Summary of the invention
In order to overcome the deficiency of prior art, the purpose of this invention is to provide a kind of shaft tower and use composite cable, it does not need the special-purpose stranded or stranded equipment of spiral of SZ.The present invention adopts following technical scheme to realize:
A kind of shaft tower is used composite cable, and it includes: light unit, electric unit, protective layer 2 and outer jacket 1; Protective layer 2 is coated on outside light unit and the electric unit, and outer jacket 1 is coated on outside the protective layer 2; It is characterized in that: said smooth unit and electric unit stack with range upon range of mode and extend along the axially parallel of cable; And be positioned within the protective layer 2, said smooth unit pack contains: light element and periphery or integral coating are lived first sheath 4 of light element; Said light element is for being no less than two, and light element is arranged in parallel in first sheath; Said electric unit includes: conductive unit and periphery or integral coating are lived second sheath 3 of conductive unit; Said conductive unit is for being no less than two, and conductive unit is arranged in parallel in second sheath.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: said light element by optical fiber 43, envelope optical fiber coating 42, envelope that the tack coat 41 of coating 42 forms.
Further, above-mentioned described shaft tower is used composite cable, it is characterized in that: said light element by optical fiber 43, envelope that the coating 42 of optical fiber forms.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: said conductive unit by conductor 32, envelope the forming of insulating barrier 31 of conductor.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: said conductor 32 is for single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of thin copper wire or by the many stranded aluminium wire bundles that form of thin aluminium wire.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: the material of said insulating barrier 31 is flame-proof PVC or low smoke and zero halogen polyethylene.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: the material of said outer jacket 1 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: said protective layer 2 is waterstop or nonwoven fabrics or compound aluminium strip or composite steel band or glass fiber tape.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: the material of said second sheath 3 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or flame-proof PVC.
Above-mentioned described shaft tower is used composite cable, it is characterized in that: the material of said first sheath 4 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or flame-proof PVC.
A kind of above-mentioned said shaft tower is characterized in that comprising following steps with the manufacturing approach of composite cable:
The first step: true qualities optical fiber is carried out painted, form colored optical fiber: at optical fiber extrinsic color UV cured printing ink, ink coating thickness is more than or equal to 2.5 microns, and smaller or equal to 7.5 microns; Diameter behind the said optical fiber coloring is 250 microns to 260 microns;
Second step: secondary coated: colored optical fiber is put into the coating of polybutylene terephthalate or polypropylene material, and colored optical fiber is loose in coating, and the 1.002-1.005 that its length is coating length doubly; Extrude and accomplish to form light element and be coiled on the tool;
The 3rd step: repeatedly the first step to the second step, production is accomplished the light element of requirement and is coiled on the tool;
The 4th step: form the light unit: above-mentioned many light elements that obtain are placed abreast, and first sheath on the extrusion molding outside; Said first sheath be periphery coat or integral coating on light element, extrusion molding is accomplished and is formed the light unit and also be coiled on the tool;
The 5th step: the extruding of insulating barrier: the stranded aluminium wire bundle outside that forms extrudes insulating barrier at single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of copper wire or by multiple aluminium wire, and the material of said insulating barrier is flame-proof PVC or low smoke and zero halogen polyethylene; Extrude and accomplish to form conductive unit and be coiled on the tool;
The 6th step: repeated for the 5th step, the conductive unit of formation requirement also is coiled on the tool;
The 7th step: form electric unit: the 5th step and the 6th is gone on foot the conductive unit that obtains place abreast, and second sheath on the extrusion molding outside; Said second sheath be periphery coat or integral coating on conductive unit, extrusion molding is accomplished and is formed electric unit and also be coiled on the tool;
The 8th step: stranding:
At first: the fixed-site parts are emitted and passed respectively to light unit, electric unit from the dish tool, pass the circular hole of shaping dies again;
Then: graining device is emitted and passed to compound aluminium strip or composite steel band protective layer from the dish tool; Pass the fixed-site parts again; Then pass the location notch of shaping dies, the circular hole and the stretching of passing shaping dies then make light unit, electric unit be positioned at compound aluminium strip or composite steel band; Formation includes the cable core of light unit, electric unit;
Then: cable core is passed plug die, pass the core rod of outer jacket plastic extruding machine again, pass through tank, traction wheel again, on the dish tool, form composite cable at last.
A kind of shaft tower is characterized in that comprising following steps with the manufacturing approach of composite cable:
The first step: true qualities optical fiber is carried out painted, form colored optical fiber: at optical fiber extrinsic color UV cured printing ink, ink coating thickness is more than or equal to 2.5 microns, and smaller or equal to 7.5 microns; Diameter behind the said optical fiber coloring is 250 microns to 260 microns;
Second step: secondary coated: colored optical fiber is put into aramid yarn or polyamide staple fibre spun yarn is the coating of material, will outside coating, coat tack coat; Coating surrounds colored optical fiber fully; Be covered to complete and form light element and be coiled on the tool;
The 3rd step: repeatedly the first step to the second step, production is accomplished the light element of requirement and is coiled on the tool;
The 4th step: form the light unit: above-mentioned many light elements that obtain are placed abreast, and first sheath on the extrusion molding outside; Said first sheath be periphery coat or integral coating on light element, extrusion molding is accomplished and is formed the light unit and also be coiled on the tool;
The 5th step: the extruding of insulating barrier: the stranded aluminium wire bundle outside that forms extrudes insulating barrier at single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of copper wire or by multiple aluminium wire, and the material of said insulating barrier is flame-proof PVC or low smoke and zero halogen polyethylene; Extrude and accomplish to form conductive unit and be coiled on the tool;
The 6th step: repeated for the 5th step, the conductive unit of formation requirement also is coiled on the tool;
The 7th step: form electric unit: the 5th step and the 6th is gone on foot the conductive unit that obtains place abreast, and second sheath on the extrusion molding outside; Said second sheath be periphery coat or integral coating on conductive unit, extrusion molding is accomplished and is formed electric unit and also be coiled on the tool;
The 8th step: stranding:
At first: the fixed-site parts are emitted and passed respectively to light unit, electric unit from the dish tool, pass the circular hole of shaping dies again;
Then: graining device is emitted and passed to compound aluminium strip or composite steel band protective layer from the dish tool; Pass the fixed-site parts again; Then pass the location notch of shaping dies, the circular hole and the stretching of passing shaping dies then make light unit, electric unit be positioned at compound aluminium strip or composite steel band; Formation includes the cable core of light unit, electric unit;
Then: cable core is passed plug die, pass the core rod of outer jacket plastic extruding machine again, pass through tank, traction wheel again, on the dish tool, form composite cable at last.
A kind of one-tenth cable device that is used for the stranding step of above-mentioned said manufacturing approach is characterized in that: it includes and is arranged in order: a protective layer discharge device 11, a graining device 15, at least one smooth unit or electric unit discharge device 20, a position fixing apparatus 21, a building mortion 23, a sizing device 52, an outer jacket plastic extruding machine, tank, traction wheel; But on the said protective layer discharge device 11 fixed disk around/withdraw from the dish tool 12 of protective layer, and this dish tool is rotary; The running roller 14 that includes a pair of band gear in the said graining device 15, held and adjustable gaps each other are whole on the running roller; Be fixed with the dish tool 16/ that coils/withdraw from the light unit and the dish tool 17 of electric unit on said smooth unit or the electric unit discharge device 20, and coil/withdraw from the dish tool 17 of dish tool 16, the electric unit of light unit can be around its rotation; The top of said position fixing apparatus 21 has a fixing head 22, and a plurality of holes of passing light unit and electric unit are arranged on the fixing head; Said building mortion 23 upper surfaces are fixed with a shaping dies 25 with retaining element 29; The shaping dies front end has one to supply protective layer to pass square hole 24; The bottom surface 28 at shaping dies middle part is cylindrically to form after vertically cuing open part; The shaping dies rear end is a cylinder 27, and there is the circular hole 26 of perforation these cylinder 27 inside, and square hole 24 passes bottom surface 28 and communicates with circular hole 26; Said diameter-setting equipment 52 upper ends are fixed with sizing mould 53, and a metering hole 51 is arranged in the middle of the sizing mould 53.
Among the present invention, because light element and conductive unit stack and along the axially parallel extension of cable with range upon range of, and all in protective layer 2; Therefore not only can transmit light but also can transmit electricity in the same cable, and stranded owing to not needing, so production equipment is simple; Be prone to produce, product qualified rate is high.
Do not adopt SZ stranding device and spiral stranding device in the inventive method and the device, the formation of its cable core is becoming once completion on the cable device, and therefore, equipment is quite simple, and production process has reduced, and the cost of equipment has reduced, and the production time has shortened.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1 to embodiment 4 is the embodiment of product of the present invention, and embodiment 5 is a kind of manufacturing approach of the present invention with embodiment 6.
Embodiment 1
See also Fig. 1, Fig. 2, a kind of shaft tower is used composite cable, and it includes: light unit, electric unit, protective layer 2 and outer jacket 1; Protective layer 2 is coated on outside light unit and the electric unit, and outer jacket 1 is coated on outside the protective layer 2; It is characterized in that: said smooth unit and electric unit stack with range upon range of mode and extend along the axially parallel of cable; And be positioned within the protective layer 2, said smooth unit pack contains: by optical fiber 43, envelope optical fiber coating 42, envelope first sheath 4 that light element that the tack coat 41 of coating 42 forms and periphery envelope light element; Said light element is two, and light element is arranged in parallel in first sheath; Said electric unit includes: by conductor 32, envelope the conductive unit of forming and second sheath 3 that periphery envelopes conductive unit of the insulating barrier 31 of conductor; Said conductive unit is two, and conductive unit is arranged in parallel in second sheath.
The material of above-mentioned described coating 42 is aramid yarn or polyamide staple fibre spun yarn.
The material of above-mentioned described tack coat 41 is PVC.
Embodiment 2
See also Fig. 3, Fig. 4, a kind of shaft tower is used composite cable, and it includes: light unit, electric unit, protective layer 2 and outer jacket 1; Protective layer 2 is coated on outside light unit and the electric unit, and outer jacket 1 is coated on outside the protective layer 2; It is characterized in that: said smooth unit and electric unit stack with range upon range of mode and extend along the axially parallel of cable; And be positioned within the protective layer 2, said smooth unit pack contains: by optical fiber 43, envelope first sheath 4 that light element that the coating 42 of optical fiber forms and periphery envelope light element; Said light element is two, and light element is arranged in parallel in first sheath; Said electric unit includes: by conductor 32, envelope the conductive unit of forming and second sheath 3 that periphery envelopes conductive unit of the insulating barrier 31 of conductor; Said conductive unit is two, and conductive unit is arranged in parallel in second sheath.
The material of above-mentioned described coating 42 is polybutylene terephthalate or polypropylene.
Embodiment 3
See also Fig. 1 and combine Fig. 5, a kind of shaft tower is used composite cable, and it includes: light unit, electric unit, protective layer 2 and outer jacket 1; Protective layer 2 is coated on outside light unit and the electric unit, and outer jacket 1 is coated on outside the protective layer 2; It is characterized in that: said smooth unit and electric unit stack with range upon range of mode and extend along the axially parallel of cable; And be positioned within the protective layer 2, said smooth unit pack contains: by optical fiber 43, envelope optical fiber coating 42, envelope first sheath 4 that light element that the tack coat 41 of coating 42 forms and integral coating are lived light element; Said light element is two, and light element is arranged in parallel in first sheath; Said electric unit includes: by conductor 32, envelope the conductive unit of forming and second sheath 3 that integral coating is lived conductive unit of the insulating barrier 31 of conductor; Said conductive unit is two, and conductive unit is arranged in parallel in second sheath.
The material of above-mentioned described coating 42 is aramid yarn or polyamide staple fibre spun yarn.
The material of above-mentioned described tack coat 41 is PVC.
Embodiment 4
See also Fig. 3 and combine Fig. 6, see also Fig. 3, Fig. 4, a kind of shaft tower is used composite cable, and it includes: light unit, electric unit, protective layer 2 and outer jacket 1; Protective layer 2 is coated on outside light unit and the electric unit, and outer jacket 1 is coated on outside the protective layer 2; It is characterized in that: said smooth unit and electric unit stack with range upon range of mode and extend along the axially parallel of cable; And be positioned within the protective layer 2, said smooth unit pack contains: by optical fiber 43, envelope first sheath 4 that light element that the coating 42 of optical fiber forms and integral coating are lived light element; Said light element is two, and light element is arranged in parallel in first sheath; Said electric unit includes: by conductor 32, envelope the conductive unit of forming and second sheath 3 that integral coating is lived conductive unit of the insulating barrier 31 of conductor; Said conductive unit is two, and conductive unit is arranged in parallel in second sheath.
The material of above-mentioned described coating 42 is polybutylene terephthalate or polypropylene.
Certainly, the light element described in above-mentioned arbitrary embodiment can be for more than two situation, and light element is arranged in parallel in first sheath.
Certainly, the conductive unit described in above-mentioned arbitrary embodiment can be for more than two situation, and conductive unit is arranged in parallel in second sheath.
Certainly; Shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: said conductor 32 is for single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of thin copper wire or by the many stranded aluminium wire bundles that form of thin aluminium wire.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: the material of said insulating barrier 31 is flame-proof PVC or low smoke and zero halogen polyethylene.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: the material of said outer jacket 1 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: said protective layer 2 is waterstop or nonwoven fabrics or compound aluminium strip or composite steel band or glass fiber tape.
Further, above-mentioned described shaft tower is used composite cable, it is characterized in that: when protective layer 2 is compound aluminium strip or composite steel band, on compound aluminium strip or the composite steel band embossing is arranged.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: the material of said second sheath 3 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or flame-proof PVC.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: the material of said first sheath 4 is medium density polyethylene or high density polyethylene (HDPE) or low smoke and zero halogen polyethylene or flame-proof PVC.
Certainly, the shaft tower described in above-mentioned arbitrary embodiment is used composite cable, it is characterized in that: said optical fiber be the single mode type or the multimode type.
Fig. 7 is the sketch map of a kind of application of the present invention, and shaft tower 6 is fixed on the base 5, and the shaft tower bottom periphery is by 7 supports of strutting piece; The top of shaft tower is equipped with workbench 8; Vertical rod 81 is arranged on the work top, fixing between the vertical rod 81 through cross bar 82 connections, be placed with the light/electric equipment that needs on the work top; The outer jacket 1 of cable of the present invention begins along shaft tower fixing downwards from light/electric equipment, and in the cross-connecting box 9 below final the entering.
Among the present invention, therefore no ointment class filler, does not exist the drippage problem of ointment under situation about vertically laying, make environment cleaner.
Among the present invention, when protective layer was compound aluminium strip or composite steel band, it can ground connection, guarantees the safety under the thunder and lightning situation effectively.
Among the present invention, the first sheath integral coating is lived light element and the second sheath integral coating and is lived the execution mode of conductive unit and make more compact structure; The first sheath periphery envelopes consumption that execution mode that light element and the second sheath periphery envelope conductive unit makes first sheath or second sheath still less, simultaneously, makes the conductive unit heat dispersion better.
Among the present invention, because light element and conductive unit stack and along the axially parallel extension of cable with range upon range of, and all in protective layer 2; Therefore not only can transmit light but also can transmit electricity in the same cable, and stranded owing to not needing, so production equipment is simple; Be prone to produce, product qualified rate is high.
Embodiment 5
A kind of shaft tower is characterized in that comprising following steps with the manufacturing approach of composite cable:
The first step: true qualities optical fiber is carried out painted, form colored optical fiber: at optical fiber extrinsic color UV cured printing ink, ink coating thickness is more than or equal to 2.5 microns, and smaller or equal to 7.5 microns; Diameter behind the said optical fiber coloring is 250 microns to 260 microns;
Second step: secondary coated: colored optical fiber is put into the coating of polybutylene terephthalate or polypropylene material, and colored optical fiber is loose in coating, and the 1.002-1.005 that its length is coating length doubly; Extrude and accomplish to form light element and be coiled on the tool;
The 3rd step: repeatedly the first step to the second step, production is accomplished the light element of requirement and is coiled on the tool;
The 4th step: form the light unit: above-mentioned many light elements that obtain are placed abreast, and first sheath on the extrusion molding outside; Said first sheath be periphery coat or integral coating on light element, extrusion molding is accomplished and is formed the light unit and also be coiled on the tool;
The 5th step: the extruding of insulating barrier: the stranded aluminium wire bundle outside that forms extrudes insulating barrier at single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of copper wire or by multiple aluminium wire, and the material of said insulating barrier is flame-proof PVC or low smoke and zero halogen polyethylene; Extrude and accomplish to form conductive unit and be coiled on the tool;
The 6th step: repeated for the 5th step, the conductive unit of formation requirement also is coiled on the tool;
The 7th step: form electric unit: the 5th step and the 6th is gone on foot the conductive unit that obtains place abreast, and second sheath on the extrusion molding outside; Said second sheath be periphery coat or integral coating on conductive unit, extrusion molding is accomplished and is formed electric unit and also be coiled on the tool;
The 8th step: stranding:
At first: the fixed-site parts are emitted and passed respectively to light unit, electric unit from the dish tool, pass the circular hole of shaping dies again;
Then: graining device is emitted and passed to compound aluminium strip or composite steel band protective layer from the dish tool; Pass the fixed-site parts again; Then pass the location notch of shaping dies, the circular hole and the stretching of passing shaping dies then make light unit, electric unit be positioned at compound aluminium strip or composite steel band; Formation includes the cable core of light unit, electric unit;
Then: cable core is passed plug die, pass the core rod of outer jacket plastic extruding machine again, pass through tank, traction wheel again, on the dish tool, form composite cable at last.
Embodiment 6
A kind of shaft tower is characterized in that comprising following steps with the manufacturing approach of composite cable:
The first step: true qualities optical fiber is carried out painted, form colored optical fiber: at optical fiber extrinsic color UV cured printing ink, ink coating thickness is more than or equal to 2.5 microns, and smaller or equal to 7.5 microns; Diameter behind the said optical fiber coloring is 250 microns to 260 microns;
Second step: secondary coated: colored optical fiber is put into aramid yarn or polyamide staple fibre spun yarn is the coating of material, will outside coating, coat tack coat; Coating surrounds colored optical fiber fully; Be covered to complete and form light element and be coiled on the tool;
The 3rd step: repeatedly the first step to the second step, production is accomplished the light element of requirement and is coiled on the tool;
The 4th step: form the light unit: above-mentioned many light elements that obtain are placed abreast, and first sheath on the extrusion molding outside; Said first sheath be periphery coat or integral coating on light element, extrusion molding is accomplished and is formed the light unit and also be coiled on the tool;
The 5th step: the extruding of insulating barrier: the stranded aluminium wire bundle outside that forms extrudes insulating barrier at single copper wire or single aluminium wire or single copper-clad aluminium wire or by the many stranded copper wire bundles that form of copper wire or by multiple aluminium wire, and the material of said insulating barrier is flame-proof PVC or low smoke and zero halogen polyethylene; Extrude and accomplish to form conductive unit and be coiled on the tool;
The 6th step: repeated for the 5th step, the conductive unit of formation requirement also is coiled on the tool;
The 7th step: form electric unit: the 5th step and the 6th is gone on foot the conductive unit that obtains place abreast, and second sheath on the extrusion molding outside; Said second sheath be periphery coat or integral coating on conductive unit, extrusion molding is accomplished and is formed electric unit and also be coiled on the tool;
The 8th step: stranding:
At first: the fixed-site parts are emitted and passed respectively to light unit, electric unit from the dish tool, pass the circular hole of shaping dies again;
Then: graining device is emitted and passed to compound aluminium strip or composite steel band protective layer from the dish tool; Pass the fixed-site parts again; Then pass the location notch of shaping dies, the circular hole and the stretching of passing shaping dies then make light unit, electric unit be positioned at compound aluminium strip or composite steel band; Formation includes the cable core of light unit, electric unit;
Then: cable core is passed plug die, pass the core rod of outer jacket plastic extruding machine again, pass through tank, traction wheel again, on the dish tool, form composite cable at last.
See also Fig. 8; A kind of one-tenth cable device of stranding step of the manufacturing approach that is used for embodiment 5 or embodiment 6 is characterized in that: it includes and is arranged in order: a protective layer discharge device 11, a graining device 15, at least one smooth unit or electric unit discharge device 20, a position fixing apparatus 21, a building mortion 23, a sizing device 52, an outer jacket plastic extruding machine, tank, traction wheel; But on the said protective layer discharge device 11 fixed disk around/withdraw from the dish tool 12 of protective layer, and this dish tool is rotary; The running roller 14 that includes a pair of band gear in the said graining device 15, held and adjustable gaps each other are whole on the running roller; Be fixed with the dish tool 16/ that coils/withdraw from the light unit and the dish tool 17 of electric unit on said smooth unit or the electric unit discharge device 20, and coil/withdraw from the dish tool 17 of dish tool 16, the electric unit of light unit can be around its rotation; The top of said position fixing apparatus 21 has a fixing head 22, and a plurality of holes of passing light unit and electric unit are arranged on the fixing head; Said building mortion 23 upper surfaces are fixed with a shaping dies 25 with retaining element 29; The shaping dies front end has one to supply protective layer to pass square hole 24; The bottom surface 28 at shaping dies middle part is cylindrically to form after vertically cuing open part; The shaping dies rear end is a cylinder 27, and there is the circular hole 26 of perforation these cylinder 27 inside, and square hole 24 passes bottom surface 28 and communicates with circular hole 26; Said diameter-setting equipment 52 upper ends are fixed with sizing mould 53, and a metering hole 51 is arranged in the middle of the sizing mould 53.
Compound aluminium strip or composite steel band 13 as protective layer withdraw from from coiling tool 12, and draw in the middle of two running rollers 14 and pass, and then traction is passed square hole 24 and passed bottom surface 28 again, and draws and pass circular hole 26, is configured as circle; On the other hand, light unit 18 emits and passes the hole of fixing head top from coiling tool 16, and electric unit 19 is emitted the hole of passing the fixing head below from dish tool 17, and like this, the position of light unit and electric unit just has been fixed, and is that range upon range of mode is passed; This duplexer was drawn bottom surface 28, and traction is passed circular hole 26 and is let duplexer in the protective layer that is shaped, pass again; So just formed the preform cable core; The metering hole 51 that the traction cable core passes in the middle of the sizing mould 53 has promptly been accomplished sizing, and the cable core behind the sizing is drawn the core rod that passes the outer jacket plastic extruding machine, passes through tank, traction wheel again, on the dish tool, forms composite cable at last.
Obviously, do not adopt SZ stranding device and spiral stranding device in the inventive method and the device, the formation of its cable core is becoming once completion on the cable device; Therefore, equipment is quite simple, and production process has reduced; The cost of equipment has reduced, and the production time has shortened.
The present invention is not limited to above-mentioned preferred forms, should be appreciated that design of the present invention can be by other various forms enforcement utilizations, and they drop in protection scope of the present invention equally.