CN113964727A - Maintenance tool for replacing overhead optical cable of power transmission line - Google Patents
Maintenance tool for replacing overhead optical cable of power transmission line Download PDFInfo
- Publication number
- CN113964727A CN113964727A CN202111366724.4A CN202111366724A CN113964727A CN 113964727 A CN113964727 A CN 113964727A CN 202111366724 A CN202111366724 A CN 202111366724A CN 113964727 A CN113964727 A CN 113964727A
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- Prior art keywords
- pulley
- arm
- box body
- cross arm
- optical cable
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The invention relates to an overhauling tool for replacing an overhead optical cable of a power transmission line, wherein a right arm is clamped on one side in a cross arm box body of the tool, a left arm is clamped on the other side in the cross arm box body, a first pulley and a second pulley are fixedly arranged in the middle in the cross arm box body through a rotating shaft, a shaft hole is formed in the rotating shaft, third pulleys are fixedly arranged at one ends, far away from the cross arm box body, of the right arm and the left arm, steel wire ropes are respectively fixed on the first pulley and the second pulley, the two steel wire ropes pass through the corresponding third pulleys, and wire supporting hooks are fixed at the end parts of the steel wire ropes; the edges of the first pulley and/or the second pulley are arranged to be tooth-shaped structures, and a locking structure is further arranged above the cross arm box body. The invention solves the problems that no device for lifting the optical cable exists at present, and the existing method for lifting the optical cable needs to be matched by a plurality of people, so that the danger exists.
Description
Technical Field
The invention relates to the technical field of electric power overhaul tools, in particular to an overhaul tool for replacing an overhead optical cable of a power transmission line.
Background
Due to the fact that the ultrahigh voltage transmission line runs in the field for a long time, the opgw optical cable is prone to strand breakage, abrasion, wire clamp damage and the like under the influence of wind, rain, thunder, breeze, vibration and the like, and the defects need to be processed. The original working method is that the optical cable is lifted by a transfer rope to work, a plurality of persons are needed to work high above and below the tower in a matching way, and the safety cannot be guaranteed in the up-and-down cross operation, so that a special tool for replacing the optical cable is urgently needed.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides an overhauling tool for replacing an overhead optical cable of a power transmission line, and aims to solve the problems that no device for lifting the optical cable exists at present, and the existing method for lifting the optical cable needs to be matched by multiple persons, so that danger exists.
The technical scheme is as follows:
an overhauling tool for replacing an overhead optical cable of a power transmission line is characterized in that a right arm is clamped on one side in a cross arm box body of the tool, a left arm is clamped on the other side in the cross arm box body, a first pulley and a second pulley are fixedly arranged at the middle part in the cross arm box body through a rotating shaft, a shaft hole is formed in the rotating shaft, third pulleys are fixedly arranged at one ends, away from the cross arm box body, of the right arm and the left arm, steel wire ropes are respectively fixed on the first pulley and the second pulley, the two steel wire ropes bypass the corresponding third pulleys, and wire supporting hooks are fixed at the end parts of the steel wire ropes; the edge of first pulley and/or second pulley sets up to dentate structure, and cross arm box top still is provided with the dead structure of locking, and the dead structure of locking includes fixture block, spring, camshaft, and the camshaft both ends are connected with the fixture block bearing, and the fixture block at both ends penetrates inside the cross arm box, has cup jointed the spring on the fixture block, and spring one end top touches cross arm box inner wall, and the convex part of fixture block is touched in other end top, and the dentate structure of first pulley of tip ability joint or second pulley of fixture block.
Further, the cross arm box body is a box body structure with two open ends, two right arm track grooves and two left arm track grooves are formed in the inner lower surface of the cross arm box body, the distance between the two right arm track grooves is larger than or smaller than the distance between the two left arm track grooves, the two right arm track grooves are in sliding connection with slide rails arranged below the right arm, and the two left arm track grooves are in sliding connection with slide rails arranged below the left arm.
Furthermore, the right arm and the left arm are consistent in structure, the width of the right arm is larger than or smaller than that of the left arm, the right arm and the left arm are both frame structures, a fixed shaft is fixedly arranged on two side walls of one end of each frame structure, a third pulley is fixedly arranged on the fixed shaft, two sides of the other end of each frame structure are both arranged into transverse concave structures, a limiting block is arranged at the bottom of each concave structure, and when the right arm or the left arm is drawn out of the cross arm box body for the maximum distance, the limiting block is clamped with the end part of the opening of the cross arm box body; the slide rail is arranged below the right arm, and the slide rail is arranged below the left arm.
Furthermore, a plurality of first pin holes are formed in the upper surfaces of the right arm and the left arm, which are in clearance contact with the cross arm box body, and a second pin hole is also formed in the upper surface of the cross arm box body.
Further, the camshaft is the structure that highly increases along a direction gradually from both ends to middle, and the maximum height is the distance that the fixture block tip removed, and the camshaft both ends are column axle construction, and the mid portion cross-section is the rain drop form, and the bottom of maximum height department is provided with the plane.
Furthermore, the diameters of the first pulley and the second pulley are consistent, and the vertical distance between the point of the first pulley, where the steel wire rope is fixed, and the point of the second pulley, where the steel wire rope is fixed, is the diameter of the first pulley and the diameter of the second pulley.
Has the advantages that:
the maintenance tool is beneficial to the maintenance work of the aerial optical cable by a single person, and solves the problem that the existing method for lifting the optical cable needs to be matched by a plurality of persons and has danger. The device has simple integral structure, is beneficial to operation at high altitude, skillfully utilizes the raindrop structure, ensures that the locking structure is simple and easy to operate, and is convenient to operate by a single hand.
Drawings
FIG. 1 is a schematic view of the internal structure of the apparatus;
FIG. 2 is a top view of the internal structure of the apparatus;
FIG. 3 is a right side view of the cross arm box structure of the device;
FIG. 4 is a left side view of the cross arm box structure of the device;
FIG. 5 is a schematic structural view of a left arm or a right arm;
FIG. 6 is a schematic view of the first and second pulley configurations;
FIG. 7 is a schematic view of a third pulley structure;
FIG. 8 is a front view of the deadlocking structure;
FIG. 9 is a sectional view of the uppermost portion of the camshaft;
FIG. 10 is a schematic diagram of a fixture block structure;
the figure is marked with: 1. the cross arm box body, 11, the second pinhole, 12, the right arm track groove, 13, the left arm track groove, 2, the right arm, 21, slide rail, 22, fixed axle, 23, stopper, 24, the first pinhole, 3, the left arm, 4, the first pulley, 5, the second pulley, 6, the third pulley, 7, wire rope, 8, the support wire hook, 9, the locking structure, 91, the fixture block, 911, the convex part, 92, spring, 93, camshaft, 931, plane, 10, axis of rotation, 101, shaft hole.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
as shown in fig. 1-7, the maintenance tool for replacing the overhead optical cable of the power transmission line is made of light alloy, the cross arm box body structure of the three-section type pull-type embedded concentric shaft steel wire rope can be stably placed on a tower and can also play a role of storage, a right arm 2 is clamped on one side in a cross arm box body 1 of the maintenance tool, a left arm 3 is clamped on the other side in the cross arm box body 1, a first pulley 4 and a second pulley 5 are fixedly arranged in the middle in the cross arm box body 1 through a rotating shaft 10, the rotating shaft 10 is in bearing connection with the cross arm box body 1, a shaft hole 101 is formed in the rotating shaft 10, and a crank is clamped in the shaft hole 101, so that the first pulley 4 and the second pulley 5 can be conveniently rotated. Third pulleys 6 are fixedly arranged at one ends, away from the cross arm box body 1, of the right arm 2 and the left arm 3, steel wire ropes 7 are respectively fixed on the first pulley 4 and the second pulley 5, the two steel wire ropes 7 pass by the corresponding third pulleys 6, and supporting wire hooks 8 are fixed at the end parts of the steel wire ropes 7; the edges of the first pulley 4 and/or the second pulley 5 are arranged to be tooth-shaped structures, the edges of the two ends of the third pulley 6 are both smooth structures, when the first pulley 4 and/or the second pulley 5 need to be locked, only the first pulley 4 can be locked, only the second pulley 5 can be locked, and in order to ensure the locking effect, the first pulley 4 and the second pulley 5 can be locked at the same time. As shown in fig. 1, 3, 8, 9 and 10, a locking structure 9 is further arranged above the cross arm box 1, the locking structure includes a latch 91, a spring 92 and a cam shaft 93, two ends of the cam shaft 93 are connected with bearings of the latch 91, the latch 91 at two ends penetrates into the cross arm box 1, the spring 92 is sleeved on the latch 91, one end of the spring 92 abuts against the inner wall of the cross arm box 1, the other end of the spring abuts against a convex part 911 of the latch 91, and the end part of the latch 91 can be clamped with a toothed structure of the first pulley 4 or the second pulley 5.
As shown in fig. 3-4, the cross arm box 1 is a box structure with two open ends, the box structure is stable, and is convenient for being stably placed on a tower, two right arm track grooves 12 and two left arm track grooves 13 are arranged on the inner lower surface of the cross arm box 1, the distance between the two right arm track grooves 12 is greater than or less than the distance between the two left arm track grooves 13, the two right arm track grooves 12 are slidably connected with a slide rail 21 arranged below the right arm 2, and the two left arm track grooves 13 are slidably connected with a slide rail 21 arranged below the left arm 3.
As shown in fig. 1, 2 and 5, the right arm 2 and the left arm 3 have the same structure, the right arm 2 has a width larger than or smaller than that of the left arm 3, the right arm 2 and the left arm 3 are both frame structures, a fixing shaft 22 is fixedly arranged on two side walls of one end of each frame structure, a third pulley 6 is fixed on each fixing shaft 22, two sides of the other end of each frame structure are both arranged to be horizontal concave structures, a hollow part in the middle of each concave structure is used for avoiding the fixing shafts for fixing the first pulley 4 and the second pulley 5, a limiting block 23 is arranged at the bottom of each concave structure, and when the right arm 2 or the left arm 3 is drawn out of the cross arm case 1 to the maximum distance, the limiting block 23 is clamped with the open end of the cross arm case 1; the lower part of the right arm 2 is provided with a slide rail 21, the lower part of the left arm 3 is provided with a slide rail 21, the slide rail 21 is clamped in the right arm track groove 12, the slide rail 21 is matched with the right arm track groove 12, the slide rail 21 is clamped in the left arm track groove 13, and the slide rail 21 is matched with the right arm track groove 12.
As shown in fig. 1, 3, 8 and 9, the cam shaft 93 has a structure gradually increasing from two ends to a middle height along one direction, the maximum height is the distance moved by the end of the latch 91, the two ends of the cam shaft 93 have a cylindrical shaft structure, the middle section is in a raindrop shape, and a plane 931 is arranged at the bottom of the maximum height. In the invention, considering that the high-altitude operation is carried out, the optical cable is heavy, the complex and complicated locking devices such as an electric appliance or an air cylinder are not beneficial to use, but the existing mechanical locking devices need to be operated by two hands or are more laborious, the structure of the cam shaft 93 is ingeniously designed, when the clamping block 91 does not lock the first pulley 4 and/or the second pulley 5, the end part of the clamping block 91 leaves the tooth-shaped structure of the first pulley 4 and/or the second pulley 5, the plane 931 is pressed against the upper surface of the cross arm box body 1, the cam shaft 93 can stably support the clamping blocks 91 on the two sides of the cross arm box body, and the spring 92 is in a compressed state; when the fixture block 91 locks the first pulley 4 and/or the second pulley 5, the end of the fixture block 91 abuts against the toothed structure of the first pulley 4 and/or the second pulley 5, so that the rotation of the first pulley 4 and/or the second pulley 5 is limited, the length of the steel wire rope is fixed, namely the height of the aerial optical cable is fixed, the invention utilizes the structure that the cross section of the cam shaft 93 is in a raindrop shape, because the edge of the cam shaft is in a radian shape, an operator pushes the cam shaft 93 with one hand, under the action of the spring 92, the cam shaft 93 rotates by taking the shaft where the tip of the raindrop is positioned as a shaft, and the raindrop structure moves to be in an inverted state along the radian of the edge of the cam shaft, namely the tip of the raindrop abuts against the upper surface of the cross arm box body 1.
As shown in fig. 1 and 2, in order to facilitate the simultaneous lifting of the optical cable, the diameters of the first pulley 4 and the second pulley 5 are identical, and the vertical distance between the point of the first pulley 4 where the wire rope 7 is fixed and the point of the second pulley 5 where the wire rope 7 is fixed is the diameters of the first pulley 4 and the second pulley 5.
The material of the device is preferably titanium alloy.
Example 2
As shown in fig. 3 to 5, in addition to the structure of embodiment 1, a plurality of first pin holes 24 are provided on the upper surface of the right arm 2 and the left arm 3 in clearance contact with the cross arm case 1, and the second pin holes 11 are also provided on the upper surface of the cross arm case 1, so that the projecting lengths of the right arm 2 and the left arm 3 can be fixed by pins and adjusted according to the actual use.
The using method comprises the following steps:
when the optical cable lifting operation is carried out, the cross arm box body 1 of the device is stably placed on a tower, the cross arm box body 1 can also be bound and fixed, the right arm 2 and the left arm 3 in the cross arm box body are drawn out, the plane 931 abuts against the upper surface of the cross arm box body 1 at the moment, the crank is clamped into the shaft hole 101, the crank rotates to drive the rotating shaft 10 to rotate, the rotating shaft 10 rotates to drive the first pulley 4 and the second pulley 5 to rotate, the steel wire rope 7 is lengthened, the optical cable is hung on the wire supporting hook 8, the crank is rotated in the opposite direction, the steel wire rope 7 is collected, when the overhead optical cable reaches a proper position, the cam shaft 93 is pushed, the tip of a raindrop of the cam shaft 93 abuts against the upper surface of the cross arm box body 1 at the moment, under the action of the spring 92, the end part of the clamping block 91 abuts against the tooth-shaped structures of the first pulley 4 and/or the second pulley 5, the rotation of the first pulley 4 and/or the second pulley 5 is limited, and the length of the steel wire rope is fixed, the height of the aerial optical cable is fixed.
The maintenance tool is beneficial to the maintenance work of the overhead optical cable by a single person, and has the advantages of simple and practical design, simple operation, easy production, low manufacturing cost, time and labor saving for maintenance work and personnel saving.
Claims (6)
1. The utility model provides a change transmission line aerial [ insulated ] cable's maintenance instrument which characterized in that: a right arm (2) is clamped on one side in a cross arm box body (1) of the tool, a left arm (3) is clamped on the other side, a first pulley (4) and a second pulley (5) are fixedly arranged in the middle of the cross arm box body (1) through a rotating shaft (10), a shaft hole (101) is formed in the rotating shaft (10), third pulleys (6) are fixedly arranged at one ends, far away from the cross arm box body (1), of the right arm (2) and the left arm (3), steel wire ropes (7) are respectively fixed on the first pulley (4) and the second pulley (5), the two steel wire ropes (7) pass through the corresponding third pulleys (6), and wire supporting hooks (8) are fixed at the end parts of the steel wire ropes (7); the edge of first pulley (4) and/or second pulley (5) sets up to dentate structure, cross arm box (1) top still is provided with locking structure (9), locking structure includes fixture block (91), spring (92), camshaft (93) both ends are connected with fixture block (91) bearing, inside fixture block (91) at both ends penetrated cross arm box (1), spring (92) have been cup jointed on fixture block (91), spring (92) one end top contacts cross arm box (1) inner wall, convex part (911) of fixture block (91) are contacted to the other end top, the dentate structure of first pulley (4) or second pulley (5) can be blocked in the tip of fixture block (91).
2. The maintenance tool for replacing the overhead optical cable of the power transmission line according to claim 1, characterized in that: cross arm box (1) is both ends open-ended box structure, be provided with two right arm track grooves (12) and two left arm track grooves (13) on the lower surface in cross arm box (1), distance between two right arm track grooves (12) is greater than or is less than the distance between two left arm track grooves (13), sliding rail (21) that sliding connection has right arm (2) below to set up in two right arm track grooves (12), sliding rail (21) that sliding connection has left arm (3) below to set up in two left arm track grooves (13).
3. The maintenance tool for replacing the overhead optical cable of the power transmission line according to claim 1, characterized in that: the structure of the right arm (2) is consistent with that of the left arm (3), the width of the right arm (2) is larger than or smaller than that of the left arm (3), the right arm (2) and the left arm (3) are both frame structures, two side walls at one end of each frame structure are fixedly provided with a fixed shaft (22), a third pulley (6) is fixed on each fixed shaft (22), two sides at the other end of each frame structure are both arranged to be horizontal concave structures, a limiting block (23) is arranged at the bottom of each concave structure, and when the right arm (2) or the left arm (3) is pulled out of the cross arm box body (1) for the maximum distance, the limiting block (23) is clamped with the end part of an opening of the cross arm box body (1); a slide rail (21) is arranged below the right arm (2), and a slide rail (21) is arranged below the left arm (3).
4. The maintenance tool for replacing the overhead optical cable of the power transmission line according to claim 3, characterized in that: a plurality of first pin holes (24) are formed in the upper surfaces of the right arm (2) and the left arm (3) which are in clearance contact with the cross arm box body (1), and a second pin hole (11) is also formed in the upper surface of the cross arm box body (1).
5. The maintenance tool for replacing the overhead optical cable of the power transmission line according to claim 1, characterized in that: camshaft (93) are from both ends to the structure that the intermediate height increases along a direction gradually, and the maximum height is the distance that fixture block (91) tip removed, and camshaft (93) both ends are column axle construction, and the mid portion cross-section is the raindrop form, and the bottom of maximum height department is provided with plane (931).
6. The maintenance tool for replacing the overhead optical cable of the power transmission line according to claim 1, characterized in that: the diameters of the first pulley (4) and the second pulley (5) are consistent, and the vertical distance between the point of the first pulley (4) where the steel wire rope (7) is fixed and the point of the second pulley (5) where the steel wire rope (7) is fixed is the diameter of the first pulley (4) and the diameter of the second pulley (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366724.4A CN113964727B (en) | 2021-11-18 | 2021-11-18 | Maintenance tool for replacing overhead optical cable of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111366724.4A CN113964727B (en) | 2021-11-18 | 2021-11-18 | Maintenance tool for replacing overhead optical cable of power transmission line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113964727A true CN113964727A (en) | 2022-01-21 |
| CN113964727B CN113964727B (en) | 2023-04-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111366724.4A Active CN113964727B (en) | 2021-11-18 | 2021-11-18 | Maintenance tool for replacing overhead optical cable of power transmission line |
Country Status (1)
| Country | Link |
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| CN (1) | CN113964727B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995029494A1 (en) * | 1994-04-20 | 1995-11-02 | Siemens Aktiengesellschaft | Tensioner for a spring-loading device |
| CN2856600Y (en) * | 2005-11-23 | 2007-01-10 | 比亚迪股份有限公司 | Autocar locking means |
| CN101672101A (en) * | 2009-09-11 | 2010-03-17 | 陈建发 | One-drive multi-hoisting-point hoisting system |
| CN206901639U (en) * | 2017-07-21 | 2018-01-19 | 李莹 | A kind of balance crane of crane |
| CN108075388A (en) * | 2016-11-16 | 2018-05-25 | 刘伟华 | Replace ground wire preformed armor rods wrap attachment |
| CN211043328U (en) * | 2019-11-20 | 2020-07-17 | 何柏松 | Waterproof material performance detection auxiliary device |
| CN211283547U (en) * | 2019-10-29 | 2020-08-18 | 国网江苏省电力有限公司南京供电分公司 | Novel object hanging tool |
| CN213655694U (en) * | 2020-11-08 | 2021-07-09 | 江苏悦达智能农业装备有限公司 | Novel wheel tooth locking type parking device of wheeled tractor |
-
2021
- 2021-11-18 CN CN202111366724.4A patent/CN113964727B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995029494A1 (en) * | 1994-04-20 | 1995-11-02 | Siemens Aktiengesellschaft | Tensioner for a spring-loading device |
| CN2856600Y (en) * | 2005-11-23 | 2007-01-10 | 比亚迪股份有限公司 | Autocar locking means |
| CN101672101A (en) * | 2009-09-11 | 2010-03-17 | 陈建发 | One-drive multi-hoisting-point hoisting system |
| CN108075388A (en) * | 2016-11-16 | 2018-05-25 | 刘伟华 | Replace ground wire preformed armor rods wrap attachment |
| CN206901639U (en) * | 2017-07-21 | 2018-01-19 | 李莹 | A kind of balance crane of crane |
| CN211283547U (en) * | 2019-10-29 | 2020-08-18 | 国网江苏省电力有限公司南京供电分公司 | Novel object hanging tool |
| CN211043328U (en) * | 2019-11-20 | 2020-07-17 | 何柏松 | Waterproof material performance detection auxiliary device |
| CN213655694U (en) * | 2020-11-08 | 2021-07-09 | 江苏悦达智能农业装备有限公司 | Novel wheel tooth locking type parking device of wheeled tractor |
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| Publication number | Publication date |
|---|---|
| CN113964727B (en) | 2023-04-07 |
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