CN110146439A - A kind of cable compression joint performance test platform and its test method - Google Patents
A kind of cable compression joint performance test platform and its test method Download PDFInfo
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- CN110146439A CN110146439A CN201910344234.0A CN201910344234A CN110146439A CN 110146439 A CN110146439 A CN 110146439A CN 201910344234 A CN201910344234 A CN 201910344234A CN 110146439 A CN110146439 A CN 110146439A
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Abstract
The invention discloses a kind of cable compression joint performance test platform and its test methods, wherein the cable compression joint performance test platform includes: the fixed device of crimp, is used to be fixed for the crimp of crimping cable；Cable fixture is used for fixed cable to be crimped；Cable moving device connects with the cable fixture；Contact resistance test device is used to measure the contact resistance between the cable and connecting tube to be crimped；Device for pressure measurement is used to measure pressure caused by crimp when crimping the cable wait crimp；And displacement measuring device, it is used to measure connecting tube and is under pressure the displacement for being deformed and occurring.
Description
Technical field
The present invention relates to the crimp technology fields of cable connector conductor part, particularly relate to a kind of cable compression joint performance test
Platform and its test method.
Background technique
Rising year by year for cable rate brings the rapid growth of cable construction amount.Wherein, cable connector production is cable
Mostly important link in construction.Process involved in cable connector manufacturing process is many and diverse, and the crimping of cable conductor part is
Most important process in entire cable connector manufacturing process.The quality of cable crimping process directly influences cable laying work
It is qualified or not.Currently, how improving working efficiency while guaranteeing crimp quality, reducing job costs is asking of mainly considering
Topic.From the point of view of improving the working efficiency that cable crimps, the existing improvement to hydraulic tongs also has the design to compression bonding apparatus.Such as state
The patent publication No. that family announces Department of Intellectual Property's on May 25th, 2016 is CN205265010U, a kind of entitled " manual cable crimping
The utility model patent of pincers " discloses a kind of hydraulic tongs that competing rotating disk is equipped with using clamping head, to make it
Transmission is accurate, avoids crimping from deforming, improves crimping effect.The patent announced such as State Intellectual Property Office's on July 07th, 2017
Publication No. CN106936049A, the patent of invention of entitled " a kind of Four-slider synchronizing cable crimping apparatus ", using hydraulic cylinder and
Two parallel columns can satisfy the crimp quality requirement of cable conductor, and easy to use, low in cost.Furthermore it is protecting
In terms of demonstrate,proving crimp quality, if the patent publication No. announced State Intellectual Property Office's on June 30th, 2017 is CN206292191U, name
For the utility model patent of " cable crimp head quality detection device ", a kind of internal state inspection realized after cable crimping is disclosed
Brake is applicable on site and on-line checking, easy to operate and safe, the high device of detection efficiency.
On the other hand, process involved in cable connector manufacturing process is many and diverse, and the crimping of cable conductor part is entire
Most important process in cable connector manufacturing process, and the crimping of cable by easy tool mainly by manually completing.Therefore
Due to the difference of technology level of staff, crimping tool difference etc. all may cause that crimp head is not tight, contact resistance is excessive, long
Phase operation will cause cable connector overheat, thus the problems such as burning insulation, so that line powering be caused to interrupt.Thus by deeply
Factor of the cable of different size during crimping is studied, quantifies cable conductor crimp quality evaluation index, establishes conductor and connect
The interpretational criteria of head crimp quality simultaneously is applied to that actual production is instructed to need.
For the drawbacks described above for solving current technical problem, it is necessary to propose a kind of cable compression joint performance test platform.
Summary of the invention
In view of this, it is an object of the invention to propose a kind of cable compression joint performance test platform and its test method.
Based on a kind of above-mentioned purpose cable compression joint performance test platform provided by the invention, wherein the cable crimping property
Can test platform include:
Crimp fixes device, is used to be fixed for the crimp of crimping cable；
Cable fixture is used for fixed cable to be crimped；
Cable moving device connects with the cable fixture；
Contact resistance test device is used to measure the contact resistance between the cable and connecting tube to be crimped；
Device for pressure measurement is used to measure pressure caused by crimp when crimping the cable wait crimp
Power；And
Displacement measuring device is used to measure connecting tube and is under pressure the displacement for being deformed and occurring.
Cable compression joint performance test platform as described above, wherein the fixed device of the crimp includes matching
Upper and bottom section, the top are arranged with upper half slot, and the lower part is arranged with the lower half slot matched with the upper half slot,
When the upper part is abutted with the lower part split-phase, the upper half slot is cooperatively formed with the lower half slot for installing described crimp
The groove of grinding tool.
Cable compression joint performance test platform as described above, wherein the both ends of the lower part are respectively equipped with the cable
Fixed device, wherein the cable fixture includes the card slot that the cable to be crimped is set for card.
Cable compression joint performance test platform as described above, wherein set between the card slot and the cable to be crimped
There is felt pad.
Cable compression joint performance test platform as described above, wherein the side of the lower part is mobile equipped with the cable
Device, wherein the cable moving device include can along the sliding rail slide unit slided, the first plate for connecting with the slide unit and
The second plate to connect with first plate, second plate connect with the cable fixture, and the slide unit is equipped with scale.
Cable compression joint performance test platform as described above, wherein first plate is vertically arranged with second plate.
Cable compression joint performance test platform as described above, wherein institute's displacement measurement device includes and the connecting tube
The displacement sensor that connects and the single-chip microcontroller to connect with institute displacement sensors.
Cable compression joint performance test platform as described above, wherein the device for pressure measurement includes and the pressure welding mold
Has the pressure sensor to connect, the pressure sensor is connected by output lead with single-chip microcontroller.
The present invention also provides a kind of cable compression joint performance test methods, wherein the cable compression joint performance test method
Include:
S1: multiple Indentation positions are calibrated in connecting tube；
S2: the cable of two identical specifications is inserted into the connecting tube；
S3: two collets for touching resistance meter are folded in the end far from the connecting tube of two cables respectively；
S4: the crimping cable at each Indentation position is until the deformation of connecting tube reaches stable, and records and crimped
Pressure caused by the displacement of connecting tube and crimp in journey.
Cable compression joint performance test method as described above, wherein in step s 4, start hydraulic press, be adjusted to initial
Pressure is crimped at each Indentation position, stagnates progress pressure maintaining in 10 seconds after pushing every time, to ensure that connecting tube deformation reaches
To stabilization.
From the above it can be seen that in view of the above problems, the present invention using the crimping of cable connector conductor as point of penetration, is led to
Cross further investigation different size cable using pressure welding mold crimping during pressure information, contact resistance, connecting copper pipe by
In stress generation denaturation and tensile strength of cable connector etc. is between factors and crimp quality after the completion of the displacement of generation, crimping
Relationship carries out the research of cable crimping experimental performance test, quantifies cable crimp quality evaluation index, guarantees the long-term steady of cable
Fixed operation.
Compared with prior art, the invention has the following advantages that
One, cable compression joint performance test platform of the present invention can be applicable in the crimping of the cable of different size, more
The relationship of the factors such as cable and crimp force, contact resistance convenient, that intuitively research and analyse different size；Furthermore this performance test
Installation and removal also very simple of the platform for different size cable.
Two, cable compression joint performance test platform of the present invention can measure the variation of multiple influence factors simultaneously, packet
Include the factors such as pressure value, contact resistance value, shift value, and may be implemented pressure value and shift value and time to mark, that is, realize
The synchronous acquisition of data.
Three, cable compression joint performance test platform of the present invention may be implemented to be connected from different force application apparatus
It connects, there is stronger adaptability and higher flexibility.
Detailed description of the invention
Fig. 1 is the device composition schematic diagram that cable provided in an embodiment of the present invention crimps experimental performance test platform；
Fig. 2 is the overall structure diagram that cable provided in an embodiment of the present invention crimps experimental performance test platform；
Fig. 3 is the schematic diagram for the lower unit that cable provided in an embodiment of the present invention crimps experimental performance test platform；
Fig. 4 is the schematic diagram that cable provided in an embodiment of the present invention crimps unit on experimental performance test platform；
Fig. 5 is the flow chart that cable provided in an embodiment of the present invention crimps experimental performance test method；
Fig. 6 is the flow chart that cable provided in an embodiment of the present invention crimps experimental performance test method.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment, and reference
Attached drawing, the present invention is described in more detail.
It should be noted that all statements for using " first " and " second " are for differentiation two in the embodiment of the present invention
The non-equal entity of a same names or non-equal parameter, it is seen that " first " " second " only for the convenience of statement, does not answer
It is interpreted as the restriction to the embodiment of the present invention, subsequent embodiment no longer illustrates this one by one.
Cable compression joint performance test platform of the invention is described in detail to Fig. 4 referring now to figure 1.
As shown in Figure 1, cable compression joint performance test platform of the invention includes the fixed device of crimp, the fixed dress of cable
Set, cable moving device, contact resistance test device, pressure-measuring system (being referred to as device for pressure measurement) and displacement
Measuring system (is referred to as displacement measuring device), wherein the fixed device of crimp is for being fixed for crimping cable
Crimp, cable fixture connect for fixed cable to be crimped, cable moving device with the cable fixture
With mobile cable to be crimped, contact resistance test device is used to measure the contact between the cable and connecting tube to be crimped
Resistance, device for pressure measurement are used to measure pressure caused by the crimp when cable described in crimping wait crimp, and
Displacement measuring device is under pressure the displacement for being deformed and occurring for measuring connecting tube.
It is carried out in detail now in conjunction with a specific embodiment of the Fig. 1 to Fig. 3 to cable compression joint performance test platform of the invention
Description, it should be noted that, which is intended to keep the present invention clear herein, not limits the invention.
As shown in Figure 1 to Figure 3, a kind of cable compression joint performance test platform is divided into unit 001 and lower unit 002, including
Crimp fixes device 1, cable fixture 2, cable moving device 3, contact resistance test device 4, pressure testing system
5, displacement test system 6, cable compression joint performance test platform further include the device of some responsible connections, are realized between all parts
Interconnection.In order to illustrate conveniently, as shown in Figure 1, the hydraulic press 003 that force application apparatus uses.Since the test platform has
Stronger flexibility can according to need with changing suitable device for exerting.
The fixed device 1 of the crimp is divided into lower part due to the structure of crimp and the working method of crimping
1-1 and upper part 1-2 is located at the upper unit 001 and lower unit 002 of test platform.Intermediate groove be crimp 7-1 and
The installation site of 7-2, it is calmly fixed by the tight fixed bolt of side tight 8.Crimp fixed device 1-1 and 1-2 pass through four respectively
The bolt of edge is fixed on 9-1 on lower unit connection plate and with upper unit connects plate 9-2.Upper and lower two parts are by top horizontal
The positioning pin in face is to determine whether alignment, to guarantee that the upper and lower part of crimp 7-1 and 7-2 during crimping can be with
Alignment.
The cable fixture 2 is equipped with felt pad 2-1 in the lower unit 001 of test platform, card slot, can
Not will receive the interference of the resistance of cable fixture 2 itself when guaranteeing contact resistance caused by measurement cable, realize simultaneously
The function of fixed different size cable.Due to the power for being perpendicular to cable that cable is subject to during crimping, therefore cable is fixed
Device is not necessarily to realize in horizontal direction the function being fixed on cable on device.
The cable moving device 3 is flat by orthogonal two pieces connections positioned at the lower unit 002 of test platform
Plate 10 and 11 is connected with cable fixture 2.The sliding block handle of rotating side translates straight line slide unit, drives connection plate
Movement, to realize the movement of cable in the horizontal direction.Straight line slide unit is marked with scale, can control the movement of cable
Distance.Cable moving device is fixed on lower unit plate 9-1 by the bolt of bottom surface.
The contact resistance test device 4, measurement collet 4-1 and 4-2 are clipped in the left-side cable 12- crimped respectively
The outer end 1 and right-side cable 12-2, realizes the function of measuring contact resistance.It is not necessarily to before the crimping of any two cable conductors is completed
Touch measurement collet.
The pressure-measuring system 5, including pressure sensor 5-1 and its control system, pressure sensor 5-1, which is located at, to be surveyed
The upper unit 002 of platform is tried, pressure sensor is connected by output lead 5-2 with single-chip microcontroller.Measured power during crimping
It is acquired by single-chip microcontroller, realizes the function of real-time measurement pressure, obtain the relationship of pressure and time.
The displacement measurement system 6, including displacement sensor 6-1 and its control system, displacement sensor are located at test
The lower unit 001 of platform.Connecting copper pipe 14 during crimping stress deformation occurs and generate displacement by same single-chip microcontroller
It is acquired, realizes the function of real-time measurement displacement, obtain the relationship of displacement with time.
As shown in figure 5, the invention also provides a kind of cable crimping property based on above-mentioned cable compression joint performance test platform
Energy test method, wherein the cable compression joint performance test method includes the following steps:
S1: multiple Indentation positions are calibrated in connecting tube；
S2: the cable of two identical specifications is inserted into the connecting tube；
S3: two collets for touching resistance meter are folded in the end far from the connecting tube of two cables respectively；
S4: the crimping cable at each Indentation position is until the deformation of connecting tube reaches stable, and records and crimped
Pressure caused by the displacement of connecting tube and crimp in journey.
Specifically, in step s 4, start hydraulic press, be adjusted to initial pressure and crimped at each Indentation position,
Progress pressure maintaining in 10 seconds is stagnated after pushing every time, to ensure that connecting tube deformation reaches stable.
It is described in detail now in conjunction with specific embodiment of the Fig. 6 to cable compression joint performance test method of the invention, together
Sample, the specific embodiment purport understand that not purport is carried out in the present invention in the cable compression joint performance test method for keeping this of the invention
Limitation.
As shown in fig. 6, cable compression joint performance test method of the invention is to crimp experimental performance test platform based on cable
Test method.
A kind of test method based on cable crimping experimental performance test platform, it is assumed that a crimping process includes the road m pressure
Trace, per pass impression include n times crimping, the course of work the following steps are included:
Step 1: the thick calibration of impression: carrying out the thick of Indentation position with marking pen on the connecting copper pipe 14 of dimension
Calibration, wherein the number m of impression can be determined by the length of connecting copper pipe 14.The subsequent accurate movement of cable is by the mobile dress of cable
The scale of straight line slide unit institute band in setting, which marks, to be realized.
Step 2: the processing of cable: taking out the identical cable 12-1 and 12-2 of a certain specification two, and choose corresponding specification
Connecting copper pipe 14.Vernier caliper measures the half of 14 length of connecting copper pipe, with identical length in two cables 12-1 and 12-
It is marked on 2 with marking pen, is wrapped with insulating tape, make the diameter for having a diameter larger than connecting copper pipe 14, to block cable 12-
1 and 12-2, it is ensured that two cables 12-1 and 12-2 can divide connecting copper pipe 14 equally.
Step 3: the placement of cable: two cables 12-1 and 12-2 being put into connecting copper pipe 14, and are marked according to impression
It is placed on crimp 7-1.The position of placement is pressure of any one cable 12-1 or 12-2 among connecting copper pipe 14
Trace mark might as well be denoted as impression mark of the 12-1 among connecting copper pipe 14.
Step 4: the installation of contact resistance tester: measurement collet 4-1 and 4-2 are clipped in cable 12-1 and 12-2 respectively
Outer end, then open contact resistance tester 4 debugged.
Step 5: the crimping of first of impression mark: starting hydraulic press 003 is adjusted to initial pressure and presses at first
Trace mark is crimped.Progress pressure maintaining in 10 seconds is stagnated after pushing every time, it is ensured that the deformation of connecting copper pipe 14 reaches stable, simultaneously
It is also ensured that 4 parameter of contact resistance tester reaches stable, resistance value at this time is recorded.Pressure and the data of displacement have been at this time
It is collected by single-chip microcontroller.Pressure is gradually incremented by, until crimping number is n, completes the crimping of impression mark at first.It has pressed
After first of impression, turning block handle is moved to down mark at one of impression, and cable 12-1 is rotated by a certain angle.
Cable 12-1 and connecting copper pipe 14 are connected together due to impression at this time, therefore rotatable cable 12-1 and rotation connecting copper pipe 14
Effect is identical.
Step 6: the crimping of subsequent impression mark: crimping order is from the impression close to the intermediate position of connecting copper pipe 14
Mark starts to crimp, and successively crimps the impression mark until outermost end outward, and the method for crimping is identical as the 5th step.Cable
The crimping of 12-2 is handled in an identical manner.
Step 7: the disassembly of cable and the crimping of next specification cable: after completing above-mentioned steps, removing contact resistance survey
The cable 12-1 and 12-2 that test cartridge 4-1, the 4-2 and crimping for trying instrument 4 are completed, the cable for changing another specification repeat upper step
One to six.
It should be understood by those ordinary skilled in the art that: the discussion of any of the above embodiment is exemplary only, not
It is intended to imply that the scope of the present disclosure (including claim) is limited to these examples；Under thinking of the invention, above embodiments
Or can also be combined between the technical characteristic in different embodiments, step can be realized with random order, and be existed such as
Many other variations of the upper different aspect of the invention, for simplicity, they are not provided in details.
In addition, to simplify explanation and discussing, and in order not to obscure the invention, it can in provided attached drawing
It is connect with showing or can not show with the well known power ground of integrated circuit (IC) chip and other components.Furthermore, it is possible to
Device is shown in block diagram form, to avoid obscuring the invention, and this has also contemplated following facts, i.e., about this
The details of the embodiment of a little block diagram arrangements be height depend on will implementing platform of the invention (that is, these details should
It is completely within the scope of the understanding of those skilled in the art).Elaborating that detail (for example, circuit) is of the invention to describe
In the case where exemplary embodiment, it will be apparent to those skilled in the art that can be in these no details
In the case where or implement the present invention in the case that these details change.Therefore, these descriptions should be considered as explanation
Property rather than it is restrictive.
Although having been incorporated with specific embodiments of the present invention, invention has been described, according to retouching for front
It states, many replacements of these embodiments, modifications and variations will be apparent for those of ordinary skills.Example
Such as, discussed embodiment can be used in other memory architectures (for example, dynamic ram (DRAM)).
The embodiment of the present invention be intended to cover fall into all such replacements within the broad range of appended claims,
Modifications and variations.Therefore, all within the spirits and principles of the present invention, any omission, modification, equivalent replacement, the improvement made
Deng should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of cable compression joint performance test platform, which is characterized in that the cable compression joint performance test platform includes:
Crimp fixes device, is used to be fixed for the crimp of crimping cable；
Cable fixture is used for fixed cable to be crimped；
Cable moving device connects with the cable fixture；
Contact resistance test device is used to measure the contact resistance between the cable and connecting tube to be crimped；
Device for pressure measurement is used to measure pressure caused by crimp when crimping the cable wait crimp；With
And
Displacement measuring device is used to measure connecting tube and is under pressure the displacement for being deformed and occurring.
2. cable compression joint performance test platform according to claim 1, which is characterized in that the fixed device of the crimp
Including the upper and bottom section matched, the top is arranged with upper half slot, and the lower part is arranged with and the upper half slot phase
The lower half slot of cooperation, when the upper part is abutted with the lower part split-phase, the upper half slot and the lower half slot cooperatively form use
In the groove for installing the crimping grinding tool.
3. cable compression joint performance test platform according to claim 2, which is characterized in that distinguish at the both ends of the lower part
Equipped with the cable fixture, wherein the cable fixture includes the card slot for setting the cable to be crimped for card.
4. cable compression joint performance test platform according to claim 3, which is characterized in that the card slot is with described wait crimp
Cable between be equipped with felt pad.
5. cable compression joint performance test platform according to claim 1, which is characterized in that the side of the lower part is equipped with
The cable moving device, wherein the cable moving device includes that can connect along the slide unit of sliding rail sliding, with the slide unit
The first plate and the second plate for connecting with first plate, second plate connect with the cable fixture, the cunning
Platform is equipped with scale.
6. cable compression joint performance test platform according to claim 5, which is characterized in that first plate and described second
Plate is vertically arranged.
7. cable compression joint performance test platform according to claim 1, which is characterized in that institute's displacement measurement device includes
The displacement sensor that connects with the connecting tube and the single-chip microcontroller to connect with institute displacement sensors.
8. cable compression joint performance test platform according to claim 1, which is characterized in that the device for pressure measurement includes
The pressure sensor to connect with the crimp, the pressure sensor are connected by output lead with single-chip microcontroller.
9. a kind of cable compression joint performance test method, which is characterized in that the cable compression joint performance test method includes:
S1: multiple Indentation positions are calibrated in connecting tube；
S2: the cable of two identical specifications is inserted into the connecting tube；
S3: two collets for touching resistance meter are folded in the end far from the connecting tube of two cables respectively；
S4: the crimping cable at each Indentation position is until the deformation of connecting tube reaches stable, and during recording crimping
Pressure caused by the displacement of connecting tube and crimp.
10. cable compression joint performance test method according to claim 9, which is characterized in that in step s 4, start hydraulic
Machine is adjusted to initial pressure and is crimped at each Indentation position, progress pressure maintaining in 10 seconds is stagnated after pushing every time, to ensure
Connecting tube deformation reaches stable.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115421082A (en) * | 2022-09-01 | 2022-12-02 | 华能国际电力股份有限公司河北清洁能源分公司 | Device and method for testing crimping state of hardware fitting and cable conductor |
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