CN107453281B - High-voltage auxiliary stringing device - Google Patents
High-voltage auxiliary stringing device Download PDFInfo
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- CN107453281B CN107453281B CN201710771841.6A CN201710771841A CN107453281B CN 107453281 B CN107453281 B CN 107453281B CN 201710771841 A CN201710771841 A CN 201710771841A CN 107453281 B CN107453281 B CN 107453281B
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- lifting
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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
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
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Abstract
The invention relates to a high-voltage auxiliary stringing device, which belongs to the field of power transmission line stringing equipment.
Description
Technical Field
The invention belongs to the field of power transmission line stringing equipment, and particularly relates to a high-voltage auxiliary stringing device.
Background
The laying of the transmission line requires that a transmission tower or a transmission pole is built first, the transmission line is placed on a cross arm of the transmission tower or the transmission pole, and then a constructor is required to climb to the top of the transmission tower or the transmission pole to install an insulator and lift the transmission line into a groove in the top of the insulator to complete stringing construction.
At present, the construction of stringing completely depends on manpower, constructors need to bear heavy power transmission lines by shoulders, jack the power transmission lines to the height same as the top of the insulator and then erect the power transmission lines into a groove at the top of the insulator, the process is carried out at the top of a power transmission tower or a power transmission pole, and the constructors mainly use climbers or cross arms as footholds, can cause falling accidents without paying attention, and have great threat to the safety of personnel; and because the power transmission line needs to be lifted in the stringing construction, if the construction encounters a high-voltage power transmission line with a thicker line diameter, the physical consumption of constructors is very large, and the stringing construction efficiency is difficult to improve.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides the high-voltage auxiliary stringing device which can apply force by means of the cross arm, avoids the potential safety hazard of manual ejection and improves the construction efficiency.
The invention adopts the specific technical scheme that:
the high-voltage auxiliary wiring device is used for assisting in lifting a power transmission line into a groove at the top of an insulator on a cross arm, and comprises a base fixed with the cross arm, a vertical lifting mechanism fixedly connected with the base, and a horizontal moving mechanism fixedly connected with the movable end of the vertical lifting mechanism, wherein the movable end of the horizontal moving mechanism is fixedly connected with a bearing bracket provided with an arc-shaped wire storage groove, and the bearing bracket has two-dimensional displacement adjustment freedom degrees in the vertical direction and the horizontal direction by virtue of the vertical lifting mechanism and the horizontal moving mechanism respectively.
The vertical lifting mechanism comprises a lifting mechanism and a descending mechanism which have the same structure, the vertical lifting mechanism is also provided with a lifting rack with a left split structure and a right split structure, and the lifting mechanism and the descending mechanism are arranged on two sides of the lifting rack in parallel and in opposite directions; the lifting mechanism comprises a vertical sliding sleeve which is fixed on the base and is provided with a through hole, a lifting rack is sleeved in the vertical sliding sleeve, a lifting gear which is meshed with the lifting rack through the through hole, a lifting swing rod used for shifting the lifting gear and a lifting limiting mechanism used for preventing the lifting gear from rotating reversely are used, and the horizontal moving mechanism is fixedly connected with the lifting rack; the descending mechanism comprises a descending gear meshed with the lifting rack, a descending swing rod, a descending limiting block used for preventing the descending gear from reversely rotating, and descending shifting teeth arranged on the descending swing rod and used for shifting the descending gear.
The lifting limiting mechanism comprises a lifting limiting block hinged in the through hole, the lifting limiting block is pressed on teeth of the lifting gear by virtue of a torsional spring, and the lifting limiting block and the side wall of the through hole form jacking limitation when the lifting gear rotates along the reverse direction of the lifting gear.
And a lifting shifting tooth with one end hinged with the lifting swing rod and the other end meshed with the teeth of the lifting gear is arranged between the lifting swing rod and the lifting gear, and the lifting swing rod shifts the lifting gear by virtue of the lifting shifting tooth.
The lifting shifting teeth are hinged with the lifting swing rod and are pressed on teeth of the lifting gear by means of a torsional spring, the hinged ends of the lifting shifting teeth are further provided with wedge blocks, and the wedge blocks are in jacking contact with the lifting limiting blocks to enable the lifting swing rod and the lifting limiting blocks to have rotational freedom degrees around respective hinged shafts respectively.
The horizontal moving mechanism comprises a horizontal sliding sleeve fixedly connected with a lifting rack, a translation rack is sleeved in the horizontal sliding sleeve, a through hole is formed in the side portion of the horizontal sliding sleeve, a propelling mechanism is arranged in the through hole and comprises a propelling gear hinged in the through hole and meshed with the translation rack, a propelling swing rod used for stirring the propelling gear and a propelling limiting block used for preventing the propelling gear from rotating reversely, propelling teeth used for stirring the propelling gear are arranged on the propelling swing rod, and a bearing bracket is arranged at the end portion of the translation rack.
The retraction mechanism is arranged in the through hole of the horizontal sliding sleeve and comprises a retraction gear meshed with the translation rack, a retraction swing rod, a retraction limiting block used for preventing the retraction gear from rotating reversely, and a retraction shifting tooth arranged on the retraction swing rod and used for shifting the retraction gear, and the retraction mechanism and the pushing mechanism are in a mirror symmetry structure.
The invention has the beneficial effects that:
the cable to be erected is lifted by means of the mutual meshing of the lifting rack and the lifting gear, so that safe operation in high-altitude operation is realized, the potential danger caused by adopting a manual pushing mode is avoided, and the safe and efficient construction is guaranteed to the greatest extent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of view A of FIG. 1;
FIG. 3 is a top view of FIG. 1;
FIG. 4 is a state diagram of the lifting mechanism pushing the lifting rack;
FIG. 5 is a state diagram of the lifting mechanism with the lifting rack released;
FIG. 6 is a schematic view in horizontal translation;
in the attached drawing, 1, a vertical sliding sleeve, 101, a lifting rack, 102, a lifting gear, 103, a lifting swing rod, 104, a lifting limiting block, 105, lifting shifting teeth, 106, a wedge block, 201, a descending gear, 202, a descending swing rod, 203, a descending limiting block, 204, descending shifting teeth, 3, a bearing bracket, 4, a horizontal sliding sleeve, 401, a translation rack, 402, a pushing gear, 403, a pushing swing rod, 404, a pushing limiting block, 405, pushing shifting teeth, 501, a retracting gear, 502, a retracting swing rod, 503, a retracting limiting block, 504, retracting shifting teeth, 6 and a base.
Detailed Description
The invention is further described with reference to the following figures and specific examples:
in specific embodiment 1, as shown in fig. 1 to 5, the invention is a high-voltage auxiliary stringing device, which is assisted by lifting a power transmission line into a top groove of an insulator on a cross arm, and comprises a base 6 fixed with the cross arm, a vertical lifting mechanism fixedly connected with the base 6, and a horizontal moving mechanism fixedly connected with a movable end of the vertical lifting mechanism, wherein the movable end of the horizontal moving mechanism is fixedly connected with a support bracket 3 provided with an arc-shaped power storage slot, and the support bracket 3 has two-dimensional displacement adjustment freedom degrees in a vertical direction and a horizontal direction by virtue of the vertical lifting mechanism and the horizontal moving mechanism respectively.
The vertical lifting mechanism comprises a lifting mechanism and a descending mechanism which have the same structure, and the lifting mechanism and the descending mechanism are arranged in parallel and in reverse; the lifting mechanism comprises a vertical sliding sleeve 1 which is fixed on the base 6 and is provided with a through hole, a lifting rack 101 is sleeved in the vertical sliding sleeve 1, the lifting rack 101 is in a left-right split structure, a lifting gear 102 which is meshed with the lifting rack 101 through the through hole, a lifting swing rod 103 which is used for shifting the lifting gear 102 and a lifting limiting mechanism which is used for preventing the lifting gear 102 from reversely rotating are used, and the horizontal moving mechanism is fixedly connected with the lifting rack; the descending mechanism comprises a descending gear 201 meshed with the lifting rack 101, a descending swing rod 202, a descending limiting block 203 used for preventing the descending gear 201 from reversely rotating, and a descending shifting tooth 204 arranged on the descending swing rod 202 and used for shifting the descending gear 201. When the cable erection device is used, the cross arm is fixed with the cable erection device by the aid of the base 6, the base 6 is in a U-shaped structure and can be inserted into the cross arm, the cable erection device is convenient to fix, a cable to be erected is supported by the aid of the supporting bracket 3, a person shakes the lifting swing rod 103 in the direction shown in figure 4, the lifting gear 102 rotates to push the lifting rack 101 to move, the lifting swing rod 103 is in transmission connection with the lifting gear 102, the force application force arm of the lifting gear 102 is expanded under the condition that the length of the force arm of the lifting gear 102 is unchanged, a labor-saving lever structure is formed, heavy cables, particularly high-voltage cables with thick wire diameters can be erected in a labor-saving mode, potential safety hazards caused by direct ejection of the person are avoided, and construction efficiency is improved.
When the lowering operation is required, the lifting mechanism limits the lifting rack 101, so that the limitation needs to be removed, the operation mode is as shown in fig. 5, the lifting swing rod 103 swings counterclockwise, the wedge block 106 is in abutting contact with the lifting limiting block 104, the lifting swing rod 103 and the lifting limiting block 104 rotate around respective hinge shafts, as shown in fig. 5, the lifting shifting teeth 105 and the lifting limiting block 104 are separated from the teeth of the lifting gear 102 respectively, so that the limitation is removed, at the moment, the lowering mechanism intermittently moves the lifting rack 101 downwards through the swing of the lowering swing rod 202, and the use convenience is ensured.
In specific embodiment 2, the lifting limiting mechanism includes a lifting limiting block 104 hinged in the through hole, the lifting limiting block 104 is pressed on the teeth of the lifting gear 102 by a torsion spring, and the lifting limiting block 104 and the side wall of the through hole form a pressing limiting function when the lifting gear 102 rotates along the reverse direction.
A lifting shifting tooth 105 with one end hinged with the lifting swing rod 103 and the other end meshed with teeth of the lifting gear 102 is arranged between the lifting swing rod 103 and the lifting gear 102, and the lifting swing rod 103 shifts the lifting gear 102 by means of the lifting shifting tooth 105.
The lifting shifting tooth 105 is hinged to the lifting swing rod 103 and pressed on teeth of the lifting gear 102 by means of a torsion spring, a wedge block 106 is further arranged at the hinged end of the lifting shifting tooth 105, and the wedge block 106 is in abutting contact with the lifting limiting block 104, so that the lifting swing rod 103 and the lifting limiting block 104 respectively have rotational freedom degrees around respective hinged shafts.
When the pushing distance of the lifting swing rod 103 which is shaken once is not enough to complete stringing, multiple times of swinging is needed, at the moment, the lifting swing rod 103 shakes towards the direction opposite to the arrow shown in fig. 4, at the moment, because the lifting rack 101 bears a cable, the trend of moving in the opposite direction is achieved, when the lifting swing rod 103 shakes reversely, the lifting gear 102 cannot be pushed by the lifting shifting teeth 105 any more, teeth of the lifting gear 102 can be pushed against the lifting limiting block 104 when the lifting gear 102 rotates reversely, the lifting limiting block 104 deflects and is in contact with the side wall of the through hole for limitation, so that the hidden danger of reverse rotation of the lifting gear 102, which may occur when the lifting swing rod 103 swings reciprocally, is avoided, and smooth stringing construction is guaranteed.
In specific embodiment 3, the horizontal moving mechanism includes a horizontal sliding sleeve 4 fixedly connected to the lifting rack 101, a translation rack 401 is sleeved in the horizontal sliding sleeve 4, a through hole is formed in a side portion of the horizontal sliding sleeve 4, a propelling mechanism is disposed in the through hole, the propelling mechanism includes a propelling gear 402 hinged in the through hole and engaged with the translation rack 401, a propelling swing rod 403 for pushing the propelling gear 402, and a propelling limit block 404 for preventing the propelling gear 402 from rotating reversely, a propelling tooth 405 for pushing the propelling gear 402 is disposed on the propelling swing rod 403, and the support bracket 3 is disposed at an end portion of the translation rack.
A retraction mechanism is further arranged in the through hole of the horizontal sliding sleeve 4, the retraction mechanism comprises a retraction gear 501 engaged with the translation rack 401, a retraction swing rod 502, a retraction limiting block 503 used for preventing the retraction gear 501 from reversely rotating, and a retraction poking tooth 504 arranged on the retraction swing rod 502 and used for poking the retraction gear 501, and the retraction mechanism and the propulsion mechanism are in a mirror symmetry structure.
As shown in fig. 6, the horizontal sliding sleeve 4 pushes the translation rack 401 to push the cable to be erected supported by the support bracket 3 to the left or right side, so as to be convenient for approaching the insulated terminal erected on the cross arm, thereby achieving the effect of convenient use.
The lifting mechanism, the descending mechanism, the retracting mechanism and the pushing mechanism have the same structure and are interchangeable, so that the manufacturing cost and the difficulty are reduced, and the preparation of spare parts is more convenient.
Furthermore, in order to avoid the problem of unbalanced stress, the lifting rack 101 adopts a left and right split structure, the descending mechanism and the lifting mechanism are respectively arranged on the lifting rack 101 of the left and right split structure, the lower end of the horizontal sliding sleeve 4 is provided with a sleeve, the end part of the lifting rack 101 is provided with an L-shaped insertion rod, the insertion rod and the sleeve are sleeved to form a movable connection, after the stringing on one side is completed, the other side needs to be re-strutted, the horizontal sliding sleeve 4 can be extracted, and the insertion rod and the sleeve are re-inserted after the left and right U-turns, so that the stringing on the other side is realized, the re-fixation of the base 6 is avoided, the force application by personnel is facilitated, and the operation is convenient.
Claims (3)
1. Supplementary overhead line device of high pressure is assisted in the top recess of insulator on lifting the power transmission line to the cross arm, its characterized in that: the device comprises a base (6) fixed with a cross arm, a vertical lifting mechanism fixedly connected with the base (6), and a horizontal moving mechanism fixedly connected with the movable end of the vertical lifting mechanism, wherein the movable end of the horizontal moving mechanism is fixedly connected with a bearing bracket (3) provided with an arc-shaped wire storage groove, and the bearing bracket (3) has two-dimensional displacement adjustment freedom degrees in the vertical direction and the horizontal direction by means of the vertical lifting mechanism and the horizontal moving mechanism respectively;
the vertical lifting mechanism comprises a lifting mechanism and a descending mechanism which have the same structure, the vertical lifting mechanism is also provided with a lifting rack (101) with a left split structure and a right split structure, and the lifting mechanism and the descending mechanism are arranged on two sides of the lifting rack (101) in parallel and in opposite directions; the lifting mechanism comprises a vertical sliding sleeve (1) which is fixed on the base (6) and is provided with a through hole, a lifting rack (101) is sleeved in the vertical sliding sleeve (1), a lifting gear (102) which is meshed with the lifting rack (101) by virtue of the through hole, a lifting swing rod (103) which is used for shifting the lifting gear (102) and a lifting limiting mechanism which is used for preventing the lifting gear (102) from reversing, and the horizontal moving mechanism is fixedly connected with the lifting rack (101); the descending mechanism comprises a descending gear (201) meshed with the lifting rack (101), a descending swing rod (202), a descending limiting block (203) used for preventing the descending gear (201) from reversely rotating, and a descending shifting tooth (204) arranged on the descending swing rod (202) and used for shifting the descending gear (201);
the lifting limiting mechanism comprises a lifting limiting block (104) hinged in the through hole, the lifting limiting block (104) is pressed on teeth of the lifting gear (102) by means of a torsion spring, and the lifting limiting block (104) and the side wall of the through hole form jacking limiting;
a lifting shifting tooth (105) with one end hinged with the lifting swing rod (103) and the other end meshed with teeth of the lifting gear (102) is arranged between the lifting swing rod (103) and the lifting gear (102), and the lifting swing rod (103) and the lifting gear (102) form a meshing structure by virtue of the lifting shifting tooth (105);
the lifting shifting teeth (105) are hinged with the lifting swing rod (103) and are pressed on teeth of the lifting gear (102) by means of torsion springs, the hinged ends of the lifting shifting teeth (105) are also provided with wedge blocks (106), and the wedge blocks (106) are in abutting contact with the lifting limiting blocks (104) so that the lifting swing rod (103) and the lifting limiting blocks (104) respectively have rotational freedom degrees around respective hinged shafts;
when the pushing distance of the lifting swing rod (103) which is rocked once is not enough to complete stringing, multiple times of swinging are needed, at the moment, the lifting swing rod (103) is rocked in the opposite direction, at the moment, the lifting rack (101) bears a cable, so that the cable has the trend of moving in the opposite direction, when the lifting swing rod (103) is rocked in the opposite direction, the lifting gear (102) can not be pushed by the lifting shifting teeth (105), when the lifting gear (102) rotates reversely, the teeth of the lifting gear can be pushed against the lifting limiting block (104), the lifting limiting block (104) deflects and is in contact with the side wall of the through hole for limitation, thereby avoiding the hidden danger that the lifting gear (102) rotates reversely when the lifting swing rod (103) swings in a reciprocating manner, and ensuring the smooth stringing construction.
2. The high voltage auxiliary stringing device as claimed in claim 1, wherein: the horizontal movement mechanism comprises a horizontal sliding sleeve (4) fixedly connected with a lifting rack (101), a translation rack (401) is sleeved in the horizontal sliding sleeve (4), a through hole is formed in the side portion of the horizontal sliding sleeve (4), a propelling mechanism is arranged in the through hole, the propelling mechanism comprises a propelling gear (402) hinged in the through hole and meshed with the translation rack (401), a propelling swing rod (403) used for pushing the propelling gear (402) and a propelling limiting block (404) used for preventing the propelling gear (402) from reversing, a propelling poking tooth (405) used for pushing the propelling gear (402) is arranged on the propelling swing rod (403), and a bearing bracket (3) is arranged at the end portion of the translation rack.
3. The high voltage auxiliary overhead line device of claim 2, wherein: the retraction mechanism is further arranged in the through hole of the horizontal sliding sleeve (4), the retraction mechanism comprises a retraction gear (501) meshed with the translation rack (401), a retraction swing rod (502), a retraction limiting block (503) used for preventing the retraction gear (501) from rotating reversely, and a retraction shifting tooth (504) arranged on the retraction swing rod (502) and used for shifting the retraction gear (501), and the retraction mechanism and the advancing mechanism are of a mirror symmetry structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771841.6A CN107453281B (en) | 2017-08-31 | 2017-08-31 | High-voltage auxiliary stringing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710771841.6A CN107453281B (en) | 2017-08-31 | 2017-08-31 | High-voltage auxiliary stringing device |
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| Publication Number | Publication Date |
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| CN107453281A CN107453281A (en) | 2017-12-08 |
| CN107453281B true CN107453281B (en) | 2023-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710771841.6A Active CN107453281B (en) | 2017-08-31 | 2017-08-31 | High-voltage auxiliary stringing device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111917063A (en) * | 2020-09-15 | 2020-11-10 | 周彦彤 | Cable cable and 5G big data safety type high altitude electric power maintenance moving frame |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205489271U (en) * | 2016-02-26 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Transmission line aerial earth wire lifter |
| CN206313359U (en) * | 2016-11-16 | 2017-07-07 | 国网浙江桐乡市供电公司 | Straight line pole fall block |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201708481U (en) * | 2010-06-28 | 2011-01-12 | 河南省电力公司平顶山供电公司 | Two-phase wire opening support bar for operation of live vertical bar |
| CN203865824U (en) * | 2014-05-30 | 2014-10-08 | 中国石油化工股份有限公司 | Hoisting device for electric submersible pumping unit |
| CN104440756B (en) * | 2014-12-09 | 2017-02-01 | 国家电网公司 | Lifting mounting device |
| CN106711896A (en) * | 2015-08-24 | 2017-05-24 | 化晨冰 | Fastening device for insulated conductor |
| CN106219456A (en) * | 2016-08-31 | 2016-12-14 | 天津市泰森数控科技有限公司 | A kind of casting ladle elevating mechanism with auto-lock function and method |
| CN207150040U (en) * | 2017-08-31 | 2018-03-27 | 国家电网公司 | High pressure aids in wire-binding device |
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2017
- 2017-08-31 CN CN201710771841.6A patent/CN107453281B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205489271U (en) * | 2016-02-26 | 2016-08-17 | 国网山东省电力公司莒南县供电公司 | Transmission line aerial earth wire lifter |
| CN206313359U (en) * | 2016-11-16 | 2017-07-07 | 国网浙江桐乡市供电公司 | Straight line pole fall block |
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| CN107453281A (en) | 2017-12-08 |
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Address after: 100000 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. Applicant after: WUJI POWER SUPPLY BRANCH OF STATE GRID HEBEI ELECTRIC POWER Co.,Ltd. Address before: 100000 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant before: State Grid Corporation of China Applicant before: STATE GRID HEBEI ELECTRIC POWER Co. Applicant before: State Grid Hebei Electric Power Company Wuji Power Supply Co. |
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