CN112482981A - Extension ladder for maintenance of jumper wire of strain tower - Google Patents
Extension ladder for maintenance of jumper wire of strain tower Download PDFInfo
- Publication number
- CN112482981A CN112482981A CN202011270293.7A CN202011270293A CN112482981A CN 112482981 A CN112482981 A CN 112482981A CN 202011270293 A CN202011270293 A CN 202011270293A CN 112482981 A CN112482981 A CN 112482981A
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- China
- Prior art keywords
- strain
- ladder
- tower
- jumper
- maintenance
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- 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
Links
- 238000012423 maintenance Methods 0.000 title claims abstract description 23
- 238000004804 winding Methods 0.000 claims 1
- 230000007547 defect Effects 0.000 abstract description 5
- 239000004020 conductor Substances 0.000 description 4
- 239000012211 strain insulator Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/48—Ladder heads; Supports for heads of ladders for resting against objects
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Ladders (AREA)
Abstract
The invention discloses an extension ladder for maintaining a tension tower jumper, which belongs to the technical field of maintaining the tension tower jumper and comprises a tension tower, wherein the tension tower is connected with the extension ladder; the extension ladder comprises a ladder body, wherein an angle sliding plate is hinged to a vertical frame of the ladder body, the angle sliding plate is connected with an inclined rod of the strain tower in a sliding mode, a connecting groove is formed in a cross frame of the ladder body, and the connecting groove is detachably connected with a cross rod of the strain tower. The jumper wire maintenance device is specially designed for maintenance of the jumper wire of the tension-resistant pole tower, the defect that the jumper wire can be maintained only by an operator who extends out of the jumper wire is overcome, the posture is normal, the labor intensity is reduced, the safety coefficient is high, the life safety of the operator is guaranteed, and the smooth maintenance of the jumper wire of the tension-resistant pole tower is guaranteed.
Description
Technical Field
The invention relates to the technical field of maintenance of jumper wires of strain towers, in particular to an extension ladder for maintenance of the jumper wires of the strain towers.
Background
Tension towers are towers in which a conductor or a split conductor is suspended by a tension insulator, and bear the tension of the conductor and the overhead ground wire in addition to supporting the gravity and wind power of the conductor and the overhead ground wire. The jumper wire of the strain tower and the series hardware thereof are often used as key overhaul objects for overhaul work such as stringing, windage yaw prevention, defect elimination and the like of the power transmission line.
Wherein, because there is not the dedicated ladder of jumper maintenance at present, lead to present operation personnel in the maintenance working process, will stand on the horizontal pole of strain tower by the foot on one side, will lean out to visit on one side and go to overhaul the jumper, the posture distortion is easily tired, and intensity of labour is big, and factor of safety is also low, very influences strain tower's jumper maintenance.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an extension ladder for overhauling a jumper of a tension tower; this an extension ladder for strain insulator shaft tower wire jumper overhauls is that the special wire jumper of for strain insulator shaft tower overhauls the design and forms, and this scheme avoids the operation personnel to visit out the drawback that the body could just overhaul the wire jumper, and the posture is normal, reduces intensity of labour, and factor of safety is also high, guarantees operation personnel's life safety, guarantees that strain insulator shaft tower wire jumper overhauls smoothly.
In order to solve the technical problem, the extension ladder for maintaining the jumper of the tension tower comprises the tension tower, wherein the tension tower is connected with the extension ladder; the extension ladder comprises a ladder body, wherein an angle sliding plate is hinged to a vertical frame of the ladder body, the angle sliding plate is connected with an inclined rod of the strain tower in a sliding mode, a connecting groove is formed in a cross frame of the ladder body, and the connecting groove is detachably connected with a cross rod of the strain tower.
In a further improvement of the invention, the vertical frame of the ladder body is provided with a hinge seat, the hinge seat is hinged with a hinge disc, and the hinge disc is welded with the angle sliding plate.
Through the design, the inclined rod of strain tower can be adapted to more conveniently in the scheme, and during installation, the angle sliding plate ascends and rotates simultaneously, and the vertical frame is hinged with the angle sliding plate, so that the angle sliding plate can rotate more conveniently.
In a further improvement of the invention, the connecting groove is connected with a U-shaped bolt, and the U-shaped bolt is connected with the cross frame of the ladder body.
Through the design, the cross frame can be more convenient to disassemble from the cross rod.
In a further improvement of the invention, a support is arranged on a top cross arm of the tension tower, a fixed pulley is arranged on the support, a traction rope is wound on the fixed pulley, and one end of the traction rope is connected with a cross frame of the extension ladder.
Through the design, the extension ladder can be more convenient to pull up and descend.
In a further improvement of the invention, a transverse frame of the extension ladder is provided with a hanging buckle, the hanging buckle is connected with a hook, and the hook is arranged at one end of the traction rope.
Through the design, the scheme can be more convenient for mounting and dismounting the traction rope and the cross frame.
In a further improvement of the invention, the other end of the traction rope is connected with a winch.
Through the design, the extension ladder can be more convenient to pull up and descend.
In a further improvement of the invention, the inner wall of the angle sliding plate is provided with a magnet.
Through above-mentioned design, this scheme can more do benefit to the angle slide when rising or descend, laminates with the down tube more, more does benefit to the steady rising of angle slide or descends.
In further improvement, the bottom ball at one end of the extension ladder far away from the tension tower is hinged with an inclined support rod.
Through the design, the stability of ladder is extended in the increase that this scheme can be better, guarantees operation personnel's life safety.
In the further improvement of the invention, the bottom of the inclined support rod is hinged with a connecting seat in a spherical manner, and the connecting seat is in threaded connection with the inclined rod of the strain tower.
Through the design, the inclined support rod and the inclined rod of the scheme are connected more firmly and stably.
Compared with the prior art, the invention has the following beneficial effects:
the invention is specially designed for the maintenance of the jumper wire of the strain pole tower, the concept of 'extending ladder' is creatively provided by the scheme, the upper part of the strain pole tower is extended to the side surface by utilizing the vertical frame, the transverse frame, the angle sliding plate and the connecting groove so as to be trampled by an operator, the defect that the jumper wire can be maintained only when the operator finds out the body is avoided, the posture is normal, the labor intensity is reduced, the safety coefficient is high, the life safety of the operator is ensured, and the smooth maintenance of the jumper wire of the strain pole tower is ensured.
Drawings
To more clearly illustrate the background art or the technical solutions of the present invention, the following brief description of the drawings incorporated in the prior art or the detailed description of the present invention; it should be understood that the structures, proportions, and dimensions shown in the drawings and described herein are for illustrative purposes only and are not intended to limit the scope of the present invention, which is to be given the full breadth of the present disclosure, and are not intended to limit the scope of the present disclosure.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an exploded view of the present invention, fig. 1.
FIG. 3 is an exploded view of FIG. 2.
Shown in the figure: 1-a diagonal rod; 2-a cross bar; 3-vertical frame; 4-horizontal frame; 5-a hinged seat; 6-hinged disk; 7-angle sliding plate; 8-U-shaped bolts; 9-a scaffold; 10-a fixed pulley; 11-hanging buckles; 12-a winch; 13-diagonal bracing bars; 14-a connecting seat; 15-connecting groove.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following will make clear and complete description of the technical solution in the embodiments of the present invention 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, rather than all embodiments, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention shall fall within the protection scope of the present invention.
Meanwhile, the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like referred to in the present specification indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, it is not to be understood that the present invention is limited to changes or adjustments of relative relationships thereof, and also to be considered as a scope in which the present invention can be implemented without substantial technical changes.
Meanwhile, in the description of the present specification, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected", and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two components can be directly connected or indirectly connected through an intermediate medium, and the two components can be communicated with each other, so that the specific meaning of the terms in the invention can be understood by those skilled in the art through specific situations.
As shown in fig. 1-3, an extension ladder for jumper maintenance of a tension tower comprises the tension tower, wherein the tension tower is connected with the extension ladder; extend the ladder and include the ladder body, the perpendicular frame 3 of the ladder body is gone up and is articulated have angle slide 7, and angle slide 7 and strain tower's down tube 1 sliding connection are provided with spread groove 15 on the crossbearer 4 of the ladder body, and spread groove 15 can be dismantled with strain tower's horizontal pole 2 and be connected.
A hinge seat 5 is arranged on the vertical frame 3 of the ladder body, a hinge disc 6 is hinged to the hinge seat 5, and the hinge disc 6 is welded with an angle sliding plate 7; the connecting groove 15 is connected with a U-shaped bolt 8, and the U-shaped bolt 8 is connected with the cross frame 4 of the ladder body.
A support 9 is arranged on a top cross arm of the strain tower, a fixed pulley 10 is arranged on the support 9, a traction rope is wound on the fixed pulley 10, and one end of the traction rope is connected with a cross frame 4 of the extension ladder; a hanging buckle 11 is arranged on the transverse frame 4 of the extension ladder, the hanging buckle 11 is connected with a hook, and the hook is arranged at one end of the traction rope; the other end of the hauling cable is connected with a windlass 12.
And a magnet is arranged on the inner wall of the angle sliding plate 7.
The bottom ball at one end of the extension ladder far away from the strain tower is hinged with an inclined support rod 13; the bottom ball of the inclined supporting rod 13 is hinged with a connecting seat 14, and the connecting seat 14 is in threaded connection with the inclined rod 1 of the strain tower.
Because do not have the jumper wire at present to overhaul dedicated ladder, lead to present operation personnel in the maintenance working process, will stand on strain tower's horizontal pole on the foot, will lean out to visit on one side and go to overhaul the jumper wire, the posture distortion is easily tired, and intensity of labour is big, and factor of safety is also low, very influences strain tower's jumper wire and overhauls.
Therefore, the design concept of the invention is that a section of ladder is extended from the upper part of the strain tower for operators to tread on, so that the defect that the jumper can be overhauled only when the operators extend out of the tower is avoided, the posture is normal, the labor intensity is reduced, the safety coefficient is high, the life safety of the operators is ensured, and the smooth overhaul of the jumper of the strain tower is ensured.
The application steps of the scheme are as follows: an operator climbs to the top of the strain tower, one end of a traction rope connected with a winch is wound on a fixed pulley and then thrown down, the operator on the ground hangs a hook of the traction rope on a buckle and pastes a corner sliding plate of an extension ladder on an inclined rod of the strain tower, the winch is started, the corner sliding plate rises under the driving of the traction rope (the traction force of the traction rope is greater than the magnetic force of a magnet, so that the corner sliding plate can be pulled to rise), the angle sliding plate slowly rotates to adapt to the inclination angle of the inclined rod, the extension ladder rises along with the driving of the corner sliding plate, after the height is suitable, the winch stops, the operator uses a U-shaped bolt to connect an extension ladder cross frame and a cross rod of the strain tower, the operator uses a connecting bolt to connect a connecting seat with the inclined rod of the strain tower, and the safety rope is hung After jumper maintenance-maintenance is carried out on the cross bar of the tension tower, the extension ladder and the tension tower are disassembled, then the winch is started, and the extension ladder is sent back to the ground.
Although the present invention has been described in detail with reference to the preferred embodiments, the present invention is not limited thereto, and those skilled in the art can make various equivalent modifications or substitutions on the embodiments of the present invention without departing from the spirit and essence of the present invention, and those modifications or substitutions should be considered as being within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and therefore, the scope of the present invention should be determined by the scope of the claims.
Claims (9)
1. The utility model provides an extend ladder for strain tower wire jumper overhauls, includes strain tower, its characterized in that: the tension tower is connected with an extension ladder; the extension ladder comprises a ladder body, wherein an angle sliding plate is hinged to a vertical frame of the ladder body, the angle sliding plate is connected with an inclined rod of the strain tower in a sliding mode, a connecting groove is formed in a cross frame of the ladder body, and the connecting groove is detachably connected with a cross rod of the strain tower.
2. The extension ladder for jumper maintenance of strain towers according to claim 1, characterized in that: the vertical frame of the ladder body is provided with a hinged seat, the hinged seat is hinged with a hinged disk, and the hinged disk is welded with the angle sliding plate.
3. The extension ladder for jumper maintenance of strain towers according to claim 2, characterized in that: the connecting groove is connected with a U-shaped bolt, and the U-shaped bolt is connected with the cross frame of the ladder body.
4. The extension ladder for jumper maintenance of strain towers according to claim 1, characterized in that: the top cross arm of strain tower is provided with the support, is provided with the fixed pulley on the support, and the winding has the haulage rope on the fixed pulley, and the one end of haulage rope is connected with the crossbearer of extending the ladder.
5. The extension ladder for jumper maintenance of strain towers according to claim 4, wherein: the horizontal frame of the extension ladder is provided with a hanging buckle, the hanging buckle is connected with a hook, and the hook is arranged at one end of the traction rope.
6. The extension ladder for jumper maintenance of strain towers according to claim 5, characterized in that: the other end of the hauling rope is connected with a winch.
7. The extension ladder for jumper maintenance of strain towers according to claim 1, characterized in that: and the inner wall of the angle sliding plate is provided with a magnet.
8. The extension ladder for jumper maintenance of strain towers according to claim 1, characterized in that: the bottom ball of the extension ladder, which is far away from one end of the strain tower, is hinged with an inclined support rod.
9. The extension ladder for jumper maintenance of strain towers according to claim 8, characterized in that: the bottom ball of the diagonal bracing rod is hinged with a connecting seat, and the connecting seat is in threaded connection with the diagonal bracing rod of the strain tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270293.7A CN112482981A (en) | 2020-11-13 | 2020-11-13 | Extension ladder for maintenance of jumper wire of strain tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011270293.7A CN112482981A (en) | 2020-11-13 | 2020-11-13 | Extension ladder for maintenance of jumper wire of strain tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112482981A true CN112482981A (en) | 2021-03-12 |
Family
ID=74930665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011270293.7A Pending CN112482981A (en) | 2020-11-13 | 2020-11-13 | Extension ladder for maintenance of jumper wire of strain tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112482981A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099952A (en) * | 1991-06-24 | 1992-03-31 | Farrell Gary D | Ladder lateral extension |
| WO2008068510A2 (en) * | 2006-12-07 | 2008-06-12 | Adam Clifford | Accessory mounting |
| KR20130060494A (en) * | 2011-11-30 | 2013-06-10 | 현대중공업 주식회사 | Safety hoop for vertical ladder |
| US20140209411A1 (en) * | 2013-01-09 | 2014-07-31 | William Edward McCarthy | Ladder Accessory |
| CN206815929U (en) * | 2017-05-05 | 2017-12-29 | 国网甘肃省电力公司兰州供电公司 | A kind of novel electric power tower |
| CN109162629A (en) * | 2018-08-08 | 2019-01-08 | 陆永柱 | The hand double ladder that object for house decoration is fed automatically |
| CN210239304U (en) * | 2019-05-29 | 2020-04-03 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Steel structure tower of power grid power transmission facility |
-
2020
- 2020-11-13 CN CN202011270293.7A patent/CN112482981A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5099952A (en) * | 1991-06-24 | 1992-03-31 | Farrell Gary D | Ladder lateral extension |
| WO2008068510A2 (en) * | 2006-12-07 | 2008-06-12 | Adam Clifford | Accessory mounting |
| KR20130060494A (en) * | 2011-11-30 | 2013-06-10 | 현대중공업 주식회사 | Safety hoop for vertical ladder |
| US20140209411A1 (en) * | 2013-01-09 | 2014-07-31 | William Edward McCarthy | Ladder Accessory |
| CN206815929U (en) * | 2017-05-05 | 2017-12-29 | 国网甘肃省电力公司兰州供电公司 | A kind of novel electric power tower |
| CN109162629A (en) * | 2018-08-08 | 2019-01-08 | 陆永柱 | The hand double ladder that object for house decoration is fed automatically |
| CN210239304U (en) * | 2019-05-29 | 2020-04-03 | 中国南方电网有限责任公司超高压输电公司贵阳局 | Steel structure tower of power grid power transmission facility |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210312 |
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| RJ01 | Rejection of invention patent application after publication |