CN104377461B - Underground insulated cable piercing cable clamp - Google Patents

Underground insulated cable piercing cable clamp Download PDF

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Publication number
CN104377461B
CN104377461B CN201310354815.5A CN201310354815A CN104377461B CN 104377461 B CN104377461 B CN 104377461B CN 201310354815 A CN201310354815 A CN 201310354815A CN 104377461 B CN104377461 B CN 104377461B
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CN
China
Prior art keywords
cable
underground
clamp
penetrating
holding groove
Prior art date
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Active
Application number
CN201310354815.5A
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Chinese (zh)
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CN104377461A (en
Inventor
施希锋
徐华锋
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JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
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Priority to CN201310354815.5A priority Critical patent/CN104377461B/en
Publication of CN104377461A publication Critical patent/CN104377461A/en
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Classifications

    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2404Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation
    • H01R4/2408Connections using contact members penetrating or cutting insulation or cable strands the contact members having teeth, prongs, pins or needles penetrating the insulation actuated by clamping screws
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/01Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/03Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
    • H01R11/09Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical

Abstract

The invention discloses an underground insulated cable piercing cable clamp. The underground insulated cable piercing cable clamp comprises a pressing applying device, a cable containing tank, piercing parts and anvil parts, wherein the piercing parts are arranged on the anvil parts and/or the pressure applying end of the pressure applying device, and the anvil parts are arranged on the inner wall, pointed by the pressure applying device, of the cable containing tank; the cable containing tank is used for containing a cable to be connected; the pressure applying device is used for applying thrust to the cable; the anvil parts are used for clamping the cable together with the pressure applying device in the direction of the thrust; the piercing parts are used for piercing an insulation layer of the cable. The underground insulated cable piercing cable clamp has the advantages of being simple in structure, reasonable in design, low in production cost, convenient and fast to use, resistant to water and moisture and the like; in addition, the cable clamp further has the advantage that sealing performance and insulating performance are good.

Description

Underground insulated cable penetrating cable clamp
Technical field
The present invention relates to a kind of underground insulated cable penetrating cable clamp, it is applied to particularly to one kind and is embedded in underground high humidity environment Adapter that is lower and being suitable to the underground insulated cable that rated voltage is below 1kV.
Background technology
Connection with buried electric insulation cable is constantly promoted, in the underground line of below 1kV, connection During need to be connected with the branch of separated time by main line.In order to realize the fast and safely connection of insulated cable, people have invented many Plant cable connector, wherein underground insulation puncture line clamping is a kind of more cable connector of current application.Existing insulation is worn Each of thorn wire clamp penetrating cable clamp once can be only done the equipotential link between two cables, when multi-cable is carried out simultaneously During quick equipotential link, then need using multiple insulation puncture line clampings, so allow for design structure and operating process all relatively For complexity.And buried penetrating cable clamp suffers from the environmental effect of high humidity, corrosion in use for a long time so that puncturing The sealing of wire clamp, anti-insulation breakdown performance all can decrease, or even the generation that leads to a disaster.
Content of the invention
Present invention solves the technical problem that being to overcome in prior art when needing the equipotential link between multi-cable When, need multiple penetrating cable clamps, cause the structurally and operationally all complicated of cable connector, and existing penetrating cable clamp uses one section The defect that sealing after time, anti-insulation and breakdown performance reduce, and provide one kind to be easily installed, insulation safety performance more Reliable underground insulated cable penetrating cable clamp, to realize the quick equipotential link between multi-cable.
The present invention is to solve above-mentioned technical problem by following technical proposals:
The present invention provides a kind of underground insulated cable penetrating cable clamp, and its feature is, it includes a device for exerting, a cable Holding tank, breakthrough portion and anvil, described breakthrough portion is arranged in described anvil and/or the pressure end of described device for exerting, institute State anvil to be arranged on the inwall of the described cable holding groove pointed by described device for exerting;
Described cable holding groove is used for accommodating cable to be connected;
Described device for exerting is used for applying thrust to described cable;
Described anvil is used for together clamping described cable with described device for exerting on the direction of described thrust;
Described breakthrough portion is used for penetrating the insulating barrier of described cable.
In this programme, described breakthrough portion is arranged in described anvil and/or the pressure end of described device for exerting, the words Expression the meaning be:Described breakthrough portion both can be arranged in described anvil it is also possible to be arranged in described pressure end, acceptable Both it had been arranged at described anvil to be also disposed in described pressure end.
In described cable(Including cable, optical cable etc.)After stretching in described cable holding groove, described anvil, pressure end are based on Described thrust phase extrudes so that described breakthrough portion can penetrate(As pierced through)The insulating barrier of described cable, now, gold in cable Genus part is contacted with described breakthrough portion, thus can realize conducting between multi-cable.
It is preferred that described device for exerting includes at least one moment bolt and at least one pressing plate, described pressing plate is plugged in described In the groove that cable holding groove opens up and at described pressure end, described moment bolt is molded by hexagon-headed bolt, and The material of described hexagon-headed bolt is aluminum, and described moment bolt not only acts as fastening effect, also plays in certain degree absolutely Edge acts on.
In addition, in such scheme, described moment bolt spiral shell can be controlled by using torque spanner torque bolt Rotation stretch into cable holding groove thrust size so that thrust be unlikely to excessive so that by cable breakage, be also unlikely to too small with As for the insulating barrier that cannot puncture described cable.Optimum can be drawn by experiment using the size of moment it is adaptable to various The cable of different size.
It is preferred that described underground insulated cable penetrating cable clamp also includes an insulator cap, described cable holding groove is exhausted with described Edge cap split is integral and forms an accommodating chamber, and described accommodating chamber is used for accommodating described cable;
One perforation is provided with described insulator cap, it is logical that described perforation is used for accommodating chamber offer described in described cable incoming-outgoing Road;
One through hole is provided with described cable holding groove, the inwall of described through hole is provided with screw thread, be used for being spirally connected described Moment bolt is so that the stretching into or exit described accommodating chamber of described moment bolt spiral.
Wherein, described insulator cap is arranged on the entrance accessing described cable, and its effect is to meet different size simultaneously The sealed insulation of cable.
It is preferred that being provided with a catch, the material of described catch outside the one of the close described insulator cap of described cable holding groove Expect for plastics.
It is preferred that another outside away from described insulator cap of described cable holding groove is provided with a transparent block, described transparent The material of block is plastics.The effect of described transparent block is when site operation personnel implement cable to pierce into described cable holding groove behaviour When making, can be by the described transparent block effect that externally visibly described cable inserts, so that workmen knows whether needing Continue into described cable.
It is preferred that described underground insulated cable penetrating cable clamp also includes an insulating coating, described insulating coating is packaged in Outside described cable holding groove and described insulator cap, the material of described insulating coating and described insulator cap is thermoplastic elastic Body.
It is preferred that described underground insulated cable penetrating cable clamp also includes a vinyl cover, described vinyl cover is used for sealing institute State the end of insulator cap.There is electric power silicone grease due to increasing on described breakthrough portion, so in order to avoid electric power silicone grease seepage, this programme It is additionally provided with described vinyl cover.
It is preferred that described anvil is integrally formed with the inwall of described cable holding groove, described breakthrough portion and described anvil and/ Or described pressing plate is integrally formed.
It is preferred that described breakthrough portion includes multiple taper piers.Described breakthrough portion arranges tapered pier and is conducive to puncture described Cable, certainly, it will be appreciated by those skilled in the art that, described breakthrough portion is not limited to arrange tapered pier, can also set It is set to the shape of blade.
It is preferred that the material of described cable holding groove and described anvil is aluminum.
The positive effect of the present invention is:
The underground insulated cable penetrating cable clamp of the present invention, accommodates cable to be connected, device for exerting by cable holding groove Described cable is provided with thrust, anvil and device for exerting together clamping cables, and breakthrough portion penetrates the insulating barrier of cable, realizes Quick equipotential link between multi-cable.The present invention has that structure is simple, reasonable in design, low production cost, easy to use Fast and waterproof and dampproof the advantages of, in addition, also having the advantages that sealing property and insulating properties are good.
Brief description
Fig. 1 is the sectional view of the underground insulated cable penetrating cable clamp of present pre-ferred embodiments.
Specific embodiment
Further illustrate the present invention below by the mode of embodiment, but therefore do not limit the present invention to described reality Apply among a scope.
As shown in figure 1, the present embodiment provides a kind of underground insulated cable penetrating cable clamp, described underground insulated cable punctures line Folder includes a device for exerting, a cable holding groove 1, a breakthrough portion 2 and an anvil 3, and described device for exerting includes at least one power Square bolt 4 and at least one pressing plate 5, described pressing plate 5 is plugged in the groove that described cable holding groove 1 opens up and is located at described moment At the pressure end of bolt 4, described moment bolt 4 is molded by hexagon-headed bolt, and the material of described hexagon-headed bolt is aluminum, The material of described cable holding groove 1 and described anvil 3 is aluminum.As shown in figure 1, the present embodiment selects two moment bolt 4 Hes Corresponding two pressing plates 5, certainly, those skilled in the art can select the moment bolt 4 of varying number according to the quantity of cable With pressing plate 5.
Wherein, described breakthrough portion 2 is arranged in described anvil 3, and described anvil 3 is arranged at pointed by described moment bolt 4 The inwall of described cable holding groove 1 on, and described anvil 3 is integrally formed with the inwall of described cable holding groove 1, described penetrates Portion 2 is also integrally formed with described anvil 3.In the present embodiment, only select described breakthrough portion 2 is arranged on described anvil 3, when So it is also possible to select to arrange described breakthrough portion 2 on described pressing plate 5, both described breakthrough portion can also be set in described anvil 3 2, and described breakthrough portion 2 is arranged on described pressing plate 5.In addition, the described breakthrough portion 2 of the present embodiment is set to taper pier shape, this The technical staff in field is it is also possible that state the shape that breakthrough portion 2 is set to other shapes such as blade.
And the underground insulated cable penetrating cable clamp of the present embodiment also includes an insulator cap 6, described cable holding groove 1 and institute State insulator cap 6 split integral and form an accommodating chamber 7, described accommodating chamber 7 is used for accommodating described cable.Wherein, described insulation One perforation is provided with cap 6(In figure does not mark), described bore a hole for accommodating chamber 7 described in described cable incoming-outgoing provide path, It is provided with a through hole on described cable holding groove 1(In figure does not mark), the inwall of described through hole is provided with screw thread, is used for being spirally connected Described moment bolt 4 is so that described moment bolt 4 spirally stretches into or exits described accommodating chamber 7.
The structure of described underground insulated cable penetrating cable clamp is specifically described above, described underground insulated cable has been described below The function that the structure that penetrating cable clamp includes is realized:
Described cable holding groove 1 is used for accommodating cable to be connected;
Described device for exerting is used for providing thrust to described cable;
Described anvil 3 is used for together clamping described cable with described device for exerting on the direction of described thrust;
Described breakthrough portion 2 is used for penetrating the insulating barrier of described cable.
Additionally, in order to be more convenient, workmen operates and in order that described underground insulated cable penetrating cable clamp has more preferably Performance, the underground insulated cable penetrating cable clamp of the present embodiment also include a catch 8, a transparent block 9, an insulating coating 10 and One vinyl cover 11, described catch 8 is located at outside the one of the close described insulator cap 6 of described cable holding groove 1, described transparent block 9 It is located at another outside away from described insulator cap 6 of described cable holding groove 1, the material of described catch 8 and described transparent block 9 is equal For plastics.Described insulating coating 10 is packaged in outside described cable holding groove 1 and described insulator cap 6, described insulating coating 10 He Described insulator cap 6 is made by thermoplastic elastic material.
Wherein, the effect of described catch 8 is:When by described cable holding groove 1 and described insulator cap 6 by way of injection When being packaged in described insulating coating 10, described catch 8 blocks injection molding glue and leaks in described accommodating chamber 7.Described transparent block Effect be when site operation personnel implement the cable to pierce into described cable holding groove 1 and operate, can be by described transparent block The externally visibly effect of described cable insertion, so that workmen knows whether need to continue into described cable.Described The effect of vinyl cover 11 is the electric power silicone grease seepage avoiding increasing on described breakthrough portion 2.
Lower mask body introduction inserts the cable into the operating process of described underground insulated cable penetrating cable clamp:
Wire stripping operation need not be carried out when cable is pierced into described underground insulated cable penetrating cable clamp and use crimping tool, First described vinyl cover 11 is taken away it would be desirable to the perforation that the cable that inserts initially passes through described insulator cap 6 is pierced into described cable again and held Receive in groove 1, such as Fig. 1, described insulator cap 6 is designed to tower structure, and the closer to described cable holding groove 1, described insulator cap 6 The diameter of tower structure is less, in practical operation, directly cable is penetrated described insulation when user installation ting model cable In cap 6, then need when user installation big model cable diameter in described insulator cap 6 to be less than the diameter of big model cable Part wipe out, then just can smoothly pass through cable.
During piercing into cable in described cable holding groove 1, can see cable by described transparent block 9 Injected what position of described cable holding groove 1, and determines the need for continuing into cable.
Pierce into the correct position of described cable holding groove 1 in cable, then begin to moment described in screw-tightened Bolt 4, described moment bolt 4 progresses in described cable holding groove 1, drives described pressing plate 5 also to progress into described simultaneously In cable holding groove 1, cable is pressed to described breakthrough portion 2 by described moment bolt 4 and described pressing plate 5 jointly.Described power during fastening Square bolt 4 is provided with reasonably safe torsion at break value, described pressing plate 5 and described breakthrough portion 2 clamping cables, described breakthrough portion 2 Taper pier shape starts to puncture cable, when moment reaches the torque value of setting, the nut fractures on described moment bolt 4 nature Come off, stopped the puncture pressure to cable conductor and apply, it is to avoid cable conductor sustains damage because of excessive puncture or breaks, with When ensure that cable connection compression required for value of thrust.
Described cable holding groove 1 and the outside described insulating coating 10 setting that wraps of described insulator cap 6 adopt the encapsulated technique of injection, Its injected plastics material is thermoplastic elastic material, and the selection of injected plastics material significantly increases product fastness and sealed reliable Property, leakproof, breakdown characteristics are strong.In the case of rated current with short circuit, the table of described underground insulated cable penetrating cable clamp Face intensification is not above the temperature of the cable of access.For example, the environment of described underground insulated cable penetrating cable clamp 30cm under water After soaking 24 hours, it is continuously applied with the pressure Insulation test voltage 60 seconds of 6kv, described underground insulated cable penetrating cable clamp is complete Well do not puncture, so described insulating coating 10 also has anticorrosion and ageing resistace.
The underground insulated cable penetrating cable clamp of the present embodiment, accommodates cable to be connected, pressure dress by cable holding groove Put and provide thrust, anvil and device for exerting together clamping cables to described cable, and breakthrough portion penetrates the insulating barrier of cable, real Show the quick equipotential link between multi-cable.
The present invention has that structure is simple, reasonable in design, low production cost, convenient to use and waterproof and dampproof etc. excellent Point, in addition, also have the advantages that sealing property and insulating properties are good.
Although the foregoing describing the specific embodiment of the present invention, it will be appreciated by those of skill in the art that these It is merely illustrative of, protection scope of the present invention is defined by the appended claims.Those skilled in the art is not carrying on the back On the premise of the principle and essence of the present invention, various changes or modifications can be made to these embodiments, but these changes Each fall within protection scope of the present invention with modification.

Claims (8)

1. a kind of underground insulated cable penetrating cable clamp is it is characterised in that it includes a device for exerting, a cable holding groove, penetrates Portion and anvil, described breakthrough portion is arranged in described anvil and/or the pressure end of described device for exerting, and described anvil is arranged at On the inwall of described cable holding groove pointed by described device for exerting;
Described cable holding groove is used for accommodating cable to be connected;
Described device for exerting is used for applying thrust to described cable;
Described anvil is used for together clamping described cable with described device for exerting on the direction of described thrust;
Described breakthrough portion is used for penetrating the insulating barrier of described cable;
Described device for exerting includes at least one moment bolt and at least one pressing plate, and described pressing plate is plugged in described cable holding groove and opens If one in groove and at described pressure end;
Described underground insulated cable penetrating cable clamp also includes an insulator cap, and described cable holding groove and described insulator cap piece together one Body simultaneously forms an accommodating chamber, and described accommodating chamber is used for accommodating described cable;
One perforation is provided with described insulator cap, described perforation is used for accommodating chamber described in described cable incoming-outgoing provides path;
One through hole is provided with described cable holding groove, the inwall of described through hole is provided with screw thread, be used for the described moment that is spirally connected Bolt is so that the stretching into or exit described accommodating chamber of described moment bolt spiral.
2. underground as claimed in claim 1 insulated cable penetrating cable clamp is it is characterised in that the close institute of described cable holding groove State and outside the one of insulator cap, be provided with a catch, the material of described catch is plastics.
3. underground as claimed in claim 2 insulated cable penetrating cable clamp it is characterised in that described cable holding groove away from institute Another outside stating insulator cap is provided with a transparent block, and the material of described transparent block is plastics.
4. underground as claimed in claim 1 insulated cable penetrating cable clamp it is characterised in that
Described underground insulated cable penetrating cable clamp also includes an insulating coating, and described insulating coating is packaged in described cable holding Outside groove and described insulator cap, the material of described insulating coating and described insulator cap is thermoplastic elastomer (TPE).
5. the underground insulated cable penetrating cable clamp as described in any one in claim 1-4 is it is characterised in that described underground is exhausted Edge cable penetrating cable clamp also includes a vinyl cover, and described vinyl cover is used for sealing the end of described insulator cap.
6. underground as claimed in claim 1 insulated cable penetrating cable clamp is it is characterised in that described anvil and described cable holding The inwall of groove is integrally formed, and described breakthrough portion is integrally formed with described anvil and/or described pressing plate.
7. underground as claimed in claim 1 insulated cable penetrating cable clamp is it is characterised in that described breakthrough portion includes multiple tapers Pier.
8. underground as claimed in claim 7 insulated cable penetrating cable clamp is it is characterised in that described cable holding groove and described anvil The material in portion is aluminum.
CN201310354815.5A 2013-08-14 2013-08-14 Underground insulated cable piercing cable clamp Active CN104377461B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310354815.5A CN104377461B (en) 2013-08-14 2013-08-14 Underground insulated cable piercing cable clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310354815.5A CN104377461B (en) 2013-08-14 2013-08-14 Underground insulated cable piercing cable clamp

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CN104377461A CN104377461A (en) 2015-02-25
CN104377461B true CN104377461B (en) 2017-02-15

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106602332B (en) * 2015-10-16 2019-03-19 王维金 A kind of insulated conductor terminal electric connector
CN106328324B (en) * 2016-10-21 2018-11-02 江苏嘉盟电力设备有限公司 Wire clamp protective case and road lamp connector comprising it

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101714704A (en) * 2008-10-06 2010-05-26 王刚 Cable connector using insulation-piercing mode to connect cables
CN202034504U (en) * 2011-04-14 2011-11-09 武汉伏安威马电气有限公司 Axial piercing wire clip for twin insulating cables
EP2518831A1 (en) * 2011-04-26 2012-10-31 Societe Industrielle de Construction d'Appareils et de Materiel Electriques Connecting sleeve for electrical cables
CN203415700U (en) * 2013-08-14 2014-01-29 江苏嘉盟电力设备有限公司 Underground insulated cable puncture cable clamp

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101714704A (en) * 2008-10-06 2010-05-26 王刚 Cable connector using insulation-piercing mode to connect cables
CN202034504U (en) * 2011-04-14 2011-11-09 武汉伏安威马电气有限公司 Axial piercing wire clip for twin insulating cables
EP2518831A1 (en) * 2011-04-26 2012-10-31 Societe Industrielle de Construction d'Appareils et de Materiel Electriques Connecting sleeve for electrical cables
CN203415700U (en) * 2013-08-14 2014-01-29 江苏嘉盟电力设备有限公司 Underground insulated cable puncture cable clamp

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