4 are installed on the bearing platform 2 at intervals, and the two guide wheels 4 are respectively positioned on two sides of an overhead ground wire traction hook 31 in the hoisting screw rod 3.
Preferably, each longitudinal leg 12 in the base frame 1 is provided with a fixing buckle 121, and each fixing buckle 121 is located below the bearing platform 2.
Further preferably, the number of the fixing buckles 121 on each longitudinal leg 12 is two, and the two fixing buckles 121 on each longitudinal leg 12 are respectively arranged along the length direction of the corresponding longitudinal leg 12 at intervals.
Further preferably, the bearing table 2 is arranged in parallel with the substrate 11 in the base frame 1.
More preferably, the number of the hoisting screws 3 is two;
the number of the screw holes on the base plate 11 is two, and the screw holes correspond to the hoisting screw rods 3 one by one.
Further preferably, a horizontal wrench 32 is vertically disposed at an end of the jack screw 3 above the base plate 11.
Preferably, each guide wheel 4 is a directional wheel and is fixedly connected with the bearing table 2 through a directional wheel bracket 41.
Further preferably, each guide wheel 4 is provided with a guide groove recessed downward in the circumferential direction.
Further preferably, the base frame 1 further includes: four cross beams 13;
the four cross beams 13 are respectively arranged between two adjacent longitudinal support legs 12, and two ends of each cross beam 13 are respectively fixedly connected with the bottom ends of the adjacent longitudinal support legs 12.
The invention provides a mounting and paying-off device for a top-loading type overhead ground wire, which uses a base frame as an integral support, uses a bearing platform to bear force, carries out bearing of two guide wheels, and carries out lifting mounting of the overhead ground wire through a self-weight lead screw; when the installation and pay-off device is used, the base frame is sleeved on the top end of an iron tower and then fixed, the overhead ground wire penetrates through the installation and pay-off device and is positioned above the two guide wheels, the two guide wheels are used for guiding and paying-off, after the paying-off is finished, the hoisting lead screw can be rotated to enable the overhead ground wire to move downwards relative to the base frame, and when the overhead ground wire on the hoisting lead screw is hooked by the traction hook, the hoisting lead screw is rotated reversely to further drive the overhead ground wire to be hoisted, so that the gravity center of the overhead ground wire leaves the guide wheels, the installation of the loading wire clamp is facilitated.
The mounting and paying-off device for the upper-carrying type overhead ground wire has the advantages of simple structure, reasonable design, convenience in use and the like.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a mounting and paying-off device for a top-loading type overhead ground wire according to an embodiment of the disclosure;
fig. 2 is a schematic view of construction by using a mounting and paying-off device for a top-loading type overhead ground wire according to the disclosed embodiment of the invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the appended claims.
The problems that in the prior art, when the pay-off tackle is used for mounting and constructing the top-loading overhead ground wire, the top-loading overhead ground wire needs to be improved by 500mm, but the top-loading overhead ground wire is difficult to mount and pay off and low in mounting efficiency when the top-loading overhead ground wire is constructed due to the fact that no higher position can be used are solved. This embodiment provides a carrying formula overhead earth wire is with installation pay-off, see fig. 1, this installation pay-off mainly comprises bed frame 1, force bearing platform 2, jack-up lead screw 3 and two leading wheels 4, wherein, bed frame 1 comprises base plate 11 and four vertical landing legs 12, base plate 11 is the roof of this bed frame 1, be provided with the screw that link up both sides from top to bottom on base plate 11, four vertical landing legs 12 all are located the below of base plate 11, and the upper end of four vertical landing legs 12 respectively with the four corners fixed connection of base plate 11, for the use of cooperation iron tower, can make this bed frame 1 whole be four prismatic table frames that are, go to the bottom greatly promptly, the upper base is little, in order to make things convenient for this bed frame 1 suit in the top outside of iron tower. Bearing platform 2 sets up the below of base plate 11 in bed frame 1, and the four corners of bearing platform 2 respectively with neighbouring vertical landing leg 12 fixed connection, jack-up lead screw 3 one end is located the top of base plate 11 in bed frame 1, behind the screw on base plate 11, be located between base plate 11 and bearing platform 2 to other end screw thread, and the tip that lies in between base plate 11 and the bearing platform 2 in the jack-up lead screw 3 rotates installs overhead earth wire towing hook 31, two leading wheels 4 interval are installed on bearing platform 2, and two leading wheels 4 are located the both sides of overhead earth wire towing hook 31 in jack-up lead screw 3 respectively.
In order to improve the firmness degree of the base frame 1 in the installation and pay-off device, as an improvement of the technical scheme, referring to fig. 1, four cross beams 13 are further arranged in the base frame 1, the four cross beams 13 are respectively positioned between two adjacent longitudinal support legs 12, and two ends of each cross beam 13 are respectively fixedly connected with the bottom ends of the adjacent longitudinal support legs 12.
Referring to fig. 2, in the above embodiment, a specific use method of the mounting and paying-off device for the overhead ground wire is that, when the mounting and paying-off device is used, the base frame 1 in the mounting and paying-off device is sleeved from the top of the iron tower a, the position is fixed, the mounting and paying-off device and the iron tower a are fixed, then the overhead ground wire B to be mounted passes through the space between the base plate 11 and the bearing platform 2, the overhead ground wire B is positioned above the two guide wheels 4, the two guide wheels 4 guide and pay-off the overhead ground wire B, and through the arrangement of the two guide wheels 4, not only the guidance of the overhead ground wire B can be realized, but also the resistance borne by the overhead ground wire B in the paying-off process can be reduced. After the wire releasing is finished, the hoisting screw rod 3 can be rotated to enable the hoisting screw rod 3 to move downwards relative to the base frame 1, the overhead ground wire traction hook can move from the base plate 11 side to the force bearing platform 3 side until the overhead ground wire traction hook 31 on the hoisting screw rod 3 hooks the overhead ground wire B, the hoisting screw rod 3 is rotated reversely, and then the overhead ground wire B is driven to hoist, the gravity center of the overhead ground wire B is separated from the two guide wheels, and the installation of the upper lever wire clamp is facilitated. Therefore, by using the mounting and paying-off device, the mounting difficulty of the upper-carrying type overhead ground wire B can be reduced, the construction efficiency of the upper-carrying type overhead ground wire can be obviously improved, and the problem existing when a paying-off tackle is used for mounting and paying off the upper-carrying type overhead ground wire is effectively solved.
In the above embodiment, when the mounting and paying-off device for the top-loading type overhead ground wire is used, the mounting and paying-off device needs to be sleeved outside the top end of the iron tower a and then fixed, as an improvement of the technical scheme, for convenience of fixing operation, referring to fig. 1, a fixing buckle 121 is arranged on each longitudinal supporting leg 12 in the base frame 1, and each fixing buckle 121 is located below the bearing table 2.
Above-mentioned fixed buckle 121 can select various structures, as long as can be fixed the landing leg of vertical landing leg and iron tower in the installation pay-off, for example, this kind of fixed buckle can constitute by two arc clamping pieces, and the both ends of every arc clamping piece all are provided with the mounting hole, then pass the mounting hole of two arc clamping piece tip by the bolt, fix two arc clamping pieces, form the clamping area between two arc clamping pieces, and this clamping area is arranged in the clamping of the landing leg of vertical landing leg and iron tower in the installation pay-off and fixes.
In order to improve the fixing firmness degree between the installation pay-off device and the iron tower, as an improvement of the technical scheme, referring to fig. 1, two fixing buckles 121 are arranged on each longitudinal supporting leg 12, and the two fixing buckles 121 on each longitudinal supporting leg 12 are respectively arranged along the length direction of the corresponding longitudinal supporting leg 12 at intervals.
In order to conveniently install the hoisting operation of the hoisting screw rods 3 on the overhead ground wire in the wire placing device, as an improvement of the technical scheme, the bearing table 2 is arranged in parallel relative to the base plate 11 in the base frame 1, the number of the hoisting screw rods 3 is designed to be two, the number of the screw holes in the base plate 11 is two, the screw holes are in one-to-one correspondence with the hoisting screw rods 3, each hoisting screw rod 3 is installed in the corresponding screw hole in a threaded manner, after the structural design is adopted, the overhead ground wire above the guide wheel 4 is parallel relative to the base plate 11 in the base frame 1, and the two hoisting screw rods 3 respectively hoist the overhead ground wire from two hoisting points simultaneously, so that the hoisting operation of the overhead ground wire A is more stable.
In order to facilitate the rotation operation of the lifting screw rod 3, as an improvement of the technical solution, referring to fig. 1, a horizontal wrench 32 is vertically disposed at an end portion of the lifting screw rod 3 above the base plate 11, and the lifting screw rod 3 can be rotated by pulling the horizontal wrench 32.
In the above embodiment, referring to fig. 1, each guide wheel 4 is a directional wheel and is fixedly connected with the bearing platform 2 through a directional wheel bracket 41, in order to improve the guiding effect of the guide wheel on the overhead ground wire, as an improvement of the technical solution, a downwardly recessed guide groove is provided on each guide wheel 4 along the circumferential direction, and the overhead ground wire is just located in the recessed guide groove.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims (9)

1. A carrying type overhead ground wire is with installing pay-off, its characterized in that includes: the lifting device comprises a base frame (1), a bearing table (2), a lifting screw rod (3) and two guide wheels (4);
the base frame (1) comprises: a base plate (11) and four longitudinal legs (12);
the base plate (11) is provided with screw holes penetrating through the upper side and the lower side;
the four longitudinal supporting legs (12) are all positioned below the base plate (11), and the upper ends of the four longitudinal supporting legs (12) are respectively fixedly connected with the four corners of the base plate (11);
the bearing platform (2) is positioned below the base plate (11) in the base frame (1), and four corners of the bearing platform (2) are fixedly connected with the adjacent longitudinal supporting legs (12) respectively;
one end of the hoisting screw rod (3) is positioned above a base plate (11) in the base frame (1), the other end of the hoisting screw rod penetrates through a screw hole in the base plate (11) and then is positioned between the base plate (11) and the bearing platform (2), and an overhead ground wire towing hook (31) is rotatably arranged at the end part of the hoisting screw rod (3) positioned between the base plate (11) and the bearing platform (2);
the two guide wheels (4) are installed on the bearing platform (2) at intervals, and the two guide wheels (4) are respectively positioned on two sides of an overhead ground wire traction hook (31) in the hoisting screw rod (3).
2. A mounting and paying-off device for a top-loading type overhead ground wire according to claim 1, wherein each of the longitudinal legs (12) of the base frame (1) is provided with a fixing buckle (121), and each fixing buckle (121) is located below the bearing platform (2).
3. A mounting and paying-off device for a top-loading type overhead ground wire according to claim 2, wherein the number of the fixing buckles (121) on each longitudinal leg (12) is two, and the two fixing buckles (121) on each longitudinal leg (12) are respectively arranged along the length direction of the corresponding longitudinal leg (12) at intervals.
4. A mounting and paying-off device for a top-loading type overhead ground wire according to claim 1, wherein the bearing platform (2) is arranged in parallel with respect to the base plate (11) in the base frame (1).
5. The mounting and paying-off device for the top-loading type overhead ground wire according to claim 1, wherein the number of the hoisting screw rods (3) is two;
the number of the screw holes in the base plate (11) is two, and the screw holes correspond to the hoisting screw rods (3) one by one.
6. A carrying type overhead earth wire installing and paying-off device according to claim 1 or 5, wherein a horizontal wrench (32) is vertically arranged at the end of the lifting screw rod (3) above the base plate (11).
7. A lever-type overhead ground wire installation and pay-off device as claimed in claim 1, wherein each guide wheel (4) is a directional wheel and is fixedly connected with the bearing platform (2) through a directional wheel bracket (41).
8. A mounting and paying-off device for a top-loading type overhead ground wire according to claim 1, wherein each guide wheel (4) is provided with a guide groove depressed downward in a circumferential direction.
9. A mounting and paying-off device for a top-loading type overhead ground wire according to claim 1, wherein the base frame (1) further comprises: four cross beams (13);
the four cross beams (13) are respectively arranged between two adjacent longitudinal support legs (12), and two ends of each cross beam (13) are respectively fixedly connected with the bottom ends of the adjacent longitudinal support legs (12).
CN201911004686.0A 2019-10-22 2019-10-22 Top-loading type overhead ground wire mounting and paying-off device Pending CN110729666A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911004686.0A CN110729666A (en) 2019-10-22 2019-10-22 Top-loading type overhead ground wire mounting and paying-off device

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Application Number Priority Date Filing Date Title
CN201911004686.0A CN110729666A (en) 2019-10-22 2019-10-22 Top-loading type overhead ground wire mounting and paying-off device

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CN110729666A true CN110729666A (en) 2020-01-24

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201247928Y (en) * 2008-08-18 2009-05-27 天津市电力公司 Overhead ground wire hoist
CN202017374U (en) * 2011-03-23 2011-10-26 韩玉滨 Expansion-resistant cap for wire pole
CN202333597U (en) * 2011-10-20 2012-07-11 辽宁省电力有限公司沈阳供电公司 Overhead-groundwire lifter
CN204407787U (en) * 2015-01-15 2015-06-17 国家电网公司 A kind of power line construction center line take-up coaster
CN105262005A (en) * 2015-11-05 2016-01-20 国家电网公司 Auxiliary supporting device for pole overhead ground wire and OPGW optical cable
CN106410671A (en) * 2016-10-31 2017-02-15 国网山东省电力公司济南市长清区供电公司 Auxiliary device for replacing tubular bus support porcelain insulator
CN209456003U (en) * 2018-11-16 2019-10-01 国网辽宁省电力有限公司辽阳供电公司 Aerial earth wire installs lifting device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201247928Y (en) * 2008-08-18 2009-05-27 天津市电力公司 Overhead ground wire hoist
CN202017374U (en) * 2011-03-23 2011-10-26 韩玉滨 Expansion-resistant cap for wire pole
CN202333597U (en) * 2011-10-20 2012-07-11 辽宁省电力有限公司沈阳供电公司 Overhead-groundwire lifter
CN204407787U (en) * 2015-01-15 2015-06-17 国家电网公司 A kind of power line construction center line take-up coaster
CN105262005A (en) * 2015-11-05 2016-01-20 国家电网公司 Auxiliary supporting device for pole overhead ground wire and OPGW optical cable
CN106410671A (en) * 2016-10-31 2017-02-15 国网山东省电力公司济南市长清区供电公司 Auxiliary device for replacing tubular bus support porcelain insulator
CN209456003U (en) * 2018-11-16 2019-10-01 国网辽宁省电力有限公司辽阳供电公司 Aerial earth wire installs lifting device

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Application publication date: 20200124

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