CN101707091A - Lead stranding die mold device with low wind noise - Google Patents
Lead stranding die mold device with low wind noise Download PDFInfo
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- CN101707091A CN101707091A CN200910236877A CN200910236877A CN101707091A CN 101707091 A CN101707091 A CN 101707091A CN 200910236877 A CN200910236877 A CN 200910236877A CN 200910236877 A CN200910236877 A CN 200910236877A CN 101707091 A CN101707091 A CN 101707091A
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- 238000004519 manufacturing process Methods 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000004677 Nylon Substances 0.000 claims description 9
- 229920001778 nylon Polymers 0.000 claims description 9
- 230000000630 rising effect Effects 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 229920001342 Bakelite® Polymers 0.000 claims description 3
- 239000004637 bakelite Substances 0.000 claims description 3
- 230000005476 size effect Effects 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001256 stainless steel alloy Inorganic materials 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000693 micelle Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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Abstract
The invention relates to a passive lead stranding die mold device with low wind noise, consisting of a rotatable inner die mold, a fixed outer die mold , a torsional moment adjustable friction plate and a torsional moment adjustable bolt, wherein the fixed outer die mold comprises a first fixed outer die mold and a second outer die mold, the rotatable inner die mold realizes free rotation by taking the center of the fixed outer die mold as an axle, and the thread pitch of screw thread and the groove depth of the rotatable inner die mold can be set according to the pitch value of an outer layer and the protruded height of the stranding lead with low wind noise; and the passive lead stranding die mold device has the advantages of flexible rotation, adjustable friction force, favorable rotating symmetry and the like. The passive lead stranding die mold device with low wind noise is used as a lead outlet die mold of a stranding machine and can be used for producing leads with low noise.
Description
Technical field
The present invention relates to electrical lead and make the field, relate in particular to a kind of passive type lead stranding die mold device with low wind noise.
Background technology
Along with the progress of expanding economy and society, the people progressively improves the consciousness of environmental protection, and is more and more higher to the requirement of living environment, and the noise effect of transmission line becomes noticeable environmental problem day by day.Therefore the low wind noise lead die arrangement of the development system of can twisting is very necessary.As shown in Figure 7, low wind noise lead is a kind of extraordinary lead of using overhead transmission line, its inside is common round conductor, the outermost layer conductor is a trapezoid cross section monofilament conductor, and the height that the part monofilament is arranged exceeds other structure monofilament, and the outside, cross section that is formed on unitary circular has the structure of the projection of two place's symmetries up and down.The lead wind noise is a kind of hydrodynamic effect.Karman vortex street is that viscous fluid produces when walking around cylinder and flowing, and wind also forms Karman vortex street after crossing lead.After the speed of wind increased, Reynolds number also increased.Therefore the pressure gradient of cylinder latter half increases, so that causes the separation in boundary layer.Along with the continuous increase of Reynolds number, the wind micelle in the cylinder latter half boundary layer is subjected to bigger retardance, and burble point goes ahead mobile.When Reynolds number increase to about 40 the time, just produce in cylindrical back a pair of direction of rotation opposite to becoming vortex.After Reynolds number surpasses 40, the symmetry vortex constantly increases and swing occurs, approximates at 60 o'clock up to Reynolds number, and this is to unsettled symmetrical vortex division, form the opposite alternately vortex of direction of rotation almost stable, asymmetry, more or less rule at last, be called Karman vortex street.Karman vortex causes the alternate of air pressure and the vibration that produces air, forms wind noise.The low-noise lead of band raised structures can destroy Karman vortex street, thereby reaches the purpose that reduces circuit noise.And common aerial condutor is outer circular configuration, and the sectional view of its lead is a regular circular, and as shown in Figure 8, the wind of this kind lead is made an uproar bigger, uses in densely populated area, can cause very big noise pollution.The lead of domestic production at present all is the circular shape concentric lead, use be common circular shape concentric lead die arrangement, this stamper architecture is simple, just two semicircle pressing molds are formed a fixedly round.The low-noise lead die arrangement is that fixed mould and rotatable pressing mold are formed.Because the key technology of the low wind noise lead of development is low wind noise lead die arrangement, therefore the low wind noise lead die arrangement of development is very necessary.
Summary of the invention
Because the skin of low wind noise lead is bossed helical structure, therefore its strand system difficulty strengthens, also do not twist the special die device of the low wind noise lead of system at present, in order to solve the problems of the technologies described above, make that the production of low wind noise lead is convenient, reduce cost, enhance productivity, the present invention proposes a kind of passive type lead stranding die mold device with low wind noise, its operation principle as shown in Figure 9 for this reason.The outer trapezoidal monofilament of low wind noise lead is after frame winch strand cage and pre-shaping device moulding, by passive type lead stranding die mold device with low wind noise of the present invention the pitch and the rising height of lead are controlled at last, by producing the low wind noise lead of outer band projection behind this device.
Patent of the present invention provides a kind of lead stranding die mold device with low wind noise, it is characterized in that this device comprises two rotatable interior pressing molds, the first fixing outer pressing mold, the second fixing outer pressing mold, adjust the torsional moment friction plate and adjust the torsional moment bolt, the inner ring of the described first fixing outer pressing mold and the second fixing outer pressing mold is semi-annular shape, both form a complete annulus, the outside of the described second fixing outer pressing mold has a projection, be used to install described adjustment torsional moment bolt, the rotatable interior pressing mold of two semi-annular shapes is also formed a complete annulus, be arranged in described first fixing outer pressing mold and second annulus that fixedly the external pressure mould is formed, and in rotatable pressing mold with the first fixing outer pressing mold and second fixedly the center of the annulus of external pressure mould composition serve as spool free to rotate, after two rotatable interior pressing molds assemble, portion is the groove that has certain protrusion angles and rising height on the base shape of circular port within it, and this groove has pitch, described adjustment torsional moment friction plate is arranged between the second fixing outer pressing mold and the rotatable pressing mold, regulates the rotation friction size effect that turns interior pressing mold by the adjustment torsional moment bolt that adjustment is installed on the described second fixing outer pressing mold;
Hang down the outer pitch value of wind noise lead and pitch and the depth of groove that the rising height design turns the screw thread of interior pressing mold according to the system of strand, can change the position of adjusting the torsional moment friction plate by the adjustment torsional moment bolt that rotates on the described second fixing outer pressing mold, make that contacting of adjustment torsional moment friction plate and rotatable interior pressing mold is tightr, pressure between the two also increases thereupon, thereby can change the frictional force between low wind noise lead and the film pressing device.
Wherein, by adjust described rotatable in position of related features, dimensional tolerance and the fit tolerance of pressing mold, the first fixing outer pressing mold and the second fixing outer pressing mold realize the good Rotation Symmetry of lead stranding die mold device with low wind noise, thereby guaranteeing to twist makes next conductive line surfaces pitch and has good consistency.
Wherein, the material of described rotatable interior pressing mold is wear resistant nylon, bakelite or YG8 carbide alloy, and the material of the first fixing outer pressing mold and the second fixing outer pressing mold is stainless steel or aluminium alloy, and the material of adjusting the torsional moment friction plate is a nylon.
Wherein, described rotatable interior pressing mold adopts the carbide alloy manufacturing, the described first fixing outer pressing mold and the second fixing outer pressing mold adopt the aluminium alloy manufacturing, and the intensity of its material is adjusted the torsional moment friction plate and adopted the bigger wear resistant nylon manufacturing of coefficient of friction less than the intensity of pressing mold in rotatable.
The invention has the beneficial effects as follows:
Advantages such as this lead stranding die mold device with low wind noise is rotated flexibly, frictional force can be adjusted torsional moment, Rotation Symmetry is good.Lead stranding die mold device with low wind noise can be produced low wind noise lead as the lead outlet pressing mold of stranding machine by this device.The development of this device can improve the strand system ability of the built on stilts novel conductive wire of China, and using for the new special lead provides technological reserve.
Description of drawings
Fig. 1 is the structural representation of lead stranding die mold device with low wind noise of the present invention, and wherein Fig. 1 a is the front view of die arrangement of the present invention, and Fig. 1 b is the right view of Fig. 1 a, and Fig. 1 c is the rearview of Fig. 1 a;
Fig. 2 is the structural representation of pressing mold 1 in rotatable in the lead stranding die mold device with low wind noise of the present invention, and wherein Fig. 2 a is the front view of press mold 1 in rotatable, and Fig. 2 b is the A-A cutaway view of Fig. 2 a;
Fig. 3 is the structural representation of the first fixing outer pressing mold 2 in the lead stranding die mold device with low wind noise of the present invention, and wherein Fig. 3 a is the front view of the first fixing outer pressing mold 2, and Fig. 3 b is the right view of Fig. 3 a;
Fig. 4 is the structural representation of the second fixing outer pressing mold 3 in the lead stranding die mold device with low wind noise of the present invention, and wherein Fig. 4 a is the front view of the second fixing outer pressing mold 3, and Fig. 4 b is the B-B cutaway view of Fig. 4 a;
Fig. 5 is for adjusting the structural representation of torsional moment friction plate 4 in the lead stranding die mold device with low wind noise of the present invention, wherein Fig. 5 a is for adjusting the front view of torsional moment friction plate 4, and Fig. 5 b is the right view of Fig. 5 a;
Fig. 6 is for adjusting the structural representation of torsional moment bolt 5 in the lead stranding die mold device with low wind noise of the present invention;
Fig. 7 is the profile schematic diagram of the low wind noise lead produced in the lead stranding die mold device with low wind noise of the present invention;
Fig. 8 is the profile schematic diagram of existing common aerial condutor;
Fig. 9 is the operation principle schematic diagram of lead stranding die mold device with low wind noise of the present invention;
Wherein, pressing mold in 1-is rotatable, the 11-screw thread, the 12-groove, the 2-first fixing outer pressing mold, the 3-second fixing outer pressing mold, the 31-projection, 4-adjusts the torsional moment friction plate, and 5-adjusts the torsional moment bolt.
Embodiment
Shown in Fig. 1-6, be the integral body assembling schematic diagram of a kind of lead stranding die mold device with low wind noise of the present invention and the structural representation of each parts, this device comprises two rotatable interior pressing molds 1, the first fixing outer pressing mold 2, the second fixing outer pressing mold 3, adjust torsional moment friction plate 4 and adjust torsional moment bolt 5, the inner ring of the described first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 is semi-annular shape, both form a complete annulus, the outside of the described second fixing outer pressing mold 3 has a projection 31, be used to install described adjustment torsional moment bolt 5, the rotatable interior pressing mold 1 of two semi-annular shapes is also formed a complete annulus, be arranged in the annulus of the described first fixing outer pressing mold 2 and second fixing outer pressing mold 3 compositions, and pressing mold 1 serves as that axle is free to rotate with the center of the annulus of the first fixing outer pressing mold 2 and second fixing outer pressing mold 3 compositions in rotatable, after two rotatable interior pressing molds 1 assemble, portion is the groove 12 that has certain protrusion angles and rising height on the base shape of circular port within it, and this groove has pitch, described adjustment torsional moment friction plate 4 is arranged between the second fixing outer pressing mold 3 and the rotatable pressing mold 1, regulates the rotation friction size effect that turns interior pressing mold 1 by the adjustment torsional moment bolt 5 that adjustment is installed on the described second fixing outer pressing mold 3.As shown in Figure 2, the pitch of the screw thread 11 of rotatable interior pressing mold 1 can design according to the outer pitch value of the low wind noise lead of the system of twisting, and the degree of depth of groove 12 can be made the rising height that hangs down the wind noise lead according to strand and design.Can change the position of adjusting torsional moment friction plate 4 by the adjustment torsional moment bolt 5 that rotates on the described second fixing outer pressing mold 3, make that contacting of adjustment torsional moment friction plate 4 and rotatable interior pressing mold 1 is tightr, pressure between the two also increases thereupon, thereby can change the frictional force between low wind noise lead and the film pressing device.
By adjust described rotatable in position of related features, dimensional tolerance and the fit tolerance of pressing mold 1, the first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 realize the good Rotation Symmetry of lead stranding die mold device with low wind noise, thereby guaranteeing to twist makes next conductive line surfaces pitch and has good consistency.
Wherein, the material of described rotatable interior pressing mold 1 is wear resistant nylon, bakelite or YG8 carbide alloy, and the material of the first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 is stainless steel or aluminium alloy, and the material of adjusting torsional moment friction plate 4 is a wear resistant nylon.
Wherein, described rotatable interior pressing mold 1 adopts the carbide alloy manufacturing, the described first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 adopt the aluminium alloy manufacturing, and the intensity of its material is adjusted torsional moment friction plate 4 and adopted the bigger wear resistant nylon manufacturing of coefficient of friction less than the intensity of pressing mold 1 in rotatable.
The size that low wind noise strand is neutralized die device designs according to the physical dimension and the parameter of lead.
Show the low wind noise lead profile schematic diagram of the production of foundation lead stranding die mold device with low wind noise of the present invention as Fig. 7, its inside is common round conductor, the outermost layer conductor is a trapezoid cross section monofilament conductor, and the height that the part monofilament is arranged exceeds other structure monofilament, and the outside, cross section that is formed on unitary circular has the structure of the projection of two place's symmetries up and down.
Fig. 8 shows the profile schematic diagram of common aerial condutor, and its inside and outer field shape all are common circles.
Fig. 9 shows the operation principle schematic diagram according to lead stranding die mold device with low wind noise of the present invention, it comprises 3 parts: frame winch strand cage III, strand cage pre-shaping device II and passive type lead stranding die mold device with low wind noise I, the concrete structure of frame winch strand cage all has detailed description in the prior art, is not described in detail in this.
Invention has been described according to specific exemplary embodiment herein.It will be conspicuous carrying out suitable replacement to one skilled in the art or revise under not departing from the scope of the present invention.Exemplary embodiment only is illustrative, rather than to the restriction of scope of the present invention, scope of the present invention is by appended claim definition.
Claims (4)
1. lead stranding die mold device with low wind noise, it is characterized in that this device comprises two rotatable interior pressing molds 1, the first fixing outer pressing mold 2, the second fixing outer pressing mold 3, adjust torsional moment friction plate 4 and adjust torsional moment bolt 5, the inner ring of the described first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 is semi-annular shape, both form a complete annulus, the outside of the described second fixing outer pressing mold 3 has a projection, be used to install described adjustment torsional moment bolt 5, the rotatable interior pressing mold 1 of two semi-annular shapes is also formed a complete annulus, be arranged in the annulus of the described first fixing outer pressing mold 2 and second fixing outer pressing mold 3 compositions, and pressing mold 1 serves as that axle is free to rotate with the center of the annulus of the first fixing outer pressing mold 2 and second fixing outer pressing mold 3 compositions in rotatable, after two rotatable interior pressing molds 1 assemble, portion is the groove 12 that has certain protrusion angles and rising height on the base shape of circular port within it, and this groove has pitch, described adjustment torsional moment friction plate 4 is arranged between the second fixing outer pressing mold 3 and the rotatable pressing mold 1, regulates the rotation friction size effect that turns interior pressing mold 1 by the adjustment torsional moment bolt 5 that adjustment is installed on the described second fixing outer pressing mold 3:
Hang down the outer pitch value of wind noise lead and the pitch and groove 12 degree of depth that the rising height design turns the screw thread 11 of interior pressing mold 1 according to the system of strand, can change the position of adjusting torsional moment friction plate 4 by the adjustment torsional moment bolt 5 that rotates on the described second fixing outer pressing mold 3, make that contacting of adjustment torsional moment friction plate 4 and rotatable interior pressing mold 1 is tightr, pressure between the two also increases thereupon, thereby can change the frictional force between low wind noise lead and the film pressing device.
2. device as claimed in claim 1, it is characterized in that by adjust described rotatable in position of related features, dimensional tolerance and the fit tolerance of pressing mold 1, the first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 realize the good Rotation Symmetry of lead stranding die mold device with low wind noise, thereby guaranteeing to twist makes next conductive line surfaces pitch and has good consistency.
3. as the described device of claim 1-2, the material that it is characterized in that described rotatable interior pressing mold 1 is wear resistant nylon, bakelite or YG8 carbide alloy, the material of the first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 is stainless steel or aluminium alloy, and the material of adjusting torsional moment friction plate 4 is a nylon.
4. as the described device of claim 1-3, it is characterized in that described rotatable interior pressing mold 1 adopts the carbide alloy manufacturing, the described first fixing outer pressing mold 2 and the second fixing outer pressing mold 3 adopt the aluminium alloy manufacturing, the intensity of its material is adjusted torsional moment friction plate 4 and is adopted the bigger wear resistant nylon manufacturing of coefficient of friction less than the intensity of pressing mold 1 in rotatable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910236877XA CN101707091B (en) | 2009-11-04 | 2009-11-04 | Lead stranding die mold device with low wind noise |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910236877XA CN101707091B (en) | 2009-11-04 | 2009-11-04 | Lead stranding die mold device with low wind noise |
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| CN101707091A true CN101707091A (en) | 2010-05-12 |
| CN101707091B CN101707091B (en) | 2011-08-17 |
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| CN200910236877XA Active CN101707091B (en) | 2009-11-04 | 2009-11-04 | Lead stranding die mold device with low wind noise |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103910A (en) * | 2010-12-24 | 2011-06-22 | 东莞市民兴电缆有限公司 | Roller of tubular strander |
| CN109273243A (en) * | 2018-09-28 | 2019-01-25 | 安溪达亚齐机械设计有限公司 | The coiling elasticity adjusting mechanism of transformer coiling device |
| CN109559857A (en) * | 2018-12-26 | 2019-04-02 | 天长市创远线缆设备有限公司 | A kind of cable-former device of fast production lines cable |
| CN111688075A (en) * | 2020-06-28 | 2020-09-22 | 浙江工业大学之江学院 | Rapid die sleeving device and method |
-
2009
- 2009-11-04 CN CN200910236877XA patent/CN101707091B/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103910A (en) * | 2010-12-24 | 2011-06-22 | 东莞市民兴电缆有限公司 | Roller of tubular strander |
| CN102103910B (en) * | 2010-12-24 | 2012-09-19 | 东莞市民兴电缆有限公司 | Roller of tubular strander |
| CN109273243A (en) * | 2018-09-28 | 2019-01-25 | 安溪达亚齐机械设计有限公司 | The coiling elasticity adjusting mechanism of transformer coiling device |
| CN109273243B (en) * | 2018-09-28 | 2020-10-13 | 咸阳中凯瑞达电子有限公司 | Winding tightness adjusting mechanism of transformer winding device |
| CN109559857A (en) * | 2018-12-26 | 2019-04-02 | 天长市创远线缆设备有限公司 | A kind of cable-former device of fast production lines cable |
| CN111688075A (en) * | 2020-06-28 | 2020-09-22 | 浙江工业大学之江学院 | Rapid die sleeving device and method |
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| Publication number | Publication date |
|---|---|
| CN101707091B (en) | 2011-08-17 |
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Owner name: STATE ELECTRIC NET CROP. Effective date: 20130129 |
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Effective date of registration: 20130129 Address after: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee after: China Electric Power Research Institute Patentee after: State Grid Corporation of China Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |