CN111623737B - Pole tower displacement monitoring device - Google Patents

Abstract

The invention discloses a pole tower displacement monitoring device, and relates to the technical field of power transmission. The tower displacement monitoring device comprises a shell, a suspension mechanism and a displacement measuring mechanism. The shell is arranged on a tower; the suspension mechanism is arranged in the shell and comprises a connecting piece and a weight, the top end of the connecting piece is in universal connection with the shell, and the weight is arranged at the bottom end of the connecting piece so that the connecting piece can rotate towards any direction relative to the shell to keep a plumb state; the displacement measuring mechanism is arranged in the shell and comprises a plurality of displacement meters, and the displacement meters are arranged around the peripheral surface of the weight so as to measure the displacement of the weight relative to the shell in the direction corresponding to each displacement meter. The tower displacement monitoring device has the capabilities of high sensitivity and real-time displacement monitoring, can monitor and measure the inclination condition of the tower, and plays an important role in daily maintenance and risk early warning of the tower.

Description

A tower displacement monitoring device

technical field

The invention relates to the technical field of power transmission, in particular to a pole tower displacement monitoring device.

Background technique

With the growth of the national economy, the demand for electric energy is increasing day by day, and the energy distribution in our country is uneven, so the establishment of long-distance high-voltage transmission lines is a trend. Longer transmission lines make it more difficult to maintain the transmission lines, especially to measure the inclination of the towers. Tower tilt measurement is an important task in the operation and maintenance of transmission lines. There are two main ways to measure the inclination of the tower. One is to use the displacement measuring instrument to regularly measure and record the displacement of the tower. However, this kind of instrument cannot measure the inclination of the tower in real time, and there is no recorder after the tower collapse accident. To record the whole process of the accident, it is impossible to analyze the cause of the accident, which is not conducive to the progress of prevention work. The other is the tower displacement monitoring device, which can remotely monitor the inclination and settlement of the tower, but the sensitivity is not high, and it cannot intelligently generate the displacement direction and record the displacement process of the tower.

In view of the above problems, it is necessary to develop a tower displacement monitoring device to solve the problems of low sensitivity of existing devices, inability to intelligently generate displacement directions, and inability to record accident processes.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a pole tower displacement monitoring device, which has high sensitivity and can monitor and record the occurrence process of accidents in real time.

For this purpose, the present invention adopts the following technical solutions:

A pole tower displacement monitoring device, characterized in that it includes:

Shell, installed on the tower;

A suspension mechanism is arranged in the casing, the suspension mechanism includes a connecting piece and a weight, the top end of the connecting piece is universally connected with the casing, and the weight is arranged at the bottom end of the connecting piece , so that the connecting piece can be rotated in any direction relative to the casing to maintain a vertical state;

A displacement measuring mechanism is arranged in the casing, the displacement measuring mechanism includes a plurality of displacement gauges, and the plurality of displacement gauges are arranged around the outer peripheral surface of the weight to measure the relative position of the weight relative to the casing. The amount of displacement in the direction corresponding to each of the displacement meters.

Preferably, the weight is a sphere, and the plurality of displacement meters are evenly distributed around the spherical surface of the sphere.

Preferably, the displacement gauge includes a body and a retractable probe connected to the body, the body is connected to the housing, and the probe abuts the sphere.

Preferably, the suspension mechanism further includes an elastic member, the connecting member includes a first rod and a second rod arranged up and down, and two ends of the elastic member are respectively connected to the first rod and the second rod.

Preferably, the suspending mechanism further includes a protective sleeve sleeved on the outside of the elastic member.

Preferably, a vibration generating mechanism is installed on the casing.

Preferably, the vibration generating mechanism includes:

a motor disposed on the housing; and

The rotating member is connected with the output shaft of the motor and arranged eccentrically, and the rotating member can rotate and generate vibration under the driving of the motor.

Preferably, a vibration amplifying mechanism is installed on the casing, and the rotating member can periodically impact the vibration amplifying mechanism.

Preferably, the vibration amplifying mechanism is a rod-shaped object with a spherical end at one end, and the other end is rotatably connected to the housing.

Preferably, the tower displacement monitoring device further includes a signal transmission mechanism, the signal transmission mechanism is electrically connected with the displacement measurement mechanism, and the signal transmission mechanism can collect and transmit the displacement measured by the displacement measurement mechanism in real time. to Data Analysis.

Beneficial effects of the present invention:

The invention provides a pole tower displacement monitoring device, which is installed on the pole tower. In this device, the connecting piece is in a vertical state under the gravity of the heavy object, and all the displacement measuring mechanisms are in the initial state at this time. When the tower is tilted, the shell is also tilted, but the connecting piece is still in a vertical state. At this time, the position of the heavy object will have a displacement compared with the position of the initial state. A displacement meter can measure and record the displacement direction of the heavy object and the moving distance in each direction, so as to facilitate the recording of the whole process of the accident and facilitate the analysis of the cause of the accident; when the tower is tilted, the movement of the heavy object relative to the shell under the action of gravity responds quickly , by detecting the moving displacement of the heavy object, the detection speed can be increased; by increasing the length of the connecting piece, when the tower has a small inclination angle, the heavy object has a relatively large displacement, thereby improving the sensitivity. Since the device is extremely sensitive, the installation position does not need to be very high, which is convenient for operation.

The connecting pieces in the suspension mechanism are arranged as first connecting pieces and second connecting pieces connected by springs. When the tower has a sudden displacement due to local fractures, etc., the casing and the displacement measuring mechanism fixed on the casing will also have a sudden displacement. Due to the elastic potential energy of the spring, the spherical end of the suspension mechanism will maintain the original state and not A sudden displacement will occur. At this time, the displacement measuring mechanism measures a displacement, and then the elastic potential energy of the spring is released. The connecting piece performs a pendulum motion under the gravity of the heavy object, and gradually returns to the vertical state. The displacement recorded by the displacement meter will be With the pendulum movement of the heavy object, it is repetitive, and the cause of the accident can be obtained through the analysis of the data.

In actual use, the tower displacement monitoring device needs to be frequently detected to determine whether the measured displacement is caused by the looseness of the device itself. Turn on the motor to drive the vibration generating mechanism to generate vibration, and the vibration amplitude is amplified by the vibration amplification mechanism. If the tower displacement monitoring device is not loose at this time, the position of the suspension mechanism after the motor stops and the device is stabilized should be consistent with the position before the detection. , the displacement detected by the displacement measuring mechanism is zero; if the tower displacement monitoring device has been loosened at this time, the position of the suspension mechanism after the motor stops and the device is stabilized is different from the position before the detection, and the displacement detected by the displacement measuring mechanism is not zero. Thereby, it is judged whether the tower displacement monitoring device has been loosened.

Description of drawings

Fig. 1 is a front view of a tower displacement monitoring device provided in Embodiment 1 of the present invention;

Fig. 2 is the front view of the tower displacement monitoring device provided by the second embodiment of the present invention;

3 is a schematic structural diagram of a suspension mechanism provided in Embodiment 2 of the present invention;

FIG. 4 is a front view of a tower displacement monitoring device provided in Embodiment 3 of the present invention.

in:

1. Shell; 2. Suspension mechanism; 3. First connecting rod; 4. Second connecting rod; 5. Connecting piece; 6. Elastic piece; 7. Protective cover; 8. Weight; 9. Displacement meter; 10 , rotating parts; 11, vibration amplification mechanism; 12, signal transmission mechanism.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein the same or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary, and are intended to explain the present invention and should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed to indicate or imply relative importance. Therein, the terms "first position" and "second position" are two different positions.

Unless otherwise expressly specified and limited, the terms "installed", "connected", "connected" and "fixed" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection; it may be a mechanical connection, or a It can be an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be an internal connection between two elements or an interaction relationship between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Unless otherwise expressly specified and limited, a first feature "on" or "under" a second feature may include the first feature and the second feature in direct contact, or may include the first feature and the second feature not in direct contact Rather, they are contacted by additional features between them. Also, the first feature being "above", "over" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature. The first feature is "below", "below" and "below" the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.

The technical solutions of the present invention will be further described below with reference to the accompanying drawings and through specific embodiments.

first embodiment

This embodiment provides a tower displacement monitoring device, as shown in FIG. 1 . The tower displacement monitoring device includes a casing 1, a suspension mechanism 2 and a displacement measuring mechanism. The outer shell 1 is installed on the tower; the suspension mechanism 2 is arranged in the outer shell 1, including a connecting piece 5 and a weight 8, the top of the connecting piece 5 is universally connected with the shell 1, and the weight 8 is arranged at the bottom end of the connecting piece 5, So that the connector 5 can be rotated in any direction relative to the housing 1 to maintain a vertical state; the displacement measuring mechanism is arranged in the housing 1, including a plurality of displacement gauges 9, and the plurality of displacement gauges 9 are arranged around the outer peripheral surface of the weight 8, To measure the displacement of the weight 8 relative to the housing 1 in the direction corresponding to each displacement meter 9 .

In this embodiment, in order to improve the accuracy of the displacement monitoring of the tower, the displacement measuring mechanisms are arranged on 25 displacement meters 9 in total. Specifically, the displacement gauges 9 are placed every 45 degrees on the horizontal plane where the center of gravity of the weight 8 is located, and a total of 8 displacement gauges 9 are placed; each displacement gauge 9 on the horizontal plane takes the center of gravity of the weight 8 as the center of the circle and extends upward or downward in the vertical direction Place a displacement gauge 9 at each position rotated by 45 degrees, and place a total of 16; place a displacement gauge 9 under the weight 8 so that it is in the direction of the vertical line where the center of gravity of the weight 8 is, and place a total of 1. The displacement measuring mechanism includes a total of 25 displacement meters 9 .

In other embodiments, the number of displacement gauges 9 and the measurement direction of each displacement gauge 9 can be adjusted as required.

In the actual use process, after the pole tower displacement monitoring device is fixed on the pole tower and installed, when the suspension mechanism 2 is stably in a vertical state under the action of gravity, all displacement meters 9 are zeroed as the initial state of the device. . If the measured tower is inclined after the tower displacement monitoring device is installed, the tower displacement monitoring device will be inclined along with the tower. This process is relatively slow, and the suspension mechanism 2 will rotate relative to the shell 1 around the universal connection point to maintain the vertical At this time, the weight 8 of the suspension mechanism 2 will have a certain displacement. The displacement meter 9 surrounding the outer peripheral surface of the weight 8 can obtain the inclination angle and displacement of the tower by measuring the displacement in each direction and performing data analysis.

Optionally, the displacement meter 9 includes a body and a retractable probe connected to the body, the body is connected to the housing 1 , and the probe can abut against the weight 8 .

The displacement of the weight 8 is detected by the probe abutting against the weight 8 , and the displacement in each direction is recorded according to the expansion and contraction of the probe, so as to analyze the real displacement and direction of the weight 8 . Since the displacement meter 9 has extremely high precision, the tower displacement monitoring device using the displacement meter 9 also has extremely high precision. At the same time, the displacement meter 9 measures the displacement of the weight 8 in real time, so that the tower displacement monitoring device can measure the inclination of the tower in real time.

Preferably, the weight 8 is a sphere, and the plurality of displacement gauges 9 are evenly distributed around the spherical surface of the sphere.

Since the displacement gauge 9 is arranged around the outer peripheral surface of the weight 8 , and the probe of the displacement gauge 9 is in contact with the surface of the weight 8 . During the measurement process, if there is displacement of the tower, the outer peripheral surface of the weight 8 and the probe will slide relative to each other. The selection is spherical and smooth.

The tower displacement monitoring device further includes a signal transmission mechanism 12, which is electrically connected to the displacement measurement mechanism. The signal transmission mechanism 12 can collect and transmit the displacement measured by the displacement measurement mechanism to the data analysis office in real time.

Due to the large number of poles and towers and the long distance, in order to more efficiently detect poles and towers in a large range, it is necessary to install a signal transmission mechanism 12 on each pole tower displacement monitoring device. The values measured by the displacement measuring mechanism on the displacement monitoring device are collected and transmitted to the data analysis place, which not only improves the efficiency but also saves manpower.

Second Embodiment

This embodiment provides a pole tower displacement monitoring device, which improves the structure of the suspension mechanism 2 on the basis of the first embodiment, as shown in FIG. 3 .

In this embodiment, the suspension mechanism 2 further includes an elastic member 6, the connecting member 5 includes a first connecting rod 3 and a second connecting rod 4 arranged up and down, and two ends of the elastic member 6 are respectively connected to the first connecting rod 3 and the second connecting rod 4. connecting rod 4.

In order to ensure safety and prevent the occurrence of tower collapse accidents, in addition to monitoring the inclination of the tower, it is also necessary to analyze the causes and processes of tower collapse accidents to prevent the occurrence of tower collapse accidents. The connecting piece 5 in the suspension mechanism 2 is set as the first connecting rod 3 and the second connecting rod 4 which are connected by springs. When the tower has a sudden displacement due to local breakage and other reasons, the shell 1 and the connecting rods fixed on the shell 1 The displacement measuring mechanism will also produce sudden displacement, and due to the elastic potential energy of the spring, the spherical end of the suspension mechanism 2 will maintain its original state and will not produce sudden displacement. At this time, the displacement measuring mechanism measures a displacement. When the tower is stabilized, the displacement measuring mechanism and the housing 1 are also stabilized. At this time, the suspension mechanism 2 is not in a vertical state, so it will perform a pendulum motion under the action of gravity and gradually return to a vertical state. At this time, the displacement value measured by the displacement measuring mechanism will show periodic repetition, and gradually tend to a stable value. According to the analysis of the change of the displacement measured by the displacement measuring mechanism, the process of the tower collapse accident can be obtained, and the cause of the accident can be analyzed.

Further, the suspension mechanism 2 further includes a protective sleeve 7 , which is sleeved outside the elastic member 6 .

In order to protect the elastic member 6, a protective cover 7 is put on the outer surface of the elastic member 6, which prolongs the service life of the suspension mechanism 2, reduces the maintenance frequency, saves labor, and reduces costs.

Third Embodiment

This embodiment provides a pole tower displacement monitoring device, which is further improved on the basis of the second embodiment, and can detect whether the fixing of the casing 1 is loose.

As shown in FIG. 4 , in this embodiment, a vibration generating mechanism is installed on the casing 1, including a motor and a rotating member 10, the motor is arranged on the casing 1, and the rotating member 10 is connected with the output shaft of the motor and is eccentrically arranged, which can be installed in the motor. It rotates and vibrates under the drive.

When the tower displacement monitoring device detects the displacement of the tower, a review needs to be carried out to confirm whether the inclination of the tower is caused by the displacement or the loosening of the tower displacement monitoring device itself. When a review is required, the data displayed by the displacement measuring mechanism needs to be recorded, which is the initial data, and then the motor is turned on to rotate the rotating member 10. Since the rotating member 10 is eccentrically arranged relative to the rotating shaft, there is periodic vibration. After the motor is turned off and the device is stable, the data displayed by the displacement measuring mechanism is recorded as the termination data. Even if there may be a change in value during the vibration process, it is only because the amplitude is transmitted to the suspension mechanism 2 through the tower displacement monitoring device. Due to the high sensitivity of the displacement meter 9, this tiny vibration is also monitored. If the initial data is inconsistent with the termination data, it means that the tower displacement monitoring device has displaced relative to the tower under the action of vibration, and the device has become loose. However, if the initial data is consistent with the termination data, it means that the tower displacement monitoring device has no displacement relative to the tower under the action of vibration, and the previously monitored tower inclination data is real and effective.

Further, a vibration amplifying mechanism 11 is installed on the casing 1 , and the rotating member 10 can periodically strike the vibration amplifying mechanism 11 .

The vibration amplification mechanism 11 amplifies the amplitude generated by the vibration generating mechanism, which can more effectively detect whether the tower displacement monitoring device has loosened, and prevent the detection due to too small vibration and affect the data analysis.

Preferably, the vibration amplifying mechanism 11 is a rod-shaped object with a spherical end at one end, and the other end is rotatably connected with the housing 1 .

When the rotating member 10 hits the rod-shaped part, the amplitude is expanded by the impact, and the free end of the vibration amplification mechanism 11 is spherical, the center of gravity of this mechanism is offset to the outer end, and the amplitude is further expanded, which can effectively detect whether the tower displacement monitoring device is loose.

The above contents are only preferred embodiments of the present invention. For those of ordinary skill in the art, according to the idea of the present invention, there will be changes in the specific embodiments and application scope. limits.

Claims (10)

1. a pole tower displacement monitoring device, is characterized in that, comprises: The shell (1) is installed on the tower; A suspension mechanism (2) is provided in the casing (1), the suspension mechanism (2) includes a connecting piece (5) and a weight (8), and the top end of the connecting piece (5) is connected to the The casing (1) is universally connected, and the weight (8) is arranged at the bottom end of the connecting piece (5), so that the connecting piece (5) can rotate in any direction relative to the casing (1), to maintain a plumb state; A displacement measuring mechanism, which is arranged in the casing (1), the displacement measuring mechanism comprises a plurality of displacement gauges (9), and the plurality of displacement gauges (9) are arranged around the outer peripheral surface of the weight (8), To measure the displacement of the weight (8) relative to the casing (1) in the direction corresponding to each of the displacement meters (9). 2 . The tower displacement monitoring device according to claim 1 , wherein the weight ( 8 ) is a sphere, and a plurality of the displacement gauges ( 9 ) are evenly distributed around the spherical surface of the sphere. 3 . 3. The tower displacement monitoring device according to claim 2, characterized in that the displacement meter (9) comprises a body and a retractable probe connected to the body, the body and the casing (1) connected, the probe abuts the sphere. 4 . The tower displacement monitoring device according to claim 1 , wherein the suspension mechanism ( 2 ) further comprises an elastic member ( 6 ), and the connecting member ( 5 ) comprises a first connecting rod ( 3) and a second connecting rod (4), two ends of the elastic member (6) are respectively connected to the first connecting rod (3) and the second connecting rod (4). 5 . The pole tower displacement monitoring device according to claim 4 , wherein the suspension mechanism ( 2 ) further comprises a protective sleeve ( 7 ) sleeved outside the elastic member ( 6 ). 6 . 6 . The tower displacement monitoring device according to claim 1 , wherein a vibration generating mechanism is installed on the casing ( 1 ). 7 . 7. The tower displacement monitoring device according to claim 6, wherein the vibration generating mechanism comprises: a motor, the motor is arranged on the housing (1); and A rotating member (10), the rotating member (10) is connected with the output shaft of the motor and is arranged eccentrically, and the rotating member (10) can rotate and generate vibration under the driving of the motor. 8 . The tower displacement monitoring device according to claim 7 , wherein a vibration amplifying mechanism ( 11 ) is installed on the casing ( 1 ), and the rotating member ( 10 ) can periodically impact the vibration amplifying mechanism 8 . Institutions (11). 9 . The tower displacement monitoring device according to claim 8 , wherein the vibration amplifying mechanism ( 11 ) is a rod-shaped object whose one end is spherical, and the other end is rotatably connected to the casing ( 1 ). 10 . 10. The tower displacement monitoring device according to any one of claims 1-5, characterized in that, the tower displacement monitoring device further comprises a signal transmission mechanism (12), the signal transmission mechanism (12) and the The displacement measurement mechanism is electrically connected, and the signal transmission mechanism (12) can collect and transmit the displacement measured by the displacement measurement mechanism to the data analysis place in real time.

Images