阅读说明：本技术 一种基于智慧城市建设的铁轨锈迹清理设备 (Rail rust cleaning equipment based on wisdom city construction ) 是由 胡夏妹 于 2020-11-30 设计创作，主要内容包括：本发明公开了一种基于智慧城市建设的铁轨锈迹清理设备,具体涉及轨道领域,包括铁轨和机架,所述铁轨的中部一体形成有内槽,所述机架的中部固定安装有控制箱,所述机架底面的左右两侧均固定安装有固定块,所述固定块的内部传动安装有传动轮,所述传动轮的外部固定套装有顶部清理轮,所述顶部清理轮的底面与铁轨的顶面相互接触,所述机架的正面固定安装有第一驱动轮。本发明通过控制器同时启动气泵、第一驱动轮和第二驱动轮,使得第一驱动轮带动传动轮,第二驱动轮带动底部清理轮连动,使得底部清理轮配合第一连动皮带带动磨砂轮转动,利用磨砂轮清理内槽的侧面,从而实现了高效快速除去铁轨和内槽表面的废屑。(The invention discloses a rail rust cleaning device based on smart city construction, and particularly relates to the field of rails. The air pump, the first driving wheel and the second driving wheel are simultaneously started by the controller, so that the first driving wheel drives the driving wheel, the second driving wheel drives the bottom cleaning wheel to be linked, the bottom cleaning wheel is matched with the first linkage belt to drive the grinding wheel to rotate, and the grinding wheel is used for cleaning the side surface of the inner groove, so that the waste chips on the surfaces of the rails and the inner groove are efficiently and quickly removed.)

1. The utility model provides a rail rust cleaning equipment based on wisdom city construction, includes rail (1) and frame (3), the middle part of rail (1) an organic whole is formed with inside groove (2), its characterized in that: the middle part of the rack (3) is fixedly provided with a control box, the left side and the right side of the bottom surface of the rack (3) are fixedly provided with fixed blocks (4), the transmission wheel (5) is installed in the internal transmission of the fixed blocks (4), the external fixed sleeve of the transmission wheel (5) is provided with a top cleaning wheel (6), the bottom surface of the top cleaning wheel (6) is contacted with the top surface of the rail (1), the front of the rack (3) is fixedly provided with a first driving wheel (7), the outer wall of the first driving wheel (7) is contacted with the edge of one transmission wheel (5), one bottom of the fixed block (4) is detachably provided with a bottom rod (8), the bottom of the bottom rod (8) is detachably provided with a fixed plate (10), the bottom of the fixed plate (10) is fixedly provided with a thin rod (11), the bottom of the thin rod (11) is movably sleeved with a stable loop rod (, the back of the stable loop bar (12) is provided with a linkage wheel (13) in a rolling way, the top surface of the linkage wheel (13) is in contact with the bottom surface of the rail (1), the front of the stable loop bar (12) is connected with the linkage bar (14) in a transmission way, the other end of the linkage bar (14) is provided with a balance wheel (15) in a transmission way, the edge of the balance wheel (15) is mutually attached to the upper surface and the lower surface of the inner groove (2), the other bottom of the fixed block (4) is fixedly provided with an adjusting component (36), the bottom cleaning wheel (23) is arranged at the bottom end of the adjusting component (36) in a transmission way, the top surface of the bottom cleaning wheel (23) is mutually attached to the bottom surface of the rail (1), the outer surface of the bottom cleaning wheel (23) is provided with a second driving wheel (24) in a meshing way, and the middle shaft of the bottom cleaning wheel (23) is provided with, the edges of the grinding wheels (27) are mutually attached to the inner wall of the inner groove (2), and the two grinding wheels (27) are in transmission connection through a second linkage belt (28);

the adjusting assembly (36) comprises a connecting plate (16), an adjusting loop bar (17) is detachably mounted at the bottom of the connecting plate (16), an expansion link (19) is movably sleeved at the bottom of the adjusting loop bar (17), a bottom rod (20) is fixedly mounted at the bottom of the expansion link (19), a fixing bolt (22) is sleeved at the bottom of the front surface of the adjusting loop bar (17) in a threaded manner, the end of the fixing bolt (22) is mutually matched with the front surface of the expansion link (19), and a header assembly (29) is fixedly mounted at the bottom of the rack (3);

collection case subassembly (29) includes collecting box (30), one side fixed mounting of collecting box (30) inner chamber has air pump (32), one side fixed mounting of collecting box (30) have with air pump (32) air outlet looks adaptation air discharge fan (31), the air inlet fixed mounting of air pump (32) has dust collection box (33) that is located collecting box (30) inside, the opposite side demountable installation of collecting box (30) has pipe (35), outside fixed mounting that the other side of pipe (35) extended to collecting box (30) has sucking disc (34), the opposite side of pipe (35) and the opposite side of dust collection box (33) communicate each other.

2. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the inner thread of the fixing plate (10) is sleeved with a first cross rod (9), and the left end and the right end of the first cross rod (9) penetrate through the left side and the right side of the bottom rod (8) respectively.

3. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the outside activity cover of pin (11) is equipped with stabilizing spring, and the upper and lower both ends of stabilizing the suit respectively with the top surface of stabilizing loop bar (12) and the bottom surface fixed connection of bottom bar (8).

4. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the end part of the adjusting loop bar (17) is sleeved with a second cross bar (18) in a threaded manner, and the left end and the right end of the second cross bar (18) respectively penetrate through the left side and the right side of the bottom of the connecting plate (16).

5. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the outside activity cover of telescopic link (19) is equipped with connecting spring (21), the both ends of connecting spring (21) respectively with the bottom surface of adjustment loop bar (17) and the top surface fixed connection of sill bar (20).

6. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the front surface of the dust collection box (33) extends to the outside of the dust collection box (33) and is fixedly provided with a handle.

7. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: and a magnet is fixedly arranged on the inner wall of the guide pipe (35).

8. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the side of the suction cup (34) is located to the left of the second drive wheel (24).

9. The apparatus for cleaning railway track rust constructed based on smart city as claimed in claim 1, wherein: the output end and the input end of the air pump (32) are electrically connected with a controller (39), and the output end of the controller (39) is electrically connected with the input ends of the first driving wheel (7) and the second driving wheel (24) respectively.

Technical Field

The invention relates to the technical field of tracks, in particular to rail rust cleaning equipment based on smart city construction.

Background

The smart city is an important component of the digital earth and is a digital form of the traditional city. The smart city is a city virtual space formed by combining city geographic information with other city information by applying technologies such as computers, internet, 3S, multimedia and the like, digitalizing and storing the information on a computer network. The intelligent city construction provides a foundation for realizing data sharing and interoperation from two aspects of technology and system through standardization of spatial data infrastructure and digital integration of various city information, and realizes integration of city 3S technology and deep application of informatization of various industries and fields

High-speed railway construction is the indispensable part of wisdom city construction, and wherein high-speed railway track in use can experience the erosion of wind blowing and sunshine and rainwater, can cause the corrosion of different degree, and the rail surface can appear rust, and especially the serious long-time unclean of rail both sides face corrosion can accelerate the ageing of rail, reduction life.

However, in actual use, the existing rail rust removal method still has some defects, the existing rail rust removal mainly depends on manual grinding and uses a grinding machine to remove rust, the method is low in efficiency, the spine of a worker can be damaged after long-time work, meanwhile, the grinding machine is high in noise, the rust can scatter around along with wind in the grinding process and can be easily sucked into a respiratory tract to cause serious damage to the body of the worker, the rust is finally accumulated on the surface of a rail in the treatment process, and the local points of the rail are corroded due to the accumulation of the rust for a long time.

Therefore, it is highly desirable to provide a rail rust cleaning device based on smart city construction.

Disclosure of Invention

In order to overcome the above defects in the prior art, embodiments of the present invention provide a rail rust cleaning apparatus based on smart city construction, in which a controller simultaneously starts an air pump, a first driving wheel and a second driving wheel, so that the first driving wheel drives the driving wheel, so that the driving wheel drives a top cleaning wheel, one top cleaning wheel drives another top cleaning wheel to remove rust on the top surface of a rail, and the second driving wheel drives a bottom cleaning wheel to interlock, so that the bottom cleaning wheel cooperates with a first interlocking belt to drive a grinding wheel to rotate, and the grinding wheel is used to clean the side surface of an inner groove, thereby efficiently and rapidly removing scraps on the surfaces of the rail and the inner groove, and solving the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a rail rust cleaning device based on smart city construction comprises a rail and a rack, wherein an inner groove is integrally formed in the middle of the rail, a control box is fixedly mounted in the middle of the rack, fixed blocks are fixedly mounted on the left side and the right side of the bottom surface of the rack, a transmission wheel is mounted in the fixed blocks in a transmission manner, a top cleaning wheel is fixedly sleeved on the outer portion of the transmission wheel, the bottom surface of the top cleaning wheel is in contact with the top surface of the rail, a first driving wheel is fixedly mounted on the front surface of the rack, the outer wall of the first driving wheel is in contact with the edge of one transmission wheel, a bottom rod is detachably mounted at the bottom of one fixed block, a fixed plate is detachably mounted at the bottom of the bottom rod, a thin rod is fixedly mounted at the bottom of the fixed plate, a stabilizing sleeve rod is movably sleeved at the bottom of the thin rod, the top surface of the linkage wheel is in contact with the bottom surface of a rail, the front surface of the stable sleeve rod is in transmission connection with the linkage rod, the other end of the linkage rod is provided with a balance wheel in transmission, the edge of the balance wheel is mutually attached to the upper surface and the lower surface of the inner groove, the bottom of the other fixed block is fixedly provided with an adjusting assembly, the bottom end of the adjusting assembly is provided with a bottom cleaning wheel in transmission, the top surface of the bottom cleaning wheel is mutually attached to the bottom surface of the rail, the outer surface of the bottom cleaning wheel is provided with a second driving wheel in a meshed mode, the middle shaft of the bottom cleaning wheel is provided with two grinding wheels through two first linkage belts in transmission mode, the edges of the grinding wheels are mutually attached to the inner wall of the inner groove, and the two grinding wheels;

the adjusting assembly comprises a connecting plate, an adjusting loop bar is detachably mounted at the bottom of the connecting plate, a telescopic rod is movably sleeved at the bottom of the adjusting loop bar, a bottom bar is fixedly mounted at the bottom of the telescopic rod, a fixing bolt is sleeved at the bottom of the front face of the adjusting loop bar in a threaded manner, the end part of the fixing bolt is mutually matched with the front face of the telescopic rod, and a header assembly is fixedly mounted at the bottom of the rack;

the collecting box assembly comprises a collecting box, an air pump is fixedly mounted on one side of an inner cavity of the collecting box, an exhaust fan matched with an air outlet of the air pump is fixedly mounted on one side of the collecting box, a dust collecting box located inside the collecting box is fixedly mounted at an air inlet of the air pump, a guide pipe is detachably mounted on the other side of the collecting box, a sucker is fixedly mounted on the outer portion of the guide pipe extending to the collecting box, and the other side of the guide pipe is communicated with the other side of the dust collecting box.

In a preferred embodiment, the inner thread of the fixing plate is sleeved with a first cross rod, and the left end and the right end of the first cross rod respectively penetrate through the left side and the right side of the bottom rod.

In a preferred embodiment, the outside of the thin rod is movably sleeved with a stabilizing spring, and the upper end and the lower end of the stabilizing sleeve are fixedly connected with the top surface of the stabilizing sleeve rod and the bottom surface of the bottom rod respectively.

In a preferred embodiment, the end part of the adjusting sleeve rod is sleeved with a second cross rod in a threaded manner, and the left end and the right end of the second cross rod respectively penetrate through the left side and the right side of the bottom of the connecting plate.

In a preferred embodiment, the outer part of the telescopic rod is movably sleeved with a connecting spring, and two ends of the connecting spring are fixedly connected with the bottom surface of the adjusting sleeve rod and the top surface of the bottom rod respectively.

In a preferred embodiment, the front face of the dust bin extends to the outside of the dust bin and is fixedly provided with a handle.

In a preferred embodiment, a magnet is fixedly mounted on the inner wall of the conduit.

In a preferred embodiment, the side of the suction cup is located to the left of the second drive wheel.

In a preferred embodiment, the output end and the input end of the air pump are electrically connected with a controller, and the output end of the controller is electrically connected with the input ends of the first driving wheel and the second driving wheel respectively.

The invention has the technical effects and advantages that:

1. the controller simultaneously starts the air pump, the first driving wheel and the second driving wheel, so that the first driving wheel drives the driving wheel, the driving wheel drives the top cleaning wheels, one top cleaning wheel drives the other top cleaning wheel to remove rust on the top surface of the rail, the second driving wheel drives the bottom cleaning wheel to be linked, the bottom cleaning wheel is matched with the first linkage belt to drive the grinding wheel to rotate, the grinding wheel is used for cleaning the side surface of the inner groove, and accordingly, the waste scraps on the surfaces of the rail and the inner groove are efficiently and quickly removed;

2. according to the dust collection box, the magnets in the guide pipe adsorb the waste chips in the inner groove, the waste chips of the magnets enter the guide pipe, the waste chips are driven by the airflow generated by the air pump to move to the inside of the dust collection box, and when the cleaning is finished, the dust collection box is taken out to clean the waste chips in the dust collection box, so that the dust is removed, the waste chips are quickly collected, rust is prevented from being finally accumulated on the surface of a track in the treatment process, and the problem that the corrosion is aggravated due to the accumulation of the rust at local points of the track due to the accumulation of the rust for a long time is solved;

3. according to the invention, the fixing bolt is loosened, then the elastic force of the connecting spring is utilized, and then the adjusting sleeve rod is folded, so that the included angle between the adjusting sleeve rod and the connecting plate is changed from one hundred eighty degrees to ninety degrees, and then the device is taken down and taken down from a rail, so that the device is greatly convenient to mount and dismount, and the practicability of the device is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic view of the structure of the collecting box of the invention.

Fig. 3 is a schematic structural diagram of fig. 1 at a according to the present invention.

Fig. 4 is a schematic structural diagram of the header assembly of the present invention.

Fig. 5 is a block diagram of the system of the present invention.

Fig. 6 is a schematic structural diagram of embodiment 2 of the present invention.

Fig. 7 is a schematic structural diagram of fig. 6 at B according to the present invention.

The reference signs are: 1. a rail; 2. an inner tank; 3. a frame; 4. a fixed block; 5. a driving wheel; 6. a top cleaning wheel; 7. a first drive wheel; 8. a bottom bar; 9. a first cross bar; 10. a fixing plate; 11. a thin rod; 12. stabilizing the loop bar; 13. a linkage wheel; 14. a linkage rod; 15. a balance wheel; 16. a connecting plate; 17. adjusting the loop bar; 18. a second cross bar; 19. a telescopic rod; 20. a bottom bar; 21. a connecting spring; 22. fixing the bolt; 23. a bottom cleaning wheel; 24. a second drive wheel; 25. a first linkage belt; 26. a linkage roller; 27. grinding a grinding wheel; 28. a second interlocking belt; 29. a header assembly; 30. a collection box; 31. an exhaust fan; 32. an air pump; 33. a dust collection box; 34. a suction cup; 35. a conduit; 36. an adjustment assembly; 37. an electromagnet; 38. a magnet; 39. and a controller.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in the attached figures 1-5, the rail rust cleaning device based on smart city construction comprises a rail 1 and a frame 3, wherein an inner groove 2 is integrally formed in the middle of the rail 1, a control box is fixedly mounted in the middle of the frame 3, fixed blocks 4 are fixedly mounted on the left side and the right side of the bottom surface of the frame 3, a transmission wheel 5 is mounted in the fixed blocks 4 in a transmission manner, a top cleaning wheel 6 is fixedly mounted on the outer portion of the transmission wheel 5 in a sleeved manner, the bottom surface of the top cleaning wheel 6 is in contact with the top surface of the rail 1, a first driving wheel 7 is fixedly mounted on the front surface of the frame 3, the outer wall of the first driving wheel 7 is in contact with the edge of one of the transmission wheels 5, a bottom rod 8 is detachably mounted at the bottom of one of the fixed blocks 4, a fixed plate 10 is detachably mounted at the bottom of the bottom rod 8, the bottom of the thin rod 11 is movably sleeved with a stable sleeve rod 12, the back of the stable sleeve rod 12 is provided with a linkage wheel 13 in a rolling way, the top surface of the linkage wheel 13 is contacted with the bottom surface of the rail 1, the front of the stable sleeve rod 12 is connected with the linkage rod 14 in a transmission way, the other end of the linkage rod 14 is provided with a balance wheel 15 in a transmission way, the edge of the balance wheel 15 is mutually jointed with the upper surface and the lower surface of the inner groove 2, the bottom of the other fixed block 4 is fixedly provided with an adjusting component 36, the bottom end of the adjusting component 36 is provided with a bottom cleaning wheel 23 in a transmission way, the top surface of the bottom cleaning wheel 23 is mutually jointed with the bottom surface of the rail 1, the outer surface of the bottom cleaning wheel 23 is provided with a second driving wheel 24 in a meshing way, the middle shaft of the bottom cleaning wheel 23 is provided with two grinding wheels 27 in a transmission way through two, the two grinding wheels 27 are in transmission connection through a second linkage belt 28;

the adjusting component 36 comprises a connecting plate 16, an adjusting loop bar 17 is detachably mounted at the bottom of the connecting plate 16, an expansion link 19 is movably sleeved at the bottom of the adjusting loop bar 17, a bottom bar 20 is fixedly mounted at the bottom of the expansion link 19, a fixing bolt 22 is sleeved at the bottom of the front face of the adjusting loop bar 17 in a threaded manner, the end of the fixing bolt 22 is mutually matched with the front face of the expansion link 19, and a header component 29 is fixedly mounted at the bottom of the rack 3;

the collecting box assembly 29 comprises a collecting box 30, an air pump 32 is fixedly mounted on one side of an inner cavity of the collecting box 30, an exhaust fan 31 matched with an air outlet of the air pump 32 is fixedly mounted on one side of the collecting box 30, a dust collecting box 33 located inside the collecting box 30 is fixedly mounted at an air inlet of the air pump 32, a guide pipe 35 is detachably mounted on the other side of the collecting box 30, a suction cup 34 is fixedly mounted on the other side of the guide pipe 35 extending to the outside of the collecting box 30, and the other side of the guide pipe 35 is communicated with the other side of the dust collecting box 33.

The inner thread of the fixing plate 10 is sleeved with a first cross rod 9, the left end and the right end of the first cross rod 9 respectively penetrate through the left side and the right side of the bottom rod 8, the outer part of the thin rod 11 is movably sleeved with a stabilizing spring, the upper end and the lower end of the stabilizing sleeve are respectively fixedly connected with the top surface of the stabilizing sleeve rod 12 and the bottom surface of the bottom rod 8, the end part of the adjusting sleeve rod 17 is sleeved with a second cross rod 18 through threads, the left end and the right end of the second cross rod 18 respectively penetrate through the left side and the right side of the bottom of the connecting plate 16, the outer part of the telescopic rod 19 is movably sleeved with a connecting spring 21, the two ends of the connecting spring 21 are respectively fixedly connected with the bottom surface of the adjusting sleeve rod 17 and the top surface of the bottom rod 20, the front of the dust collection box 33 extends to the outer part of the dust collection box 33 and is fixedly, the output end and the input end of the air pump 32 are electrically connected with a controller 39, and the output end of the controller 39 is electrically connected with the input ends of the first driving wheel 7 and the second driving wheel 24 respectively.

The specific implementation mode is as follows: the air pump 32, the first driving wheel 7 and the second driving wheel 24 are simultaneously started by the controller 39, so that the first driving wheel 7 drives the driving wheel 5, the driving wheel 5 drives the top cleaning wheel 6, one top cleaning wheel 6 drives the other top cleaning wheel 6 to remove rust on the top surface of the rail 1, the second driving wheel 24 drives the bottom cleaning wheel 23 to be linked, the bottom cleaning wheel 23 is matched with the first linkage belt 25 to drive the grinding wheel 27 to rotate, the grinding wheel 27 is used for cleaning the side surface of the inner groove 2, thereby efficiently and quickly removing scraps on the surfaces of the rail 1 and the inner groove 2, the scraps in the inner groove 2 are adsorbed by the magnet in the guide pipe 35, the magnet scraps enter the guide pipe 35 and are driven by the air flow generated by the air pump 32 to move to the inside of the dust collection box 33, when the cleaning is finished, the dust collection box 33 is taken out to clean the scraps in the dust collection box 33, realized the rust cleaning simultaneously quick collection sweeps, avoided the rust to finally pile up on orbital surface at the processing procedure in the rust, long-term the local point that will lead to the rail is built up and has aggravated the problem of corruption because the rust is piled up, through not hard up fixing bolt 22, then utilize coupling spring 21's elasticity, then roll over adjustment loop bar 17, make contained angle between adjustment loop bar 17 and the connecting plate 16 become the ninety degree from one hundred eighty degrees, take off the device with rail 1 after that, the very big installation and the dismantlement that has made things convenient for the device, the very big practicality that has increased the device.

Example 2

Fig. 6-7 show a rail rust cleaning apparatus based on smart city construction, which is different from embodiment 1 in that an electromagnet 37 is fixedly sleeved on the outside of the adjusting rod 17, a magnet 38 is fixedly sleeved on the outside of the bottom rod 20 and is located right below the electromagnet 37, and an input end of the electromagnet 37 is electrically connected to an output end of a controller 39.

The specific implementation mode is as follows: the magnetic force generated by the electromagnet 37 and the magnet 38 ensures the motion stability of the device, and the dismounting process only needs to remove the magnetic force generated by the electromagnet 37.

The working principle of the invention is as follows:

firstly, the controller 39 is started, the air pump 32, the first driving wheel 7 and the second driving wheel 24 are simultaneously started through the controller 39, so that the first driving wheel 7 drives the driving wheel 5, the driving wheel 5 drives the top cleaning wheel 6, one top cleaning wheel 6 drives the other top cleaning wheel 6 to remove rust on the top surface of the rail 1, the second driving wheel 24 drives the bottom cleaning wheel 23 to be interlocked, the bottom cleaning wheel 23 drives the grinding wheel 27 to rotate by matching with the first interlocking belt 25, the side surface of the inner groove 2 is cleaned by the grinding wheel 27, meanwhile, the box collecting component 29 moves a magnet along with the top cleaning wheel 6, the waste scraps in the inner groove 2 are adsorbed in the guide pipe 35, the waste scraps of the magnet enter the guide pipe 35 and are driven by the air flow generated by the air pump 32 to move to the inner part of the dust collecting box 33, when the cleaning is finished, the dust collecting box 33 is taken out to clean the waste scraps in the dust collecting box 33, then the method is finished;

when the device needs to be disassembled, only the fixing bolt 22 needs to be loosened, then the elastic force of the connecting spring 21 is utilized, then the adjusting loop bar 17 is folded, so that the included angle between the adjusting loop bar 17 and the connecting plate 16 is changed from one hundred eighty degrees to ninety degrees, and then the rail 1 is taken down and taken down.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;

and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.