CN115800152B - Ground wire hanging point connecting mechanism capable of effectively resisting inclination of transmission tower - Google Patents
Ground wire hanging point connecting mechanism capable of effectively resisting inclination of transmission tower Download PDFInfo
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- CN115800152B CN115800152B CN202310052871.7A CN202310052871A CN115800152B CN 115800152 B CN115800152 B CN 115800152B CN 202310052871 A CN202310052871 A CN 202310052871A CN 115800152 B CN115800152 B CN 115800152B
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Abstract
The invention discloses a ground wire hanging point connecting mechanism capable of effectively resisting the inclination of a transmission tower, which solves the problem of how to effectively avoid the breakage of a connecting fitting of a ground wire due to the inclination and deflection of the transmission tower; the device belongs to the technical field of conveying electricity, and comprises a ground wire hanging bracket, a ground wire (10) and a fan-shaped hanging plate (2) at the top end of a power transmission tower, wherein a top end hanging hole (3) is formed at the intersection of two straight sides of the fan-shaped hanging plate, and a strip-shaped arc through hole (6) is formed at the inner side of the arc side of the fan-shaped hanging plate; the upper hardware fitting (1) is hung on the ground wire hanging support, the lower end of the upper hardware fitting is hung with a top hanging hole on the fan-shaped hanging plate, a first shaft sleeve (7) is movably arranged in the long-strip-shaped arc-shaped through hole, the upper end of the lower hardware fitting (8) is connected with the first shaft sleeve through a pin shaft, the lower end of the lower hardware fitting is connected with a ground wire clamp (9), and a ground wire (10) is arranged in the ground wire clamp; the safe operation of the transmission line is ensured.
Description
Technical Field
The invention relates to a transmission tower on a high-voltage transmission line, in particular to a ground wire hanging point connecting mechanism capable of effectively resisting inclination of the transmission tower and a connecting method thereof.
Background
Some electric power transmission channels inevitably pass through a coal mine goaf, and transmission towers are arranged on the ground of the goaf; for the foundation of the transmission tower on the ground of the goaf, countermeasures such as a large plate foundation, lengthened anchor bolts and the like are generally adopted, and after the countermeasures are adopted, the transmission tower is allowed to have moderate inclination and callback phenomena; however, when the transmission tower is moderately inclined and retracted, the ground wire hanging point on the transmission tower is not adaptively adjusted along with the inclination of the transmission tower; because the wire rod of the ground wire is thinner, the strength of the hardware fitting is limited, and when the tower tilts, the hardware fitting can be broken, and critical phenomena of wire dropping and insulation string dropping can occur; to cope with the occurrence of this critical phenomenon, it is common practice to: when the tower is monitored to incline, the wire clamp of the ground wire is adjusted manually in time, and the tension of the hanging point is released, so that the hanging point is not bent and pulled by the tower in an inclined manner, the phenomenon that the tower head is pulled by the ground wire to deform is avoided, and meanwhile, the phenomenon that the hardware is broken after the ground wire is suddenly stressed is avoided.
Disclosure of Invention
The invention provides a ground wire hanging point connecting mechanism capable of effectively resisting the inclination of a transmission tower, which solves the technical problem of how to effectively avoid the occurrence of critical conditions such as fracture of a connecting fitting of a ground wire, even deformation of a tower head and the like caused by the inclination and deflection of the transmission tower.
The invention solves the technical problems by the following technical proposal:
the present general inventive concept: manufacturing a fan-shaped hanging plate, arranging hanging holes at equal intervals on two straight line edges of the fan-shaped hanging plate, arranging a top hanging hole on the fan-shaped hanging plate at the position of the intersecting top point of the two straight line edges, and arranging a long strip-shaped arc through hole on the inner side of the arc edge of the fan-shaped hanging plate; firstly, hanging an upper hardware fitting on a ground wire hanging bracket at the top end of a pole tower, and hanging the lower end of the upper hardware fitting with a top hanging hole on a fan-shaped hanging plate; the upper end of the lower hardware fitting is movably hung in the strip-shaped arc-shaped through hole, and the lower end of the lower hardware fitting is connected with a wire clamp connected with a ground wire; when the ground subsides and the tower is moderately inclined, the ground wire hanging support at the top end of the tower can also obliquely move along with the inclination of the tower, and at the moment, the upper end of the lower hardware fitting can move along the arc in the strip-shaped arc-shaped through hole on the fan-shaped hanging plate, so that the effect of timely reducing or even counteracting unbalanced tension on the ground wire caused by the inclination of the tower is realized, namely, the ground wire is connected to the hanging point on the lower hardware fitting through the follow-up change and adjustment in the strip-shaped arc-shaped through hole on the fan-shaped hanging plate, the unbalanced tension is absorbed, and the phenomenon that the hardware fitting is broken after the ground wire is suddenly stressed and other critical conditions can be timely avoided.
The ground wire hanging point connecting mechanism comprises a ground wire hanging bracket at the top end of a transmission tower, a ground wire and a first fan-shaped hanging plate, wherein a top hanging hole is formed at the intersection of two straight line sides of the first fan-shaped hanging plate, and a strip-shaped arc through hole is formed at the inner side of an arc side of the first fan-shaped hanging plate; the upper end of the lower hardware fitting is connected with the first shaft sleeve through a pin shaft, the lower end of the lower hardware fitting is connected with a ground wire clamp, and a ground wire is arranged in the ground wire clamp.
Left adjusting hanging holes are formed in the inner side of the left straight edge of the first fan-shaped hanging plate at equal intervals along the direction of the straight edge; right adjusting hanging holes are formed in the inner side of the right straight edge of the first fan-shaped hanging plate at equal intervals along the direction of the straight edge.
The first shaft sleeve is a bearing, two convex eaves parallel to each other are arranged on the outer ring of the bearing, the bearing is movably clamped on the strip-shaped arc-shaped through hole through the two convex eaves, and a pin shaft connected with a hardware fitting below is connected in the inner ring of the bearing in a penetrating way.
The ground wire hanging point connecting mechanism comprises a ground wire hanging bracket at the top end of the transmission tower, a ground wire, a first fan-shaped hanging plate and a second fan-shaped hanging plate, wherein the structure of the first fan-shaped hanging plate is identical to that of the second fan-shaped hanging plate; a top end hanging hole is formed in the intersection of two straight sides of the first fan-shaped hanging plate, and a strip-shaped arc through hole is formed in the inner side of the arc-shaped side of the first fan-shaped hanging plate; the upper hardware fitting is hung on a ground wire hanging bracket, the lower end of the upper hardware fitting is hung with a top hanging hole on a first fan-shaped hanging plate, a first shaft sleeve is movably arranged in a long-strip-shaped arc-shaped through hole, the upper end of a middle hardware fitting is connected with the first shaft sleeve through a pin shaft, the lower end of the middle hardware fitting is connected with a top hanging hole on a second fan-shaped hanging plate, a second shaft sleeve is movably arranged in the long-strip-shaped arc-shaped through hole of the second fan-shaped hanging plate, the upper end of the lower hardware fitting is connected with the second shaft sleeve through a second pin shaft, a ground wire clamp is connected with the lower end of the lower hardware fitting, and a ground wire is arranged in the ground wire clamp; the first fan-shaped hanging plate and the second fan-shaped hanging plate are arranged perpendicular to each other.
A connection method of a ground wire hanging point capable of adjusting unbalanced tension of an overhead ground wire in a follow-up manner comprises a ground wire hanging bracket at the top end of a power transmission tower, a ground wire and a first fan-shaped hanging plate, wherein a top end hanging hole is formed at the intersection of two straight line sides of the first fan-shaped hanging plate, a strip-shaped arc through hole is formed at the inner side of an arc-shaped side of the first fan-shaped hanging plate, and left adjusting hanging holes are formed at equal intervals along the trend direction of the straight line side at the inner side of a left straight line side of the first fan-shaped hanging plate; right adjusting hanging holes are formed in the inner side of the right straight edge of the first fan-shaped hanging plate at equal intervals along the direction of the straight edge; the method is characterized by comprising the following steps of:
the first step, hanging an upper hardware fitting on a ground wire hanging bracket, and hanging a first fan-shaped hanging plate at the lower end of the upper hardware fitting through a top hanging hole; a first shaft sleeve is movably arranged in the strip-shaped arc-shaped through hole, and the upper end of the lower hardware fitting is connected with the first shaft sleeve through a pin shaft; a ground wire is arranged in the ground wire clamp, and the lower end of the lower hardware fitting is connected with the ground wire clamp;
secondly, when the ground wire hanging bracket inclines to the left along with the ground subsidence, the first shaft sleeve also moves to the left along the long-strip-shaped arc-shaped through hole, so that the effect that the first fan-shaped hanging plate moves along with the inclination of the tower and the lower hardware fitting and the ground wire clamp connected with the lower hardware fitting are basically motionless is realized;
and thirdly, after the ground subsides stably, according to the distance between the lower end hanging point of the upper hardware fitting and the upper end hanging point of the lower hardware fitting, after the first fan-shaped hanging plate is disassembled, the lower end of the upper hardware fitting is hung in the right adjusting hanging hole, and the upper end of the lower hardware fitting is hung in the left adjusting hanging hole after the first fan-shaped hanging plate is vertically arranged.
The invention can realize the automatic balance of uneven transverse tension of the ground wire in a certain tower inclination range, can intuitively reflect the inclination degree of the tower, greatly reduce the occurrence of critical defects such as tower head deformation, hardware fitting breaking and the like, and ensures the safe and stable operation of the power transmission line.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
fig. 2 is a schematic structural view of a first fan-shaped hanging plate 2 of the present invention;
FIG. 3 is a schematic view of the structure of the present invention when the tower is tilted;
FIG. 4 is a schematic view of the structure of the present invention after the tower is tilted and the tilt condition is stabilized;
fig. 5 is a schematic view of the structure of the present invention in the case where tilting in the right-left or front-rear direction occurs in the tower.
Description of the embodiments
The invention is described in detail below with reference to the attached drawing figures:
the ground wire hanging point connecting mechanism comprises a ground wire hanging bracket at the top end of a transmission tower, a ground wire 10 and a first fan-shaped hanging plate 2, wherein a top hanging hole 3 is formed at the intersection of two straight line sides of the first fan-shaped hanging plate 2, and a strip-shaped arc through hole 6 is formed at the inner side of an arc side of the first fan-shaped hanging plate 2; the upper hardware fitting 1 is hung on a ground wire hanging bracket, the lower end of the upper hardware fitting 1 is hung with a top end hanging hole 3 on a first fan-shaped hanging plate 2, a first shaft sleeve 7 is movably arranged in a long-strip-shaped arc-shaped through hole 6, the upper end of a lower hardware fitting 8 is connected with the first shaft sleeve 7 through a pin shaft, the lower end of the lower hardware fitting 8 is connected with a ground wire clamp 9, and a ground wire 10 is arranged in the ground wire clamp 9; aiming at a transmission tower in a geological active area, the grounding wire hanging mechanism can be adopted to connect the grounding wire with the tower body, and in the process of tilting the tower, the first shaft sleeve 7 is dynamically adjusted on the adjusting track of the strip-shaped arc-shaped through hole 6, so that the tension on two sides of the grounding wire clamp 9 is basically balanced, and the critical situations that the tower head is deformed and the connecting hardware fitting is broken due to the fact that the tower head is pulled by the grounding wire are effectively avoided; in addition, ground inspection personnel can also judge the inclination of shaft tower through the position of first axle sleeve 7 in rectangular form arc through-hole 6.
Left adjusting hanging holes 4 are formed in the inner side of the left straight edge of the first fan-shaped hanging plate 2 at equal intervals along the direction of the straight edge; right adjusting hanging holes 5 are formed in the inner side of the right straight edge of the first fan-shaped hanging plate 2 at equal intervals along the direction of the straight edge; when the inclination degree of the tower is not changed any more, the distance between the first shaft sleeve 7 and the lower end of the upper hardware fitting 1 can be selected and determined according to the distance between the left adjusting hanging hole 4 and the right adjusting hanging hole 5, then the upper end of the first fan-shaped hanging plate 2 is connected with the lower end of the upper hardware fitting 1 and removed, meanwhile, the upper end of the lower hardware fitting 8 is removed and connected with the first shaft sleeve 7, the removed first fan-shaped hanging plate 2 is rotated by a certain angle, the left adjusting hanging hole 4 which is selected and determined is connected with the lower end of the upper hardware fitting 1, the right adjusting hanging hole 5 which is selected and determined is connected with the upper end of the lower hardware fitting 8, and after the inclination stabilization of the tower is realized, the ground wire 10 is firmly hung.
The first shaft sleeve 7 is a bearing, two parallel convex eaves are arranged on the outer ring of the bearing, the bearing is movably clamped on the strip-shaped arc-shaped through hole 6 through the two convex eaves, and a pin shaft connected with the lower hardware fitting 8 is connected in the inner ring of the bearing in a penetrating way; the first shaft sleeve 7 is arranged as a bearing, so that the follow-up adjustment action is more flexible and smooth when the tower tilts.
The ground wire hanging point connecting mechanism comprises a ground wire hanging bracket at the top end of a transmission tower, a ground wire 10, a first fan-shaped hanging plate 2 and a second fan-shaped hanging plate 12, wherein the structure of the first fan-shaped hanging plate 2 is identical to that of the second fan-shaped hanging plate 12; a top end hanging hole 3 is formed at the intersection of two straight sides of the first fan-shaped hanging plate 2, and a strip-shaped arc through hole 6 is formed at the inner side of the arc side of the first fan-shaped hanging plate 2; the upper hardware fitting 1 is hung on a ground wire hanging bracket, the lower end of the upper hardware fitting 1 is hung with a top end hanging hole 3 on a first fan-shaped hanging plate 2, a first shaft sleeve 7 is movably arranged in a long-strip-shaped arc-shaped through hole 6, the upper end of a middle hardware fitting 11 is connected with the first shaft sleeve 7 through a pin shaft, the lower end of the middle hardware fitting 11 is connected with a top end hanging hole on a second fan-shaped hanging plate 12, a second shaft sleeve is movably arranged in a long-strip-shaped arc-shaped through hole 13 of the second fan-shaped hanging plate 12, the upper end of a lower hardware fitting 8 is connected with the second shaft sleeve through a second pin shaft, the lower end of the lower hardware fitting 8 is connected with a ground wire clamp 9, and a ground wire 10 is arranged in the ground wire clamp 9; the first fan-shaped hanging plate 2 and the second fan-shaped hanging plate 12 are arranged perpendicular to each other; the first fan-shaped hanging plate 2 for adjusting the unbalanced tension of the overhead ground wire, which is provided by the invention, is also used as a category of connecting hardware fitting, and can be widely applied to the connection of the overhead ground wire of the goaf pole tower, so as to relieve the conditions of tower head deformation and hardware fitting damage caused by sudden stress of the overhead ground wire; two fan-shaped hanging plates which are perpendicular to each other and are connected in series are arranged, so that the inclination of the tower in all directions can be dealt with, and the unbalanced tension on the ground wire can be adjusted in four directions; three or more fan-shaped hanging plates can be connected in series, and the design ideas belong to the protection scope of the invention.
The ground wire hanging point connection method capable of adjusting unbalanced tension of the overhead ground wire in a follow-up mode comprises a ground wire hanging support, a ground wire 10 and a first fan-shaped hanging plate 2 at the top end of a power transmission tower, wherein a top end hanging hole 3 is formed at the intersection of two straight line sides of the first fan-shaped hanging plate 2, a strip-shaped arc through hole 6 is formed in the inner side of an arc-shaped side of the first fan-shaped hanging plate 2, and left adjusting hanging holes 4 are formed in the inner side of a left straight line side of the first fan-shaped hanging plate 2 at equal intervals along the trend direction of the straight line side; right adjusting hanging holes 5 are formed in the inner side of the right straight edge of the first fan-shaped hanging plate 2 at equal intervals along the direction of the straight edge; the method is characterized by comprising the following steps of:
the first step, hanging the upper hardware fitting 1 on a ground wire hanging bracket, and hanging the first fan-shaped hanging plate 2 at the lower end of the upper hardware fitting 1 through a top hanging hole 3; a first shaft sleeve 7 is movably arranged in the strip-shaped arc-shaped through hole 6, and the upper end of the lower hardware fitting 8 is connected with the first shaft sleeve 7 through a pin shaft; a ground wire 10 is arranged in the ground wire clamp 9, and the lower end of the lower hardware fitting 8 is connected with the ground wire clamp 9;
secondly, when the ground wire hanging bracket inclines to the left along with the subsidence of the ground, the first shaft sleeve 7 also moves to the left along the long-strip-shaped arc-shaped through hole 6, so that the effect that the first fan-shaped hanging plate 2 moves along with the inclination of the tower and the lower hardware fitting 8 and the ground wire clamp 9 connected with the lower hardware fitting basically do not move is realized;
thirdly, after the ground subsides stably, according to the distance between the lower end hanging point of the upper hardware fitting 1 and the upper end hanging point of the lower hardware fitting 8, after the first fan-shaped hanging plate 2 is disassembled, the lower end of the upper hardware fitting 1 is hung in the right adjusting hanging hole 5, and the upper end of the lower hardware fitting 8 is hung in the left adjusting hanging hole 4 after the first fan-shaped hanging plate 2 is vertically arranged;
after settling is stable, the hanging mode of the two fan-shaped hanging plates can be changed, and the adjusting hanging holes on the two sides of the fan-shaped hanging plates are fully utilized, so that the ground wire is firmly hung.
Claims (2)
1. The ground wire hanging point connecting mechanism is characterized in that a top hanging hole (3) is formed in the intersection of two straight sides of the first fan-shaped hanging plate (2), and a strip-shaped arc-shaped through hole (6) is formed in the inner side of an arc-shaped side of the first fan-shaped hanging plate (2); the upper hardware fitting (1) is hung on the ground wire hanging support, the lower end of the upper hardware fitting (1) is hung with a top hanging hole (3) on the first fan-shaped hanging plate (2), a first shaft sleeve (7) is movably arranged in the long-strip-shaped arc-shaped through hole (6), the upper end of the lower hardware fitting (8) is connected with the first shaft sleeve (7) through a pin shaft, the lower end of the lower hardware fitting (8) is connected with a ground wire clamp (9), and a ground wire (10) is arranged in the ground wire clamp (9); left adjusting hanging holes (4) are formed in the inner side of the left straight line side of the first fan-shaped hanging plate (2) at equal intervals along the direction of the straight line side, and right adjusting hanging holes (5) are formed in the inner side of the right straight line side of the first fan-shaped hanging plate (2) at equal intervals along the direction of the straight line side; after the ground subsides stably: the lower end of the upper hardware fitting (1) is hung in the right adjusting hanging hole (5), and the upper end of the lower hardware fitting (8) is hung in the left adjusting hanging hole (4), so that the ground wire (10) is firmly hung.
2. The ground wire hanging point connecting mechanism capable of effectively resisting the inclination of a transmission tower according to claim 1, wherein the first shaft sleeve (7) is a bearing, two parallel convex eaves are arranged on the outer ring of the bearing, the bearing is movably clamped on the strip-shaped arc-shaped through hole (6) through the two convex eaves, and a pin shaft for connecting a lower hardware fitting (8) is connected in the inner ring of the bearing in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310052871.7A CN115800152B (en) | 2023-02-03 | 2023-02-03 | Ground wire hanging point connecting mechanism capable of effectively resisting inclination of transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310052871.7A CN115800152B (en) | 2023-02-03 | 2023-02-03 | Ground wire hanging point connecting mechanism capable of effectively resisting inclination of transmission tower |
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| Publication Number | Publication Date |
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| CN115800152A CN115800152A (en) | 2023-03-14 |
| CN115800152B true CN115800152B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310052871.7A Active CN115800152B (en) | 2023-02-03 | 2023-02-03 | Ground wire hanging point connecting mechanism capable of effectively resisting inclination of transmission tower |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8600703U1 (en) * | 1986-01-14 | 1986-04-17 | Delta Avia Fluggeräte GmbH, 56299 Ochtendung | Transport and distribution buckets |
| WO1997007579A1 (en) * | 1995-08-18 | 1997-02-27 | Oy Envo Ab | Suspension clamp for hanging the wires of high-voltage open cables on a support structure |
| JP2014054075A (en) * | 2012-09-07 | 2014-03-20 | Tokyo Electric Power Co Inc:The | Ground wire suspension device |
| CN214379995U (en) * | 2020-11-05 | 2021-10-08 | 中国能源建设集团陕西省电力设计院有限公司 | Duplex double-hanging-point independent double-string ground wire suspension string |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106848967B (en) * | 2017-01-10 | 2018-07-17 | 中国电力技术装备有限公司郑州电力设计院 | A kind of transmission line tangent tower unbalanced tensile force self-balancing gold utensil and its application method |
| CN106848969B (en) * | 2017-02-28 | 2018-05-29 | 国网山西省电力公司晋城供电公司 | Shaft tower grounded-line tension release device |
| CN206673535U (en) * | 2017-05-03 | 2017-11-24 | 中国电力工程顾问集团西南电力设计院有限公司 | A kind of scissors crossing double hanging point two-wire presss from both sides ground wire suspension string |
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2023
- 2023-02-03 CN CN202310052871.7A patent/CN115800152B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8600703U1 (en) * | 1986-01-14 | 1986-04-17 | Delta Avia Fluggeräte GmbH, 56299 Ochtendung | Transport and distribution buckets |
| WO1997007579A1 (en) * | 1995-08-18 | 1997-02-27 | Oy Envo Ab | Suspension clamp for hanging the wires of high-voltage open cables on a support structure |
| JP2014054075A (en) * | 2012-09-07 | 2014-03-20 | Tokyo Electric Power Co Inc:The | Ground wire suspension device |
| CN214379995U (en) * | 2020-11-05 | 2021-10-08 | 中国能源建设集团陕西省电力设计院有限公司 | Duplex double-hanging-point independent double-string ground wire suspension string |
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| CN115800152A (en) | 2023-03-14 |
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