阅读说明：本技术 一种用于轨道交通冰雪清除监测装置 (Be used for track traffic ice and snow to clear away monitoring devices ) 是由 王许 于 2021-01-06 设计创作，主要内容包括：本发明公开了一种用于轨道交通冰雪清除监测装置,包括清洁壳体,所述清洁壳体滑动在轨道上,所述清洁壳体下端面内设有开口朝下并前后对称的开口槽,所述开口槽左端壁上固设有固定清理块,所述开口槽上方设有加热腔,所述加热腔上方设有发电机,所述发电机上端壁内设有开口朝上的开口腔,本发明能在大雪天对交通轨道进行及时的清理积雪,保证火车的正常通行,同时把清理的积雪进行蒸发处理,防止清理完的积雪再次掉落至轨道上,并且在清除过程中对轨道进行检测,保证其能安全性。(The invention discloses a device for clearing and monitoring snow and ice for rail transit, which comprises a cleaning shell, wherein the cleaning shell slides on a rail, an open slot with a downward opening and symmetrical front and back is arranged in the lower end surface of the cleaning shell, a fixed clearing block is fixedly arranged on the left end wall of the open slot, a heating cavity is arranged above the open slot, a generator is arranged above the heating cavity, and an open cavity with an upward opening is arranged in the upper end wall of the generator.)

1. The utility model provides a be used for track traffic ice and snow to clear away monitoring devices, includes clean casing, its characterized in that: the cleaning device comprises a cleaning shell, a heating cavity, a generator and a cleaning device, wherein the cleaning shell slides on a track, an open slot with a downward opening and symmetrical front and back is arranged in the lower end surface of the cleaning shell, a fixed cleaning block is fixedly arranged on the left end wall of the open slot, the heating cavity is arranged above the open slot, the generator is arranged above the heating cavity, and an open cavity with an upward opening is arranged in the upper end wall of the generator;

a sealing block is arranged in the opening cavity in a sliding mode, the upper end of the sealing block extends to the position above the upper end face of the cleaning shell, a connecting groove with an upward opening and left-right symmetry is formed in the upper end face of the cleaning shell, a connecting spring is fixedly arranged on the lower end wall of the connecting groove, a guide rod slidably arranged in the connecting groove is fixedly arranged at the upper end of the connecting spring, the upper end of the guide rod is fixedly connected with the lower end face of the upper portion of the sealing block, a connecting groove with a downward opening is formed in the lower end face of the sealing block, filter blocks which are left-right symmetry are fixedly arranged in the left end wall and the right end wall of the connecting groove, and;

an extension cavity with a downward opening is arranged at the left side of the open slot, the front end wall and the rear end wall of the extension cavity are fixedly provided with connecting cleaning blocks which are symmetrical front and back, the connecting cleaning block is abutted against the front end surface and the rear end surface of the track, the fixed cleaning block is abutted against the upper end surface of the track, the right side of the open slot is communicated with a rotating cavity, the right side of the rotating cavity is provided with a power cavity, a transmission cavity is arranged above the power cavity, a spline housing is rotatably arranged on the right end wall of the transmission cavity, a return spring is fixedly arranged on the left end wall of the transmission cavity, the right end of the reset spring is fixedly provided with a sliding block which is slidably arranged in the upper end wall of the transmission cavity, a spline shaft is rotatably arranged in the right end surface of the sliding block, the spline shaft is rotatably arranged in the right end wall of the transmission cavity through a spline housing and extends to the right side of the right end surface of the cleaning shell body, a crushing drill bit is fixedly arranged, and a limiting block rotatably arranged on the spline shaft is arranged between the crushing drill bit and the right end face of the cleaning shell.

2. The ice and snow removal monitoring device for rail transit according to claim 1, wherein: a roller cavity is arranged on the left side of the extension cavity, a rolling shaft is rotatably arranged between the roller cavities which are symmetrical in the front-back direction, a gear cavity is arranged between the roller cavities which are symmetrical in the front-back direction, the rolling shaft simultaneously penetrates through the gear cavity, a motor cavity is arranged above the gear cavity, a motor is fixedly arranged in the upper end wall of the motor cavity, the lower end of the motor is in power connection with a driving shaft which is rotatably arranged between the motor cavity and the gear cavity, a connecting helical gear fixedly arranged on the driving shaft is arranged in the gear cavity, a rotating helical gear is arranged on the lower side of the connecting helical gear in a meshed connection manner, the rotating bevel gear is fixedly arranged on the rolling shaft, the rolling wheel fixedly arranged on the rolling shaft is arranged in the roller cavity, the front side and the rear side of the rolling wheel are symmetrically provided with guide blocks which are rotationally connected with the rolling shaft, and the lower ends of the guide blocks are abutted against the front end face and the rear end face of the track.

3. The ice and snow removal monitoring device for rail transit according to claim 1, wherein: the motor intracavity is equipped with fixed mounting and is in the epaxial initiative helical gear of driving, initiative helical gear right side meshing connection is equipped with driven helical gear, driven helical gear fixed mounting is on the driven shaft, the driven shaft rotates to be installed the motor chamber with between the power cavity, the power intracavity is equipped with fixed mounting and is in the last drive pulley of driven shaft, the drive pulley top is equipped with and is located the driven pulley of transmission intracavity, driven pulley with the drive pulley passes through the belt and connects, driven pulley fixed mounting is on the connecting axle, the connecting axle left end rotates and installs in the wall of transmission chamber left end, the driven pulley right side is equipped with fixed mounting and is in the epaxial driven gear of connecting.

4. The ice and snow removal monitoring device for rail transit according to claim 1, wherein: the driving pulley right side is equipped with fixed mounting and is in power pulley on the driven shaft, the power pulley downside is equipped with the connection belt pulley, connect the belt pulley with power pulley passes through the belt and connects, connect belt pulley fixed mounting and link up epaxial, link up the axle and rotate the installation rotate the chamber with between the power chamber, it is equipped with fixed mounting and in to rotate the intracavity link up epaxial turning block, be equipped with fixed mounting in the transmission intracavity the epaxial removal gear of integral key, the front and back symmetry the removal gear passes through the belt and connects.

5. The ice and snow removal monitoring device for rail transit according to claim 1, wherein: rotate the upper end wall internal fixation of chamber right half portion and have fixed pipeline, fixed pipeline left end wall internal fixation has connecting tube, connecting tube extend extremely around the motor in the end wall on the heating chamber, the heating chamber has the heater in the end wall internal fixation down, the heating chamber has set pressure pipeline in the end wall, the pressure pipeline upper end with the generator intercommunication, extend the chamber and keep away from the upper end wall internal fixation on one side of the track central line has linked up the pipeline, linked up pipeline upper end fixed connection in the end wall around the heating chamber.

6. The ice and snow removal monitoring device for rail transit according to claim 1, wherein: the gyro wheel chamber left side is equipped with the scanning chamber, scanning chamber upper end wall internal fixation has the recorder, the recorder lower extreme has set firmly the scanner, the intercommunication is equipped with opening sliding tray up in the scanning chamber upper end wall, sliding tray opening part slidable mounting up is equipped with the closure sliding tray open-ended closure plate up, slidable mounting is equipped with the record card in the recorder upper end surface.

Technical Field

The invention relates to the technical field of rail transit, in particular to a device for removing and monitoring ice and snow in rail transit.

Background

The traffic track of train is very easily closed by ice and snow on the road in big snow day, manual cleaning and waste time to work load is big, nevertheless waits that its automatic melting time is longer, can lead to a lot of trip personnel's inconvenience, and the track is the damage of going on a journey more easily in big snow day, and the track of damage does not in time continue to restore and causes the traffic accident easily.

The application illustrates a monitoring devices is clear away to ice and snow for track traffic can solve above-mentioned problem.

Disclosure of Invention

Aiming at the technical defects, the invention provides a device for removing and monitoring ice and snow in rail transit, which can overcome the defects.

The invention discloses a device for removing and monitoring ice and snow in rail transit, which comprises a cleaning shell, wherein the cleaning shell slides on a rail, an open slot with a downward opening and symmetrical front and back is arranged in the lower end surface of the cleaning shell, a fixed cleaning block is fixedly arranged on the left end wall of the open slot, a heating cavity is arranged above the open slot, a generator is arranged above the heating cavity, and an open cavity with an upward opening is arranged in the upper end wall of the generator;

a sealing block is arranged in the opening cavity in a sliding mode, the upper end of the sealing block extends to the position above the upper end face of the cleaning shell, a connecting groove with an upward opening and left-right symmetry is formed in the upper end face of the cleaning shell, a connecting spring is fixedly arranged on the lower end wall of the connecting groove, a guide rod slidably arranged in the connecting groove is fixedly arranged at the upper end of the connecting spring, the upper end of the guide rod is fixedly connected with the lower end face of the upper portion of the sealing block, a connecting groove with a downward opening is formed in the lower end face of the sealing block, filter blocks which are left-right symmetry are fixedly arranged in the left end wall and the right end wall of the connecting groove, and;

an extension cavity with a downward opening is arranged at the left side of the open slot, the front end wall and the rear end wall of the extension cavity are fixedly provided with connecting cleaning blocks which are symmetrical front and back, the connecting cleaning block is abutted against the front end surface and the rear end surface of the track, the fixed cleaning block is abutted against the upper end surface of the track, the right side of the open slot is communicated with a rotating cavity, the right side of the rotating cavity is provided with a power cavity, a transmission cavity is arranged above the power cavity, a spline housing is rotatably arranged on the right end wall of the transmission cavity, a return spring is fixedly arranged on the left end wall of the transmission cavity, the right end of the reset spring is fixedly provided with a sliding block which is slidably arranged in the upper end wall of the transmission cavity, a spline shaft is rotatably arranged in the right end surface of the sliding block, the spline shaft is rotatably arranged in the right end wall of the transmission cavity through a spline housing and extends to the right side of the right end surface of the cleaning shell body, a crushing drill bit is fixedly arranged, and a limiting block rotatably arranged on the spline shaft is arranged between the crushing drill bit and the right end face of the cleaning shell.

Preferably, a roller cavity is arranged at the left side of the extension cavity, a rolling shaft is rotatably arranged between the roller cavities which are symmetrical in the front-back direction, a gear cavity is arranged between the roller cavities which are symmetrical in the front-back direction, the rolling shaft simultaneously penetrates through the gear cavity, a motor cavity is arranged above the gear cavity, a motor is fixedly arranged in the upper end wall of the motor cavity, the lower end of the motor is in power connection with a driving shaft which is rotatably arranged between the motor cavity and the gear cavity, a connecting helical gear fixedly arranged on the driving shaft is arranged in the gear cavity, a rotating helical gear is arranged on the lower side of the connecting helical gear in a meshed connection manner, the rotating bevel gear is fixedly arranged on the rolling shaft, the rolling wheel fixedly arranged on the rolling shaft is arranged in the roller cavity, the front side and the rear side of the rolling wheel are symmetrically provided with guide blocks which are rotationally connected with the rolling shaft, and the lower ends of the guide blocks are abutted against the front end face and the rear end face of the track.

Preferably, the motor intracavity is equipped with fixed mounting and is in the epaxial initiative helical gear of driving, the meshing connection in initiative helical gear right side is equipped with driven helical gear, driven helical gear fixed mounting is on the driven shaft, the driven shaft rotates to be installed the motor chamber with between the power chamber, the power intracavity is equipped with fixed mounting and is in the epaxial drive pulley of driven, the drive pulley top is equipped with and is located the driven pulley of transmission intracavity, driven pulley with the drive pulley passes through the belt and connects, driven pulley fixed mounting is on the connecting axle, the connecting axle left end rotates to be installed in the wall of transmission chamber left end, the driven pulley right side is equipped with fixed mounting and is in the epaxial driven gear of connecting.

Preferably, the driving pulley right side is equipped with fixed mounting and is in power pulley on the driven shaft, the power pulley downside is equipped with the connection belt pulley, connect the belt pulley with power pulley passes through the belt and connects, connect belt pulley fixed mounting and link up epaxially, link up the axle and rotate the installation rotate the chamber with between the power chamber, it is equipped with fixed mounting and is in to rotate the intracavity link up epaxial turning block, be equipped with fixed mounting in the transmission intracavity the epaxial removal gear of integral key, the front and back symmetry the removal gear passes through the belt and connects.

Preferably, the fixed pipeline is fixedly arranged in the upper end wall of the right rotating cavity half, the connecting pipeline is fixedly arranged in the left end wall of the fixed pipeline, the connecting pipeline extends to the upper end wall of the heating cavity through a motor, the heater is fixedly arranged in the lower end wall of the heating cavity, the pressure pipeline is fixedly arranged in the upper end wall of the heating cavity, the upper end of the pressure pipeline is communicated with the generator, the extending cavity is far away from the connecting pipeline is fixedly arranged in the upper end wall of one side of the track center line, and the upper end of the connecting pipeline is fixedly connected to the front end wall and the rear end wall of the heating cavity.

Preferably, the roller chamber left side is equipped with the scanning chamber, scanning chamber upper end wall internal fixation has the recorder, the recorder lower extreme has the scanner set firmly, the intercommunication is equipped with opening sliding tray up in the scanning chamber upper end wall, sliding tray opening part slidable mounting up is equipped with the closure sliding tray open-ended closure plate up, slidable mounting is equipped with the record card in the recorder upper end surface.

The beneficial effects are that: the snow cleaning device can timely clean the accumulated snow on the traffic track in snowy days, ensure the normal passing of a train, simultaneously evaporate the cleaned accumulated snow, prevent the cleaned accumulated snow from falling onto the track again, detect the track in the cleaning process and ensure the safety of the track.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of A-A of FIG. 1 according to an embodiment of the present invention;

FIG. 3 is a schematic view of B-B in FIG. 1 according to an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is an enlarged schematic view of the structure at D in FIG. 1 according to an embodiment of the present invention;

fig. 6 is an enlarged schematic view of the structure at E in fig. 1 according to the embodiment of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The invention discloses a device for removing and monitoring ice and snow in rail transit, which comprises a cleaning shell 11, wherein the cleaning shell 11 slides on a rail 10, the lower end surface of the cleaning shell 11 is internally provided with an open slot 38 with a downward opening and symmetrical front and back, the left end wall of the open slot 38 is fixedly provided with a fixed cleaning block 39, a heating cavity 23 is arranged above the open slot 38, a generator 71 is arranged above the heating cavity 23, the upper end wall of the generator 71 is internally provided with an open cavity 63 with an upward opening, a sealing block 58 is arranged in the open cavity 63 in a sliding way, the upper end of the sealing block 58 is extended to be above the upper end surface of the cleaning shell 11, the upper end surface of the cleaning shell 11 is internally provided with connecting grooves 61 with upward openings and symmetrical left and right, the lower end wall of the connecting grooves 61 is fixedly provided with a connecting spring 60, the upper end of the connecting spring 60 is fixedly provided, the upper end of the guide rod 59 is fixedly connected with the lower end face of the upper part of the closed block 58, a connecting groove 64 with a downward opening is arranged in the lower end face of the closed block 58, filter blocks 62 which are bilaterally symmetrical are fixedly arranged in the left end wall and the right end wall of the connecting groove 64, the right end face of the cleaning shell 11 is an inclined plane, an extending cavity 41 with a downward opening is arranged on the left side of the open groove 38, connection cleaning blocks 40 which are bilaterally symmetrical are fixedly arranged on the front end wall and the rear end wall of the extending cavity 41, the connection cleaning blocks 40 are abutted against the front end face and the rear end face of the track 10, the fixed cleaning block 39 is abutted against the upper end face of the track 10, a rotating cavity 37 is communicated and arranged on the right side of the open groove 38, a power cavity 57 is arranged on the right side of the rotating cavity 37, a transmission cavity 31 is arranged above the power cavity 57, a spline sleeve, reset spring 29 right-hand member has set firmly slidable mounting and has in the interior sliding block 30 of transmission chamber 31 upper end wall, sliding block 30 right-hand member face internal rotation installation is equipped with integral key shaft 32, integral key shaft 32 rotates through spline housing 80 to be installed in the transmission chamber 31 right-hand member wall and extend to clean 11 right-hand member face right sides of casing have set firmly broken drill bit 28, broken drill bit 28 with be equipped with between the clean 11 right-hand member face of casing and rotate and install stopper 27 on the integral key shaft 32.

Beneficially, a roller cavity 12 is arranged at the left side of the extension cavity 41, a rolling shaft 14 is rotatably installed between the roller cavities 12 which are symmetrical in the front-back direction, a gear cavity 49 is arranged between the roller cavities 12 which are symmetrical in the front-back direction, the rolling shaft 14 simultaneously penetrates through the gear cavity 49, a motor cavity 15 is arranged above the gear cavity 49, a motor 20 is fixedly arranged in the upper end wall of the motor cavity 15, a driving shaft 19 is arranged at the lower end of the motor 20 in a power connection manner, the driving shaft 19 is rotatably installed between the motor cavity 15 and the gear cavity 49, a linking helical gear 47 fixedly installed on the driving shaft 19 is arranged in the gear cavity 49, a rotating helical gear 46 is arranged at the lower side of the linking helical gear 47 in a meshing connection manner, the rotating helical gear 46 is fixedly installed on the rolling shaft 14, a rolling wheel 13 fixedly installed on the rolling shaft 14 is arranged in the roller cavity 12, and guide blocks 44 rotatably connected with the rolling shaft 14 are, the lower end of the guide block 44 abuts against the front and rear end faces of the rail 10.

Advantageously, a driving bevel gear 16 fixedly arranged on the driving shaft 19 is arranged in the motor cavity 15, the right side of the driving bevel gear 16 is engaged and connected with a driven bevel gear 17, the driven bevel gear 17 is fixedly arranged on a driven shaft 18, the driven shaft 18 is rotatably installed between the motor cavity 15 and the power cavity 57, a driving belt pulley 54 fixedly installed on the driven shaft 18 is arranged in the power cavity 57, a driven pulley 51 positioned in the transmission cavity 31 is arranged above the driving pulley 54, the driven pulley 51 is connected with the driving pulley 54 through a belt, the driven pulley 51 is fixedly arranged on the connecting shaft 50, the left end of the connecting shaft 50 is rotatably arranged in the left end wall of the transmission cavity 31, and the right side of the driven pulley 51 is provided with a driven gear 52 fixedly arranged on the connecting shaft 50.

Advantageously, a power pulley 56 fixedly mounted on the driven shaft 18 is arranged on the right side of the driving pulley 54, a connecting pulley 34 is arranged on the lower side of the power pulley 56, the connecting pulley 34 is connected with the power pulley 56 through a belt, the connecting pulley 34 is fixedly mounted on a connecting shaft 35, the connecting shaft 35 is rotatably mounted between the rotating cavity 37 and the power cavity 57, a rotating block 36 fixedly mounted on the connecting shaft 35 is arranged in the rotating cavity 37, a moving gear 53 fixedly mounted on the spline shaft 32 is arranged in the transmission cavity 31, and the moving gears 53 which are symmetrical front and back are connected through a belt.

Advantageously, a fixed pipeline 26 is fixedly arranged in the upper end wall of the right half part of the rotating cavity 37, a connecting pipeline 21 is fixedly arranged in the left end wall of the fixed pipeline 26, the connecting pipeline 21 extends into the upper end wall of the heating cavity 23 through a motor 20, a heater 22 is fixedly arranged in the lower end wall of the heating cavity 23, a pressure pipeline 25 is fixedly arranged in the upper end wall of the heating cavity 23, the upper end of the pressure pipeline 25 is communicated with the generator 71, a connecting pipeline 42 is fixedly arranged in the upper end wall of the extending cavity 41 on the side far away from the central line of the track 10, and the upper end of the connecting pipeline 42 is fixedly connected in the front end wall and the rear end wall of the.

Beneficially, a scanning cavity 66 is arranged at the left side of the roller cavity 12, a recorder 67 is fixedly arranged in the upper end wall of the scanning cavity 66, a scanner 65 is fixedly arranged at the lower end of the recorder 67, a sliding groove 69 with an upward opening is communicated in the upper end wall of the scanning cavity 66, a closing plate 70 for closing the upward opening of the sliding groove 69 is slidably arranged at the upward opening of the sliding groove 69, and a recording card 68 is slidably arranged in the upper end surface of the recorder 67.

When the work is started:

1. starting the motor 20, the motor 20 drives the driving shaft 19 to rotate, the driving shaft 19 rotates to drive the driving bevel gear 16 and the engaging bevel gear 47 to rotate, the engaging bevel gear 47 rotates to drive the rotating bevel gear 46 to rotate, the rotating bevel gear 46 rotates to drive the rolling shaft 14 to rotate, the rolling shaft 14 rotates to drive the rolling wheel 13 to rotate, and the rolling wheel 13 rotates to enable the cleaning shell 11 to move on the track 10.

2. Therefore, ice and snow on the track 10 are scraped by the fixed cleaning block 39 and the connecting cleaning block 40, the ice and snow in the opening groove 38 enter the rotating cavity 37 under the action of extrusion force, meanwhile, the driving bevel gear 16 rotates to drive the driven bevel gear 17 to rotate, the driven bevel gear 17 rotates to drive the driven shaft 18 to rotate, the driven shaft 18 rotates to drive the driving belt pulley 54 and the power belt pulley 56 to rotate, the driving belt pulley 54 rotates to drive the driven belt pulley 51 to rotate, the driven belt pulley 51 rotates to drive the connecting shaft 50 to rotate, and the connecting shaft 50 rotates to drive the driven gear 52 to rotate.

3. Meanwhile, the power pulley 56 rotates to drive the connecting pulley 34 to rotate, the connecting shaft 35 rotates to drive the connecting shaft 35 to rotate, the rotating block 36 rotates to drive the ice and snow in the rotating cavity 37 to enter the fixed pipeline 26, then the ice and snow enter the connecting pipeline 21 under extrusion force, then the ice and snow in the connecting pipeline 21 are melted at the temperature of the motor 20, then the water flow of the melted water flows into the heating cavity 23, the heater 22 heats the heating cavity 23 to evaporate the water in the heating cavity 23 to form water vapor, the water vapor reaches a certain pressure and then enters the generator 71 through the pressure pipeline 25, then the generator 71 generates power to provide certain power for the motor 20, the steam generated after the generator 71 generates power enters the open cavity 63 to push the closing block 58 to move upwards, the closing block 58 moves upwards to drive the guide rod 59 to move upwards and stretch the connecting spring 60, after the filter block 62 is moved over the upper end surface of the cleaning housing 11, the water vapor is discharged from the filter block 62 out of the apparatus through the engaging groove 64.

4. Meanwhile, the scanner 65 scans the outer end face of the track 10, records data into the recorder 67, stores the data in the recorder 67 into the recording card 68, and after monitoring is completed, an operator opens the sliding groove 69 to take out the recording card 68, analyzes the condition of the track 10, and finds out the damaged position and the loose screw in the track 10 in time, so as to repair the damaged position and the loose screw, and save a large amount of time for the operator to check the track 10.

5. When the cleaning shell 11 moves rightwards and meets ice cubes or resistance, the obstacle drives the crushing bit 28 to move leftwards, the crushing bit 28 moves leftwards so as to drive the spline shaft 32 to move leftwards, the spline shaft 32 moves leftwards so as to drive the stopper 27, the moving gear 53 and the sliding block 30 to move leftwards, the sliding block 30 moves leftwards so as to compress the return spring 29, when the stopper 27 moves leftwards and abuts against the right end face of the cleaning shell 11, the moving gear 53 is just meshed with the driven gear 52, then the driven gear 52 rotates to drive the moving gear 53 to rotate, the moving gear 53 rotates to drive the spline shaft 32 to rotate, the spline shaft 32 rotates to drive the crushing bit 28 to rotate, the crushing bit 28 rotates to crush the obstacle, and when the obstacle is crushed, the spline shaft 32 returns to the initial position under the resilience force of the, the driven gear 52 is engaged with and disengaged from the moving gear 53.

The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.