1. A rail traffic rail cleaning device comprises sleepers (1), rails (2) and a moving vehicle body (3), and is characterized in that the sleepers (1) are distributed at equal intervals, two rails (2) which are parallel to each other are arranged at the top ends of the sleepers (1), and the moving vehicle body (3) is arranged at the top ends of the rails (2);

the bottom end of the moving vehicle body (3) is provided with moving wheels (309) matched with the track (2), the top end of the moving vehicle body (3) is fixedly provided with a water tank (6), and the back of the water tank (6) is fixedly provided with a push rod (4);

the front end of the movable trolley body (3) is fixedly connected with two extension plates (302) which are horizontally arranged and symmetrically distributed, the top end of one of the extension plates (302) is fixedly provided with a driving motor (301), the bottom ends of the two extension plates (302) are respectively rotatably provided with a rotating rod (308), and an output shaft of the driving motor (301) penetrates through the extension plates (302) and is fixedly connected with one of the rotating rods (308);

two the equal fixed mounting in bottom of dwang (308) has the mounting disc, and the bottom of mounting disc installs the brush (304) that cleans that is evenly distributed, is close to fixed drive pulley (303) of having cup jointed on the body of rod of dwang (308) of driving motor (301) one side, keep away from fixed cover on the body of rod of dwang (308) of driving motor (301) one side has been cup jointed first drive pulley (305) and second drive pulley (306), and first drive pulley (305) are located the below of second drive pulley (306), the bottom of removing automobile body (3) is rotated and is installed driven pulley (307), just first drive pulley (305) all are connected through drive belt with drive pulley (303) and second drive pulley (306) and driven pulley (307).

2. The rail transit rail cleaning device as claimed in claim 1, wherein a cleaning and dust removing mechanism (5) is arranged on the back surface of the water tank (6), and the cleaning and dust removing mechanism (5) is positioned below the push rod (4).

3. The rail transit rail cleaning device according to claim 2, wherein the cleaning and dust removing mechanism (5) comprises a lower pressing frame body (501), an inserting plate (502), inserting holes (503), a lower pressing plate (504), a fixing plate (505), a reset spring (506), a lower pressing rod (507), a cleaning and dust removing scraping plate (508), a water guide pipe (509) and a rubber branch pipe (510), the lower pressing frame body (501) which is U-shaped is hinged to the back surface of the water tank (6), the inserting plate (502) penetrates through one side of the lower pressing frame body (501) parallel to the back surface of the water tank (6) in a sliding mode, two inserting holes (503) which are distributed vertically and have the same structure are arranged on the back surface of the water tank (6), and the inserting plate (502) is matched with the inserting holes (503).

4. The rail transit rail cleaning device according to claim 3, wherein two fixing plates (505) are symmetrically arranged on the back surface of the water tank (6), lower pressing rods (507) are arranged on the plate bodies of the two fixing plates (505) in a sliding and penetrating manner, lower pressing plates (504) which are parallel to the back surface of the water tank (6) are fixedly connected to the top ends of the two lower pressing rods (507), return springs (506) are fixedly connected between the bottom ends of the lower pressing plates (504) and the top ends of the two fixing plates (505), the two return springs (506) are respectively sleeved on the rod bodies of the two lower pressing rods (507), and cleaning and dust removing scrapers (508) are fixedly connected to the bottom ends of the lower pressing rods (507).

5. The rail transit rail cleaning device as claimed in claim 4, wherein the cleaning and dust removing scraper (508) is U-shaped, the lower pressing rod (507) is hollow cylindrical, a horizontal section of the cleaning and dust removing scraper (508) is provided with a hole communicated with the lower pressing rod (507), and a cleaning and dust removing cotton pad is mounted on the inner wall of the cleaning and dust removing scraper (508).

6. A rail transit rail cleaning device as claimed in claim 5, characterized in that a partition plate (601) in an L shape is fixedly installed inside the water tank (6), the water tank (6) is provided with a water collecting tank (603) and a cleaning liquid tank (604) through the partition plate (601), and the side wall of the water tank (6) is provided with a filling port (602) communicated with the cleaning liquid tank (604).

7. The rail transit rail cleaning device according to claim 6, wherein a first lower liquid plate (605) and a second lower liquid plate (606) are fixedly connected to the inner wall of the water tank (6), the first lower liquid plate (605) is located right below the cleaning liquid tank (604) and the horizontal section of the partition plate (601), the first lower liquid plate (605) and the second lower liquid plate (606) are arranged in an L-shaped structure with an obtuse angle at an inflection point, the horizontal sections of the first lower liquid plate (605) and the second lower liquid plate (606) are fixedly connected with the vertical section of the partition plate (601), and the bottom ends of the first lower liquid plate and the second lower liquid plate are flush.

8. The rail transit rail cleaning device according to claim 7, wherein the horizontal sections of the first lower liquid plate (605) and the second lower liquid plate (606) are both provided with a lower liquid port (6061) penetrating through the plate body of the first lower liquid plate, and the caliber of the lower liquid port (6061) at the second lower liquid plate (606) is larger than that of the lower liquid port (6061) at the first lower liquid plate (605).

9. The rail transit rail cleaning device according to claim 6, wherein an inner wall of a bottom end of the water tank (6) is fixedly provided with an agitating barrel (607) in an inverted frustum shape, a top end of the agitating barrel (607) is in an open shape, the top end of the agitating barrel (607) and bottom ends of the first liquid dropping plate (605) and the second liquid dropping plate (606) are in fit sliding installation with two baffles (608) which are symmetrically distributed, a return spring is fixedly connected between the two baffles (608), the baffles (608) are in a semicircular disc shape, one sides of the two baffles (608) close to each other are respectively provided with an installation groove (6081), an installation plate (6082) is fixedly installed inside the installation groove (6081), a driven rod (609) is rotatably installed inside the agitating barrel (607), and a bottom end of the driven rod (609) penetrates through the agitating barrel (607) and the bottom end of the water tank (6) and is fixedly connected with a driven belt pulley (307), the circumference lateral wall fixedly connected with of driven lever (609) is evenly distributed puddler (6091), just two catch bars (6092) that are the symmetric distribution and flush with mounting groove (6081) of top fixedly connected with of driven lever (609), the tip of catch bar (6092) rotates installs and promotes disc (6093).

10. The rail transit rail cleaning device as claimed in claim 9, wherein a pressurized water pump is installed inside the stirring barrel (607), a water outlet of the pressurized water pump is connected with a water guide pipe (509), the water guide pipe (509) penetrates through the back surface of the water tank (6), and a rubber branch pipe (510) is connected between the water guide pipe and the lower pressing rod (507).

Background

Rail transit refers to a type of vehicle or transportation system in which operating vehicles need to travel on a particular rail. The most typical rail transit is a railway system consisting of conventional trains and standard railways. With the diversified development of train and railway technologies, rail transit is more and more types, and is not only distributed in long-distance land transportation, but also widely applied to medium-short distance urban public transportation. The common rail transit comprises a traditional railway, a subway, a light rail and a tramcar, and the novel rail transit comprises a magnetic suspension rail system, a monorail system, a passenger automatic rapid transit system and the like. According to the difference of service ranges, rail transit is generally divided into three major categories of national railway systems, intercity rail transit and urban rail transit. The rail transit generally has the advantages of large transportation volume, high speed, dense shift, safety, comfort, high punctuality rate, all weather, low transportation cost, energy conservation, environmental protection and the like, but is usually accompanied by higher early investment, technical requirements and maintenance cost, and the occupied space is usually larger.

In the use process of the rail, the rail is placed in the open air, so that a large amount of dust and sand are easily adhered to the surface of the rail, the safe use of the rail is affected, and therefore, in order to solve the problems, the rail traffic rail cleaning device is provided.

Disclosure of Invention

The rail transit rail cleaning device provided by the invention solves the problem that the use safety of the rail is easily influenced by sand and stones adhered to the surface of the existing railway rail.

In order to achieve the purpose, the invention adopts the following technical scheme:

a rail traffic rail cleaning device comprises sleepers, rails and a movable vehicle body, wherein the sleepers are distributed at equal intervals, two parallel rails are arranged at the top ends of the sleepers, and the movable vehicle body is arranged at the top ends of the rails;

the bottom end of the moving vehicle body is provided with moving wheels matched with the track, the top end of the moving vehicle body is fixedly provided with a water tank, and the back of the water tank is fixedly provided with a push rod;

the front end of the movable trolley body is fixedly connected with two extension plates which are horizontally arranged and symmetrically distributed, a driving motor is fixedly installed at the top end of one of the extension plates, rotating rods are rotatably installed at the bottom ends of the two extension plates, and an output shaft of the driving motor penetrates through the extension plates and is fixedly connected with one of the rotating rods;

two the equal fixed mounting in bottom of dwang has the mounting disc, and the bottom of mounting disc installs the brush that cleans that is evenly distributed, is close to fixed the cup jointing has drive pulley on the body of rod of the dwang of driving motor one side, keeps away from fixed cup jointing has first drive pulley and second drive pulley on the dwang body of rod of driving motor one side, and first drive pulley is located second drive pulley's below, the bottom of removal automobile body is rotated and is installed driven pulley, just first drive pulley all is connected through driving belt with drive pulley and second drive pulley and driven pulley.

Preferably, a cleaning and dust removing mechanism is arranged on the back of the water tank and is located below the push rod.

As preferred, wash dust removal mechanism including pushing down support body, picture peg, jack, holding down plate, fixed plate, reset spring, depression bar, washing dust removal scraper blade, aqueduct and rubber branch pipe down, the articulated support body that pushes down that is the U type of installing in the back of water tank, just it runs through with the parallel one side in the water tank back to push down the support body and is provided with the picture peg, the back of water tank is equipped with two and distributes about and the same jack of structure, and picture peg and jack matching.

Preferably, the back fixed mounting of water tank has two fixed plates that are the symmetric distribution, and two all slide on the plate body of fixed plate and run through and be provided with depression bar, two the top fixedly connected with of depression bar is parallel arrangement's holding down plate with the water tank back down, the bottom of holding down plate and two equal fixedly connected with reset spring between the top of fixed plate, and two reset spring overlaps respectively and locates two on the body of rod of depression bar down, the bottom fixedly connected with of depression bar washs the dust removal scraper blade down.

Preferably, the cleaning and dedusting scraper is arranged in a U shape, the lower pressing rod is in a hollow cylindrical shape, a hole communicated with the lower pressing rod is formed in the horizontal section of the cleaning and dedusting scraper, and a cleaning and dedusting cotton pad is arranged on the inner wall of the cleaning and dedusting scraper.

Preferably, an L-shaped partition plate is fixedly installed inside the water tank, the water tank is provided with a water collecting tank and a cleaning liquid tank through the partition plate, and a filling port communicated with the cleaning liquid tank is formed in the side wall of the water tank.

Preferably, the inner wall of the water tank is fixedly connected with a first liquid dropping plate and a second liquid dropping plate, the first liquid dropping plate is located under the cleaning liquid tank and the horizontal section of the partition plate, the first liquid dropping plate and the second liquid dropping plate are arranged in an L-shaped structure with an obtuse inflection point, the horizontal sections of the first liquid dropping plate and the second liquid dropping plate are fixedly connected with the vertical section of the partition plate, and the bottom ends of the first liquid dropping plate and the second liquid dropping plate are flush.

Preferably, the horizontal sections of the first lower liquid plate and the second lower liquid plate are both provided with a lower liquid port penetrating through the plate body of the first lower liquid plate and the diameter of the lower liquid port at the second lower liquid plate is larger than that of the lower liquid port at the first lower liquid plate.

Preferably, the bottom inner wall fixed mounting of water tank has the agitator that is inverted round platform form, just the top of agitator is the opening form, the bottom laminating slidable mounting of the top of agitator and first lower liquid board and second lower liquid board has two baffles that are the symmetric distribution, and two fixedly connected with return spring between the baffle, just the baffle is the half-disk form, two the baffle each other near one side all seted up the mounting groove, just the inside fixed mounting of mounting groove has the mounting panel, the inside rotation of agitator installs the driven lever, just the bottom of driven lever runs through the bottom and the driven pulley fixed connection of agitator and water tank, the circumference lateral wall fixed connection of driven lever has the puddler that is the uniform distribution, just the top fixed connection of driven lever has two catch bars that are the symmetric distribution and flush with the mounting groove, the end part of the push rod is rotatably provided with a push disc.

Preferably, a pressure water pump is installed inside the stirring barrel, a water outlet of the pressure water pump is connected with a water guide pipe, the water guide pipe penetrates through the back face of the water tank, and a rubber branch pipe is connected between the water guide pipe and the lower pressing rod.

The invention has the beneficial effects that:

1. the front side of the moving vehicle body is provided with the cleaning mechanism, the driving motor drives the rotating rod and the belt pulley to rotate, so that the moving vehicle body can clean sand and dust adhered to the surface of the rail in the process of moving the moving wheel on the rail, and the use safety of the rail is guaranteed.

2. Through set up water catch bowl and washing cistern inside the water tank, and drive the catch bar and promote the rotation of disc through the driven lever, can order about the baffle to be reciprocating motion when making it contact with the inside mounting panel of baffle, thereby make water and washing liquid enter into the agitator inside and obtain the stirring through the puddler and mix, and enter into down inside the depression bar through aqueduct and rubber branch pipe, then spray at the track surface through wasing dust removal scraper blade, can make to wash dust removal scraper blade and hug closely track surface movement through the pressure subassembly that pushes down on the washing dust removal mechanism, it strikes off and cleans the cleanness to stubborn impurity of its surface adhesion, the effect of track clearance is improved.

To sum up, the device not only can clean the grit and the dust on track surface, can also carry out comparatively effectual clearance to the stubborn impurity of track surface adhesion, improves track traffic's track clearance effect, improves the security performance that the track used.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the backside structure of the present invention;

FIG. 3 is a schematic structural diagram of a cleaning and dust-removing mechanism of the present invention;

FIG. 4 is a schematic front view of the present invention;

FIG. 5 is a schematic view of the bottom end structure of the movable cart body according to the present invention;

FIG. 6 is a schematic view of the internal structure of the water tank of the present invention;

fig. 7 is a schematic structural view of the inside of the water tank of the present invention with a partition removed.

Reference numbers in the figures: 1. a sleeper; 2. a track; 3. moving the vehicle body; 301. a drive motor; 302. an extension plate; 303. a drive pulley; 304. cleaning a brush; 305. a first drive pulley; 306. a second drive pulley; 307. a driven pulley; 308. rotating the rod; 309. a moving wheel; 4. a push rod; 5. cleaning and dedusting mechanisms; 501. pressing the frame body downwards; 502. inserting plates; 503. a jack; 504. a lower pressing plate; 505. a fixing plate; 506. a return spring; 507. a lower pressure lever; 508. cleaning a dust removal scraper; 509. a water conduit; 510. a rubber branch pipe; 6. a water tank; 601. a partition plate; 602. a filling port; 603. a water collection tank; 604. a cleaning liquid tank; 605. a first lower liquid plate; 606. a second lower liquid plate; 6061. a liquid discharge port; 607. a stirring barrel; 608. a baffle plate; 6081. mounting grooves; 6082. mounting a plate; 609. a driven lever; 6091. a stirring rod; 6092. a push rod; 6093. the disc is pushed.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1, 4 and 5, the rail traffic rail cleaning device comprises sleepers 1, rails 2 and a moving vehicle body 3, wherein the sleepers 1 are distributed at equal intervals, two parallel rails 2 are arranged at the top ends of the sleepers 1, and the moving vehicle body 3 is arranged at the top ends of the rails 2;

the bottom end of the moving vehicle body 3 is provided with moving wheels 309 matched with the track 2, the top end of the moving vehicle body 3 is fixedly provided with a water tank 6, and the back of the water tank 6 is fixedly provided with a push rod 4;

the front end of the moving vehicle body 3 is fixedly connected with two extending plates 302 which are horizontally arranged and symmetrically distributed, the top end of one extending plate 302 is fixedly provided with a driving motor 301, the bottom ends of the two extending plates 302 are both rotatably provided with a rotating rod 308, and the output shaft of the driving motor 301 penetrates through the extending plates 302 and is fixedly connected with one rotating rod 308;

the equal fixed mounting in bottom of two dwang 308 has the mounting disc, and the bottom of mounting disc is installed and is evenly distributed's the brush 304 that cleans, it has drive pulley 303 to fix the cover on the body of rod of dwang 308 that is close to driving motor 301 one side, it has first drive pulley 305 and second drive pulley 306 to fix the cover on the body of rod 308 body of dwang 308 that keeps away from driving motor 301 one side, first drive pulley 305 is located the below of second drive pulley 306, the bottom of removing automobile body 3 is rotated and is installed driven pulley 307, and first drive pulley 305 all is connected through drive belt with drive pulley 303 and second drive pulley 306 and driven pulley 307.

This embodiment is through setting up rather than the removal automobile body 3 that matches on track 2, and the front end setting that removes automobile body 3 cleans the grit and the dust that the brush carried out the adhesion to track 2 surface and cleans, the security of guaranteeing track 2 to use, it is at the removal in-process to remove automobile body 3, driving motor 301 drives the dwang 308 rotation rather than output shaft fixed connection, this dwang 308 drives driving pulley 303 again and rotates, driving pulley 303 drives first driving pulley 305 through driving belt and rotates simultaneously, first driving pulley 305 drives dwang 308 rotation rather than fixed again, both sides dwang 308 rotates simultaneously, thereby can drive the mounting disc and clean brush 304 and rotate, make and clean brush 304 and can clean track 2's surperficial grit and dust, the security of guaranteeing track 2 to use.

Example two

In the embodiment, on the basis of the first embodiment, a cleaning and dust removing mechanism 5 is added on the back surface of the moving vehicle body 3 to be matched with the internal structure of a water tank 6, the stubborn impurities adhered on the surface of the track 2 are cleaned, the cleaning effect of the track 2 is improved, referring to figures 1-3, a cleaning and dedusting mechanism 5 is arranged on the back of a water tank 6, the cleaning and dust removing mechanism 5 is positioned below the push rod 4, the cleaning and dust removing mechanism 5 comprises a lower press frame body 501, an inserting plate 502, an inserting hole 503, a lower press plate 504, a fixing plate 505, a return spring 506, a lower press rod 507, a cleaning and dust removing scraper 508, a water guide pipe 509 and a rubber branch pipe 510, the back of the water tank 6 is hinged with the U-shaped lower press frame body 501, and one side of the lower pressing frame body 501 parallel to the back of the water tank 6 is provided with an inserting plate 502 in a sliding and penetrating manner, the back of the water tank 6 is provided with two inserting holes 503 which are distributed vertically and have the same structure, and the inserting plate 502 is matched with the inserting holes 503.

The back fixed mounting of water tank 6 has two fixed plates 505 that are the symmetric distribution, and all slide on the plate body of two fixed plates 505 and run through and be provided with depression bar 507 down, the top fixedly connected with of two depression bar 507 is parallel arrangement's holding down plate 504 with the water tank 6 back, equal fixedly connected with reset spring 506 between the bottom of holding down plate 504 and the top of two fixed plates 505, and two reset spring 506 overlap respectively and locate on the body of rod of two depression bars 507 down, the bottom fixedly connected with of depression bar 507 washs dust removal scraper 508, it is the U type setting to wash dust removal scraper 508, depression bar 507 is the hollow cylinder form down, and the horizontal segment that washs dust removal scraper 508 is equipped with the hole that communicates with depression bar 507, wash the cotton pad that removes dust removal is installed to the inner wall that washs dust removal scraper 508.

Before the movable vehicle body 3 moves, the position of the cleaning and dust removing scraper 508 is adjusted to be attached to the surface of the track 2 to clean and remove dust from stubborn impurities, the inserting plate 502 is firstly pulled out to be drawn out from the inside of the inserting hole 503 above, then the lower pressing frame body 501 is rotated, the lower pressing frame body 501 can downwards extrude the lower pressing plate 504, the lower pressing plate 504 extrudes the return spring 506, meanwhile, the lower pressing plate 504 pushes the lower pressing rod 507, the lower pressing rod 507 pushes the cleaning and dust removing scraper 508 to be attached to the surface of the track 2, and then the inserting plate 502 is inserted into the inside of the inserting hole 503 below to be fixed.

Referring to fig. 1, 2 and 5-7, an L-shaped partition 601 is fixedly installed inside the water tank 6, the water tank 6 is divided into a water collecting tank 603 and a cleaning liquid tank 604 by the partition 601, and a filling port 602 communicated with the cleaning liquid tank 604 is formed in a side wall of the water tank 6.

Inner wall fixedly connected with of water tank 6 is first lower liquid board 605 and second lower liquid board 606, and first lower liquid board 605 is located and washs cistern 604 and baffle 601 horizontal segment under, and first lower liquid board 605 all is the L type structure setting that inflection point department is the obtuse angle with second lower liquid board 606, and the horizontal segment of first lower liquid board 605 and second lower liquid board 606 all with the vertical section fixed connection of baffle 601, and the bottom flushes.

The horizontal sections of the first lower liquid plate 605 and the second lower liquid plate 606 are both provided with a lower liquid port 6061 penetrating through the plate body of the first lower liquid plate 605 and the caliber of the lower liquid port 6061 at the second lower liquid plate 606 is larger than that of the lower liquid port 6061 at the first lower liquid plate 605.

The inner wall of the bottom end of the water tank 6 is fixedly provided with an inverted frustum-shaped stirring barrel 607, the top end of the stirring barrel 607 is open, the top end of the stirring barrel 607 is fitted with the bottom ends of the first lower liquid plate 605 and the second lower liquid plate 606 and is slidably provided with two symmetrically distributed baffles 608, a return spring is fixedly connected between the two baffles 608, the baffles 608 are in a semicircular disc shape, mounting grooves 6081 are arranged on the sides of the two baffles 608 close to each other, and the mounting plate 6082 is fixedly arranged inside the mounting groove 6081, the driven rod 609 is rotatably arranged inside the stirring barrel 607, the bottom end of the driven rod 609 penetrates through the stirring barrel 607 and the bottom end of the water tank 6 to be fixedly connected with the driven belt pulley 307, the circumferential side wall of the driven rod 609 is fixedly connected with uniformly distributed stirring rods 6091, and the top end of the driven rod 609 is fixedly connected with two push rods 6092 which are symmetrically distributed and flush with the mounting groove 6081, and the end part of the push rods 6092 is rotatably provided with a push disc 6093.

A pressurized water pump is installed inside the stirring barrel 607, a water outlet of the pressurized water pump is connected with a water guide pipe 509, the water guide pipe 509 penetrates through the back surface of the water tank 6, and a rubber branch pipe 510 is connected between the water guide pipe 509 and the lower pressing rod 507.

As described in the first embodiment, the first driving pulley 305 drives the side rotating rod 308 fixed thereto to rotate, the side rotating rod 308 drives the second driving pulley 306 to rotate, the second driving pulley 306 drives the driven pulley 307 to rotate through the driving belt, the driven pulley 307 drives the driven rod 609 to rotate, the driven rod 609 drives the pushing rod 6092 and the pushing disk 6093 to rotate, when the pushing disk 6093 contacts the mounting plate 6082 in the inner mounting groove 6081 of the baffle 608, the pushing disk 6093 pushes the mounting plate 6082, so that the mounting plate 6082 pushes the two baffles 608 to move in opposite directions, and pulls the return spring, at this time, the baffles 608 are separated from the lower liquid ports 6061 of the first lower liquid plate 605 and the second lower liquid plate 606, at this time, both water and cleaning liquid in the water collecting tank 603 and the cleaning liquid tank 604 enter the stirring barrel 607 through the lower liquid ports 6061, and are mixed and stirred by the stirring rod 6091, mixed liquid after mixing and stirring is pumped into aqueduct 509 through a water pump, then via rubber branch pipe 510 and lower pressing rod 507, wet the cotton pad of cleaning dust removal through the hole on cleaning dust removal scraper 508, then clear up the stubborn impurity of adhesion on the track 2, improve the effect of track 2 clearance, improve cleaning efficiency, guarantee track 2's safety in utilization, if the condition that cleaning liquid tank 604 had been emptied appears, then through filling port 602 to the inside filling washing liquid of cleaning liquid tank 604 can.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.