CN105958409A - Reducing parallel groove clamp - Google Patents

Reducing parallel groove clamp Download PDF

Info

Publication number
CN105958409A
CN105958409A CN201610405326.1A CN201610405326A CN105958409A CN 105958409 A CN105958409 A CN 105958409A CN 201610405326 A CN201610405326 A CN 201610405326A CN 105958409 A CN105958409 A CN 105958409A
Authority
CN
China
Prior art keywords
groove
holder
big footpath
clamp
path
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
CN201610405326.1A
Other languages
Chinese (zh)
Other versions
CN105958409B (en
Inventor
刘鑫
王晨
沈兴影
花国祥
袁阳
薛锋
郭桢炜
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.)
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Taizhou Power Supply Co of State Grid Zhejiang Electric Power 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 State Grid Corp of China SGCC, Taizhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201610405326.1A priority Critical patent/CN105958409B/en
Publication of CN105958409A publication Critical patent/CN105958409A/en
Application granted granted Critical
Publication of CN105958409B publication Critical patent/CN105958409B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G7/00Overhead installations of electric lines or cables
    • H02G7/05Suspension arrangements or devices for electric cables or lines

Abstract

The invention discloses a reducing parallel groove clamp, which comprises upper clamp bases, a lower clamp base and fastening bolts, wherein the lower clamp base is provided with at least one upper clamp base; a lower large-diameter groove and a lower small-diameter groove which are symmetrically arranged in parallel are formed in the lower clamp base; the radius of the lower large-diameter groove is greater than that of the lower small-diameter groove; an upper large-diameter groove and an upper small-diameter groove are formed in each upper clamp base; the upper large-diameter grooves are located above the lower large-diameter groove; the upper small-diameter grooves are located above the lower small-diameter groove; grooves which are equal to the upper clamp bases in quantity are formed in the bottom surface of the lower clamp base; a lower through hole is formed in the center of the bottom surface of each groove; and an upper through hole is formed in each upper clamp base. The reducing parallel groove clamp has the advantages that a cable can be conveniently clamped into the corresponding groove; and the reducing parallel groove clamp can be directly used when two cables with different diameters need to be connected, so that complete contact of the upper clamp bases and the lower clamp base and the cables is ensured; the pole-mounted operation time is shortened; and the unified construction technology is ensured. Meanwhile, the grooves are formed in the bottom surface of the lower clamp base, so that the contact area with the fastening bolts or nuts can be expanded; and the clamping force of the upper clamp bases and the lower clamp base is ensured.

Description

Reducing parallel groove clamp
Technical field
The present invention relates to reducing parallel groove clamp.
Background technology
Parallel groove clamp is that wire main in line project connects gold utensil, wherein more common in distribution 10kV circuit To JB-2 be suitable for conductor cross-section 70 95mm2, JB-3 is suitable for conductor cross-section 120-150mm2, JB-4 fits Use conductor cross-section 185-240mm2, Practical Project is frequently encountered by 240 cross section wire and 120 cross section wire Connect, or, 240 cross section wire and 150 cross section wire connect, and are utilized in outside small section lead in work progress Table is wound around a circle aluminium armor tape, increases heavy gauge wire cross section with arrival and connects.
Use aforesaid way to carry out overlap joint and can cause selection parallel groove clamp model difficulty, if with small section lead Corresponding merger wire clamp carries out type selecting, and junction can cause large-section lead excessive, broken lot, if with greatly The corresponding merger wire clamp of cross section wire carries out type selecting, and junction can be caused, and small section lead does not clamp, Disconnected stock can occur after running a period of time, blow, there is safety in production hidden danger;If in employing work progress Use the mode being wound around a circle aluminium armor tape in small section lead appearance, operating personnel's time can be increased on bar, and Owing to construction technology quality is uneven, disconnected stock can be caused equally, blow, there is safety in production hidden danger.
Summary of the invention
It is an object of the invention to provide reducing parallel groove clamp, it is possible to effectively solve existing two kinds of different-diameters Wire easily causes disconnected stock when using parallel groove clamp clamping, blows, the problem that there is safety in production hidden danger.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: reducing ditch line Folder, including upper holder, lower holder and fastening bolt, lower holder is provided with at least one piece of upper holder, lower holder Upper surface have lower big footpath groove along its length and lower path groove, the radius of lower big footpath groove be more than lower path The radius of groove, lower big footpath groove and lower path groove be arranged in parallel, and lower big footpath groove is parallel with lower path groove to lay respectively at The left and right sides of lower holder horizontal center line;Big footpath groove and upper is had along its length on the bottom surface of upper holder Path groove, upper big footpath groove is positioned at the surface of lower big footpath groove, and upper path groove is positioned at the surface of lower path groove, On each, clip seat structure is identical;The bottom surface of described lower holder has groove, the quantity of groove and upper holder Quantity is equal, and groove floor is plane, and the cross section of groove is regular hexagon, and the bottom center of groove has Lower through-hole, the axis of lower through-hole to the distance of lower big footpath fluted shaft line and the axis of lower through-hole are to lower path fluted shaft line Distance equal, each upper holder has through hole and passes for fastening bolt.
Preferably, the radius of described big footpath groove and lower big footpath groove is 8.5mm, described upper path groove and under The radius of path groove is 11mm;With accurate the coordinating of two kinds of conventional cables.
Preferably, the inwall of described big footpath groove, upper path groove, lower big footpath groove and lower path groove is equipped with spiral shell Stricture of vagina shape anti-slip tank;The size of screw thread shape anti-slip tank and completely contacting with the screw thread shape surface of cable to be clamped, Expand contact area, prevent and get loose.
Preferably, also include that backing plate, the cross section of described backing plate are semicircular arc, the external diameter of backing plate with upper greatly The internal diameter of footpath groove is equal, and described upper holder has at least two, is provided with contiguous block, institute between adjacent upper holder State contiguous block to be connected with backing plate;Use backing plate, the cable that this parallel groove clamp two kinds of diameters of clamping are identical can be made, And ensure the contact area after clamping, shorten employee's operating time simultaneously.
Preferably, sidewall adjacent with backing plate on upper holder all has chute, described contiguous block is fixed with The slide block coordinated with chute;Use padding plate clip stringing cable time, chute coordinate with slide block be possible to prevent backing plate to Side skids off, and reduces the generation of fortuitous event.
Preferably, gap is left between described slide block and chute;When conveniently tightening holder on one of them, pad Plate carries out position adjustment.
Compared with prior art, the invention have the advantage that the upper holder of employing and lower holder separate type, facilitate line Cable snaps in the groove of correspondence, and the right and left at upper and lower holder is respectively provided with the groove of two kinds of different-diameters, thus Can directly be used when the cable of two kinds of different-diameters is to be connected, it is no longer necessary to residual carry out overstriking around aluminium armor tape, Ensure complete the contacting of upper and lower holder and cable, reduce the activity duration on bar, improve production efficiency, it is ensured that Construction technology is unified, offers groove in the bottom surface of lower holder simultaneously, can expand and fastening bolt or spiral shell Female contact area, it is ensured that the clamping force of holder up and down.
Accompanying drawing explanation
Fig. 1 is the sectional view of reducing parallel groove clamp of the present invention;
Fig. 2 is the right view of Fig. 1;
Fig. 3 is the screw thread shape anti-slip tank structural representation of lower path groove in reducing parallel groove clamp of the present invention;
Fig. 4 is the structural representation after reducing parallel groove clamp of the present invention adds upper padding plate;
Fig. 5 is the right view of Fig. 4;
Fig. 6 is partial enlarged drawing at A in Fig. 5.
Detailed description of the invention
Refering to the embodiment that Fig. 1, Fig. 2 are reducing parallel groove clamp of the present invention, reducing parallel groove clamp, including upper folder Seat 1, lower holder 2 and fastening bolt 3, lower holder 2 is provided with at least one piece of upper holder 1, lower holder 2 Upper surface has lower big footpath groove 4 along its length and lower path groove 5, and the radius of lower big footpath groove 4 is little under being more than The radius of footpath groove 5, lower big footpath groove 4 and lower path groove 5 be arranged in parallel, lower big footpath groove 4 and lower path groove 5 The parallel left and right sides laying respectively at lower holder 2 horizontal center line;On the bottom surface of upper holder 1 along its length Having big footpath groove 6 and upper path groove 7, upper big footpath groove 6 is positioned at the surface of lower big footpath groove 4, upper path groove 7 surfaces being positioned at lower path groove 5, on each, holder 1 structure is identical, the radius of the biggest footpath groove 4 and The gauge wire cross sectional dimensions that the radius of path groove 5 connects according to actual needs up and down determines, such as path groove Radius 8.5mm, big footpath groove radius 11mm, just with 120 conductor cross-sections and 240 conductor cross-section consistent size; The bottom surface of described lower holder 2 has groove 8, and the quantity of groove 8 is equal with the quantity of upper holder 1, groove 8 Bottom surface is plane, and the cross section of groove 8 is regular hexagon, and the bottom center of groove 8 has lower through-hole 9, under The axis of through hole 9 is to the distance of lower big footpath groove 4 axis and the axis of lower through-hole 9 to lower path groove 5 axis Apart from equal, each upper holder 1 has through hole 15 and passes for fastening bolt 3.On as it is shown on figure 3, The inwall of big footpath groove 6, upper path groove 7, lower big footpath groove 4 and lower path groove 5 is equipped with screw thread shape anti-slip tank 10, For strengthening the grip with cable, the screw thread on the groove inwall of footpath can coordinate with cable threaded line to be clamped, Increase the contact surface with cable.
As shown in Figure 4, Figure 5, in order to the parallel groove clamp of technique scheme is applicable to two with footpath wire, Increasing backing plate 11 in the upper big footpath groove 6 of bigger side internal diameter, the cross section of plate is semicircular arc, backing plate 11 External diameter equal with the internal diameter of upper big footpath groove 6, described upper holder 1 has at least two, adjacent upper holder 1 Between be provided with contiguous block 12, contiguous block 12 is connected with backing plate 11, as shown in Figure 6, in order to use backing plate Prevent contiguous block 12 from skidding off between upper holder 1 when of 11, side adjacent with backing plate 11 on upper holder 1 All have chute 13 on wall, contiguous block 12 be fixed with the slide block 14 coordinated with chute 13, slide block 14 with Gap is left between chute 13, when this gap is to tighten holder 1 on one of them for convenience, backing plate 11 May be in heeling condition and reserve.
Holder 1 and lower holder 2 separate type in employing, facilitate cable to snap in the groove of correspondence, at upper and lower holder The right and left be respectively provided with the groove of two kinds of different-diameters, thus when the cable of two kinds of different-diameters is to be connected Can directly use, it is no longer necessary to residual carry out overstriking around aluminium armor tape, it is ensured that connect complete with cable of holder up and down Touch, reduce the activity duration on bar, it is ensured that construction technology is unified, offer in the bottom surface of lower holder 2 simultaneously Groove 8, can expand the contact area with fastening bolt 3 or nut, it is ensured that the clamping force of holder up and down.
The foregoing is only the specific embodiment of the present invention, but the technical characteristic of the present invention be not limited thereto, Any those skilled in the art is in the field of the invention, and change or the modification made all are contained in the present invention The scope of the claims among.

Claims (6)

1. reducing parallel groove clamp, including upper holder (1), lower holder (2) and fastening bolt (3), its feature exists In: lower holder (2) is provided with at least one piece of upper holder (1), and the upper surface of lower holder (2) has edge Lower big footpath groove (4) of length direction and lower path groove (5), the radius of lower big footpath groove (4) is little under being more than The radius of footpath groove (5), lower big footpath groove (4) and lower path groove (5) be arranged in parallel, lower big footpath groove (4) The left and right sides that lay respectively at lower holder (2) horizontal center line parallel with lower path groove (5);Upper holder (1) big footpath groove (6) and upper path groove (7), upper big footpath groove (6) are had on bottom surface along its length Being positioned at the surface of lower big footpath groove (4), upper path groove (7) is positioned at the surface of lower path groove (5), On each, holder (1) structure is identical;The bottom surface of described lower holder (2) has groove (8), groove (8) quantity is equal with the quantity of upper holder (1), and groove (8) bottom surface is plane, groove (8) Cross section be regular hexagon, the bottom center of groove (8) has lower through-hole (9), lower through-hole (9) Axis to the distance of lower big footpath groove (4) axis and the axis of lower through-hole (9) to lower path groove (5) The distance of axis is equal, and each upper holder (1) has through hole (15) and wears for fastening bolt (3) Cross.
2. reducing parallel groove clamp as claimed in claim 1, it is characterised in that: described big footpath groove (6) and under The radius in big footpath groove (4) is the half of 8.5mm, described upper path groove (7) and lower path groove (5) Footpath is 11mm.
3. reducing parallel groove clamp as claimed in claim 1, it is characterised in that: described big footpath groove (6), upper little The inwall of footpath groove (7), lower big footpath groove (4) and lower path groove (5) is equipped with screw thread shape anti-slip tank (10).
4. reducing parallel groove clamp as claimed in claim 1, it is characterised in that: also include backing plate (11), described The cross section of backing plate (11) is semicircular arc, and the external diameter of backing plate (11) is interior with upper big footpath groove (6) Footpath is equal, and described upper holder (1) has at least two, is provided with contiguous block between adjacent upper holder (1) (12), described contiguous block (12) is connected with backing plate (11).
5. reducing parallel groove clamp as claimed in claim 4, it is characterised in that: go up on holder (1) and backing plate (11) All have chute (13) on adjacent sidewall, described contiguous block (12) is fixed with and chute (13) The slide block (14) coordinated.
6. reducing parallel groove clamp as claimed in claim 5, it is characterised in that: described slide block (14) and chute (13) Between leave gap.
CN201610405326.1A 2016-06-08 2016-06-08 Reducing parallel groove clamp Active CN105958409B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610405326.1A CN105958409B (en) 2016-06-08 2016-06-08 Reducing parallel groove clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610405326.1A CN105958409B (en) 2016-06-08 2016-06-08 Reducing parallel groove clamp

Publications (2)

Publication Number Publication Date
CN105958409A true CN105958409A (en) 2016-09-21
CN105958409B CN105958409B (en) 2018-11-02

Family

ID=56909060

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610405326.1A Active CN105958409B (en) 2016-06-08 2016-06-08 Reducing parallel groove clamp

Country Status (1)

Country Link
CN (1) CN105958409B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786121A (en) * 2016-12-09 2017-05-31 国网北京市电力公司 Wire clamp installation tool

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202308333U (en) * 2011-11-03 2012-07-04 固力发集团有限公司 Copper-aluminum parallel cable clamp
CN203826592U (en) * 2014-04-30 2014-09-10 浙江朋友电力金具有限公司 A T-type branch wire clamp
CN104124538A (en) * 2014-06-20 2014-10-29 国家电网公司 Improved deformed wire clamp
JP2016101051A (en) * 2014-11-26 2016-05-30 株式会社三代川製作所 Mounting bracket for cable installation
CN205901236U (en) * 2016-06-08 2017-01-18 国网浙江省电力公司台州供电公司 Reducing parallel groove clamp

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202308333U (en) * 2011-11-03 2012-07-04 固力发集团有限公司 Copper-aluminum parallel cable clamp
CN203826592U (en) * 2014-04-30 2014-09-10 浙江朋友电力金具有限公司 A T-type branch wire clamp
CN104124538A (en) * 2014-06-20 2014-10-29 国家电网公司 Improved deformed wire clamp
JP2016101051A (en) * 2014-11-26 2016-05-30 株式会社三代川製作所 Mounting bracket for cable installation
CN205901236U (en) * 2016-06-08 2017-01-18 国网浙江省电力公司台州供电公司 Reducing parallel groove clamp

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106786121A (en) * 2016-12-09 2017-05-31 国网北京市电力公司 Wire clamp installation tool
CN106786121B (en) * 2016-12-09 2019-02-26 国网北京市电力公司 Wire clamp installation tool

Also Published As

Publication number Publication date
CN105958409B (en) 2018-11-02

Similar Documents

Publication Publication Date Title
CN201518396U (en) Tool for replacing strain insulator string in 220 KV circuit with charged line
CN105958409A (en) Reducing parallel groove clamp
CN206031118U (en) Carrier cable and contact wire suspend connection structure in midair
CN203038734U (en) An improved lightning protection pillar insulator
CN107769106A (en) A kind of cable connecting arrangement of structure optimization
CN205207909U (en) Detachable cable junction device has
CN205901236U (en) Reducing parallel groove clamp
US9106067B1 (en) Ground bushing with three way lay and lag
CN204927555U (en) Cable connection device for robot
CN204831901U (en) A stockbridge damper tensile test machine anchor clamps for optical cable
CN205426666U (en) Tensile chuck of O -fibres plug and stretching device
CN204905748U (en) Multi -purpose fastener of starting to exchange fire of live working
CN202733183U (en) Combination clamp for electric pump wires
CN202252370U (en) Line clamp applicable to multi-line diameters
CN103016847A (en) Multi-wire diameter adaptive wire clamp and pipeline clamping method
CN105576584A (en) Overhead wire fixing device of porcelain insulator
CN205753164U (en) A kind of transmission line construction cable anchoring
CN212082594U (en) Bracket structure of PMT probe
US9731625B2 (en) Adjustable crossover for electric trolley lines
CN209774540U (en) Piston rod screwing spare nut for high-speed motor train
CN216034191U (en) New energy automobile high pressure pencil fixed pipe clamp
CN204558166U (en) A kind of composite electric insulator core bar structure
CN212968931U (en) Distribution groove for electric cable installation
CN216528355U (en) Insulating supporting device for vertical rubber-insulated wire bow bottle
CN207021394U (en) T-shaped wire clamp

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant