CN117627440A - A reset type electric pole and tower suitable for plateau frozen soil areas - Google Patents
A reset type electric pole and tower suitable for plateau frozen soil areas Download PDFInfo
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- CN117627440A CN117627440A CN202311655280.5A CN202311655280A CN117627440A CN 117627440 A CN117627440 A CN 117627440A CN 202311655280 A CN202311655280 A CN 202311655280A CN 117627440 A CN117627440 A CN 117627440A
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- reset
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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
- E04H12/2269—Mounting poles or posts to the holder in a socket
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D3/00—Improving or preserving soil or rock, e.g. preserving permafrost soil
- E02D3/11—Improving or preserving soil or rock, e.g. preserving permafrost soil by thermal, electrical or electro-chemical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24T—GEOTHERMAL COLLECTORS; GEOTHERMAL SYSTEMS
- F24T10/00—Geothermal collectors
- F24T10/40—Geothermal collectors operated without external energy sources, e.g. using thermosiphonic circulation or heat pipes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Sustainable Development (AREA)
- Architecture (AREA)
- Mechanical Engineering (AREA)
- Paleontology (AREA)
- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Combustion & Propulsion (AREA)
- Soil Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Agronomy & Crop Science (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Sustainable Energy (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention belongs to the technical field of electric power engineering, and particularly relates to a reset type electric wire pole tower suitable for a plateau frozen soil area. Through the cooperation of the fall-back dog that lower part set up in the base with the back seat, utilize the back seat to go up evenly distributed's support rib board, can contact the support to the fall-back dog, reduce the soil frost heaving process to the thrust of fall-back dog and the resistance that resets of base, can keep the relative position of back seat, base sleeve and base through the linkage mounting panel simultaneously, avoided the base to take place the slope through the linkage in the soil frost heaving process, effectively increased the resistance that the base pulled up, and can guarantee the reset effect of base in the frozen soil layer thawing process, the practicality is improved.
Description
Technical Field
The invention belongs to the technical field of power engineering, and particularly relates to a reset type telegraph pole tower suitable for a plateau frozen soil area.
Background
Plateau frozen soil refers to various rocks and soils containing ice at a temperature below zero degrees celsius. Generally, it can be classified into short-time frozen soil, season frozen soil and permafrost soil. Frozen soil is a soil medium which is extremely sensitive to temperature and contains abundant underground ice. Therefore, frozen soil has rheological property and is more sensitive to thermal disturbance and human engineering activities, and two major risks are required to build engineering structures in frozen soil areas: frost heaving and thawing. Frozen soil thawed and deposited in summer and frost heaving in winter can cause the phenomenon of pulling up the transmission tower. At present, a transmission tower with a lifting phenomenon needs to be treated by adopting a treatment method of excavation and landfill again in spring every year, a great deal of manpower and material resources are consumed, and maintenance cost is increased.
Some structures capable of preventing the power transmission pole from being pulled up are arranged at the present stage, for example, a hot rod or a blocking umbrella is adopted to stabilize the frozen soil temperature or increase the pull-up resistance of the power transmission pole so as to prevent the power transmission pole from being pulled up. However, in the practical application process, for example, the adoption of the hot rod in the invention patent with the publication number of CN105133910A can increase the processing cost of the concrete telegraph pole and reduce the overall strength of the concrete telegraph pole; for example, the use of the blocking umbrella in the patent of publication No. CN112681400A can increase the pull-up resistance of the transmission pole, but also increases the falling resistance of the transmission pole, which is unfavorable for falling back of the transmission pole and has lower practicability.
Disclosure of Invention
In order to solve the problem that the practicability of a transmission pole pulling-up structure is low in the prior art, the invention provides the reset type electric pole tower suitable for a plateau frozen soil area, the falling-back check blocks arranged at the middle lower part of the base are matched with the falling-back seat, the falling-back check blocks can be supported in a contact manner by utilizing the supporting rib plates uniformly distributed on the falling-back seat, the thrust of the falling-back check blocks and the reset resistance of the base in the soil frozen swelling process are reduced, meanwhile, the relative positions of the falling-back seat, the base sleeve and the base can be kept through the linkage mounting plate, the inclination of the base is avoided through the linkage in the soil frozen swelling process, the resistance of the base pulling-up is effectively increased, the reset effect of the base in the frozen soil layer thawing process can be ensured, and the practicability is improved.
In order to achieve the above purpose, the specific technical scheme is as follows:
reset type wire pole tower suitable for plateau frozen soil area, including the shaft tower, still include: the base is fixedly connected to the bottom end of the pole tower, is embedded into a frozen soil layer and is used for providing support for the pole tower; the heat exchange assembly is positioned right below the pole tower and used for maintaining the temperature stability of the frozen soil layer in the area where the base is positioned; the heat exchange assembly includes: the heat rod comprises a hollow rod body, and a plurality of fins are arranged at the top end of the rod body; the heat box is fixedly connected to the bottom end of the rod body and is communicated with the rod body, the heat box comprises a hollow box body, and a plurality of heat conduction supporting plates are arranged on the outer side wall of the box body; the base sleeve is positioned at the bottom end of the base, and is used for preventing frozen soil backfilling after the base is pulled up and providing a reset distance for the base; the falling seat is positioned at the middle lower part of the base and used for reducing the resistance of the thawed soil and providing reset support for the base; the linkage mounting plate is positioned between the base sleeve and the drop seat, a base hole matched with the base is formed in the linkage mounting plate, and the linkage mounting plate is used for keeping the stability of the base sleeve and the drop seat; the base comprises an upper base and a lower base, and a falling-back stop block extending outwards is arranged between the upper base and the lower base and used for increasing the pulling-up resistance and the falling-back assistance; the back seat is including the bottom plate that is annular structure, evenly is provided with a plurality of support rib plate along circumference on the upper surface of bottom plate, the support rib plate of back seat with the lateral wall contact of back stop lower half is the slope conical surface structure, evenly offered a plurality of bottom plate mounting hole that is used for back seat and linkage mounting panel fixed connection on the bottom plate.
Further, the tower foot connecting plate is fixedly arranged at the top end of the base, and is connected with four corners of the bottom end of the pole tower through foundation bolts.
Further, the box body is of a conical boss structure, and the top end of the heat conduction supporting plate and the top end of the box body are located on the same horizontal plane.
Further, the linkage mounting plate is placed on the upper surface of the top end of the box body in a contact mode.
Further, a central hole matched with the hot rod is formed in the middle of the linkage mounting plate, and an upper mounting hole and a lower mounting hole for fixing the seat back and the base sleeve are respectively formed in the upper surface and the lower surface of the linkage mounting plate.
Further, the middle part of the falling stop block is annular and protrudes outwards, the included angle between the upper half part of the falling stop block and the horizontal plane is 45 degrees, and the included angle between the lower half part of the falling stop block and the horizontal plane is 30 degrees.
Further, the base sleeve is of a cylindrical structure with an opening at the upper end, the top end of the base sleeve horizontally extends outwards to form a mounting boss, sleeve mounting holes for fixedly connecting the base sleeve with the linkage mounting plate are formed in the mounting boss, and a plurality of fine ventilation small holes are uniformly formed in the side wall of the base sleeve.
Compared with the prior art, the invention has the beneficial effects that:
through setting up the fall-back dog in the base lower part, utilize its middle part outwards outstanding structure, not only can effectively increase the resistance of pulling up of base and frozen soil layer, the backfill volume when can reducing the base simultaneously and the frozen soil layer after thawing down need reset the crowded soil volume of arranging, help increasing the helping hand that falls back, guarantee the smooth reset of base.
Through the cooperation of fall back dog and back seat, utilize the back seat to go up evenly distributed's support floor, not only can contact the support to the fall back dog, reduce the thrust of soil frost heaving process to the fall back dog, can also guide the soil trend of thawing in the frozen soil layer thawing and the base in-process that resets simultaneously, the outside extrusion of soil of being convenient for has reduced the resistance that resets of base.
Through the heat exchange assembly who comprises hot rod and hot box, can be used for keeping the temperature stability of the regional frozen soil layer that the base is located, can realize simultaneously that the linkage mounting panel is stably placed, reduce the frozen soil layer frost heaving and thawing and sink the position influence to the linkage mounting panel.
The relative positions of the seat, the base sleeve and the base can be kept by the linkage mounting plate, the base is prevented from inclining by linkage in the soil frost heaving process, the resistance of the base to be pulled up is effectively increased, the resetting effect of the base in the frost soil layer thawing process can be ensured, and the practicability is improved.
Through seting up the fine and close aperture of taking a breath on base telescopic lateral wall, utilize the aperture of taking a breath can realize the air and the heat exchange of base sleeve and surrounding soil, prevent that base sleeve from blockking to the heat exchange between the soil, guarantee hot box and hot stick to the regulation and control effect of surrounding soil temperature, the inside pressure of base sleeve can be reduced to the fine aperture of taking a breath simultaneously, reduces the influence of outside atmospheric pressure to installation or reset process in the base installation or reset process.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is an isometric view of the present invention;
FIG. 3 is a schematic view of the bottom structure of the present invention;
FIG. 4 is a schematic view of the seating arrangement of the present invention;
FIG. 5 is a top view of the present invention being seated back;
FIG. 6 is a schematic view of the bottom structure of the ganged mounting plate of the present invention;
FIG. 7 is a schematic elevational view of the ganged mounting plate of the present invention;
FIG. 8 is a schematic view of the structure of the base sleeve of the present invention;
FIG. 9 is a schematic view of the structure of the base of the present invention;
FIG. 10 is a front view of the base of the present invention;
FIG. 11 is a schematic view of the structure of the hot box of the present invention;
the figure shows: tower 1, tower foot connecting plate 2, fall back seat 3, linkage mounting plate 4, hot box 5, base sleeve 6, base 7, hot rod 8, bottom plate 301, bottom plate mounting hole 302, support rib 303, mounting plate 401, center hole 402, lower mounting hole 403, base hole 404, upper mounting hole 405, sleeve body 601, ventilation aperture 602, sleeve mounting hole 603, upper base 701, lower base 702, fall back stop 703, rod 801, fin 802, box 501, heat conduction backup pad 502.
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the invention and structural, methodological, or functional modifications of these embodiments that may be made by one of ordinary skill in the art are included within the scope of the invention.
As shown in fig. 1-3, the present invention aims to provide a transmission tower capable of improving the resetting effect, so as to solve the problem of low practicality of the structure for preventing the transmission tower from being pulled up in the prior art. According to the above functions, the whole device comprises a pole tower 1, a base 7, a heat exchange assembly, a base sleeve 6 and a falling seat 3.
The shaft tower 1 comprises a plurality of steel members that crisscross in a horizontal and vertical direction, and the bottom four corners department of shaft tower 1 is through tower foot connecting plate 2 fixed connection on base 7, and tower foot connecting plate 2 and base 7 all adopt concrete placement's integration solid structure that forms, and pre-buried being provided with rag bolt on the tower foot connecting plate 2.
As shown in fig. 9-10, the base 7 includes an upper base 701 and a lower base 702, an outwardly extending falling stop 703 is disposed between the upper base 701 and the lower base 702, the middle of the falling stop 703 is annular and protrudes outwards, an included angle between the upper half of the falling stop 703 and the horizontal plane is 45 °, an included angle between the lower half of the falling stop 703 and the horizontal plane is 30 °, the falling stop 703 adopts a 45 ° inclined plane, the contact area with the frozen soil layer can be increased, and then the upward pulling resistance of the base 7 and the frozen soil layer can be effectively increased, and meanwhile, the lower half of the falling stop 703 adopts a 30 ° inclined plane, so that the contact resistance with the frozen soil layer during upward pulling and resetting is balanced, the contact area with the falling seat 3 is increased, the backfill amount during upward pulling of the base 7 is reduced, meanwhile, the contact area between the upper half of the falling stop 703 and the frozen soil layer is reduced, the upward pulling thrust caused by frost expansion is reduced, the soil amount required to be reset after the frozen soil layer is settled is reduced, and smooth reset of the base 7 is ensured.
As shown in fig. 11, a heat exchange assembly is arranged under the tower 1, and the heat exchange assembly comprises a heat rod 8 and a heat box 5 fixedly connected to the bottom end of the heat rod 8 and communicated with the heat rod 8, and is used for maintaining the temperature stability of the frozen soil layer in the area where the base 7 is located. The heat rod 8 comprises a hollow rod body 801, a plurality of fins 802 are arranged at the top end of the rod body 801, and the fins 802 are positioned above the soil surface layer after the heat rod 8 is installed, so that the heat exchange efficiency with air is improved; the hot box 5 includes hollow box 501, box 501 is the toper boss structure, be provided with a plurality of heat conduction backup pad 502 on the lateral wall of box 501, the top of heat conduction backup pad 502 is located same horizontal plane with the top of box 501, and then make can steadily place linkage mounting panel 4 on the upper surface of box 501 when practical application installs, thereby make through hot box 5 can form the frozen soil layer of linkage mounting panel 4 below a temperature constant area, be convenient for realize the stable placing of linkage mounting panel 4, reduce the position influence of frozen soil layer frost heave thawing and sinking to linkage mounting panel 4.
The heat rod 8 and the heat box 5 are provided with condensing agents capable of gasifying when encountering heat and freezing, such as ammonia gas and freon, and the condensing agents need to be sealed to prevent leakage of the heat rod 8 and the heat box 5 when in use, and meanwhile, the tower 1 needs to be grounded, and the heat rod 8 and the heat box 5 need to be treated by adopting insulating materials or methods such as spraying insulating coatings on the heat rod 8 and the heat box 5.
As shown in fig. 6-7, the linkage mounting plate 4 comprises a mounting plate 401, a central hole 402 matched with the heat rod 8 is formed in the middle of the mounting plate 401, the number of the central hole 402 and the number of the heat rod 8 can be multiple, and the actual number can be determined according to the size of a tower; the four corners department of mounting panel 401 has offered the base hole 404 with the 7 looks adaptations of base, be provided with on the upper surface and the lower surface of mounting panel 401 respectively and be used for back seat 3 and the 6 fixed mounting of base upper mounting hole 405 and lower mounting hole 403, back seat 3, linkage mounting panel 4 and base sleeve 6 all adopt steel member, and back seat 3 and base sleeve 6 all connect respectively on the upper mounting hole 405 and the lower mounting hole 403 of linkage mounting panel 4 through the bolt, linkage mounting panel 4 can keep stable through hot box 5, and then can keep back seat 3, base sleeve 6 and the relative position of base 7, slope takes place for base 7 through the linkage in the soil frost heaving process has been avoided, effectively increased the resistance that base 7 pulled up, the reset effect of base 7 in the frozen soil layer thawing process has been guaranteed.
As shown in fig. 8, the base sleeve 6 includes a sleeve body 601, the sleeve body 601 is a cylindrical structure with an open upper end, the top end of the sleeve body 601 extends horizontally outwards to form a mounting boss, a sleeve mounting hole 603 is formed in the mounting boss, and the base sleeve 6 is fixedly mounted on the lower surface of the linkage mounting plate 4 through the sleeve mounting hole 603 and a bolt.
A plurality of fine ventilation holes 602 are uniformly formed in the side wall of the sleeve body 601, the ventilation holes 602 are used for realizing air and heat exchange between the base sleeve 6 and surrounding soil, and further the base sleeve 6 can be prevented from blocking heat exchange between the soil, the regulation and control effect of the hot box 5 and the hot rod 8 on the surrounding soil temperature is guaranteed, meanwhile, the pressure inside the base sleeve 6 can be reduced through the fine ventilation holes 602, and the influence of external air pressure on the installation or the resetting process in the installation or the resetting process of the base 7 is reduced. The base 7, the falling seat 3, the linkage mounting plate 4 and the base sleeve 6 should be tightly attached to each other to prevent soil from entering the base sleeve 6.
As shown in fig. 4-5, the falling seat 3 comprises a bottom plate 301 with an annular structure, a plurality of supporting rib plates 303 are uniformly arranged on the upper surface of the bottom plate 301 along the circumference, the supporting rib plates 303 are matched with the outer side wall of the lower half part of the falling stop 703, the supporting rib plates 303 are used for carrying out contact supporting on the falling stop 703, the thrust of the falling stop 703 in the soil frost heaving process is reduced, meanwhile, due to the uniform distribution of the supporting rib plates 303, the soil which is positioned in the supporting rib plates 303 and is subjected to the frost thawing backfill during the thawing of a frozen soil layer is extruded outwards under the action of the gravity of the base 7, and is used for guiding the trend of the soil thawing, and reducing the reset resistance of the base 7. A plurality of bottom plate mounting holes 302 are uniformly formed in the bottom plate 301, the back seat 3 is fixedly mounted on the upper surface of the linkage mounting plate 4 through the bottom plate mounting holes 302 and bolts, and the bottom plate mounting holes 302 and sleeve mounting holes 603 are arranged in a staggered mode. Notably, the support rib 303 in this application can contact the outer sidewall of the lower half of the fall back stop 703 after the pedestal 7 is completely reset, and the bottom end of the pedestal 7 is located inside the pedestal sleeve 6 and contacts the pedestal sleeve 6.
The construction method of the invention in the practical application process comprises the following steps:
digging a foundation pit at the installation position of the transmission tower, driving stirrups and concrete at the bottom of the foundation pit, avoiding the influence of the integral settlement of the area on the transmission tower, improving the stability, increasing the reaction time for overhauling and maintenance, backfilling part of frozen soil after the concrete layer is dried and tamping;
digging rectangular pits and columnar pits for the hot box 5 and the base sleeve 6 in the backfilled frozen soil layer, and leveling;
placing the hot box 5 and the base sleeve 6 into a rectangular pit and a columnar pit, lifting the linkage mounting plate 4, placing the linkage mounting plate on the hot box 5 and the backfill frozen soil layer, continuously backfilling part of the frozen soil, and standing for 24-72 h, so that the influence of the hot box 5 on the backfill frozen soil layer of the foundation pit is reduced;
cleaning backfilled frozen soil, lifting the linkage mounting plate 4, the hot box 5 and the base sleeve 6, and further tamping and leveling the backfilled frozen soil layer, the rectangular pit and the columnar pit;
after the base sleeve 6, the linkage mounting plate 4, the hot rod 8, the falling seat 3 and the hot box 5 are mounted, the base sleeve is placed in a foundation pit, frozen soil is backfilled, rammed and leveled, the frozen soil on the surface layer of the foundation pit is kept to be level with the ground surface, and the tower foot connecting plate 2 is positioned on the surface layer of the foundation pit;
and installing the tower 1 on the tower foot connecting plate 2 to finish foundation construction.
It should be understood that although the present disclosure describes embodiments in terms of examples, not every embodiment is provided with a single embodiment, and that this description is for clarity only, and that the embodiments of the disclosure may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
The above list of detailed descriptions is only specific to practical embodiments of the present invention, and they are not intended to limit the scope of the present invention, and all equivalent embodiments or modifications that do not depart from the spirit of the present invention should be included in the scope of the present invention.
Claims (7)
1. Reset type wire pole tower suitable for plateau frozen soil region, including the shaft tower, its characterized in that still includes:
the base is fixedly connected to the bottom end of the pole tower, is embedded into a frozen soil layer and is used for providing support for the pole tower; and (3) a step of,
The heat exchange assembly is positioned right below the pole tower and is used for maintaining the temperature stability of the frozen soil layer in the area where the base is positioned; the heat exchange assembly includes:
the heat rod comprises a hollow rod body, and a plurality of fins are arranged at the top end of the rod body; and (3) a step of,
The heat box is fixedly connected to the bottom end of the rod body and is communicated with the rod body, the heat box comprises a hollow box body, and a plurality of heat conduction supporting plates are arranged on the outer side wall of the box body; and (3) a step of,
The base sleeve is positioned at the bottom end of the base, and is used for preventing frozen soil backfilling after the base is pulled up and providing a reset distance for the base; and (3) a step of,
The falling seat is positioned at the middle lower part of the base and is used for reducing the resistance of the thawed soil and providing reset support for the base; and (3) a step of,
The linkage mounting plate is positioned between the base sleeve and the drop seat, a base hole matched with the base is formed in the linkage mounting plate, and the linkage mounting plate is used for keeping the stability of the base sleeve and the drop seat;
the base comprises an upper base and a lower base, and a falling-back stop block extending outwards is arranged between the upper base and the lower base and used for increasing the pulling-up resistance and the falling-back assistance;
the back seat is including the bottom plate that is annular structure, evenly is provided with a plurality of support rib plate along circumference on the upper surface of bottom plate, the support rib plate of back seat with the lateral wall contact of back stop lower half is the slope conical surface structure, evenly offered a plurality of bottom plate mounting hole that is used for back seat and linkage mounting panel fixed connection on the bottom plate.
2. The reset type electric pole tower suitable for the plateau frozen soil area according to claim 1, wherein a tower foot connecting plate is fixedly arranged at the top end of the base, and the tower foot connecting plate is connected with four corners of the bottom end of the pole tower through foundation bolts.
3. The reset type electric pole tower applicable to the plateau frozen soil area according to claim 1, wherein the box body is of a conical boss structure, and the top end of the heat conduction supporting plate and the top end of the box body are located on the same horizontal plane.
4. A reset wire pole tower suitable for use in a highland frozen soil area as recited in claim 3, wherein the linkage mounting plate is positioned in contact with the top upper surface of the housing.
5. The reset type electric pole tower suitable for the plateau frozen soil area according to claim 4, wherein a central hole matched with a hot rod is formed in the middle of the linkage mounting plate, and an upper mounting hole and a lower mounting hole for fixing and mounting a seat back and a base sleeve are respectively formed in the upper surface and the lower surface of the linkage mounting plate.
6. The reset wire pole tower suitable for the plateau frozen soil area according to claim 1, wherein the middle part of the fall-back stop is annular and protrudes outwards, the included angle between the upper half part of the fall-back stop and the horizontal plane is 45 degrees, and the included angle between the lower half part of the fall-back stop and the horizontal plane is 30 degrees.
7. The reset type telegraph pole tower suitable for the plateau frozen soil area according to claim 1, wherein the base sleeve is of a columnar cylinder structure with an opening at the upper end, the top end of the base sleeve horizontally extends outwards to form a mounting boss, sleeve mounting holes for fixedly connecting the base sleeve with the linkage mounting plate are formed in the mounting boss, and a plurality of fine ventilation small holes are uniformly formed in the side wall of the base sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311655280.5A CN117627440B (en) | 2023-12-05 | 2023-12-05 | Reset type telegraph pole tower applicable to plateau frozen soil area |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311655280.5A CN117627440B (en) | 2023-12-05 | 2023-12-05 | Reset type telegraph pole tower applicable to plateau frozen soil area |
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| CN117627440A true CN117627440A (en) | 2024-03-01 |
| CN117627440B CN117627440B (en) | 2024-07-26 |
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| CN213115739U (en) * | 2020-07-31 | 2021-05-04 | 海南信强实业有限公司 | Novel electric pole |
| CN112681400A (en) * | 2020-12-07 | 2021-04-20 | 徐州华显凯星信息科技有限公司 | Frozen soil area wire pole frost heaving prevention uplift device |
| CN216275615U (en) * | 2021-09-26 | 2022-04-12 | 拉萨市设计院 | Plateau building foundation stable structure |
| CN219158589U (en) * | 2023-02-24 | 2023-06-09 | 上海电力大学 | Stability installation mechanism of electric power transmission tower |
| CN117144964A (en) * | 2023-09-07 | 2023-12-01 | 深圳国金电力新能设计院有限公司 | Assembling method of assembled tower foundation |
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