CN111608198A - Deformation-resistant device, deformation monitoring system and deformation-resistant monitoring method for high-voltage line tower - Google Patents
Deformation-resistant device, deformation monitoring system and deformation-resistant monitoring method for high-voltage line tower Download PDFInfo
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Abstract
The invention provides a high-voltage line tower anti-deformation device, a deformation monitoring system and an anti-deformation monitoring method, wherein the device comprises a high-voltage line tower base, a mounting base and an adjusting leveling module; the top of the high-voltage line tower base is fixedly provided with a plurality of installation foundations; the arrangement number of the installation bases is the same as that of the tower legs of the high-voltage line tower; each installation foundation is correspondingly provided with one adjusting leveling module; each adjusting and leveling module comprises an upper connecting plate, a lower connecting plate, a connecting column, a connecting ball, a connecting screw rod, a bidirectional motor and a gear. The deformation-resistant device, the deformation monitoring system and the deformation-resistant method for the high-voltage line tower can effectively monitor the deformation of the high-voltage transmission tower, automatically adjust the deformation condition of the high-voltage line tower, keep the high-voltage line tower in an undeformed state, avoid the inclination of the high-voltage line tower and even the damage of electric facilities caused by surface deformation or other uncertain factors, and ensure the safe and reliable work of the high-voltage line tower.
Description
Technical Field
The invention belongs to the technical field of deformation resistance of high-voltage line towers, and particularly relates to a deformation resistance device, a deformation monitoring system and a deformation resistance monitoring method of a high-voltage line tower.
Background
The ground surface moving deformation is a common ground surface deformation phenomenon, and particularly under newly-built urban areas and backfilling areas, the ground surface moving deformation is more obvious and severe, and the damage degree is more serious. Common damages caused by earth surface movement deformation include power transmission line tower sinking and power transmission line tension and compression damage. A large number of high-voltage line towers in China are located in ground surface moving deformation areas, ground surface deformation can cause large amount of damage to power transmission lines, and a large amount of protection work needs to be carried out on the power transmission lines in order to ensure the electricity utilization safety of residents and meet the safe supply of electric energy in social development.
At present, the protection measures for the power transmission line mainly include: and reinforcing the tower body of the electric tower or overhauling the power transmission line at regular intervals. This approach has the following problems: when the electric tower of the transmission line is more, a large amount of personnel are needed to participate in the maintenance, which wastes time and labor.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a high-voltage line tower deformation-resistant device, a deformation monitoring system and a deformation-resistant method, which can effectively solve the problems.
The technical scheme adopted by the invention is as follows:
the invention provides a high-voltage line tower anti-deformation device, comprising: the device comprises a high-voltage line tower base (1), an installation base (2) and an adjusting leveling module (3);
the top of the high-voltage line tower base (1) is fixedly provided with a plurality of installation foundations (2); the arrangement number of the installation bases (2) is the same as that of the tower legs of the high-voltage line tower (4); each installation foundation (2) is correspondingly provided with one adjusting leveling module (3);
each adjusting leveling module (3) comprises an upper connecting plate (3-1), a lower connecting plate (3-2), a connecting column (3-3), a connecting ball (3-4), a connecting screw rod (3-5), a bidirectional motor (3-6) and a gear (3-7);
the upper connecting plate (3-1) and the lower connecting plate (3-2) are arranged oppositely up and down; the four corners of the upper connecting plate (3-1) are respectively connected with the four corners of the lower connecting plate (3-2) through the connecting columns (3-3), and the upper connecting plate (3-1) and the lower connecting plate (3-2) are connected into a whole; the connecting column (3-3) comprises a connecting column body (3-3-1), the upper end of the connecting column body (3-3-1) forms a spherical upper end head (3-3-2), the lower end of the connecting column body (3-3-1) forms a spherical lower end head (3-3-3), and the spherical upper end head (3-3-2) is embedded into a corresponding spherical groove of the upper connecting plate (3-1); the spherical lower end head (3-3-3) is embedded into a corresponding spherical groove of the lower connecting plate (3-2); the upper surface of the lower connecting plate (3-2) is provided with a first hemispherical groove (3-2-1), and the lower surface of the upper connecting plate (3-1) is symmetrically provided with a second hemispherical groove; the diameters of the first hemispherical groove (3-2-1) and the second hemispherical groove are larger than the diameter of the connecting ball (3-4), the connecting ball (3-4) is clamped in the first hemispherical groove (3-2-1) and the second hemispherical groove, and the upper connecting plate (3-1) is slightly moved relative to the lower connecting plate (3-2); the upper connecting plate (3-1) is fixedly connected with one tower foot of the high-voltage line tower (4);
the mounting base (2) is provided with four threaded holes (2-1); each threaded hole (2-1) is correspondingly provided with one connecting screw rod (3-5); wherein the bottom of each connecting screw rod (3-5) is in threaded connection with the threaded hole (2-1); the top of each connecting screw rod (3-5) is rotatably connected with the corresponding position of the lower connecting plate (3-2) through a bearing;
the gear (3-7) is arranged at the center of each of the four connecting screw rods (3-5), the gear (3-7) is meshed with each connecting screw rod (3-5) simultaneously, the gear (3-7) is fixed with an output shaft of the bidirectional motor (3-6), the gear (3-7) is driven to rotate by the bidirectional motor (3-6), and when the gear (3-7) rotates, each connecting screw rod (3-5) is driven to move up and down.
Preferably, the bidirectional motor (3-6) is fixedly arranged at the center of the mounting base (2).
Preferably, the connecting screw rod (3-5) comprises a connecting screw rod body (3-5-1), a plurality of strip-shaped bulges (3-5-2) arranged at equal intervals are arranged on the surface of the connecting screw rod body (3-5-1), and the intervals between the adjacent strip-shaped bulges (3-5-2) are matched with the teeth of the gear (3-7); the surface of each elongated bulge (3-5-2) is provided with an external thread (3-5-3) matched with the threaded hole (2-1).
Preferably, the device also comprises a hard spring (5); the hard springs (5) are sleeved outside the connecting screw rods (3-5), one ends of the hard springs (5) are abutted to the upper surface of the mounting base (2), and the other ends of the hard springs (5) are abutted to the lower surface of the lower connecting plate (3-2).
The invention also provides a deformation monitoring system based on the high-voltage line tower anti-deformation device, which comprises the high-voltage line tower anti-deformation device, a motor control main board (6), a horizontal detection sensor (7), an electromagnetic wave distance measurement monitoring module (8), an information transmission module (9), an earth surface signal transmitting device (10) and a master control center, wherein the high-voltage line tower anti-deformation device comprises a power supply, a power supply and a power supply;
the middle part of each high-voltage line tower (4) is at the same height and on the same horizontal plane, and a plurality of horizontal detection sensors (7) are installed; the horizontal detection sensors (7) are vertical to each other;
the top of each high-voltage line tower (4) is provided with the electromagnetic wave distance measurement monitoring module (8) and the information transmission module (9); the bidirectional motors (3-6) are connected with the motor control main board (6);
installing a plurality of surface signal transmitting devices (10) on the ground of a monitoring area;
the horizontal detection sensor (7), the electromagnetic wave distance measurement monitoring module (8) and the motor control mainboard (6) are all in signal connection with the master control center through the information transmission module (9).
The invention also provides a deformation-resistant monitoring method of the deformation monitoring system, which comprises the following steps:
step 1, installing a plurality of high-voltage line towers (4) in a monitoring area; each high-voltage line tower (4) is provided with a high-voltage line tower anti-deformation device, a motor control main board (6), a horizontal detection sensor (7), an electromagnetic wave distance measurement monitoring module (8) and an information transmission module (9);
selecting a plurality of earth surface monitoring points on the earth surface of the monitoring area, and installing an earth surface signal transmitting device (10) at each earth surface monitoring point;
during the monitoring period, the earth surface signal transmitting device (10) simultaneously transmits electromagnetic waves to the n high-voltage line towers (4) according to the period;
meanwhile, each high-voltage line tower (4) transmits electromagnetic waves to other n-1 high-voltage line towers (4) periodically through a high-voltage line tower electromagnetic transmitting unit; therefore, the high-voltage line tower (4) receives the electromagnetic waves of other n-1 high-voltage line towers (4) through the high-voltage line tower electromagnetic receiving unit and simultaneously receives the electromagnetic waves from the ground surface signal transmitting device (10);
therefore, for each high-voltage line tower (4), in each monitoring period, calculating the distance value of other n-1 high-voltage line towers (4) relative to the high-voltage line tower, and calculating the distance value of each ground surface monitoring point relative to the high-voltage line tower;
and 3, in the monitoring period, for the n high-voltage line towers (4), selecting the high-voltage line tower meeting the following conditions as a control tower:
condition 1: in the first two monitoring periods, the high-voltage line tower does not incline; the judgment method is as follows: determining whether the high-voltage line tower is inclined or not by analyzing the detection data of a horizontal detection sensor (7) of the high-voltage line tower;
condition 2: in the first two monitoring periods, the high-voltage line tower is not deformed; the judgment method is as follows: the high-voltage line tower is not started with a bidirectional motor (3-6) for adjustment and leveling;
then, for the distance values measured by each control tower, the distance intersection method and the least square solution are adopted to obtain the actual measurement position information of the high-voltage line tower of each high-voltage line tower (4) and the actual measurement position information of the ground surface monitoring points of each ground surface monitoring point;
comparing the standard position information of the earth surface monitoring points of each earth surface monitoring point with the actually measured position information of the earth surface monitoring points, and obtaining the conclusion of the deformation of the earth surface monitoring points if the actually measured position information of the earth surface monitoring points deviates from the standard position information of the earth surface monitoring points and exceeds a threshold value;
step 6, in the same monitoring period, when a conclusion that a certain high-voltage line tower (4) deforms is obtained, according to the deformation situation of the high-voltage line tower (4), the adjusting leveling module (3) of the corresponding high-voltage line tower (4) is controlled, and therefore the high-voltage line tower (4) is adjusted to be in an undeformed state through controlling the two-way motor (3-6);
Preferably, the method further comprises the following steps:
and 8, comprehensively analyzing the deformation conditions of the earth surface monitoring points and the deformation conditions of the high-voltage line towers (4) after the monitoring is finished, and obtaining the influence factors for deforming the high-voltage line towers (4).
The deformation-resistant device, the deformation monitoring system and the deformation-resistant method for the high-voltage line tower have the following advantages:
the deformation-resistant device, the deformation monitoring system and the deformation-resistant method for the high-voltage line tower can effectively monitor the deformation of the high-voltage transmission tower, automatically adjust the deformation condition of the high-voltage line tower, keep the high-voltage line tower in an undeformed state, avoid the inclination of the high-voltage line tower and even the damage of electric facilities caused by surface deformation or other uncertain factors, and ensure the safe and reliable work of the high-voltage line tower. The invention has the advantages of simple and efficient monitoring and reduction of workload of maintainers.
Drawings
Fig. 1 is a schematic view of a high voltage tower anti-deformation device provided by the invention when a high voltage tower base is hidden;
FIG. 2 is a diagram of the manner in which the high voltage tower base and mounting base of the present invention are assembled;
FIG. 3 is a block diagram of an adjustable screed module provided in accordance with the present invention;
FIG. 4 is a view of the assembly of the adjustable screed module and the mounting base provided by the present invention;
FIG. 5 is an exploded view of the adjustable screed module provided in accordance with the present invention;
FIG. 6 is a schematic view of a connection screw provided in accordance with the present invention, without external threads;
fig. 7 is a diagram of the arrangement of the surface signal emitting device provided by the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In order to realize automatic adjustment of deformation of a high-voltage power transmission tower, avoid inclination of the power transmission tower and even damage of electric facilities caused by surface deformation or other uncertain factors, monitor key areas and meet the requirements of deformation monitoring, automatic adjustment, early warning and the like, the invention designs and manufactures a high-voltage power transmission tower deformation-resistant device and a peripheral area deformation monitoring system by utilizing a level detection sensor, an adjustment leveling module and a wireless transmission technology. The labor intensity can be greatly reduced, and the automatic monitoring work of key areas can be realized.
The present invention provides a high voltage line tower anti-deformation device, referring to fig. 1, comprising: the device comprises a high-voltage line tower base 1, an installation base 2 and an adjusting leveling module 3;
referring to fig. 2, a plurality of installation bases 2 are fixedly installed on the top of a high-voltage line tower base 1; the installation foundation 2 is formed by pouring concrete at one time; threaded holes are processed on the installation base, and the positions and the sizes of the threaded holes are consistent with those of the connecting screw rods.
The arrangement number of the installation bases 2 is the same as that of the tower legs of the high-voltage line tower 4; each installation foundation 2 is correspondingly provided with an adjusting leveling module 3; normally, the high-voltage line tower 4 has four tower legs, and therefore, four installation bases 2 need to be installed. The upper surface of each installation foundation 2 is connected with a corresponding tower foot through an adjusting leveling module 3.
Referring to fig. 3 and 4, each adjusting and leveling module 3 comprises an upper connecting plate 3-1, a lower connecting plate 3-2, a connecting column 3-3, a connecting ball 3-4, a connecting screw rod 3-5, a bidirectional motor 3-6 and a gear 3-7;
the upper connecting plate 3-1 and the lower connecting plate 3-2 are arranged oppositely up and down; the four corners of the upper connecting plate 3-1 are respectively connected with the four corners of the lower connecting plate 3-2 through a connecting column 3-3, and the upper connecting plate 3-1 and the lower connecting plate 3-2 are further connected to form a whole; the connecting column 3-3 comprises a connecting column body 3-3-1, the upper end of the connecting column body 3-3-1 forms a spherical upper end 3-3-2, the lower end of the connecting column body 3-3-1 forms a spherical lower end 3-3-3, and the spherical upper end 3-3-2 is embedded into a corresponding spherical groove of the upper connecting plate 3-1; the spherical lower end 3-3-3 is embedded into a corresponding spherical groove of the lower connecting plate 3-2; the upper surface of the lower connecting plate 3-2 is formed with a first hemispherical groove 3-2-1, and the lower surface of the upper connecting plate 3-1 is symmetrically formed with a second hemispherical groove; the diameters of the first hemispherical groove 3-2-1 and the second hemispherical groove are larger than the diameter of the connecting ball 3-4, the connecting ball 3-4 is clamped in the first hemispherical groove 3-2-1 and the second hemispherical groove, and the upper connecting plate 3-1 moves slightly relative to the lower connecting plate 3-2; the upper connecting plate 3-1 is fixedly connected with a tower foot of the high-voltage line tower 4; the upper connecting plate 3-1 and the lower connecting plate 3-2 are connected through the connecting columns 3-3 and the connecting balls 3-4, and the flexible connection mode is substantially a flexible connection mode, so that the rigid acting force on the tower in the adjusting process is reduced, and the damage to the structure of the tower body is avoided.
The mounting base 2 is provided with four threaded holes 2-1; each threaded hole 2-1 is correspondingly provided with a connecting screw rod 3-5; wherein the bottom of each connecting screw rod 3-5 is in threaded connection with the threaded hole 2-1; the top of each connecting screw rod 3-5 is rotatably connected with the corresponding position of the lower connecting plate 3-2 through a bearing;
a gear 3-7 is arranged in the center of each of the four connecting screw rods 3-5, the gears 3-7 are simultaneously meshed with the connecting screw rods 3-5, the gears 3-7 are fixed with output shafts of two-way motors 3-6, and the two-way motors 3-6 are fixedly arranged in mounting holes in the center of the mounting base 2; under the drive of the bidirectional motors 3-6, the gears 3-7 are driven to rotate in the forward direction or the reverse direction, and when the gears 3-7 rotate, the connecting screw rods 3-5 are driven to move up and down.
In this application, motor control mainboard 6 and two-way motor encapsulation protection prevent to rust and wet, guarantee the flexibility of mechanical mechanism in the accommodation process.
In practical application, as shown in fig. 6, the connecting screw 3-5 comprises a connecting screw body 3-5-1, the surface of the connecting screw body 3-5-1 is provided with a plurality of strip-shaped bulges 3-5-2 arranged at equal intervals, and the interval between every two adjacent strip-shaped bulges 3-5-2 is matched with the teeth of the gear 3-7; therefore, the connecting screw 3-5 can be driven to rotate by the driving of the gear 3-7. And because the surface of each elongated protrusion 3-5-2 is provided with an external thread 3-5-3 matched with the threaded hole 2-1, and the connecting screw rod 3-5 is in threaded connection with the threaded hole 2-1, when the connecting screw rod 3-5 rotates, the lifting motion can be carried out around the threaded hole.
Also comprises a hard spring 5; the hard spring 5 is sleeved outside each connecting screw rod 3-5, one end of the hard spring 5 is propped against the upper surface of the mounting base 2, and the other end of the hard spring 5 is propped against the lower surface of the lower connecting plate 3-2. By installing the hard spring 5, the force of the connecting screw rods 3-5 for lifting movement under the driving of the two-way motors 3-6 can be relieved, so that the actions of the connecting screw rods 3-5 are eased, and the damage to the structure of the tower body is avoided.
The invention also provides a deformation monitoring system based on the high-voltage line tower anti-deformation device, which comprises the high-voltage line tower anti-deformation device, a motor control mainboard 6, a horizontal detection sensor 7, an electromagnetic wave distance measurement monitoring module 8, an information transmission module 9, an earth surface signal transmitting device 10 and a master control center;
the middle part of each high-voltage line tower 4 is at the same height and on the same horizontal plane, and a plurality of horizontal detection sensors 7 are arranged; the horizontal detection sensors 7 are perpendicular to each other; by analyzing each of the level detecting sensors 7, it is possible to determine whether the high-voltage line tower 4 is inclined.
The top of each high-voltage line tower 4 is provided with an electromagnetic wave distance measurement monitoring module 8 and an information transmission module 9; the bidirectional motors 3-6 are connected with a motor control main board 6;
referring to fig. 7, a plurality of surface signal emitting devices 10 are installed on the ground of the monitoring area;
the level detection sensor 7, the electromagnetic wave distance measurement monitoring module 8 and the motor control mainboard 6 are in signal connection with the master control center through the information transmission module 9.
The deformation-resistant monitoring method of the deformation monitoring system comprises the following steps:
step 1, installing a plurality of high-voltage line towers 4 in a monitoring area; each high-voltage line tower 4 is provided with a high-voltage line tower anti-deformation device, a motor control mainboard 6, a horizontal detection sensor 7, an electromagnetic wave distance measurement monitoring module 8 and an information transmission module 9;
selecting a plurality of earth surface monitoring points on the earth surface of the monitoring area, and installing an earth surface signal transmitting device 10 at each earth surface monitoring point;
and during actual installation, selecting a position for facilitating signal receiving and transmitting for installation. Wherein, the earth surface monitoring point is provided with an earth surface signal transmitting device 10 only having a signal transmitting function; and the electromagnetic wave distance measurement monitoring module 8 installed on the high-voltage line tower 4 has a signal transmitting function, a signal receiving function and a signal analyzing function at the same time.
The information transmission module 9 is arranged at the top of the high-voltage line tower 4, so that data transmission is convenient to monitor, and the relative safety of the data transmission can be protected.
during the monitoring period, the earth surface signal transmitting device 10 simultaneously transmits electromagnetic waves to the n high-voltage line towers 4 according to the period;
meanwhile, each high-voltage line tower 4 transmits electromagnetic waves to other n-1 high-voltage line towers 4 periodically through a high-voltage line tower electromagnetic transmitting unit; therefore, the high-voltage line tower 4 receives the electromagnetic waves of the other n-1 high-voltage line towers 4 through the high-voltage line tower electromagnetic receiving unit and simultaneously receives the electromagnetic waves from the ground surface signal transmitting device 10;
therefore, for each high-voltage line tower 4, in each monitoring period, the distance value of each other n-1 high-voltage line towers 4 relative to the high-voltage line tower is calculated, and the distance value of each earth surface monitoring point relative to the high-voltage line tower 4 is calculated;
condition 1: in the first two monitoring periods, the high-voltage line tower does not incline; the judgment method is as follows: determining whether the high-voltage line tower is inclined or not by analyzing the detection data of the horizontal detection sensor 7 of the high-voltage line tower;
condition 2: in the first two monitoring periods, the high-voltage line tower is not deformed; the judgment method is as follows: the high-voltage line tower is not started with a bidirectional motor 3-6 for adjustment and leveling;
then, for the distance values measured by each control tower, adopting a distance intersection method and a least square solution method to obtain the actual measurement position information of the high-voltage line tower 4 of each high-voltage line tower and the actual measurement position information of the ground surface monitoring points of each ground surface monitoring point;
comparing the standard position information of the earth surface monitoring points of each earth surface monitoring point with the actually measured position information of the earth surface monitoring points, and obtaining the conclusion of the deformation of the earth surface monitoring points if the actually measured position information of the earth surface monitoring points deviates from the standard position information of the earth surface monitoring points and exceeds a threshold value;
step 6, in the same monitoring period, when a conclusion that a certain high-voltage line tower 4 deforms is obtained, the adjusting leveling module 3 of the corresponding high-voltage line tower 4 is controlled according to the deformation situation of the high-voltage line tower 4, so that the high-voltage line tower 4 is adjusted to be in an undeformed state through controlling the bidirectional motors 3-6;
specifically, assume that a certain high-voltage line tower 4 takes place to warp, according to the concrete condition of deformation, control 4 regulation flattening modules 3 to adjust high-voltage line tower 4's column foot height, improve the column foot height that the position is low, thereby make 4 column foot height equal, realize the effect of adjusting the flattening promptly, prevent that high-voltage line tower 4 from producing too big slope, guarantee high-voltage line tower 4 safety.
And 8, comprehensively analyzing the deformation conditions of the earth surface monitoring points and the deformation conditions of the high-voltage line towers 4 after the monitoring is finished, and obtaining the influence factors for deforming the high-voltage line towers 4.
In the installation and construction of a power transmission line in a certain area, the specific process of the system is as follows:
1) and (4) excavating the foundation after determining the installation position of the high-voltage line tower according to the lofting of the design scheme of the power transmission line, and determining the excavation depth of the foundation and the size of the foundation of the tower base according to the design parameters and the local geological soil condition.
2) The high-voltage line tower base 1 is poured according to the size, four installation bases 2 are poured simultaneously when the high-voltage line tower base 1 is poured, threaded holes 2-1 and assembly holes for installing bidirectional motors 3-6 are manufactured on the four installation bases 2 according to a certain size, and the size and the position are strictly consistent with the position and the size of connecting screw rods 3-5 in the leveling module 3.
3) And (5) after the concrete structure is solidified, finishing pouring of the high-voltage line tower base 1, namely, starting to adjust the leveling module 3 and the machining and installing work of the power transmission tower.
Firstly, according to the installation requirement and the strength requirement, a connecting screw rod 3-5, a hard spring, a motor control main board 6 and a bidirectional motor 3-6 are installed above a threaded hole 2-1 according to design, after the installation of the part is completed, a connecting mechanism is formed by assembling an upper connecting plate 3-1, a lower connecting plate 3-2, a connecting column 3-3 and a connecting ball 3-4, and the connecting mechanism is installed on the connecting screw rod 3-5.
After the components are basically installed, the electric tower is installed according to the traditional method, two horizontal detection sensors 7 which are perpendicular to each other are installed in the middle of the electric tower, and an electromagnetic wave distance measurement monitoring module 8 and an information transmission module 9 are installed at the top of the electric tower, so that the installation of monitoring and adjusting of a single electric tower is completed.
The information transmission module 9 is installed on the top of the power transmission tower, so that monitoring data transmission is facilitated, and a plurality of interfaces are reserved, so that arrangement of other monitoring means or transmission of related data are facilitated. The power supply of the part is directly arranged on a power line after corresponding voltage transformation measures are adopted, namely all power consumption elements are connected together.
The installation of the deformation monitoring system of the single intelligent high-voltage line tower deformation-resistant device is completed, and other transmission towers are installed according to the method. And installing and laying all the earth surface signal transmitting devices 10 in the ground area according to a certain rule or monitoring requirement, namely finishing the laying of the regional intelligent monitoring network.
4) And then, acquiring and storing coordinates of all the electromagnetic wave distance measurement monitoring modules 8 of the electric tower part in a measuring mode. And (3) acquiring first-stage data by using the designed electromagnetic ranging method and the distance intersection method for the coordinates of all the ground monitoring points. And storing and visualizing the first-stage data, and setting a certain data acquisition period for monitoring, namely completing the installation and layout work of the system.
The deformation-resistant device, the deformation monitoring system and the deformation-resistant method for the high-voltage line tower have the following advantages:
(1) the adjusting leveling module is a flexible adjusting structure, so that the rigid acting force on the tower in the adjusting process can be effectively reduced, and the damage to the structure of the tower body is avoided;
(2) the deformation of the high-voltage power transmission tower can be effectively monitored, the deformation condition of the high-voltage power transmission tower is automatically adjusted, the high-voltage power transmission tower is kept in an undeformed state, the electric tower inclination and even the damage of electric facilities caused by ground surface deformation or other uncertain factors are avoided, and the safe and reliable work of the high-voltage power transmission tower is ensured. The invention has the advantages of simple and efficient monitoring and reduction of workload of maintainers.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and improvements can be made without departing from the principle of the present invention, and such modifications and improvements should also be considered within the scope of the present invention.
Claims (7)
1. A high-voltage line tower anti-deformation device is characterized by comprising: the device comprises a high-voltage line tower base (1), an installation base (2) and an adjusting leveling module (3);
the top of the high-voltage line tower base (1) is fixedly provided with a plurality of installation foundations (2); the arrangement number of the installation bases (2) is the same as that of the tower legs of the high-voltage line tower (4); each installation foundation (2) is correspondingly provided with one adjusting leveling module (3);
each adjusting leveling module (3) comprises an upper connecting plate (3-1), a lower connecting plate (3-2), a connecting column (3-3), a connecting ball (3-4), a connecting screw rod (3-5), a bidirectional motor (3-6) and a gear (3-7);
the upper connecting plate (3-1) and the lower connecting plate (3-2) are arranged oppositely up and down; the four corners of the upper connecting plate (3-1) are respectively connected with the four corners of the lower connecting plate (3-2) through the connecting columns (3-3), and the upper connecting plate (3-1) and the lower connecting plate (3-2) are connected into a whole; the connecting column (3-3) comprises a connecting column body (3-3-1), the upper end of the connecting column body (3-3-1) forms a spherical upper end head (3-3-2), the lower end of the connecting column body (3-3-1) forms a spherical lower end head (3-3-3), and the spherical upper end head (3-3-2) is embedded into a corresponding spherical groove of the upper connecting plate (3-1); the spherical lower end head (3-3-3) is embedded into a corresponding spherical groove of the lower connecting plate (3-2); the upper surface of the lower connecting plate (3-2) is provided with a first hemispherical groove (3-2-1), and the lower surface of the upper connecting plate (3-1) is symmetrically provided with a second hemispherical groove; the diameters of the first hemispherical groove (3-2-1) and the second hemispherical groove are larger than the diameter of the connecting ball (3-4), the connecting ball (3-4) is clamped in the first hemispherical groove (3-2-1) and the second hemispherical groove, and the upper connecting plate (3-1) is slightly moved relative to the lower connecting plate (3-2); the upper connecting plate (3-1) is fixedly connected with one tower foot of the high-voltage line tower (4);
the mounting base (2) is provided with four threaded holes (2-1); each threaded hole (2-1) is correspondingly provided with one connecting screw rod (3-5); wherein the bottom of each connecting screw rod (3-5) is in threaded connection with the threaded hole (2-1); the top of each connecting screw rod (3-5) is rotatably connected with the corresponding position of the lower connecting plate (3-2) through a bearing;
the gear (3-7) is arranged at the center of each of the four connecting screw rods (3-5), the gear (3-7) is meshed with each connecting screw rod (3-5) simultaneously, the gear (3-7) is fixed with an output shaft of the bidirectional motor (3-6), the gear (3-7) is driven to rotate by the bidirectional motor (3-6), and when the gear (3-7) rotates, each connecting screw rod (3-5) is driven to move up and down.
2. The anti-deformation device for high-voltage line towers according to claim 1, characterized in that the bidirectional motors (3-6) are fixedly mounted in the central position of the mounting base (2).
3. The high-voltage line tower deformation-resistant device according to claim 1, wherein the connecting screw (3-5) comprises a connecting screw body (3-5-1), the surface of the connecting screw body (3-5-1) is provided with a plurality of strip-shaped bulges (3-5-2) arranged at equal intervals, and the intervals between the adjacent strip-shaped bulges (3-5-2) are matched with the teeth of the gear (3-7); the surface of each elongated bulge (3-5-2) is provided with an external thread (3-5-3) matched with the threaded hole (2-1).
4. The high voltage line tower deformation resistant device according to claim 1, further comprising a hard spring (5); the hard springs (5) are sleeved outside the connecting screw rods (3-5), one ends of the hard springs (5) are abutted to the upper surface of the mounting base (2), and the other ends of the hard springs (5) are abutted to the lower surface of the lower connecting plate (3-2).
5. A deformation monitoring system based on the high-voltage line tower anti-deformation device of any one of claims 1 to 4, characterized by comprising the high-voltage line tower anti-deformation device of any one of claims 1 to 4, a motor control main board (6), a level detection sensor (7), an electromagnetic wave distance measurement monitoring module (8), an information transmission module (9), a ground surface signal transmitting device (10) and a master control center;
the middle part of each high-voltage line tower (4) is at the same height and on the same horizontal plane, and a plurality of horizontal detection sensors (7) are installed; the horizontal detection sensors (7) are vertical to each other;
the top of each high-voltage line tower (4) is provided with the electromagnetic wave distance measurement monitoring module (8) and the information transmission module (9); the bidirectional motors (3-6) are connected with the motor control main board (6);
installing a plurality of surface signal transmitting devices (10) on the ground of a monitoring area;
the horizontal detection sensor (7), the electromagnetic wave distance measurement monitoring module (8) and the motor control mainboard (6) are all in signal connection with the master control center through the information transmission module (9).
6. A method of deformation-resistant monitoring of a deformation monitoring system according to claim 5, comprising the steps of:
step 1, installing a plurality of high-voltage line towers (4) in a monitoring area; each high-voltage line tower (4) is provided with a high-voltage line tower anti-deformation device, a motor control main board (6), a horizontal detection sensor (7), an electromagnetic wave distance measurement monitoring module (8) and an information transmission module (9);
selecting a plurality of earth surface monitoring points on the earth surface of the monitoring area, and installing an earth surface signal transmitting device (10) at each earth surface monitoring point;
step 2, the master control center prestores the standard position information of the high-voltage line tower of each high-voltage line tower (4) and the standard position information of the earth surface monitoring points of each earth surface monitoring point;
step 3, assuming that the monitoring area has n high-voltage line towers (4); each electromagnetic wave distance measurement monitoring module (8) comprises a high-voltage line tower electromagnetic transmitting unit, a high-voltage line tower electromagnetic receiving unit and a high-voltage line tower distance calculating module;
during the monitoring period, the earth surface signal transmitting device (10) simultaneously transmits electromagnetic waves to the n high-voltage line towers (4) according to the period;
meanwhile, each high-voltage line tower (4) transmits electromagnetic waves to other n-1 high-voltage line towers (4) periodically through a high-voltage line tower electromagnetic transmitting unit; therefore, the high-voltage line tower (4) receives the electromagnetic waves of other n-1 high-voltage line towers (4) through the high-voltage line tower electromagnetic receiving unit and simultaneously receives the electromagnetic waves from the ground surface signal transmitting device (10);
therefore, for each high-voltage line tower (4), in each monitoring period, calculating the distance value of other n-1 high-voltage line towers (4) relative to the high-voltage line tower, and calculating the distance value of each ground surface monitoring point relative to the high-voltage line tower;
and 3, in the monitoring period, for the n high-voltage line towers (4), selecting the high-voltage line tower meeting the following conditions as a control tower:
condition 1: in the first two monitoring periods, the high-voltage line tower does not incline; the judgment method is as follows: determining whether the high-voltage line tower is inclined or not by analyzing the detection data of a horizontal detection sensor (7) of the high-voltage line tower;
condition 2: in the first two monitoring periods, the high-voltage line tower is not deformed; the judgment method is as follows: the high-voltage line tower is not started with a bidirectional motor (3-6) for adjustment and leveling;
step 4, therefore, in the monitoring period, assuming that m control towers are screened out in total; each control tower calculates the distance value of other n-1 high-voltage line towers (4) relative to the control tower, and calculates the distance value of each ground surface monitoring point relative to the control tower;
then, for the distance values measured by each control tower, the distance intersection method and the least square solution are adopted to obtain the actual measurement position information of the high-voltage line tower of each high-voltage line tower (4) and the actual measurement position information of the ground surface monitoring points of each ground surface monitoring point;
step 5, comparing the standard position information of the high-voltage line tower of each high-voltage line tower (4) with the actually-measured position information of the high-voltage line tower, and if the actually-measured position information of the high-voltage line tower deviates from the standard position information of the high-voltage line tower and exceeds a threshold value, obtaining a conclusion corresponding to the deformation of the high-voltage line tower (4);
comparing the standard position information of the earth surface monitoring points of each earth surface monitoring point with the actually measured position information of the earth surface monitoring points, and obtaining the conclusion of the deformation of the earth surface monitoring points if the actually measured position information of the earth surface monitoring points deviates from the standard position information of the earth surface monitoring points and exceeds a threshold value;
step 6, in the same monitoring period, when a conclusion that a certain high-voltage line tower (4) deforms is obtained, according to the deformation situation of the high-voltage line tower (4), the adjusting leveling module (3) of the corresponding high-voltage line tower (4) is controlled, and therefore the high-voltage line tower (4) is adjusted to be in an undeformed state through controlling the two-way motor (3-6);
step 7, entering the next monitoring period; therefore, the deformation condition of the high-voltage line tower (4) is monitored in real time, and the high-voltage line tower (4) is leveled in time.
7. The deformation-resistant monitoring method of claim 6, further comprising:
and 8, comprehensively analyzing the deformation conditions of the earth surface monitoring points and the deformation conditions of the high-voltage line towers (4) after the monitoring is finished, and obtaining the influence factors for deforming the high-voltage line towers (4).
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| CN112648146A (en) * | 2020-12-18 | 2021-04-13 | 华能煤炭技术研究有限公司 | Tower frame deviation rectifying method, device and system |
| CN114034285A (en) * | 2021-11-04 | 2022-02-11 | 蚌埠高灵传感系统工程有限公司 | High-voltage line tower safety inspection equipment based on sensor |
| CN114197313A (en) * | 2021-12-22 | 2022-03-18 | 中铁七局集团有限公司 | Intelligent monitoring device for construction safety of tower for hoisting span arch bridge |
| CN114278139A (en) * | 2021-11-26 | 2022-04-05 | 内蒙古电力(集团)有限责任公司鄂尔多斯电业局 | Mining-correcting cooperative power transmission tower maintenance method |
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