CN201365100Y

CN201365100Y - Tensioning line clamp

Info

Publication number: CN201365100Y
Application number: CNU2009200097302U
Authority: CN
Inventors: 高裕彬
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-02-18
Filing date: 2009-02-18
Publication date: 2009-12-16
Anticipated expiration: 2019-02-18

Abstract

The utility model discloses a tensioning line clamp, which comprises a line clamp body, a tapered sleeve and a locking component, wherein one end of the locking component is selectively implemented as a steel ring or a connecting part, the tensioning line clamp is particular suitable for fixing combination or connecting use of a carbon fiber aluminum stranded wire in a high voltage electrical power transmission route, and is characterized in that the line clamp body is provided with a tapered hole inner diameter to match with and penetrate into the tapered sleeve, the line clamp body can allow the carbon fiber aluminum stranded wire to penetrate into, the other end of the line clamp body is provided with an inner threaded hole, two ends of the tapered sleeve are respectively provided with two or more than two cutting grooves which are not penetrated into in a staggered mode, which enables the tapered sleeve to have the telescopic elasticity, a carbon fiber beam in the carbon fiber aluminum stranded wire can be locked into through a locking component whose one end is provided with corresponding external threads after penetrating into the tapered sleeve, and then the tapered sleeve can be pushed forward to one end, which enables the tapered sleeve to tightly wrap the carbon fiber beam in the carbon fiber aluminum stranded wire, thereby obtaining the effects of fixing or connecting combination.

Description

Strain clamp

Technical field

The relevant a kind of device that is applicable to the secure bond of carbon fiber aluminium stranded conductor in the high-tension electricity transmission line or continues and use of the utility model, particularly a kind of strain clamp design.

Background technology

Tradition is used in the lead (cable) in the high-tension electricity transmission line, usually all adopt zinc-plated steel core or aluminium Baogang core construct, it is a kind of aluminium conductor steel core, what be that traditional transmission cable uses is steel core, for outside wraparound has the aluminum wire configurations, but above-mentioned traditional lead (cable) in fact and be not suitable for the condition of high temperature, ruckbildung takes place in the lead of aluminium Baogang core outside aluminium wire easily when wire high-temperature, so that lose original rigidity and can't bear huge tension force, cause sagging yardstick to strengthen; Because the shortcoming of above-mentioned conventional wires, at present lead all change into in succession adopt aluminum conductor composite core lead (cable) (ACCC), just general " the carbon fiber aluminium stranded conductor " that is generally called, this ACCC aluminum conductor composite core is the research and development result who is provided according to the distribution market demand by U.S. CTC composite material Science and Technology Ltd., be used for transmission of electricity for specializing in, the high-performance composite materials core cable of distribution, by contrast, the ACCC cable is lightweight more, because adopt carbon fibre composite core than light weight and reduced size, therefore can increase the weight capacity of integral material, and dwindle the core volume of cable, and can provide traditional cable double electric weight, the softening sagging problem of the cable that particularly can effectively solve high temperature and caused.

Yet, the lead of above-mentioned ACCC aluminum conductor composite core (cable), after using, find, because it has the fragile characteristic of carbon fibrillation, therefore add man-hour by waveform, be easy to take place the brittle failure phenomenon, and also be short of resistance to wear simultaneously, therefore the strain clamp that uses of tradition is in the secure bond of above-mentioned carbon fiber aluminium stranded conductor (cable) or continue and use and be not suitable for using known strain clamp.

The utility model content

In view of this, main order of the present utility model is to provide a kind of strain clamp that is applicable to that carbon fiber aluminium stranded conductor in the high-tension electricity transmission line (being the lead of ACCC aluminum conductor composite core) carries out secure bond or continues and use.

For achieving the above object, the strain clamp that the utility model provides comprises wire clip body, conical sleeve and can supply the locking member (the one end can be embodied as steel loop or continual-connecting-part) of fixing or the combination that continues, wire clip body has the taper hole internal diameter that an end supplies the carbon fiber bundle of carbon fiber aluminium stranded conductor to penetrate, and the taper hole internal diameter other end offers inner bolt hole; The conical sleeve coupling is inserted the taper hole internal diameter of described wire clip body, the conical sleeve two ends are offered twice respectively or are not penetrated profile groove more than the twice in the mode that staggers, and described conical sleeve inside be shaped to the carbon fiber aluminium stranded conductor in carbon fiber bundle be adaptive straight tube internal diameter; Locking member one end has with described wire clip body one end inner bolt hole and is adaptive relative external screw thread, the externally threaded end of described locking member tool contacts a wide mouthful of end of conical sleeve relatively, and lock described wire clip body, force described conical sleeve to advance to the other end;

Strain clamp of the present utility model, the best of its conical sleeve is implemented, and makes conical sleeve have preferable contraction elasticity with the two ends profile groove that forms two pairs or more that staggers respectively.

The utility model also provides a kind of strain clamp, and it comprises two wire clip bodies, two conical sleeves and a locking member; All have the taper hole internal diameter that the carbon fiber bundle for the carbon fiber aluminium stranded conductor penetrates in described two wire clip bodies, each wire clip body one end offers inner bolt hole; Two conical sleeves all mate the taper hole internal diameter that penetrates wire clip body, the conical sleeve two ends are offered two pairs or more the profile groove that do not penetrate respectively in the mode that staggers, each conical sleeve inside all be shaped to the carbon fiber aluminium stranded conductor in carbon fiber bundle be adaptive straight tube internal diameter; The locking member two ends all have with the wire clip body inner bolt hole and are adaptive relative external screw thread, the external screw thread front end at two ends forms pushing part again, be drilled with shrinkage pool in the pushing part, and locking member is contacted a wide mouthful of end of conical sleeve respectively by the pushing part at two ends as bridge joint, the described wire clip body at two ends is all locked at the externally threaded two ends of described locking member tool, forces the described conical sleeve on both sides to advance to the other end.

Utilize above-mentioned wire clip body, conical sleeve and locking member, the conical sleeve coupling that two ends is had stagger shape twice or the above profile groove of twice penetrates in the wire clip body, after carbon fiber bundle in the carbon fiber aluminium stranded conductor penetrated wire clip body and conical sleeve, lock wire clip body relatively with locking member again, making conical sleeve be forced to the other end advances, can make the carbon fiber bundle in conical sleeve and the carbon fiber aluminium stranded conductor form urgent double team, to obtain splendid fixing or continuing in conjunction with effect.

Description of drawings

Following conjunction with figs. describes feature of the present utility model and advantage in detail:

Fig. 1 is the exploded perspective view of the utility model strain clamp;

Fig. 2 is the compound section stereogram of the utility model strain clamp;

Fig. 3 is the preceding cross section exploded view of the utility model strain clamp combination;

Fig. 4 is the sectional view after the utility model strain clamp combination;

Fig. 5 is the end view of conical sleeve element in the utility model strain clamp;

Fig. 6 is for setting up the embodiment end view of more profile grooves at the conical sleeve two ends in the strain clamp of the present utility model;

The another kind of embodiment exploded perspective view that Fig. 7 continues and makes up as the carbon fiber aluminium stranded conductor for strain clamp of the present utility model;

Fig. 8 is the combination stereogram of Fig. 7 embodiment.

Embodiment

As shown in Figures 1 to 4, strain clamp of the present utility model is meant and is particularly suitable for carbon fiber aluminium stranded conductor 10 in the high-tension electricity transmission line and provides as secure bond or the device that continues and use, its formation comprises that at least wire clip body 1, conical sleeve 2 and an end have the locking member 3 of steel loop 33, wherein:

Wire clip body 1, it has taper hole internal diameter 11, these wire clip body 1 one ends can penetrate for the carbon fiber bundle 101 of carbon fiber aluminium stranded conductor 10, the other end offers inner bolt hole 12, described taper hole internal diameter 11 can mate inserts conical sleeve 2, and an end of wire clip body 1 also can be provided with parallel cut surface 13 in both sides external, can cooperate clamping in order to closure tool to be provided;

Conical sleeve 2, it can mate the taper hole internal diameter 11 of inserting wire clip body 1, the two ends of this conical sleeve 2 are offered twice respectively or are not penetrated profile groove 21 more than the twice in the mode that staggers, 22, make conical sleeve 2 have collapsible elasticity, but these conical sleeve 2 inside be shaped to carbon fiber aluminium stranded conductor 10 in carbon fiber bundle 101 be adaptive straight tube internal diameter 23, penetrate to be fit to carbon fiber bundle 101 correspondences, the best of described again conical sleeve 2 is implemented, stagger respectively with two ends and to form two pairs or more profile groove 21,22 (as Fig. 5, shown in Figure 6), therefore have better contraction elasticity;

Locking member 3, the one end has with wire clip body 1 one end inner bolt holes 12 and is adaptive relative external screw thread 31, form pushing part 32 again at external screw thread 31 front ends, be drilled with shrinkage pool 321 in the pushing part 32, this pushing part 32 can contact a wide mouthful of end of conical sleeve 2 relatively, and its other end can be selected to be embodied as and is provided with steel loop 33, the also visual carbon fiber bundle 101 of the other end form of this locking member 3 is used in the purposes of the combination that continues and changes arbitrarily, one end of locking member 3 for example shown in Figure 1 is the forms that are embodied as steel loop 33, but locking member 3a shown in Figure 7 slightly makes change, to be provided as two sections carbon fiber bundle 101 bridge joint screw assemblies (seeing aftermentioned for details) in the carbon fiber aluminium stranded conductor 10;

Utilize above-mentioned wire clip body 1, conical sleeve 2 and locking member 3, conical sleeve 2 couplings penetrate wire clip body 1, after carbon fiber bundle in the carbon fiber aluminium stranded conductor 10 101 penetrated wire clip body 1 and conical sleeve 2, lock wire clip body 1 with locking member 3 again, making conical sleeve 2 be forced to the other end advances, therefore make the carbon fiber bundle 101 in conical sleeve 2 and the carbon fiber aluminium stranded conductor 10 can form urgent double team, obtain the effect of splendid secure bond.

Carbon fiber bundle 101 in the above-mentioned carbon fiber aluminium stranded conductor 10 is when conical sleeve 2 is forced to advance, the shrinkage pool 321 of described locking member 3 front end pushing parts 32, it provides the carbon fiber bundle 101 of carbon fiber aluminium stranded conductor 10 to accommodate to hold and receives, can inwardly advance in order to strengthen conical sleeve 2, so that reach good urgent combination.

And for example Fig. 7, embodiment shown in Figure 8, disclose the continual-connecting-part that the utility model can be used as the carbon fiber bundle 101 of carbon fiber aluminium stranded conductor 10, it is made up of members such as wire clip body 1, conical sleeve 2 and locking member 3a equally, but it is during as the use form of continual-connecting-part, it constitutes and then to comprise two wire clip bodies 1, two conical sleeves 2 and locking member 3a, in like manner as can be known, wherein:

Two wire clip bodies 1 also have taper hole internal diameter 11 in each body, the one end offers inner bolt hole 12, and body one end both sides external can be provided with parallel cut surface 13, provide closure tool to cooperate clamping, and are sealed conveniently to carry out;

Two conical sleeves 2, also all can mate the taper hole internal diameter 11 that penetrates wire clip body 1, conical sleeve 2 two ends are offered twice respectively or are not penetrated profile groove 21 more than the twice in the mode that staggers, 22, make conical sleeve 2 have collapsible elasticity, but these conical sleeve 2 inside also are the carbon fiber bundles 101 that is shaped to carbon fiber aluminium stranded conductor 10 is adaptive straight tube internal diameter 23, penetrate with carbon fiber bundle 101 correspondences that are fit to carbon fiber aluminium stranded conductor 10, same, the best of described conical sleeve 2 is implemented, stagger respectively with two ends and to form two pairs or

more profile groove

21,22, can have preferable contraction elasticity;

Locking member 3a, its two ends all have with wire clip body 1 inner bolt hole 12 and are adaptive relative external screw thread 31a, the external screw thread 31a front end at two ends also forms pushing part 32a again, and pushing part 32a is also interior to bore shrinkage pool 321a, and the pushing part 32a at two ends all can contact a wide mouthful of end of conical sleeve 2 respectively;

Utilize above-mentioned member to form, it mates two conical sleeves 2 respectively and penetrates each wire clip body 1, and after the carbon fiber bundle 101 of the carbon fiber aluminium stranded conductor 10 on both sides penetrated wire clip body 1 and conical sleeve 2 respectively, lock the wire clip body 1 at two ends again with locking member 3a, making both sides conical sleeve 2 all be forced to the other end advances, therefore can borrow locking member 3a as bridge joint, and form urgent double team respectively by the carbon fiber bundle 101 of both sides conical sleeve 2 and both sides carbon fiber aluminium stranded conductor 10, can obtain splendid continuing in conjunction with effect.

Above-mentioned locking member 3a can be equipped with parallel cut surface 34a in the stage casing of body or the both sides external of other chosen place, carries out sealed work in order to the clamping that closure tool conveniently is provided; Remove the inner bolt hole 12 of these above-mentioned two wire clip bodies 1 and the external screw thread 31a of locking member 3a, be opposite adaptive hand of spiral during enforcement, therefore can be locked in the both end sides of locking member 3a simultaneously.

In addition, shown in Fig. 2 embodiment, wire clip body 1 of the present utility model can be provided with and utilize welding or directly cast Y type or the two plate drainage plate 35 that is the one combination, makes this Y type or two plate drainage plate 35 plant sealed with the drainage tube 36 of writing board shape.And this indicates.

The above is preferred embodiment of the present utility model only, is not to be used to limit protection range of the present utility model.

Claims

1, a kind of strain clamp, it comprises wire clip body, conical sleeve and locking member at least, it is characterized in that,

Described wire clip body, it has the taper hole internal diameter that an end supplies the carbon fiber bundle of carbon fiber aluminium stranded conductor to penetrate, and the described taper hole internal diameter other end offers inner bolt hole;

Described conical sleeve, its coupling is inserted the taper hole internal diameter of described wire clip body, described conical sleeve two ends are offered twice respectively or are not penetrated profile groove more than the twice in the mode that staggers, and described conical sleeve inside be shaped to the carbon fiber aluminium stranded conductor in carbon fiber bundle be adaptive straight tube internal diameter;

Described locking member, the one end has with described wire clip body one end inner bolt hole and is adaptive relative external screw thread, the externally threaded end of described locking member tool is a wide mouthful of end of the described conical sleeve of contact relatively, and lock described wire clip body, forces described conical sleeve to advance to the other end.

2, strain clamp as claimed in claim 1 is characterized in that, an end both sides external of described wire clip body is provided with parallel cut surface.

3, strain clamp as claimed in claim 1 is characterized in that, staggers respectively and form two pairs or more profile groove in the two ends of described conical sleeve.

4, strain clamp as claimed in claim 1 is characterized in that, described locking member forms pushing part again at described external screw thread front end, and is drilled with shrinkage pool in the described pushing part.

5, strain clamp as claimed in claim 1 is characterized in that, an end of described locking member is embodied as the form of steel loop.

6, a kind of strain clamp, it comprises two wire clip bodies, two conical sleeves and a locking member, it is characterized in that,

All have the taper hole internal diameter that the carbon fiber bundle for the carbon fiber aluminium stranded conductor penetrates in described two wire clip bodies, each described wire clip body one end offers inner bolt hole;

Described two conical sleeves, all coupling penetrates the taper hole internal diameter of described wire clip body, described conical sleeve two ends are offered two pairs or more the profile groove that do not penetrate respectively in the mode that staggers, each described conical sleeve inside all be shaped to the carbon fiber aluminium stranded conductor in carbon fiber bundle be adaptive straight tube internal diameter;

Described locking member, its two ends all have with described wire clip body inner bolt hole and are adaptive relative external screw thread, the external screw thread front end at described two ends forms pushing part again, be drilled with shrinkage pool in the described pushing part, and described locking member is contacted a wide mouthful of end of conical sleeve respectively by the described pushing part at two ends as bridge joint, the described wire clip body at two ends is all locked at the externally threaded two ends of described locking member tool, forces the described conical sleeve on both sides to advance to the other end.

7, strain clamp as claimed in claim 6 is characterized in that, an end both sides external of described wire clip body is provided with parallel cut surface.

8, strain clamp as claimed in claim 6 is characterized in that, described locking member is provided with parallel cut surface in the body exterior both sides.