阅读说明：本技术 一种可自动解锁的绳头装置 (Rope end device capable of being automatically unlocked ) 是由 郑家棋 于 2021-08-02 设计创作，主要内容包括：本发明公开了一种可自动解锁的绳头装置,本发明通过在连接组件内部设置舵机部件和外壳部件,舵机部件连接有插销,插销与外壳部件结构进行配合,不仅可以快速的开闭锁,还可以保证安全。同时设置缓冲组件,缓冲组件内部的保护仓部件和电池仓部件,保证了高空坠落不损坏,并且结构耐磨。另一方面,在结构中设置遥控发射模块与自动锁定解锁模块,在树木倒地的过程中装置能自动解开,工人可快速收回绳子,大幅提高树障清理工作效率以及节约工作成本,也使得砍树工作更加安全。(The invention discloses a rope head device capable of being unlocked automatically. Meanwhile, the buffering assembly is arranged, and the protection bin component and the battery bin component inside the buffering assembly guarantee that the high-altitude falling is not damaged and the structure is wear-resistant. On the other hand sets up remote control transmitting module and automatic locking and unlocking module in the structure, can untie automatically at the in-process device that trees fall over the ground, and the workman can regain the rope fast, improves the work efficiency of obstacles cleaning work and practices thrift working cost by a wide margin, also makes the work of cutting down trees safer.)

1. The utility model provides a rope end device that can automatic unblock which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

the connecting assembly (100) comprises a steering engine component (101) and a shell component (102), wherein the steering engine component (101) is connected with the shell component (102);

the buffer assembly (200) comprises a protection bin component (201) and a battery bin component (202), and the buffer assembly (200) is arranged outside the connecting assembly (100); and the number of the first and second groups,

the control module (300) comprises a remote control transmitting module (301) and an automatic locking and unlocking module (302), and the remote control transmitting module (301) is in wireless connection with the automatic locking and unlocking module (302).

2. The automatically unlockable cord end device of claim 1, wherein: the steering engine component (101) comprises a motion steering engine (103) and a cylindrical bolt (104), the tail of the motion steering engine (103) is connected with a steering engine arm (105), one end of the steering engine arm (105) is connected with the motion steering engine (103), and the other end of the steering engine arm is connected with the bolt (104).

3. The automatically unlockable cord end device of claim 2, wherein: the shell component (102) comprises a shell (106) and a connecting hole (107), the connecting hole (107) is arranged on the outer side of the shell (106), the connecting hole (107) comprises a bolt hole (107a) and a lock hole (107b), and the bolt hole (107a) and the lock hole (107b) are arranged in the opposite direction.

4. The automatically unlockable cord end device of claim 3, wherein: an O-shaped fixing bolt (108) is arranged on the outer side of the shell (106), the O-shaped fixing bolt (108) is in threaded connection with a bolt hole (107a) in the shell (106), and one end of an O-shaped structure of the O-shaped fixing bolt (108) is exposed out of the outer side of the shell (106).

5. The automatically unlockable cord end device of claim 4, wherein: the locking hole (107b) is movably connected with a splayed descending ring (109), one end of the splayed descending ring (109) extends into the locking hole (107b), and the bolt (104) penetrates through the splayed descending ring (109).

6. The automatically unlockable cord end device according to claim 2 or 5, wherein: the protection bin component (201) comprises buffer pads (203) and indicator lights (204), the buffer pads (203) are uniformly distributed on two sides of the interior of the shell (106), and the indicator lights (204) are arranged on one side of the buffer pads (203) and outside the shell (106).

7. The automatically unlockable cord end device of claim 6, wherein: the battery compartment component (202) comprises a control board (205) and an energy storage battery (206), the control board (205) and the energy storage battery (206) are arranged inside the shell (106), and the control board (205) is electrically connected with the energy storage battery (206) and the motion steering engine (103).

8. The automatically unlockable cord end device of claim 7, wherein: the battery compartment component (202) is in wireless connection with a remote controller (207), and the remote controller (207) is provided with an anti-interference antenna (208).

9. The automatically unlockable rope hitch device of any one of claims 1 or 8, further comprising: the remote control transmitting module (301) comprises a transmitting control switch (303), a pulse signal transmitting terminal (304) and a signal control terminal (305), wherein the transmitting control switch (303) is arranged inside the remote controller (207), and the signal control terminal (305) is arranged in the control panel (205).

10. The automatically unlockable cord end device of claim, wherein: the automatic locking and unlocking module (302) comprises a power switch (306) and a pulse signal receiving end (307), the power switch (306) controls the motion of the motion steering engine (103), and the pulse signal receiving end (307) receives signals from a pulse signal transmitting terminal (304) through an anti-interference antenna (208).

Technical Field

The invention relates to the technical field of power line tree obstacle clearing, in particular to a rope head device capable of being automatically unlocked.

Background

At present, the control measure of power line obstacles mainly uses artifical felling as the owner, often need be at trees waist with the rope at the felling in-process, thereby the direction that control trees were emptyd, avoid causing bodily injury and crops injury, trees fall after the ground, need the workman to walk to and manually untie the knot of tying on the tree in the tree heap, when falling the ground trees more, the knot can be pressed in the tree heap, inconvenience has been brought for the workman, can only cut the rope many times, thereby the waste and the economic loss of resource have been caused, in addition, at the in-process that gets into the tree heap and untie the knot, the branch that drops also can often scratch staff.

To the present situation, there are mainly three problems that need to be solved urgently:

1. the process of manually putting the rope on the tree and untying the rope after cutting down the tree wastes time and labor;

2. when the rope is pressed by a tree falling to the ground and cannot be untied, the rope needs to be cut off, so that economic loss is caused;

3. the felled trees are more and are easy to be injured when entering the tree pile.

Therefore, a device which can automatically untie the rope in the process of falling the tree to the ground, can retract the rope by workers and does not have the problems of rope cutting, rope untying injury and the like caused by the inconvenient untying of the rope end is particularly needed, so that the tree obstacle clearing work efficiency can be greatly improved, the work cost can be saved, and the tree cutting work is safer.

Disclosure of Invention

This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.

The invention is provided in view of the problems of the existing felling rope end device.

Therefore, the invention aims to provide the rope head device capable of automatically unlocking, which can greatly improve the work efficiency of removing tree obstacles, save the work cost and ensure that the tree cutting work is safer.

In order to solve the technical problems, the invention provides the following technical scheme: a rope head device capable of being automatically unlocked comprises a connecting assembly, wherein the connecting assembly comprises a steering engine component and a shell component, and the steering engine component is connected with the shell component; the buffer assembly comprises a protection bin component and a battery bin component, and is arranged on the outer side of the connecting assembly; and the control module comprises a remote control transmitting module and an automatic locking and unlocking module, and the remote control transmitting module is in wireless connection with the automatic locking and unlocking module.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the steering wheel part comprises a moving steering wheel and a cylindrical bolt, the tail part of the moving steering wheel is connected with a steering arm, one end of the steering arm is connected with the moving steering wheel, and the other end of the steering arm is connected with the bolt.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the shell part comprises a shell and a connecting hole, the connecting hole is formed in the outer side of the shell and comprises a bolt hole and a lock hole, and the bolt hole and the lock hole are reversely arranged.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the O-shaped fixing bolt is arranged on the outer side of the shell and in threaded connection with a bolt hole in the shell, and one end of an O-shaped structure of the O-shaped fixing bolt is exposed out of the outer side of the shell.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the lockhole swing joint has the splayed descending ring, splayed descending ring one end stretches into inside the lockhole, just the bolt passes the splayed descending ring.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the protection bin part comprises cushion pads and indicating lamps, the cushion pads are uniformly distributed on two sides of the inner portion of the shell, and the indicating lamps are arranged on one side of the cushion pads and are arranged outside the shell.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the battery compartment component comprises a control panel and an energy storage battery, the control panel and the energy storage battery are arranged inside the shell, and the control panel is electrically connected with the energy storage battery and the motion steering engine.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the battery compartment component is in wireless connection with a remote controller, and the remote controller is provided with an anti-interference antenna.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the remote control transmitting module comprises a transmitting control switch, a pulse signal transmitting terminal and a signal control terminal, wherein the transmitting control switch is arranged inside the remote controller, and the signal control terminal is arranged in the control panel.

As a preferable aspect of the automatically unlockable rope end device of the present invention, wherein: the automatic locking and unlocking module comprises a power switch and a pulse signal receiving end, the power switch controls the motion of the motion steering engine, and the pulse signal receiving end receives signals from a pulse signal transmitting terminal through an anti-interference antenna.

The invention has the beneficial effects that: according to the invention, the steering engine part and the shell part are arranged in the connecting assembly, the steering engine part is connected with the bolt, and the bolt is matched with the shell part structure, so that the quick locking and unlocking can be realized, and the safety can be ensured. Meanwhile, the buffering assembly is arranged, and the protection bin component and the battery bin component inside the buffering assembly guarantee that the high-altitude falling is not damaged and the structure is wear-resistant. On the other hand sets up remote control transmitting module and automatic locking and unlocking module in the structure, can untie automatically at the in-process device that trees fall over the ground, and the workman can regain the rope fast, improves the work efficiency of obstacles cleaning work and practices thrift working cost by a wide margin, also makes the work of cutting down trees safer.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic view of the overall structure of the automatically unlocking rope end device of the present invention.

Fig. 2 is a schematic view of the internal structure of the housing of the automatically unlockable rope end device of the present invention.

Fig. 3 is a schematic structural diagram of a steering engine component of the rope head device capable of automatically unlocking.

Fig. 4 is a schematic structural view of a remote controller of the rope end device capable of automatically unlocking according to the present invention.

Fig. 5 is a flow chart of a control module of the rope device capable of automatically unlocking according to the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Example 1

Referring to fig. 1 and 2, the rope hitch device capable of being unlocked automatically comprises a connecting assembly 100, a first connecting piece and a second connecting piece, wherein the connecting assembly 100 comprises a steering engine part 101 and a shell part 102, and the steering engine part 101 is connected with the shell part 102; the buffer assembly 200 comprises a protection bin component 201 and a battery bin component 202, and the buffer assembly 200 is arranged outside the connecting assembly 100; and the control module 300 comprises a remote control transmitting module 301 and an automatic locking and unlocking module 302, and the remote control transmitting module 301 is wirelessly connected with the automatic locking and unlocking module 302.

Specifically, the main structure of the present invention includes a connecting assembly 100, a buffering assembly 200 and a control module 300. In the operation of felling trees, the process of manually putting a tree rope on the trees and untying the rope after cutting down the trees wastes time and labor; when the rope is pressed by the trees falling to the ground and can not be untied, the rope needs to be cut off, and economic loss is caused. The connection assembly 100 is designed for this case, the connection assembly 100 comprises a steering engine part 101 and a housing part 102, and the steering engine part 101 is connected with the housing part 102. The connecting assembly 100 can be quickly opened and closed to connect the lock, and the problem of inconvenience in manual work is solved. The connection assembly 100 is provided with a plug structure inside to automatically switch and lock a connector connected with a rope under an electronic control. The housing member 102 is the main structure of the entire apparatus, and other structures are provided on the housing member 102.

Further, after the problem that the rope is not required to be frequently cut off is solved, the device is locked by a quick-acting switch in the using process, the ground can fall off, and the service life of the device is reduced, and the buffer assembly 200 is arranged outside the connecting assembly 100. The buffer assembly 200 comprises a protection bin component 201 and a battery bin component 202, and the falling device can be buffered and damped through the protection bin component 202 arranged inside, so that the device is prevented from being broken on the ground.

Furthermore, the rope can be automatically untied in the process of falling the tree to the ground, the worker can take back the rope at the moment, the problems that the rope is cut off due to the untidy rope head, the rope is damaged in the rope untieing process and the like are solved, and therefore the tree obstacle cleaning work efficiency can be greatly improved, and the work cost is saved. However, the control module 300 is required to be provided for automatic unlocking or remote control. In this embodiment, the control module 300 inside the device includes a remote control transmitting module 301 and an automatic locking and unlocking module 302, and the remote control transmitting module 301 is wirelessly connected with the automatic locking and unlocking module 302. A remote control transmitter 301 is provided inside the remote control and an automatic lock unlock module 302 is provided inside the housing part 102. The remote control achieves a quick switch-locking of the housing part 102 by cooperation of the two modules. The control module 300 ensures stable and normal operation when the remote control rope end device controls unlocking.

The operation process is as follows: the operator is before the operation of cutting down trees, it is fixed firm to utilize the rope to pass first housing part 102 to tie up, select suitable trees height again, it lives around trees to take the rope to surround the device, the inside interface of housing part 102 with through inside steering wheel part 101 locking, the device is tied up trees through the rope, the operator keeps away from trees to suitable position, the pulling trees, let trees empty according to the direction that oneself wanted, again trees fall before through remote control unit, let the rope head of locking is opened automatically to the coupling assembling 100 of device. At this time, the rope end device can fall to the ground by itself, and the buffer assembly 200 protects the falling rope end device from being damaged. The rope is untied in advance, so that the condition that the rope is pressed by fallen trees and cannot be untied cannot occur.

Example 2

Referring to fig. 2-4, this embodiment differs from the first embodiment in that: the steering engine component 101 comprises a motion steering engine 103 and a cylindrical bolt 104, a steering engine arm 105 is connected to the tail of the motion steering engine 103, one end of the steering engine arm 105 is connected with the motion steering engine 103, and the other end of the steering engine arm is connected with the bolt 104. The housing part 102 includes a housing 106 and a coupling hole 107, the coupling hole 107 being disposed outside the housing 106, the coupling hole 107 including a bolt hole 107a and a locking hole 107b, the bolt hole 107a being disposed opposite to the locking hole 107 b. An O-shaped fixing bolt 108 is provided on the outer side of the housing 106, the O-shaped fixing bolt 108 is screwed into a bolt hole 107a in the housing 106, and one end of an O-shaped structure of the O-shaped fixing bolt 108 is exposed to the outside of the housing 106. The locking hole 107b is movably connected with a splayed descending ring 109, one end of the splayed descending ring 109 extends into the locking hole 107b, and the bolt 104 passes through the splayed descending ring 109.

The protection bin part 201 comprises a buffer pad 203 and indicator lights 204, wherein the buffer pad 203 is uniformly distributed on two sides inside the shell 106, and the indicator lights 204 are arranged on one side of the buffer pad 203 and outside the shell 106. The battery compartment component 202 comprises a control board 205 and an energy storage battery 206, the control board 205 and the energy storage battery 206 are arranged inside the shell 106, and the control board 205 is electrically connected with the energy storage battery 206 and the motion steering engine 103. The battery compartment part 202 is wirelessly connected with a remote controller 207, and the remote controller 207 is provided with an anti-interference antenna 208.

Specifically, in this embodiment, the steering engine component 101 includes a motion steering engine 103 and a cylindrical bolt 104, a steering engine arm 105 is connected to the tail of the motion steering engine 103, one end of the steering engine arm 105 is connected to the motion steering engine 103, and the other end of the steering engine arm is connected to the bolt 104. The whole steering engine component 101 can realize that the rotary motion of the motion steering engine 103 is converted into the horizontal motion of the bolt 104 through a mechanical structure. The entire steering engine part 101 is arranged inside the housing part 102, and the structure of different areas of the housing part 102 performs different functions.

Further, the housing part 102 includes a housing 106 and a coupling hole 107, the coupling hole 107 is disposed outside the housing 106, the coupling hole 107 includes a bolt hole 107a and a locking hole 107b, and the bolt hole 107a is disposed opposite to the locking hole 107 b. Steering wheel part 101 sets up in shell 106 one side, and the opposite side sets up the power supply and provides the energy for motion steering wheel 103.

Furthermore, an O-shaped fixing bolt 108 is provided on the outer side of the housing 106, the O-shaped fixing bolt 108 is screwed into a bolt hole 107a in the housing 106, and one end of the O-shaped fixing bolt 108 is exposed to the outside of the housing 106. The locking hole 107b is movably connected with a splayed descending ring 109, one end of the splayed descending ring 109 extends into the locking hole 107b, and the bolt 104 passes through the splayed descending ring 109. The interface for binding the rope is a splayed descending ring 109, and after an O-shaped opening at the upper part of the splayed descending ring 109 is penetrated by a bolt 104, the whole rope head device is locked. The rope passes through one end of the O-shaped structure of the O-shaped fixing bolt 108 exposed outside the outer shell 106 after surrounding the trunk of the tree for a circle, and the whole tree is tied up and tightened.

Further, the protection bin part 201 comprises a buffer pad 203 and an indicator light 204, wherein the buffer pad 203 is uniformly distributed on two sides inside the shell 106, and the indicator light 204 is arranged on one side of the buffer pad 203 and outside the shell 106. The buffer pads 203 and the arc-shaped shell arranged on the two sides of the shell 106 prevent the rope head device from being damaged due to falling off the ground after the rope head is unlocked. Indicator light 204 can show rope end device switch lock condition, can also link with indicator light 204 of setting on the remote controller, and it is more convenient to let control.

Further, the battery compartment component 202 comprises a control board 205 and an energy storage battery 206, the control board 205 and the energy storage battery 206 are arranged inside the shell 106, and the control board 205 is electrically connected with the energy storage battery 206 and the motion steering engine 103. The battery compartment part 202 is wirelessly connected with a remote controller 207, and the remote controller 207 is provided with an anti-interference antenna 208. The energy storage battery 206 adopts a 12V lithium battery to solve the problem of power utilization of the control panel 205 and the motion steering engine 103. The battery compartment member 202 is disposed within one of the arcuate housings 106 so care must be taken to mount the upper and lower ends and to indicate the location on the arcuate housing 106 where the battery compartment member 202 is located. The housing 106 is further provided with a manual switch, so that when the rope end device is placed at a proper position, the switch of the rope end device can be manually locked without a remote controller but by pressing a button.

The rest of the structure is the same as in example 1.

The operation process is as follows: the operator first screws the O-ring 108 onto the housing 106 and then threads the rope through the O-ring 108. Then the rope head is bound on the splayed descending ring 109, one end of the splayed descending ring 109 is grasped and placed into the lock hole 107b with the downward opening of the shell 106, a button of the remote controller 207 is pressed, the control panel 205 of the motion steering engine 103 controls the motion steering engine 103, the motion steering engine 103 moves to drive the steering engine arm 105, one end of the steering engine arm 105 is connected with the connecting bolt 104, and the splayed descending ring 109 is tightly clamped by the connecting bolt 104. At this point, indicator light 204 on remote 207 is illuminated to indicate that it is locked.

Example 3

Referring to fig. 3-5, this embodiment differs from the above embodiments in that: the remote control transmission module 301 includes a transmission control switch 303, a pulse signal transmission terminal 304, and a signal control terminal 305, the transmission control switch 303 being provided inside the remote controller 207, and the signal control terminal 305 being provided inside the control board 205. The automatic locking and unlocking module 302 comprises a power switch 306 and a pulse signal receiving end 307, wherein the power switch 306 controls the motion of the motion steering engine 103, and the pulse signal receiving end 307 receives a signal from a pulse signal transmitting terminal 304 through an anti-interference antenna 208.

Specifically, the remote control transmission module 301 includes a transmission control switch 303, a pulse signal transmission terminal 304, and a signal control terminal 305, wherein the transmission control switch 303 is disposed inside the remote controller 207, and the signal control terminal 305 is disposed inside the control board 205. The automatic locking and unlocking module 302 comprises a power switch 306 and a pulse signal receiving end 307, wherein the power switch 306 controls the motion of the motion steering engine 103, and the pulse signal receiving end 307 receives a signal from a pulse signal transmitting terminal 304 through an anti-interference antenna 208.

In use, an operator presses the emission control switch 303 in the remote controller, the emission control switch 303 is connected with the pulse signal emission terminal 304, the pulse signal emission terminal 304 provides a signal to the signal control terminal 305, and the signal control terminal 305 controls the indicator lamp 204 to light up. Meanwhile, the pulse signal transmitting terminal 304 sends out a pulse signal, and the pulse signal is transmitted to the automatic locking and unlocking module 302 on the tree through the anti-interference antenna 208. The pulse signal receiving end 307 in the automatic locking and unlocking module 302 receives the pulse signal, the control panel 205 controls the motion of the motion steering engine 103, and the motion bolt 104 of the motion steering engine 103 can lock or unlock the bolt 104. The in-process that the control fag end device was fallen to the ground at this moment can untie automatically, and the workman alright this moment withdraws the rope, need not face again because of untiing the fag end conveniently cut the rope, untie the rope in-process injury scheduling problem, can improve the obstacles clearance work efficiency and practice thrift working cost by a wide margin like this, also make the work of cutting down the tree safer. Meanwhile, the rope device is also provided with a power switch 306 which can directly send a pulse signal to a pulse signal receiving end 307 to control the operation of the structure in the rope device.

The rest of the structure is the same as in example 2.

Meanwhile, a shell is required to be sleeved on the device to protect internal electronic elements and improve the attractiveness of the device, a high-strength and impact-resistant material is selected as a shell material of the device, and a wear-resistant and high-temperature-resistant coating is sprayed on the surface of the outer layer of the shell to prevent the coating from being damaged by the temperature generated by friction between the surface of the coating and a rough surface when the coating slides from a high place.

Furthermore, the device capable of opening and closing is adopted at the top of the device, so that equipment maintenance can be conveniently carried out from the top. The automatic lock head part further comprises a buffer device, a wear-resistant high-temperature-resistant coating is arranged on the surface of the buffer device, a shell with high ductility and high strength is selected as a material, a high-performance buffering energy-absorbing material is filled inside the shell, the buffer device is located at the top and the bottom of the device, and the buffer device is connected with the device main body through a spiral clamping groove or a buckle.

Different from the prior art, the device has simple structure and easy disassembly and assembly, and can adjust the position of the automatic unlocking device according to the specific condition of the thrown object.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.