CN105352412A - Detection scale for bending radius of cable - Google Patents

Detection scale for bending radius of cable Download PDF

Info

Publication number
CN105352412A
CN105352412A CN201510850331.9A CN201510850331A CN105352412A CN 105352412 A CN105352412 A CN 105352412A CN 201510850331 A CN201510850331 A CN 201510850331A CN 105352412 A CN105352412 A CN 105352412A
Authority
CN
China
Prior art keywords
chord
cable
bending radius
push rod
rod
Prior art date
Application number
CN201510850331.9A
Other languages
Chinese (zh)
Inventor
张坤明
于克飞
赵治国
孙铁梁
郑静媛
李�杰
孙丽
Original Assignee
国网北京市电力公司
国家电网公司
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 国网北京市电力公司, 国家电网公司 filed Critical 国网北京市电力公司
Priority to CN201510850331.9A priority Critical patent/CN105352412A/en
Publication of CN105352412A publication Critical patent/CN105352412A/en

Links

Abstract

The invention provides a detection scale for the bending radius of a cable. The detection scale comprises a push rod, a first cord member, a second cord member and a linkage member. The first end of the push rod abuts against the middle of a bending cable. The first end of the first cord member is hinged to the first end of the push rod. The first end of the second cord member is hinged to the first end of the push rod. The linkage member is connected to the first cord member and the second cord member, and moves along with the first cord member and the second cord member. The technical scheme helps to effectively solve the problem in the prior art that the bending radius of a cable is difficult to measure. By means of the detection gauge, workers can easily know whether the bending radius of a bending cable accords with the minimum bending radius of the cable.

Description

The detection scale of Cable Bending Radius

Technical field

The present invention relates to field of cable technology, in particular to a kind of detection scale of Cable Bending Radius.

Background technology

Along with expanding economy, the process of urbanization is accelerated day by day, and in urban distribution network, the use of power cable constantly increases.A lot of newly-built transmission line of electricity almost all uses cable, and city rack ceases to be busy people ground engineering is also implemented on a large scale.The key factor of cable running safety is the good degree of its insulation and the homogeneity of internal electric field distribution.Cable Bending Radius is cable laying construction and the leading indicator ensureing its insulating property in running.So-called bending radius, refers to and engineering regards one section of circular arc as approximate for bending cable, the circular arc place radius of a circle i.e. bending radius of bending cable for this reason.If cable bending radius in cable laying operation or operation is less than setting, its structural damage may be caused, finally cause insulation breakdown, lead to safe mass accident.

And in working at the scene, main dependence experience carrys out the bending radius of control cables, when for external labor service personnel more and working experience deficiency, the control of bending radius is just difficult to ensure.

Summary of the invention

Fundamental purpose of the present invention is the detection scale providing a kind of Cable Bending Radius, to solve the problem that Cable Bending Radius in prior art is difficult to measure.

To achieve these goals, the invention provides a kind of detection scale of Cable Bending Radius, comprising: push rod, the first end of push rod is used for abutting with the middle part of bending cable; First chord member, the first end of the first chord member and the first end of push rod hinged; Second chord member, the first end of the second chord member and the first end of push rod hinged, and the second chord member and the first chord member isometric; STATEMENT OF FEDERALLY SPONSORED, is connected with the first chord member and the second chord member and keeps the first chord member and the second chord member to link; Wherein, the first chord member, the second chord member and push rod are positioned at same plane.

Further, STATEMENT OF FEDERALLY SPONSORED comprises linkage block and connecting rod, linkage block is slidably disposed on push rod, connecting rod comprises isometric first connecting rod and second connecting rod, first end and first chord member of first connecting rod are hinged, the second end of first connecting rod and linkage block hinged, first end and second chord member of second connecting rod are hinged, second end of second connecting rod and linkage block hinged, first connecting rod is equal with the distance between second connecting rod with the second chord member pin joint to push rod with the first chord member pin joint.

Further, push rod is provided with cable bend marking line, cable bend marking line corresponds to the maximum deflection radius that cable can bear.

Further, position push rod corresponding to cable bend marking line is provided with the first Access Division, linkage block is provided with the second Access Division coordinated with the first Access Division.

Further, the first Access Division is circular draw-in groove, and the second Access Division is circular card column.

Further, the second end of the first chord member is provided with first top, and the second end of the second chord member is provided with second top, and first is top and second top for abutting with cable.

Further, the first end of push rod is provided with the 3rd top, and the 3rd is top for abutting with cable.

Further, the detection scale of Cable Bending Radius also comprises handpiece, and handpiece is connected to the second end of push rod.

Further, handpiece and push rod are integrated to be connected and arrange.

Further, the periphery of handpiece is enclosed with Anti-slip cover.

Apply technical scheme of the present invention, when measuring cable, the first end of push rod is used for abut with the middle part of bending cable, if two of bending cable limits have exceeded the second end of the first chord member and the second chord member, illustrates that the degree of crook of this cable has exceeded minimum bending radius; If two of bending cable limit props up the second end of the first chord member and the second chord member, illustrate that the degree of crook of this cable equals minimum bending radius; If two of bending cable limit does not contact the second end of the first chord member and the second chord member, illustrate that the degree of crook of this cable is less than minimum bending radius.Like this, by detection scale, staff just can recognize whether the bending radius of bending cable meets its minimum bending radius easily.

Except object described above, feature and advantage, the present invention also has other object, feature and advantage.Below with reference to figure, the present invention is further detailed explanation.

Accompanying drawing explanation

The Figure of description forming a part of the present invention is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:

Fig. 1 shows the using state structural representation of the embodiment of the detection scale according to Cable Bending Radius of the present invention;

Fig. 2 shows the contraction state structural representation of the detection scale of the Cable Bending Radius of Fig. 1.

Wherein, above-mentioned accompanying drawing comprises the following drawings mark:

10, push rod; 11, cable bend marking line; 12, the first Access Division; 20, the first chord member; 30, the second chord member; 40, STATEMENT OF FEDERALLY SPONSORED; 41, linkage block; 42, connecting rod; 50, handpiece.

Embodiment

It should be noted that, when not conflicting, the embodiment in the present invention and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.

The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.

It should be noted that, detection scale of the present invention asks for the principle of radius of circle based on three length of sides of known non relieved gear hobs, should understand the minimum bending radius of the cable of certain size before use in advance.

Fig. 1 and Fig. 2 shows the detection scale of the Cable Bending Radius of the present embodiment, and the detection scale of this Cable Bending Radius comprises push rod 10, first chord member 20, second chord member 30 and STATEMENT OF FEDERALLY SPONSORED 40.Wherein, the first end of push rod 10 is used for abutting with the middle part of bending cable.The first end of the first chord member 20 and the first end of push rod 10 hinged, the first end of the second chord member 30 and the first end of push rod 10 hinged, and the second chord member 30 and the first chord member 20 isometric.STATEMENT OF FEDERALLY SPONSORED 40 is connected with the first chord member 20 and the second chord member 30 and keeps the first chord member 20 and the second chord member 30 to link.First chord member 20, second chord member 30 and push rod 10 are positioned at same plane.During use, the first chord member 20 and the second chord member 30 opened by relative push rod 10, make the first chord member 20 and the second chord member 30 be opened to certain position, the leg-of-mutton external radius of a circle etc. that the first chord member 20 and the second end of the second chord member 30 and the first end of push rod 10 form is with the minimum bending radius measuring cable.When measuring cable, the first end of push rod 10 being used for abut with the middle part of bending cable, if two of bending cable limits have exceeded the second end of the first chord member 20 and the second chord member 30, illustrating that the degree of crook of this cable has exceeded minimum bending radius; If two of bending cable limit props up the second end of the first chord member 20 and the second chord member 30, illustrate that the degree of crook of this cable equals minimum bending radius; If two of bending cable limit does not contact the second end of the first chord member 20 and the second chord member 30, illustrate that the degree of crook of this cable is less than minimum bending radius.Like this, by detection scale, staff just can recognize whether the bending radius of bending cable meets its minimum bending radius easily.

As shown in Figure 1, in the present embodiment, STATEMENT OF FEDERALLY SPONSORED 40 comprises linkage block 41 and connecting rod 42, and linkage block 41 is slidably disposed on push rod 10.Connecting rod 42 comprises isometric first connecting rod 42 and second connecting rod 42, first end and first chord member 20 of first connecting rod 42 are hinged, second end and the linkage block 41 of first connecting rod 42 are hinged, first end and second chord member 30 of second connecting rod 42 are hinged, second end and the linkage block 41 of second connecting rod 42 are hinged, and first connecting rod 42 is equal with the distance between second connecting rod 42 with the second chord member 30 pin joint to push rod 10 with the first chord member 20 pin joint.Promote linkage block 41 and just easily the second end of the first chord member 20 and the second chord member 30 can be opened to suitable position, and then be convenient to the measurement cable of different size being carried out to minimum bending radius.

As shown in Figure 1, in the present embodiment, push rod 10 is provided with cable bend marking line 11, cable bend marking line 11 corresponds to the maximum deflection radius that cable can bear.Can be provided with many cable bend marking lines 11 on push rod 10, different cable bend marking lines 11 corresponds to the minimum bending radius of different size cable.In use, only need linkage block 41 to be pushed on the cable bend marking line 11 of corresponding size, just can carry out the measurement of minimum bending radius to the cable of this size.

In order to make the open mode of the first chord member 20 and the second chord member 30 be kept, position push rod 10 corresponding to cable bend marking line 11 is provided with the first Access Division 12, linkage block 41 is provided with the second Access Division coordinated with the first Access Division 12.During use, linkage block 41 is pushed to the position of cable bend marking line 11, allows the first Access Division 12 and the second Access Division coordinate clamping can keep the open mode of the first chord member 20 and the second chord member 30.Optionally, in the present embodiment, the first Access Division 12 is circular draw-in groove, and the second Access Division is circular card column.

As shown in Figure 1, the second end of the first chord member 20 is provided with first top, and the second end of the second chord member 30 is provided with second top, and first is top and second top for abutting with cable.Like this, the measurement of cable minimum bending radius can be made more accurate.Preferably, the first end of push rod 10 is provided with the 3rd top, and the 3rd is top for abutting with cable.

As shown in Figure 2, the detection scale of the Cable Bending Radius of the present embodiment also comprises handpiece 50, and handpiece 50 is connected to the second end of push rod 10.The convenient operation personnel that arrange of handpiece 50 hold by hand.Optionally, in the present embodiment, handpiece 50 and push rod 10 are integrated to be connected and arrange.Preferably, the periphery of handpiece 50 is enclosed with Anti-slip cover.This Anti-slip cover can increase friction force when operating personnel hold by hand, also makes craft hold more comfortable simultaneously.

The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a detection scale for Cable Bending Radius, is characterized in that, comprising:
Push rod (10), the first end of described push rod (10) is used for abutting with the middle part of bending cable;
First chord member (20), the first end of described first chord member (20) and the first end of described push rod (10) hinged;
Second chord member (30), the first end of described second chord member (30) and the first end of described push rod (10) hinged, and described second chord member (30) and described first chord member (20) are isometric;
STATEMENT OF FEDERALLY SPONSORED (40), is connected with described first chord member (20) and described second chord member (30) and keeps described first chord member (20) and described second chord member (30) to link;
Wherein, described first chord member (20), described second chord member (30) and described push rod (10) are positioned at same plane.
2. the detection scale of Cable Bending Radius according to claim 1, it is characterized in that, described STATEMENT OF FEDERALLY SPONSORED (40) comprises linkage block (41) and connecting rod (42), described linkage block (41) is slidably disposed on described push rod (10), described connecting rod (42) comprises isometric first connecting rod (42) and second connecting rod (42), first end and described first chord member (20) of described first connecting rod (42) are hinged, second end and the described linkage block (41) of described first connecting rod (42) are hinged, first end and described second chord member (30) of described second connecting rod (42) are hinged, second end and the described linkage block (41) of described second connecting rod (42) are hinged, described first connecting rod (42) is equal with the distance between described second connecting rod (42) with described second chord member (30) pin joint to described push rod (10) with described first chord member (20) pin joint.
3. the detection scale of Cable Bending Radius according to claim 2, it is characterized in that, described push rod (10) is provided with cable bend marking line (11), the maximum deflection radius that described cable bend marking line (11) can bear corresponding to cable.
4. the detection scale of Cable Bending Radius according to claim 3, it is characterized in that, the upper position corresponding to described cable bend marking line (11) of described push rod (10) is provided with the first Access Division (12), described linkage block (41) is provided with the second Access Division coordinated with described first Access Division (12).
5. the detection scale of Cable Bending Radius according to claim 4, is characterized in that, described first Access Division (12) is circular draw-in groove, and described second Access Division is circular card column.
6. the detection scale of Cable Bending Radius according to claim 1, it is characterized in that, second end of described first chord member (20) is provided with first top, second end of described second chord member (30) is provided with second top, described first top and described second top for abutting with described cable.
7. the detection scale of Cable Bending Radius according to claim 6, is characterized in that, the first end of described push rod (10) is provided with the 3rd top, described 3rd top for abutting with described cable.
8. the detection scale of Cable Bending Radius according to claim 1, it is characterized in that, the detection scale of described Cable Bending Radius also comprises handpiece (50), and described handpiece (50) is connected to the second end of described push rod (10).
9. the detection scale of Cable Bending Radius according to claim 8, is characterized in that, described handpiece (50) is integrated to be connected with described push rod (10) and arranges.
10. the detection scale of Cable Bending Radius according to claim 8, is characterized in that, the periphery of described handpiece (50) is enclosed with Anti-slip cover.
CN201510850331.9A 2015-11-27 2015-11-27 Detection scale for bending radius of cable CN105352412A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510850331.9A CN105352412A (en) 2015-11-27 2015-11-27 Detection scale for bending radius of cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510850331.9A CN105352412A (en) 2015-11-27 2015-11-27 Detection scale for bending radius of cable

Publications (1)

Publication Number Publication Date
CN105352412A true CN105352412A (en) 2016-02-24

Family

ID=55328425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510850331.9A CN105352412A (en) 2015-11-27 2015-11-27 Detection scale for bending radius of cable

Country Status (1)

Country Link
CN (1) CN105352412A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588709A (en) * 2017-09-18 2018-01-16 国网山东省电力公司济南供电公司 A kind of power cable radius of turn measuring scale
CN108844430A (en) * 2018-04-27 2018-11-20 北京汽车股份有限公司 Fillet measuring device
CN109059734A (en) * 2018-08-22 2018-12-21 王宁 A kind of electrical engineering cable turning radius measuring instrument
CN109405718A (en) * 2018-12-17 2019-03-01 国网重庆市电力公司电力科学研究院 A kind of cable bend displacement measurement device
CN109839084A (en) * 2019-01-25 2019-06-04 国家电网有限公司 A kind of turning radius detection device of high voltage single-core cable, system and method

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093366A1 (en) * 2004-03-26 2005-10-06 Keiichi Tachikawa Method for measuring radius of curvature and measuring device
CN203083504U (en) * 2013-03-15 2013-07-24 中广核工程有限公司 Cable bending radius detection tool
CN103837068A (en) * 2012-11-23 2014-06-04 天津市宝坻供电有限公司 Method for rapid measurement of cable turning radius
CN104330012A (en) * 2014-06-30 2015-02-04 国家电网公司 Portable cable bending radius acceptance checker
CN205138397U (en) * 2015-11-27 2016-04-06 国网北京市电力公司 Cable bending radiuses's detection ruler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005093366A1 (en) * 2004-03-26 2005-10-06 Keiichi Tachikawa Method for measuring radius of curvature and measuring device
CN103837068A (en) * 2012-11-23 2014-06-04 天津市宝坻供电有限公司 Method for rapid measurement of cable turning radius
CN203083504U (en) * 2013-03-15 2013-07-24 中广核工程有限公司 Cable bending radius detection tool
CN104330012A (en) * 2014-06-30 2015-02-04 国家电网公司 Portable cable bending radius acceptance checker
CN205138397U (en) * 2015-11-27 2016-04-06 国网北京市电力公司 Cable bending radiuses's detection ruler

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107588709A (en) * 2017-09-18 2018-01-16 国网山东省电力公司济南供电公司 A kind of power cable radius of turn measuring scale
CN108844430A (en) * 2018-04-27 2018-11-20 北京汽车股份有限公司 Fillet measuring device
CN109059734A (en) * 2018-08-22 2018-12-21 王宁 A kind of electrical engineering cable turning radius measuring instrument
CN109405718A (en) * 2018-12-17 2019-03-01 国网重庆市电力公司电力科学研究院 A kind of cable bend displacement measurement device
CN109839084A (en) * 2019-01-25 2019-06-04 国家电网有限公司 A kind of turning radius detection device of high voltage single-core cable, system and method

Similar Documents

Publication Publication Date Title
KR101007503B1 (en) T/l dip diagnosis method
CN101349722B (en) Electromagnetic environment test method based on simulated data
JP5019722B2 (en) Curvature measuring tool
CN203536873U (en) Handle-type cable stripper
CN104333417A (en) Electric power communication optical cable fault positioning technology
CN103217109B (en) A kind of Crack Monitoring sensor based on OTDR technique and using method thereof
CN104636555A (en) 10kV three-core cable temperature field model establishing method
KR102041641B1 (en) Apparatus and method for fault section detection of combined transmission line
CN203324463U (en) Performance test and evaluation platform for small-current grounding line selection device
CN103823155A (en) AT traction network short circuit fault distance measurement method
CN201885824U (en) Online distributing cable temperature monitoring device
CN205752622U (en) A kind of switch cabinet bus, the dual-purpose earth lead of end end
CA2925544A1 (en) Method and device for monitoring a submarine cable
CN204322044U (en) A kind of Portable combined toolbox
CN102590686B (en) A kind of method for determining radio interference of bipolar direct current transmission line
CN104635056A (en) Method for calculating contact resistance of intermediate joint crimping tube of three-core cable
CN105182184A (en) Distribution network cable hybrid direct distribution line fault ranging method based on line side direction traveling wave decomposition
CN101593944A (en) The single-core power cables method for pre-controlling cross interconnected sheathing induction current
CN103226172A (en) Cable ampacity analysis system based on linear temperature-sensitive technology and calculation method for cable ampacity
CN106248048A (en) A kind of shelves side based on total powerstation conducting wire sag observation procedure
CN106932631A (en) A kind of bus voltage measurement device set up in single-phase GIS tank bodies blind end
CN103245290A (en) Physical dimension detection method for industrial irregularly-shaped components
CN202172021U (en) Rainproof built-in electricity-testing type insulating operating rod
CN103592054B (en) Cable Group core temperature determining method, device and the installation method of this device
CN204012536U (en) The cross interconnected case of cable of a kind of convenient operation and trystate phase transformation

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160224

RJ01 Rejection of invention patent application after publication