CN109580068B - Wire and cable tension testing equipment and tension testing method - Google Patents
Wire and cable tension testing equipment and tension testing method Download PDFInfo
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- CN109580068B CN109580068B CN201910069339.XA CN201910069339A CN109580068B CN 109580068 B CN109580068 B CN 109580068B CN 201910069339 A CN201910069339 A CN 201910069339A CN 109580068 B CN109580068 B CN 109580068B
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- 238000012360 testing method Methods 0.000 title claims abstract description 27
- 238000004804 winding Methods 0.000 claims abstract description 47
- 239000006247 magnetic powder Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 239000003638 chemical reducing agent Substances 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000009864 tensile test Methods 0.000 claims description 3
- 230000009191 jumping Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000010998 test method Methods 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 description 13
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
- G01L5/04—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring tension in flexible members, e.g. ropes, cables, wires, threads, belts or bands
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The invention discloses wire and cable tension testing equipment, which comprises a wire passing frame, wherein a wire passing wheel is arranged on the wire passing frame, wire receiving and paying-off devices are arranged on two sides of the wire passing frame, each wire receiving and paying-off device comprises a wire receiving and paying-off frame, the wire receiving and paying-off frame is matched with a clamping wire coil through a fixed end and a movable end, and the fixed end is connected with a wire receiving power part through a torsion meter; and the tension test method is used for controlling the winding torsion in real time through the torsion meter so as to achieve the tension test effect. The invention can test the tension of the wires and the cables while winding and unwinding, and test the tension of the whole wire and the cable, thereby saving the cost of raw materials, labor, test precision and the like.
Description
Technical Field
The invention relates to the field of wire and cable manufacturing equipment, in particular to wire and cable tension testing equipment and a tension testing method.
Background
The electric wires and cables are used as main carriers for power transmission and are widely applied to the aspects of electrical equipment, lighting circuits, household appliances and the like, and the quality of the electric wires and cables directly affects the engineering quality and the life and property safety of consumers;
when the cable is used for families and individuals, proper electric wires are adopted by considering the power load of the cable, and when the cable is used for engineering, the cable has larger requirements on the tension of the cable due to factors such as the laying length, the laying environment and the like, so that the use requirement is met, and the construction quality and the use stability are ensured.
The tension of the wire and the cable is tested in the current market, only one end of one section of the wire and the cable is simply fixed, and the other end is connected with a tension meter to be tested in a straight line or vertically.
Disclosure of Invention
The invention aims to solve the technical problem of providing the wire and cable tension testing equipment and the tension testing method, which can test the tension of the wire and the cable while winding and unwinding, and test the tension of the whole wire and the cable, thereby saving the cost of raw materials, labor, testing precision and the like.
In order to solve the technical problems, the invention provides wire and cable tension testing equipment which comprises a wire passing frame, wherein wire passing wheels are arranged on the wire passing frame, wire receiving and paying-off devices are arranged on two sides of the wire passing frame, each wire receiving and paying-off device comprises a wire receiving and paying-off frame, the wire receiving and paying-off frame is matched with a clamping wire coil through a fixed end and a movable end, and the fixed end is connected with a wire receiving power part through a torsion meter.
Further, a wire arranging device is arranged between the wire winding and unwinding device and the wire passing frame.
Further, the wire arranging device comprises a ball screw, one end of the ball screw is connected with the servo motor through a precision speed reducer, a wire arranging support is arranged on a sliding block of the ball screw, and a plurality of wire arranging rollers are arranged on the wire arranging support in a matched mode.
Further, the wire winding power part comprises a transmission motor, a magnetic powder brake and a reduction gearbox which are sequentially connected, and an output shaft of the reduction gearbox is connected with the torsion meter.
Further, couplings are arranged between the transmission motor and the magnetic powder brake, between the magnetic powder brake and the reduction gearbox, between the reduction gearbox and the torsion meter and between the torsion meter and the fixed end, and a brake disc is further arranged on the fixed end and is connected with the brake in a matched mode.
Further, the number of the wire passing frames is 2.
Further, two the coiling and uncoiling device is arranged on the corresponding mounting platform, a connecting part is arranged between the two mounting platforms, and a coil loading slope is further arranged on the mounting platform.
A tensile force test method comprises any tensile force test equipment;
the method comprises the following steps:
step 1) respectively installing a first wire coil and a second wire coil into two winding and unwinding devices, wherein the first wire coil is wound with wires and cables, and the second wire coil is an empty wire coil;
step 2) setting torsion parameters in two coiling and uncoiling devices;
step 3) the wire winding and unwinding device on one side of the second wire coil acts to wind wires and compares the wires with the torsion parameters in real time according to the numerical value of the torsion meter, when the numerical value of the torsion meter is larger than the torsion parameters, the wire winding and unwinding device operates in a decelerating mode, and when the numerical value of the torsion meter is larger than the torsion parameters, the wire winding and unwinding device operates in an accelerating mode;
step 4) after the second wire coil is fully wound, stopping the action of the wire winding and unwinding device on one side of the second wire coil, winding and unwinding by the action of the wire winding and unwinding device on one side of the first wire coil, comparing the value of the torsion meter with the torsion parameter in real time, and when the value of the torsion meter is larger than the torsion parameter, the wire winding and unwinding device runs in a decelerating mode, and when the value of the torsion meter is larger than the torsion parameter, the wire winding and unwinding device runs in an accelerating mode;
and 5) stopping the action of the wire winding and unwinding device at one side of the first wire reel after the first wire reel is fully wound, and jumping to the step 3) until the test is finished.
The invention has the beneficial effects that:
the two coiling and uncoiling devices are matched, coiling and uncoiling operations can be carried out on the electric wires and the electric cables, tension adjustment can be effectively realized through speed control during coiling, and the purpose of tension testing is achieved.
Because two receive unwrapping wire wares all have the function of receiving line and unwrapping wire, consequently can realize reciprocating test, effectively improve detection efficiency to practice thrift the cost of labor.
And the whole disc detection does not need to cut off wires and cables, does not damage detection raw materials, can be used after the detection is qualified, and reduces the detection cost.
Drawings
FIG. 1 is a schematic side elevational view of the present invention;
FIG. 2 is a schematic elevational view of the present invention;
fig. 3 is a schematic top view of a portion of the structure of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific examples, which are not intended to be limiting, so that those skilled in the art will better understand the invention and practice it.
Referring to fig. 1 to 3, an embodiment of the wire and cable tensile testing device of the present invention includes a wire passing frame 14, on which a wire passing wheel 1 is disposed, two sides of the wire passing frame are respectively provided with a wire winding and unwinding device 2, the wire winding and unwinding device includes a wire winding and unwinding frame 3, the wire winding and unwinding frame is clamped to a wire coil 6 by matching a fixed end 4 and a movable end 5, and the fixed end is connected to a wire winding power portion 8 by a torsion meter 7. When the wire winding device is used, the clamping wire coil is placed between the fixed end and the movable end and clamped and fixed, the fixed end is driven to rotate by the wire winding power part, force generated during rotation can be detected by the torsion meter and fed back with torsion data, and a tension value can be obtained through torsion, so that the detection effect is achieved.
The specific tension test method adopting the tension detection equipment comprises the following steps:
firstly, two wire coils (a first wire coil and a second wire coil) are respectively installed in two coiling and uncoiling devices, wherein one wire coil is coiled with wires and cables, and the other wire coil is an empty wire coil;
torsion parameters are set for torsion meters in the two coiling and uncoiling devices, and the setting parameters of the two torsion meters are consistent under the general condition;
the wire and cable are pulled out from the wire coil, then pass through the wire passing wheel on the wire frame and are fixed on another wire coil, at the moment, the wire coil is an empty wire coil, the wire coil is wound by the action of the winding and unwinding device connected with the wire coil and is compared with the torsion parameter in real time according to the numerical value of the torsion meter, when the numerical value of the torsion meter is greater than the torsion parameter, the winding and unwinding device is operated in a decelerating way, and when the numerical value of the torsion meter is greater than the torsion parameter, the winding and unwinding device is operated in an accelerating way so as to ensure that the tension value of the tension test is stable; when the wire coil is fully wound, the wire coil which is originally fully wound is an empty wire coil, and the detection steps are repeated, so that the online reciprocating detection is realized, and the rapid and stable detection effect is achieved until the test is finished.
The wire arranging device 9 is further arranged between the wire winding and unwinding device and the wire passing frame, so that when the wire is wound, the wire and the cable are tidied and wound, the next discharging is facilitated, and the detection stability is guaranteed. Specifically, the winding displacement ware includes ball screw 10, and ball screw one end is connected with servo motor 12 through accurate speed reducer 11, is provided with winding displacement support 13 on ball screw's the sliding block, and the cooperation is provided with a plurality of winding displacement rollers on the winding displacement support, guarantees the precision of winding displacement position through accurate speed reducer, and ball screw and servo motor further improve the precision.
The line power portion of receiving includes drive motor 15, magnetic powder brake 16 and the reducing gear box 17 that connect gradually, and the output shaft and the torsion meter of reducing gear box are connected, and drive motor passes through magnetic powder brake output, effectively guarantees the stability of output, guarantees the quality after the detection of wire and cable, also guarantees the stability of torsion. The coupling 18 is arranged between the transmission motor and the magnetic powder brake, between the magnetic powder brake and the reduction gearbox, between the reduction gearbox and the torsion meter and between the torsion meter and the fixed end, the output is direct and reliable, the detection precision is improved, the brake disc 19 is further arranged on the fixed end, the brake disc is connected with the brake in a matched manner, and the effect of rapidly stopping braking is achieved after the whole disc is tested or in an emergency, and the safety is improved.
The number of the wire passing frames is 2, the included angle of the wires and the cables is increased, the bending radius is not too small, and damage to the wires and the cables is effectively reduced. The two coiling and uncoiling devices are arranged on the corresponding mounting platforms 20, and the connecting parts are arranged between the two mounting platforms, so that the coiling and uncoiling devices are convenient to prepare and assemble, can be symmetrically arranged, and achieve the purposes of compact structure, high repeated preparation efficiency and good effect; and an upper disc slope 21 is also arranged on the mounting platform, so that the wire coil feeding is facilitated.
The above embodiments are merely preferred embodiments for fully explaining the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutions and modifications will occur to those skilled in the art based on the present invention, and are intended to be within the scope of the present invention. The protection scope of the invention is subject to the claims.
Claims (4)
1. The wire and cable tension testing equipment is characterized by comprising a wire passing frame, wherein a wire passing wheel is arranged on the wire passing frame, wire winding and unwinding devices are arranged on two sides of the wire passing frame, each wire winding and unwinding device comprises a wire winding and unwinding frame, the wire winding and unwinding frame is matched with a clamping wire coil through a fixed end and a movable end, and the fixed end is connected with a wire winding power part through a torsion meter;
a wire arranging device is arranged between the wire winding and unwinding device and the wire passing frame;
the wire arranging device comprises a ball screw, one end of the ball screw is connected with a servo motor through a precision speed reducer, a wire arranging support is arranged on a sliding block of the ball screw, and a plurality of wire arranging rollers are arranged on the wire arranging support in a matched mode;
the wire-rewinding power part comprises a transmission motor, a magnetic powder brake and a reduction gearbox which are sequentially connected, and an output shaft of the reduction gearbox is connected with a torsion meter;
couplings are arranged between the transmission motor and the magnetic powder brake, between the magnetic powder brake and the reduction gearbox, between the reduction gearbox and the torsion meter and between the torsion meter and the fixed end, and a brake disc is also arranged on the fixed end and is connected with the brake in a matched mode.
2. The wire and cable tension testing apparatus of claim 1, wherein the number of wire passing frames is 2.
3. The wire and cable tension test apparatus of claim 1, wherein both of the wire and cable retractors are disposed on corresponding mounting platforms, a connection portion is disposed between the two mounting platforms, and a coil-on slope is further disposed on the mounting platform.
4. A tensile testing method, characterized by comprising the tensile testing apparatus according to any one of claims 1 to 3;
the method comprises the following steps:
step 1) respectively installing a first wire coil and a second wire coil into two winding and unwinding devices, wherein the first wire coil is wound with wires and cables, and the second wire coil is an empty wire coil;
step 2) setting torsion parameters in two coiling and uncoiling devices;
step 3) the wire winding and unwinding device on one side of the second wire coil acts to wind wires and compares the wires with the torsion parameters in real time according to the numerical value of the torsion meter, when the numerical value of the torsion meter is larger than the torsion parameters, the wire winding and unwinding device operates in a decelerating mode, and when the numerical value of the torsion meter is smaller than the torsion parameters, the wire winding and unwinding device operates in an accelerating mode;
step 4) after the second wire coil is fully wound, stopping the action of the wire winding and unwinding device at one side of the second wire coil, winding and unwinding by the action of the wire winding and unwinding device at one side of the first wire coil, comparing the value of the torsion meter with the torsion parameter in real time, and when the value of the torsion meter is larger than the torsion parameter, the wire winding and unwinding device runs in a decelerating mode, and when the value of the torsion meter is smaller than the torsion parameter, the wire winding and unwinding device runs in an accelerating mode;
and 5) stopping the action of the wire winding and unwinding device at one side of the first wire reel after the first wire reel is fully wound, and jumping to the step 3) until the test is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069339.XA CN109580068B (en) | 2019-01-24 | 2019-01-24 | Wire and cable tension testing equipment and tension testing method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069339.XA CN109580068B (en) | 2019-01-24 | 2019-01-24 | Wire and cable tension testing equipment and tension testing method |
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| Publication Number | Publication Date |
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| CN109580068A CN109580068A (en) | 2019-04-05 |
| CN109580068B true CN109580068B (en) | 2023-12-15 |
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| CN201910069339.XA Active CN109580068B (en) | 2019-01-24 | 2019-01-24 | Wire and cable tension testing equipment and tension testing method |
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| CN116481924B (en) * | 2023-06-21 | 2023-09-19 | 成都四威科技股份有限公司 | Wire and cable tension testing equipment and testing method thereof |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19901831A1 (en) * | 1998-08-18 | 2000-07-20 | Barmag Barmer Maschf | Yarn tension monitor has two monitor beams clamped at one end with the yarn passing partially round their free ends in opposite directions with sensors to register the beam bending to give signals to register the yarn tension |
| CN102980707A (en) * | 2012-12-22 | 2013-03-20 | 山东大学 | Experiment table for belt driven effective tension testing |
| JP2014084210A (en) * | 2012-10-25 | 2014-05-12 | Hitachi Ltd | Apparatus and method for inspecting rope tension of elevator |
| CN203688124U (en) * | 2013-12-25 | 2014-07-02 | 深圳市恒宝通光电子股份有限公司 | Tension testing device of optical cable product |
| JP2016013906A (en) * | 2014-07-03 | 2016-01-28 | 三菱電機株式会社 | Cable winding and delivery control device |
| CN205175598U (en) * | 2015-07-16 | 2016-04-20 | 张家港市东航机械有限公司 | Electricity plate wire tension detecting means |
| CN206269951U (en) * | 2016-09-18 | 2017-06-20 | 特变电工超高压电气有限公司 | The tension force measuring device of wire in transformer coil |
| CN207318252U (en) * | 2017-09-11 | 2018-05-04 | 陕西美星恒祺新能源科技有限公司 | A kind of electric wire device for testing tensile force |
| CN209230853U (en) * | 2019-01-24 | 2019-08-09 | 昆山市富川机电科技有限公司 | A kind of wire and cable tensile test equipment |
-
2019
- 2019-01-24 CN CN201910069339.XA patent/CN109580068B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19901831A1 (en) * | 1998-08-18 | 2000-07-20 | Barmag Barmer Maschf | Yarn tension monitor has two monitor beams clamped at one end with the yarn passing partially round their free ends in opposite directions with sensors to register the beam bending to give signals to register the yarn tension |
| JP2014084210A (en) * | 2012-10-25 | 2014-05-12 | Hitachi Ltd | Apparatus and method for inspecting rope tension of elevator |
| CN102980707A (en) * | 2012-12-22 | 2013-03-20 | 山东大学 | Experiment table for belt driven effective tension testing |
| CN203688124U (en) * | 2013-12-25 | 2014-07-02 | 深圳市恒宝通光电子股份有限公司 | Tension testing device of optical cable product |
| JP2016013906A (en) * | 2014-07-03 | 2016-01-28 | 三菱電機株式会社 | Cable winding and delivery control device |
| CN205175598U (en) * | 2015-07-16 | 2016-04-20 | 张家港市东航机械有限公司 | Electricity plate wire tension detecting means |
| CN206269951U (en) * | 2016-09-18 | 2017-06-20 | 特变电工超高压电气有限公司 | The tension force measuring device of wire in transformer coil |
| CN207318252U (en) * | 2017-09-11 | 2018-05-04 | 陕西美星恒祺新能源科技有限公司 | A kind of electric wire device for testing tensile force |
| CN209230853U (en) * | 2019-01-24 | 2019-08-09 | 昆山市富川机电科技有限公司 | A kind of wire and cable tensile test equipment |
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| CN109580068A (en) | 2019-04-05 |
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