CN106526325A - Crimping resistance nondestructive measurement tool - Google Patents
Crimping resistance nondestructive measurement tool Download PDFInfo
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- CN106526325A CN106526325A CN201611041301.4A CN201611041301A CN106526325A CN 106526325 A CN106526325 A CN 106526325A CN 201611041301 A CN201611041301 A CN 201611041301A CN 106526325 A CN106526325 A CN 106526325A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R27/00—Arrangements for measuring resistance, reactance, impedance, or electric characteristics derived therefrom
- G01R27/02—Measuring real or complex resistance, reactance, impedance, or other two-pole characteristics derived therefrom, e.g. time constant
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Resistance Or Impedance (AREA)
Abstract
The invention provides a nondestructive measurement tool for crimping resistance of a wire, and the tool is simple in structure, rapid in clamping and accurate in measurement. The nondestructive measurement tool includes two clamp bodies and an external short circuit plate, the two clamp bodies have the same structures, each clamp body includes an upper support, a middle screwing assembly, a middle support assembly and a bottom pedestal assembly, the support and the pedestal assembly are connected in a fastened manner through a bolt and provide support and fixing for the middle screwing assembly, the bottom of a screw of the screwing assembly is equipped with an elastic pressing block, and clamping force is applied to a measured wire through rotation of the screw. The two clamp bodies are placed side by side when working, and two ends of the external short circuit plate are pressed through the elastic pressing blocks on the screwing assemblies of the clamp bodies, thereby realizing connection. A spiral clamping principle is adopted to clamp a workpiece, thereby realizing accurate measurement of crimping resistance of wires with various lengths and various section diameters (0.08mm<2>~3mm<2>).
Description
Technical field
The present invention relates to a kind of nondestructive measurement frock of crimping resistance, particularly a kind of micro- resistance of conductor compression jointing part is lossless
Measurement frock, can easily carry out the resistance measurement of crimp in space product.
Background technology
In space industry, crimping refer to it is a kind of at normal temperatures with cold pressing bonding tool or equipment make wire that plastic deformation to occur and
Form the connected mode of metallic combination.Crimping resistance is an important parameter for characterizing crimping connection electric property, inappropriate
Crimping resistance be electric connector work in produce temperature rise main cause, crimp resistance whether the exceeded electronics that directly affects sets
The stability and reliability of standby work.The test scope of crimping resistance is milliohm level or micro-ohm level, and current great majority adopt milliohm
Table is measured, and as milliohmmeter probe size is less, the probe of milliohmmeter is connected with measured point more time-consuming by hand, while needing
The insulating sheath strip off of the wire that crimping is finished carries out destructive measurement, and this metering system receives milliohmmeter measuring instrument
The oxidizable impact of probe and the restriction of milliohmmeter measuring instrument function, have that measurement efficiency is low, and measurement data is inaccurate, weight
The shortcoming of renaturation difference.
The content of the invention
The invention provides a kind of simple structure, quick-clamping, the nondestructive measurement frock of conductor compression jointing resistance is accurately measured,
Workpiece is clamped using helical clamping principle, different lengths, multiple section diameter (0.08mm is realized23mm2))Conductor compression jointing electricity
Resistance accurate measurement；Concrete fixture scheme is as follows：
The frock includes 2 clamp bodies and 1 external short-circuit piece, and two clamp body structures are the same, placed side by side during work, leads to
Cross the elastic press that clamp body screwed on component and push down external short-circuit piece two ends and realize connection.1 clamp body is used for clamping wire
Metal crimp end, another 1 clamp body are used for another core end of clamping wire.Clamp body include upper bracket, middle part screw component,
Support component and bottom base component, clamp body are gantry frame type supporting construction, connecting bracket and bottom in the way of bolt is fastened
Holder assembly, and screw component for centre support and fixed is provided, elastic press is installed in the screw rod bottom for screwing component, by rotation
Screw rod applies clamping force to tested wire.
Upper bracket be flat elongate configuration, metal material, symmetrical 2 bolt through-holes in support two ends, its center
There is 1 confession to screw the macropore that component is passed through, for screwing the support and fixation of component.
Middle part screw component by 1 dish shape nut, sleeve, screw screw rod, elastic press, straight pin and mark closely screw group
Into；Dish shape nut is cylindrical 2 butterfly journal stirrups, and 2 annular boss are arranged at cylindrical bottom, and there is trapezoidal thread through hole at center, and screws
Screw rod is connected using trapezoidal thread, outside interior together with sleeve connection using semi-open slot at the top of the embedded sleeve of bottom boss；
Sleeve is cylindrical shape, and there is the annular groove of 1 half opening on top, and there is through hole at center, has a radial screw bore in the middle part of sleeve, rotation
Tight screw tip passes through bushing core through hole after being connected with dish shape nut, marks closely screw and screws screw rod straight trough by sleeve insertion
Interior, restriction screws screw rod and can only make straight line up and down motion；It is " T " font to screw screw rod, and top is oval to screw screw rod bottom
Shape boss, raised head face have oval connected in star, and profile is consistent with elastic press, for being embedded in elastic press；Elastic press profile
For Long Circle, highly protrude and screw screw rod concave station end face 2mm, screw rod will be screwed with straight pin and fixed with elastic press, material is
Hard rubber, has good insulating properties, can reduce impact of the contact resistance to measuring.During work, rotation dish shape nut drives and screws
Screw rod rotation motion be in line motion by reduce, expand compression spacing method realize screw rod Quick-clamped anyway and
Exit.
Midfoot support component is made up of 2 supporting sleeves, 2 sets of bolts, spring washer, nuts, for supporting support.2 supports
Sleeve pipe is located between upper bracket and lower base component, with bolt by base assembly, supporting sleeve and support spring washer, nut
It is fastened as a whole.
Base assembly is by 1 base body, limiting plate, gripping block, 2 measurement interfaces and 4 bolts, spring washer and nut groups
Into for supporting whole clamp body.Base body and limiting plate are glass steel material, it is ensured that effectively insulate with lead conductor, bottom
Pedestal is " T " shape structure, and top is boss, and bottom is rectangle base plate, and boss length and width is consistent with support, and boss both sides have right
2 vias for claiming, have 1 groove in the middle of boss, profile is consistent with gripping block profile, for being embedded in gripping block, base body base plate
On have 2 vias, with bolt by limiting plate spring washer, nut fasten, have 2 vias on base body boss；Limiting plate is " L " shape
Structure, side are used to block gripping block and wire, can control every line placement location unanimously, and there are 2 vias bottom surface, uses bolt
Limiting plate is fastened with base body；It is that fine copper is gold-plated to clamp stock material, has good electric conductivity, and resistance is zero, and profile is upper width
Under narrow T-shaped, symmetrical 2 vias in upper surface both sides, the gold-plated binding post of frock measurement interface passes through the hole spring washer and spiral shell
Mother is fastened in gripping block, and the V-arrangement groove of 3 different lengths is provided with gripping block upper surface, and V-shaped groove sectional dimension can be accommodated cuts
Area is 0.08mm23mm2)3 class wire metals pressure connection terminals, V-shaped groove length contained the 3 class length at metal crimp end, can
To meet the needs of metal crimping terminal different lengths, multiple section diameter；2 measurement interfaces are made up of 2 gold-plated binding posts,
The gold-plated rotatable compression measuring instrument p-wire of binding post and external short-circuit piece.
External short-circuit piece is strip thin slice, and material is fine copper gold coated article, and resistance is zero, and symmetrically there are 2 open slots at two ends,
It is easy to be connected across on the measurement interface of clamp body.
The mode of milliohmmeter probe measurement is compared, this tool structure is simple, and easy to operate, highly versatile, precision are higher；
And only need to change different gripping blocks, you can adapt to the crimp type terminal of different cross section diameter and length；Using elastic press
So that Work-sheet pressing is tightr, and makes pinching end and workpiece good contact, electric current is made to be uniformly distributed in tested core, reduction connects
Resistance of getting an electric shock is affected on measurement, it is ensured that the degree of accuracy of measurement；Using screw rod Quick-clamped and drawing-out mechanism is screwed anyway, using more
Plus it is convenient, flexible.
Description of the drawings
Accompanying drawing 1 is clamp body positive structure schematic；
Accompanying drawing 2 is clamp body reverse structure schematic；
Accompanying drawing 3 is clamp body longitudinal section；
Accompanying drawing 4 is crimping resistance nondestructive measurement frock schematic diagram.
1 dish shape nut, 2 supports, 3 sleeves, 4 screw screw rod, 5 straight pins, 6 clampings
Block, 7 base bodies, 8 bolts, 9 spring washers, 10 nuts, 11 supporting sleeves, 12 measurement interfaces,
13 elastic press, 14 mark closely screw, 15 limiting plates, 16 external short-circuit pieces.
Specific embodiment
The invention provides a kind of simple structure, quick-clamping, the nondestructive measurement frock of conductor compression jointing resistance is accurately measured,
Workpiece is clamped using helical clamping principle, different lengths, multiple section diameter (0.08mm is realized23mm2))Conductor compression jointing electricity
Resistance accurate measurement；Concrete fixture scheme is as follows：
The frock includes 2 clamp bodies and 1 external short-circuit piece, and two clamp body structures are the same, placed side by side during work, leads to
Cross the elastic press that clamp body screwed on component and push down external short-circuit piece two ends and realize connection.1 clamp body is used for clamping wire
Metal crimp end, another 1 clamp body are used for another core end of clamping wire.Clamp body include upper bracket, middle part screw component,
Support component and bottom base component, clamp body are gantry frame type supporting construction, connecting bracket and bottom in the way of bolt is fastened
Holder assembly, and screw component for centre support and fixed is provided, elastic press is installed in the screw rod bottom that screws for screwing component, passes through
Screw screw rod and clamping force is applied to tested wire.
Upper bracket be flat elongate configuration, metal material, symmetrical 2 bolt through-holes in support two ends, its center
There is 1 confession to screw the macropore that component is passed through, for screwing the support and fixation of component.
Middle part screw component by 1 dish shape nut, sleeve, screw screw rod, elastic press, straight pin and mark closely screw group
Into；Dish shape nut is cylindrical 2 butterfly journal stirrups, and 2 annular boss are arranged at cylindrical bottom, and there is trapezoidal thread through hole at center, and screws
Screw rod is connected using trapezoidal thread, outside interior together with sleeve connection using semi-open slot at the top of the embedded sleeve of bottom boss；
Sleeve is cylindrical shape, and there is the annular groove of 1 half opening on top, and there is through hole at center, has a radial screw bore in the middle part of sleeve, rotation
Tight screw tip passes through bushing core through hole after being connected with dish shape nut, marks closely screw and screws screw rod straight trough by sleeve insertion
Interior, restriction screws screw rod and can only make straight line up and down motion；Screw rod is screwed for " T " font, top is that thin cylinder is cylindrical for trapezoidal
Screw thread, bottom have Long Circle boss, and raised head face has oval connected in star, for being embedded in elastic press；Elastic press profile is length
Circle, height protrusion screw screw rod raised head face 2mm, will screw screw rod with straight pin and fix with elastic press, elastic press material
Matter is hard rubber, has good insulating properties, can reduce impact of the contact resistance to measuring.During work, rotation dish shape nut drives
Screw screw rod rotation motion be in line motion by reduce, expand compression spacing method realize screw rod quick clip anyway
It is tight and exit.
Midfoot support component is made up of 2 supporting sleeves, 2 sets of bolts, spring washer, nuts, for supporting support.2 supports
Sleeve pipe is located between upper bracket and lower base component, with bolt by base assembly, supporting sleeve and support spring washer, nut
It is fastened as a whole.
Base assembly is by 1 base body, limiting plate, gripping block, 2 measurement interfaces and 4 bolts, spring washer and nut groups
Into for supporting whole clamp body.Base body and limiting plate are glass steel material, it is ensured that effectively insulate with lead conductor, bottom
Pedestal is " T " shape structure, and top is boss, and bottom is rectangle base plate, and boss length and width is consistent with support, and boss both sides have right
2 vias for claiming, have 1 groove, for being embedded in gripping block, have 2 vias on base body base plate in the middle of boss, will be limited with bolt
Position plate spring washer, nut fastening, have 2 vias on base body boss；Limiting plate is " L " shape structure, and side is used to block clamping
Block and wire, can control every line placement location unanimously, and there are 2 vias bottom surface, limiting plate is fastened with base body with bolt；
It is that fine copper is gold-plated to clamp stock material, has good electric conductivity, and resistance is zero, and profile is T-shaped, upper surface both sides pair wide at the top and narrow at the bottom
Claim distribution 2 vias, the gold-plated binding post of frock measurement interface passes through the hole spring washer and nut to be fastened in gripping block, gripping block
The V-arrangement groove of 3 different lengths is provided with upper surface, V-shaped groove sectional dimension can accommodate sectional area for 0.08mm23mm2)3
Class wire metals pressure connection terminal, V-shaped groove length have contained the 3 class length at metal crimp end, can meet metal crimping terminal various
The needs of length, multiple section diameter；2 measurement interfaces are made up of 2 gold-plated binding posts, and the rotatable compression of gold-plated binding post is surveyed
Amount instrument p-wire and external short-circuit piece.
External short-circuit piece is strip thin slice, and material is fine copper gold coated article, and resistance is zero, and symmetrically there are 2 open slots at two ends,
It is easy to be connected across on the measurement interface of clamp body.
During use：Nondestructive measurement frock is connected by the signal of telecommunication with crimping resistance measuring instrument, crimps resistance measuring instrument
Conductor compression jointing resistance is measured by nondestructive measurement frock.
System zeroing is carried out first, and two test interfaces of crimping resistance measuring instrument are coupled with into the measurement of two clamp bodies
Screw gold-plated binding post to compress on interface；Then will be two clamp bodies placed side by side, two are connected across respectively with an external short-circuit piece
On the measurement interface of clamp body, screw gold-plated binding post and compress, after startup measuring instrument is zeroed out process, external short-circuit piece is torn open
Under；Finally, systematic survey is carried out, the solid conductor two ends for having crimped is positioned in the V-shaped groove of clamp body gripping block, wire top
Limiting plate is withstood at end, and rotation dish shape nut makes to screw screw rod together with elastic press fast-holding wire two ends；Then operational measure
Instrument measures the resistance value of the whole wire for having crimped.
The mode of milliohmmeter probe measurement is compared, this tool structure is simple, and easy to operate, highly versatile, precision are higher；
And only need to change different gripping blocks, you can adapt to the crimp type terminal of different cross section diameter；Using elastic press so that work
Part is compressed more closely, and makes pinching end and workpiece good contact, electric current is uniformly distributed in tested core, is reduced contact resistance
Measurement is affected, it is ensured that the degree of accuracy of measurement；Using screw rod Quick-clamped and drawing-out mechanism is screwed anyway, using more square
Just, flexibly.
Claims (2)
1. it is a kind of to crimp resistance nondestructive measurement frock, it is characterised in that including 2 clamp bodies and 1 external short-circuit piece, two fixtures
Body structure is the same, and clamp body includes that upper bracket, middle part screw component, support component and bottom base component, upper bracket and
Base assembly is connected by midfoot support component, and middle part screws component and is fixed on upper bracket, base assembly and midfoot support group
In the frame structure that part is formed, external short-circuit piece is connected between two clamp bodies.
It is 2. as claimed in claim 1 to crimp resistance nondestructive measurement frock, it is characterised in that upper bracket is flat elongate configuration,
Metal material, symmetrical 2 bolt through-holes in support two ends, its center has 1 the macropore that component is passed through is screwed for middle part；
Middle part screw component by dish shape nut, sleeve, screw screw rod, elastic press, straight pin and mark closely screw and constitute；Outside dish shape nut
Circle has 2 butterfly journal stirrups, and 2 annular boss are arranged at cylindrical bottom, and there is trapezoidal thread through hole at center, adopts trapezoidal spiral shell with screw rod is screwed
Stricture of vagina connects, and wing nut is embedded at the top of sleeve in semi-open slot by bottom boss and sleeve connection；Sleeve is cylindrical shape, top
There is the annular groove of half opening, there is through hole at center, have a radial screw bore in the middle part of sleeve, screw screw tip and dish shape nut
Bushing core through hole is passed through after connection, screw is marked closely and is screwed in screw rod straight trough by sleeve insertion；It is " T " font to screw screw rod,
To screw screw rod bottom for Long Circle boss, raised head face has oval connected in star, and profile is consistent with elastic press on top,；Elasticity
Briquetting profile is Long Circle, and highly protrusion screws screw rod concave station end face 2mm, screws screw rod and is fixed with elastic press by straight pin
Connection, straight pin material are hard rubber；Support component is by 2 supporting sleeves, 2 sets of bolts, spring washer, nut compositions, 2 support sets
Positioned between upper bracket and lower base component, base assembly, supporting sleeve and support spring washer, nut are fastened pipe by bolt
It is integrated；Base assembly is made up of 1 base body, limiting plate, gripping block, 2 measurement interfaces and 4 bolts, spring washer and nuts,
Base body and limiting plate are glass steel material, and base body is " T " shape structure, and top is boss, and bottom is rectangle base plate, convex
Platform length and width is consistent with support, and there is symmetrical 2 via boss both sides, has 1 groove, profile and gripping block profile in the middle of boss
Unanimously, there are 2 vias on base body base plate, limiting plate spring washer, nut are fastened by bolt, there are 2 vias on base body boss；
Limiting plate is " L " shape structure, and there are 2 vias bottom surface, and limiting plate is fastened by bolt with base body；Clamp stock material to plate for fine copper
Gold, resistance are zero, and profile is T-shaped, symmetrical 2 vias in upper surface both sides wide at the top and narrow at the bottom, and interface is gold-plated connects for frock measurement
Terminal passes through the hole spring washer and nut to be fastened in gripping block, and the V-arrangement that 3 different lengths are provided with gripping block upper surface leads to
Groove；2 measurement interfaces are made up of 2 gold-plated binding posts, and gold-plated binding post rotatably compresses measuring instrument p-wire and external short-circuit piece；
External short-circuit piece is strip thin slice, and material is fine copper gold coated article, and resistance is zero, and symmetrically there are 2 open slots at two ends, are connected across folder
On specific measurement interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041301.4A CN106526325B (en) | 2016-11-21 | 2016-11-21 | Nondestructive measurement tool for crimping resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611041301.4A CN106526325B (en) | 2016-11-21 | 2016-11-21 | Nondestructive measurement tool for crimping resistance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106526325A true CN106526325A (en) | 2017-03-22 |
| CN106526325B CN106526325B (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611041301.4A Active CN106526325B (en) | 2016-11-21 | 2016-11-21 | Nondestructive measurement tool for crimping resistance |
Country Status (1)
| Country | Link |
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| CN (1) | CN106526325B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771613A (en) * | 2016-11-21 | 2017-05-31 | 北京航天新风机械设备有限责任公司 | A kind of cable crimps resistance nondestructive measurement system |
| CN108318713A (en) * | 2018-01-30 | 2018-07-24 | 兰州大学 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
| CN108918592A (en) * | 2018-04-25 | 2018-11-30 | 国网湖北省电力有限公司经济技术研究院 | A kind of electric system lightning protection ground material modularization measuring device and application method |
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| CN206331044U (en) * | 2016-11-21 | 2017-07-14 | 北京航天新风机械设备有限责任公司 | One kind crimping resistance nondestructive measurement frock |
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| CN87207140U (en) * | 1987-06-04 | 1988-03-09 | 王存志 | Nondestructive testing device for nonlinear resistance |
| JPH03107772A (en) * | 1989-09-22 | 1991-05-08 | Japan Synthetic Rubber Co Ltd | Resistance measuring device |
| CN201837647U (en) * | 2010-11-08 | 2011-05-18 | 中国计量学院 | Fixture for testing impedance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106771613A (en) * | 2016-11-21 | 2017-05-31 | 北京航天新风机械设备有限责任公司 | A kind of cable crimps resistance nondestructive measurement system |
| CN108318713A (en) * | 2018-01-30 | 2018-07-24 | 兰州大学 | The contact resistance that holding area and quantity are adjusted based on pressure tests clamping device |
| CN108918592A (en) * | 2018-04-25 | 2018-11-30 | 国网湖北省电力有限公司经济技术研究院 | A kind of electric system lightning protection ground material modularization measuring device and application method |
| CN108918592B (en) * | 2018-04-25 | 2023-10-03 | 国网湖北省电力有限公司经济技术研究院 | Modular measurement device for lightning-proof grounding material of power system and application method |
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| Publication number | Publication date |
|---|---|
| CN106526325B (en) | 2023-10-03 |
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Address after: 100854 No. 52, Yongding Road, Beijing, Haidian District Applicant after: Beijing Xinfeng Aerospace Equipment Co.,Ltd. Address before: 100854 No. 52, Yongding Road, Beijing, Haidian District Applicant before: BEIJING HANGTIAN XINFENG MECHANICAL EQUIPMENT Co.,Ltd. |
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