1. The utility model provides a many direction grinding device of hydraulic pressure energy storage type antidetonation people's air defense door, includes grinding device, its characterized in that: the polishing device is characterized in that a polishing mechanism is arranged in the middle of the polishing device, an absorption mechanism is arranged at the bottom of the polishing device, the absorption mechanism is connected with the polishing mechanism through a pipeline, a smearing mechanism is arranged on one side of the polishing mechanism, and the smearing mechanism is connected with the absorption mechanism through a pipeline.

2. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 1, is characterized in that: grinding machanism is including polishing shell (1), the inside of polishing shell (1) is provided with four fixed arc board of group (2) and fixed arc board two (3), and the centre of four fixed arc board of group (2) and fixed arc board two (3) is hole (6) of polishing, the inner wall of fixed arc board (2) and fixed arc board two (3) and polishing shell (1) all is connected with telescopic link (5), the fixed orifices has all been seted up to the inner wall of fixed arc board (2) and fixed arc board two (3), the equal sliding connection in inside of fixed orifices has polishing sword (4), polishing sword (4) are fixed with telescopic link (5).

3. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 2, is characterized in that: the left side of fixed arc board (2) is fixed with magnet one, the right side of fixed arc board two (3) is fixed with magnet two, magnet two cooperatees with magnet one, be connected with the spring between the opposite side of fixed arc board one (2) and fixed arc board two (3).

4. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 3, is characterized in that: absorbing mechanism is including absorbing shell (9), the inside of absorbing shell (9) is provided with retainer plate (8), be formed with between retainer plate (8) and the absorption shell (9) and absorb chamber (12), the internal connection in absorption chamber (12) has three rotation axis (10), three groups the fixed surface of rotation axis (10) has rotating vane (11), and a plurality of round holes, a plurality of have been seted up to the inner wall of retainer plate (8) the inside sliding connection in round hole has spin (14), spin (14) cooperate with rotating vane (11), the inside of retainer plate (8) is centre gripping hole (7), a plurality of absorption holes have been seted up on the surface in the strong chamber of absorption.

5. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 4, is characterized in that: the internally connected with who absorbs chamber (12) extrudes shell (22), the inside sliding connection that extrudes shell (22) has push pedal (25), push pedal (25) are stock solution chamber (23) with the inner wall that absorbs shell (9), one side that push pedal (25) are close to retainer plate (8) is fixed with pull rod (24), pull rod (24) are fixed with spin (14), the inside of rotation axis (10) is provided with liquid bag (26), liquid bag (26) are the pipe connection with stock solution chamber (23), the inside of rotating vane (11) is provided with the extrusion bag, the fixed surface of extrusion bag has a plurality of sanding blocks, flexible hole has been seted up on the surface of rotating vane (11), flexible hole and sanding block cooperate.

6. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 5, is characterized in that: smearing mechanism is including filling shell (13), fill the inside of shell (13) and be provided with fusing chamber (15), fusing chamber (15) and absorption chamber (12) are the pipe connection, it is formed with between shell (13) and fusing chamber (15) and fills chamber (16) to fill, fill the inside in chamber (16) and seted up the slip chamber, the inside sliding connection in slip chamber has stopper (18), the bottom bearing of stopper (18) is connected with fills up ball (17), the export has been seted up to the one end that the slip chamber is close to fusing chamber (15), stopper (18) cooperate with the export.

7. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 6, is characterized in that: fusing chamber (15) are close to both sides of stopper (18) and are connected with flexure strip (20), the end of flexure strip (20) is fixed with top piece (19), the both sides of stopper (18) all are provided with unsmooth face (21), unsmooth face (21) are the cooperation structure with top piece (19).

8. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 7, is characterized in that: the top of the first fixed arc plate and the top of the second fixed arc plate are provided with arc pieces, and the arc pieces are made of flexible materials.

9. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 8, is characterized in that: the upper part of the concave-convex surface (21) is a concave surface, and the lower part of the concave-convex surface (21) is a convex surface.

10. The multi-guide grinding device for the hydraulic energy storage type earthquake-proof civil air defense door according to claim 9, is characterized in that: the two sides of the limiting ball (17) are fixed with blocking balls, the surface of the filling ball (17) is provided with a plurality of grooves, and the blocking balls are matched with the sliding cavity.

Background

The multi-guide grinding device for the existing hydraulic energy storage type anti-seismic civil air defense door cannot collect iron rust powder when the iron rust on the surface of the civil air defense door is ground, and easily causes pollution to the surrounding environment.

Disclosure of Invention

The invention aims to provide a hydraulic energy storage type multi-guide grinding device for an anti-seismic civil air defense door, which aims to solve the problems in the background technology.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides a many direction grinding device of hydraulic pressure energy storage type antidetonation people's air defense door, includes grinding device, its characterized in that: the polishing device is characterized in that a polishing mechanism is arranged in the middle of the polishing device, an absorption mechanism is arranged at the bottom of the polishing device, the absorption mechanism is connected with the polishing mechanism through a pipeline, a smearing mechanism is arranged on one side of the polishing mechanism, and the smearing mechanism is connected with the absorption mechanism through a pipeline.

According to the technical scheme, the polishing mechanism comprises a polishing shell, four groups of first fixed arc plates and two fixed arc plates are arranged inside the polishing shell, polishing holes are formed in the middles of the four groups of first fixed arc plates and the middle of the two fixed arc plates, the inner walls of the first fixed arc plates, the second fixed arc plates and the polishing shell are connected with telescopic rods, fixing holes are formed in the inner walls of the first fixed arc plates and the inner walls of the second fixed arc plates, polishing blades are connected inside the fixing holes in a sliding mode, and the polishing blades are fixed with the telescopic rods.

According to the technical scheme, the left side of the first fixed arc plate is fixed with the first magnet, the right side of the second fixed arc plate is fixed with the second magnet, the second magnet is matched with the first magnet, and a spring is connected between the other side of the first fixed arc plate and the other side of the second fixed arc plate.

According to the technical scheme, the absorption mechanism is including absorbing the shell, the inside of absorbing the shell is provided with the retainer plate, be formed with the absorption chamber between retainer plate and the absorption shell, the internal connection in absorption chamber has three rotation axes of group, three groups the fixed surface of rotation axis has rotating vane, and a plurality of round holes, a plurality of the inside sliding connection in round hole has the spin, the spin cooperatees with rotating vane, the inside of retainer plate is the centre gripping hole, absorb the surface in strong chamber and seted up a plurality of absorption holes.

According to the technical scheme, the internally connected with of absorption chamber extrudes the shell, the inside sliding connection that extrudes the shell has the push pedal, the push pedal is the stock solution chamber with the inner wall of absorption shell, one side that the push pedal is close to the retainer plate is fixed with the pull rod, the pull rod is fixed with the spin, the inside of rotation axis is provided with the liquid bag, the liquid bag is pipe connection with the stock solution chamber, rotating vane's inside is provided with the extrusion bag, the fixed surface of extrusion bag has a plurality of sanding blocks, flexible hole has been seted up on rotating vane's surface, flexible hole and sanding block cooperate.

According to the technical scheme, the smearing mechanism comprises a filling shell, a fusing cavity is arranged inside the filling shell, the fusing cavity is connected with an absorption cavity through a pipeline, a filling cavity is formed between the filling shell and the fusing cavity, a sliding cavity is formed inside the filling cavity, a limiting block is connected inside the sliding cavity in a sliding mode, a filling ball is connected to a bottom bearing of the limiting block, an outlet is formed in one end, close to the fusing cavity, of the sliding cavity, and the limiting block is matched with the outlet.

According to the technical scheme, the two sides of the fusing cavity, which are close to the limiting block, are connected with the elastic pieces, the tail ends of the elastic pieces are fixedly provided with the top plates, the two sides of the limiting block are both provided with concave-convex surfaces, and the concave-convex surfaces and the top plates are of matched structures.

According to the technical scheme, the arc-shaped pieces are arranged at the tops of the first fixed arc plate and the second fixed arc plate and are made of flexible materials.

According to the technical scheme, the concave surface is arranged above the concave-convex surface, and the convex surface is arranged below the concave-convex surface.

According to the technical scheme, the two sides of the limiting ball are fixedly provided with the blocking balls, the surface of the filling ball is provided with a plurality of grooves, and the blocking balls are matched with the sliding cavity.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the civil air defense door is inserted into the polishing hole before the civil air defense door is installed, the polishing shell is rotated through the external motor, the telescopic rod is rotated, so that the first fixed arc plate and the second fixed arc plate are driven to rotate, and the polishing knife is driven to rotate, the surface of the civil air defense door can be polished, when the civil air defense door is thick, the civil air defense door extends into the polishing hole, the polishing knife is extruded, the telescopic rod is extruded to contract, so that the first fixed plate and the second fixed plate are driven to expand outwards, the space of the polishing hole is enlarged, a thick civil air defense door frame can be polished, when the civil air defense door frame is thin, the polishing knife cannot be extruded into the polishing hole, at the moment, the telescopic rod pushes the first fixed plate and the second fixed plate to the center of the polishing hole under the action of the telescopic force, so that the polishing knife can be in close contact with the civil air defense door frame, and the surface of the thin civil air defense door frame can be well attached, can make grinding machanism polish the people's air defense door frame of different thicknesses size through this step, need not to change the device when making the people's air defense door frame of different thicknesses of polishing to this can practice thrift the time of polishing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

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

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

FIG. 3 is a partially enlarged view of region A of the present invention;

in the figure: 1. polishing the shell; 2. fixing the first arc plate; 3. fixing an arc plate II; 4. polishing the knife; 5. a telescopic rod; 6. grinding the hole; 7. a clamping hole; 8. a stationary ring; 9. an absorbent shell; 10. a rotating shaft; 11. a rotating blade; 12. an absorption chamber; 13. filling the shell; 14. rolling a ball; 15. a fuse cavity; 16. filling the cavity; 17. filling the ball; 18. a limiting block; 19. a topsheet; 20. an elastic sheet; 21. a concave-convex surface; 22. extruding the shell; 23. a liquid storage cavity; 24. a pull rod; 25. pushing the plate; 26. and (4) a liquid sac.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: the utility model provides a many direction grinding device of hydraulic pressure energy storage type antidetonation people's air defense door, includes grinding device, its characterized in that: the middle of the polishing device is provided with a polishing mechanism, the bottom of the polishing device is provided with an absorption mechanism, the absorption mechanism is connected with the polishing mechanism through a pipeline, one side of the polishing mechanism is provided with a smearing mechanism, the smearing mechanism is connected with the absorption mechanism through a pipeline, the surface of the civil air defense door can be polished through the polishing mechanism before the civil air defense door is installed, the condition that rust on the surface of the civil air defense door affects the use quality of the civil air defense door is avoided, the absorption mechanism can collect polished rust powder to prevent iron powder from flying everywhere and polluting the surrounding environment, the collected rust powder is input into the smearing mechanism through the pipeline and is melted into molten iron, gaps formed when the civil air defense door is installed can be smeared through the smearing mechanism, and the service life and the use strength of the civil air defense door can be increased;

the polishing mechanism comprises a polishing shell 1, four groups of fixed arc plates I2 and two fixed arc plates 3 are arranged inside the polishing shell 1, polishing holes 6 are formed in the middles of the four groups of fixed arc plates I2 and two fixed arc plates 3, the inner walls of the fixed arc plates I2 and two fixed arc plates 3 and the polishing shell 1 are connected with telescopic rods 5, fixing holes are formed in the inner walls of the fixed arc plates I2 and two fixed arc plates 3, polishing knives 4 are connected inside the fixing holes in a sliding mode, the polishing knives 4 are fixed with the telescopic rods 5, the civil air defense door is made of metal materials and mostly cylindrical in shape, the civil air defense door is inserted into the polishing holes before the civil air defense door is installed, the polishing shell is rotated through an external motor, the telescopic rods are rotated, the fixed arc plates I and the fixed arc plates II are driven to rotate, the polishing knives are further driven to rotate, the surface of the civil air defense door can be polished, when the civil air defense door is thicker, the grinding knife extends into the grinding hole, the grinding knife is extruded, so that the telescopic rod is extruded to shrink, the first fixing plate and the second fixing plate are driven to expand outwards, the space of the grinding hole is enlarged, a thicker civil air defense door frame can be ground, when the civil air defense door frame is thinner, the grinding knife cannot be extruded when the civil air defense door frame extends into the grinding hole, the telescopic rod pushes the first fixing plate and the second fixing plate to the center of the grinding hole under the action of the telescopic force, the grinding knife can be in close contact with the civil air defense door frame, the surface of the thin civil air defense door frame can be well attached, the civil air defense door frames with different thicknesses can be ground by the grinding mechanism through the steps, the device does not need to be replaced when the civil air defense door frames with different thicknesses are ground, the grinding time can be saved, the positions of the first fixing arc plate and the second fixing arc plate can be fixed well when the telescopic rod is shrunk and extended, and the positions of the first fixing arc plate and the second fixing guard plate are prevented from being shifted, the polishing quality is affected;

the left side of the first fixed arc plate 2 is fixed with a first magnet, the right side of the second fixed arc plate 3 is fixed with a second magnet which is matched with the first magnet, a spring is connected between the other sides of the first fixed arc plate 2 and the second fixed arc plate 3, when a thicker civil air defense door frame is polished, the first fixed arc plate and the second fixed arc plate can be propped open towards the outer side, at the moment, the first magnet and the second magnet can suck the first fixed arc plate and the second fixed arc plate to fix each other, a gap is not left between the side surfaces of the first fixed arc plate and the second fixed arc plate, polished iron rust powder can be prevented from flying out of the gap when the first fixed arc plate and the second fixed arc plate are mutually fixed, when the first fixed arc plate and the second fixed arc plate are propped open, the spring can pull the other two sides of the first fixed arc plate and the second fixed arc plate through the action of elasticity, and the distance for propping open the first fixed arc plate and the second fixed arc plate is too large, the first fixed arc plate and the second fixed arc plate can be prevented from falling off, when the thin civil air defense door frame is polished, the first fixed arc plate and the second fixed arc plate can not be outwards unfolded, at the moment, the first fixed arc plate and the second fixed arc plate are inwards pulled under the action of the spring, the polishing holes are inwards shrunk, the first fixed arc plate and the second fixed arc plate can be better attached to the surface of the civil air defense door frame, and the quality of polishing the thin civil air defense door frame is improved;

the absorption mechanism comprises an absorption shell 9, a fixed ring 8 is arranged inside the absorption shell 9, an absorption cavity 12 is formed between the fixed ring 8 and the absorption shell 9, three groups of rotating shafts 10 are connected inside the absorption cavity 12, rotating blades 11 are fixed on the surfaces of the three groups of rotating shafts 10, a plurality of rolling holes are formed in the inner wall of the fixed ring 8, rolling balls 14 are connected inside the rolling holes in a sliding manner, the rolling balls 14 are matched with the rotating blades 11, clamping holes 7 are formed inside the fixed ring 8, a plurality of absorption holes are formed in the surface of the strong absorption cavity, when the civil air defense door frame passes through the grinding holes, the civil air defense door frame can extend into the clamping holes inside the fixed ring and can be in contact with the rolling balls on the inner wall of the fixed ring, the rolling balls roll inside the rolling holes, the friction between the civil air defense door frame and the fixed ring is prevented from being too large, the civil air defense door frame is abraded, the rotating shafts rotate in the absorption cavities, the rotating blades are driven to rotate, so as to generate negative pressure, the iron rust powder polished by the grinding mechanism, the rust powder is sucked into the interior through the iron powder hole on the surface of the absorption cavity, when the civil air defense door frame extending into the clamping hole is thick, the rolling ball can be moved towards the direction close to the rotating blade, so that the rolling ball is in contact with the rotating blade to generate friction and further generate heat, the heat can be transferred into the absorption cavity after a long time, the rotating blade can stir the rust powder in the absorption cavity by rotating, the rust powder can absorb more heat in the absorption cavity during stirring, the rust powder is drier, the phenomenon that the rust powder in the absorption cavity is adhered together due to excessive accumulation is avoided, when the civil air defense door frame extending into the clamping hole is thin, the rolling ball cannot be extruded, the distance between the rotating blade and the rolling ball is increased, the rotating blade cannot encounter resistance during rotating, so that the rotating speed is increased, the rust powder can be well stirred and crushed, and the air circulation in the absorption cavity is accelerated, the deformation of the rotating blades caused by too high internal temperature is avoided, and the rotating speed of the rotating blades can be controlled according to the thickness of the civil air defense door frame through the step, so that the service life of the rotating blades is ensured;

the internal connection of absorption chamber 12 has extrusion shell 22, the internal sliding connection of extrusion shell 22 has push pedal 25, the inner wall of push pedal 25 and absorption shell 9 is liquid storage chamber 23, one side of push pedal 25 near retainer plate 8 is fixed with pull rod 24, pull rod 24 is fixed with ball 14, the inside of rotation axis 10 is provided with liquid bag 26, liquid bag 26 is connected with liquid storage chamber 23 for the pipeline, the inside of rotating vane 11 is provided with the extrusion bag, the surface of extrusion bag is fixed with a plurality of polishing blocks, the surface of rotating vane 11 is provided with the telescopic hole, the telescopic hole is matched with the polishing block, when the civil air defense door entering the clamping hole is thick, the ball is pushed to the outside, so that the push pedal is driven by the push pedal to slide in the extrusion ball, thereby extrude the liquid storage chamber, the liquid in the liquid storage chamber is transmitted to the inside of the liquid bag through the pipeline, the liquid in the liquid bag can be input to the inside of the, the grinding block extends out of the inner wall of the telescopic hole to the inside of the absorption cavity, the rotary blade rotates to drive the grinding block to rotate together, the grinding block has larger friction force and can grind the larger rust powder in the absorption cavity to be ground into powder, the grinding efficiency of the rotary blade can be enhanced, the large block head of the rust powder is prevented from damaging the inner wall of the absorption cavity and the rotary blade, when the civil air defense door frame entering the clamping hole is thin, the rolling ball cannot be pushed outwards, the pull rod cannot pull the push plate to extrude the liquid storage cavity, so that liquid in the liquid bag can flow back to the inside of the liquid storage cavity, at the moment, the liquid storage cavity contains a large amount of liquid, the damping effect can be achieved when the grinding mechanism grinds hard iron, the civil air defense door frame is prevented from shaking too severely when hard rust is ground, the grinding quality cannot be affected, and the damping effect can be achieved when the clamping hole clamps the thinner civil air defense door frame through the step, the grinding efficiency of the rotating blades can be increased when a thicker civil air defense door frame is clamped;

the smearing mechanism comprises a filling shell 13, a fusing cavity 15 is arranged inside the filling shell 13, the fusing cavity 15 is connected with an absorption cavity 12 through a pipeline, a filling cavity 16 is formed between the filling shell 13 and the fusing cavity 15, a sliding cavity is formed inside the filling cavity 16, a limiting block 18 is connected inside the sliding cavity in a sliding mode, a filling ball 17 is connected to a bottom bearing of the limiting block 18, an outlet is formed in one end, close to the fusing cavity 15, of the sliding cavity, the limiting block 18 is matched with the outlet, iron rust powder polished in the absorption cavity is input into the fusing cavity through the pipeline, the temperature in the fusing cavity is high, the melting cavity contains aluminum powder, the iron rust powder and the aluminum powder are mixed and can be fused into molten iron, the polished civil air defense door frame can be welded into a door frame by workers, the polishing shell can move on the civil defense door frame welded into the door frame, the limiting block is driven to move, the filling ball can move along with the barrel, gaps or pits can be met at welding positions when the ball moves, when the gap is deep, the limiting block moves downwards in the sliding cavity and sinks into the deep gap, the descending distance of the limiting block is long, the limiting block cannot block the outlet of the fusing cavity, at the moment, more fusing liquid flows out of the fusing cavity to the interior of the filling cavity and flows to the surface of the filling ball along the sliding cavity, the filling ball can drive more fusing liquid in the filling cavity to flow into the deep gap, the deep gap can be filled, when the gap is shallow, the filling ball at the tail end of the limiting block can be in contact with the shallow gap, the descending distance of the limiting block in the sliding cavity is short due to the shallow gap, at the moment, the limiting block can limit the flow of the fusing liquid at the outlet of the fusing cavity, so that less fusing liquid is brought out when the filling ball rolls, the shallow gap can be filled, and the flow of the fusing liquid can be controlled by the filling mechanism according to the gaps with different depths through the step to fill the gaps with different depths, therefore, the waste of the fusing liquid can not be caused, and the use of the fusing liquid can be saved;

the two sides of the fusing cavity 15 close to the limiting block 18 are connected with elastic pieces 20, the tail end of each elastic piece 20 is fixedly provided with a top piece 19, the two sides of each limiting block 18 are respectively provided with a concave-convex surface 21, the concave-convex surfaces 21 and the top pieces 19 are of a matched structure, the upper parts of the concave-convex surfaces 21 are concave surfaces, the lower parts of the concave-convex surfaces 21 are convex surfaces, the filling shell moves on a civil air defense doorframe, because the upper parts of the concave-convex surfaces are convex surfaces and the lower parts of the concave-convex surfaces, when a shallow gap is met, the limiting block only moves downwards for a small distance, the elastic pieces on the two sides of the fusing cavity are close to the convex surfaces, so that the convex surfaces can block a space with more outlets, the limiting block the amount of fusing liquid flowing out of the outlets, the situation that more fusing liquid flows out to the inside the sliding cavity when a shallow gap is met, the limiting block moves downwards for a large distance, and the elastic pieces on the two sides of the fusing cavity are in contact with the concave surfaces, the elastic sheet is extended to a certain range, so that the top sheet cannot touch the concave surface, a larger gap is reserved, more fusing liquid can flow into the filling cavity from the fusing cavity, more fusing liquid can be brought into the filling cavity through the filling ball and flow into the deep gap, the rust powder can be fused into the fusing liquid through the step, the gap reserved at the welding position of the civil defense door frame is poured, collapse caused by the enlargement of the gap is avoided, and the firmness of the civil defense door frame can be improved;

the top parts of the first fixed arc plate and the second fixed arc plate are provided with arc pieces, the arc pieces are made of flexible materials, and when the civil air defense frame extends into the grinding hole, the arc pieces can guide the civil air defense frame to extend into the grinding hole, so that the civil air defense frame is prevented from directly colliding with the grinding cutter, and the grinding cutter is prevented from being broken;

the upper part of the concave-convex surface 21 is a concave surface, the lower part of the concave-convex surface 21 is a convex surface, and the concave surface and the convex surface can move up and down at different distances according to the limiting block, so that the top plate touches the concave surface and the convex surface to control the amount of the fusing liquid flowing out of the fusing cavity;

spacing ball 17's both sides are fixed with the fender ball, a plurality of recesses have been seted up on the surface of filling ball 17, the fender ball cooperatees with the sliding chamber, fill up the ball when people's air defense door frame surface rolls, do not have the pit to make when people's air defense frame surface, the stopper can not the downstream, the fender ball can block the sliding chamber this moment, can not make the fusing liquid flow out, it is extravagant to avoid the fusing liquid, when people's square frame surface has the pit clearance, the stopper can the downstream, the fender ball can not block the sliding chamber, the fusing liquid can flow out along with the sliding chamber, the recess on this moment through the surface can take out the fusing liquid of sliding chamber inside to clearance department, conveniently fill the clearance.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.