CN101330199A - Tension balancer for overhead line - Google Patents
Tension balancer for overhead line Download PDFInfo
- Publication number
- CN101330199A CN101330199A CNA2007101426143A CN200710142614A CN101330199A CN 101330199 A CN101330199 A CN 101330199A CN A2007101426143 A CNA2007101426143 A CN A2007101426143A CN 200710142614 A CN200710142614 A CN 200710142614A CN 101330199 A CN101330199 A CN 101330199A
- Authority
- CN
- China
- Prior art keywords
- cable
- tension force
- overhead wire
- mentioned
- guiding groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60M—POWER SUPPLY LINES, AND DEVICES ALONG RAILS, FOR ELECTRICALLY- PROPELLED VEHICLES
- B60M1/00—Power supply lines for contact with collector on vehicle
- B60M1/12—Trolley lines; Accessories therefor
- B60M1/26—Compensation means for variation in length
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
- H02G1/04—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables for mounting or stretching
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
- H02G7/02—Devices for adjusting or maintaining mechanical tension, e.g. take-up device
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
- Springs (AREA)
Abstract
The present invention provides a tensioning balancer for overhead wire, which can absorb the expansion of a overhead wire and hold the tensioning of the overhead wire to a certainty, can be realized only by maintaining timely, has good permanent stability, and can avoid generating tension force from unbalance caused by external causes. The tensioning balancer for overhead wire comprises: a tension force transformation pulley (2) forming with a first cable leading trough (6) and a second cable leading trough (7) with changeable diameter, a first cable (10) coiled in the first cable leading trough (6), a second cable (11) coiled in the second cable leading trough (7), and a coil spring (4) applying force on a axial displacement component to the opposite side of one end of the second cable (11), expansion amount of the overhead wire is absorbed by the expending action of the coil spring (4) with the rotation of the tension force transformation pulley (2).
Description
Technical field
The tension force that the present invention relates to be used for setting up skyborne overhead wire remains certain tension balancer for overhead line.
Background technology
In overhead wire, particularly contact line (suspension bracket ceases to be busy, auxiliary ceiling suspension ceases to be busy, contact line), flexible and the creep that causes because of variations in temperature, the elastic elongation that causes because of the wearing and tearing of contact line, the supporter inclination that also has timeliness all the year round to change to cause etc., tension and relaxation degree tension force is affected.Therefore, the tension force of contact line need be remained necessarily, require automatically to carry out its tension adjustment, non-maintainingization.
Therefore, in the past since, the tension balancer for overhead line of the variety of way of pulley-type, spring, gas type, hydraulic type etc. has been proposed.Wherein, in pulley-type, cable is guided by pulley via the porcelain insulator that is attached on the overhead wire, hangs the weight of multi-disc iron plate system stacked the dangling of this cable end.By this weight of heavy, can apply certain force of strain so that overhead wire can not relax to this overhead wire.
Above-mentioned spring constitutes, and in being arranged to a plurality of cartridges of sleeve-like, will be in inboard cartridge respectively to the shrinkage direction application of force by the collapse coil spring.Make overhead wire can not relax (for example, with reference to patent documentation 1) by this collapse coil spring flexible.
In gas type, compressibility gas is sealing in the gas compartment that is divided in cylinder by piston, corresponding to piston rod in cylinder discrepancy and gas pressure guiding is pressurization or negative pressure the above-mentioned overhead wire that is attached at tailpiece of the piston rod not to be relaxed.
In addition, in hydraulic type, action oil is sealing into by piston in indoor two grease chambeies that are divided into of cylinder, correspondingly above-mentioned action oil is supplied to another grease chamber via valve from a grease chamber by discrepancy action, the above-mentioned overhead wire that is attached at tailpiece of the piston rod can not relaxed with the flexible piston rod that is accompanied by overhead wire.
The real public clear 39-19536 communique of [patent documentation 1] Japan
But, in the tension balancer of the built on stilts special use of above-mentioned pulley-type, can rotate the bearing of axial region damage, that dust produces the performance of bringing is bad, and is used for finding in advance that the periodic maintenance of cable broken string is indispensable.And then, the influence of external cause (snowfall, accumulated snow, icing) is arranged, for example the balance of tension force is compromised, and can be accompanied by the problem of the mobile grade of overhead wire in the sharp gradient interval.
Summary of the invention
The present invention makes in order to eliminate problem in the past as described above, purpose is to obtain a kind of tension balancer for overhead line, this tension balancer for overhead line is by the simple combination of tension force conversion pulley and coil spring, just can be when absorbing overhead wire flexible the tensioning of this overhead wire be remained necessarily, and only just it can be realized, and durability is good, the generation that can avoid causing because of external cause tension imbalance by in good time maintenance.
In order to achieve the above object, relevant tension balancer for overhead line of the present invention, be that the tension force of coil spring is imposed on overhead wire, the tension force of overhead wire is remained necessarily via the tension force conversion pulley that possesses the spiral helicine guiding groove that diameter changes successively, it is characterized in that
Has following structure, be attached at the cable in the guiding groove that is wound on tension force conversion pulley on the coil spring by an end, the tension force of coil spring is passed to tension force conversion pulley as revolving force, the revolving force that passes to this tension force conversion pulley is transformed to tension force and imposes on overhead wire, and make the positive and negative rotation of tension force conversion pulley by overhead wire flexible;
By make the positive and negative rotation of tension force conversion pulley by this overhead wire flexible, the spiral helicine guiding groove that the position of the cable of being reeled is changed by diameter successively guides and changes, the diameter of pulley of the position of the cable of being reeled changes thus, even and the tension variation of coil spring, in tension force conversion pulley, also roughly exported to homogenizing, and imposed on overhead wire.
According to this structure, tension force conversion pulley possesses the spiral helicine guiding groove that diameter changes successively, and the cable that an end is attached on the coil spring is winding in the guiding groove of tension force conversion pulley.Therefore, coil spring passes to tension force conversion pulley by the stretching cable as revolving force, and this revolving force is transformed to tension force and imposes on overhead wire.The stroke of overhead wire is absorbed by the stretching motion of the coil spring of the rotation that is accompanied by tension force conversion pulley, if but this coil spring is flexible, the tension variation of coil spring then.But, by make the positive and negative rotation of tension variation pulley by overhead wire flexible, the spiral helicine guiding groove that the position of the cable of being reeled is changed by diameter successively guides and changes, thus, the diameter of pulley of the position of the cable of being reeled changes, so, even the tension variation of coil spring also can roughly impose on to homogenizing overhead wire in tension force conversion pulley thus.
In addition, relevant tension balancer for overhead line of the present invention is that the tension force that is used for setting up skyborne overhead wire remains certain tension balancer for overhead line, it is characterized in that,
Possess:
Coil spring applies tension force to overhead wire;
Tension force conversion pulley is arranged with that to possess diameter be the 1st sheave portion of certain spiral helicine the 1st cable guiding groove and the 2nd sheave portion that possesses spiral helicine the 2nd cable guiding groove that diameter changes successively, and the mutual guiding groove hand of spiral is formed mutually on the contrary;
The 1st cable is reeled along the 1st cable guiding groove of above-mentioned the 1st sheave portion, and an end is fixed on the part of the 1st cable guiding groove, and the other end is attached at the overhead wire side; And
The 2nd cable is reeled along the 2nd cable guiding groove of above-mentioned the 2nd sheave portion, and an end is fixed on the part of the 2nd cable guiding groove, and the other end is attached on the above-mentioned coil spring, is applied in tension force;
The expanding-contracting action of the above-mentioned coil spring of the rotation by being accompanied by mentioned strain conversion pulley, absorb the stroke of above-mentioned overhead wire, and make the positive and negative rotation of tension force conversion pulley and the position of the 2nd cable of being reeled is subjected to spiral helicine the 2nd cable guiding groove guiding that diameter changes successively and changes by overhead wire flexible, thus, the diameter of pulley of the position of the 2nd cable of being reeled changes, the variation of tension force that is accompanied by the flexible coil spring of overhead wire is roughly outputed to homogenizing on the 1st cable that is wound in the 1st cable guiding groove, and impose on overhead wire.
By this structure, because applied the 2nd cable of tension force is wound onto in the 2nd cable guiding groove of the 2nd sheave portion by coil spring, so the tension force of coil spring is used as the revolving force that makes its rotation and passes to tension force conversion pulley, on the other hand, because the 1st cable that an end is attached on the overhead wire is wound onto in the 1st pulley guiding groove of the 1st sheave portion, the 1st cable guiding groove and the 2nd cable guiding groove hand of spiral (coiling direction) are formed mutually on the contrary, are passed to overhead wire from this tension force conversion pulley via the 1st cable as tension force so the tension force of coil spring is delivered to the above-mentioned revolving force of tension force conversion pulley via the 2nd cable.Therefore, overhead wire always is held with certain force of strain under the tension force effect of coil spring, and owing to the tension force of coil spring acts on the tension force conversion pulley as revolving force, so, if overhead wire is flexible, then corresponding with it the positive and negative rotation of tension force conversion pulley is involved in the 1st cable or debatching, if and overhead wire is flexible, then corresponding with it, the positive and negative rotation of tension force conversion pulley is by this rotation, make coil spring flexible via the 2nd cable, absorb the stroke of overhead wire.In addition, if overhead wire is flexible, then coil spring is flexible as described above, so the tension force of coil spring (spring force) changes, if but overhead wire is flexible, then tension force conversion pulley rotates, being attached at position that the 2nd cable on the coil spring reeled is subjected to spiral helicine the 2nd cable guiding groove guiding that diameter changes successively and changes, so, the diameter of pulley of the position of the 2nd cable of being reeled changes, by roughly homogenizing ground output of the 1st cable from be wound on the 1st cable guiding groove, and be applied to tension force on the overhead wire by homogenizing roughly.Promptly, at the tension force of coil spring when the direction that diminishes changes, the bigger direction of diameter of pulley to the 2nd pulley guiding groove of the 2nd sheave portion moves the 2nd cable by the rotation of tension force conversion pulley, when becoming big direction and change, the less direction of diameter of pulley to the 2nd pulley guiding groove of the 2nd sheave portion moves the 2nd cable by the rotation of tension force conversion pulley at the tension force of coil spring.Thus, even the spring force of coil spring (tension force) changes, the tension force that overhead wire is applied via the 1st cable also becomes roughly certain.
In a word, the elastic force of the coil spring by drawing the 2nd cable, according to stretching of overhead wire, the 1st cable is rolled in the 1st cable guiding groove or with its debatching, thus, can absorbs the flexible of above-mentioned overhead wire, and the tensioning of this overhead wire remained necessarily, and owing to guide this moment the diameter of pulley of the 2nd cable guiding groove of the 2nd cable to change, so, also can impose on overhead wire with certain force of strain roughly even the tension force of coil spring changes.
In addition, the tension force conversion pulley of relevant tension balancer for overhead line of the present invention is characterised in that the 1st sheave portion and the 2nd sheave portion are formed removably, and one replaceable with respect to another.
By this structure, the 1st sheave portion and/or the 2nd sheave portion sheave portion different with other diameters can be replaced, even the spring force of coil spring (tension force) is identical, also can change the tension force that overhead wire is applied.Therefore, can not change coil spring, and deal with according to the kind of overhead wire.
In addition, relevant tension balancer for overhead line of the present invention is characterised in that, on the periphery of mentioned strain conversion pulley, be provided with the scale plate of the ring-type that has applied flexible display scale, on the members of frame of taking in mentioned strain conversion pulley, on the position relative, be applied with mark with above-mentioned flexible display scale.
By this structure, can the outer circumferential side of pulley confirm simply to be accompanied by according to the tension force display scale of mark indication pulley rotation cable amount of movement, be the stroke of overhead wire.
In addition, relevant tension balancer for overhead line of the present invention is characterised in that, the flexible display scale parts that applied flexible display scale are installed on above-mentioned the 1st cable, on the above-mentioned members of frame of taking in mentioned strain conversion pulley, on the position relative, be applied with mark with above-mentioned flexible display scale.
By this structure, can be on the top of members of frame and the bottom confirm to be accompanied by the amount of movement of the first flexible cable of overhead wire simply according to the tension force display scale of mark indication.
According to tension balancer for overhead line of the present invention, can play following effect.
(1) the simple combination by tension force conversion pulley and coil spring can be when absorbing the stretching of overhead wire remains the tensioning of this overhead wire necessarily, and only just it can be realized by in good time maintenance.
(2) use coil spring,, also can impose on overhead wire with certain force of strain roughly even the tension force (spring force) of coil spring is changed with the flexible of overhead wire.
(3) identical even overhead wire is applied the spring force (tension force) of the coil spring of tension force, also the 1st sheave portion or the 2nd sheave portion sheave portion different with other diameters of tension force conversion pulley can be replaced, change the tension force that imposes on overhead wire.Therefore, can not change coil spring and tackle according to the kind of overhead wire.
(4) can easily confirm the stroke of overhead wire.
(5) in addition, durability is good, can avoid the generation of the tension imbalance that external cause causes.
Description of drawings
Fig. 1 is the stereogram of the tension balancer for overhead line of expression embodiments of the present invention.
Fig. 2 is the stereogram of the tension balancer for overhead line of expression embodiments of the present invention.
Fig. 3 is the front section view of the tension balancer for overhead line of expression embodiments of the present invention.
Fig. 4 (a) is that expression is cut the tension force conversion sheave segment of Fig. 1 the front view of expression open, and Fig. 4 (b) is a front view of having pulled down the tension force conversion pulley of the state behind the 1st cable and the 2nd cable from Fig. 4 (a).
Fig. 5 is the exploded perspective view of stroke display part of stroke that shows the overhead wire of present embodiment.
Fig. 6 is the exploded perspective view of another stroke display part of stroke that shows the overhead wire of present embodiment.
Fig. 7 is the stereogram of major part of the stroke display part of presentation graphs 6.
Fig. 8 is the cutaway view of another execution mode of expression tension force conversion pulley, and Fig. 8 (a) represents chimeric incorporate state, the state that Fig. 8 (b) expression separates.
Fig. 9 is the stereogram of the variation of presentation graphs 8.
Embodiment
Below, with reference to the description of drawings embodiments of the present invention.
The tension balancer for overhead line of present embodiment has tension force conversion pulley, this tension force conversion pulley generally speaking, parallel have possess the 1st sheave portion that diameter is certain spiral helicine the 1st cable guiding groove and the 2nd sheave portion that possesses helix the 2nd cable guiding groove of vary in diameter, and the guiding groove hand of spiral is opposite.In addition, the 1st cable that possess on the part that above-mentioned the 1st cable guiding groove is reeled, an end is fixed on the 1st cable guiding groove, the other end is attached at the overhead wire side and on the part that above-mentioned the 2nd cable guiding groove is reeled, an end is fixed on the 2nd cable guiding groove, the other end is installed in the 2nd cable that moves axially on the parts.And constitute, by coil spring with above-mentioned move axially parts to the above-mentioned one distolateral opposite direction application of force of above-mentioned the 2nd cable, the expanding-contracting action of the above-mentioned coil spring of the rotation by being accompanied by mentioned strain conversion pulley absorbs the stroke of above-mentioned overhead wire.
Thus, the elastic force of the coil spring by drawing the 2nd cable and overhead wire flexible makes reel or the debatching in the 1st cable guiding groove of the 1st cable accordingly, absorb the flexible of above-mentioned overhead wire, the tensioning of this overhead wire can be remained necessarily, and owing to guide this moment the diameter of pulley of the 2nd cable guiding groove of the 2nd cable to change, so even the tension variation of coil spring also can apply roughly certain force of strain to overhead wire.
Fig. 1 is the stereogram of the tension balancer for overhead line of expression present embodiment, Fig. 2 is the vertical profile front view of the tension balancer for overhead line of expression present embodiment, Fig. 3 is the exploded perspective view of the tension balancer for overhead line of expression present embodiment, and Fig. 4 is the front view (a) and (b) that expression is cut the tension force conversion sheave segment of Fig. 1 open in expression.
The tension balancer for overhead line of present embodiment is a main composition portion with tension force conversion pulley 2 in the members of frame 1 that is installed in コ word shape and the coil springs 4 that are arranged in the cartridge 3.Wherein, tension force conversion pulley 2 is that the center rotation is installed freely with the axle 5 that flatly is erected in the members of frame 1 as shown in Figure 4.
In addition, mentioned strain conversion pulley 2 is shown in Fig. 4 (b), on periphery, be arranged side by side the 1st sheave portion 2a of the 1st cable guiding groove 6 that possesses equal diameters and possess the 2nd sheave portion 2b of the 2nd cable guiding groove 7 of vary in diameter, these two guiding grooves 6,7 form, and make to curl up direction (coiling direction) mutually on the contrary.In the part of the 1st cable guiding groove 6, be to approach near the right part of tension force conversion pulley 2 in the drawings, be provided with the stop hole 8 that card ends an end of the cable 10 of reeling along the 1st cable guiding groove 6.
In addition, on the part of the 2nd cable guiding groove 7, be provided with card and end along the stop hole 9 of an end of the cable 11 of its coiling.In addition, riveted and fixed has setting tool 12,13 on an end of above-mentioned cable 10,11, and each setting tool 12,13 is entrenched in respectively in the above-mentioned stop hole 8,9, and by locking fixing.
Near mentioned strain conversion pulley 2, the axle 14 that is equipped with flatly to be erected on the members of frame 1 is the guide pulley 15 that the center rotates freely.This guide pulley 15 has the function of control the 2nd cable 11 vibrations and realizes the guiding function of the stabilisation of spring performance.
On the other hand, coil spring 4 is moved axially to be accommodated in the cartridge 3 freely, and the rotation in order to suppress to load is accepted parts 16 configuration coiling directions (direction of rotation) structure of opposite two coil spring 4a, 4b mutually and made via fluid spring.
Fluid spring is accepted parts 16 integral body and is tubular, is provided with spring base 16a, the 16b of the band platform of the end of supporting-line coil spring 4a, 4b respectively on periphery.Here, spring base 16a, the 16b of band platform need make each spring 4a, 4b not with the degree of depth of interfering in interior week of cartridge 3.Thus, the generation of the hysteresis of spring performance in the time of can reducing above-mentioned interference, and make the stable performanceization of spring.
On week, embed the discoideus cap (cap) 17 that has as shown in Figure 3 in the left part of above-mentioned cartridge 3, in being formed at 4 holes 18 of cartridge 3, as shown in Figures 1 and 2, slotting being connected with is roughly two stator 19a of the setting tool 19 of コ word shape.Thus, cap 17 has been carried out locking fixing outside cartridge 3.In addition, on the leading section of each stator 19a, be through with pin 20, realized that stator 19a fixes from the locking of each hole 18.On the end of pin 20, also be inserted with cotter pin.
At the central part of cap 17, be inserted with the outside installing component 21 of コ word shape laterally with locking stationary state from the inboard.This outside installing component 21 is attached on the setting tool of not shown pillar side.The other end (right part) that embeds [22, the 2 coil spring 4b in the right part of cartridge 3 on week is supported on this ring flat-plate 22.
Between above-mentioned cap 17 and above-mentioned the 1st spring 4a, endwisely slipping with respect to cartridge 3 is provided with the plectane 23 of the other end (left part) of supporting the 1st spring 4a freely.Central portion at plectane 23 is inserted with the roughly cable fixed part 24 of コ word shape, makes its left surface from this plectane 23 side-prominent to the 2nd cable 11.In addition, to accept the spring base of the identical band platform of spring base on the parts 16 be arbitrarily with being located at fluid spring to the peripheral part setting of above-mentioned ring flat-plate 22 and plectane 23.
On the jag of this cable fixed part 24, the cable that the other end (right-hand member) that keeps above-mentioned the 2nd cable 11 is installed keeps pin 25.This cable keeps pin 25 as shown in Figure 3, adopts nut 25b is entrenched in form on the front end of screw component 25a.
Above-mentioned the 1st cable 10 as previously mentioned, the setting tool of an end 12 cards end in the stop hole 8 of tension force conversion pulley 2, the other end is bent to make annular distance H, as shown in Figure 1, by the collar 26 riveted joints.In addition, though diagram is not linking in this annular distance H via porcelain insulator and is being connected cable end on the overhead wire.
The 2nd cable 11 is identical with the structure of the 1st cable 10, and setting tool 13 cards of an end end in stop hole 9, and as shown in Figure 2, the other end is bent to make annular distance H, by the collar 26 riveted joints.In addition, though do not have to illustrate, the cable that this annular distance H is inserted into above-mentioned plectane 23 sides keeps only being blocked on the pin 25.
Thus, can absorb stretching via the 1st cable 10, pulley the 2, the 2nd cable 11, annular distance H and cable maintenance pin 25 overhead wires that are transfused to successively by the elastic force of coil spring 4.
In addition, axle 5,14 the two ends of supporting above-mentioned pulley 2 and guide pulley 15 connect with level respectively and are supported in the through hole 28 of the sidepiece of being located at members of frame 1.Embedding in each perforation end of 5,14 has E ring 27, and can be from members of frame 1 pull-off.
In addition, on the right side of above-mentioned pulley 2, as shown in Figure 3, be equipped with and preset with bolt hole 29.Presetting of being screwed into by the screwed hole on the side that is formed on members of frame 1 30 can be fastened on this with the front end of bolt 31 presets with in the bolt hole 29.
Thus, can pass to the state that the tension force of the coil spring 4 of tension force conversion pulley 2 is set to stipulate via the 2nd cable.Promptly, under the state of the tension force that has applied regulation, use bolt 31 to stop the rotation of tension force conversion pulleys 2 by presetting, be provided with, after installation, back out, can be easily under the state of the tension force of the regulation that has applied coil spring, install by this is preset with bolt 31.
On the periphery of the right part of above-mentioned pulley 2, as shown in Figure 5, utilize screw 34 that the scale plate 33 of the ring-type of the stroke display scale 32 that shows overhead wire is installed.And, in the bottom of members of frame 1, be opposite on the position of above-mentioned scale plate 33, the flag member 37 with perspective window 35 and mark 36 is installed.Read scale on the above-mentioned scale plate 33 consistent by this perspective window 35, can easily confirm the stroke of overhead wire with mark 36.
In addition, as other structure example of the stroke that reads overhead wire, can consider structure for example shown in Figure 6.It constitutes, the supporting bracket 39 of the bullport 38 with above-mentioned the 1st cable 10 is installed on the openend of members of frame 1, presets the mode that part 40,40 the slidingtype scale plate 41 of L word shape with clamping by two and be fixed on the 1st cable 10 in the outside that is positioned at this supporting bracket 39.In addition, each otch 38a, a 38b on bullport 38 and supporting bracket 39 and the screw auxiliary indicator board 39A are thereon formed accordingly.
On the horizontal plate 41a in slidingtype scale plate 41, upper surface and lower surface have been applied the stroke display scale 42 of overhead wire.In addition, tabular guide member 43 shown in Figure 7 is installed, on this guide member 43, is provided with the bullport 44 that guides above-mentioned horizontal plate 41a sliding freely in the bottom of members of frame 1.
And, near the end of one of guide member 43, applied the mark 45 of the scale 42 that is used to refer on the horizontal plate 41a.
The tension balancer for overhead line of Gou Chenging is provided with in the mode that is clipped between overhead wire and the pillar like this.Promptly, in the annular distance H of the 1st cable 10 ends, be attached on the overhead wire via not shown cable and porcelain insulator etc., on the other hand, the outside installing component 21 of cartridge 3 ends is attached on the erecting tools or cable that is installed on the not shown pillar (built on stilts terminal).
Here, causing because of variations in temperature under the flexible situation of overhead wire that coil spring 4 flexible being somebody's turn to do with absorption are stretched, thereby the tension force that plays overhead wire remains certain effect.For example, in the winter time, under the situation that overhead wire shrinks, the tension force conversion pulley 2 of an end of fixing the 1st cable 10 by this contraction is that the center clockwise direction rotates very lentamente with axle 5 in Fig. 1.
By this rotation, the 2nd cable 11 that an end is fixed on the tension force conversion pulley 2 equally is rolled in the 2nd cable guiding groove 7, and its other end keeps pin 25 that plectane 23 is drawn in to right-hand in Fig. 2 via cable fixed part 24 and cable.Thus, coil spring 4a, 4b are compressed and absorb the amount of contraction of above-mentioned overhead wire, the tension force of overhead wire can be maintained setting.On the other hand, under the situation of overhead wire elongation in summer, become and above-mentioned opposite action.
In the case, the 2nd cable guiding groove 7 is helicla flutes of vary in diameter.Therefore, if the flexible tension force conversion pulley 2 that makes by overhead wire rotates positive and negatively, then being attached at position that the 2nd cable 11 on the coil spring 4 reeled is subjected to spiral helicine the 2nd cable guiding groove 7 guiding that diameter changes successively and changes, so by by the diameter of pulley size variation of the position of the 2nd cable 11 of being reeled, from being wound on the roughly homogenizing ground output of the 1st cable on the 1st cable guiding groove 6, even the tension variation of coil spring 4 also always applies to homogenizing tension force for overhead wire.Like this, these cable guiding groove 7 performances suppress to be minimal function that with the tension variation rate of overhead wire though also depend on the diameter of pulley ratio, for example can suppress is below 3% under theoretical value.In addition, textural at this tension force conversion pulley is that can to make tension force when spending be certain for 0 degree, 180 degree, 360 in the anglec of rotation of tension force conversion pulley 2.In addition, be 90 degree, 270 when spending in the anglec of rotation, owing to be accompanied by the phase difference of diameter of pulley, so tension force can slightly change with rising.
In addition, coil spring 4 is chain based on the 2nd cable 11 with tension force conversion pulley 2, also is arbitrarily but make the form that possesses gear in tension force conversion pulley 2, open the frame chain thereon.In addition, in above-mentioned, the 2nd cable guiding groove 7 has been made spirality, but in practical application, even make the tension force that same diameter also can be controlled overhead wire in fact.
More than, in the present embodiment, possess: tension force conversion pulley 2 is formed with on periphery that the hand of spiral is mutually opposite, diameter is the 1st certain cable guiding groove 6 and the 2nd cable guiding groove 7 of vary in diameter; The 1st cable 10 is reeled along the 1st cable guiding groove 6, and an end is fixed on the part of the 1st cable guiding groove 6, and the other end is attached at the overhead wire side; The 2nd cable 11 is reeled along the 2nd cable guiding groove 7, and an end is fixed on the part of the 2nd cable guiding groove 7, and the other end is installed in and moves axially on the parts 17; And coil spring 4, with above-mentioned move axially parts 17 to the above-mentioned one distolateral opposite direction application of force of the 2nd cable 11; Absorb the stroke of above-mentioned overhead wire by expanding-contracting action by the coil spring 4 of the rotation that is accompanied by mentioned strain conversion pulley 2, the elastic force that draws the coil spring 4 of the 2nd cable 11 makes the 1st cable 10 and overhead wire flexiblely is involved in accordingly or is unwound in the 1st cable guiding groove 6, absorb the flexible of above-mentioned overhead wire, the tension force of this overhead wire can be remained roughly certain.
At this moment, the rotation of the flexible tension force conversion pulley 2 that causes by overhead wire makes the 2nd cable 11 move to the position of being reeled, according to this position, the diameter of pulley of the 2nd cable guiding groove 7 changes, so even the tension variation of coil spring 4 also can apply roughly certain force of strain to overhead wire.
Fig. 8 is the cutaway view of another execution mode of expression tension force conversion pulley, and Fig. 8 (a) represents chimeric incorporate state, the state that Fig. 8 (b) expression separates.
This execution mode is to form the 1st sheave portion 2a of formation tension force conversion pulley 2 and the structure of the 2nd sheave portion 2b removably.Show following structure in this example, to be illustrated in and to be equipped with the cross section on the 1st sheave portion 2a and the contact-making surface the 2nd sheave portion 2b be non-circular protuberance 46, be provided with the non-circular hole 47 corresponding with raised part 46 on the 2nd sheave portion 2b and contact-making surface the 1st sheave portion 2a, by protuberance 46 being embedded in the hole 47 and can dismounting.Other structures with above-mentioned execution mode are identical, so the detailed explanation of giving identical label and saving other for identical structural element.
Fig. 9 is the stereogram of the variation of presentation graphs 8.That this example is that protuberance 46 has is a plurality of, also there is a plurality of situations in hole 47 accordingly with it.In this example, owing to have a plurality of protuberances 46 and hole 47, so cross sectional shape also can be circular, other and above-mentioned execution mode are same.
Make the 1st sheave portion 2a and the removable structure of the 2nd sheave portion 2b be not limited to above-mentioned execution mode, can certainly adopt other known in the past means.
In addition, in Fig. 8 and Fig. 9, label 48 is the patchholes to axle 5, tension force conversion pulley 2 both can rotate be installed in freely the axle 5 on, also can be fixedly mounted on the axle 5 on and make the axle 5 the rotation freely.Bearing being set on the rotating part of this 5 bearing portion and pulley 2 or forming the epithelium that reduces friction can become rotation smoothly, can prevent wearing and tearing, so be preferred.
If make the 1st sheave portion 2a of tension force conversion pulley 2 and the 2nd sheave portion 2b dismantled and assembled like this, then except above-mentioned effect, effect, for example by the 1st sheave portion 2a is replaced with the different sheave portion of diameter, even the spring force of coil spring 4 (tension force) is identical, also can change from the tension force of tension force conversion pulley 2 outputs.For example, can change from the tension force of the 1st sheave portion 2a output by making the 2nd sheave portion 2b identical and the 1st sheave portion 2a is replaced with the different sheave portion of diameter.If it is big that the diameter of the 1st sheave portion 2a becomes, then the tension force from the 1st sheave portion 2a output becomes big (standard tension force diminishes), if the diameter of the 1st sheave portion 2a diminishes, and the tension force from the 1st sheave portion 2a output diminish (it is big that standard tension force becomes) then.Therefore, even because of overhead wire standard tension force difference, also can be not to each standard tension change coil spring, and come corresponding by replacing the 1st sheave portion 2a.
Industrial applicibility
Tension balancer for overhead line of the present invention has and can absorb the flexible of trolley line The simultaneously tensioning with this trolley line remains necessarily, and only just can be with it by in good time maintenance The effect that realizes remains certain making somebody a mere figurehead at the tension force that is used for setting up skyborne trolley line Line is with in tension balancer etc. practicality being arranged.
Claims (5)
1, a kind of tension balancer for overhead line imposes on overhead wire with the tension force of coil spring via the tension force conversion pulley that possesses the spiral helicine guiding groove that diameter changes successively, and the tension force of overhead wire is remained necessarily, it is characterized in that,
Has following structure, be attached at the cable in the guiding groove that is wound on tension force conversion pulley on the coil spring by an end, the tension force of coil spring is passed to tension force conversion pulley as revolving force, the revolving force that passes to this tension force conversion pulley is transformed to tension force and imposes on overhead wire, and make the positive and negative rotation of tension force conversion pulley by overhead wire flexible;
By make the positive and negative rotation of tension force conversion pulley by this overhead wire flexible, the spiral helicine guiding groove that the position of the cable of being reeled is changed by diameter successively guides and changes, the diameter of pulley of the position of the cable of being reeled changes thus, even and the tension variation of coil spring, in tension force conversion pulley, also roughly exported to homogenizing, and imposed on overhead wire.
2, tension balancer for overhead line as claimed in claim 1 is that the tension force that is used for setting up skyborne overhead wire remains certain tension balancer for overhead line, it is characterized in that,
Possess:
Coil spring applies tension force to overhead wire;
Tension force conversion pulley is arranged with that to possess diameter be the 1st sheave portion of certain spiral helicine the 1st cable guiding groove and the 2nd sheave portion that possesses spiral helicine the 2nd cable guiding groove that diameter changes successively, and the mutual guiding groove hand of spiral is formed mutually on the contrary;
The 1st cable is reeled along the 1st cable guiding groove of above-mentioned the 1st sheave portion, and an end is fixed on the part of the 1st cable guiding groove, and the other end is attached at the overhead wire side; And
The 2nd cable is reeled along the 2nd cable guiding groove of above-mentioned the 2nd sheave portion, and an end is fixed on the part of the 2nd cable guiding groove, and the other end is attached on the above-mentioned coil spring, is applied in tension force;
The expanding-contracting action of the above-mentioned coil spring of the rotation by being accompanied by mentioned strain conversion pulley, absorb the stroke of above-mentioned overhead wire, and make the positive and negative rotation of tension force conversion pulley and the position of the 2nd cable of being reeled is subjected to spiral helicine the 2nd cable guiding groove guiding that diameter changes successively and changes by overhead wire flexible, thus, the diameter of pulley of the position of the 2nd cable of being reeled changes, the variation of tension force that is accompanied by the flexible coil spring of overhead wire is roughly outputed to homogenizing on the 1st cable that is wound in the 1st cable guiding groove, and impose on overhead wire.
3, tension balancer for overhead line as claimed in claim 2 is characterized in that, the 1st sheave portion and the 2nd sheave portion of mentioned strain conversion pulley form removably, and one replaceable with respect to another.
4, as each described tension balancer for overhead line in the claim 1～3, it is characterized in that, on the periphery of mentioned strain conversion pulley, be provided with the scale plate of the ring-type that has applied flexible display scale, on the members of frame of taking in mentioned strain conversion pulley, on the position relative, be applied with mark with above-mentioned flexible display scale.
5, as claim 2 or 3 described tension balancer for overhead line, it is characterized in that, the flexible display scale parts that applied flexible display scale are installed on above-mentioned the 1st cable, on the above-mentioned members of frame of taking in mentioned strain conversion pulley, on the position relative, be applied with mark with above-mentioned flexible display scale.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007162045A JP4462634B2 (en) | 2007-06-20 | 2007-06-20 | Tension balancer for overhead wire |
| JP162045/2007 | 2007-06-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101330199A true CN101330199A (en) | 2008-12-24 |
Family
ID=40205853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101426143A Pending CN101330199A (en) | 2007-06-20 | 2007-08-20 | Tension balancer for overhead line |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP4462634B2 (en) |
| KR (1) | KR100948699B1 (en) |
| CN (1) | CN101330199A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918240B (en) * | 2008-12-29 | 2014-02-19 | 日本发条株式会社 | Tension balancer for overhead line and auxiliary equipment for installing tension balancer for overhead line |
| CN104104046A (en) * | 2014-07-10 | 2014-10-15 | 宁波浩泰电力工程设备有限公司 | Power equipment fastening device |
| CN104608655A (en) * | 2013-11-05 | 2015-05-13 | 克恩-里伯斯(太仓)有限公司 | Cable tension monitor and tension compensation device |
| CN107622868A (en) * | 2016-07-13 | 2018-01-23 | 湖北蕊源电子股份有限公司 | A kind of inductor of small volume simple in construction |
| CN108075424A (en) * | 2016-11-18 | 2018-05-25 | 天津津赫深科技发展有限公司 | A kind of power technology service power transmission line tensioning frame |
| CN109114166A (en) * | 2018-09-10 | 2019-01-01 | 杭州舜海光伏科技有限公司 | Pre-tightening apparatus |
| CN110356922A (en) * | 2019-07-24 | 2019-10-22 | 李岩 | A kind of communication line installation tension adjustable device |
| CN111047965A (en) * | 2020-01-15 | 2020-04-21 | 滕飞 | Support fixing device used on sand table and used for keeping conducting wire straight |
| CN111565664A (en) * | 2018-01-10 | 2020-08-21 | 柯惠Lp公司 | Surgical robot arm and pulley assembly thereof |
| CN111817207A (en) * | 2020-07-27 | 2020-10-23 | 许同 | Extra-high voltage power transmission tower wire mechanism |
| CN112573290A (en) * | 2020-10-28 | 2021-03-30 | 国家电网有限公司 | Cable high altitude accommodating device |
| CN112888925A (en) * | 2018-07-31 | 2021-06-01 | 伊利诺斯工具制品有限公司 | Multi-dimensional sheave for use in tension measuring system |
| CN112952705A (en) * | 2021-02-23 | 2021-06-11 | 厦门绣襦纺织有限公司 | Tensioning mechanism for high-voltage overhead line |
| CN113097925A (en) * | 2021-04-08 | 2021-07-09 | 范晓强 | Overhead line tightening device with vibrating motor for severe environment |
| CN112203804B (en) * | 2018-05-29 | 2023-08-22 | 泰克纳股份公司 | Balancer for tool |
| CN116914671A (en) * | 2023-09-11 | 2023-10-20 | 山西吉瑞科技发展有限公司 | Overhead ground wire tension adjusting device |
| CN118370609A (en) * | 2024-06-25 | 2024-07-23 | 杭州唯精医疗机器人有限公司 | Tension adjusting tool |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5539015B2 (en) * | 2010-05-18 | 2014-07-02 | 生 西村 | Tension balancer for overhead wire |
| JP5432877B2 (en) * | 2010-11-10 | 2014-03-05 | 日本発條株式会社 | Tension balancer |
| JP5861172B2 (en) * | 2011-07-05 | 2016-02-16 | 株式会社高橋発条製作所 | Tension balancer for overhead wire |
| CN110137857B (en) * | 2019-06-28 | 2024-04-30 | 沈阳建筑大学 | Vehicle-mounted rotatable stretching type electric power crossing frame |
| KR102361016B1 (en) * | 2019-11-15 | 2022-02-09 | 서울시립대학교 산학협력단 | Driving System of Flexible Membrane Retractable Structure |
| CN113148772B (en) * | 2021-04-19 | 2022-08-26 | 衢州学院 | Power tower cable tightening means |
| KR102377117B1 (en) * | 2021-06-01 | 2022-03-23 | 주식회사 이에스시스템 | Tension Control Device Having Safety Structure |
| CN116885632B (en) * | 2023-09-06 | 2024-02-02 | 国网山东省电力公司东平县供电公司 | Electric power installation wire tightening device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3432539B2 (en) * | 1993-01-29 | 2003-08-04 | 三和テッキ株式会社 | Tension balancer safety device |
| IT1287147B1 (en) * | 1996-11-08 | 1998-08-04 | Pfisterer Srl | COMPENSATING DEVICE FOR VARIATIONS IN LENGTH OF HEAD ROPES, WITH SUBSTANTIALLY CONSTANT PULL |
| JP3750235B2 (en) * | 1996-11-29 | 2006-03-01 | アイシン精機株式会社 | Wind regulator device |
| JP4170558B2 (en) * | 2000-03-27 | 2008-10-22 | 日本発条株式会社 | Tension balancer operation display device |
| JP2005225423A (en) | 2004-02-16 | 2005-08-25 | Meielec:Kk | Pulley type tension balancer |
-
2007
- 2007-06-20 JP JP2007162045A patent/JP4462634B2/en not_active Expired - Fee Related
- 2007-07-16 KR KR1020070071171A patent/KR100948699B1/en not_active IP Right Cessation
- 2007-08-20 CN CNA2007101426143A patent/CN101330199A/en active Pending
Cited By (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101918240B (en) * | 2008-12-29 | 2014-02-19 | 日本发条株式会社 | Tension balancer for overhead line and auxiliary equipment for installing tension balancer for overhead line |
| CN104608655A (en) * | 2013-11-05 | 2015-05-13 | 克恩-里伯斯(太仓)有限公司 | Cable tension monitor and tension compensation device |
| CN104104046A (en) * | 2014-07-10 | 2014-10-15 | 宁波浩泰电力工程设备有限公司 | Power equipment fastening device |
| CN104104046B (en) * | 2014-07-10 | 2016-08-03 | 宁波浩泰电力工程设备有限公司 | A kind of power equipment clamp device |
| CN107622868A (en) * | 2016-07-13 | 2018-01-23 | 湖北蕊源电子股份有限公司 | A kind of inductor of small volume simple in construction |
| CN108075424A (en) * | 2016-11-18 | 2018-05-25 | 天津津赫深科技发展有限公司 | A kind of power technology service power transmission line tensioning frame |
| CN111565664B (en) * | 2018-01-10 | 2024-03-26 | 柯惠Lp公司 | Surgical robot arm and pulley assembly thereof |
| CN111565664A (en) * | 2018-01-10 | 2020-08-21 | 柯惠Lp公司 | Surgical robot arm and pulley assembly thereof |
| CN112203804B (en) * | 2018-05-29 | 2023-08-22 | 泰克纳股份公司 | Balancer for tool |
| CN112888925A (en) * | 2018-07-31 | 2021-06-01 | 伊利诺斯工具制品有限公司 | Multi-dimensional sheave for use in tension measuring system |
| US12117359B2 (en) | 2018-07-31 | 2024-10-15 | Illinois Tool Works Inc. | Multi-dimensional sheave for use in tension measurement systems |
| US11473989B2 (en) | 2018-07-31 | 2022-10-18 | Illinois Tool Works Inc. | Multi-dimensional sheave for use in tension measurement systems |
| CN109114166A (en) * | 2018-09-10 | 2019-01-01 | 杭州舜海光伏科技有限公司 | Pre-tightening apparatus |
| CN110356922B (en) * | 2019-07-24 | 2021-06-04 | 张晶 | Tension adjustable device for communication line installation |
| CN110356922A (en) * | 2019-07-24 | 2019-10-22 | 李岩 | A kind of communication line installation tension adjustable device |
| CN111047965A (en) * | 2020-01-15 | 2020-04-21 | 滕飞 | Support fixing device used on sand table and used for keeping conducting wire straight |
| CN111817207A (en) * | 2020-07-27 | 2020-10-23 | 许同 | Extra-high voltage power transmission tower wire mechanism |
| CN112573290A (en) * | 2020-10-28 | 2021-03-30 | 国家电网有限公司 | Cable high altitude accommodating device |
| CN112952705A (en) * | 2021-02-23 | 2021-06-11 | 厦门绣襦纺织有限公司 | Tensioning mechanism for high-voltage overhead line |
| CN113097925A (en) * | 2021-04-08 | 2021-07-09 | 范晓强 | Overhead line tightening device with vibrating motor for severe environment |
| CN116914671A (en) * | 2023-09-11 | 2023-10-20 | 山西吉瑞科技发展有限公司 | Overhead ground wire tension adjusting device |
| CN116914671B (en) * | 2023-09-11 | 2023-12-01 | 山西吉瑞科技发展有限公司 | Overhead ground wire tension adjusting device |
| CN118370609A (en) * | 2024-06-25 | 2024-07-23 | 杭州唯精医疗机器人有限公司 | Tension adjusting tool |
| CN118370609B (en) * | 2024-06-25 | 2024-10-11 | 杭州唯精医疗机器人有限公司 | Tension adjusting tool |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4462634B2 (en) | 2010-05-12 |
| KR20080112061A (en) | 2008-12-24 |
| KR100948699B1 (en) | 2010-03-22 |
| JP2009001087A (en) | 2009-01-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101330199A (en) | Tension balancer for overhead line | |
| KR100752427B1 (en) | Tool support | |
| EP1008747B1 (en) | Vibration absorber for wind turbines | |
| CN101983287B (en) | A method for handling and/or servicing components of a wind turbine and a gripping apparatus for performing the method | |
| EP1039093A2 (en) | Cordless balanced window covering | |
| CN1171491A (en) | Spring motor | |
| CN107101071B (en) | Pipeline protection rope winding machine | |
| CN100413729C (en) | Tension constant compensation device | |
| JP5539015B2 (en) | Tension balancer for overhead wire | |
| RU2014138511A (en) | DEVICE FOR WINDING MATERIAL FABRIC ON SHAFT AND REWINDING FROM SHAFT | |
| JP5337939B2 (en) | Tension balancer for overhead wire | |
| KR20090010838U (en) | Tension adjustable pin jig for supporting curved block | |
| JP4908199B2 (en) | Friction device for winding up curtains | |
| CN214879293U (en) | Novel double-stay-cord wire-rewinding device structure | |
| CN101382036B (en) | Roller blind screen window and door without backrush impact force | |
| CN2168469Y (en) | Table lifting controller | |
| JPH0224658Y2 (en) | ||
| JP2007269441A (en) | Expansion/contraction type pillar-like body | |
| CN211569945U (en) | Automatic tensioning device and heavy object lifting system | |
| CN214422203U (en) | Synchronous retraction assembly | |
| CN211225887U (en) | Cable drum with anti-drop function | |
| CN220116104U (en) | Limiting assembly for pipeline pulley mechanism and telescopic boom assembly | |
| CN101372827A (en) | Axial vibration damping system for stayed cable, stayed cable equipped with the system and manufacturing method thereof | |
| JPS63500607A (en) | Vertical conduit tension device | |
| KR20230128496A (en) | wind turbine alignment tool |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20081224 |