CN109638720B - Spanning device of power transmission line - Google Patents
Spanning device of power transmission line Download PDFInfo
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- CN109638720B CN109638720B CN201910090727.6A CN201910090727A CN109638720B CN 109638720 B CN109638720 B CN 109638720B CN 201910090727 A CN201910090727 A CN 201910090727A CN 109638720 B CN109638720 B CN 109638720B
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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 discloses a crossing device of a power transmission line, which comprises a crossing frame, wherein the lower end of the crossing frame is provided with a base, the base comprises an inserting sleeve, a mounting plate, a support frame, a rotating device, lifting legs and a connecting piece, the rotating device connected with the supporting frame is arranged in the support frame, the upper end of the rotating device is provided with the mounting plate, one end of the mounting plate is connected with the rotating device through the connecting piece, the mounting plate is connected with the rotating device through a first threaded rod, the two sides of the mounting plate are provided with the lifting legs, the inserting sleeve is arranged on the upper end surface of the mounting plate, the lower end of the crossing frame is provided with an inserting column, and the inserting column is connected with the inserting. The base is angle adjustable, has solved and has built the slope of back crossing structure and rebuild the problem that expends time and financial resources, can come to fix the base according to the topography, has solved the topography when unevenness need be under construction earlier and has dug the problem on flat ground, has saved a large amount of manpower and materials and financial resources.
Description
Technical Field
The invention relates to the technical field of construction of power transmission lines, in particular to a crossing device of a power transmission line.
Background
When the power transmission lines are arranged in an overhead manner, the power transmission lines sometimes need to cross over expressways, railways, power transmission lines and the like, so that crossing frames need to be erected, a protection net is pulled between the crossing frames, the power transmission lines pass through the upper portion of the protection net, and the protection of the power transmission lines in the arrangement process is realized through the protection net.
The construction period of the spanning frame is long, the height of the spanning frame can reach about 10-30m generally, the base of the spanning frame is fixed, and the base needs to be arranged and fixed again if the angle is adjusted after the base is fixed on the ground, so that the base is difficult to adjust if the frame body is inclined when the spanning frame is constructed, the spanning frame can only be constructed again, and manpower and time are consumed; and when the ground is uneven, the ground needs to be dug and arranged, and a large amount of financial resources and material resources are consumed.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the crossing device of the power transmission line, the base is angle-adjustable, the adjustment of the position and the angle of the base is realized before the crossing frame is installed, the smoothness of the installation work and the construction safety are ensured, and the problem that the crossing frame is inclined and rebuilt after being built and consumes time and financial resources is solved; in addition, the device can adapt to different terrains, can fix the base according to the terrains, guarantees the verticality of the crossing frame by adjusting the mounting plate, solves the problem that the ground needs to be constructed and leveled when the terrains are uneven, and saves a large amount of manpower, material resources and financial resources.
In order to realize the purpose, the invention provides the following technical scheme:
the utility model provides a crossing device of transmission line, includes the crossing structure, the lower extreme of crossing structure is equipped with the base, the base is including plug bush, mounting panel, support frame, rotary device, lift leg, connecting piece, the support frame is the rectangular frame structure, be equipped with the rotary device rather than being connected in the support frame, rotary device's upper end is equipped with the mounting panel, the one end of mounting panel is passed through the connecting piece and is connected with rotary device, the mounting panel be connected with rotary device through first threaded rod, the both sides of mounting panel are equipped with the lift leg, the outside of support frame is located to the lift leg, the up end of mounting panel is located to the plug bush, the lower extreme of crossing structure is equipped with the grafting post, the grafting post is connected with the plug bush.
Preferably, the rotating device comprises a first rotating plate, a second rotating plate, a rotating shaft and a supporting rod, the first rotating plate and the second rotating plate are vertically connected to form an angle steel structure, the second connecting plate and the supporting rod are connected through the rotating shaft, a shaft hole is formed in the inner side of the supporting frame, and the end portion of the rotating shaft is matched with the shaft hole.
Preferably, the two sides of the upper end of the supporting rod are both provided with connecting pieces, the two ends of the first rotating plate are both provided with connecting holes, the connecting holes are of a bar-shaped structure, one side of the lower end face of the mounting plate is connected with the connecting pieces, one side of the mounting plate, which is far away from the connecting pieces, is provided with a first threaded rod, the first threaded rod is matched with the connecting holes, the first threaded rod is provided with an upper nut and a lower nut, the upper nut is arranged at the upper end of the mounting plate, and the lower nut is arranged at.
Preferably, a rotating drum is arranged on one side of the second connecting plate, the rotating drum is arranged below the first connecting plate, and the rotating drum is matched with the rotating shaft.
Preferably, the lifting leg comprises a second threaded rod, a supporting cylinder and a fixed block, a connecting column is arranged at the upper end of the fixed block, the lower end of the supporting cylinder is matched with the connecting column, the second threaded rod is in threaded fit with the upper end of the supporting cylinder, a connecting rod is arranged at the side end of the mounting plate and is arranged between the first rotating plate and the supporting rod, and the connecting rod is connected with the upper end of the second threaded rod.
Preferably, the side wall of the supporting cylinder is provided with a rotating handle.
Preferably, the connecting piece includes commentaries on classics piece, bottom plate, backup pad, the both ends of bottom plate are equipped with the backup pad perpendicularly, bottom plate and bracing piece bolted connection, the commentaries on classics piece is located between two backup pads, and the both ends of commentaries on classics piece are passed through the connecting axle and are rotated with the backup pad and be connected, the upper end of commentaries on classics piece is equipped with the connecting plate, the lower terminal surface bolted connection of connecting plate and mounting panel.
Preferably, a limiting block connected with the bottom plate is arranged between the two supporting plates.
Preferably, the inserting sleeve comprises a sleeve and a fixed plate, the fixed plate is connected with the upper end face of the mounting plate, the sleeve is vertically arranged in the middle of the upper end of the fixed plate, the inserting column is inserted into the sleeve, the inserting column is connected with the sleeve through a bolt, and a reinforcing rib is arranged between the sleeve and the fixed plate.
Preferably, the outer sides of the four corners of the support frame are provided with locking plates, and the locking plates are provided with ground nails.
Compared with the prior art, the invention has the beneficial effects that:
1. the base is adjustable in angle, after the supporting frame is fixed, the lifting legs are used for adjusting the longitudinal angle between the mounting plate and the rotating device, the rotating device and the mounting plate are integrally adjusted in transverse angle, the mounting plate is horizontally arranged, the crossing frame is guaranteed to be vertical after being mounted, the position and the angle of the base are adjusted before the crossing frame is mounted, the smoothness of mounting work and construction safety are guaranteed, and the problem that time and financial resources are consumed for obliquely reconstructing the crossing frame after being built is solved; in addition, the device can adapt to different terrains, the base can be fixed according to the terrains, the erection of the crossing frame is guaranteed through adjusting the mounting plate, the problem that the ground needs to be constructed and leveled first when the terrains are uneven is solved, a large amount of manpower, material resources and financial resources are saved, the crossing device is high in building speed, reliable in building, convenient to use, time is saved for engineering, and cost is reduced.
2. One end of the mounting plate is rotatably connected with the supporting rod through the connecting piece, and the other end of the mounting plate is matched and fixed with the first connecting plate through the first threaded rod.
3. According to the invention, the rotary drum is arranged on one side of the second connecting plate and is matched with the rotating shaft, so that the matching area of the second connecting plate and the rotating shaft can be increased, and the firmness and reliability of connection are ensured.
4. The lifting leg realizes height adjustment through the matching of the second threaded rod and the supporting barrel, and can meet the supporting strength, ensure the supporting firmness of the middle part of the mounting plate and ensure the supporting safety; the side wall of the supporting cylinder is provided with the rotating handle, so that the adjusting and the using are convenient.
5. The connecting piece can be connected with the mounting plate and fixedly supported, and can realize angle adjustment.
6. The lower end of the crossing frame is inserted into the inserting sleeve and fixed by the bolts, so that the crossing frame is simple in installation mode, convenient to assemble and disassemble, capable of saving construction time and capable of reducing labor cost.
7. The ground nails are arranged around the support frame, and the periphery of the support frame is fixed through the ground nails, so that the firmness of fixation is improved, and the use is safer.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a portion of the structure of the spanning frame;
FIG. 3 is a schematic perspective view of a base;
FIG. 4 is a left side view of the base;
FIG. 5 is an enlarged view of FIG. 4;
FIG. 6 is a schematic structural view of the supporting frame;
FIG. 7 is a schematic view of the structure of the support frame engaged with the rotating device;
FIG. 8 is a schematic structural view of a rotating device;
FIG. 9 is a schematic view of the structure of the support plate cooperating with the rotating device;
fig. 10 is a schematic structural view of the connector.
In the figure: 1-spanning frame; 101-a plug column; 2-a base; 3-inserting a sleeve; 301-a sleeve; 302-reinforcing ribs; 303-a fixed plate; 4-mounting a plate; 401-connecting rod; 402-a first threaded rod; 403-upper nut; 404-lower nut; 5-a support frame; 501-ground nail; 502-a locking plate; 503-axle hole; 6-a rotating device; 601-a first rotating plate; 602-connecting hole; 603-a second rotating plate; 604-a rotating drum; 605-a rotating shaft; 606-support bars; 7-lifting legs; 701-a second threaded rod; 702-a rotating handle; 703-a support cylinder; 704-connecting column; 705-fixed block; 8-a connector; 801-connecting plates; 802-rotating block; 803-bottom plate; 804-a limiting block; 805-a support plate; 806-connecting shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below 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, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the first embodiment, the first step is,
the utility model provides a crossing device of transmission line, includes crossing structure 1, the lower extreme of crossing structure 1 is equipped with base 2, base 2 is including plug bush 3, mounting panel 4, support frame 5, rotary device 6, lift leg 7, connecting piece 8, support frame 5 is the rectangular frame structure, be equipped with the rotary device 6 rather than being connected in the support frame 5, rotary device 6's upper end is equipped with mounting panel 4, the one end of mounting panel 4 is passed through connecting piece 8 and is connected with rotary device 6, mounting panel 4 is connected with rotary device 6 through first threaded rod 402, the both sides of mounting panel 4 are equipped with lift leg 7, the outside of support frame 5 is located to lift leg 7, plug bush 3 locates the up end of mounting panel 4, the lower extreme of crossing structure 1 is equipped with grafting post 101, grafting post 101 is connected with plug bush 3.
In order to realize connection with the support frame 5 and angle adjustment through rotation, the rotating device 6 comprises a first rotating plate 601, a second rotating plate 603, a rotating shaft 605 and a support rod 606, the first rotating plate 601 and the second rotating plate 603 are vertically connected to form an angle steel structure, the second connecting plate 603 is connected with the support rod 606 through the rotating shaft 605, a shaft hole 503 is formed in the inner side of the support frame 5, and the end of the rotating shaft 605 is matched with the shaft hole 503.
In order to realize the angle adjustment of the mounting plate 4 on the rotating device 6, the two sides of the upper end of the support rod 606 are both provided with connecting pieces 8, the two ends of the first rotating plate 601 are both provided with connecting holes 602, the connecting holes 602 are of a bar structure and are convenient to adjust and cooperate, one side of the lower end face of the mounting plate 4 is connected with the connecting pieces 8, one side of the mounting plate 4, which is far away from the connecting pieces 8, is provided with a first threaded rod 402, the first threaded rod 402 is matched with the connecting holes 602, the first threaded rod 402 is provided with an upper nut 403 and a lower nut 404, the upper nut 403 is arranged at the upper end of the mounting plate 4, and the lower.
The rotating drum 604 is arranged on one side of the second connecting plate 603, the rotating drum 604 is arranged below the first connecting plate 601, and the rotating drum 604 is matched with the rotating shaft 605, so that the matching area of the second connecting plate and the rotating shaft can be increased, and the firmness and reliability of connection are ensured.
In order to facilitate adjustment, the lifting leg 7 comprises a second threaded rod 701, a supporting cylinder 703 and a fixed block 705, the upper end of the fixed block 705 is provided with a connecting column 704, the lower end of the supporting cylinder 703 is matched with the connecting column 704, the second threaded rod 701 is in threaded fit with the upper end of the supporting cylinder 703, the side end of the mounting plate 4 is provided with a connecting rod 401, the connecting rod 401 is arranged between the first rotating plate 601 and the supporting rod 606, the connecting rod 401 is connected with the upper end of the second threaded rod 701, and the side wall of the fixing block 703 is provided with a rotating handle 702.
The connecting piece 8 comprises a rotating block 802, a bottom plate 803 and supporting plates 805, wherein the supporting plates 805 are vertically arranged at two ends of the bottom plate 803, the bottom plate 803 is connected with the supporting rod 606 through bolts, the rotating block 802 is arranged between the two supporting plates 805, two ends of the rotating block 802 are rotatably connected with the supporting plates 805 through connecting shafts 806, a connecting plate 801 is arranged at the upper end of the rotating block 802, the connecting plate 801 is connected with the lower end face of the mounting plate 4 through bolts, and a limiting block 804 connected with the bottom plate 803 is arranged between the two supporting plates 805.
The connecting piece 8 can connect the mounting panel 4 and the fixed stay on the one hand, and on the other hand can realize the regulation of angle, sets up stopper 804 on bottom plate 803, can inject the rotation angle of commentaries on classics piece 802, guarantees that the rotation angle can not surpass the scope that the base can support, ensures safe, reliable that uses.
The plug bush 3 comprises a sleeve 301 and a fixing plate 303, the fixing plate 303 is connected with the upper end face of the mounting plate 4, the sleeve 301 is perpendicularly arranged in the middle of the upper end of the fixing plate 303, the plug column 101 is plugged into the sleeve 301, the plug column 101 is connected with the sleeve 301 through a bolt, a reinforcing rib 302 is arranged between the sleeve 301 and the fixing plate 303, the mounting mode is simple, the mounting and dismounting are convenient, the construction time is saved, and the labor cost is reduced.
During installation, the base 2 is fixed on the ground, the support frame 5 is in close contact with the ground to prevent sliding and inclination, the angle between the mounting plate 4 and the rotating device 6 is adjusted by adjusting the upper nut 403 and the lower nut 404, the support cylinder 703 is rotated by rotating the rotating handle 702, the mounting plate 4 is adjusted horizontally, the fixing block 705 is propped against the ground to fix the angle of the rotating device 6, the spanning frame 1 can be a manufactured integrated structure, the spanning frame is hoisted by a crane, the inserting column 101 at the lower end of the spanning frame is inserted into the sleeve 301 and is fixed by a bolt, the spanning frame can also be spliced on site for single splicing small joints, the inserting column 101 is welded at the bottom of the lowest splicing small joint, the lowest splicing small joint is connected and fixed with the sleeve 301 through the inserting column 101, and then the splicing is sequentially performed upwards. The base 2 is angle-adjustable, after the support frame 5 is fixed, the longitudinal angle between the mounting plate 4 and the rotating device 6 is adjusted, the lifting legs 7 are utilized to perform transverse angle adjustment on the rotating device 6 and the mounting plate 4 integrally, the mounting plate 4 is horizontally arranged, the crossing frame 1 is ensured to be vertical after being mounted, the adjustment on the position and the angle of the base 2 is realized before the crossing frame 1 is mounted, the smoothness of mounting work and construction safety are ensured, and the problem that the crossing frame is built and inclined reconstruction consumes time and financial resources is solved; in addition, the device can adapt to different terrains, the base can be fixed according to the terrains, the erection of the crossing frame is guaranteed through adjusting the mounting plate, the problem that the ground needs to be constructed and leveled first when the terrains are uneven is solved, a large amount of manpower, material resources and financial resources are saved, the crossing device is high in building speed, reliable in building, convenient to use, time is saved for engineering, and cost is reduced.
In the second embodiment, the first embodiment of the method,
in order to further increase the firmness of the base, ground nails 501 are arranged around the support frame 5.
The outside of four edges of support frame 5 all is equipped with jam plate 502, be equipped with ground nail 501 on the jam plate 502, fix around support frame 5 through ground nail 501, increased fixed fastness, let use safelyr.
After the base 2 is fixed on the ground, the ground nail 501 is knocked into the ground to fix the base 2, and the rest steps are the same as those in the first embodiment.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (7)
1. The utility model provides a crossing device of transmission line, includes the crossing structure, the lower extreme of crossing structure is equipped with the base, its characterized in that: the base comprises an inserting sleeve, a mounting plate, a supporting frame, a rotating device, lifting legs and connecting pieces, the supporting frame is of a rectangular frame structure, the rotating device connected with the supporting frame is arranged in the supporting frame, the rotating device comprises a first rotating plate, a second rotating plate, a rotating shaft and supporting rods, the first rotating plate and the second rotating plate are vertically connected to form an angle steel structure, the second rotating plate is connected with the supporting rods through the rotating shaft, the inner side of the supporting frame is provided with a shaft hole, the end part of the rotating shaft is matched with the shaft hole, the upper end of the rotating device is provided with the mounting plate, the two sides of the upper end of each supporting rod are provided with the connecting pieces, the two ends of the first rotating plate are provided with connecting holes, the connecting holes are of a strip structure, each connecting piece comprises a rotating block, a bottom plate and a supporting plate, the rotary block is arranged between the two supporting plates, the two ends of the rotary block are rotatably connected with the supporting plates through connecting shafts, a connecting plate is arranged at the upper end of the rotary block, the connecting plate is connected with the lower end face of the mounting plate through bolts, a first threaded rod is arranged on one side, away from the connecting piece, of the mounting plate and matched with the connecting holes, an upper nut and a lower nut are arranged on the first threaded rod, the upper nut is arranged at the upper end of the first rotary plate, the lower nut is arranged at the lower end of the first rotary plate, lifting legs are arranged on the two sides of the mounting plate and are arranged outside the supporting frame, the upper end face of the mounting plate is arranged in the splicing sleeve, and splicing columns are arranged at the lower end of the crossing frame and.
2. A spanning device for an electric transmission line according to claim 1, wherein: and a rotary drum is arranged on one side of the second rotary plate, is arranged below the first rotary plate and is matched with the rotary shaft.
3. A spanning device for an electric transmission line according to claim 1, wherein: the lifting leg comprises a second threaded rod, a supporting barrel and a fixing block, a connecting column is arranged at the upper end of the fixing block, the lower end of the supporting barrel is matched with the connecting column, the second threaded rod is in threaded fit with the upper end of the supporting barrel, a connecting rod is arranged at the side end of the mounting plate and is arranged between the first rotating plate and the supporting rod, and the connecting rod is connected with the upper end of the second threaded rod.
4. A spanning device for a transmission line according to claim 3, wherein: and a rotating handle is arranged on the side wall of the supporting cylinder.
5. A spanning device for an electric transmission line according to claim 1, wherein: and a limiting block connected with the bottom plate is arranged between the two supporting plates.
6. A spanning device for an electric transmission line according to claim 1, wherein: the splicing sleeve comprises a sleeve and a fixed plate, the fixed plate is connected with the upper end face of the mounting plate, the sleeve is vertically arranged in the middle of the upper end of the fixed plate, the splicing columns are spliced in the sleeve, the splicing columns are connected with the sleeve through bolts, and reinforcing ribs are arranged between the sleeve and the fixed plate.
7. A spanning device for an electric transmission line according to claim 1, wherein: the outside at four edges of support frame all is equipped with the jam plate, be equipped with the ground nail on the jam plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090727.6A CN109638720B (en) | 2019-01-30 | 2019-01-30 | Spanning device of power transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910090727.6A CN109638720B (en) | 2019-01-30 | 2019-01-30 | Spanning device of power transmission line |
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| Publication Number | Publication Date |
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| CN109638720A CN109638720A (en) | 2019-04-16 |
| CN109638720B true CN109638720B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910090727.6A Active CN109638720B (en) | 2019-01-30 | 2019-01-30 | Spanning device of power transmission line |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016927B (en) * | 2019-05-13 | 2023-10-31 | 应舍美居(深圳)科技有限公司 | Ground fixing system |
| CN112227801B (en) * | 2020-08-24 | 2024-02-06 | 国家电网有限公司 | Portable insulating crossing frame for 10kV overhead line |
| CN112550395B (en) * | 2020-10-28 | 2021-12-10 | 国网山东省电力公司菏泽市定陶区供电公司 | Underground power pipeline moving and transporting device |
| CN113277421A (en) * | 2021-06-09 | 2021-08-20 | 安徽送变电工程有限公司 | Line turning crossing device based on crane |
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| SE520352C2 (en) * | 2002-02-08 | 2003-07-01 | Efab Erik Frisell Ab | Stand |
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| CN203797270U (en) * | 2013-12-18 | 2014-08-27 | 福建联迪商用设备有限公司 | Angle adjustable type fixed base |
| CN105665992A (en) * | 2016-03-23 | 2016-06-15 | 绍兴文理学院 | Rotatable high-precision parallel-connection thin sheet flexible clamp |
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| CN109638720A (en) | 2019-04-16 |
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