A kind of carbon-fibre wire cutting means for adjusting limit of movement
Technical field
The present invention relates to a kind of sawing servicing unit, particularly relate to a kind of wire cutting means for adjusting limit of movement.
Background technology
Carbon fiber composite conductor is a kind of high-strength carbon fiber compound electrical transmission line, comprises core body and the annular conductive layer that is wrapped in the core body periphery, and core body is conductive core or the composite conducting core body of carbon fiber as the base composition of take that carbon fiber forms.The annular conductive layer is by for copper, aluminium, aluminium alloy wire, closely surrounding the core body periphery and form.Generally go back the coated insulation layer in annular conductive layer periphery.Carbon fiber compound electrical transmission line is a kind of energy-saving capacity-improving conducting wires of brand new, multiplex in overhead transmission line, with conventional wires, compare, have lightweight, tensile strength is large, heat resistance is good, thermal coefficient of expansion is little, the high temperature sag is little, conductance is high, line loss is low, current-carrying capacity is large, corrosion resistance and good, be difficult for the series of advantages such as icing, comprehensively solved every technical bottleneck that the overhead power transmission field exists, represented the technology trends of following aerial condutor, contribute to construct safety, environmental protection, the efficient economizing power transmission network, can be widely used in old circuit and the transformation of power station bus capacity-increasing, new line is built, and can be used for large leap, large drop, heavy icing area, the circuit of the special climates such as high pollution and geographical occasion.Be applied in newly-built circuit, can improve the unit transmission capacity of circuit, guarantee the strong property of electrical network, long-range economy is better.Be applied in the transformation and increase-volume project of grid power transmission circuit, can utilize the facilities such as existing shaft tower, both increased substantially exponentially transmission capacity, can save channel resource again simultaneously, reduce the land seizure area, save investment, and the line outage time is short, loss of outage is little.Be applied in large cross line, can significantly reduce the height of crossover tower, thereby effectively reduce shaft tower and basic material usage, reach the purpose that reduces construction costs.Be applied in and re-cover in the circuit of ice formation, can improve the anti-ice ability, promote the security of circuit.In general, this be a kind of " environmentally friendly used for transmission line wire ", from protection of the environment, energy-saving and emission-reduction, improve the human ecological environment aspect, there is epoch-making realistic meaning.
Carbon fiber composite conductor in use, need to be cut its epidermis, cutting adopts Arm saw to carry out mostly, in the process of sawing, need the eye of employment to judge the wire depth of cut, this mode often causes the carbon fiber core body sustain damage and can't know, last carbon-fibre wire in use causes broken string and causes having a power failure on a large scale, also produces serious safety problem simultaneously.
Summary of the invention
For addressing the above problem, the invention provides a kind of carbon fiber core body impaired carbon-fibre wire in sawing process of avoiding and cut means for adjusting limit of movement.
The technical solution adopted for the present invention to solve the technical problems is: a kind of carbon-fibre wire cutting means for adjusting limit of movement, comprise two parallel studs that are located at the saw blade two ends, be equipped with vertically the draw-in groove of laying saw blade on two studs, the two ends of two studs are equipped with the nut of clamping saw blade, and the middle part of two studs is connected with the positive stop strip parallel with saw blade in a side of draw-in groove.
Be further used as the improvement of technical solution of the present invention, on two studs, between nut and saw blade, be provided with packing ring.
Be further used as the improvement of technical solution of the present invention, packing ring comprise plain washer and be located at plain washer and nut between spring washer.
Be further used as the improvement of technical solution of the present invention, the middle part of positive stop strip is provided with saw blade fastening device, the bolt that saw blade fastening device comprises the first shim and the second shim that is located at the saw blade both sides and is located at saw blade top and fastening the first shim and the second shim, the second shim is fixedly connected on the upside of positive stop strip.
Be further used as the improvement of technical solution of the present invention, the lower surface of the first shim is concordant with the bottom surface of positive stop strip.
Be further used as the improvement of technical solution of the present invention, be provided with the pad with the saw blade uniform thickness on bolt between the first shim and the second shim.
Beneficial effect of the present invention: the present invention in use, saw blade is placed in the draw-in groove of two studs, and adjust the position of saw blade in draw-in groove by the nut at studs two ends, according to the thickness of carbon-fibre wire epidermis, control the most advanced and sophisticated distance to the positive stop strip lower surface of saw blade land, make after saw blade cuts to designated depth, because stopping of positive stop strip avoids sawing excessively dark, thereby guarantee that the carbon fiber core body is without any damage, guarantee wire quality, guarantee electric power netting safe running.
The accompanying drawing explanation
Below in conjunction with accompanying drawing, the invention will be further described:
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is A-A place cutaway view in Fig. 1 of the embodiment of the present invention;
Fig. 3 is the saw blade fastening device structural representation of the embodiment of the present invention.
The specific embodiment
With reference to Fig. 1~Fig. 3, the invention provides a kind of carbon-fibre wire cutting means for adjusting limit of movement, comprise two parallel studs 2 that are located at saw blade 1 two ends, be equipped with vertically the draw-in groove 21 of laying saw blade 1 on two studs 2, the middle part that the two ends of two studs 2 are equipped with 22, two studs 2 of nut of clamping saw blade 1 is connected with the positive stop strip 23 parallel with saw blade 1 in a side of draw-in groove 21.
The present invention in use, saw blade 1 is placed in the draw-in groove 21 of two studs 2, and adjust the position of saw blade 1 in draw-in groove 21 by the nut 22 at studs 2 two ends, according to the thickness of carbon-fibre wire epidermis, control the most advanced and sophisticated distance to positive stop strip 23 lower surfaces of saw blade 1 land, make after saw blade 1 cuts to designated depth, because stopping of positive stop strip 23 avoids sawing excessively dark, thereby guarantee that the carbon fiber core body is without any damage, guarantee wire quality, guarantee electric power netting safe running; Wherein positive stop strip 23 is preferably 6 * 6 key bar.
As the preferred embodiment of the present invention, on two studs 2, at nut 22 and 1, saw blade, be provided with packing ring.
As the preferred embodiment of the present invention, packing ring comprises plain washer 24 and is located at plain washer 24 and the spring washer 25 of 22, nut.
The structure setting of plain washer 24 and spring washer 25 prevents the loosening of nut 22.
As the preferred embodiment of the present invention, the middle part of positive stop strip 23 is provided with saw blade fastening device 3, saw blade fastening device 3 comprises the first shim 31 and the second shim 32 that is located at saw blade 1 both sides and is located at saw blade 1 top and bolt 33, the second shims 32 of fastening the first shim 31 and the second shim 32 are fixedly connected on the upside of positive stop strip 23.
The second shim 32 is welded on the upside of positive stop strip 23, bolt 33 is through the second shim 32 and the first shim 31 screw-threaded engagement, saw blade 1 is close to the side of positive stop strip 23 by screwing bolt 33, the effect of saw blade fastening device 3 is: make saw blade 1 be adjacent to positive stop strip 23, guarantee the sawing dimensional accuracy at saw blade 1 middle part.
As the preferred embodiment of the present invention, the lower surface of the first shim 31 is concordant with the bottom surface of positive stop strip 23.
The lower surface of the first shim 31 is concordant with the bottom surface of positive stop strip 23, avoids in sawing process, for the impact of positive stop strip 23, also making the first shim 31 outside the effect with fastening saw blade 1, has the position-limiting action of same positive stop strip 23 concurrently.
As the preferred embodiment of the present invention, on bolt 33, at the first shim 31 and 32 of the second shims, be provided with the pad 34 with saw blade 1 uniform thickness.
Pad 34 adopts the saw blade heads to make, and thickness is identical with saw blade 1, and the arranging of pad 34 guarantees the stressed even of 32 of the first shim 31 and the second shims, avoids the first shim 31 and the second shim 32 because of unbalance stress, lateral deviation to occur after bolt 33 screws; In addition, bolt 33 and 32 of the second shims also are provided with flat shim and spring shim, prevent from becoming flexible.
The present invention makes simply, convenient and practical, can guarantee the construction and installation quality of carbon-fibre wire fully.
Certainly, the invention is not limited to above-mentioned embodiment, those of ordinary skill in the art also can make equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement all are included in the application's claim limited range.