阅读说明：本技术 一种基于bim的空间通道搭建装备及其使用方法 (BIM-based space channel building equipment and using method thereof ) 是由 周振厂 唐庆伟 于 2021-08-19 设计创作，主要内容包括：本发明提供一种基于BIM的空间通道搭建装备及其使用方法,搭建装备包括车体,车体的一侧设有固定支撑臂,车体的另一侧滑动设有活动支撑臂,固定支撑臂、活动支撑臂的端部均设有液压支腿；车体上方设有伸缩组件,伸缩组件包括多块相互配合的板架位于顶部的板架上还铰接设有两块支撑板,两块支撑板的端部设有抵接柱,两块支撑板之间设有连接杆,该板架上铰接设有位置调节液压缸,位置调节液压缸的伸缩端与连接杆铰接；位于顶部的板架上还设有FBG光学传感器以及接触挤压应力传感器,接触挤压应力传感器包括多片设置在抵接柱表面的应变片。本发明能够针对险情快速搭建出用于救援的空间通道,在确保安全的前提下实现快速救援、灭火、通行、跨越等目的。(The invention provides BIM-based space channel building equipment and a using method thereof, wherein the building equipment comprises a vehicle body, one side of the vehicle body is provided with a fixed supporting arm, the other side of the vehicle body is provided with a movable supporting arm in a sliding manner, and the end parts of the fixed supporting arm and the movable supporting arm are respectively provided with a hydraulic supporting leg; a telescopic assembly is arranged above the vehicle body, the telescopic assembly comprises a plurality of mutually matched plate frames, two support plates are also hinged on the plate frame positioned at the top, abutting columns are arranged at the end parts of the two support plates, a connecting rod is arranged between the two support plates, a position adjusting hydraulic cylinder is hinged on the plate frame, and the telescopic end of the position adjusting hydraulic cylinder is hinged with the connecting rod; still be equipped with FBG optical sensor and contact extrusion stress sensor on the grillage that is located the top, contact extrusion stress sensor includes that the multi-disc sets up the foil gage on butt post surface. The invention can quickly build a space channel for rescue aiming at dangerous situations, and realizes the purposes of quick rescue, fire extinguishing, passing, crossing and the like on the premise of ensuring safety.)

1. The utility model provides a space channel builds equipment based on BIM which characterized in that: the bicycle comprises a bicycle body (1), wherein a plurality of fixed supporting arms (2) are arranged on one side of the bicycle body (1), a plurality of movable supporting arms (3) are arranged on the other side of the bicycle body (1) in a sliding manner, toothed belts (3-1) are arranged at the bottoms of the movable supporting arms (3), a driving motor (4) is arranged at the lower part corresponding to each movable supporting arm (3), gears corresponding to the toothed belts (3-1) are arranged at the output ends of the driving motors (4), and hydraulic supporting legs (5) are arranged at the end parts of the fixed supporting arms (2) and the movable supporting arms (3); automobile body (1) top is equipped with flexible subassembly (7), flexible subassembly (7) include polylith grillage (8), every grillage (8) all include two risers (8-1), are equipped with footboard (8-2) between two risers (8-1), spout (8-3) have been seted up on footboard (8-2), and the bottom of footboard (8-2) that is located grillage (8) on upper portion is equipped with inclination and adjusts pneumatic cylinder (14), the flexible end hinge of inclination regulation pneumatic cylinder (14) is equipped with the slide in spout (8-3) of slidable mounting on footboard (8-2) that is located the lower part, is equipped with first supporting axle between two risers (8-1) of grillage (8) that are located the lower part, articulated length adjustment pneumatic cylinder (15) that is equipped with on the first supporting axle, the flexible end hinge of length adjustment pneumatic cylinder (15) is installed in two grillages (8) that are located grillage (8) on upper portion A second supporting shaft between the block vertical plates (8-1); one end of a plate frame (8) positioned at the bottom is hinged with a hinge seat (6) arranged on a vehicle body (1), an adjusting plate frame (12) is further arranged between two vertical plates (8-1) of the plate frame (8), a slide way is arranged at the bottom of the adjusting plate frame (12), a supporting hydraulic cylinder (9) is further arranged on the vehicle body (1), and a sliding plate which is slidably arranged in the slide way is hinged with the telescopic end of the supporting hydraulic cylinder (9); the plate frame (8) positioned at the top is also hinged with two supporting plates (16), the end parts of the two supporting plates (16) are provided with abutting columns (18), a connecting rod is arranged between the two supporting plates (16), the plate frame (8) is hinged with a position adjusting hydraulic cylinder (17), and the telescopic end of the position adjusting hydraulic cylinder (17) is hinged with the connecting rod; the vehicle body (1) is also provided with a laser range finder (10); the driving motor (4), the hydraulic support leg (5), the inclination angle adjusting hydraulic cylinder (14), the length adjusting hydraulic cylinder (15), the supporting hydraulic cylinder (9), the position adjusting hydraulic cylinder (17) and the laser range finder (10) are electrically connected with a control platform (23) arranged on the vehicle body (1); the manipulation platform (23) comprises a BIM technology module.

2. The BIM-based space channel building equipment according to claim 1, wherein: the FBG optical sensor and the contact extrusion stress sensor are arranged on the plate frame (8) at the top and electrically connected with the control platform (23), and the contact extrusion stress sensor comprises a plurality of strain gauges arranged on the surface of the butting column (18).

3. The BIM-based space channel building equipment according to claim 2, wherein: the automobile body (1) slides and is equipped with balancing weight (24), balancing weight (24) are adjusted hydraulic cylinder (25) by the counter weight that sets up in automobile body (1) and are controlled its removal, counter weight is adjusted hydraulic cylinder (25) and is controlled platform (23) electric connection.

4. The BIM-based space channel building equipment according to claim 3, wherein: and a panoramic image device electrically connected with the control platform (23) is arranged on the plate frame (8) positioned at the top.

5. The BIM-based space channel building equipment according to claim 4, wherein: the vehicle body (1) is further provided with an infrared thermometer (11) electrically connected with the control platform (23).

6. The BIM-based space channel building equipment according to claim 5, wherein: be located grillage (8) at top be equipped with control platform (23) electric connection's water pump (21) and life detection instrument (20), water pump (21) are connected with delivery pipe, water pistol.

7. The BIM-based space channel building equipment according to claim 6, wherein: and a pneumatic hammer (19) electrically connected with the control platform (23) is also arranged on the plate frame (8) positioned at the top.

8. The BIM-based space channel building equipment according to claim 7, wherein: a plurality of upright posts (8-5) are hinged on the two upright plates (8-1) of each plate frame (8), each upright post (8-5) is hinged with a cross rod (8-4) above the corresponding upright plate (8-1), a positioning rod (8-6) is movably arranged on the cross rod (8-4), a thread section is arranged at one end of the positioning rod (8-6), a through hole is arranged at the other end of the positioning rod (8-6), a limiting frame (8-7) is arranged on the cross rod (8-4), the limiting frame (8-7) is provided with a through hole corresponding to the positioning rod (8-6), the pedal (8-2) of the plate frame (8) is provided with a threaded blind hole (8-8) corresponding to the threaded section, and the through hole corresponds to the threaded blind hole (8-8) when the upright rod (8-5) is vertical to the pedal (8-2).

9. The BIM-based space channel building equipment and the use method thereof according to claim 8, characterized by comprising the steps of:

s1: firstly, an operator quickly moves the vehicle body (1) to a proper position according to alarm information, measures the distance from the vehicle body (1) to a rescue position through a laser range finder (10), and transmits information to an operation platform (23);

s2: then, an operator adjusts the position of the hydraulic support leg (5) according to an actual scene, controls the hydraulic support leg (5) to extend out of the ground to support the vehicle body (1) in the air, and moves the counterweight block (24) to a proper position through the counterweight adjusting hydraulic cylinder (25) to ensure the stability of the vehicle body (1) in the rescue process;

s3: then, an operator stretches out a proper number of the plate frames (8) through the control platform (23), determines the surface strain value of the overlapped component through the FBG optical sensor, further determines the abutting position of the abutting column (18) and the bending degree of the rainbow bridge built between the plate frames (8), and transmits the monitored data to the control platform (23) in real time through the contact extrusion stress sensor;

s4: the fire fighter quickly gets on the pedal (8-2) to go to a rescue destination, and when the fire fighter gets on one pedal (8-2), the fire fighter erects the upright rod (8-5), and passes the positioning rod (8-6) through the through hole on the mounting rack and then is in threaded connection with the threaded blind hole (8-8), and passes through the through hole on the positioning rod (8-6) through the rod-shaped tool and then is fastened in a screwing way until reaching the upper plate frame (8);

s5: the life detection instrument (20) transmits the search result information to the fire fighters in real time, and the fire fighters take corresponding rescue measures according to actual conditions.

Technical Field

The invention relates to the technical field of rescue equipment, in particular to BIM-based space channel building equipment and a using method thereof.

Background

In recent years, with the continuous development of social industry and infrastructure, various phenomena which are inconvenient to rescue after disasters occur also occur, for example, when a high-rise building has a fire disaster, the existing fire fighting equipment is generally difficult to reach a rescue position, so that rescue work is difficult to develop; in addition, when flood disasters occur to cause some people to be trapped in an island, equipment capable of quickly rescuing is also lacking at present.

BIM is a new technical vocabulary, which is a computer aided design mainly based on three-dimensional graphics, object guidance and architecture, and its core is to provide a complete and actual-condition-consistent building engineering information base for the model by establishing a virtual building engineering three-dimensional model and using digital technology, the information base not only contains geometric information, professional attribute and state information describing building components, but also contains state information of non-component objects (such as space and motion behavior), and by means of the three-dimensional model containing building engineering information, the information integration degree of building engineering is greatly improved, thereby providing a platform for exchanging and sharing engineering information for related stakeholders of building engineering projects.

Aiming at the problems in the prior art, the invention aims to provide quick rescue channel building equipment by combining the current advanced technology.

Disclosure of Invention

The invention aims to provide space channel building equipment based on BIM and a using method thereof aiming at the defects of the prior art, and the specific scheme is as follows:

a BIM-based space channel building device comprises a vehicle body, wherein a plurality of fixed supporting arms are arranged on one side of the vehicle body, a plurality of movable supporting arms are arranged on the other side of the vehicle body in a sliding mode, toothed belts are arranged at the bottoms of the movable supporting arms, a driving motor is arranged at the lower part of each movable supporting arm correspondingly, gears corresponding to the toothed belts are arranged at the output ends of the driving motors, and hydraulic supporting legs are arranged at the end parts of the fixed supporting arms and the movable supporting arms; the telescopic assembly is arranged above the vehicle body and comprises a plurality of plate frames, each plate frame comprises two vertical plates, a pedal is arranged between the two vertical plates, a sliding groove is formed in the pedal, an inclination angle adjusting hydraulic cylinder is arranged at the bottom of the pedal of the plate frame positioned on the upper portion, a sliding plate which is slidably mounted in the sliding groove in the pedal positioned on the lower portion is hinged to the telescopic end of the inclination angle adjusting hydraulic cylinder, a first supporting shaft is arranged between the two vertical plates of the plate frame positioned on the lower portion, a length adjusting hydraulic cylinder is hinged to the first supporting shaft, and the telescopic end of the length adjusting hydraulic cylinder is hinged to a second supporting shaft which is arranged between the two vertical plates of the plate frame positioned on the upper portion; one end of the plate frame positioned at the bottom is hinged with a hinge seat arranged on the vehicle body, an adjusting plate frame is further arranged between two vertical plates of the plate frame, a slide way is arranged at the bottom of the adjusting plate frame, a supporting hydraulic cylinder is further arranged on the vehicle body, and a sliding plate which is slidably arranged in the slide way is hinged at the telescopic end of the supporting hydraulic cylinder; the plate frame positioned at the top is also hinged with two support plates, the end parts of the two support plates are provided with abutting columns, a connecting rod is arranged between the two support plates, the plate frame is hinged with a position adjusting hydraulic cylinder, and the telescopic end of the position adjusting hydraulic cylinder is hinged with the connecting rod; the vehicle body is also provided with a laser range finder; the driving motor, the hydraulic support leg, the inclination angle adjusting hydraulic cylinder, the length adjusting hydraulic cylinder, the supporting hydraulic cylinder, the position adjusting hydraulic cylinder and the laser range finder are electrically connected with an operation platform arranged on the vehicle body; the control platform comprises a BIM technology module.

Based on the aforesaid, be located on the grillage at top still be equipped with control platform electric connection's FBG optical sensor and contact extrusion stress sensor, contact extrusion stress sensor includes that the multi-disc setting is in the foil gage on butt post surface.

Based on the above, it is equipped with the balancing weight to slide in the automobile body, its removal is controlled by the counter weight regulation pneumatic cylinder that sets up in the automobile body to the balancing weight, the pneumatic cylinder is adjusted with control platform electric connection to the counter weight.

Based on the above, be located on the grillage at top with control platform electric connection's panorama image device.

Based on the above, still be equipped with on the automobile body with control platform electric connection's infrared thermometer.

Based on the above, be located the grillage at top be equipped with control platform electric connection's water pump and life detection instrument, the water pump is connected with delivery pipe, spray gun.

Based on the above, be located on the grillage at top still be equipped with control platform electric connection's pneumatic hammer.

Based on the above, all articulate on two risers of every grillages and be equipped with many pole settings, every the pole setting all articulates the installation with the horizontal pole of corresponding riser top, the activity is equipped with the locating lever on the horizontal pole, the one end of locating lever is equipped with the screw thread section, and the other end of locating lever is equipped with the perforation, is equipped with spacing on the horizontal pole, be equipped with the through-hole that corresponds with the locating lever on the spacing, be equipped with on the footboard of this grillage with the screw thread blind hole that the screw thread section corresponds, when the pole setting is perpendicular with the footboard the through-hole with the screw thread blind hole is corresponding.

According to the BIM-based space channel building equipment, the using method comprises the following steps:

s1: firstly, an operator quickly moves the vehicle body to a proper position according to alarm information, measures the distance from the vehicle body to a rescue position through a laser range finder, and transmits the information to an operation platform;

s2: then, the operator adjusts the position of the hydraulic support leg according to an actual scene, controls the hydraulic support leg to extend out of the ground to support the vehicle body in the air, moves the counterweight block to a proper position through the counterweight adjusting hydraulic cylinder, and ensures the stability of the vehicle body in the rescue process;

s3: then, an operator stretches out a proper number of grillage through the control platform, determines the surface strain value of the overlapped component through the FBG optical sensor, further determines the abutting position of the abutting column and the bending degree of the rainbow bridge built between the grillage, and transmits the monitored data to the control platform in real time through the contact extrusion stress sensor;

s4: the fire fighter quickly steps on the pedals to go to a rescue destination, and when the fire fighter steps on one pedal, the fire fighter erects the vertical rod, penetrates the positioning rod through the through hole in the mounting rack and then is in threaded connection with the threaded blind hole, and penetrates through the through hole in the positioning rod through a rod-shaped tool to be screwed and fixed until reaching the upper plate frame;

s5: the life detection instrument transmits the search result information to the fire fighters in real time, and the fire fighters take corresponding rescue measures according to actual conditions.

Compared with the prior art, the invention has outstanding substantive characteristics and remarkable progress, and particularly has the following advantages:

the invention has simple and ingenious structural design, and when meeting scenes needing rescue, such as isolated islands in flood, high-rise trapped people and the like, the invention can quickly and skillfully build a safe space channel after data analysis so as to be convenient for firemen to take corresponding rescue measures to carry out rescue, realize the purposes of quick rescue, fire extinguishing, passing, crossing and the like on the premise of ensuring safety, and ensure the life and property safety of people as much as possible; in addition, the invention also has certain practical value to the building field, such as certain practicability when in overhead bridge erection and overhead lap joint.

Drawings

Figure 1 is a schematic view of the overall structure of the construction equipment of the present invention.

Fig. 2 is a schematic view of the connection structure between the vehicle body and the floor frame in the present invention.

Fig. 3 is a schematic view of the connection structure between the plate frame and the plate frame in the present invention.

Fig. 4 is a schematic view of the construction of the top plate rack of the present invention.

Fig. 5 is a schematic diagram of the structure at a in fig. 1.

Fig. 6 is a schematic diagram of the structure at B in fig. 3.

Fig. 7 is a schematic diagram of the structure at C in fig. 4.

Fig. 8 is a schematic structural diagram of the construction equipment for high-rise rescue in the invention.

In the figure: 1. a vehicle body; 2. fixing the support arm; 3. a movable support arm; 3-1, toothed belt; 4. a drive motor; 5. a hydraulic leg; 6. a hinged seat; 7. a telescoping assembly; 8. a plate frame; 8-1, standing a plate; 8-2. a pedal; 8-3, a chute; 8-4, a cross bar; 8-5, erecting a rod; 8-6, positioning a rod; 8-7, a limiting frame; 8-8, thread blind hole; 9. a support hydraulic cylinder; 10. a laser range finder; 11. an infrared thermometer; 12. adjusting the plate frame; 14. a tilt angle adjusting hydraulic cylinder; 15. a length adjustment hydraulic cylinder; 16. a support plate; 17. a position adjusting hydraulic cylinder; 18. a butting post; 19. a pneumatic hammer; 20. a life detector; 21. a water pump; 22. a tool box; 23. a manipulation platform; 24. a balancing weight; 25. a counterweight adjusting hydraulic cylinder; 26. a building body.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

Examples

As shown in fig. 1-8, the invention provides a space channel building device based on BIM, which comprises a vehicle body 1, wherein one side of the vehicle body 1 is provided with a plurality of fixed supporting arms 2, the other side of the vehicle body 1 is provided with a plurality of movable supporting arms 3 in a sliding manner, the bottom of each movable supporting arm 3 is provided with a toothed belt 3-1, the lower part of each movable supporting arm 3 is provided with a driving motor 4, the output end of each driving motor 4 is provided with a gear corresponding to the toothed belt 3-1, and the end parts of each fixed supporting arm 2 and each movable supporting arm 3 are provided with hydraulic supporting legs 5; a telescopic component 7 is arranged above the vehicle body 1, the telescopic component 7 comprises a plurality of plate frames 8, each plate frame 8 comprises two vertical plates 8-1, a pedal 8-2 is arranged between the two vertical plates 8-1, the pedal 8-2 is provided with a sliding groove 8-3, the bottom of the pedal 8-2 of the plate frame 8 positioned at the upper part is provided with an inclination angle adjusting hydraulic cylinder 14, the telescopic end of the inclination angle adjusting hydraulic cylinder 14 is hinged with a sliding plate which is arranged in a sliding groove 8-3 on a pedal 8-2 at the lower part in a sliding way, a first supporting shaft is arranged between two vertical plates 8-1 of a plate frame 8 at the lower part, a length adjusting hydraulic cylinder 15 is hinged to the first support shaft, and the telescopic end of the length adjusting hydraulic cylinder 15 is hinged to a second support shaft between the two vertical plates 8-1 of the upper plate frame 8; one end of a plate frame 8 positioned at the bottom is hinged with a hinge seat 6 arranged on a vehicle body 1, an adjusting plate frame 12 is further arranged between two vertical plates 8-1 of the plate frame 8, a slide way is arranged at the bottom of the adjusting plate frame 12, a supporting hydraulic cylinder 9 is further arranged on the vehicle body 1, and a sliding plate which is slidably arranged in the slide way is hinged at the telescopic end of the supporting hydraulic cylinder 9; the plate frame 8 positioned at the top is also hinged with two support plates 16, the end parts of the two support plates 16 are provided with abutting columns 18, a connecting rod is arranged between the two support plates 16, the plate frame 8 is hinged with a position adjusting hydraulic cylinder 17, and the telescopic end of the position adjusting hydraulic cylinder 17 is hinged with the connecting rod; the vehicle body 1 is also provided with a laser range finder 10; the driving motor 4, the hydraulic support leg 5, the inclination angle adjusting hydraulic cylinder 14, the length adjusting hydraulic cylinder 15, the supporting hydraulic cylinder 9, the position adjusting hydraulic cylinder 17 and the laser range finder 10 are electrically connected with an operation platform 23 arranged on the vehicle body 1; the manipulation platform 23 includes a BIM technology module.

Considering that the place environment that needs the rescue may be comparatively complicated, for the stable construction of space passageway, be located on the grillage 8 at top still be equipped with control platform 23 electric connection's FBG optical sensor and contact extrusion stress sensor, FBG optical sensor can carry out the analysis to the strainability of the object that butt column 18 is located, contact extrusion stress sensor includes that the multi-disc setting is in the foil gage on butt column 18 surface.

When carrying out rescue work, for the stability of ensureing automobile body 1, it is equipped with balancing weight 24 to slide in automobile body 1, balancing weight 24 is adjusted pneumatic cylinder 25 control its removal by the counter weight that sets up in automobile body 1, pneumatic cylinder 25 is adjusted with control platform 23 electric connection to the counter weight.

In order to observe and record the rescue scene conveniently, a panoramic image device electrically connected with the control platform 23 is arranged on the plate frame 8 positioned at the top.

In order to facilitate real-time monitoring of the temperature of the fire rescue site and ensure safe rescue operation, an infrared thermometer 11 electrically connected with the control platform 23 is further arranged on the vehicle body 1.

In order to rescue a fire scene conveniently, a water pump 21 and a life detector 20 which are electrically connected with the control platform 23 are arranged on the plate frame 8 positioned at the top, and the water pump 21 is connected with a water supply pipe and a water spray gun.

In consideration of the needs of rescue work, sometimes the windows and doors need to be broken, a pneumatic hammer 19 electrically connected with the control platform 23 is further arranged on the plate frame 8 at the top, and firemen can hold the pneumatic hammer 19 to quickly break in emergency.

In order to ensure the personal safety of personnel when passing through the space channel, a plurality of upright posts 8-5 are hinged on two upright plates 8-1 of each plate frame 8, each upright post 8-5 is hinged with a cross rod 8-4 above the corresponding upright plate 8-1, a positioning rod 8-6 is movably arranged on the cross rod 8-4, a thread section is arranged at one end of the positioning rod 8-6, a through hole is arranged at the other end of the positioning rod 8-6, a limiting frame 8-7 is arranged on the cross rod 8-4, a through hole corresponding to the positioning rod 8-6 is arranged on the limiting frame 8-7, the pedal 8-2 of the plate frame 8 is provided with a threaded blind hole 8-8 corresponding to the threaded section, and when the upright rod 8-5 is vertical to the pedal 8-2, the through hole corresponds to the threaded blind hole 8-8.

It should be noted here that in order to facilitate access to the tools, a tool box 22 is provided on the top rack 8, considering that many tools may be used during the rescue.

Taking the rescue of the high-rise building 26 as an example, the use method of the BIM-based space channel building equipment comprises the following steps:

s1: firstly, an operator quickly moves the vehicle body 1 to a proper position according to alarm information, measures the distance from the vehicle body 1 to a rescue position through the laser range finder 10, and transmits the information to the control platform 23;

s3: then, an operator stretches out a proper number of the plate frames 8 through the control platform 23, determines the strain value of the surface of the overlapped component through the FBG optical sensor, further determines the abutting position of the abutting column 18 and the bending degree of the rainbow bridge built between the plate frames 8, and transmits the monitored data to the control platform 23 in real time by contacting the extrusion stress sensor;

s3: then, an operator stretches out a proper number of the plate frames 8 through the control platform 23, determines the strain value of the surface of the overlapped component through the FBG optical sensor, further determines the abutting position of the abutting column 18 and the bending degree of the rainbow bridge built between the plate frames 8, and transmits the monitored data to the control platform 23 in real time by contacting the extrusion stress sensor;

s4: the firefighter quickly climbs the pedal 8-2 to go to a rescue destination, and when climbing the pedal 8-2, the firefighter erects the upright rod 8-5, penetrates the positioning rod 8-6 through the through hole in the mounting frame and then is in threaded connection with the threaded blind hole 8-8, penetrates the through hole in the positioning rod 8-6 through a rod-shaped tool and then is screwed and fixed until reaching the upper plate frame 8;

s5: the life detection instrument 20 transmits the search result information to the fire fighters in real time, and the fire fighters take corresponding rescue measures according to actual conditions.

The invention aims to build an air channel aiming at a special scene so as to ensure the efficiency of rescue and production operation. When a scene needing rescue, such as an island in flood, high-rise trapped people and the like, is met, the invention can quickly and skillfully establish a safe space channel after data analysis so as to be convenient for firemen to take corresponding rescue measures to carry out rescue, realize the purposes of quick rescue, fire extinguishing, passing, crossing and the like on the premise of ensuring safety, and ensure the life and property safety of people as much as possible.

In addition, the invention also has certain practical value in the aspect of production operation, and when overhead bridging and overhead butt joint are needed, the equipment provided by the invention can help operators to quickly complete tasks.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the invention or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the invention as defined by the appended claims.