CN102412522A - Clamping block of lead clamping device - Google Patents
Clamping block of lead clamping device Download PDFInfo
- Publication number
- CN102412522A CN102412522A CN2011104222074A CN201110422207A CN102412522A CN 102412522 A CN102412522 A CN 102412522A CN 2011104222074 A CN2011104222074 A CN 2011104222074A CN 201110422207 A CN201110422207 A CN 201110422207A CN 102412522 A CN102412522 A CN 102412522A
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- Prior art keywords
- lead
- cable clamping
- clamping interface
- fixture block
- radius
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Abstract
The invention discloses a clamping block of a lead clamping device for the lead clamping device. When the lead clamping device is used, two clamping blocks of the same structure are arranged symmetrically, and the clamping blocks can not slide in lead clamping; each clamping block comprises a lead clamping arc surface, a transition arc surface, a plane at the port of a lead clamping groove and threaded connection holes, wherein the clamping block body is approximate to be cuboid; a multi-head helical lead clamping groove is processed on a plane of the clamping block body along the length direction; the space, the turning direction and the lead angle of the lead clamping groove are the same as those of each strand aluminum lead of an lead outer ring; the cross section of the lead clamping groove is a wave-shaped arc cross section which is formed by a plurality of lead clamping arc surfaces the radius r1 of each of which equals to the radius of the single strand aluminum lead of the lead outer ring and a plurality of transition arc surfaces with the radius r2, wherein the lead clamping arc surfaces are tangent with the transition arc surfaces; the transition arc surfaces at two sides are respectively tangent with the plane at the port of the lead clamping groove; and the threaded connection holes are arranged at the two planes which are adjacent to the plane for the lead clamping groove along the length direction of each clamping block.
Description
Technical field
The invention belongs to the accessory of a kind of small appliances in the power line construction, what be specifically related to is that a kind of lead clamping device is used the fixing-line device fixture block.Lead described here is aluminium stranded conductor or a steel reinforced aluminium conductor used on the ultra-high-tension power transmission line, and it is a whole bare wire being pressed same rotation direction and certain lead angle coiled by many circles (or multilayer) and every circle by several sub-threads, equal diameter aluminum steel around the lead center.
Background technology
Lead clamping device is a kind of indispensable utensil in the power line construction, is in the spreading conducting wire process, to be used for wire termination is blocked so that to the utensil of its traction.Lead clamping device adopts quadric chain more, and two card wire clamp head main bodies that cable clamping interface is parallel to each other about making move in opposite directions, blocks lead through the cable clamping interface on the card wire clamp head main body.Because the cable clamping interface position of card wire clamp head is different with hardness and the intensity that its main body requires in the course of the work; Difficult technique is to guarantee during one-piece parts heat treatment; So generally adopt now and will block the wire clamp head main body and make split type; Promptly manufacture a fixing-line device fixture block that has cable clamping interface, again it is bumped in the fixture block link slot of two card wire clamp head main bodies up and down, and through being threaded on the card wire clamp head main body.No matter be integral type or split type card wire clamp head; Its cable clamping interface all is identical; The section of being face arc radius bar-shaped troughs identical all with the lead exradius; Circular arc bar shaped groove face have for the light face, what have is processed with width and the degree of depth all less than reticulate pattern or the twill groove of 0.5mm, with the frictional force of increase fixing-line device and lead on groove face in order to prevent to skid.Even now does not fundamentally solve fixing-line device problem of slip in the unfolding conductor process yet, and when fixing-line device skidded, gently then fixing-line device came off from wire termination, and is heavy then can cause tower to ruin the serious consequence that the people dies.
The key reason that existing lead clamping device occurs skidding in traction guidewire movement process is: because cable clamping interface is stuck in the outer round surface of lead; Only depend on the frictional force traction; When unwrapping wire process laying tension suddenlys change or strong wind occurs; Moment lead impose on fixing-line device impose on the tractive effort forward of lead to backward pull greater than fixing-line device, cause fixing-line device to skid, make existing lead clamping device this phenomenon occur and be difficult to avoid.
Summary of the invention
The objective of the invention is to overcome the existing in prior technology deficiency; A kind of fixing-line device fixture block that is used on the lead clamping device is proposed; In the unfolding conductor process, when laying tension suddenlyd change or strong wind occurs, lead clamping device fixture block and lead can not skid; Guarantee job safety, not damage wires.
The technical scheme that realizes above-mentioned purpose is: a kind of fixing-line device fixture block; During use two be symmetrical set and two structures identical; Each fixing-line device fixture block comprises fixture block body, card bank face, transition cambered surface, cable clamping interface mouth plane and threaded connection hole; It is characterized in that: the fixture block body is similar to cuboid; On plane along its length of fixture block body, be processed with a multi-head spiral shape cable clamping interface, the rotation direction of helical form cable clamping interface is identical with the rotation direction and the lead angle of each sub-thread aluminum steel of lead outer ring with lead angle, and it is r by a plurality of radiuses that helical form cable clamping interface section is one
1Card bank face and a plurality of radius be r
2The wavy arc-shaped sections that forms of transition cambered surface, it is R that card bank vertex of surface is distributed in radius
1Circular arc on, card bank interplanar distance equals the spacing of the every adjacent two strands of aluminum steels in lead outer ring, it is R that the intermediate transition arcs summit is distributed in radius
2Circular arc on, card bank face and transition cambered surface is tangent, two the transition cambered surfaces in cable clamping interface both sides are tangent with two cable clamping interface mouth planes respectively again, radius is R
1With R
2Two circular arc centers of circle on the symmetrical center line of cable clamping interface section; And it is concentric with lead; The center of circle is n to the distance on cable clamping interface mouth plane, and the card bank face of helical form cable clamping interface and the intersection of transition cambered surface are many equal space lines along the floor projection of fixture block body length direction.
Be provided with threaded connection hole with two adjacent planes of plane, cable clamping interface place along its length on the fixture block body, this hole is a through hole, through this hole the fixing-line device fixture block is fixed on the card wire clamp head main body.
Effect of the present invention is: the fixing-line device fixture block of manufacturing according to such scheme is bumped into lead clamping device up and down behind two card wire clamp head main bodies, in the spreading conducting wire process with it; The fixing-line device fixture block is similar to lead and is threaded, and has increased the friction area of fixing-line device and lead on the one hand greatly, helps reducing the lead damage; On the other hand; When the moment sudden change of unwrapping wire system tension, skidding can not take place in lead clamping device and lead, and the unfolding conductor process is safe and reliable.
Description of drawings
Fig. 1 is the section structure enlarged diagram of one embodiment of the invention fixing-line device fixture block clamping lead.
Fig. 2 is the section structure enlarged diagram of the single fixing-line device fixture block of one embodiment of the invention.
Fig. 3 is the vertical view behind dwindling of Fig. 2 and the half-twist.
Fig. 4 is the vertical view of Fig. 3.
Among the figure: 1. fixture block body, 2. threaded connection hole, 3. card bank face, 4. transition cambered surface, 5. cable clamping interface mouth plane, 6. cable clamping interface, 7. lead.
Embodiment:
Below in conjunction with accompanying drawing the present invention is described further.
Like Fig. 1～shown in Figure 4; Two were symmetrical set when fixing-line device fixture block of the present invention used; Two structures are identical; Each fixing-line device fixture block is a single piece, on a plane along its length of fixing-line device fixture block body 1, is provided with cable clamping interface 6, and each line clamped block body 1 profile is an approximate cuboid.
As shown in Figure 2, the section of cable clamping interface 6 be one by radius r
1The card bank face 3 that equals the sub-thread aluminum steel radius of lead 7 outer rings is r with radius
2Transition cambered surface 4 form, the arc summit, garden of card bank face 3 and intermediate transition arcs 4 is distributed in radius R respectively
1With half through R
2The garden arc on, card bank face 3 is tangent with transition cambered surface 4, forms a wavy flute profile cambered surface, R
1Equal the exradius of lead 7, R
1And R
2Difference generally get about 1mm R
1With R
2The arc center of circle, two gardens on the center line of cable clamping interface 6; And it is concentric with lead 7; Two the transition cambered surfaces 4 in the both sides of cable clamping interface 6 are tangent with two cable clamping interface mouth planes 5 respectively again, and the center of circle of cable clamping interface 6 is n to the distance on cable clamping interface mouth plane 5, according to the diameter of lead 7; N generally gets 1～3mm, and cable clamping interface mouth plane 5 contacts when avoiding the work of two fixing-line device fixture blocks.
Like Fig. 2, shown in Figure 3; Cable clamping interface 6 is multi-head spiral shape cambered surface bar-shaped troughs; Its spiral fluted spacing, rotation direction and lift angle are identical with spacing, rotation direction and the lift angle of the per share aluminum steel in lead 7 outer rings, and the card bank face 3 of cable clamping interface 6 and the intersection of transition cambered surface 4 are many equal space lines along the floor projection of the length direction of cable clamping interface 6.
Like Fig. 2, shown in Figure 4; Fixture block body 1 is provided with threaded connection hole 2 along two sides of plane, cable clamping interface 6 place length direction; This hole is a through hole; Through this hole line clamped block is fixed on the card wire clamp head main body, two planes, place, this hole and be arc transition near being parallel to one side two ends, plane, cable clamping interface 6 place so that on card wire clamp head main body processing line clamped block link slot.
Because the radius r of card bank face 3
1Equal radius, the R of the outer ring sub-thread aluminum steel of lead 7
2Helicla flute spacing, rotation direction and the lift angle of exradius, cable clamping interface 6 that equals lead 7 is identical with spacing, rotation direction and the lift angle of the per share lead of lead 7 outer rings; The lead of fixing-line device is the length direction of lead 7, and lead 7 can not rotate in distraction procedure, so fixing-line device is when traction lead 7; Both are similar to and are threaded; Each card bank face 3 of fixing-line device fixture block all is stuck on the outer surface of one aluminum steel of lead 7 outer rings, has increased the friction area of fixing-line device and lead 7 so on the one hand greatly, helps reducing lead and damages; On the other hand; When the moment sudden change of unwrapping wire system tension, lead 7 can't be deviate from from cable clamping interface 6, makes the unfolding conductor process safe and reliable.
Claims (4)
1. fixing-line device fixture block; During use two be symmetrical set and two structures identical; Each fixing-line device fixture block comprises fixture block body, card bank face, transition cambered surface, cable clamping interface mouth plane and threaded connection hole; It is characterized in that: the fixture block body is similar to cuboid; On plane along its length of fixture block body, be processed with a multi-head spiral shape cable clamping interface, the rotation direction of helical form cable clamping interface is identical with the rotation direction and the lead angle of each sub-thread aluminum steel of lead outer ring with lead angle, and it is r by a plurality of radiuses that helical form cable clamping interface section is one
1Card bank face and a plurality of radius be r
2The wavy arc-shaped sections that forms of transition cambered surface, it is R that card bank vertex of surface is distributed in radius
1Circular arc on, card bank interplanar distance equals the spacing of the every adjacent two strands of aluminum steels in lead outer ring, it is R that the intermediate transition arcs summit is distributed in radius
2Circular arc on, card bank face and transition cambered surface is tangent, two the transition cambered surfaces in cable clamping interface both sides are tangent with two cable clamping interface mouth planes respectively again, radius is R
1With R
2Two circular arc centers of circle on the symmetrical center line of cable clamping interface section; And it is concentric with lead; The center of circle is n to the distance on cable clamping interface mouth plane, and the card bank face of helical form cable clamping interface and the intersection of transition cambered surface are many equal space lines along the floor projection of fixture block body length direction.
2. according to the described a kind of fixing-line device fixture block of claim 1, it is characterized in that: said card bank radius surface r
1Equal the sub-thread aluminum steel radius of lead outer ring.
3. according to the described a kind of fixing-line device fixture block of claim 1, it is characterized in that: arc summit, the garden distribution circle radius R of said card bank face and transition cambered surface
1And R
2Difference generally get about 1mm; R
1And R
2With one heart and the center of circle be about 1～3mm to cable clamping interface mouth plane apart from n.
4. according to the described a kind of fixing-line device fixture block of claim 1, it is characterized in that: be provided with threaded connection hole with two adjacent planes of plane, cable clamping interface place along its length on the said fixture block body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422207.4A CN102412522B (en) | 2011-12-16 | 2011-12-16 | Clamping block of lead clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110422207.4A CN102412522B (en) | 2011-12-16 | 2011-12-16 | Clamping block of lead clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102412522A true CN102412522A (en) | 2012-04-11 |
| CN102412522B CN102412522B (en) | 2014-01-15 |
Family
ID=45914448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110422207.4A Expired - Fee Related CN102412522B (en) | 2011-12-16 | 2011-12-16 | Clamping block of lead clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102412522B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625993A (en) * | 2013-12-04 | 2014-03-12 | 贵州长江通信实业有限公司 | Double-strand wire clamp |
| CN104485603A (en) * | 2014-11-18 | 2015-04-01 | 国网安徽省电力公司阜阳供电公司 | Dual-insulator professional hooking tool |
| US20210016377A1 (en) * | 2019-07-19 | 2021-01-21 | The Boeing Company | Fixture that holds a specimen during electrical discharge machining of the specimen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201853985U (en) * | 2010-11-04 | 2011-06-01 | 湖州市三利线缆有限公司 | Wire clamping buckle |
| US20110315420A1 (en) * | 2010-06-29 | 2011-12-29 | Larkin Kevin B | Cable Boot and Clamp Cable Mounting System |
| CN202373894U (en) * | 2011-12-16 | 2012-08-08 | 李刚 | Clamping block of wire clamping device |
-
2011
- 2011-12-16 CN CN201110422207.4A patent/CN102412522B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110315420A1 (en) * | 2010-06-29 | 2011-12-29 | Larkin Kevin B | Cable Boot and Clamp Cable Mounting System |
| CN201853985U (en) * | 2010-11-04 | 2011-06-01 | 湖州市三利线缆有限公司 | Wire clamping buckle |
| CN202373894U (en) * | 2011-12-16 | 2012-08-08 | 李刚 | Clamping block of wire clamping device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103625993A (en) * | 2013-12-04 | 2014-03-12 | 贵州长江通信实业有限公司 | Double-strand wire clamp |
| CN103625993B (en) * | 2013-12-04 | 2016-08-17 | 贵州长江通信实业有限公司 | double-strand wire clamp |
| CN104485603A (en) * | 2014-11-18 | 2015-04-01 | 国网安徽省电力公司阜阳供电公司 | Dual-insulator professional hooking tool |
| CN104485603B (en) * | 2014-11-18 | 2017-01-11 | 国网安徽省电力公司阜阳供电公司 | Dual-insulator professional hooking tool |
| US20210016377A1 (en) * | 2019-07-19 | 2021-01-21 | The Boeing Company | Fixture that holds a specimen during electrical discharge machining of the specimen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102412522B (en) | 2014-01-15 |
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Granted publication date: 20140115 Termination date: 20151216 |
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