CN111009849B - A operation support for insulator is changed - Google Patents
A operation support for insulator is changed Download PDFInfo
- Publication number
- CN111009849B CN111009849B CN201911199536.XA CN201911199536A CN111009849B CN 111009849 B CN111009849 B CN 111009849B CN 201911199536 A CN201911199536 A CN 201911199536A CN 111009849 B CN111009849 B CN 111009849B
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- Prior art keywords
- pull rod
- rod
- hole
- operation platform
- insulator
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- 239000012212 insulator Substances 0.000 title claims abstract description 29
- 230000000712 assembly Effects 0.000 claims abstract description 10
- 238000000429 assembly Methods 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 7
- 238000003466 welding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
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Classifications
-
- 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
Abstract
The invention discloses an operation bracket for replacing an insulator, and relates to the technical field of electric power overhaul equipment. The operation support comprises an operation platform, cantilever rods are respectively arranged on the left side and the right side of the operation platform, a first pull rod is arranged on each cantilever rod in a sliding mode, and a hook assembly is arranged at the upper end of each first pull rod. Two pull rod assemblies are arranged on the operation platform along the front-back direction, and the pull rod assemblies sequentially comprise an upper pull rod, a threaded sleeve and a lower pull rod from top to bottom. The lower end of the upper pull rod and the upper end of the lower pull rod are respectively provided with an upper stud and a lower stud, and the rotating direction of the lower stud is opposite to that of the upper stud. The lower end of the lower pull rod is fixedly provided with a rectangular bearing plate, a plurality of rectangular first through holes are uniformly distributed on the operation platform along the front-back direction, and the width of each first through hole is smaller than the length of the bearing plate. The operation support can provide an operation platform for insulator replacement, is more convenient to operate, not only ensures safety, but also is beneficial to improving working efficiency.
Description
Technical Field
The invention relates to the technical field of electric power overhaul equipment, in particular to an operation bracket for replacing an insulator.
Background
In the routine maintenance process of the power transmission line, insulator replacement is an important task. At present, when the insulator is replaced, an operator climbs to a power transmission line tower to replace the damaged insulator.
Since the insulator is generally installed on the outer side of the cross arm of the power transmission tower, an operator stands on the cross arm to perform an operation when replacing the insulator, and the operator must squat down to perform the operation or climb onto the power transmission line to perform the operation. This not only has the potential safety hazard, also can reduce work efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides the operation support for replacing the insulator, which can provide an operation platform for replacing the insulator, is more convenient to operate, not only ensures the safety, but also is beneficial to improving the working efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows:
an operation support for insulator replacement comprises an operation box body, wherein the operation box body comprises an operation platform and side plates fixedly arranged on the periphery of the operation platform;
the left side and the right side of the rear end of the operation platform are respectively provided with a cantilever rod, a first pull rod is arranged on the cantilever rod in a sliding manner, and the upper end of the first pull rod is provided with a hook component;
two pull rod assemblies are arranged on the working platform along the front-back direction, and each pull rod assembly sequentially comprises an upper pull rod, a threaded sleeve and a lower pull rod from top to bottom;
a hook structure is arranged at the upper end of the upper pull rod, an upper stud and a lower stud which are matched with the threaded sleeve are respectively arranged at the lower end of the upper pull rod and the upper end of the lower pull rod, and the thread turning directions of the lower stud and the upper stud are opposite;
the lower end of the lower pull rod is fixedly provided with a rectangular bearing plate, and the operation platform is tightly pressed on the bearing plate;
the working platform on be provided with a plurality of first through-holes that are used for holding along the fore-and-aft direction equipartition the pull rod assembly, first through-hole be rectangle, just the width of first through-hole is less than the length of bearing board, the size of first through-hole can supply the bearing board to pass.
Furthermore, two pull rod assemblies are respectively arranged at the left end and the right end of the operation platform, and a bending part is arranged at the upper end of the upper pull rod.
Furthermore, the pull rod assembly is arranged in the middle of the operation platform, a cross rod is arranged at the upper end of the upper pull rod, and the cross rod and the upper pull rod jointly form a T-shaped structure.
Furthermore, a plurality of arc-shaped notches are formed in the left side and the right side of the upper pull rod on the lower side surface of the cross rod.
Further, on the downside of operation platform with first through-hole correspond and be provided with the stopper, the stopper on be provided with the second through-hole, just the second through-hole with first through-hole coincidence, be provided with on the downside of stopper and be used for holding the rectangle recess of bearing board, just the recess with contained angle between the second through-hole is 90.
Furthermore, the groove penetrates through the limiting block along the left-right direction, and guide inclined planes are arranged at the lower ends of the front side face and the rear side face of the groove.
Further, the hook subassembly include a hook pole that is the L type, first pull rod on be provided with and be used for holding the jack of hook pole horizontal part, be located on the horizontal part of hook pole preceding, the back both sides of first pull rod are provided with respectively and are used for pressing from both sides tightly the third baffle and the second baffle of first pull rod.
Furthermore, a limiting bolt is arranged between the vertical part of the hook hanging rod and the first pull rod.
Furthermore, the lower end of the first pull rod is fixedly provided with a sliding sleeve, and the sliding sleeve is matched with the cantilever rod to realize the relative sliding between the first pull rod and the cantilever rod.
Furthermore, a first baffle is fixedly arranged at the suspended end of the cantilever rod.
The invention has the beneficial effects that:
1. this operation support can be for the insulator change provide operation platform, on the one hand, can make the insulator be in the height that is suitable for the operation, very big having made things convenient for the operation, and on the other hand has increased operating space, and the operation workman can nimble move in the platform, places operating tool etc. in the platform, gets to put the convenience, can effectual improvement work efficiency.
2. The operation support can effectively improve the safety during operation.
3. When the operation bracket is installed, a lifting platform is not needed to lift an operator to a vertical position, and then the operation bracket is installed; only need hang the operation support to the cross arm of transmission tower on, then install from cross arm one side, and the in-process operating personnel of installation can stand and carry out the installation operation on the platform, to the place that should not adopt lifting by crane equipment, lift platform such as mountain area, through adopting the operation that the operation support can be great make things convenient for the operation workman.
Drawings
FIG. 1 is a perspective view of a work carriage in one direction;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1;
FIG. 4 is an enlarged schematic view of a portion C of FIG. 1;
FIG. 5 is an enlarged schematic view of a portion D of FIG. 1;
FIG. 6 is a front view of the work carriage;
FIG. 7 is a sectional view taken along line A-A of FIG. 6;
FIG. 8 is a side view of the work carriage;
FIG. 9 is a cross-sectional view taken along line B-B of FIG. 8;
FIG. 10 is an enlarged view of section E of FIG. 9;
FIG. 11 is an enlarged view of portion F of FIG. 9;
FIG. 12 is a perspective view of the work carriage in another orientation;
FIG. 13 is an enlarged view of the portion G of FIG. 12;
FIG. 14 is a schematic perspective view of a stopper;
FIG. 15 is a schematic perspective view showing one direction of a working stand according to a second embodiment;
FIG. 16 is an enlarged schematic view of portion H of FIG. 15;
fig. 17 is a schematic perspective view of another direction of the working stand according to the second embodiment.
In the figure: 11-operation platform, 111-first through hole, 12-upright post, 13-side plate, 14-cantilever rod, 141-first baffle, 2-first pull rod, 21-sliding sleeve, 3-hook component, 31-hook rod, 311-second baffle, 32-third baffle, 33-limit bolt, 4-pull rod component, 41-upper pull rod, 411-bending part, 412-upper stud, 413-cross rod, 42-threaded sleeve, 43-lower pull rod, 431-lower stud, 432-supporting plate, 5-limit block, 51-second through hole, 52-groove and 521-guide inclined plane.
Detailed Description
For convenience of description, a coordinate system is now defined as shown in fig. 1.
Example one
As shown in fig. 1, a work stand for insulator replacement includes a work box including a work platform 11.
As a specific embodiment, as shown in fig. 12, the work platform 11 in this embodiment includes a square frame formed by welding profiles, and the square frame serves as a framework of the work platform 11. The upper side surface of the square frame is provided with a bottom plate, and preferably, the flat plate is fixedly connected with the square frame through a screw. As shown in fig. 1, upright posts 12 are respectively disposed at four corners of the upper side surface of the work platform 11. Preferably, the lower end of the upright post 12 is fixedly connected with the square frame in a welding mode, and the bottom plate is provided with a notch for avoiding the upright post 12. A side plate 13 is arranged between two adjacent upright columns 12, and preferably, the side plate 13 is fixedly connected with the outer side surfaces of the upright columns 12 (the opposite side of the two adjacent upright columns 12 is the inner side) through screws.
As a specific implementation manner, the profile described in this embodiment is a square steel pipe.
As shown in fig. 1, cantilever bars 14 extending outward are respectively provided on the left and right sides of the rear end of the work platform 11. The suspension arm rod 14 is provided with a first pull rod 2, the lower end of the first pull rod 2 is connected with the suspension arm rod 14 in a sliding mode, the first pull rod 2 can slide left and right along the suspension arm rod 14, and the upper end of the first pull rod 2 is provided with a hook component 3 used for being connected with a cross arm.
As a specific embodiment, as shown in fig. 3, the first pull rod 2 is a square steel tube, a sliding sleeve 21 is fixedly disposed at the lower end of the first pull rod 2 by welding, and the sliding sleeve 21 and the cantilever 14 cooperate to realize the relative sliding between the first pull rod 2 and the cantilever 14.
Further, as shown in fig. 3, a first baffle 141 is fixedly disposed at the free end of the cantilever bar 14 by welding. The first baffle 141 can prevent the first pull rod 2 from slipping off the cantilever bar 14.
As shown in fig. 2, 6 and 7, the hooking component 3 includes a hooking rod 31, the hooking rod 31 includes a horizontal portion, a vertical portion extending downward is provided at a rear end of the horizontal portion, and the horizontal portion and the vertical portion form an L-shaped structure together. The hanging end of the horizontal portion of the hooking rod 31 passes through the first tie rod 2 and extends to the front side of the first tie rod 2. The rear side that is located first pull rod 2 on the horizontal part of hook rod 31 is provided with second baffle 311 through the welded mode is fixed, be provided with third baffle 32 on the terminal surface of the free end of the horizontal part of hook rod 31, third baffle 32 pass through the screw with hook rod 31 fixed connection, just first pull rod 2 be step up between second baffle 311 and third baffle 32.
Further, in order to ensure the reliability of the connection between the hook rod 31 and the cross arm, a limit bolt 33 is arranged between the vertical part of the hook rod 31 and the first pull rod 2, and the vertical part of the hook rod 31 and the first pull rod 2 are respectively provided with a first through hole 111 for accommodating the limit bolt 33. And the limiting bolt 33 is provided with a locking nut.
As shown in fig. 1, 8 and 9, two tie rod assemblies 4 are respectively disposed at the left and right ends of the work platform 11, and the two tie rod assemblies 4 located at the same side are arranged along the front-back direction.
As shown in fig. 5, 9 and 10, the pull rod assembly 4 sequentially includes an upper pull rod 41, a threaded sleeve 42 and a lower pull rod 43 from top to bottom, a bent portion 411 for hooking a cable is disposed at an upper end of the upper pull rod 41, and an upper stud 412 matched with the threaded sleeve 42 is disposed at a lower end of the upper pull rod 41. The upper end of the lower pull rod 43 is provided with a lower stud 431 matched with the threaded sleeve 42, the thread screwing directions of the lower stud 431 and the upper stud 412 are opposite, and the upper pull rod 41 and the lower pull rod 43 can move oppositely or move backwards by rotating the threaded sleeve 42. The lower end of the lower pull rod 43 is fixedly provided with a supporting plate 432 in a welding mode, and the supporting plate 432 is rectangular. As shown in fig. 11, the underside of the work platform 11 is pressed against the support plate 432 by gravity.
As shown in fig. 1 and 4, a plurality of first through holes 111 for accommodating the drawbar assembly 4 are uniformly formed at the left and right ends of the work platform 11 along the front-back direction, the first through holes 111 are rectangular, and the width of the first through holes 111 is smaller than the length of the support plate 432. Preferably, the size of the first through hole 111 is the same as the size of the support plate 432, that is, the length of the first through hole 111 is equal to the length of the support plate 432, and the width of the first through hole 111 is equal to the width of the support plate 432.
As a specific implementation manner, in the present embodiment, the first through hole 111 is arranged in the front-back direction, that is, the length direction of the first through hole 111 is the front-back direction.
Preferably, the first through hole 111 is located on a square frame of the work platform 11.
During operation, firstly, the operation support is hung on a cross arm of the power transmission tower, then the hooking component 3 at the upper end of the first pull rod 2 is hooked on the cross arm, and the bent part 411 of the upper pull rod 41 in the pull rod component 4 is hooked on a cable or a joint between two porcelain insulators. Since the first tie rod 2 is slidable relative to the boom 14, the position of the first tie rod 2 can be adjusted to avoid any attachment such as a brace on the transmission tower. Then, the operator stands on the working platform 11 and rotates the threaded sleeve 42 of the front pull rod assembly 4 to lock the front pull rod assembly 4, i.e., the upper pull rod 41 and the lower pull rod 43 of the front pull rod assembly 4 move toward each other. At this time, the tie rod assembly 4 located at the front side is in a tensioned state, and the tie rod assembly 4 located at the rear side is in a relaxed state. Then, the rear handle assembly 4 is rotated to move the support plate 432 in the front-rear direction, so that the rear handle assembly 4 is taken out. Then, the tie rod assembly 4 originally located at the rear side is placed at the front side of the tie rod assembly 4 originally located at the front side, and the tie rod assembly 4 originally located at the rear side is inserted into the first through hole 111. Then rotate the pull rod assembly 4 that originally was located the rear side, turned angle is 90, then will originally be located pull rod assembly 4 hook of rear side and connect the junction of two vase of cable or insulator. The process is repeated until the pull rod assembly 4 moves to the foremost end of the working platform 11, so that the whole insulator string is positioned in the range of the working platform 11.
Further, in order to improve the structural stability, the relative rotation between the support plate 432 and the work platform 11 during the work is avoided. As shown in fig. 12 and 13, the lower side surface of the work platform 11 is provided with limit blocks 5, the number of the limit blocks 5 is the same as that of the first through holes 111, and the positions of the limit blocks are in one-to-one correspondence and are all located below the first through holes 111. The limiting block 5 is provided with a second through hole 51, and the second through hole 51 coincides with the first through hole 111, that is, the projection of the second through hole 51 in the horizontal plane completely coincides with the projection of the first through hole 111 in the horizontal plane. The lower side surface of the limiting block 5 is provided with a rectangular groove 52 for accommodating the supporting plate 432, and an included angle between the groove 52 and the second through hole 51 is 90 degrees.
Further, the groove 52 penetrates the limiting block 5 in the left-right direction.
Further, the lower ends of the front and rear sides of the groove 52 are provided with guide slopes 521.
Example two
As shown in fig. 15 and 17, two tie rod assemblies 4 are disposed in the middle of the work platform 11 along the front-back direction, and a plurality of first through holes 111 for accommodating the tie rod assemblies 4 are uniformly disposed in the middle of the work platform 11 along the front-back direction. The pull rod assembly 4 sequentially comprises an upper pull rod 41, a threaded sleeve 42 and a lower pull rod 43 from top to bottom, a cross rod 413 is arranged at the upper end of the upper pull rod 41, and the cross rod 413 and the upper pull rod 41 jointly form a T-shaped structure. The rest of the structure is the same as the first embodiment.
Further, as shown in fig. 16, a plurality of arc notches are respectively formed on the left and right sides of the upper pull rod 41 on the lower side surface of the cross bar 413.
Claims (10)
1. The utility model provides an operation support for insulator is changed which characterized in that: the device comprises an operation box body, wherein the operation box body comprises an operation platform and side plates fixedly arranged on the periphery of the operation platform;
the left side and the right side of the rear end of the operation platform are respectively provided with a cantilever rod, a first pull rod is arranged on the cantilever rod in a sliding manner, and the upper end of the first pull rod is provided with a hook component;
two pull rod assemblies are arranged on the working platform along the front-back direction, and each pull rod assembly sequentially comprises an upper pull rod, a threaded sleeve and a lower pull rod from top to bottom;
a hook structure is arranged at the upper end of the upper pull rod, an upper stud and a lower stud which are matched with the threaded sleeve are respectively arranged at the lower end of the upper pull rod and the upper end of the lower pull rod, and the thread turning directions of the lower stud and the upper stud are opposite;
the lower end of the lower pull rod is fixedly provided with a rectangular bearing plate, and the operation platform is tightly pressed on the bearing plate;
the working platform on be provided with a plurality of first through-holes that are used for holding along the fore-and-aft direction equipartition the pull rod assembly, first through-hole be rectangle, just the width of first through-hole is less than the length of bearing board, the size of first through-hole can supply the bearing board to pass.
2. A work support for insulator replacement according to claim 1, wherein: the left end and the right end of the operation platform are respectively provided with two pull rod assemblies, and the upper end of the upper pull rod is provided with a bending part.
3. A work support for insulator replacement according to claim 1, wherein: the pull rod assembly is arranged in the middle of the operation platform, a cross rod is arranged at the upper end of the upper pull rod, and the cross rod and the upper pull rod jointly form a T-shaped structure.
4. A work support for insulator replacement according to claim 3, wherein: the lower side surface of the cross rod is provided with a plurality of arc-shaped notches at the left side and the right side of the upper pull rod.
5. A work support for insulator replacement according to claim 1, wherein: the downside of operation platform on with first through-hole correspond and be provided with the stopper, the stopper on be provided with the second through-hole, just the second through-hole with first through-hole coincidence, be provided with on the downside of stopper and be used for holding the rectangular recess of bearing board, just the recess with contained angle between the second through-hole is 90.
6. A work support for insulator replacement according to claim 5, wherein: the groove penetrates through the limiting block along the left-right direction, and guide inclined planes are arranged at the lower ends of the front side face and the rear side face of the groove.
7. A work support for insulator replacement according to claim 1, wherein: the hook subassembly include a hook pole that is the L type, first pull rod on be provided with and be used for holding the jack of hook pole horizontal part, be located on the horizontal part of hook pole preceding, the back both sides of first pull rod are provided with respectively and are used for pressing from both sides tightly the third baffle and the second baffle of first pull rod.
8. A work support for insulator replacement according to claim 7, wherein: and a limiting bolt is arranged between the vertical part of the hook hanging rod and the first pull rod.
9. A work support for insulator replacement according to claim 1, wherein: the lower end of the first pull rod is fixedly provided with a sliding sleeve, and the sliding sleeve is matched with the cantilever rod to realize the relative sliding between the first pull rod and the cantilever rod.
10. A work support for insulator replacement according to claim 9, wherein: and a first baffle is fixedly arranged at the suspended end of the cantilever rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199536.XA CN111009849B (en) | 2019-11-29 | 2019-11-29 | A operation support for insulator is changed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911199536.XA CN111009849B (en) | 2019-11-29 | 2019-11-29 | A operation support for insulator is changed |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111009849A CN111009849A (en) | 2020-04-14 |
| CN111009849B true CN111009849B (en) | 2021-02-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911199536.XA Active CN111009849B (en) | 2019-11-29 | 2019-11-29 | A operation support for insulator is changed |
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| Country | Link |
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| CN (1) | CN111009849B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113193510B (en) * | 2021-03-29 | 2022-06-28 | 国网河南省电力公司焦作供电公司 | 110kV transmission line strain insulator single-string insulator replacement device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207475074U (en) * | 2017-11-15 | 2018-06-08 | 贵州电网有限责任公司 | A kind of portable replacement transmission circuit insulator string tripod |
| CN209029791U (en) * | 2018-07-27 | 2019-06-25 | 国网山东省电力公司泰安供电公司 | Bikini line outage upkeep operation platform |
| CN109802331A (en) * | 2019-04-10 | 2019-05-24 | 问洋铭 | A kind of high-altitude route sliding job platform |
| CN110364960A (en) * | 2019-07-16 | 2019-10-22 | 云南电网有限责任公司曲靖供电局 | Strain insulator list insulator string inspection platform |
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| Publication number | Publication date |
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| CN111009849A (en) | 2020-04-14 |
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