CN112144464A - Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section - Google Patents
Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section Download PDFInfo
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- CN112144464A CN112144464A CN202011032494.3A CN202011032494A CN112144464A CN 112144464 A CN112144464 A CN 112144464A CN 202011032494 A CN202011032494 A CN 202011032494A CN 112144464 A CN112144464 A CN 112144464A
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H8/00—Removing undesirable matter from the permanent way of railways; Removing undesirable matter from tramway rails
- E01H8/10—Removing undesirable matter from rails, flange grooves, or the like railway parts, e.g. removing ice from contact rails, removing mud from flange grooves
- E01H8/105—Pneumatically or hydraulically loosening, removing or dislodging undesirable matter, e.g. removing by blowing, flushing, suction; Application of melting liquids; Loosening or removing by means of heat, e.g. cleaning by plasma torches, drying by burners
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Abstract
The invention discloses a device and a method for preventing and controlling wind, sand and dust on a high-speed railway retaining wall section. The control device comprises an adjustable damping screen, a sand settling tank, a sand leaking plate, a powerful sand blowing system and a T-shaped hanger, wherein the adjustable damping screen comprises two opposite damping screen bodies, and an accommodating space is formed by enclosing the two damping screen bodies; the sand settling tank is arranged in the accommodating space; the sand leaking plate is arranged below the sand settling tank; the T-shaped hanging pieces are arranged in retaining wall gaps on two sides of the guide rail, or the T-shaped hanging pieces are arranged at the top of the adjustable damping screen. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway provided by the invention fully utilizes the 'narrow tube benefit' between the adjustable damping screen and the retaining wall to form an accelerated lifting airflow so as to promote the sand-carrying airflow above the retaining wall to accelerate to cross the railway track, so that the sand grains are prevented from being decelerated and settled on two sides of the track, and the damage of wind and sand on the railway caused by the upward wind is weakened due to the smooth guidance.
Description
Technical Field
The invention relates to a sand dust prevention device, in particular to a sand dust prevention device and a sand dust prevention method suitable for a high-speed railway retaining wall road section, and belongs to the technical field of machinery.
Background
In order to prevent and control the wind and sand damage of railways, related departments set a plurality of sand blocking measures at different positions on two sides of a railway subgrade, wherein a retaining wall is the most common measure, is generally set on two sides of a high-speed railway subgrade, has the height of 4.0 m and is used for blocking the direct damage of wind and sand to railways. When wind sand flows approach the retaining wall, along with the reduction of wind speed and the attenuation of energy of sand-carrying airflow, part of sand particles can be accumulated in the front and at the back of the retaining wall to form a secondary sand source, and potential threats are caused to a high-speed railway. In addition, due to the lifting and blocking effects of the retaining wall on the airflow, a vortex backflow area is easily formed on the lee side of the retaining wall, sand and dust with small particle size can be gathered on the lee side of the retaining wall in a weak wind environment, once the wind direction deflects, the sand and dust accumulated on the two sides of the retaining wall can be directly conveyed to a track, and the safe operation of high-speed rails is seriously influenced.
Disclosure of Invention
The invention mainly aims to provide a device and a method for preventing and controlling wind, sand and dust on a high-speed railway retaining wall section, so as to overcome the defects in the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention comprises the following steps:
the embodiment of the invention provides a wind, sand and dust prevention and control device suitable for a high-speed railway retaining wall road section, which comprises an adjustable damping screen, a sand basin, a sand leaking plate, a strong sand blowing system and a T-shaped pendant, wherein,
the adjustable damping screen comprises a fixed frame and two opposite damping screen bodies, wherein the damping screen bodies are arranged on the fixed frame, an accommodating space is formed between the two damping screen bodies in a surrounding manner, and sand and dust can pass through the damping screen bodies to enter the accommodating space;
the sand settling tank is arranged in the accommodating space and at least used for collecting sand and dust entering the accommodating space through the damping screen body;
the sand leaking plate is arranged in the accommodating space and is positioned below the sand settling tank, the sand leaking plate is provided with a plurality of sand passing holes, and the sand passing holes are at least used for blocking gravel;
the powerful sand blowing system is at least used for blowing sand and dust on the inner side of the track;
t type pendant sets up in the barricade gap of guide rail both sides to at least, be used for blockking that the long-pending sand that forms before the barricade jumps the barricade under the wind-force effect and forms the sand source of secondary, perhaps, T type pendant sets up the top of adjustable damping sieve to at least, be used for making sand and dust jump barricade and track.
The embodiment of the invention also provides a method for preventing and controlling wind, sand and dust on the high-speed railway retaining wall road section, which comprises the following steps:
providing the wind, sand and dust prevention and control device suitable for the high-speed railway retaining wall section;
will be applicable to high-speed railway barricade highway section sand wind prevention and cure device sets up between the barricade of track both sides, and makes be applicable to high-speed railway barricade highway section sand wind prevention and cure device and advance along the guide rail, through "narrow tube benefit" between adjustable damping sieve and the barricade to form one and accelerate the lifting air current, make the sand-carrying air current of barricade top cross the track with higher speed, and
collecting sand dust which can not jump over the high-speed rail by using a sand settling tank, and blowing the sand dust on the inner side of the track by using a powerful sand blowing system.
Compared with the prior art, the invention has the advantages that:
1) the wind, sand and dust prevention and control device suitable for the retaining wall road section of the high-speed railway can be matched with the retaining wall to realize the functions of wind prevention and sand resistance, large vortex air flows on two sides of the retaining wall are broken, the direct elastic collision effect of the retaining wall on sand-carrying air flows is weakened, and part of the sand-carrying air flows can smoothly pass through a train operation area (which can be understood as a track) and are conveyed to the leeward side of a roadbed;
2) the device for preventing and treating the wind, sand and dust on the retaining wall road section of the high-speed railway provided by the embodiment of the invention adopts an assembled structure and an assembly, can be assembled and matched on site in a strong wind and sand environment road section and a strong wind season, can quickly and efficiently generate a wind and sand prevention and treatment effect, and meets the requirements of quick, high-grade and high-standard wind and sand prevention and treatment of the high-speed railway;
3) the device for preventing and treating the wind, sand and dust on the road section of the retaining wall of the high-speed railway provided by the embodiment of the invention fully utilizes the 'narrow tube benefit' between the adjustable damping screen and the retaining wall to form an accelerated lifting airflow to promote the sand-carrying airflow above the retaining wall to accelerate to cross the railway track, so that the sand grains are prevented from being decelerated and settled on two sides of the track, and the damage of wind and sand on the railway caused by the upward wind is weakened in a facilitated manner.
Drawings
FIG. 1 is a schematic structural diagram of a wind, sand and dust control device for a retaining wall section of a high-speed railway according to an exemplary embodiment of the present invention;
FIG. 2 is a schematic view of a honeycomb damper screen according to an exemplary embodiment of the present invention;
FIG. 3 is a schematic view of a sand screen according to an exemplary embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a sand basin in an exemplary embodiment of the present invention;
FIG. 5 is a schematic view of an elongated configuration of an elastic connector bar in accordance with an exemplary embodiment of the present invention;
FIG. 6 is a schematic diagram of a flexible connecting rod in accordance with an exemplary embodiment of the present invention;
FIG. 7 is a schematic view of the overall construction of a wheel according to an exemplary embodiment of the present invention;
FIG. 8 is a front elevational view of a wheel in accordance with an exemplary embodiment of the present invention;
FIG. 9 is a side elevational view of a wheel in accordance with an exemplary embodiment of the present invention;
FIG. 10 is a schematic view of the inboard configuration of a wheel in accordance with an exemplary embodiment of the present invention;
fig. 11 is a schematic view of an outboard configuration of a wheel in accordance with an exemplary embodiment of the present invention.
Detailed Description
In view of the deficiencies in the prior art, the inventors of the present invention have made extensive studies and extensive practices to provide technical solutions of the present invention. The technical solution, its implementation and principles, etc. will be further explained as follows.
The embodiment of the invention provides a wind, sand and dust prevention and control device suitable for a high-speed railway retaining wall road section, which comprises an adjustable damping screen, a sand basin, a sand leaking plate, a strong sand blowing system and a T-shaped pendant, wherein,
the adjustable damping screen comprises a fixed frame and two opposite damping screen bodies, wherein the damping screen bodies are arranged on the fixed frame, an accommodating space with an open top is formed between the two damping screen bodies in a surrounding manner, and sand and dust can pass through the damping screen bodies to enter the accommodating space;
the sand settling tank is arranged in the accommodating space or is communicated with the accommodating space and at least used for collecting sand and dust entering the accommodating space through the damping screen body;
the sand leaking plate is arranged in the accommodating space and is positioned below the sand settling tank, the sand leaking plate is provided with a plurality of sand passing holes, and the sand passing holes are at least used for blocking gravel;
the powerful sand blowing system is at least used for blowing sand and dust on the inner side of the track;
t type pendant sets up in the barricade gap of guide rail both sides to at least, be used for blockking that the long-pending sand that forms before the barricade jumps the barricade under the wind-force effect and forms the sand source of secondary, perhaps, T type pendant sets up the top of adjustable damping sieve to at least, be used for making sand and dust jump barricade and track.
Furthermore, the T-shaped hanging piece is fixed to the top of the adjustable damping screen through a threaded connecting piece.
Further, T type pendant includes extension rod and eaves formula elbow, the length of extension rod can be adjusted, contained angle between extension rod and the eaves formula elbow can be adjusted.
Further, the extension rod is connected with the eaves type elbow through a threaded connection piece, wherein the extension rod and the eaves type elbow are inclined and arranged, and the inclination directions of the extension rod and the eaves type elbow are opposite.
Further, still be provided with at least connecting rod between two damping screen frames, the both ends of connecting rod respectively with two damping screen frame fixed connection, wherein, the length of connecting rod can be adjusted, can change at least through adjusting the length of connecting rod the interval between two damping screen frames, for example, the connecting rod can be hydraulic pressure contraction type connecting rod.
Furthermore, the damping screen body is connected with the fixed frame through a lock catch, the damping screen body comprises more than two damping screen meshes which are stacked, the position of at least one damping screen mesh can be adjusted, and the porosity of the damping screen body can be changed by adjusting the position of at least one damping screen mesh.
Further, the damping screen is of a honeycomb structure.
Further, the damping screen body has a porosity of 10-60%.
Furthermore, the desilting pond through pull mode or tipping bucket mode with adjustable damping sieve connects the cooperation, for example, be provided with the draw-in groove on the fixed frame of adjustable damping sieve, the desilting pond activity sets up in the draw-in groove to can through the mode of pull with the fixed frame connects the cooperation.
Further, be applicable to high-speed railway barricade highway section sand and wind dirt prevention and control device includes: the sand leaking plate structure comprises a plurality of sand leaking plates which are sequentially stacked, wherein a plurality of through holes are formed in the sand leaking plates in the thickness direction of the sand leaking plates, the through holes in the sand leaking plates are communicated with one another to form sand passing holes, and at least one sand leaking plate can be moved in the radial direction of the through holes.
Furthermore, the aperture of the through hole is 2cm, and the length of the sand passing hole is 3 cm.
Furthermore, the powerful sand blowing system is hung at the bottom of the sand leaking plate and correspondingly arranged at the bottom of the sand passing hole.
Further, the powerful sand blowing system can rotate freely.
Furthermore, wheels are further arranged at the bottom of the adjustable damping screen.
Furthermore, a traction bolt used for being connected with a tractor is further arranged on the adjustable damping screen.
The embodiment of the invention also provides a method for preventing and controlling wind, sand and dust on the high-speed railway retaining wall road section, which comprises the following steps:
providing the wind, sand and dust prevention and control device suitable for the high-speed railway retaining wall section;
will be applicable to high-speed railway barricade highway section sand blown by wind dirt prevention and control device sets up between the barricade of track both sides, and makes be applicable to high-speed railway barricade highway section sand blown by wind dirt prevention and control device and advance along the guide rail, through "narrow tube benefit" between adjustable damping sieve and the barricade to form one and accelerate the lifting air current, make the sand-carrying air current of barricade top cross the track with higher speed to and collect the sand and dust that can't jump the high-speed railway with the desilting pond, and blow the sand and dust of system inboard to the track with the brute force and sweep.
The technical solution, the implementation process and the principle thereof will be further explained with reference to the drawings and the specific embodiments.
Example 1
Referring to fig. 1, a device for preventing and treating wind, sand and dust on a retaining wall section of a high-speed railway is arranged between retaining walls on two sides of a track and comprises an adjustable damping screen, a sand settling tank, a sand leaking plate, a strong sand blowing system and a T-shaped hanger, wherein,
the adjustable damping screen comprises a fixed frame and two opposite damping screen bodies, wherein the damping screen bodies are connected with the fixed frame through lock catches and form an accommodating space between the two damping screen bodies in a surrounding manner, and sand and dust which cannot cross a track can pass through the damping screen bodies to enter the accommodating space;
the sand settling tank is arranged in the accommodating space or is communicated with the accommodating space and at least used for collecting sand and dust entering the accommodating space through the damping screen body;
the sand leaking plate is arranged in the accommodating space and is positioned below the sand settling tank, the sand leaking plate is provided with a plurality of sand passing holes, and the sand passing holes are at least used for blocking gravel;
the powerful sand blowing system is at least used for blowing sand and dust on the inner side of the track;
t type pendant sets up in the barricade gap of guide rail both sides to at least, be used for blockking that the long-pending husky that forms before the barricade leaps the barricade under the wind-force effect and forms the sand source of secondary, perhaps, T type pendant passes through the fixed setting of threaded connection spare such as screw and is in the top of adjustable damping sieve to be used for making husky dirt leap barricade and track at least.
Specifically, referring to fig. 1 again, the T-shaped hanger includes an extension rod and a cornice elbow, the length of the extension rod is adjustable, the shortest length during contraction is 10cm, the maximum length after extension is 50cm, and the length of the cornice elbow is 5 cm; the eaves-type elbow and the extension rod are fixed through screws, and the connection angle between the eaves-type elbow and the extension rod is continuously adjustable; the T-shaped pendant has the following functions: when the retaining wall is transversely hung in a gap of a retaining wall combination plate, accumulated sand formed in front of a track retaining wall can be prevented from jumping over the retaining wall under the action of wind power to form a secondary sand source; when the adjustable damping screen is fixed on the top of the adjustable damping screen, sand and dust can smoothly jump over the retaining wall and the track, and sand accumulation on the track is avoided.
Specifically, referring to fig. 1 and 2, at least one connecting rod is further disposed between the two damping screen bodies, two ends of the connecting rod are respectively and fixedly connected to the two damping screen bodies, wherein the connecting rod is a hydraulic retractable connecting rod with an adjustable length, and a distance between the two damping screen bodies can be changed at least by adjusting the length of the connecting rod.
Specifically, referring to fig. 1, 5 and 6, two ends of the connecting rod are connected with the adjustable damping screen through large bolts, the length of the connecting rod can be adjusted according to the width of the track when the connecting rod is used, the connecting rod can be contracted to the shortest length to reduce the size when the connecting rod is not used, and the connecting rod can be conveniently transported through disassembly, for example, the maximum length of the connecting rod is 3m, and the contracted shortest length is 1 m.
Specifically, the damping screen frame includes the damping screen cloth that two more than stack were established, and a plurality of damping screen cloths are installed on fixed frame, the damping screen cloth is honeycomb structure, and the position of at least one damping screen cloth can be adjusted, and the accessible makes the height adjustment of a plurality of damping screen cloths superpose the mode to adjustable damping screen cloth, and the specification of single damping screen cloth is 1 mx 2m, and the porosity of damping screen frame can select by oneself to adjust according to wind condition environment and long-pending husky condition, for example, can make the porosity of damping screen frame adjust in 10-60% through adjusting at least one the position of damping screen cloth.
Specifically, referring to fig. 3, the device for preventing and controlling wind, sand and dust on a retaining wall section of a high-speed railway comprises a plurality of sand leaking plates which are sequentially stacked, wherein the sand leaking plates are provided with a plurality of through holes arranged along the thickness direction of the sand leaking plates, the through holes on the sand leaking plates are mutually communicated to form sand passing holes, and the sand passing holes are at least used for blocking the passing of gravels and preventing the gravels from being stacked on a track to cause damage to the railway; wherein at least one of the sand screens can be moved along the radial direction of the through holes, for example, the width of the sand passing holes can be changed by drawing at least one of the sand screens to enable the through holes on the plurality of sand screens to be coaxially arranged or to be mutually staggered; for example, the aperture of the through hole on the sand leaking plate is 2cm, and the length of the sand passing hole is 3 cm.
Specifically, the powerful sand blowing system is hung at the bottom of the sand passing hole and can freely rotate for 360 degrees, and sand grains accumulated on the inner side of the track are blown to the periphery of the track by the powerful sand blowing system under the action of wind power, so that the influence on driving safety caused by the rolling burying of the track due to accumulated sand is avoided; of course, the wind direction and intensity can be adjusted according to the peripheral accumulated sand condition, wherein the powerful sand blowing system is driven by electric power.
Specifically, referring to fig. 4, the sand basin is mainly used for settling sand and dust which cannot jump over the track, so as to prevent the sand and dust from falling on the track and causing a threat to a traveling crane, when the adjustable damping screen is used, the sand basin can be placed in the middle of the adjustable damping screen, a clamping groove is arranged on a fixed frame of the adjustable damping screen, and the sand basin is movably arranged in the clamping groove and can be connected and matched with the fixed frame in a pulling manner; when the accumulated sand is poured, the accumulated sand can be pulled out, and the specification of the sand basin can be as wide as the track.
Specifically, referring to fig. 7-11, the bottom of the adjustable damping screen is further provided with wheels, and the size of the wheels can be adjusted according to the surrounding terrain, for example, when the ground is uneven, wheels with large size can be adopted; the inch wheel comprises an inflatable wheel and a track type wheel, the inflatable wheel can walk on the plane of the track outside the track, and the track type wheel can walk on the track.
Specifically, the wheel includes track road surface switching formula tire, track road surface switching formula tire can satisfy the demand of walking on track and ordinary road surface simultaneously, and need not to change the tire, and this track road surface switching formula tire's inboard is track formula tire, and the outside is inflatable tire.
In particular, the damping screen is further provided with a towing bolt connected with a towing vehicle, so that the damping screen can be towed and transported by the vehicle.
Specifically, adopt be applicable to when high-speed railway barricade highway section sand and dust prevention and control device carries out sand and dust prevention and control:
firstly, the porosity of the adjustable damping screen and the powerful sand blowing system with different powers can be determined according to the sand wind environment and the sand accumulation condition around the applicable object, the sand wind environment is severe, the porosity can be properly adjusted, and the power of the powerful sand blowing system is increased;
secondly, selecting proper wheels according to road conditions, if the area is uneven and the track is buried, selecting inflatable wheels, and if the track is not buried, selecting track type wheels;
thirdly, determining the number of the damping screen meshes and the height of the adjustable damping screen according to the height of the track retaining wall, if the height of the retaining wall is higher, adjusting by increasing the number of the damping screen meshes, for example, firstly fixing the damping screen meshes on a fixing frame, then sequentially superposing and fixing, before superposition, firstly placing a group of 'H' -shaped fixing buckles at the top of the lower damping screen meshes, nesting the damping screen meshes in the buckles, and completing superposition by inserting and fixing through screws and nuts;
fourthly, determining the length of the connecting rod according to the track and the peripheral terrain, or properly adjusting the length of the connecting rod according to the width of the accommodating space in the adjustable damping screen in the operation process;
fifthly, arranging the sand leaking plate and the sand settling tank in a middle blank area of the damping screen, and fixing a powerful sand blowing system at the bottom of the sand leaking plate so as to finish the assembly of the device;
sixthly, connecting the assembled device with a mechanical vehicle through a traction bolt, so that the wind, sand and dust prevention and control device suitable for the high-speed railway retaining wall section can clean accumulated sand along the guide rail;
seventhly, the device suitable for preventing and controlling the sand and wind dust on the retaining wall section of the high-speed railway travels along the guide rail, and a narrow tube benefit between the adjustable damping screen and the retaining wall is formed, so that an accelerated lifting airflow is formed, the sand-carrying airflow above the retaining wall is promoted to accelerate to cross the track, the sand and the dust which cannot jump over the high-speed rail are collected by a sand settling pond, and the sand and the dust on the inner side of the track are swept by a powerful sand blowing system.
The wind, sand and dust prevention and control device suitable for the retaining wall road section of the high-speed railway can be matched with the retaining wall to realize the functions of wind prevention and sand resistance, large vortex air flows on two sides of the retaining wall are broken, the direct elastic collision effect of the retaining wall on sand-carrying air flows is weakened, and part of the sand-carrying air flows can smoothly pass through a train operation area (which can be understood as a track) and are conveyed to the leeward side of a roadbed;
according to the wind, sand and dust prevention and control device suitable for the retaining wall road section of the high-speed railway, the porosity and the ventilation degree of the damping screen are changed by mutual overlapping according to the abundant degree of sand sources and the wind condition environment on two sides of the track by utilizing the porous structure distributed in a staggered manner, so that the transit flux of wind and sand passing through the environment is adjusted.
The sand settling tank of the wind, sand and dust prevention and control device suitable for the retaining wall road section of the high-speed railway can be pulled and taken out, so that sand grains which are retarded and gathered in the sand settling tank through the damping screen can be replaced periodically;
in addition, the wind, sand and dust prevention and control device suitable for the retaining wall road section of the high-speed railway can also thoroughly remove some silt which is harmful to the safety of the track by using a powerful sand blowing system so as to eliminate wind erosion or abrasion of the silt to track facilities.
The device for preventing and treating the wind, sand and dust on the retaining wall road section of the high-speed railway provided by the embodiment of the invention adopts an assembled structure and an assembly, can be assembled and matched on site in a strong wind and sand environment road section and a strong wind season, can quickly and efficiently generate a wind and sand prevention and treatment effect, and meets the requirements of quick, high-grade and high-standard wind and sand prevention and treatment of the high-speed railway.
The device for preventing and treating the wind, sand and dust on the road section of the retaining wall of the high-speed railway provided by the embodiment of the invention fully utilizes the 'narrow tube benefit' between the adjustable damping screen and the retaining wall to form an accelerated lifting airflow to promote the sand-carrying airflow above the retaining wall to accelerate to cross the railway track, so that the sand grains are prevented from being decelerated and settled on two sides of the track, and the damage of wind and sand on the railway caused by the upward wind is weakened in a facilitated manner.
It should be understood that the above-mentioned embodiments are merely illustrative of the technical concepts and features of the present invention, which are intended to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and therefore, the protection scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. A wind, sand and dust prevention device suitable for a high-speed railway retaining wall road section is characterized by comprising an adjustable damping screen, a sand basin, a sand leaking plate, a strong sand blowing system and a T-shaped hanger, wherein,
the adjustable damping screen comprises a fixed frame and two opposite damping screen bodies, wherein the damping screen bodies are arranged on the fixed frame, an accommodating space is formed between the two damping screen bodies in a surrounding manner, and sand and dust can pass through the damping screen bodies to enter the accommodating space;
the sand settling tank is arranged in the accommodating space or is communicated with the accommodating space and at least used for collecting sand and dust entering the accommodating space through the damping screen body;
the sand leaking plate is arranged in the accommodating space and is positioned below the sand settling tank, the sand leaking plate is provided with a plurality of sand passing holes, and the sand passing holes are at least used for blocking gravel;
the powerful sand blowing system is at least used for blowing sand and dust on the inner side of the track;
t type pendant sets up in the barricade gap of guide rail both sides to at least, be used for blockking that the long-pending sand that forms before the barricade jumps the barricade under the wind-force effect and forms the sand source of secondary, perhaps, T type pendant sets up the top of adjustable damping sieve to at least, be used for making sand and dust jump barricade and track.
2. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway according to claim 1, wherein: t type pendant includes extension rod and eaves formula elbow, the length of extension rod can be adjusted, contained angle between extension rod and the eaves formula elbow can be adjusted.
3. The device for preventing and controlling the wind, sand and dust on the road section of the high-speed railway retaining wall according to claim 2, wherein: the utility model discloses a novel extension rod, including the extension rod, eaves formula elbow, threaded connection spare is passed through to extension rod and eaves formula elbow and is connected, wherein, extension rod and eaves formula elbow all incline to set up, just the opposite direction of slope of extension rod and eaves formula elbow.
4. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway according to claim 1, wherein: at least one connecting rod is further arranged between the two damping screen bodies, and two ends of the connecting rod are fixedly connected with the two damping screen bodies respectively, wherein the length of the connecting rod can be adjusted, and the distance between the two damping screen bodies can be changed at least by adjusting the length of the connecting rod; and/or the connecting rod is a hydraulic contraction type connecting rod.
5. The device for preventing and controlling the wind, sand and dust on the road section of the high-speed railway retaining wall according to claim 4, wherein: the damping screen body comprises more than two damping screen meshes which are stacked, the position of at least one damping screen mesh can be adjusted, and the porosity of the damping screen body can be changed at least by adjusting the position of at least one damping screen mesh; preferably, the damping screen is of a honeycomb structure; preferably, the damping screen body has a porosity of 10-60%.
6. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway according to claim 1, wherein: the desilting pond is connected and matched with the adjustable damping sieve in a drawing mode or a tipping bucket mode; and/or, a clamping groove is formed in a fixed frame of the adjustable damping screen, and the sand settling tank is movably arranged in the clamping groove and can be connected and matched with the fixed frame in a drawing mode.
7. The apparatus for preventing and treating wind, sand and dust on a retaining wall section of a high-speed railway according to claim 1, comprising: the sand leakage plate comprises a plurality of sand leakage plates which are sequentially stacked, wherein a plurality of through holes are formed in the sand leakage plates in the thickness direction of the sand leakage plates, the through holes in the sand leakage plates are communicated with one another to form sand passing holes, and at least one sand leakage plate can be moved in the radial direction of the through holes; preferably, the aperture of the through hole is 2cm, and the length of the sand passing hole is 3 cm.
8. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway according to claim 1, wherein: the powerful sand blowing system is hung at the bottom of the sand leaking plate and is correspondingly arranged at the bottom of the sand passing hole; preferably, the powerful sand blowing system is capable of rotating freely.
9. The device for preventing and controlling the wind, sand and dust on the retaining wall road section of the high-speed railway according to claim 1, wherein: wheels are further arranged at the bottom of the adjustable damping screen; and/or a towing bolt used for being connected with a towing vehicle is further arranged on the adjustable damping screen.
10. A method for preventing and controlling wind, sand and dust on a high-speed railway retaining wall road section is characterized by comprising the following steps:
providing a sand and wind dust control device suitable for a high-speed railway retaining wall section as defined in any one of claims 1 to 9;
will be applicable to high-speed railway barricade highway section sand wind prevention and cure device sets up between the barricade of track both sides, and makes be applicable to high-speed railway barricade highway section sand wind prevention and cure device and advance along the guide rail, through "narrow tube benefit" between adjustable damping sieve and the barricade to form one and accelerate the lifting air current, make the sand-carrying air current of barricade top cross the track with higher speed, and
collecting sand dust which can not jump over the high-speed rail by using a sand settling tank, and blowing the sand dust on the inner side of the track by using a powerful sand blowing system.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011032494.3A CN112144464B (en) | 2020-09-27 | 2020-09-27 | Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011032494.3A CN112144464B (en) | 2020-09-27 | 2020-09-27 | Device and method suitable for preventing and treating wind, sand and dust on high-speed railway retaining wall road section |
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| CN112144464A true CN112144464A (en) | 2020-12-29 |
| CN112144464B CN112144464B (en) | 2022-04-08 |
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Citations (11)
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| CN107034797A (en) * | 2017-05-05 | 2017-08-11 | 中国科学院寒区旱区环境与工程研究所 | Automatic lifting sand storm protection fence |
| CN209429031U (en) * | 2018-12-11 | 2019-09-24 | 赵俊一 | A kind of railroad track sand-removal device |
| CN110847067A (en) * | 2019-11-28 | 2020-02-28 | 界首市利能环保技术开发有限公司 | A prevent wind and fall husky wall for environmental protection |
| CN111395249A (en) * | 2020-03-20 | 2020-07-10 | 中国铁建高新装备股份有限公司 | Railway ballast bed sand removing vehicle and operation method thereof |
| CN111425055A (en) * | 2020-03-23 | 2020-07-17 | 兰州大学 | Secondary sand accumulation prevention facility based on wind-break wall |
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| JPH08165614A (en) * | 1994-12-14 | 1996-06-25 | Tokyo Seiko Co Ltd | Snow-fence and operating method of snow shelter plate thereof |
| CN102852119A (en) * | 2011-06-30 | 2013-01-02 | 中国科学院寒区旱区环境与工程研究所 | Sand wind hazard comprehensive protection system for railway in shore of cold highland area |
| CN102304899A (en) * | 2011-07-22 | 2012-01-04 | 北京精诚博桑科技有限公司 | Wind shielding gravel mechanism not vertical to ground |
| CN105089000A (en) * | 2014-05-21 | 2015-11-25 | 新昌县康泓机械科技有限公司 | Track accumulated sand cleaning device |
| CN205474900U (en) * | 2016-01-19 | 2016-08-17 | 中国科学院寒区旱区环境与工程研究所 | Adjustable prevent wind and hinders sand barrier |
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| CN107034797A (en) * | 2017-05-05 | 2017-08-11 | 中国科学院寒区旱区环境与工程研究所 | Automatic lifting sand storm protection fence |
| CN209429031U (en) * | 2018-12-11 | 2019-09-24 | 赵俊一 | A kind of railroad track sand-removal device |
| CN110847067A (en) * | 2019-11-28 | 2020-02-28 | 界首市利能环保技术开发有限公司 | A prevent wind and fall husky wall for environmental protection |
| CN111395249A (en) * | 2020-03-20 | 2020-07-10 | 中国铁建高新装备股份有限公司 | Railway ballast bed sand removing vehicle and operation method thereof |
| CN111425055A (en) * | 2020-03-23 | 2020-07-17 | 兰州大学 | Secondary sand accumulation prevention facility based on wind-break wall |
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| CN112144464B (en) | 2022-04-08 |
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