CN104377461A - Underground insulated cable piercing cable clamp - Google Patents

Underground insulated cable piercing cable clamp Download PDF

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Publication number
CN104377461A
CN104377461A CN201310354815.5A CN201310354815A CN104377461A CN 104377461 A CN104377461 A CN 104377461A CN 201310354815 A CN201310354815 A CN 201310354815A CN 104377461 A CN104377461 A CN 104377461A
Authority
CN
China
Prior art keywords
cable
underground
clamp
penetrating
holding groove
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201310354815.5A
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Chinese (zh)
Other versions
CN104377461B (en
Inventor
施希锋
徐华锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Original Assignee
JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd filed Critical JIANGSU JIAMENG ELECTRICAL EQUIPMENT CO Ltd
Priority to CN201310354815.5A priority Critical patent/CN104377461B/en
Publication of CN104377461A publication Critical patent/CN104377461A/en
Application granted granted Critical
Publication of CN104377461B publication Critical patent/CN104377461B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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, particularly a kind of be applicable to be embedded in underground high humidity environment under and be suitable for the connector that rated voltage is the underground insulated cable of below 1kV.
Background technology
Along with the connection of buried electric insulation cable is constantly promoted, in the underground line of below 1kV, need in connection process 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 multiple cable connector, and wherein underground insulation puncture line clamping is a kind of cable connector that application is more at present.Each penetrating cable clamp in existing insulation puncture line clamping once can only complete the equipotential link between two cables, when multi-cable carries out quick equipotential link simultaneously, then need to use multiple insulation puncture line clamping, so just make project organization and operating process all comparatively complicated.And buried penetrating cable clamp in use suffers the environmental impact of high humidity, corrosion for a long time, make the sealing of penetrating cable clamp, anti-insulation breakdown performance all can decrease, even lead to a disaster generation.
Summary of the invention
The technical problem that the present invention solves is to overcome in prior art when needing the equipotential link between multi-cable, need multiple penetrating cable clamp, cause the structure of cable connector and operation all complicated, and the defect that existing penetrating cable clamp uses sealing after a period of time, anti-insulation and breakdown performance to reduce, and provide one to be convenient to installation, insulation safety performance underground insulated cable penetrating cable clamp more reliably, to realize the quick equipotential link between multi-cable.
The present invention solves above-mentioned technical problem by following technical proposals:
The invention provides a kind of underground insulated cable penetrating cable clamp, its feature is, it comprises a device for exerting, a cable holding groove, breakthrough portion and anvil, described breakthrough portion is arranged at described anvil and/or exerting pressure of described device for exerting is held, and described anvil is arranged on the inwall of the described cable holding groove pointed by described device for exerting;
Described cable holding groove is for holding cable to be connected;
Described device for exerting is used for described cable applied thrust;
Described anvil together clamps described cable with described device for exerting on the direction in described thrust;
Described breakthrough portion is for penetrating the insulating barrier of described cable.
In this programme, described breakthrough portion is arranged at described anvil and/or exerting pressure of described device for exerting is held, what the words was expressed is meant to: described breakthrough portion both can be arranged in described anvil, also exert pressure described in can being arranged at end on, can also both be arranged at described anvil be also arranged at described in exert pressure end on.
Stretch into after in described cable holding groove at described cable (comprising cable, optical cable etc.), described anvil, end group of exerting pressure extrude mutually in described thrust, make described breakthrough portion can penetrate the insulating barrier of cable as described in (as pierced through), now, metallic member in cable contacts with described breakthrough portion, so just can realize conducting between multi-cable.
Preferably, described device for exerting comprises at least one moment bolt and at least one pressing plate, described pressing plate is plugged in a groove that described cable holding groove offers and the end place that exerts pressure described in being positioned at, described moment bolt is injection molded by hexagon-headed bolt, and the material of described hexagon-headed bolt is aluminium, described moment bolt not only plays fastening effect, also in certain degree, plays insulating effect.
In addition, in such scheme, by using torque spanner torque bolt can control the thrust size that described moment bolt spiral stretches into cable holding groove, making thrust be unlikely to excessive to such an extent as to by cable breakage, being also unlikely to too small to such an extent as to the insulating barrier of described cable cannot be punctured.Use the size of moment can draw optimum value by experiment, be applicable to the cable of various different size.
Preferably, described underground insulated cable penetrating cable clamp also comprises an insulator cap, and described cable holding groove and described insulator cap piece together one and form a container cavity, and described container cavity is for holding described cable;
Described insulator cap is provided with a perforation, described perforation is used for providing path for container cavity described in described cable incoming-outgoing;
Described cable holding groove is provided with a through hole, the inwall of described through hole is provided with screw thread, stretch into or exit described container cavity for the described moment bolt that is spirally connected with what make described moment bolt spiral.
Wherein, described insulator cap is arranged on the import department accessing described cable, and its effect is the sealed insulation that simultaneously can meet different size cable.
Preferably, the close described insulator cap of described cable holding groove one outside be provided with a catch, the material of described catch is plastics.
Preferably, described cable holding groove away from described insulator cap another outside be provided with a transparent block, the material of described transparent block is plastics.The effect of described transparent block is when site operation personnel implement cable to pierce into the operation of described cable holding groove, by the described transparent block externally visibly effect inserted of described cable, can know whether need to continue the described cable of insertion to make workmen.
Preferably, described underground insulated cable penetrating cable clamp also includes an insulating coating, and described insulating coating is packaged in described cable holding groove and described insulator cap is outside, and the material of described insulating coating and described insulator cap is thermoplastic elastomer (TPE).
Preferably, described underground insulated cable penetrating cable clamp also includes a vinyl cover, and described vinyl cover is for sealing the end of described insulator cap.Electric power silicone grease is had, so in order to avoid electric power silicone grease seepage, this programme is also provided with described vinyl cover due to described breakthrough portion increasing.
Preferably, the inwall of described anvil and described cable holding groove is one-body molded, described breakthrough portion and described anvil and/or described pressing plate one-body molded.
Preferably, described breakthrough portion comprises multiple taper pier.Described breakthrough portion is arranged to taper pier and is conducive to piercing through described cable, certainly, those skilled in the art will appreciate that described breakthrough portion is not limited to and is arranged to taper pier, can also be arranged to the shape of blade.
Preferably, the material of described cable holding groove and described anvil is aluminium.
Positive progressive effect of the present invention is:
Underground of the present invention insulated cable penetrating cable clamp, hold cable to be connected by cable holding groove, device for exerting provides thrust to described cable, anvil and device for exerting together clamping cables, and breakthrough portion penetrates the insulating barrier of cable, achieve the quick equipotential link between multi-cable.The present invention has the advantages such as structure is simple, reasonable in design, production cost is low, convenient to use and waterproof and dampproof, in addition, also has sealing property and the good advantage of insulation property.
Accompanying drawing explanation
Fig. 1 is the cutaway view of the underground insulated cable penetrating cable clamp of present pre-ferred embodiments.
Embodiment
Mode below by embodiment further illustrates the present invention, but does not therefore limit the present invention among described scope of embodiments.
As shown in Figure 1, the present embodiment provides a kind of underground insulated cable penetrating cable clamp, described underground insulated cable penetrating cable clamp comprises a device for exerting, cable holding groove 1, breakthrough portion 2 and an anvil 3, described device for exerting comprises at least one moment bolt 4 and at least one pressing plate 5, described pressing plate 5 to be plugged in a groove that described cable holding groove 1 offers and to be positioned at the end place that exerts pressure of described moment bolt 4, described moment bolt 4 is injection molded by hexagon-headed bolt, and the material of described hexagon-headed bolt is aluminium, the material of described cable holding groove 1 and described anvil 3 is aluminium.As shown in Figure 1, the present embodiment selects two moment bolts 4 and two corresponding pressing plates 5, and certainly, those skilled in the art can select moment bolt 4 and the pressing plate 5 of varying number according to the quantity of cable.
Wherein, described breakthrough portion 2 is arranged in described anvil 3, described anvil 3 is arranged on the inwall of the described cable holding groove 1 pointed by described moment bolt 4, and described anvil 3 is one-body molded with the inwall of described cable holding groove 1, and described breakthrough portion 2 is also one-body molded with described anvil 3.In the present embodiment, only select to arrange described breakthrough portion 2 in described anvil 3, certainly, also can select to arrange described breakthrough portion 2 on described pressing plate 5, both described breakthrough portion 2 can also be set in described anvil 3, again described breakthrough portion 2 be set on described pressing plate 5.In addition, the described breakthrough portion 2 of the present embodiment is set to taper pier shape, and described breakthrough portion 2 can also be set to other the shape of shape as blade by those skilled in the art.
And the underground insulated cable penetrating cable clamp of the present embodiment also comprises an insulator cap 6, described cable holding groove 1 pieces together one with described insulator cap 6 and forms a container cavity 7, and described container cavity 7 is for holding described cable.Wherein, described insulator cap 6 is provided with a perforation (not marking in figure), described perforation is used for providing path for container cavity 7 described in described cable incoming-outgoing, described cable holding groove 1 is provided with a through hole (not marking in figure), the inwall of described through hole is provided with screw thread, and for being spirally connected, described moment bolt 4 stretches into or exits described container cavity 7 spirally to make described moment bolt 4.
Upper mask body describes the structure of described underground insulated cable penetrating cable clamp, the following describes the function of the structure realization that described underground insulated cable penetrating cable clamp comprises:
Described cable holding groove 1 is for holding cable to be connected;
Described device for exerting is used for providing thrust to described cable;
Described anvil 3 together clamps described cable with described device for exerting on the direction in described thrust;
Described breakthrough portion 2 is for penetrating the insulating barrier of described cable.
In addition, in order to more convenient workmen's operation and in order to make described underground insulated cable penetrating cable clamp have better performance, the underground insulated cable penetrating cable clamp of the present embodiment also comprises catch 8, transparent block 9, insulating coating 10 and a vinyl cover 11, described catch 8 be located at the close described insulator cap 6 of described cable holding groove 1 one outside, described transparent block 9 be located at described cable holding groove 1 away from described insulator cap 6 another outside, the material of described catch 8 and described transparent block 9 is plastics.Described insulating coating 10 is packaged in described cable holding groove 1 and described insulator cap 6 is outside, and described insulating coating 10 and described insulator cap 6 are made by thermoplastic elastic material.
Wherein, the effect of described catch 8 is: when described cable holding groove 1 and described insulator cap 6 being packaged in described insulating coating 10 by the mode of injection moulding, and described catch 8 blocks injection molding glue and leaks in described container cavity 7.The effect of described transparent block be when site operation personnel implement cable pierce into described cable holding groove 1 operate time, by the described transparent block externally visibly effect inserted of described cable, can know whether to make workmen and need to continue the described cable of insertion.The effect of described vinyl cover 11 is the electric power silicone grease seepages avoiding described breakthrough portion 2 increases.
Cable is inserted the operating process of described underground insulated cable penetrating cable clamp by lower mask body introduction:
When cable being pierced into described underground insulated cable penetrating cable clamp without the need to carrying out wire stripping operation and using crimping tool, first described vinyl cover 11 is taken away, the cable needing to insert first is pierced in described cable holding groove 1 through the perforation of described insulator cap 6 again, as Fig. 1, described insulator cap 6 is designed to tower structure, and the closer to described cable holding groove 1, the diameter of the tower structure of described insulator cap 6 is less, in practical operation, directly cable is penetrated in described insulator cap 6 when user installation ting model cable, part diameter in described insulator cap 6 being less than the diameter of large model cable is then needed to wipe out when user installation large model cable, then just cable can be passed smoothly.
Being pierced into by cable in the process in described cable holding groove 1, can see cable has injected what position of described cable holding groove 1 by described transparent block 9, and determine whether to need to continue to insert cable.
The correct position of described cable holding groove 1 has been pierced at cable, then moment bolt 4 described in screw-tightened is just started, described moment bolt 4 progresses in described cable holding groove 1, drive described pressing plate 5 also to progress in described cable holding groove 1, cable is pressed to described breakthrough portion 2 by described moment bolt 4 and described pressing plate 5 jointly simultaneously.Time fastening, described moment bolt 4 is provided with rational safe torsion at break value, described pressing plate 5 and described breakthrough portion 2 clamping cables, the taper pier shape of described breakthrough portion 2 starts the cable that punctures, when moment reaches the torque value of setting, nut fractures on described moment bolt 4 also comes off naturally, stopped and the puncture pressure of cable conductor is applied, avoid cable conductor sustain damage because excessively puncturing or break, ensure that cable connects the value of thrust required for compressing simultaneously.
Described cable holding groove 1 and described insulator cap 6 outside are wrapped the described insulating coating 10 established and are adopted injection moulding encapsulate technique, its injected plastics material is thermoplastic elastic material, selecting of injected plastics material significantly increases product fastness and sealing reliability, leakproof, and breakdown characteristics is strong.When rated current and short circuit, heating up in the surface of described underground insulated cable penetrating cable clamp can not higher than the temperature of the cable of access.Such as, after the environment of described underground insulated cable penetrating cable clamp 30cm under water soaks 24 hours, it is continuously applied to the withstand voltage Insulation test voltage 60 seconds of 6kv, described underground insulated cable penetrating cable clamp is intact not to be punctured, so described insulating coating 10 also has anticorrosion and ageing resistace.
The underground insulated cable penetrating cable clamp of the present embodiment, hold cable to be connected by cable holding groove, device for exerting provides thrust to described cable, anvil and device for exerting together clamping cables, and breakthrough portion penetrates the insulating barrier of cable, achieve the quick equipotential link between multi-cable.
The present invention has the advantages such as structure is simple, reasonable in design, production cost is low, convenient to use and waterproof and dampproof, in addition, also has sealing property and the good advantage of insulation property.
Although the foregoing describe the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present invention and essence, can make various changes or modifications to these execution modes, but these change and amendment all falls into protection scope of the present invention.

Claims (10)

1. a underground insulated cable penetrating cable clamp, it is characterized in that, it comprises a device for exerting, a cable holding groove, breakthrough portion and anvil, described breakthrough portion is arranged at described anvil and/or exerting pressure of described device for exerting is held, and described anvil is arranged on the inwall of the described cable holding groove pointed by described device for exerting;
Described cable holding groove is for holding cable to be connected;
Described device for exerting is used for described cable applied thrust;
Described anvil together clamps described cable with described device for exerting on the direction in described thrust;
Described breakthrough portion is for penetrating the insulating barrier of described cable.
2. underground as claimed in claim 1 insulated cable penetrating cable clamp, it is characterized in that, described device for exerting comprises at least one moment bolt and at least one pressing plate, and described pressing plate is plugged in a groove that described cable holding groove offers and the end place that exerts pressure described in being positioned at.
3. underground as claimed in claim 2 insulated cable penetrating cable clamp, it is characterized in that, described underground insulated cable penetrating cable clamp also comprises an insulator cap, and described cable holding groove and described insulator cap piece together one and form a container cavity, and described container cavity is for holding described cable;
Described insulator cap is provided with a perforation, described perforation is used for providing path for container cavity described in described cable incoming-outgoing;
Described cable holding groove is provided with a through hole, the inwall of described through hole is provided with screw thread, stretch into or exit described container cavity for the described moment bolt that is spirally connected with what make described moment bolt spiral.
4. underground as claimed in claim 3 insulated cable penetrating cable clamp, is characterized in that, the close described insulator cap of described cable holding groove one outside be provided with a catch, the material of described catch is plastics.
5. underground as claimed in claim 3 insulated cable penetrating cable clamp, is characterized in that, described cable holding groove away from described insulator cap another outside be provided with a transparent block, the material of described transparent block is plastics.
6. underground as claimed in claim 3 insulated cable penetrating cable clamp, is characterized in that,
Described underground insulated cable penetrating cable clamp also includes an insulating coating, and described insulating coating is packaged in described holding tank and described insulator cap is outside, and the material of described insulating coating and described insulator cap is thermoplastic elastomer (TPE).
7. as the underground insulated cable penetrating cable clamp in claim 3-6 as described in any one, it is characterized in that, described underground insulated cable penetrating cable clamp also includes a vinyl cover, and described vinyl cover is for sealing the end of described insulator cap.
8. underground as claimed in claim 2 insulated cable penetrating cable clamp, it is characterized in that, the inwall of described anvil and described cable holding groove is one-body molded, described breakthrough portion and described anvil and/or described pressing plate one-body molded.
9. underground as claimed in claim 1 insulated cable penetrating cable clamp, it is characterized in that, described breakthrough portion comprises multiple taper pier.
10. underground as claimed in claim 9 insulated cable penetrating cable clamp, it is characterized in that, the material of described cable holding groove and described anvil is aluminium.
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

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

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106328324A (en) * 2016-10-21 2017-01-11 江苏嘉盟电力设备有限公司 Cable clamp protection sleeve and street lamp connector including same
CN106602332A (en) * 2015-10-16 2017-04-26 王维金 Electric connector for insulated conductor terminal

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

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106602332A (en) * 2015-10-16 2017-04-26 王维金 Electric connector for insulated conductor terminal
CN106602332B (en) * 2015-10-16 2019-03-19 王维金 A kind of insulated conductor terminal electric connector
CN106328324A (en) * 2016-10-21 2017-01-11 江苏嘉盟电力设备有限公司 Cable clamp protection sleeve and street lamp connector including same

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