CN112709485B - Telegraph pole structure for preventing uplift in high-latitude area - Google Patents

Telegraph pole structure for preventing uplift in high-latitude area Download PDF

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Publication number
CN112709485B
CN112709485B CN202011548839.0A CN202011548839A CN112709485B CN 112709485 B CN112709485 B CN 112709485B CN 202011548839 A CN202011548839 A CN 202011548839A CN 112709485 B CN112709485 B CN 112709485B
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CN
China
Prior art keywords
pole
telegraph pole
wire pole
collapse
control chamber
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CN202011548839.0A
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Chinese (zh)
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CN112709485A (en
Inventor
邵福群
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Baotou Menglu Power Equipment Co.,Ltd.
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Baotou Menglu Power Equipment Co ltd
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22Sockets or holders for poles or posts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22Sockets or holders for poles or posts
    • E04H12/2207Sockets or holders for poles or posts not used
    • E04H12/2215Sockets or holders for poles or posts not used driven into the ground
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H12/00Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
    • E04H12/22Sockets or holders for poles or posts
    • E04H12/2292Holders used for protection, repair or reinforcement of the post or pole

Abstract

The invention belongs to the technical field of power transmission facilities, and particularly relates to a wire pole structure for preventing uplift in a high-latitude area. According to the invention, the difference of the thermal expansion coefficients of the resistance reducing piece and the telegraph pole is utilized to reduce the upward pulling force of the telegraph pole in autumn and winter, and the characteristic of water freezing volume expansion is utilized to increase the upward pulling resistance of the telegraph pole, so that the telegraph pole can be prevented from being pulled upward or the upward pulling degree of the telegraph pole can be reduced, and the phenomenon that a cavity of the telegraph pole after the bottom end of the telegraph pole is pulled up cannot collapse can be ensured under the action of the anti-collapse mechanism, so that the telegraph pole can fall back conveniently.

Description

Telegraph pole structure for preventing uplift in high-latitude area
Technical Field
The invention belongs to the technical field of power transmission facilities, and particularly relates to a telegraph pole structure for preventing uplift in high-latitude areas.
Background
In high latitude areas, especially in autumn and winter, the water inside the soil is easy to freeze, the water volume after freezing is increased, the soil combined with the water phase expands under the action of the frozen water, and the soil layer frost heaving phenomenon is about to occur.
When frost heaving phenomenon appears in soil, the binding force between frozen soil and the wire pole is greater than the dead weight of wire pole, the wire pole will be pulled up this moment, the wire pole bottom will be owing to be pulled up and form the cavity, muddy water etc. that is not frozen around the cavity will be filled in the cavity, cause the cavity to sink, after thawing in the second year, the wire pole will make the wire pole can't fall back owing to the cavity of bottom sinks, and then realize making the phenomenon that the wire pole pulled up year by year, according to statistics, the annual biggest upward pulling amount can reach 15CM, it will make the wire pole become shallow year by year to accumulate year, will make the wire pole act as go-between to be pulled off or the wire pole appear phenomenon such as pole collapse when serious, this normal operating that will serious influence distribution lines.
Therefore, the utility pole structure for preventing uplift in high-latitude areas is provided to solve the problems.
Disclosure of Invention
The invention aims to solve the problems and provides a telegraph pole structure capable of preventing uplift in high-latitude areas.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a wire pole structure that uplift was prevented in high latitude area, is including lieing in the resistance reduction piece on the wire pole, the vertical setting of wire pole is subaerial, ground is frozen soil layer and not frozen layer respectively from top to bottom, just the wire pole bottom runs through frozen soil layer and extends to not frozen layer department, the resistance reduction piece is located frozen soil in situ, just the resistance reduction piece is the annular sleeve structure, resistance reduction piece axial cover is established in the wire pole outside, resistance reduction piece inner wall and wire pole laminating set up, resistance reduction piece is connected with and increases and hinders the mechanism, it is connected with the wire pole to increase and hinders the mechanism, the wire pole bottom is equipped with the mechanism of preventing collapsing.
In the above-described high-latitude area uplift-preventing utility pole structure, the thermal expansion coefficient of the resistance reducing member is smaller than that of the utility pole.
In the anti-uplift telegraph pole structure in the high latitude area, the resistance reducing piece is internally provided with the cavity, and water is filled in the cavity.
In foretell high latitude area prevents the wire pole structure of pulling up, increase and hinder the mechanism and constitute by pipe, mounting and extensible member, the mounting is located not to freeze the in situ, just the mounting axis cover establish the wire pole outside and with wire pole fixed connection, the inside control chamber that contains water that is equipped with of mounting, the pipe sets up cavity and control chamber intercommunication, the extensible member sets up on the control chamber lateral wall, just the extensible member will receive the change that the hydraulic change of control intracavity realized self length.
In the telegraph pole structure for preventing uplift in the high-latitude area, the telescopic piece is composed of the fixed cylinder, the sliding plate and the movable thorn, the fixed cylinder is located in the control cavity and fixedly connected with the inner wall of the control cavity, the fixed cylinder is communicated with the control cavity, the sliding plate is connected inside the fixed cylinder in a sealing and sliding mode, the movable thorn is fixedly connected with the sliding plate, and the other end of the movable thorn penetrates through the side wall of the control cavity and extends to the outside.
In the anti-uplift telegraph pole structure for the high-latitude areas, the outer wall of the guide pipe is made of heat insulation materials.
In the anti-uplift telegraph pole structure in the high latitude area, the anti-collapse mechanism is composed of a fixing plate, a control plate and an anti-collapse column, the anti-collapse column is vertically arranged and fixedly connected to the top end of the fixing plate, an anti-collapse cavity is formed in the anti-collapse column, the control plate is slidably connected with the interior of the anti-collapse cavity, and the bottom end of the telegraph pole is fixedly connected with the top end of the control plate.
The invention has the beneficial effects that: in autumn and winter, when temperature reduces and makes the soil layer frost heaving, this moment drag reduction piece and wire pole all can receive microthermal influence and make the shrink of self size, because the coefficient of thermal expansion of drag reduction piece is less than the coefficient of thermal expansion of wire pole, and then will make the interval between drag reduction piece and the wire pole increase, the biggest frictional force between drag reduction piece and the wire pole will reduce, when the soil on frost heaving layer drives drag reduction piece rebound, drag reduction piece upwards pulls up the wire pole through frictional force, and then realize that the distance that the wire pole is difficult to pull up or pull up reduces this moment will appear.
Because low temperature, the inside water of drag reduction piece will freeze, and the volume will expand, and then realize that the inside part of water of drag reduction piece will enter into through the pipe and increase and hinder in the mechanism and make the extensible member extend to earth, and then realize increasing the resistance between wire pole and the unfrozen layer, weaken the degree that the wire pole pulled up.
The anti-collapse mechanism can make the wire pole pull up after, the hole of wire pole bottom will be filled by muddy water etc. and cause the hole to collapse, and then can make the thawing after the wire pole will be convenient drop back to original place.
The following are included: the utility pole is weakened to receive upward pulling force in autumn and winter through utilizing the difference of the thermal expansion coefficient between the resistance reducing piece and the utility pole, the resistance that the utility pole pulled up is realized increasing by utilizing the characteristics of freezing volume expansion of water simultaneously, and then the utility pole can be avoided jointly by the pull-up or the degree that the utility pole pulled up is weakened, the phenomenon that sinks can not appear in the hole after the utility pole bottom was pulled up can be ensured under the effect of the mechanism of preventing collapsing simultaneously for the utility pole can convenient fall back.
Drawings
Fig. 1 is a schematic overall structure diagram of a high-latitude uplift-resistant utility pole structure provided by the invention;
fig. 2 is a schematic top view cross-sectional structure view of a resistance increasing mechanism in an anti-uplift telegraph pole structure in a high-latitude area, provided by the invention;
fig. 3 is a schematic vertical sectional structure of a resistance reducing member in a high-altitude area uplift-resistant telegraph pole structure provided by the invention.
In the figure: the anti-collapse device comprises a telegraph pole 1, a resistance reducing member 2, a cavity 21, a frozen soil layer 3, a non-frozen layer 4, a resistance increasing mechanism 5, a guide pipe 51, a fixing member 52, a control cavity 521, a telescopic member 53, a fixing barrel 531, a sliding plate 532, a movable thorn 533, an anti-collapse mechanism 6, a fixing plate 61, a control plate 62, an anti-collapse column 63 and an anti-collapse cavity 64.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, a high latitude area uplift-preventing telegraph pole structure comprises a resistance reducing member 2 positioned on a telegraph pole 1, wherein the telegraph pole 1 is vertically arranged on the ground, the ground is a frozen soil layer 3 and an unfrozen layer 4 from top to bottom, and the bottom end of the telegraph pole 1 penetrates through the frozen soil layer 3 and extends to the unfrozen layer 4.
The resistance reducing piece 2 is located in the frozen soil layer 3, the resistance reducing piece 2 is of an annular sleeve structure, the axial direction of the resistance reducing piece 2 is sleeved on the outer side of the telegraph pole 1, and the inner wall of the resistance reducing piece 2 is attached to the telegraph pole 1.
The thermal expansion coefficient of the resistance reducing piece 2 is smaller than that of the telegraph pole 1, the telegraph pole 1 is made of cement, the resistance reducing piece 2 can be of an industrial glass structure with a thermal expansion coefficient smaller than that of the telegraph pole 1, and the inner wall, close to the telegraph pole 1, of the resistance reducing piece 2 is of a frosted structure, so that the resistance reducing piece 2 can have enough friction resistance with the telegraph pole 1 in a normal state.
When the temperature is above 0 ℃, the inner wall of the resistance reducing piece 2 is closely attached to the telegraph pole 1, when the temperature is gradually reduced, the shrinkage size of the telegraph pole 1 is larger than that of the resistance reducing piece 2, the gap between the inner wall of the resistance reducing piece 2 and the outer wall of the telegraph pole 1 is increased, and the maximum friction force between the resistance reducing piece 2 and the telegraph pole 1 is reduced.
When frost heaving phenomenon appears in the soil layer, frozen soil layer 3 and 1 direct contact's of wire pole position this moment, frozen soil layer 3 will make wire pole 1 rise through the cohesion with wire pole 1, this cohesion is including freezing the swelling shearing force of stable resistance or soil, the partial soil at resistance reduction 2 place will drive and reduce resistance 2 and rise, resistance reduction 2 will make wire pole 1 rise through the frictional force that reduces between resistance 2 and the wire pole 1, again because the biggest frictional resistance that reduces between resistance 2 and the wire pole 1 this moment reduces, and then realize that wire pole 1 will appear this moment and receive vertical ascending power and will reduce, and then reduce the distance of wire pole 1 uplifting.
Reduce 2 inside cavitys 21 that are equipped with of hindering, cavity 21 is inside to contain water, reduces hindering 2 and is connected with and increases hindering mechanism 5, increases hindering mechanism 5 and comprises pipe 51, mounting 52 and extensible member 53.
The fixing piece 52 is located in the non-freezing layer 4, the axis of the fixing piece 52 is sleeved on the outer side of the telegraph pole 1 and fixedly connected with the telegraph pole 1, the fixing piece 52 is of a round table-shaped structure with a wide top and a narrow bottom, an included angle between a bus of the fixing piece 52 and the axis is smaller than 15 degrees, and the fixing piece 52 can enable the telegraph pole 1 to conveniently drive the fixing piece 52 to fall back downwards together after the thawing of the telegraph pole in the next year.
The inside control chamber 521 that is equipped with contained water of mounting 52, pipe 51 sets up cavity 21 and control chamber 521 intercommunication, and extensible member 53 sets up on control chamber 521 lateral wall, and extensible member 53 will receive the change of the interior water pressure of control chamber 521 and realize the change of self length.
The telescopic member 53 is composed of a fixed cylinder 531, a sliding plate 532 and a movable spine 533, wherein the fixed cylinder 531 is positioned in the control chamber 521 and is fixedly connected with the inner wall of the control chamber 521, the fixed cylinder 531 is communicated with the control chamber 521, the sliding plate 532 is hermetically and slidably connected inside the fixed cylinder 531, the movable spine 533 is fixedly connected with the sliding plate 532, and the other end of the movable spine 533 penetrates through the side wall of the control chamber 521 and extends to the outside.
The pipe 51 outer wall comprises thermal insulation material, avoids the water in the pipe 51 to freeze because of low temperature, after reducing the freezing of the inside water of resistance piece 2, because the freezing of water will expand, and then realizes that the inside water of resistance piece 2 will be extruded to the control chamber 521 in through pipe 51, and then realizes that control chamber 521 water pressure will appear this moment will increase.
The water pressure inside the control chamber 521 will cause the mobile stab 533 to move away from the pole 1 through the sliding plate 532, which in turn will cause the mobile stab 533 to penetrate into the soil, which in turn will cause the resistance of the pole 1 to be pulled up to be increased, which in turn will cause the distance of the pole 1 to be pulled up to be decreased again.
The utility pole 1 bottom is equipped with prevents mechanism 6 that collapses, prevents that mechanism 6 that collapses comprises fixed plate 61, control panel 62 and the post 63 that prevents collapsing, prevents that the vertical setting of post 63 that collapses and fixed connection are on fixed plate 61 top, prevents being equipped with in the post 63 that collapses and prevents collapsing the chamber 64, and inside control panel 62 sliding connection prevents collapsing the chamber 64, utility pole 1 bottom and control panel 62 top fixed connection.
After the utility pole 1 is pulled up, the muddy water is difficult to enter the collapse preventing cavity 64 by the control plate 62, and the utility pole 1 can fall back down conveniently after the frost is removed in the next year.
The operating principle of the present invention will now be described as follows:
when the soil layer frost heaving phenomenon appears, the part of the frost layer 3 and the telegraph pole 1 in direct contact at this moment, the frost layer 3 can enable the telegraph pole 1 to ascend through the binding force with the telegraph pole 1, and the part of soil where the resistance reducing piece 2 is located can drive the resistance reducing piece 2 to ascend.
The resistance reducing piece 2 enables the telegraph pole 1 to ascend through the friction force between the resistance reducing piece 2 and the telegraph pole 1, the thermal expansion coefficient of the resistance reducing piece 2 is smaller than that of the telegraph pole 1, the gap between the resistance reducing piece 2 and the telegraph pole 1 is increased at the moment, the maximum friction resistance between the resistance reducing piece 2 and the telegraph pole 1 is reduced, the fact that the telegraph pole 1 receives the vertical upward total force at the moment is reduced, and the uplift distance of the telegraph pole 1 is reduced.
When soil frost heaving, the water inside the drag reduction part 2 will freeze and expand, and then the water inside the drag reduction part 2 will be extruded into the control cavity 521 through the conduit 51, and then the water pressure of the control cavity 521 will be increased.
The water pressure in the control chamber 521 will make the movable stabs 533 move towards the direction far away from the utility pole 1 through the sliding plate 532, and then realize that the movable stabs 533 will be stabbed into the soil at this moment, increase the area of contact between the resistance increasing mechanism 5 and the unfrozen layer 4, and then realize increasing the resistance that the utility pole 1 was pulled up, and then make the distance that the utility pole 1 was pulled up reduce again.
After the utility pole 1 is pulled up, the muddy water is difficult to enter the collapse preventing cavity 64 by the control plate 62, and the utility pole 1 can fall back down conveniently after the frost is removed in the next year.
In conclusion, the invention can effectively reduce the uplifting degree of the telegraph pole 1, and simultaneously can enable the telegraph pole 1 to fall back down well after sliding, thereby avoiding the situation that the telegraph pole 1 gradually rises, further ensuring the use stability of the telegraph pole 1 and being beneficial to protecting the normal operation of a distribution line.
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, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a wire pole structure that prevents uplift in high latitude area, includes resistance reduction member (2) that is located wire pole (1), wire pole (1) is vertical to be set up on the ground, ground is frozen soil layer (3) and not frozen layer (4) respectively from top to bottom, and wire pole (1) bottom runs through frozen soil layer (3) and extends to not frozen layer (4) department, its characterized in that, resistance reduction member (2) are located frozen soil layer (3), and resistance reduction member (2) are annular sleeve structure, resistance reduction member (2) axial cover is established in wire pole (1) outside, resistance reduction member (2) inner wall and wire pole (1) laminating setting, resistance reduction member (2) are connected with and increase and hinder mechanism (5), increase and hinder mechanism (5) and wire pole (1) and be connected, wire pole (1) bottom is equipped with anti-collapse mechanism (6);
a cavity (21) is formed in the resistance reducing piece (2), and water is filled in the cavity (21);
increase and hinder mechanism (5) and constitute by pipe (51), mounting (52) and extensible member (53), mounting (52) are located not to freeze layer (4), just mounting (52) axis cover establish wire pole (1) the outside and with wire pole (1) fixed connection, mounting (52) inside is equipped with control chamber (521) that contain water, pipe (51) set up cavity (21) and control chamber (521) intercommunication, extensible member (53) set up on control chamber (521) lateral wall, just extensible member (53) will receive the change of water pressure in control chamber (521) to realize the change of self length.
2. The high-latitude uplift-preventing utility pole structure as claimed in claim 1, wherein the resistance-reducing member (2) has a thermal expansion coefficient smaller than that of the utility pole (1).
3. The utility pole structure capable of preventing uplift in high latitude areas according to claim 1, wherein the telescopic member (53) is composed of a fixed cylinder (531), a sliding plate (532) and a movable thorn (533), the fixed cylinder (531) is located in the control chamber (521) and fixedly connected with the inner wall of the control chamber (521), the fixed cylinder (531) is communicated with the control chamber (521), the sliding plate (532) is hermetically and slidably connected inside the fixed cylinder (531), the movable thorn (533) is fixedly connected with the sliding plate (532), and the other end of the movable thorn (533) penetrates through the side wall of the control chamber (521) and extends to the outside.
4. The high-latitude area uplift-preventing utility pole structure as claimed in claim 1, wherein the outer wall of the conduit (51) is made of heat-insulating and heat-preserving material.
5. The utility pole structure for preventing uplift in high latitude areas is characterized in that the anti-collapse mechanism (6) is composed of a fixing plate (61), a control plate (62) and an anti-collapse column (63), the anti-collapse column (63) is vertically arranged and fixedly connected to the top end of the fixing plate (61), an anti-collapse cavity (64) is arranged in the anti-collapse column (63), the control plate (62) is slidably connected to the inside of the anti-collapse cavity (64), and the bottom end of the utility pole (1) is fixedly connected to the top end of the control plate (62).
CN202011548839.0A 2020-12-23 2020-12-23 Telegraph pole structure for preventing uplift in high-latitude area Active CN112709485B (en)

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Application Number Priority Date Filing Date Title
CN202011548839.0A CN112709485B (en) 2020-12-23 2020-12-23 Telegraph pole structure for preventing uplift in high-latitude area

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CN112709485B true CN112709485B (en) 2022-04-05

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