Intelligent alarm device applied to power transmission line iron tower

Abstract

The invention provides an intelligent alarm device applied to a power transmission line iron tower, and relates to the technical field of power transmission line alarm, the intelligent alarm device comprises a mounting box and a fault monitor main body, the rear part of the mounting box is provided with a fixing frame, the fixing frame is mounted on an iron tower cross frame, and the fixing frame is provided with limiting through grooves close to the left and right ends; an inclination sensor is fixedly installed at the top of the installation box, the supporting tightening latch is driven to conduct positioning by adjusting a threaded knob, installation and fixation can be conducted according to the sizes of different steel frame structures, meanwhile, a more appropriate installation position is selected, it is ensured that the alarm device and a steel frame are better combined, and the problems of looseness, damage and the like caused by improper installation are reduced; therefore, the reliability and the stability of the alarm device are improved, and the problems that when an existing alarm device of a power transmission line iron tower is used, due to the fact that the sizes of different steel frame structures of the iron tower are different, appropriate installation modes and positions are not easy to find, and the device is loosened and damaged due to improper installation are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of transmission line alarms, and particularly relates to an intelligent alarm device applied to transmission line towers. Background Art

[0002] A transmission line tower is a tall structure used to support overhead transmission wires in an overhead transmission line. Its main function is to support the overhead transmission wires, keep the wires at a specified height and spacing, ensure that there is a sufficient safety distance between the wires and objects such as the ground, buildings, and trees, and prevent electric shock accidents and line short - circuits.

[0003] When the existing alarm devices of transmission line towers are in use, due to the differences in the sizes of different steel frame structures of the towers, it is not easy to find a suitable installation method and position, resulting in improper installation of the devices, which causes loosening and damage. Moreover, transmission line towers are often in outdoor environments and will vibrate due to factors such as wind loads and conductor galloping, affecting the normal use of internal electronic components and circuit boards of the devices. In addition, conductor galloping easily causes the position of the fault monitor to shift, pulling on its connecting wires and affecting the stability of the fault monitor's operation. Summary of the Invention

[0004] An embodiment of the present disclosure relates to an intelligent alarm device applied to a transmission line tower. The first connecting frame, the second connecting frame, and the limiting bolt rod cooperate with each other. By adjusting the threaded knob, the supporting bolt rod is positioned, and it can be installed and fixed according to the sizes of different steel frame structures. At the same time, a more suitable installation position can be selected to ensure a better combination of the alarm device and the steel frame, reducing problems such as loosening and damage caused by improper installation, thereby improving the reliability and stability of the alarm device itself.

[0005] In the first aspect of the present disclosure, there is provided an intelligent alarm device applied to a transmission line tower, specifically including: an installation box and a fault monitor main body. A fixing frame is provided at the rear of the installation box, and the fixing frame is installed on the cross - frame of the tower. Limiting through - slots are provided at positions near the left and right ends of the fixing frame. An inclination sensor is fixedly installed on the top of the installation box, and a signal transmission antenna is fixedly installed on the fixing frame. Two locking components are provided on the fixing frame, and the two locking components are symmetrically distributed, and the locking components correspond to the positions of the limiting through - slots. An alarm main body is fixedly installed in the installation box, and the alarm main body is electrically connected to the inclination sensor and the signal transmission antenna through connecting wires respectively. A fixing seat is provided in the installation box, and the fixing seat is located below the alarm main body. The fault monitor main body is installed on the transmission line, and the fault monitor main body is electrically connected to the alarm main body through a connecting wire. Two sets of positioning sleeve clips and an installation frame are respectively provided in the fault monitor main body, and the installation frame is located below the positioning sleeve clips. An adjusting rod is rotatably installed in the fault monitor main body.

[0006] In at least some embodiments, the locking assembly includes a first connecting frame, a second connecting frame, and a limiting bolt rod. The first connecting frame has an L-shaped structure, and the first connecting frame is slidably connected to the fixed frame through a limiting through groove. A second connecting frame is provided below the horizontal plate of the first connecting frame, and the horizontal plate and the second connecting frame of the first connecting frame are respectively located on the upper and lower sides of the tower cross frame. The limiting bolt rod is vertically distributed, and the vertical plate and the limiting bolt rod of the first connecting frame are respectively located on the front and rear sides of the tower cross frame.

[0007] In at least some embodiments, a first limiting groove is formed on the vertical plate of the first connecting frame, and a second limiting groove is formed on the horizontal plate of the first connecting frame; A connecting bolt is provided at the front end of the second connecting frame, and the connecting bolt passes through the first limiting groove and is controlled by a locking nut. A third limiting groove is formed on the second connecting frame, and the third limiting groove matches the second limiting groove; The limiting bolt rod passes through the third limiting groove and the second limiting groove at the same time and is controlled by a locking nut. A limiting sleeve is sleeved on the limiting bolt rod. Support plates are provided on the left and right sides of the limiting sleeve. A support bolt rod penetrates through the support plates, and the front end of the support bolt rod contacts the tower cross frame. A threaded knob is rotatably installed on the support plate, and the threaded knob is slidably connected to the support bolt rod by means of a thread.

[0008] In at least some embodiments, the fixed seat has a "C" - shaped structure, and a support bottom plate is provided above the horizontal plate of the fixed seat, and the support bottom plate contacts the bottom wall of the alarm main body. Four damping seats are provided at the bottom of the support bottom plate, and the four damping seats are distributed in a rectangular array. A first compression spring is sleeved on the damping seat, and the first compression spring supports between the horizontal plate of the fixed seat and the support bottom plate. An installation groove is formed at the middle position of the top of the horizontal plate of the fixed seat. Two clamping plates are provided above the horizontal plate of the fixed seat, and the clamping plates contact the side wall of the alarm main body.

[0009] In at least some embodiments, an installation block is provided at the bottom end of the clamping plate, and the installation block is slidably connected to the fixed seat through the installation groove. Two limiting slide rods are provided on the relatively outer sides of the two clamping plates. A second compression spring is sleeved on the limiting slide rod. The limiting slide rod is slidably inserted into the vertical plate of the fixed seat, and the second compression spring supports between the vertical plate of the fixed seat and the clamping plate.

[0010] In at least some embodiments, the fault monitor main body includes a base, a top cover, and an installation cavity. The base is hinge - connected to the top cover through a hinge shaft, and installation cavities are provided at positions near the front and rear ends inside the base and the top cover, and a positioning sleeve clamp and an installation frame are arranged in the installation cavity.

[0011] In at least some embodiments, each group of the positioning sleeve clamps is symmetrically distributed in two places, and the two positioning sleeve clamps clamp the transmission line. A connecting block is provided at the bottom of the positioning sleeve clamp, and a threaded sleeve is provided at the bottom end of the connecting block.

[0012] In at least some embodiments, the mounting bracket is in a "C" - shaped structure, and a rotating shaft rod is rotatably installed between two vertical plates of the mounting bracket. There are two reverse threads on the outer peripheral surface of the rotating shaft rod, and the two reverse threads are symmetrically distributed. One end of the rotating shaft rod is provided with a worm gear, and a limiting round rod is provided between the two vertical plates of the mounting bracket, and the limiting round rod and the rotating shaft rod are distributed in a parallel manner up and down.

[0013] In at least some embodiments, a control knob is provided at the front end of the adjusting rod, and two worm gears are provided on the adjusting rod, and the worm gears are located in the installation cavity.

[0014] In at least some embodiments, the threaded sleeve of the positioning sleeve clip is slidably sleeved on the reverse thread of the rotating shaft rod by means of threads, and the limiting round rod slidably penetrates through the connecting block, and the worm gear is meshed with the worm.

[0015] The present invention provides an intelligent alarm device applied to a transmission line tower, and has the following beneficial effects: In the present invention, the first connecting frame, the second connecting frame and the limiting bolt rod cooperate with each other. By adjusting the threaded knob to drive the support bolt rod for positioning, it can be installed and fixed according to the sizes of different steel frame structures, and at the same time, a more suitable installation position can be selected to ensure a better combination of the alarm device and the steel frame, reducing problems such as looseness and damage caused by improper installation, thereby improving the reliability and stability of the alarm device itself.

[0016] In addition, through the cooperation of the support bottom plate and the clamping plate, and by utilizing the elastic action of the first compression spring and the second compression spring, the alarm device main body can be buffered, and the energy generated by vibrations caused by factors such as wind load and conductor galloping can be effectively absorbed and dissipated, reducing the influence of vibrations on internal electronic components, circuit boards, etc. of the alarm device main body, preventing component loosening, desoldering or damage, thereby extending the service life of the alarm device and ensuring its long - term stable operation.

[0017] In addition, by manually rotating the control knob, and using the meshing transmission of the worm gear and the worm, the two rotating shaft rods can be driven to rotate, and then the two positioning sleeve clips can be controlled to clamp on the transmission line conductors at the same time, which can ensure that the fault monitor main body is installed more stably, avoid the position deviation caused by conductor galloping, improve the reliability of the line connection, and ensure its long - term stable operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly introduced below.

[0019] The drawings in the following description only relate to some embodiments of the present invention and do not limit the present invention.

[0020] In the drawings: Figure 1A schematic diagram showing the overall structure of the present application; Figure 2 A schematic diagram showing the installation box and the locking assembly of the present application; Figure 3 A schematic diagram showing a part of the fixing bracket and the locking assembly of the present application; Figure 4 A schematic diagram showing the alarm main body and the fixing seat of the present application; Figure 5 A schematic diagram showing the exploded state of the fixing seat of the present application; Figure 6 A schematic diagram showing the base and the top cover of the present application in an open state; Figure 7 A schematic diagram showing the cross-sectional view of the base of the present application; Figure 8 A schematic diagram showing the split state of the positioning sleeve clamp, the mounting bracket and a part of the adjusting rod of the present application.

[0021] List of reference numerals: 1. Installation box; 101. Fixing bracket; 102. Limit through groove; 103. Tilt sensor; 104. Signal transmission antenna; 2. Locking assembly; 201. First connecting bracket; 2011. First limit groove; 2012. Second limit groove; 202. Second connecting bracket; 2021. Connecting bolt; 2022. Third limit groove; 203. Limit bolt rod; 2031. Limit sleeve; 2032. Support plate; 2033. Support bolt rod; 2034. Threaded knob; 3. Alarm main body; 4. Fixing seat; 401. Support bottom plate; 402. Damping seat; 403. First compression spring; 404. Installation groove; 405. Clamping plate; 4051. Installation block; 4052. Limit slide bar; 4053. Second compression spring; 5. Fault monitor main body; 501. Base; 502. Top cover; 503. Installation cavity; 6. Positioning sleeve clamp; 601. Connecting block; 602. Threaded sleeve; 7. Mounting bracket; 701. Rotating shaft rod; 702. Reverse thread; 703. Worm gear; 704. Limit round rod; 8. Adjusting rod; 801. Control knob; 802. Worm. Detailed implementation manners

[0022] To make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are some but not all of the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art based on the described embodiments of the present invention without creative efforts shall fall within the scope of protection of the present invention.

[0023] Embodiment 1: Please refer toFigures 1 to 8 : The present invention provides an intelligent alarm device applied to a transmission line tower, comprising: an installation box 1 and a fault monitor main body 5. A fixing frame 101 is provided at the rear of the installation box 1, and the fixing frame 101 is installed on the cross-frame of the tower. Limiting through grooves 102 are provided at positions near the left and right ends of the fixing frame 101. An inclination sensor 103 is fixedly installed on the top of the installation box 1, and a signal transmission antenna 104 is fixedly installed on the fixing frame 101. Two locking components 2 are provided on the fixing frame 101, and the two locking components 2 are symmetrically distributed, and the locking components 2 correspond to the positions of the limiting through grooves 102. An alarm main body 3 is fixedly installed in the installation box 1, and the alarm main body 3 is electrically connected to the inclination sensor 103 and the signal transmission antenna 104 through connecting wires. A fixing seat 4 is provided in the installation box 1, and the fixing seat 4 is located below the alarm main body 3. The fault monitor main body 5 is installed on the transmission line, and the fault monitor main body 5 is electrically connected to the alarm main body 3 through a connecting wire. Two sets of positioning sleeve clips 6 and an installation frame 7 are respectively provided in the fault monitor main body 5, and the installation frame 7 is located below the positioning sleeve clips 6. An adjusting rod 8 is rotatably installed in the fault monitor main body 5.

[0024] In the embodiment of the present disclosure, as Figure 2 and Figure 3 shown, the locking component 2 includes a first connecting frame 201, a second connecting frame 202 and a limiting bolt rod 203. The first connecting frame 201 is of an L-shaped structure, and the first connecting frame 201 is slidably connected to the fixing frame 101 through the limiting through groove 102. A second connecting frame 202 is provided below the horizontal plate of the first connecting frame 201, and the horizontal plate of the first connecting frame 201 and the second connecting frame 202 are respectively located on the upper and lower sides of the cross-frame of the tower. The limiting bolt rod 203 is vertically distributed, and the vertical plate of the first connecting frame 201 and the limiting bolt rod 203 are respectively located on the front and rear sides of the cross-frame of the tower; A first limiting groove 2011 is formed on the vertical plate of the first connecting frame 201, and a second limiting groove 2012 is formed on the horizontal plate of the first connecting frame 201; A connecting bolt 2021 is provided at the front end of the second connecting frame 202, and the connecting bolt 2021 passes through the first limiting groove 2011 and is controlled by a locking nut. A third limiting groove 2022 is formed on the second connecting frame 202, and the third limiting groove 2022 matches the second limiting groove 2012; The limit bolt rod 203 passes through the third limit groove 2022 and the second limit groove 2012 at the same time and is controlled by a locking nut. A limit sleeve 2031 is sleeved on the limit bolt rod 203. Support plates 2032 are provided on the left and right sides of the limit sleeve 2031. A support bolt rod 2033 penetrates through the support plates 2032, and the front end of the support bolt rod 2033 is in contact with the cross-frame of the iron tower. A threaded knob 2034 is rotatably installed on the support plates 2032, and the threaded knob 2034 is slidably connected to the support bolt rod 2033 by means of a thread. In the present invention, the first connecting frame 201, the second connecting frame 202 and the limit bolt rod 203 cooperate with each other. By adjusting the threaded knob 2034 to drive the support bolt rod 2033 to be positioned, it can be installed and fixed according to the sizes of different steel frame structures, and at the same time, a more suitable installation position can be selected to ensure a better combination of the alarm device and the steel frame.

[0025] In the embodiment of the present disclosure, as Figure 4 and Figure 5 shown, the fixed seat 4 has a "C" - shaped structure, and a support bottom plate 401 is provided above the horizontal plate of the fixed seat 4, and the support bottom plate 401 is in contact with the bottom wall of the alarm main body 3. Four damping seats 402 are provided at the bottom of the support bottom plate 401, and the four damping seats 402 are distributed in a rectangular array. A first compression spring 403 is sleeved on the damping seat 402, and the first compression spring 403 is supported between the horizontal plate of the fixed seat 4 and the support bottom plate 401. An installation groove 404 is opened at the middle position of the top of the horizontal plate of the fixed seat 4. Two clamping plates 405 are provided above the horizontal plate of the fixed seat 4, and the clamping plates 405 are in contact with the side wall of the alarm main body 3; An installation block 4051 is provided at the bottom end of the clamping plate 405, and the installation block 4051 is slidably connected to the fixed seat 4 through the installation groove 404. Two limit slide rods 4052 are provided on the relatively outer sides of the two clamping plates 405. A second compression spring 4053 is sleeved on the limit slide rods 4052. The limit slide rods 4052 are slidably inserted into the vertical plates of the fixed seat 4, and the second compression spring 4053 is supported between the vertical plates of the fixed seat 4 and the clamping plates 405. By the mutual cooperation of the support bottom plate 401 and the clamping plates 405, and by using the elastic action of the first compression spring 403 and the second compression spring 4053, the alarm main body 3 can be buffered, and the energy generated by vibrations caused by factors such as wind loads and conductor galloping can be effectively absorbed and dissipated, reducing the influence of vibrations on the internal electronic components, circuit boards, etc. of the alarm main body 3.

[0026] Embodiment 2, on the basis of Embodiment 1, as Figures 6 to 8As shown in the figure, the fault monitor body 5 includes a base 501, a top cover 502 and an installation cavity 503. The base 501 is hinged to the top cover 502 through a hinge shaft. Installation cavities 503 are provided at positions near the front and rear ends inside the base 501 and the top cover 502. The positioning sleeve clamp 6 and the mounting bracket 7 are arranged in the installation cavity 503. The fault monitor bodies 5 are scattered on the transmission line conductors. It is a device for fault point location and fault cause identification using the traveling wave measurement principle. Among them, the core component of the on-line monitoring system for high-voltage transmission line fault location is the monitoring terminal installed on the transmission line, which can capture the traveling wave signal at the moment of fault at close range, judge the fault type, and calculate the exact location where the fault occurs through formulas; Each group of positioning sleeve clamps 6 is distributed symmetrically at two places, and the two positioning sleeve clamps 6 are clamped on the transmission line. A connecting block 601 is provided at the bottom of the positioning sleeve clamp 6, and a threaded sleeve 602 is provided at the bottom end of the connecting block 601; The mounting bracket 7 is in a "C" shape structure. A rotating shaft rod 701 is rotatably installed between the two vertical plates of the mounting bracket 7. Two reverse threads 702 are provided on the outer peripheral surface of the rotating shaft rod 701, and the two reverse threads 702 are distributed symmetrically. A worm gear 703 is provided at one end of the rotating shaft rod 701. A limiting round rod 704 is provided between the two vertical plates of the mounting bracket 7, and the limiting round rod 704 is arranged parallel to the rotating shaft rod 701 up and down; A control knob 801 is provided at the front end of the adjusting rod 8, and two worm gears 802 are provided on the adjusting rod 8, and the worm gears 802 are located in the installation cavity 503; The threaded sleeve 602 of the positioning sleeve clamp 6 is slidably sleeved on the reverse thread 702 of the rotating shaft rod 701 through a thread. The limiting round rod 704 slidably penetrates through the connecting block 601, and the worm gear 703 is meshed with the worm gear 802. By manually rotating the control knob 801 and using the meshing transmission of the worm gear 703 and the worm gear 802, the two rotating shaft rods 701 can be driven to rotate, and then the two groups of positioning sleeve clamps 6 can be controlled to clamp on the transmission line conductors at the same time, which can ensure that the installation of the fault monitor body 5 is more stable and avoid the position deviation caused by the conductor dancing.

[0027] Working principle of this embodiment: During use, the first connecting frame 201, the second connecting frame 202 and the limit bolt rod 203 cooperate with each other. By adjusting the threaded knob 2034, the support bolt rod 2033 can be positioned, and it can be installed and fixed according to the sizes of different steel frame structures. At the same time, a more suitable installation position can be selected to ensure a better combination of the alarm device and the steel frame. Through the cooperation of the support bottom plate 401 and the clamping plate 405, and by utilizing the elastic action of the first compression spring 403 and the second compression spring 4053, the main body 3 of the alarm can be buffered, and the energy generated by vibrations caused by factors such as wind loads and conductor galloping can be effectively absorbed and dissipated, reducing the impact of vibrations on the internal electronic components, circuit boards, etc. of the main body 3 of the alarm. By manually rotating the control knob 801, and using the meshing transmission of the worm gear 703 and the worm 802, the two rotating shaft rods 701 can be driven to rotate, and then the two positioning sleeve clamps 6 can be controlled to clamp on the transmission line conductors at the same time, which can ensure that the main body 5 of the fault monitor is installed more stably and prevent its position from shifting due to conductor galloping.

[0028] The above is only the specific implementation manner of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present disclosure can easily think of changes or substitutions, which should all be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. An intelligent alarm device applied to a power transmission line tower, characterized in that: Including: An installation box and a fault monitor body. A fixing frame is provided at the rear of the installation box, and the fixing frame is installed on the cross frame of the iron tower. Limiting through slots are provided at positions near the left and right ends of the fixing frame. An inclination sensor is fixedly installed on the top of the installation box, and a signal transmission antenna is fixedly installed on the fixing frame. Two locking components are provided on the fixing frame, and the two locking components are symmetrically distributed, and the locking components correspond to the positions of the limiting through slots. An alarm main body is fixedly installed in the installation box, and the alarm main body is electrically connected to the inclination sensor and the signal transmission antenna respectively through connecting wires. A fixing seat is provided in the installation box, and the fixing seat is located below the alarm main body. The fault monitor body is installed on the transmission line, and the fault monitor body is electrically connected to the alarm main body through a connecting wire. Two sets of positioning sleeve clips and an installation frame are respectively provided in the fault monitor body, and the installation frame is located below the positioning sleeve clips. An adjusting rod is rotatably installed in the fault monitor body.

2. The intelligent alarm device applied to the iron tower of the transmission line according to claim 1, characterized in that The locking component includes a first connecting frame, a second connecting frame and a limiting bolt rod. The first connecting frame is of an L-shaped structure, and the first connecting frame is slidably connected to the fixing frame through the limiting through slot. A second connecting frame is provided below the horizontal plate of the first connecting frame, and the horizontal plate and the second connecting frame of the first connecting frame are respectively located on the upper and lower sides of the cross frame of the iron tower. The limiting bolt rod is vertically distributed, and the vertical plate and the limiting bolt rod of the first connecting frame are respectively located on the front and rear sides of the cross frame of the iron tower.

3. The intelligent alarm device applied to the iron tower of the transmission line according to claim 2, characterized in that A first limiting slot is opened on the vertical plate of the first connecting frame, and a second limiting slot is opened on the horizontal plate of the first connecting frame; A connecting bolt is provided at the front end of the second connecting frame, and the connecting bolt passes through the first limiting slot and is controlled by a locking nut. A third limiting slot is opened on the second connecting frame, and the third limiting slot matches the second limiting slot; The limiting bolt rod passes through the third limiting slot and the second limiting slot at the same time and is controlled by a locking nut. A limiting sleeve is sleeved on the limiting bolt rod. Support plates are provided on the left and right sides of the limiting sleeve. A support bolt rod passes through the support plates, and the front end of the support bolt rod contacts the cross frame of the iron tower. A threaded knob is rotatably installed on the support plate, and the threaded knob is slidably connected to the support bolt rod by means of a thread.

4. The intelligent alarm device applied to the iron tower of the transmission line according to claim 1, characterized in that The fixing seat is of a "C" - shaped structure, and a support bottom plate is provided above the horizontal plate of the fixing seat, and the support bottom plate contacts the bottom wall of the alarm main body. Four damping seats are provided at the bottom of the support bottom plate, and the four damping seats are distributed in a rectangular array. A first compression spring is sleeved on the damping seat, and the first compression spring supports between the horizontal plate of the fixing seat and the support bottom plate. An installation slot is opened at the middle position on the top of the horizontal plate of the fixing seat. Two clamping plates are provided above the horizontal plate of the fixing seat, and the clamping plates contact the side wall of the alarm main body.

5. The intelligent alarm device applied to the iron tower of the transmission line according to claim 4, characterized in that The bottom end of the clamping plate is provided with a mounting block, and the mounting block is slidably connected to the fixed seat through a mounting groove. Two limiting slide rods are provided on the relatively outer sides of the two clamping plates. A second compression spring is sleeved on the limiting slide rod. The limiting slide rod is slidably inserted into the vertical plate of the fixed seat, and the second compression spring is supported between the vertical plate of the fixed seat and the clamping plate.

6. The intelligent alarm device applied to a transmission line iron tower according to claim 1, wherein The main body of the fault monitor includes a base, a top cover and a mounting cavity. The base is hinged to the top cover through a hinge shaft. Mounting cavities are provided at positions near the front and rear ends inside the base and the top cover, and a positioning sleeve clamp and a mounting bracket are arranged in the mounting cavity.

7. The intelligent alarm device applied to a transmission line iron tower according to claim 6, wherein Each group of the positioning sleeve clamps is symmetrically distributed in two places, and the two positioning sleeve clamps clamp the transmission line. A connecting block is provided at the bottom of the positioning sleeve clamp, and a threaded sleeve is provided at the bottom end of the connecting block.

8. The intelligent alarm device applied to a transmission line iron tower according to claim 7, wherein The mounting bracket is of a "C" - shaped structure. A rotating shaft rod is rotatably installed between the two vertical plates of the mounting bracket. Two reverse threads are provided on the outer peripheral surface of the rotating shaft rod, and the two reverse threads are symmetrically distributed. A worm gear is provided at one end of the rotating shaft rod. A limiting round rod is provided between the two vertical plates of the mounting bracket, and the limiting round rod is arranged parallel to the rotating shaft rod in the up - down direction.

9. The intelligent alarm device applied to a transmission line iron tower according to claim 8, wherein A control knob is provided at the front end of the adjusting rod. Two worm gears are provided on the adjusting rod, and the worm gears are located in the mounting cavity.

10. The intelligent alarm device for use in a power transmission line tower according to claim 9, characterized in that , The threaded sleeve of the positioning sleeve clamp is slidably sleeved on the reverse thread of the rotating shaft rod by means of threads. The limiting round rod slidably penetrates through the connecting block, and the worm gear is meshed with the worm gear.

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