CN108533052B - Adjustable power transmission supporting structure for continuous large deformation area of foundation - Google Patents
Adjustable power transmission supporting structure for continuous large deformation area of foundation Download PDFInfo
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- CN108533052B CN108533052B CN201810362011.2A CN201810362011A CN108533052B CN 108533052 B CN108533052 B CN 108533052B CN 201810362011 A CN201810362011 A CN 201810362011A CN 108533052 B CN108533052 B CN 108533052B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/02—Structures made of specified materials
- E04H12/08—Structures made of specified materials of metal
- E04H12/10—Truss-like structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/22—Sockets or holders for poles or posts
- E04H12/2253—Mounting poles or posts to the holder
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The invention discloses an adjustable power transmission supporting structure for a continuous large deformation area of a foundation, belonging to the field of power transmission equipment. The invention adopts the omnibearing long and short legs which can be matched with the actual terrain; the steel pipe truss structure and the double-layer transverse partition surface are adopted, so that the capacity of resisting the deformation of the ground surface is enhanced, and meanwhile, the double-layer transverse partition surface is of a statically indeterminate structure, so that partition surface components are convenient to adjust; the invention adopts the adjustable spherical support, the single-hinge joint and the adjustable telescopic structure, the local watch deforms, and the terrain after change can be adapted by adjusting the length and the angle of the leg part. The invention effectively solves the problem that the existing line passes through areas which are easy to generate ground surface deformation, such as mining influence areas, earthquake areas and the like.
Description
Technical Field
The invention belongs to the field of power transmission equipment, and particularly relates to an adjustable power transmission supporting structure for a continuous large deformation area of a foundation.
Background
With the development of national economy, corridor channels are increasingly narrow, land occupation ratios of mountains and mountains are increasingly higher, and a large number of high-voltage transmission engineering lines pass through areas which are easy to deform in ground surfaces, such as mining affected areas and earthquake areas. The deformation of the earth surface can cause uneven settlement of the foundation, foundation root opening change and the like, further cause the inclination, movement and deformation of the upper iron tower, change the working state and the bearing performance of the upper iron tower, seriously cause structural damage and overall collapse, and cause serious life and property loss.
At present, a large protection plate foundation scheme is adopted when a line passes through areas which are easy to deform the ground surface, such as mining influence areas, earthquake areas and the like. Although the scheme is widely applied to engineering, the following problems exist: 1. when the terrain is mountainous, mountain and green, the amount of the base surface is huge, which is not beneficial to environmental protection; permanent side slopes with the length of more than 5m are formed frequently, and if the earth surface deforms, collapse risks exist, and the safety of the power transmission line is threatened. 2. If the root of the iron tower is changed due to the deformation of the earth surface, the adjustment is difficult.
Disclosure of Invention
The invention aims to: the adjustable power transmission supporting structure for the continuous large deformation area of the foundation is stronger in ground surface deformation resistance, and can be effectively adapted to the continuous large deformation of the foundation through simple adjustment.
The purpose of the invention is realized by the following technical scheme:
an adjustable power transmission supporting structure for a foundation continuous large deformation area comprises an upper power transmission iron tower connecting piece, a double-layer transverse partition surface structure, a leg structure and a foundation connecting piece; the double-layer cross partition surface structure is positioned between the power transmission iron tower and the leg structure, is an statically indeterminate structure and consists of a cross beam and a supporting member, the two layers of cross partition surfaces are connected through a vertical steel pipe main material and a crossed auxiliary material, and the interlayer distance is 1-2 m; the upper power transmission iron tower connecting piece enables a power transmission iron tower foot plate to be connected with a steel pipe main material of a double-layer cross partition structure through a rigid flange; the leg structure comprises vertical main materials and inclined oblique materials, the main oblique materials are connected and supported through auxiliary materials, and the height of the leg structure is 5-15 m; the main material of the leg structure is provided with an adjustable spherical support, and the oblique material of the leg structure is provided with a single hinge joint and an adjustable telescopic structure; the adjustable spherical support is respectively arranged at the top end of the main material and connected with the main material of the steel pipe with the double-layer transverse partition surface structure, the adjustable spherical support is arranged at the bottom end of the main material and forms a foundation connecting piece with the bottom adjustable support, and the foundation connecting piece is connected with a main material flange and a foundation of the leg structure; the adjustable spherical support comprises a spherical support and a flange base plate for converting the spherical support between a rigid node and a spherical hinge node; the single hinge node is respectively arranged at the top end and the bottom end of the oblique material, and the adjustable telescopic structure is arranged between the two single hinge nodes.
In the invention, the rigid flange of the upper power transmission iron tower connecting piece can be suitable for power transmission iron towers of various specifications, and the application range is wide; the double-layer transverse partition surface structure with the statically indeterminate structure can realize double insurance, and the safety coefficient is greatly improved; the specially designed leg structure can adapt to the deformation of the ground surface by adjusting the length and the angle of the leg.
Optionally, the spherical support of the adjustable spherical support comprises an upper support plate, a lower support plate, a spherical crown lining plate and a spherical sliding plate, the spherical crown lining plate is arranged between the upper support plate above and the lower support plate below, the spherical sliding plate is arranged between the lower surface of the spherical crown lining plate and the lower support plate, and the spherical crown lining plate and the lower support plate can slide relative to a spherical surface through the spherical sliding plate; leave round installation space between the upper bracket board and the bottom suspension bedplate of spherical crown welt periphery, the flange backing plate of loop configuration locates in this circle installation space and restricts the relative swing between upper bracket board and the bottom suspension bedplate, and it is fixed to dismantle the connection through a plurality of connecting bolt along this circle installation space setting between upper bracket board and the bottom suspension bedplate, and connecting bolt passes upper bracket board, flange backing plate and bottom suspension bedplate.
As a further option, the spherical cap lining plate further comprises a plane sliding plate, the plane sliding plate is arranged between the upper support plate and the upper surface of the spherical cap lining plate, and the upper support plate and the spherical cap lining plate can horizontally slide relatively through the plane sliding plate. In the scheme, a plane sliding plate can be further arranged to realize the relative horizontal sliding between the upper support plate and the spherical crown lining plate.
As another further option, the flange backing plate is formed by splicing 2 semicircular rings, and a circle of bolt holes for connecting bolts to penetrate through are formed in the inner ring of the flange backing plate.
Optionally, after the flange base plate is removed from the adjustable spherical support, the rigid node is changed into a spherical hinge node, and the adjusting range is 0-0.06 rad; after the flange base plate is installed, the flange base plate is changed into a rigid node from a spherical hinge node.
In the scheme, the adjustable spherical support is skillfully designed to serve as a rigid node before the terrain is not deformed, the rigid node is changed into a spherical hinge node after the flange base plate is taken down after the terrain is deformed, and the angle is adjusted; after the adjustment is finished, the flange base plate is arranged, the flange base plate is changed into a rigid node from a spherical hinge node, and the adjusted angle is fixed. If the angle changes, the flange backing plate is correspondingly replaced.
Optionally, the single-hinge joint arranged on the diagonal member of the leg structure is formed by connecting the diagonal member and the joint plate by using a high-strength bolt.
Alternatively, the adjustable telescopic structure arranged on the diagonal member of the leg structure is an independent steel pipe section which is easy to replace. In this scheme, when needing to adjust change for the steel pipe section of corresponding length can.
Optionally, the length of the diagonal member of the adjustable telescopic structure arranged on the diagonal member of the leg structure is adjusted within a range of-0.5 to 2 m.
Optionally, when the height adjusting range of the bottom adjustable support of the foundation connecting piece is-0.2 m, the bottom adjustable support is formed by overlapping a plurality of base plates, and the foundation connecting piece is connected with a main material flange of the leg structure through the lengthened foundation bolt.
Alternatively, when the height adjusting range of the bottom adjustable support of the foundation connecting piece exceeds 0.2m, the bottom adjustable support is of a steel pipe structure.
In the scheme, the height of the leg can be adjusted by changing the height and the number of the base plates through the base connecting pieces, the adjusting range is-0.2 m, and when the heightened height exceeds 0.2m, the base plates are changed into steel pipe structures with high rigidity.
The main scheme and each further selected scheme of the invention can be freely combined to form a plurality of schemes which are adopted and claimed by the invention; in the invention, the selection (each non-conflict selection) and other selections can be freely combined. The skilled person in the art can understand that there are many combinations, which are all the technical solutions to be protected by the present invention, according to the prior art and the common general knowledge after understanding the scheme of the present invention, and the technical solutions are not exhaustive herein.
The invention has the beneficial effects that: the invention adopts the omnibearing long and short legs which can be matched with the actual terrain; the steel pipe truss structure and the double-layer cross partition surface are adopted, so that the capacity of resisting the deformation of the earth surface is enhanced, and meanwhile, the double-layer cross partition surface is of a hyperstatic structure, so that the partition surface component is convenient to adjust; the invention adopts the adjustable spherical support, the single-hinge joint and the adjustable telescopic structure, the local watch deforms, and the terrain after change can be adapted by adjusting the length and the angle of the leg part. The invention effectively solves the problem that the existing line passes through areas which are easy to generate ground surface deformation, such as mining influence areas, earthquake areas and the like.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention at the time of installation.
Fig. 2 is a connection structure of a power transmission tower and the connecting piece of the invention.
FIG. 3 is a cross sectional plan view of the present invention.
Fig. 4 is a view showing the structure of a leg portion of the present invention.
Fig. 5 is a view a-a of fig. 4.
Fig. 6 is a view of the structure of a single hinge joint on the leg structure of the present invention.
Figure 7 is a block diagram of an adjustable ball bearing for a leg structure of the present invention.
FIG. 8 is a structural view of a flange backing plate on the adjustable spherical bearing of the invention.
Fig. 9 is a view of the basic connector of the present invention.
Fig. 10 is a view showing another basic connector according to the present invention.
The upper power transmission iron tower comprises an upper power transmission iron tower connecting piece 1, rigid flanges 1-1, a double-layer transverse partition surface structure 2, transverse partition surface main materials 1-2, transverse partition surface auxiliary materials 1-3, a leg structure 6, leg main materials 2-1, leg inclined materials 2-2, leg auxiliary materials 2-3, an adjustable spherical support 3, an upper support plate 3-1, a lower support plate 3-5, a spherical crown lining plate 3-3, a plane sliding plate 3-2, a spherical sliding plate 3-4, a flange lining plate 3-6, bolt holes 3-7, a single hinge joint 4, an adjustable telescopic structure 5, a foundation connecting piece 7, a lining plate 4-2, a steel pipe structure 4-1, a power transmission iron tower 8 and a foundation 9.
Detailed Description
The following non-limiting examples serve to illustrate the invention.
Referring to fig. 1, the adjustable power transmission support structure for the continuous large deformation area of the foundation comprises an upper power transmission iron tower connecting piece 1, a double-layer transverse partition structure 2, a leg structure 6 and a foundation connecting piece 7.
Referring to fig. 1 and 3, a double-layer transverse partition surface structure 2 is positioned between a power transmission iron tower 8 and a leg structure 6, is a steel pipe truss structure and is a statically indeterminate structure, and consists of cross beams and supporting members, wherein the two layers of transverse partition surfaces are connected through transverse partition surface main materials 1-2 of vertical steel pipes and transverse partition surface auxiliary materials 1-3 of crossed steel pipes, and the interlayer distance is 1-2 m; the cross partition is the most seriously affected part by the deformation of the earth surface, the double-layer steel pipe truss structure is adopted, the resistance of the double-layer steel pipe truss structure to the deformation of the earth surface can be improved, and meanwhile, the double-layer cross partition is an indeterminate structure, so that the single-layer component is damaged, the integral stress is not affected, and the double-layer steel pipe truss structure is easy to replace.
Referring to fig. 2, the upper power transmission tower connecting piece 1 connects a power transmission tower 8 tower foot plate with a transverse bulkhead main material 1-2 of a double-layer transverse bulkhead structure 2 through a rigid flange 1-1.
Referring to fig. 1, 4 and 5, the leg structure 6 comprises a vertical leg main material 2-1 and an inclined leg oblique material 2-2, the leg main oblique materials 2-1 and 2-2 are connected and supported through auxiliary materials, the leg auxiliary material 2-3 of the steel pipe is subjected to small stress and can be detachably replaced, and the height of the leg structure is 5-15 m; an adjustable spherical support 3 is arranged on a leg main material 2-1 of the leg structure 6, and a single hinge joint 4 and an adjustable telescopic structure 5 are arranged on a leg inclined material 2-2 of the leg structure 6; the adjustable spherical support 3 is respectively arranged at the top end of the leg main material 2-1 and connected with the transverse bulkhead main material 1-2 of the double-layer transverse bulkhead structure 2, the bottom end of the leg main material 2-1 and the bottom of the leg main material are adjustably supported to form a basic connecting piece 7, and the basic connecting piece 7 is connected with a leg main material 2-1 flange and a foundation 9 of the leg structure 6; the adjustable spherical support 3 comprises a spherical support and flange base plates 3-6 for converting the spherical support between a rigid node and a spherical hinge node; the single hinge joints 4 are respectively arranged at the top end and the bottom end of the leg oblique material 2-2, and the adjustable telescopic structure 5 is arranged between the two single hinge joints 4.
Referring to fig. 6, preferably, as shown in the present embodiment, the single-hinge joint 4 disposed on the leg diagonal member 2-2 of the leg structure 6 is formed by connecting the leg diagonal member 2-2 to a joint plate by using a high-strength bolt. The angle of the leg diagonal member 2-2 is adjusted by loosening the bolt. As the leg oblique material 2-2 is longer than the leg main material 2-1, the single-degree-of-freedom single-hinge joint 4 can meet the adjustment of the leg oblique material 2-2 within the rotation angle adjusting range of the leg main material 2-1.
Referring to fig. 4, preferably, as shown in this embodiment, the adjustable telescopic structure 5 disposed on the leg diagonal member 2-2 of the leg structure 6 is an independent steel pipe section easy to replace, the length of the leg diagonal member 2-2 is adjusted by replacing steel pipes with different lengths, and the length adjustment range of the leg diagonal member 2-2 of the adjustable telescopic structure 5 is-0.5 to 2 m.
Referring to fig. 7 and 8, preferably, as shown in the present embodiment, the spherical bearing of the adjustable spherical bearing 3 includes an upper bearing plate 3-1, a lower bearing plate 3-5, a spherical cap lining plate 3-3 and a spherical sliding plate 3-4 (preferably tetrafluoroethylene), the spherical cap lining plate 3-3 is disposed between the upper bearing plate 3-1 above and the lower bearing plate 3-5 below, the spherical sliding plate 3-4 is disposed between the lower surface of the spherical cap lining plate 3-3 and the lower bearing plate 3-5, and the spherical cap lining plate 3-3 and the lower bearing plate 3-5 can slide relative to the spherical surface through the spherical sliding plate 3-4; a circle of installation space is reserved between an upper support plate 3-1 and a lower support plate 3-5 on the periphery of a spherical crown lining plate 3-3, a flange backing plate 3-6 of an annular structure is arranged in the circle of installation space and limits relative swinging between the upper support plate 3-1 and the lower support plate 3-5, the upper support plate 3-1 and the lower support plate 3-5 are detachably connected and fixed through a plurality of connecting bolts arranged along the circle of installation space, and the connecting bolts penetrate through the upper support plate 3-1, the flange backing plate 3-6 and the lower support plate 3-5. After the flange backing plates 3-6 are removed from the adjustable spherical support 3, the rigid node is changed into a spherical hinge node, the adjusting range is 0-0.06 rad, and the corner of the leg main material 2-1 of the leg structure 6 can be adjusted; after the base plates 3-6 are mounted, the base plates are changed from a spherical hinge joint into a rigid joint. The flange backing plate is formed by splicing 2 semicircular rings, and a circle of bolt holes 3-7 for connecting bolts to penetrate through are arranged on the inner ring of the flange backing plate 3-6. The spherical support of the adjustable spherical support 3 can further comprise a plane sliding plate 3-2 (preferably a tetrafluoroethylene plate), the plane sliding plate 3-2 is arranged between the upper support plate 3-1 and the upper surface of the spherical crown lining plate 3-3, and the upper support plate 3-1 and the spherical crown lining plate 3-3 can horizontally slide relatively through the plane sliding plate 3-2.
Referring to fig. 9 and 10, preferably, as shown in this embodiment, when the height of the bottom adjustable support of the base connector 7 is adjusted within a range of-0.2 to 0.2m, the bottom adjustable support is formed by stacking a plurality of base plates 4-2, the base connector 7 is connected to a leg main material 2-1 flange of the leg structure 6 by lengthening anchor bolts, and the height of the leg can be adjusted by replacing the height and number of the base plates 7-1. And when the height adjusting range of the bottom adjustable support of the foundation connecting piece 7 exceeds 0.2m, the bottom adjustable support is replaced by a steel pipe structure 4-1 with high rigidity.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a be used for transmission of electricity bearing structure with adjustable big deformation zone is lasted to ground which characterized in that: the double-layer transverse partition structure comprises an upper power transmission iron tower connecting piece, a double-layer transverse partition structure, a leg structure and a base connecting piece; the double-layer transverse partition surface structure is positioned between the power transmission iron tower and the leg structure, is an statically indeterminate structure and consists of a cross beam and a supporting member, the two layers of transverse partition surfaces are connected through a vertical steel pipe main material and a crossed auxiliary material, and the interlayer distance is 1-2 m; the upper power transmission iron tower connecting piece enables a power transmission iron tower foot plate to be connected with a steel pipe main material of a double-layer cross partition structure through a rigid flange; the leg structure comprises vertical main materials and inclined oblique materials, the main oblique materials are connected and supported through auxiliary materials, and the height of the leg structure is 5-15 m; the main material of the leg structure is provided with an adjustable spherical support, and the inclined material of the leg structure is provided with a single hinge joint and an adjustable telescopic structure; the adjustable spherical support is respectively arranged at the top end of the main material and connected with the main material of the steel pipe with the double-layer transverse partition surface structure, the adjustable spherical support is arranged at the bottom end of the main material and forms a foundation connecting piece with the bottom adjustable support, and the foundation connecting piece is connected with a main material flange and a foundation of the leg structure; the adjustable spherical support comprises a spherical support and a flange base plate for converting the spherical support between a rigid node and a spherical hinge node; the single hinge nodes are respectively arranged at the top end and the bottom end of the diagonal member, and the adjustable telescopic structure is arranged between the two single hinge nodes;
the spherical support of the adjustable spherical support comprises an upper support plate, a lower support plate, a spherical crown lining plate and a spherical sliding plate, wherein the spherical crown lining plate is arranged between the upper support plate and the lower support plate, the spherical sliding plate is arranged between the lower surface of the spherical crown lining plate and the lower support plate, and the spherical crown lining plate and the lower support plate can slide relative to a spherical surface through the spherical sliding plate; a circle of installation space is reserved between an upper support plate and a lower support plate at the periphery of the spherical crown lining plate, a flange backing plate with an annular structure is arranged in the circle of installation space and limits relative swing between the upper support plate and the lower support plate, the upper support plate and the lower support plate are detachably connected and fixed through a plurality of connecting bolts arranged along the circle of installation space, and the connecting bolts penetrate through the upper support plate, the flange backing plate and the lower support plate;
after the flange base plate is removed from the adjustable spherical support, the rigid node is changed into a spherical hinge node, and the adjusting range is 0-0.06 rad; after the flange base plate is installed, the flange base plate is changed into a rigid node from a spherical hinge node.
2. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: still include the plane sliding plate, the plane sliding plate is located between upper bracket board and the spherical crown welt upper surface, can horizontal slip relatively through the plane sliding plate between upper bracket board and the spherical crown welt.
3. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: the flange backing plate is formed by splicing 2 semicircular rings, and a circle of bolt holes for connecting bolts to penetrate through is arranged on an inner ring of the flange backing plate.
4. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: the single-hinge joint arranged on the oblique material of the leg structure is formed by connecting the oblique material and the joint plate by adopting a high-strength bolt.
5. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: the adjustable telescopic structure arranged on the oblique material of the leg structure is an independent steel pipe section easy to replace.
6. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: the length adjusting range of the oblique material of the adjustable telescopic structure arranged on the oblique material of the leg structure is-0.5-2 m.
7. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: when the height adjusting range of the bottom adjustable support of the foundation connecting piece is-0.2 m, the bottom adjustable support is formed by overlapping a plurality of base plates, and the foundation connecting piece is connected with a main material flange of the leg structure through the lengthened foundation bolt.
8. The adjustable power transmission support structure for foundation continuous large deformation zone according to claim 1, characterized in that: when the height adjusting range of the bottom adjustable support of the foundation connecting piece exceeds 0.2m, the bottom adjustable support is of a steel pipe structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362011.2A CN108533052B (en) | 2018-04-20 | 2018-04-20 | Adjustable power transmission supporting structure for continuous large deformation area of foundation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810362011.2A CN108533052B (en) | 2018-04-20 | 2018-04-20 | Adjustable power transmission supporting structure for continuous large deformation area of foundation |
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| CN108533052A CN108533052A (en) | 2018-09-14 |
| CN108533052B true CN108533052B (en) | 2022-09-20 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209354873U (en) * | 2018-12-17 | 2019-09-06 | 江苏中电科电力建设有限公司 | High-voltage direct-current transmission system support device |
| CN112962655B (en) * | 2021-02-02 | 2022-09-13 | 王克东 | A transmission line shaft tower structure for collecting space area |
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| CN108533052A (en) | 2018-09-14 |
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