Sand wind collecting device for ultrahigh-voltage power transmission line

Abstract

The utility model discloses a wind and sand collecting device for an ultra-high voltage power transmission line, which comprises a ventilator, a plurality of ventilation holes are uniformly formed in the circumferential wall of the ventilator along the circumferential direction, a rainproof cover is fixedly arranged at the upper part of the ventilator, and a base plate is fixedly arranged at the lower part of the ventilator. A plurality of wind and sand buffering plates are fixedly arranged on the outer edge of the base plate in the circumferential direction at equal intervals, all the wind and sand buffering plates are obliquely arranged towards the inner side of the base plate from top to bottom, and a plurality of buffering holes are evenly formed in the upper half portion of each wind and sand buffering plate in a staggered mode; the lower half portions of the sand wind buffering plates are jointly sleeved with a gravel inner container, and iron tower angle iron used for being fixedly connected with a power transmission iron tower is fixedly arranged at the bottom of the gravel inner container. The sandstorm collecting device can provide important experimental data support for high-altitude sandstorm environment research, and is beneficial to more comprehensive understanding of environmental characteristics and change rules of sandstorm.

Description

Technical Field

[0001] This utility model relates to the field of wind and sand monitoring technology for ultra-high voltage power transmission lines, and in particular to a wind and sand collection device for ultra-high voltage power transmission lines. Background Technology

[0002] With the construction and development of high-voltage transmission lines in western my country, the hazards of sandstorms to power transmission and transformation equipment have become increasingly prominent. For insulators operating in areas with strong winds and sandstorms, sand particles carried by strong winds can increase the surface roughness of the insulators and even cause micro-cracks, potentially leading to a decline in insulation performance and a shortened service life. This will significantly reduce the electrical safety performance of the insulators and pose a serious threat to the safe and stable operation of transmission circuits. With the planning and construction of high-voltage direct current transmission lines in the desert and Gobi areas of Northwest China, these lines will inevitably traverse areas with strong winds and sandstorms, severely impacting the normal operation of composite insulators. Significant changes in the drag, adhesion, and friction forces experienced by sand particles reduce their ability to follow airflow and increase the impact force on insulators, resulting in erosion and wear. In addition to dirt accumulation, wear will occur on the insulator surface, causing changes in the insulator's shape and deterioration of its surface roughness, reducing its hydrophobicity and severely affecting the insulation performance of ultra-high-voltage transmission line insulators. Therefore, it is necessary to study the erosion effect of strong winds and sand on the skirts of composite insulators, and to conduct strong wind and sand erosion tests on silicone rubber composite insulators under different sand density, particle size and wind speed conditions, so as to provide technical support for improving the safety of power transmission equipment.

[0003] Existing transmission lines are plagued by insulator surface material erosion caused by strong winds and sandstorms. However, current technology lacks a test platform for insulator erosion to analyze its potential erosion behavior and mechanism. Furthermore, current technology does not provide a device to collect data such as the amount of sand on-site to analyze the causes of damage and erosion areas on the insulator surface under the influence of sand and gravel carried by strong winds.

[0004] In studying the erosive effects of wind and sand on power transmission line insulators, the particle size, salt content, and elemental composition of dust are important research indicators. However, most current dust collection devices are limited to ground-based sampling and cannot effectively capture the characteristics of dust at different altitudes, especially dust in high-altitude environments.

[0005] High-voltage transmission lines offer significant advantages, making them ideal platforms for high-altitude dust collection. However, current technologies lack effective solutions for installing dust collection devices on high-voltage transmission lines. Therefore, developing a device capable of stably operating and collecting dust on high-voltage transmission lines is of great importance. Utility Model Content

[0006] The utility model discloses a wind-sand collecting device for superhigh voltage transmission line, solve the technical problem mentioned in above background art.

[0007] To solve the above technical problems, the utility model adopts the following technical scheme:

[0008] The utility model discloses a wind-sand collecting device for superhigh voltage transmission line, including ventilating cylinder, the circumference wall of ventilating cylinder is evenly opened with a plurality of ventilation holes along the circumference, the upper portion of ventilating cylinder is fixedly arranged with rain cover, the lower portion of ventilating cylinder is fixedly arranged with base plate, the outer edge of base plate is fixedly arranged with a plurality of wind-sand buffer board along the circumference even interval, each wind-sand buffer board is inclined to the inside of base plate from top to bottom, and the upper half of each wind-sand buffer board is evenly staggered and is provided with a plurality of buffer holes.

[0009] Further, the inner side wall of the ventilating cylinder is provided with a wind speed sensor, and the bottom of the sand content container is provided with a gravity sensor.

[0010] Further, the rain cover is conical in shape.

[0011] Further, the shape of each ventilation hole is specifically set as an oblong circle.

[0012] Further, the outer edge contour of the base plate is a regular hexagon, the shape of each wind-sand buffer board is an isosceles trapezoid, two triangular overlapping plates are respectively fixedly arranged between each pair of adjacent wind-sand buffer boards, and the sand content container is sleeved on the outside of multiple pairs of overlapping plates.

[0013] Further, the sand content container is slidably sleeved on the outside of multiple pairs of overlapping plates, and multiple spring buckles for fixedly connecting the sand content container and the base plate are uniformly arranged therebetween.

[0014] Further, the bottom of the sand content container is fixedly provided with a first connecting seat, the first connecting seat is fixedly connected with one end of the tower angle iron through multiple first bolts, the other end of the tower angle iron is fixedly provided with a second connecting seat, the upper half of the second connecting seat is provided with a clamping groove matched with the cross arm of the tower and is fixedly connected with the cross arm through multiple second bolts.

[0015] Further, the lower half of the second connecting seat is symmetrically provided with two through holes, and a fastening hook is slidably arranged in each through hole, one end of the fastening hook is hooked on the cross arm, and the other end is provided with external threads and is provided with a locking nut threadedly connected therewith.

[0016] Compared with the prior art, the wind sand collecting device has the beneficial technical effects that:

[0017] The wind sand collecting device can provide important experimental data support for high-altitude sand dust environment research, help to more comprehensively understand the environmental characteristics and change rules of sand dust, can monitor and collect environmental conditions in real time, and transmit data to a remote database to provide multi-dimensional data support for laboratory analysis, and the overall device is convenient to maintain, the modular design and simple replacement mechanism facilitate regular maintenance and replacement of the collection container by technical personnel, and the convenience and efficiency of operation are improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be further described in connection with the drawings.

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0020] Figure 2 It is the front view of the utility model;

[0021] Figure 3 It is the plan view of the utility model;

[0022] Figure 4 It is the left view of the utility model;

[0023] The reference numerals are explained as follows: 1, ventilation cylinder; 2, ventilation hole; 3, rain cover; 4, base plate; 5, wind sand buffer plate; 6, buffer hole; 7, sand content container; 8, lap plate; 10, iron tower angle iron; 11, first connecting seat; 12, first bolt; 13, second connecting seat; 14, cross arm; 15, clamping groove; 16, second bolt; 17, fastening hook; 18, locking nut. DETAILED DESCRIPTION

[0024] As Figures 1-4 shown, a wind sand collecting device for an ultrahigh voltage transmission line, comprising a ventilation cylinder 1, the diameter of the ventilation cylinder 1 is 110mm, a plurality of ventilation holes 2 are uniformly arranged on the peripheral wall of the ventilation cylinder 1 in the circumferential direction. The shape of each ventilation hole 2 is specifically set as an oblong, and the specific specification is: long 20mm, wide 5mm. Its main function is to circulate air, ensure smooth internal air flow, prevent internal heat accumulation, and also help sand drying and separation.

[0025] The upper part of the ventilation cylinder 1 is fixedly provided with a rainproof cover 3, the outer part of which is a conical structure for preventing rainwater from entering the inside of the device.

[0026] The lower part of the ventilation cylinder is fixedly provided with a base plate 4, the outer edge of which is uniformly and circumferentially spaced apart to be fixedly provided with a plurality of sand and wind buffer plates 5, each of which is inclinedly arranged to the inside of the base plate 4 from top to bottom, and the upper half of each of the sand and wind buffer plates 5 is uniformly and staggeredly provided with a plurality of buffer holes 6; the lower half of the plurality of sand and wind buffer plates 5 is collectively sleeved with a sand and gravel content container 7 for collecting sand and dust.

[0027] In the embodiment, the sand and wind buffer plate 5 is a common stainless steel punched plate, and the thickness thereof is 1.5 mm. The diameter of the buffer hole is 1.5 mm, and the hole edge distance is 2 mm, which are uniformly and staggeredly distributed. The surface of the entire sand and wind buffer plate 5 is uneven, and when the sand and gravel rush to the concave part of the buffer plate, most of the impact force is unloaded, the kinetic energy of the sand and gravel is absorbed by the buffer plate, and the impact speed is rapidly reduced, so that the sand and gravel falls into the sand and gravel content container 7 directly below along the plate wall.

[0028] In addition, the outer edge contour of the base plate 4 is a regular hexagon, the shape of each of the sand and wind buffer plates 5 is an isosceles trapezoid, two triangular overlapping plates 8 are fixedly arranged between each of the two adjacent sand and wind buffer plates 5, respectively, the outer wall contour of the sand and gravel content container 7 is also a regular hexagon structure, and is sleeved on the outside of a plurality of pairs of the overlapping plates 8.

[0029] As a further improvement of the utility model, the sand and gravel content container 7 is slidably sleeved on the outside of a plurality of pairs of the overlapping plates 8 for storing the collected sand and gravel, and a plurality of spring buckles (not shown in the figure) for fixedly connecting the sand and gravel content container 7 and the base plate 4 are uniformly arranged therebetween, so that the sand and gravel content container is designed as a pull-out structure, and the spring buckles are used for locking, which facilitates the quick disassembly, replacement and maintenance of the sand and gravel content container by the staff.

[0030] The bottom of the sand content container 7 is fixedly provided with a tower angle iron 10 for fixed connection with the power transmission tower. Specifically, the bottom of the sand content container 7 is fixedly provided with a first connecting seat 11, the first connecting seat 11 is fixedly connected with one end of the tower angle iron 10 through a plurality of first bolts 12, the other end of the tower angle iron 10 is fixedly provided with a second connecting seat 13, the upper half of the second connecting seat 13 is provided with a clamping groove 15 matched with the cross arm 14 of the tower and is fixedly connected with the cross arm 14 through a plurality of second bolts 16. The lower half of the second connecting seat 13 is symmetrically provided with two through holes, a fastening hook 17 is slidably installed in each through hole, one end of the fastening hook 17 is hooked on the cross arm 14, and the other end is provided with an external thread and is provided with a locking nut 18 threadedly connected therewith.

[0031] The inner side wall of the ventilation cylinder 1 is provided with a wind speed sensor, which can measure the wind speed in real time. The bottom of the sand content container 7 is provided with a gravity sensor, which can monitor the weight change of the stored objects in the sand content container in real time. The wind and sand sensor and the gravity sensor are in communication connection with an external monitoring host, the monitoring host is powered by a storage battery, and is connected with a laboratory terminal through wireless signals, and sends the gravity sensor data to the laboratory terminal once every certain time, so that the purpose of real-time monitoring is achieved.

[0032] The above-described embodiments only describe the preferred modes of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A sand-collecting device for ultra-high voltage transmission lines, characterized in that: The device includes a ventilation duct with multiple ventilation holes evenly spaced along its circumferential direction on its peripheral wall. A rainproof cover is fixedly installed on the upper part of the ventilation duct, and a base plate is fixedly installed on the lower part of the ventilation duct. Multiple sand and dust buffer plates are evenly spaced along the outer edge of the base plate and are fixedly installed at intervals along its circumferential direction. Each sand and dust buffer plate is inclined from top to bottom toward the inner side of the base plate. Multiple buffer holes are evenly and alternately opened on the upper half of each sand and dust buffer plate. A gravel inner container is commonly fitted on the lower half of the multiple sand and dust buffer plates. An angle iron for fixed connection with a power transmission tower is fixedly installed at the bottom of the gravel inner container.

2. The sand and dust collection device for ultra-high voltage transmission lines according to claim 1, characterized in that: A wind speed sensor is installed on the inner wall of the ventilation duct, and a gravity sensor is installed at the bottom of the sand and gravel container. Both the wind and sand sensor and the gravity sensor are connected to an external monitoring host.

3. The sand and dust collection device for ultra-high voltage transmission lines according to claim 1, characterized in that: The outer part of the rain cover has a conical structure.

4. The sand and dust collection device for ultra-high voltage transmission lines according to claim 1, characterized in that: The shape of each ventilation hole is specifically set to be oblong.

5. The sand and dust collection device for ultra-high voltage transmission lines according to claim 1, characterized in that: The outer edge of the substrate is a regular hexagon, and each of the sand and dust buffer plates is an isosceles trapezoid. Two triangular overlapping plates are fixedly arranged between each pair of adjacent sand and dust buffer plates, and the sand and gravel container is sleeved on the outside of the multiple pairs of overlapping plates.

6. The sand and dust collection device for ultra-high voltage transmission lines according to claim 5, characterized in that: The gravel container is slidably sleeved on the outside of the multiple pairs of overlapping plates, and multiple spring buckles for fixing the gravel container and the base plate are evenly arranged between the gravel container and the base plate.

7. The sand and dust collection device for ultra-high voltage transmission lines according to claim 1, characterized in that: The bottom of the gravel container is fixedly provided with a first connecting seat. The first connecting seat is fixedly connected to one end of the tower angle iron by a plurality of first bolts. The other end of the tower angle iron is fixedly provided with a second connecting seat. The upper half of the second connecting seat is provided with a slot for engaging with the crossarm of the tower and is fixedly connected to the crossarm by a plurality of second bolts.

8. The sand and dust collection device for ultra-high voltage transmission lines according to claim 7, characterized in that: The lower half of the second connecting seat has two symmetrical through holes, and a fastening hook is slidably installed in each through hole. One end of the fastening hook is hooked on the crossbeam, and the other end has an external thread and a locking nut that is threadedly connected to it.

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