CN205863858U - Carbon fiber complex core strain clamp - Google Patents

Abstract

The utility model discloses a kind of carbon fiber complex core strain clamp, including strain clamp body, steel anchor, drainage plate and conduction wire clamp, strain clamp body becomes hollow tubular, steel anchor includes link and anchor pole, anchor pole is located in the end of described strain clamp body, described strain clamp body includes straight bar section and crimp segment, one end of anchor pole is hollow blind pipe portion, the other end is solid part, hollow blind pipe portion is positioned at the straight bar section of strain clamp body, solid part is positioned at the crimp segment of strain clamp body, solid part is connected with link, one end of drainage plate is fixed on the straight bar section of strain clamp body, the other end is connected with conduction wire clamp, it is provided with, in the hollow blind pipe portion of described anchor pole, the hollow pipe that hardness ratio carbon fiber complex core hardness is little.

Description

Carbon fiber complex core strain clamp

Technical field

This utility model relates to electric armour clamp technical field, a kind of strand formula carbon fiber composite core wire that is applicable to Strain clamp.

Background technology

At present, overhead transmission line, when by anchor support, is fixed on anchor support cross-arm by the string of resistance to bracing cable, and uses jumping Line carries out drain and has completed the connection of overhead transmission line overhead transmission line, at this moment needs to use strain clamp to complete overhead transmission line And fixing between strain insulator-string, plays gripping wire and the drain to overhead transmission line, and conventional strain insulator folder includes resistance to bracing cable Folder body, steel anchor, drainage plate and conduction wire clamp.

In prior art, one end of strain clamp body connection wire realizes both connections, traditional transmission of electricity by crimping Line typically uses steel-cored aluminium strand, and owing to steel-cored aluminium strand has magnetic loss, longtime running line loss is relatively big, when temperature is higher also The degree of speeding making circuit is increased, brings bigger potential safety hazard to the operation of power system, ferrum must be increased for eliminating this hidden danger Tower height degree or minimizing tower spacing, be especially necessary for changing steel tower in the case of system increase-volume, so, not only can increase Add workload, increase steel tower root and open, reduce greenery patches, and cause serious economic loss, therefore, in current electric network reconstruction process In the steel-cored aluminium strand of part circuit has been changed into strand formula aluminium twisted wire with carbon fiber composite core, first strand formula carbon fiber is combined during installation Core aluminum stranded wire is fixing with the crimping of steel anchor, crimps in the both sides crimping point after putting strain clamp body again, although strand formula carbon Fiber composite core aluminum stranded wire have lightweight, intensity is big, low line loss, degree of speeding are little, high temperature resistant, corrosion-resistant affine with environment etc. excellent Point, but strand formula aluminium twisted wire with carbon fiber composite core is fragility wire, in the case of radial force is uneven, easily causes fiber Damage makes it rupture, thus reduces the bearing capacity in strand formula aluminium twisted wire with carbon fiber composite core fair line direction, so existing strain insulator Wire clamp cannot adapt to the strain insulator of strand formula aluminium twisted wire with carbon fiber composite core at all to be fixed.

In order to overcome deficiency of the prior art, Chinese patent CN200720093999 discloses a kind of strand formula carbon fiber Compound core conducting wire strain clamp, including wire clip body, conduction wire clamp, steel anchor, connecting bolt and internal lining pipe, described wire clip body The wedge grip matched with its internal via shape in being inside provided with wedge shape holder and wedge shape holder, and in wire clip body, set up liner Pipe, above-mentioned design has the drawback that above-mentioned strain clamp is only applicable to sub-thread carbon fiber composite core wire, and this utility model relates to And not only go for sub-thread carbon fiber composite core wire but also go for multi-strand carbon fiber composite core strand system form Strand formula carbon fiber composite core wire, strand formula carbon fiber complex core outer peripheral face when fixing and the contact internal walls area of wedge grip Little, some approximates point cantact, so when crimping, wedge grip acts on the crimp force on strand formula carbon fiber complex core contact point not Can be evenly distributed on the outer peripheral face of strand formula carbon fiber complex core, easily cause certain point on strand formula carbon fiber complex core outer peripheral face Pressure excessive and damage wire.

Utility model content

In order to overcome the deficiencies in the prior art, this utility model provides a kind of in order to solve strand formula carbon fiber complex core aluminum The strain clamp of the requirements such as twisted wire wire connects, fixing, tension.

To achieve these goals, the technical solution adopted in the utility model is: a kind of resistance to bracing cable of carbon fiber complex core Folder, including strain clamp body, steel anchor, drainage plate and conduction wire clamp, strain clamp body becomes hollow tubular, steel anchor to include link And anchor pole, anchor pole is located in the end of described strain clamp body, and described strain clamp body includes straight bar section and crimp segment, One end of anchor pole is hollow blind pipe portion, and the other end is solid part, and hollow blind pipe portion is positioned at the straight bar section of strain clamp body, real Heart portion is positioned at the crimp segment of strain clamp body, and solid part is connected with link, and one end of drainage plate is fixed on strain clamp originally On the straight bar section of body, the other end is connected with conduction wire clamp, it is characterised in that: it is provided with hardness ratio in the hollow blind pipe portion of described anchor pole The hollow pipe that carbon fiber complex core hardness is little.

In said structure, straight bar section is the position not crimped on strain clamp body, i.e. strain clamp body and anchor pole The part of hollow blind pipe portion overlap is do not crimp, and in addition to straight bar section, other parts of strain clamp body are all crimp segment, should Crimp segment refers to the part that can crimp, and can hold in the position of distance center blind pipe portion two ends end face two or three millimeter in practical operation Beginning crimping, strand formula carbon fiber complex core is because being to be formed, so twisting outside formula carbon fiber complex core by multi-strand carbon fiber composite core strand system Side face is roughness, in prior art, is approximated between outer peripheral face and the inwall of wedge grip of strand formula carbon fiber complex core Point cantact or linear contact lay, so when crimping, the easy stress of wedge grip is concentrated and the certain point of pair twist formula carbon fiber complex core Oppressing excessive, cause the damage of strand formula carbon fiber complex core, and strand formula carbon fiber composite core wire is fragility wire, hardness is relatively Difference, resistance to draw the most pressure, traditional steel core wire be directly be located in steel anchor by steel core in crimp, steel anchor and wedge grip Hardness is the biggest, and the aperture of steel anchor or wedge grip is adapted for being slightly larger than with the diameter twisting formula carbon fiber complex core or steel core substantially Strand formula carbon fiber complex core or the diameter of steel core, so when deformation crimps, because the hardness ratio steel anchor of steel core is big so not allowing Easily it is subject to crushing, but the hardness of the hardness ratio steel anchor of strand formula carbon fiber complex core and wedge grip is the least, so being easily crushed, if That is done in the aperture of steel anchor and wedge grip is bigger, although provide enough deformation space can to steel anchor and wedge grip, but so Not only increase cost, and increase crimping difficulty, if the depth of cup acted on steel anchor is the most shallow, easily cause steel anchor Grip is inadequate, and wire easily disengages with steel anchor, if the depth of cup acted on steel anchor is too deep, is the most easily urged to wire, makes Becoming the damage of wire, the hardness that this situation is primarily due to steel anchor is too big, and pressurized deformation is uneven, easily concentrates on a certain Point, if the hardness of steel anchor being reduced, can make grip unstable because of steel anchor insufficient strength again, causing steel anchor to disengage with wire, Causing potential safety hazard, this utility model arranges hollow pipe in steel anchor can effectively solve the problems referred to above, because of the hardness of hollow pipe Less than the hardness of carbon fiber complex core, so hollow pipe is to the stress of steel anchor evenly, act on strand formula carbon fiber complex core Grip the most evenly, strand formula carbon fiber complex core be just not easy oppressed damage, moreover it is possible to ensure steel anchor grip sufficiently large, this The strain clamp of design is preferably applicable to the crimping of the strand formula carbon fiber composite core wire of 7-19 stock strand system.

As further setting of the present utility model, described hollow pipe is that aluminum is made, and the hardness of hollow pipe is HB23- HB25, the external diameter of described hollow pipe is equal to or less than the internal diameter in hollow blind pipe portion, and the length of hollow pipe is blind equal to or less than hollow The length in pipe portion, the hardness of described steel anchor is HB120-HB137.

In said structure, steel anchor typically uses the alloy that hardness ratio aluminum is big to make, and aluminium element content in the earth's crust is the most secondary In oxygen and silicon, occupy the 3rd, be the metallic element that in the earth's crust, content is the abundantest, and hollow pipe acts primarily as cushioning effect, hollow pipe Wall thickness relatively thin, so the cost of hollow pipe is relatively low, the cost overall substantially without increasing strain clamp, aluminium element is in atmosphere One layer of oxide-film preventing metal erosion can be formed, the electric conductivity of aluminum can be weakened, improve the safety of strain clamp, hollow pipe Hardness is optimal between HB23-HB25, because aluminum has certain ductility, so during stress deformation evenly, i.e. hollow pipe Act on the grip on strand formula carbon fiber complex core evenly, the hollow pipe that other metal materials are made also can, only need hardness ratio The hardness of strand formula carbon fiber complex core is little, makes the grip that steel anchor acts on carbon fiber complex core evenly, invar anchor Hardness is relatively big, and deformability is limited, and during crimping, depth of cup also should not be too deep, it is advantageous to the external diameter of hollow pipe be equal to The internal diameter in empty blind pipe portion, makes the outer wall of hollow pipe directly contact with the inwall in hollow blind pipe portion, and the grip of steel anchor can directly act on On hollow pipe, it is to avoid air and water enter accelerates hollow pipe or the corrosion of steel anchor, extends the service life of strain clamp, preferably The length of hollow pipe equal to the length in hollow blind pipe portion because strain clamp body is to be set on the outer peripheral face of steel anchor, If the length of hollow pipe is more than the length in hollow blind pipe portion, a part for hollow pipe is exposed outside hollow blind pipe portion, resistance to Wire clip body is when crimping, and some can be pressed onto hollow pipe, the most not only affect between wire and strain clamp body Conductive effect, and affect the grip effect of strain clamp body, the hardness of preferred steel anchor is also moderate, and the hardness of steel anchor is too Big being not only not easy crimps, and grip is inadequate, and Stress non-homogeneity when crimping is easily damaged wire, and the hardness of steel anchor is the least, Grip after crimping is unstable, easily relaxes, there is potential safety hazard.

As further setting of the present utility model, in described hollow pipe, it is equipped with strand formula carbon fiber complex core, this strand formula Carbon fiber complex core is to be formed by seven strands or 19 bursts of carbon fiber complex core strand systems.

As further setting of the present utility model, described hollow blind pipe portion is provided with away from the end outer peripheral face of solid part First lozenges, the i.e. port outside diameter in hollow blind pipe portion are less than the maximum outside diameter in hollow blind pipe portion.

In said structure, being disposed to of the first lozenges in hollow blind pipe portion avoids the end in hollow blind pipe portion to exist Rupture because the stress after crimping concentrates during long-term use vibrations, be conducive to the service life of prolongation steel anchor.

As further setting of the present utility model, the outer peripheral face of described solid part is provided with cannelure spaced apart, The external diameter in hollow blind pipe portion is equal to the internal diameter of cannelure.

In said structure, cannelure be disposed to strain clamp body crimping time can preferably crimp into steel anchor Integrally, the inwall of strain clamp body abuts with the outer peripheral face of cannelure, due to the effect of pressure, the inwall of strain clamp body Deformation embeds in cannelure, improves and connects fixing stability, meanwhile, effectively prevents the infiltration of outside aqueous vapor, sealing property Good.

As further setting of the present utility model, the outer wall of described hollow pipe two ends port to inwall is outer convex mistake Crossing connection, the outer wall of the first lozenges port to inwall is that evagination arc-shaped transition connects, outside the port of strain clamp body two ends Wall is that evagination arc-shaped transition connects to inwall.

In said structure, in one end hollow pipe to be penetrated of strand formula carbon fiber complex core, because of hollow pipe and strand formula carbon fiber Composite core is the diameter diameter slightly larger than strand formula carbon fiber complex core of interference fit or hollow pipe, and when assembling, strand formula carbon is fine Dimension composite core can produce friction with the port of hollow pipe, so the port of hollow pipe changes outer convex into and is disposed to reduce Friction between port and strand formula carbon fiber complex core, also makes strand formula carbon fiber complex core be more easily penetrated in hollow pipe, it is to avoid Damage strand formula carbon fiber complex core.

As further setting of the present utility model, described drainage plate is vertical with strain clamp body to be connected, drainage plate The other end is provided with two clamping plate, forms clip slot between described two clamping plate, and clip slot bottom land position is provided with strip groove, described drainage thread One end of folder is the flat part being positioned at clip slot, and the other end is hollow pipe, and the width of described flat part is equal to the width of clip slot, flat Plate portion is connected with described two Boards wall by fastening assembly.

In said structure, the clip slot of drainage plate is double contact with contacting of conduction wire clamp, draws with original single contact surface Stream is compared, and increases contact surface, thus improves current-carrying capacity, meets higher current-carrying capacity requirement, it addition, double contact also carries The stability that high drainage plate is connected with conduction wire clamp, the strip groove offered on drainage plate, its in use, Utilize himself elastic " fine setting " realized both sides splint position, it is simple to installation and removal, this utility model simple in construction, real With reliably.

As further setting of the present utility model, described fastening assembly includes screw bolt and nut, flat part and described two Be equipped with the lockhole being mutually adapted on clamping plate, one end of bolt sequentially pass through plain washer, spring washer and lockhole and with nut spiral shell Stricture of vagina connects.

In said structure, the compressive stress of pressure-bearing surface on clamping plate that is disposed to reduce of plain washer protects the surface of clamping plate, Being reduced friction, prevent from leaking, isolate, prevent from getting loose or the effect such as dispersive pressure, being disposed to of spring washer prevents spiral shell Female loosening, make drainage plate more firm with the connection of conduction wire clamp.

As further setting of the present utility model, described strain clamp body is that aluminum is made, strain clamp body Tail end outer peripheral face be provided with the second lozenges, the i.e. external diameter of strain clamp body tail end port less than strain clamp body Big external diameter.

In said structure, the second lozenges on strain clamp body be disposed to avoid the end of strain clamp body Rupturing because the stress after crimping concentrates during long-term using shakes in portion, is conducive to extending the use of strain clamp body Life-span.

Using such scheme, hollow pipe directly contacts with wire, in making the grip of steel anchor first act in being located in steel anchor On blank pipe, then acted on wire by hollow pipe, because the hardness ratio steel anchor of hollow pipe and the hardness of strand formula carbon fiber complex core are little, So grip evenly, can be evenly dispersed on strand formula carbon fiber complex core by deformation after stress, it is to avoid strand formula carbon fiber Composite core is damaged when crimping.

Below in conjunction with the accompanying drawings this utility model is further described.

Accompanying drawing explanation

Accompanying drawing 1 is this utility model specific embodiment structure sectional view；

Accompanying drawing 2 is the STRUCTURE DECOMPOSITION figure of this utility model specific embodiment steel anchor；

Accompanying drawing 3 is this utility model specific embodiment STRUCTURE DECOMPOSITION figure.

Detailed description of the invention

Below by embodiment, this utility model is specifically described, is served only for this utility model is carried out further Explanation, it is impossible to be interpreted as the restriction to this utility model protection domain, the technician in this field can be new according to above-mentioned practicality This utility model is made some nonessential improvement and adjustment by the content of type.

As Figure 1-3, a kind of carbon fiber complex core strain clamp, including strain insulator for specific embodiment of the utility model Wire clip body 1, steel anchor 2, drainage plate 3 and conduction wire clamp 4, strain clamp body 1 becomes hollow tubular, steel anchor 2 to include link 21 He Anchor pole 22, anchor pole 22 is located in the end of described strain clamp body 1, and described strain clamp body 1 includes straight bar section 11 He Crimp segment 12, one end of anchor pole 22 is hollow blind pipe portion 221, and the other end is solid part 222, and hollow blind pipe portion 221 is positioned at strain insulator In the straight bar section 11 of wire clip body 1, solid part 222 is positioned at the crimp segment 12 of strain clamp body 1, solid part 222 and link 21 connect, and one end of drainage plate 3 is fixed on the straight bar section 11 of strain clamp body 1, and the other end is connected with conduction wire clamp 4, institute It is provided with, in stating the hollow blind pipe portion 221 of anchor pole 22, the hollow pipe 5 that hardness ratio carbon fiber complex core hardness is little.Straight bar section 11 is strain insulator The position not crimped on wire clip body 1, i.e. strain clamp body 1 part overlapping with the hollow blind pipe portion 221 of anchor pole 22 is not Crimping, except other parts of straight bar section 11 outer strain clamp body 1 are all crimp segment, and this crimp segment refers to the portion that can crimp Point, practical operation can start crimping in the position of distance center blind pipe portion 221 two ends end face two or three millimeter, strand formula carbon fiber is multiple Conjunction core is because being to be formed by multi-strand carbon fiber composite core strand system, so strand formula carbon fiber complex core outer peripheral face is roughness, and strand It is approximated to point cantact or linear contact lay between outer peripheral face and the inwall of wedge grip of formula carbon fiber complex core, so when crimping, wedge The easy stress of clevis is concentrated and is oppressed excessive to the certain point of wire, causes the damage of strand formula carbon fiber complex core, and strand formula Carbon fiber composite core wire is fragility wire, and hardness is poor, and resistance to draw the most pressure, traditional steel core wire be directly to be worn by steel core Crimping in being located at steel anchor 2, the hardness of steel anchor 2 and wedge grip is the biggest, and the aperture of steel anchor 2 or wedge grip is basic with strand formula The diameter of carbon fiber complex core or steel core is adapted for slightly larger than strand formula carbon fiber complex core or the diameter of steel core, so in deformation pressure When connecing, because the hardness ratio steel anchor of steel core 2 is big so being not easy to be subject to crushing, but the hardness ratio steel anchor of strand formula carbon fiber complex core 2 and the hardness of wedge grip the least, so being easily crushed, if that is done in the aperture of steel anchor 2 and wedge grip is bigger, although steel can be given Anchor 2 and wedge grip provide enough deformation spaces, but which not only adds cost, and increase crimping difficulty, if Acting on the depth of cup on steel anchor 2 the most shallow, easily cause steel anchor 2 grip inadequate, wire easily disengages with steel anchor 2, if effect Depth of cup on steel anchor 2 is too deep, is the most easily urged to wire, causes the damage of wire, this situation to be primarily due to steel The hardness of anchor 2 is too big, and pressurized deformation is uneven, easily concentrates on certain point, if the hardness of steel anchor 2 is reduced, and again can be because of steel Anchor 2 insufficient strength makes grip unstable, causes steel anchor 2 to disengage with wire, causes potential safety hazard, arrange hollow in steel anchor 2 Pipe 5 can effectively solve the problems referred to above, because the hardness of the hardness ratio carbon fiber complex core of hollow pipe 5 is little, so hollow pipe 5 is to steel The stress of anchor 2 evenly, acts on the grip on strand formula carbon fiber complex core the most evenly, and strand formula carbon fiber complex core is not just allowed Easy oppressed damage, moreover it is possible to ensure that the grip of steel anchor 2 is sufficiently large, the strain clamp of the design is preferably applicable to 7-19 stock strand system The crimping of strand formula carbon fiber composite core wire.

Above-mentioned hollow pipe 5 is made for aluminum, and the hardness of hollow pipe 5 is HB23-HB25, the external diameter etc. of described hollow pipe 5 In or less than the internal diameter in hollow blind pipe portion 221, the length of hollow pipe 5 is equal to or less than the length in hollow blind pipe portion 221, described steel The hardness of anchor 2 is HB120-HB137.Steel anchor 2 typically uses the alloy that hardness ratio aluminum is big to make, aluminium element content in the earth's crust It is only second to oxygen and silicon, occupies the 3rd, be the metallic element that in the earth's crust, content is the abundantest, and hollow pipe 5 acts primarily as cushioning effect, in The wall thickness of blank pipe 5 is relatively thin, so the cost of hollow pipe 5 is relatively low, the cost overall substantially without increasing strain clamp, aluminium element exists Air can be formed one layer of oxide-film preventing metal erosion, the electric conductivity of aluminum can be weakened, improve the safety of strain clamp, in The hardness of blank pipe 5 is optimal between HB23-HB25, because aluminum has certain ductility, so during stress deformation evenly, i.e. Hollow pipe 5 acts on the grip on strand formula carbon fiber complex core evenly, the hollow pipe 5 that other metal materials are made also can, only The hardness needing hardness ratio strand formula carbon fiber complex core is little, makes the grip that steel anchor 2 acts on wire evenly, invar anchor 2 Hardness relatively big, deformability is limited, and during crimping, depth of cup also should not be too deep, it is advantageous to the external diameter etc. of hollow pipe 5 In the internal diameter in hollow blind pipe portion 221, the outer wall of hollow pipe 5 is made directly to contact with the inwall in hollow blind pipe portion 221, holding of steel anchor 2 Power may be made directly on hollow pipe 5, it is to avoid air and water enter accelerates hollow pipe 5 or the corrosion of steel anchor 2, extends strain clamp Service life, the length of preferred hollow pipe 5 is equal to the length in hollow blind pipe portion 221, because strain clamp body 1 is sheathed On the outer peripheral face of steel anchor 2, if the length of hollow pipe 5 is more than the length in hollow blind pipe portion 221, a part for hollow pipe 5 Being exposed outside hollow blind pipe portion 221, strain clamp body is when crimping, and some can be pressed onto hollow pipe 5, the most not only Affect the conductive effect between wire and strain clamp body 1, and affect the grip effect of strain clamp body 1, preferably The hardness of steel anchor 2 is also moderate, and the hardness of steel anchor 2 is too big is not only not easy crimping, and grip is inadequate, and stress when crimping is not Uniformly being easily damaged wire, the hardness of steel anchor 2 is the least, and the grip after crimping is unstable, easily relaxes, there is potential safety hazard.

Being equipped with strand formula carbon fiber complex core in above-mentioned hollow pipe 5, this strand formula carbon fiber complex core is by seven strands or 19 Stock carbon fiber complex core strand system forms.

Above-mentioned hollow blind pipe portion 221 is provided with the first lozenges 2211, i.e. hollow away from the end outer peripheral face of solid part 222 The port outside diameter in blind pipe portion 221 is less than the maximum outside diameter in hollow blind pipe portion 221.The first lozenges in hollow blind pipe portion 221 The end avoiding hollow blind pipe portion 221 that is disposed to of 2211 uses during vibrations because of the stress collection after crimping long-term In and rupture, be conducive to extend steel anchor 2 service life.

The outer peripheral face of above-mentioned solid part 222 is provided with cannelure 2221 spaced apart, the external diameter etc. in hollow blind pipe portion 221 Internal diameter in cannelure 2221.The strain clamp body 1 that is disposed to of cannelure 2221 can be preferably with steel anchor 2 when crimping Crimping integral, the inwall of strain clamp body 1 abuts with the outer peripheral face of cannelure 2221, due to the effect of pressure, resistance to bracing cable The inner wall deformation of folder body 1 embeds in cannelure 2221, improves and connects fixing stability, meanwhile, effectively prevents external water The infiltration of gas, good seal performance.

The outer wall of above-mentioned hollow pipe 5 two ends port is that evagination arc-shaped transition connects to inwall, the first lozenges 2211 port Outer wall to inwall be evagination arc-shaped transition connect, the outer wall of strain clamp body 1 two ends port to inwall is outer convex mistake Cross connection.In one end hollow pipe to be penetrated 5 of strand formula carbon fiber complex core, because hollow pipe 5 with strand formula carbon fiber complex core was Be full of the diameter of cooperation or hollow pipe 5 slightly larger than the diameter of strand formula carbon fiber complex core, when assembling, strand formula carbon fiber complex core with The port of hollow pipe 5 can produce friction, so the port of hollow pipe 5 changes outer convex into and is disposed to reduce port and strand Friction between formula carbon fiber complex core, also makes strand formula carbon fiber complex core be more easily penetrated in hollow pipe 5, it is to avoid damage strand formula Carbon fiber complex core.

Above-mentioned drainage plate 3 is vertical with strain clamp body 1 to be connected, and the other end of drainage plate 3 is provided with two clamping plate 31, and described two Forming clip slot 32 between clamping plate 31, clip slot 32 bottom land position is provided with strip groove 321, and one end of described conduction wire clamp 4 is position Flat part 41 in clip slot 32, the other end is hollow pipe 42, and the width of described flat part 41 is equal to the width of clip slot 32, flat board Portion 41 is connected by fastening assembly is fixing with described two clamping plate 31.The clip slot 32 of drainage plate 3 is two-sided with contacting of conduction wire clamp 4 Contact, compared with original single contact surface drain, increases contact surface, thus improves current-carrying capacity, meet higher current-carrying Amount requirement, it addition, double contact also improves the stability that drainage plate 3 is connected with conduction wire clamp 4, offers on drainage plate 3 Strip groove 321, it in use utilizes himself elastic " fine setting " realized both sides clamping plate 31 position, just In installation and removal, this utility model simple in construction, practicality is reliable.

Above-mentioned fastening assembly includes being equipped with, on screw bolt and nut, flat part 41 and described two clamping plate 31, the lock being mutually adapted Hole 311, one end of bolt sequentially passes through plain washer, spring washer and lockhole 311 and is connected with nut thread.The setting of plain washer It is the surface in order to reduce the compressive stress of pressure-bearing surface on clamping plate 31 protection clamping plate 31, is reduced friction, prevents from leaking, isolate, prevent Only get loose or the effect such as dispersive pressure, spring washer be disposed to prevent nut loosening, make drainage plate 3 and conduction wire clamp 4 Connection more firm.

Above-mentioned strain clamp body 1 is made for aluminum, and the tail end outer peripheral face of strain clamp body 1 is provided with the second wedge shape Face 13, the i.e. external diameter of strain clamp body 1 tail end port are less than the maximum outside diameter of strain clamp body 1.On strain clamp body 1 The second lozenges 13 be disposed to the end avoiding strain clamp body 1 during long-term use vibrations because of crimping After stress concentrate and rupture, be conducive to extend strain clamp body 1 service life.

Claims (3)

1. a carbon fiber complex core strain clamp, including strain clamp body, steel anchor, drainage plate and conduction wire clamp, strain insulator Wire clip body becomes hollow tubular, steel anchor to include link and anchor pole, and anchor pole is located in the end of described strain clamp body, described Strain clamp body includes straight bar section and crimp segment, and one end of anchor pole is hollow blind pipe portion, and the other end is solid part, hollow blind pipe Portion is positioned at the straight bar section of strain clamp body, and solid part is positioned at the crimp segment of strain clamp body, and solid part is with link even Connecing, one end of drainage plate is fixed on the straight bar section of strain clamp body, and the other end is connected with conduction wire clamp, it is characterised in that: Being provided with the hollow pipe that hardness ratio steel anchor hardness is little in the hollow blind pipe portion of described anchor pole, described hollow pipe is that aluminum is made, in The hardness of blank pipe is HB23-HB25, and the external diameter of described hollow pipe is equal to or less than the internal diameter in hollow blind pipe portion, the length of hollow pipe Equal to or less than the length in hollow blind pipe portion, the hardness of described steel anchor is HB120-HB137, and described hollow blind pipe portion is away from solid The end outer peripheral face in portion is provided with outside the maximum that the first lozenges, the i.e. port outside diameter in hollow blind pipe portion are less than hollow blind pipe portion Footpath, the outer wall of described hollow pipe two ends port to inwall is that evagination arc-shaped transition connects, and the outer wall of the first lozenges port is to interior Wall is that evagination arc-shaped transition connects, and the outer wall of strain clamp body two ends port to inwall is that evagination arc-shaped transition connects, described Drainage plate is vertical with strain clamp body to be connected, and the other end of drainage plate is provided with two clamping plate, forms clip slot between described two clamping plate, Clip slot bottom land position is provided with strip groove, and one end of described conduction wire clamp is the flat part being positioned at clip slot, during the other end is Blank pipe, the width of described flat part is connected with described two Boards wall by fastening assembly equal to the width of clip slot, flat part.

Carbon fiber complex core strain clamp the most according to claim 1, it is characterised in that: described fastening assembly includes spiral shell Being equipped with, on screw bolt and nut, flat part and described two clamping plate, the lockhole being mutually adapted, one end of bolt sequentially passes through plain washer, bullet Spring packing ring and lockhole are also connected with nut thread.

Carbon fiber complex core strain clamp the most according to claim 1 and 2, it is characterised in that: outside described solid part Side face is provided with cannelure spaced apart, and the external diameter in hollow blind pipe portion is equal to the internal diameter of cannelure.