CN212539926U - Testing device for testing bending life of copper wire - Google Patents
Testing device for testing bending life of copper wire Download PDFInfo
- Publication number
- CN212539926U CN212539926U CN202020985079.9U CN202020985079U CN212539926U CN 212539926 U CN212539926 U CN 212539926U CN 202020985079 U CN202020985079 U CN 202020985079U CN 212539926 U CN212539926 U CN 212539926U
- Authority
- CN
- China
- Prior art keywords
- copper wire
- testing
- bending
- lifting
- test
- 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.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a testing arrangement for be used for testing copper wire bending life, it includes: the device comprises a test platform, a copper wire fixing device and a lifting bending device, wherein the test platform is a test operation bearing platform arranged at the lowermost end; the two copper wire fixing devices are symmetrically arranged above the test platform and used for fixing the copper wires; the lifting bending device is arranged above the test platform and comprises a support frame, a lifting rod and a pressing line pair wheel. The beneficial effect of adopting above-mentioned technical scheme is: introduce lift bending device, lift bending device is at the up-and-down reciprocating motion in-process, and the line ball pair wheel homoenergetic is crooked the copper wire on the direction of double journey, and furthest embodies the actual bending conditions of copper wire, and its test data can truly reflect the bending life who is at the state copper wire of relapseing the bending, simple structure, and the adjustment is convenient, and practical cost is low.
Description
Technical Field
The utility model relates to a wire index detects technical field, concretely relates to a testing arrangement for testing copper wire bending life-span.
Background
The copper wire is a thin wire drawn by a thicker copper wire, can be used for wire-moving cutting lines, cable conductors, copper brush filter screens and the like, is widely applied in the wire-moving cutting and power transmission fields, and has a very important performance index for the copper wire due to the fact that the copper wire can be bent inevitably when in use.
In the prior art, a tensile testing instrument is generally adopted for testing the strength of a copper wire, and although a copper wire tensile testing instrument can automatically obtain Z large testing force, breaking force, yield force, tensile strength, compressive strength, bending strength, elastic modulus, elongation, fixed elongation stress, fixed stress elongation and other parameters, the bending testing instrument is obviously different from the bending life problem caused by bending fatigue in practical application of the copper wire, so that the reference value of test data is generally not high.
Therefore, the technical field needs a copper wire bending life testing device which has a simple structure, is practical in application and suitable for testing copper wires of different specifications, and is economical and practical.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a simple structure, laminating is used practically, is suitable for different specification copper wires of test and economical and practical's copper wire bending life testing arrangement.
In order to achieve the above purpose, the technical solution of the present invention is as follows:
a test device for testing the bending life of a copper wire, comprising: the device comprises a test platform, a copper wire fixing device and a lifting bending device, wherein the test platform is arranged at the lowest end of a test operation bearing platform; the test platform comprises a test platform, two copper wire fixing devices and a fixing disc, wherein the two copper wire fixing devices are symmetrically arranged above the test platform, a single copper wire fixing device comprises a supporting base, a supporting rod and a fixing disc, the supporting base is connected with the upper surface of the test platform, the lower end of the supporting rod is fixedly connected with the supporting base, the upper end of the supporting rod is detachably connected with the fixing disc, the fixing disc comprises a circular plate and a thread locking head, a V-shaped groove used for limiting the axial position of a copper wire is arranged on the circumferential surface of the circular plate, and a threaded hole for the thread locking head to enter and exit is formed in the circumferential surface back to the other copper wire fixing device; the lifting bending device is arranged above the test platform and comprises a support frame, a lifting rod and two pressing line coupling wheels, wherein the support frame is of an inverted L shape and is fixed on a vertical central line of a connecting line of two copper wire fixing devices, the lifting rod comprises a vertical section and a horizontal section, the lifting rod is fixed on the horizontal section of the support frame in an axial vertical direction, the axis of the lifting rod is located above the middle point of the connecting line of the copper wire fixing devices, the pressing line coupling wheels are connected to the lower end of the lifting rod, the lifting rod comprises two round wheels with V-shaped grooves in the circumferential surfaces, the round wheels are parallel to each other, and the circumferential surfaces are axially aligned.
The beneficial effect of adopting above-mentioned technical scheme is: the bending life test of copper wire among the prior art has fully been considered and has generally carried out indirect test through tensile strength test instrument, the fatigue life problem that the crooked bending of unable true reflection brought, introduce lift bending apparatus, lift bending apparatus is at the up-and-down reciprocating motion in-process, the line ball coupling homoenergetic is crooked to the copper wire on two journey directions, furthest embodies the actual bending condition of copper wire, its experimental data can truly reflect the bending life at the state of repeated bending copper wire, this testing arrangement simple structure simultaneously, the adjustment is convenient, practical cost is low.
As a further improvement, the vertical section of support frame divide into vertical canned paragraph and vertical lift section, the support frame still includes lift adjustment knob, lift adjustment knob establishes on the vertical canned paragraph.
The beneficial effect of adopting above-mentioned technical scheme is: the support frame possesses liftable function, helps adjusting the initial position of line ball pair wheel and the upper and lower distance of copper line.
As the utility model discloses a further improvement again, the lifter is electric lift pole, electric lift pole contains the frequency conversion module that is used for adjusting the slew rate.
The beneficial effect of adopting above-mentioned technical scheme is: the frequency conversion module is arranged, so that the lifting speed of the lifting rod can be adjusted as required, and the test requirements under different working conditions can be met.
As the utility model discloses a further improvement, one-piece the V type recess bottom diameter of round wheel is less than the V type recess bottom diameter of circular slab.
The beneficial effect of adopting above-mentioned technical scheme is: the definition of the diameter of the round wheel of the pressing line pair wheel helps to concentrate the bending fatigue test section near the pressing line pair wheel, but not at the support points on both sides.
As a further improvement of the present invention, the support rod is a lifting support rod member with an adjustable height of the fixed disk.
The beneficial effect of adopting above-mentioned technical scheme is: the bracing piece possesses liftable function, helps according to experimental operating mode demand, adjusts the crooked degree of depth of copper line, and application scope is wider.
As a further improvement of the utility model, test platform still includes the slide rail, support the base pass through the slide rail with but test platform upper surface sliding connection.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of slide rail for the bracing piece has possessed the function that the horizontal direction removed, helps adjusting the distance of controlling the strong point, with the demand that adapts to different experimental operating modes, has further expanded testing arrangement's application scope.
As a further improvement, the middle part of the slide rail is provided with a middle knob, and the middle knob is connected with the supporting base through a straight rack respectively.
The beneficial effect of adopting above-mentioned technical scheme is: the middle knob and the straight rack are introduced into the middle of the slide rail, and the stability and the accuracy of tooth transmission are fully utilized, so that the copper wire fixing devices on the left side and the right side can be synchronously close to or far away from the lifting rod.
As a further improvement of the utility model, the testing device further comprises a recorder for recording the bending times of the copper wire.
The beneficial effect of adopting above-mentioned technical scheme is: the recorder is arranged to accurately record the bending times of the copper wire, more reliable data than manual technology are provided for the calculation of the bending fatigue life, and meanwhile, corresponding labor cost is saved.
As the utility model discloses a further improvement again, testing arrangement is still including being used for detecting the pressure sensor of copper wire at round wheel V type recess bottom surface pressure, two pressure sensor establishes respectively on two round wheels of line ball pair wheel.
The beneficial effect of adopting above-mentioned technical scheme is: the pressure sensor is introduced, so that the pressure received by the copper wire in different bending stages can be mastered in real time, and the copper wire is prevented from being broken due to overlarge pressure instead of bending fatigue, and the test result is influenced.
As a further improvement of the present invention, the testing device further includes an alarm for receiving the abnormal signal of the pressure sensor and giving an alarm.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the alarm can alarm when the pressure is too high so as to remind an operator to immediately eliminate the influence of the pressure on a test result.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view 1 of the testing device of the present invention.
Fig. 2 is a schematic view 2 of the testing device of the present invention.
Fig. 3 is a schematic view of the lifting and bending device a of the testing device of the present invention.
The corresponding part names indicated by the numbers in the figures are as follows:
Detailed Description
To facilitate understanding of the present invention, the present invention will be described more fully and specifically with reference to the accompanying drawings and preferred embodiments, but the scope of the present invention is not limited to the specific embodiments described below. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the utility model discloses a purpose, the utility model provides a technical scheme does:
in some embodiments of the present invention, as shown in fig. 1, a testing device for testing the bending life of a copper wire 01 comprises: the device comprises a test platform 1, a copper wire fixing device 2 and a lifting bending device 3, wherein the test platform 1 is arranged at the lowest end of a test operation bearing platform; the two copper wire fixing devices 2 are symmetrically arranged above the test platform 1, each single copper wire fixing device 2 comprises a supporting base 21, a supporting rod 22 and a fixing disc 23, the supporting base 21 is connected with the upper surface of the test platform 1, the lower end of the supporting rod 22 is fixedly connected with the supporting base 21, the upper end of the supporting rod 22 is detachably connected with the fixing disc 23, the fixing disc 23 comprises a circular plate 231 and a thread locking head 232, a V-shaped groove used for limiting the axial position of a copper wire 01 is formed in the circumferential surface of the circular plate 231, and a threaded hole for the thread locking head 232 to enter and exit is formed in the circumferential surface facing away from the other copper wire fixing device 2; lifting bending device 3, establish the top at test platform 1, it includes support frame 31, lifter 32 and line ball pair wheel 33, support frame 31 is the type of falling L, and fix on the perpendicular central line of two copper wire fixing device 2 lines, it contains vertical section and horizontal segment, lifter 32 fixes on the horizontal segment of support frame 31 with the vertical direction of axial, and its axis is located directly over the mid point of two copper wire fixing device 2 lines, line ball pair wheel 33 is connected at lifter 32 lower extreme, it contains two circumference surfaces and is equipped with round wheel 331 of V type recess, and two round wheel 331 are parallel with the axis, circumference surface axial alignment.
The beneficial effect of adopting above-mentioned technical scheme is: the bending life test of copper wire among the prior art has fully been considered and has generally carried out indirect test through tensile strength test instrument, the fatigue life problem that the crooked bending of unable true reflection brought, introduce lift bending apparatus, lift bending apparatus is at the up-and-down reciprocating motion in-process, the line ball coupling homoenergetic is crooked to the copper wire on two journey directions, furthest embodies the actual bending condition of copper wire, its experimental data can truly reflect the bending life at the state of repeated bending copper wire, this testing arrangement simple structure simultaneously, the adjustment is convenient, practical cost is low.
In other embodiments of the present invention, as shown in fig. 2-3, the vertical section of the supporting frame 31 is divided into a vertical fixing section and a vertical lifting section, the supporting frame 31 further includes a lifting adjusting knob 311, and the lifting adjusting knob 311 is disposed on the vertical fixing section.
The beneficial effect of adopting above-mentioned technical scheme is: the support frame possesses liftable function, helps adjusting the initial position of line ball pair wheel and the upper and lower distance of copper line.
In other embodiments of the present invention, as shown in fig. 2, the lifting rod 32 is an electric lifting rod, and the electric lifting rod includes a frequency conversion module for adjusting the lifting speed.
The beneficial effect of adopting above-mentioned technical scheme is: the frequency conversion module is arranged, so that the lifting speed of the lifting rod can be adjusted as required, and the test requirements under different working conditions can be met.
In other embodiments of the present invention, as shown in fig. 2, the V-groove bottom diameter of the single-piece round wheel 331 is smaller than the V-groove bottom diameter of the round plate 231.
The beneficial effect of adopting above-mentioned technical scheme is: the definition of the diameter of the round wheel of the pressing line pair wheel helps to concentrate the bending fatigue test section near the pressing line pair wheel, but not at the support points on both sides.
In other embodiments of the present invention, as shown in fig. 2, the support rod 22 is a lifting support rod capable of adjusting the height of the fixed disk.
The beneficial effect of adopting above-mentioned technical scheme is: the bracing piece possesses liftable function, helps according to experimental operating mode demand, adjusts the crooked degree of depth of copper line, and application scope is wider.
In other embodiments of the present invention, as shown in fig. 2, the testing platform 1 further includes a sliding rail 11, and the supporting base 21 is slidably connected to the upper surface of the testing platform 1 through the sliding rail 11.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of slide rail for the bracing piece has possessed the function that the horizontal direction removed, helps adjusting the distance of controlling the strong point, with the demand that adapts to different experimental operating modes, has further expanded testing arrangement's application scope.
In other embodiments of the present invention, as shown in fig. 2, a middle knob 111 is disposed in the middle of the slide rail 11, and the middle knob 111 is connected to the supporting base 21 through a spur rack 112.
The beneficial effect of adopting above-mentioned technical scheme is: the middle knob and the straight rack are introduced into the middle of the slide rail, and the stability and the accuracy of tooth transmission are fully utilized, so that the copper wire fixing devices on the left side and the right side can be synchronously close to or far away from the lifting rod.
In other embodiments of the present invention, as shown in fig. 3, the testing device further includes a recorder 4 for recording the bending times of the copper wire 01.
The beneficial effect of adopting above-mentioned technical scheme is: the recorder is arranged to accurately record the bending times of the copper wire, more reliable data than manual technology are provided for the calculation of the bending fatigue life, and meanwhile, corresponding labor cost is saved.
In other embodiments of the present invention, as shown in fig. 2, the testing device further includes a pressure sensor 5 for detecting the pressure of the copper wire 01 on the bottom surface of the V-shaped groove of the circular wheel, and the two pressure sensors 5 are respectively disposed on the two circular wheels 331 of the pressing line pair wheel.
The beneficial effect of adopting above-mentioned technical scheme is: the pressure sensor is introduced, so that the pressure received by the copper wire in different bending stages can be mastered in real time, and the copper wire is prevented from being broken due to overlarge pressure instead of bending fatigue, and the test result is influenced.
In other embodiments of the present invention, as shown in fig. 3, the testing device further includes an alarm 6 for receiving an abnormal signal from the pressure sensor 5 and giving an alarm.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the alarm can alarm when the pressure is too high so as to remind an operator to immediately eliminate the influence of the pressure on a test result.
The above embodiments are only for illustrating the technical conception and the features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.
Claims (10)
1. A test device for testing the bending life of a copper wire, comprising: test platform, copper wire fixing device and lift bending device, wherein
The test platform is arranged at the lowest end of the test operation bearing platform;
the test platform comprises a test platform, two copper wire fixing devices and a fixing disc, wherein the two copper wire fixing devices are symmetrically arranged above the test platform, a single copper wire fixing device comprises a supporting base, a supporting rod and a fixing disc, the supporting base is connected with the upper surface of the test platform, the lower end of the supporting rod is fixedly connected with the supporting base, the upper end of the supporting rod is detachably connected with the fixing disc, the fixing disc comprises a circular plate and a thread locking head, a V-shaped groove used for limiting the axial position of a copper wire is arranged on the circumferential surface of the circular plate, and a threaded hole for the thread locking head to enter and exit is formed in the circumferential surface back to the other copper wire fixing device;
the lifting bending device is arranged above the test platform and comprises a support frame, a lifting rod and two pressing line coupling wheels, wherein the support frame is of an inverted L shape and is fixed on a vertical central line of a connecting line of two copper wire fixing devices, the lifting rod comprises a vertical section and a horizontal section, the lifting rod is fixed on the horizontal section of the support frame in an axial vertical direction, the axis of the lifting rod is located above the middle point of the connecting line of the copper wire fixing devices, the pressing line coupling wheels are connected to the lower end of the lifting rod, the lifting rod comprises two round wheels with V-shaped grooves in the circumferential surfaces, the round wheels are parallel to each other, and the circumferential surfaces are axially aligned.
2. The testing device for testing the bending life of the copper wire as recited in claim 1, wherein the vertical section of the supporting frame is divided into a vertical fixing section and a vertical lifting section, and the supporting frame further comprises a lifting adjusting knob, and the lifting adjusting knob is arranged on the vertical fixing section.
3. The testing device for testing the bending life of the copper wire as recited in claim 2, wherein the lifting rod is a motorized lifting rod, and the motorized lifting rod comprises a variable frequency module for adjusting the lifting speed.
4. The test device for testing the bending life of the copper wire as recited in claim 3, wherein the V-shaped groove bottom diameter of the single round wheel is smaller than the V-shaped groove bottom diameter of the round plate.
5. The test device for testing the bending life of the copper wire as recited in claim 4, wherein the support rod is a lifting support rod capable of adjusting the height of the fixed disk.
6. The testing device for testing the bending life of the copper wire as defined in claim 5, wherein the testing platform further comprises a slide rail, and the supporting base is slidably connected with the upper surface of the testing platform through the slide rail.
7. The testing device for testing the bending life of the copper wire as defined in claim 6, wherein a middle knob is arranged in the middle of the slide rail, and the middle knob is respectively connected with the supporting base through a spur rack.
8. The test device for testing the bending life of the copper wire as recited in claim 7, wherein the test device further comprises a recorder for recording the bending times of the copper wire.
9. The test device for testing the bending life of the copper wire as recited in claim 8, wherein the test device further comprises pressure sensors for detecting the pressure of the copper wire on the bottom surfaces of the V-shaped grooves of the round wheels, and the two pressure sensors are respectively arranged on the two round wheels of the pair of pressing lines.
10. The test device for testing the bending life of the copper wire according to claim 9, wherein the test device further comprises an alarm for receiving the abnormal signal of the pressure sensor and giving an alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985079.9U CN212539926U (en) | 2020-06-02 | 2020-06-02 | Testing device for testing bending life of copper wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020985079.9U CN212539926U (en) | 2020-06-02 | 2020-06-02 | Testing device for testing bending life of copper wire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212539926U true CN212539926U (en) | 2021-02-12 |
Family
ID=74638329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020985079.9U Active CN212539926U (en) | 2020-06-02 | 2020-06-02 | Testing device for testing bending life of copper wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212539926U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092281A (en) * | 2021-03-29 | 2021-07-09 | 上海南洋-藤仓电缆有限公司 | Flat elevator traveling cable service life accelerated evaluation test method |
| CN114002080A (en) * | 2021-11-16 | 2022-02-01 | 西南交通大学 | Elastic sling fatigue test device and method |
-
2020
- 2020-06-02 CN CN202020985079.9U patent/CN212539926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113092281A (en) * | 2021-03-29 | 2021-07-09 | 上海南洋-藤仓电缆有限公司 | Flat elevator traveling cable service life accelerated evaluation test method |
| CN114002080A (en) * | 2021-11-16 | 2022-02-01 | 西南交通大学 | Elastic sling fatigue test device and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212539926U (en) | Testing device for testing bending life of copper wire | |
| CN111624098A (en) | Optical fiber connector tension and lens bonding thrust test tool and application thereof | |
| CN110646298B (en) | Bending and twisting integrated testing machine for post insulator | |
| CN113484151B (en) | Wire rod testing machine with wire rod processing function | |
| CN210936616U (en) | Steel pipe bending device driving device | |
| CN213021360U (en) | Testing device for structural height of suspension porcelain and glass insulator | |
| CN214186971U (en) | Mounting device for bonding optical fiber probe | |
| CN211164740U (en) | Multifunctional device of loop cutting head | |
| CN210890696U (en) | Fixing device for clinical examination analytical instrument | |
| CN216386073U (en) | Clamping force measuring device of rope clip | |
| CN217442996U (en) | Novel powder direct shear apparatus | |
| CN212674639U (en) | Material tensile tester for RF connector | |
| CN219152809U (en) | Fixing device is used in sensor production | |
| CN212674672U (en) | Environment-friendly ultraviolet ray radiation cable bending-resistant equipment | |
| CN218823552U (en) | Full-automatic single-yarn strength device | |
| CN216410004U (en) | Communication engineering wiring measuring tool | |
| CN209961645U (en) | Mortar setting time tester | |
| CN220960628U (en) | Swing test device for steering intermediate shaft universal joint | |
| CN216957585U (en) | Integral predeformation device | |
| CN217384954U (en) | Multi-station coil spring torsion test stand | |
| CN212821855U (en) | Auxiliary holding device for small-diameter steel bar dotting | |
| CN214150416U (en) | Easy-to-replace high-strength protection sample clamp for spectrum analyzer | |
| CN219038600U (en) | Shear force testing device for single-fiber-to-multi-fiber connection structure | |
| CN220642394U (en) | New energy automobile overhauls equipment elevating gear | |
| CN213260027U (en) | Automatic product pressing machine for guitar fingerboard |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |