CN209820970U - Test equipment for testing torsion performance of metal wire - Google Patents
Test equipment for testing torsion performance of metal wire Download PDFInfo
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- CN209820970U CN209820970U CN201920615375.7U CN201920615375U CN209820970U CN 209820970 U CN209820970 U CN 209820970U CN 201920615375 U CN201920615375 U CN 201920615375U CN 209820970 U CN209820970 U CN 209820970U
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- 238000012360 testing method Methods 0.000 title claims abstract description 61
- 239000002184 metal Substances 0.000 title claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 230000002457 bidirectional effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000013519 translation Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims 1
- 238000011056 performance test Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 43
- 239000010959 steel Substances 0.000 abstract description 43
- 230000000704 physical effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 8
- 230000005484 gravity Effects 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model discloses a test equipment of test metal wire torsion performance relates to metal wire physical properties test device's technical field. This test equipment includes the equipment base, sits at the stiff end chuck of equipment base left end, installs the drive end chuck on the rolling guide who is located the equipment base top surface, its characterized in that: a loading device is arranged above the left top of the equipment base, and a buffer with a limit switch arranged inside is arranged between the loading device and the fixed end chuck; the loading device is composed of a fixed pulley arranged on the support, a balancing stand fixedly hinged on the fixed pulley, a balance weight gyroscope hung on the outer end side of the balancing stand in a cantilever mode through a vertical line and a set of balancing weights. The utility model discloses can carry out accurate test to the torsional properties of multiple specification steel wire, have that application scope is wide, loading force is stable, the test accuracy is high, easy operation, advantage safe in utilization.
Description
Technical Field
The utility model relates to a metal wire physical properties test device's technical field, more specifically say a test equipment of test metal wire torsional properties.
Background
With the continuous progress of scientific technology and the continuous promotion of bridge construction level, China has built a batch of world-known large-span suspension bridges and cable-stayed bridges: for example, the span of nan Sha bridge, Shanghai Chang Jiang bridge, Sihong bridge, etc. is over 1000 m. However, with the rapid development of the world economy and the acceleration of the global process, the demand on traffic is continuously and rapidly increased, higher requirements are also put forward on the cable of the bridge, the cable steel wire is used as a main stress unit of the large-span bridge, the higher requirements are put forward on the service performance of the cable steel wire while the high strength of the cable steel wire is required, and the torsion performance can be used as an important index for measuring the service performance of the steel wire, so that the test equipment for testing the torsion performance of the metal wire is also paid much attention. At present, a common torsion testing machine in the market is a semi-manual semi-mechanical testing device, and has the following defects: the distance between the fixed end chuck and the torsion chuck is limited (generally not more than 600 mm), the torsion test requirement of a large-diameter steel wire 100D (D is the nominal diameter of the steel wire) cannot be met, and the application range is small; meanwhile, the traditional loading mode is that loading is carried out by means of an extremely simple loading device through manpower, the loading force is not constant, and the problem that the experimental accuracy is low due to large human interference factors in the test process is solved.
Disclosure of Invention
The utility model aims at providing a test equipment of test wire rod torsional properties just to the weak point that exists among the above-mentioned prior art. The utility model discloses can carry out accurate test to the torsional properties of multiple specification steel wire, have that application scope is wide, loading force is stable, the test accuracy is high, easy operation, advantage safe in utilization.
The purpose of the utility model can be realized by the following technical measures:
the utility model discloses a test device for testing the torsion performance of metal wires, which comprises a device base, a fixed end chuck which is arranged at the left end of the device base, and a drive end chuck which is arranged on a rolling guide rail which is arranged at the top surface of the device base; a loading device is arranged above the left top of the equipment base, and a buffer with a limit switch arranged therein is arranged between the loading device and the fixed end chuck (in the process of a torsion test, after a steel wire sample is broken, the buffer can slow down impact and the moving speed of the fixed end chuck, so that the fixed end chuck is stably decelerated to a stop state); the loading device is composed of a fixed pulley arranged on a support, a balance frame fixedly hinged on the fixed pulley, a balance weight gyroscope hung on the outer end side of the balance frame in a cantilever mode through a vertical line and a set of balancing weights (by utilizing a moment balance principle that a dynamic moment is equal to a resisting moment, the ratio of a loading force value of the loading device and the ratio of the moment are in an inverse proportion relation, for example, the ratio of the designed distance of the axis of the fixed pulley and the radius of the fixed pulley is 10:1, and the ratio of the loading force on a steel wire and the gravity of the balancing weights is 10:1, so that the adjustment of the loading force of 10 kg-200 kg can be realized by configuring different balancing weights, and the adjustment is flexible, the application range is wide, the test is accurate.
The utility model discloses in one side end processing of fixed pulley has the slot, and the other side is cylinder section structure (the slot is used for the coiling to carry out torsion test's steel wire; the cylinder section is used for suit and fixed welding balancing stand, and the balancing stand just can rotate together with the fixed pulley like this).
The utility model discloses in the right side of buffer is extended the end and is laminated mutually below the left side of stiff end chuck (after torsion test in-process steel wire sample fracture, the extrusion promotion buffer below the left side of stiff end chuck can be steadily slowed down to the stop state together).
The utility model discloses in the drive end chuck twists reverse with the inverter motor electricity is connected (inverter motor can realize 0.5 ~ 30 r/min's rotational speed regulation, can twist reverse with the rotational speed of difference in order to drive end chuck and steel wire), the translation of drive end chuck is driven through two-way motor (can drive the drive end chuck along rolling guide left or backward movement through two-way motor's positive and negative rotation, and then adjust the distance between drive end chuck and the stiff end chuck, with the needs that satisfy the steel wire survey torsional properties of multiple specification, adjusting distance between two chucks can be at 100mm ~ 1100mm, can satisfy the diameter and reach the torsion test of 11mm steel wire 100D scale distance, application scope is wide).
The utility model discloses well equipment base is located the stiff end chuck place section and installs the protection casing (in the torsion test process, in the twinkling of an eye when the fracture of steel wire sample, the protection casing can prevent that the broken end of steel wire of stiff end chuck end from getting rid of the staff on every side of hindering).
The working principle of the utility model is as follows:
the utility model discloses can carry out accurate test to the torsional properties of multiple specification steel wire, have that application scope is wide, loading force is stable, the test accuracy is high, easy operation, advantage safe in utilization. Specifically speaking: the utility model discloses increased one set of loading device, utilized the moment of force to equal the moment of resistance principle, loading device's loading force value's ratio and the ratio of moment become the inverse relation: for example, the ratio of the designed distance of the axis of the fixed pulley to the radius of the fixed pulley is 10:1, and the ratio of the loading force on the steel wire to the gravity of the balancing weight is 10:1, so that the adjustment of the loading force of 10 kg-200 kg can be realized by configuring different balancing weights, the adjustment is flexible, the application range is wide, the test is accurate, the operation is simple, meanwhile, the influence of human factors on the test result is avoided, the loading force is stable, and the test accuracy is high. Moreover, the torsion of the chuck at the middle driving end of the utility model is driven by the variable frequency motor, the variable frequency motor can realize the rotation speed adjustment of 0.5-30 r/min, and can drive the chuck at the driving end and the steel wire to be twisted at different rotation speeds; the driving end chuck can move leftwards or backwards along the rolling guide rail through the driving of the bidirectional motor, the distance between the driving end chuck and the fixed end chuck is adjusted to be 100-1100 mm, the torsion test of a steel wire 100D gauge length with the diameter reaching 11mm can be met, and the application range is wide. Furthermore, the utility model discloses a buffer can guarantee after steel wire sample fracture that the stiff end chuck steadily slows down to the stop state, the utility model discloses a protection casing can avoid at the cracked steel wire broken end in the twinkling of an eye of steel wire sample get rid of the staff on every side of hindering, consequently the utility model has the advantages of safe in utilization.
The utility model has the advantages of as follows:
the utility model discloses can carry out accurate test to the torsional properties of multiple specification steel wire, have that application scope is wide, loading force is stable, the test accuracy is high, easy operation, advantage safe in utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a front view of the loading device of the present invention.
Fig. 3 is a top view of fig. 2.
The sequence numbers in the figure illustrate: 1. the device comprises a device base, 2, a fixed end chuck, 3, a buffer, 4, a limit switch, 5, a loading device, 5-1, a support, 5-2, a fixed pulley, 5-3, a balance frame, 5-4, a vertical line, 5-5, a balance weight gyroscope, 6, a drive end chuck, 7, a rolling guide rail, 8, a protective cover, 9 and a steel wire sample.
Detailed Description
The utility model is further described with the following figures:
as shown in fig. 1 to 3: the utility model discloses a test device for testing the twisting performance of metal wires, which comprises a device base (1), a fixed end chuck (2) which is arranged at the left end of the device base, and a drive end chuck (6) which is arranged on a rolling guide rail (7) which is arranged at the top surface of the device base (1); a loading device (5) is arranged above the left top of the equipment base (1), and a buffer (3) with a limit switch (4) arranged therein is arranged between the loading device (5) and the fixed end chuck (2) (in the torsion test process, after a steel wire sample (9) is broken, the buffer (3) can slow down impact and the moving speed of the fixed end chuck (2), so that the fixed end chuck (2) is stably decelerated to a stop state); the loading device (5) is composed of a fixed pulley (5-2) arranged on a support (5-1), a balance frame (5-3) fixedly hinged on the fixed pulley (5-2), a balance weight gyroscope (5-5) hung on the outer end side of the balance frame (5-3) in a cantilever mode through a vertical line (5-4) and a set of balance weights (by utilizing a moment balance principle that a dynamic moment is equal to a resisting moment, the ratio of loading force values of the loading device and the moment ratio are in an inverse proportion relation, for example, the ratio of the distance of the axis of the fixed pulley to the radius of the fixed pulley is 10:1, the ratio of the loading force on a steel wire and the gravity of the balance weights is 10:1, so that the adjustment of the loading force of 10 kg-200 kg can be realized by configuring different balance weights, and the adjustment is flexible, wide in application range, accurate in test and simple in operation.
In the utility model, a groove is processed at one side end of the fixed pulley (5-2), and the other side end is a cylindrical section structure (the groove is used for winding a steel wire for torsion test, and the cylindrical section is used for sleeving and fixing the welding balancing stand (5-3), so that the balancing stand (5-3) can rotate together with the fixed pulley (5-2).
The utility model discloses in the right side of buffer (3) is extended the end and is laminated mutually with the left side below of stiff end chuck (2) (after torsion test in-process steel wire sample (9) fracture, the left side below extrusion of stiff end chuck (2) promotes buffer (3), can steadily slow down to the stop state together).
The utility model discloses in drive end chuck (6) is connected with the inverter motor electricity and is twisted reverse (inverter motor can realize 0.5 ~ 30 r/min's rotational speed regulation, can twist reverse with the rotational speed of difference in order to drive end chuck (6) and steel wire), the translation of drive end chuck (6) is driven (can drive end chuck (6) along rolling guide (7) or backward movement through the positive and negative rotation of two-way motor, and then adjust the distance between drive end chuck (6) and stiff end chuck (2), with the needs that satisfy the steel wire survey torsional properties of multiple specification, adjusting distance between two chucks can be at 100mm ~ 1100mm, can satisfy the diameter and reach the torsion test of 11mm steel wire 100D scale distance, application scope is wide.
The utility model discloses well equipment base (1) in lie in stiff end chuck (2) place section and install protection casing (8) (in the torsion test in-process, in the cracked moment of steel wire sample (9), protection casing (8) can prevent that the broken end of steel wire of stiff end chuck (2) end from getting rid of the staff on every side of hindering.
The utility model discloses a concrete in service behavior as follows:
before the torsion test is started, the steel wire sample (9) to be tested is straightened according to the requirement, and marking marks are made. Then, starting a power supply of the test equipment, fixing one end of the steel wire sample (9) on the fixed pulley, and penetrating and clamping the steel wire sample from the chuck at the fixed end; then, starting a bidirectional motor to drive a drive end chuck (6) to move leftwards to a proper position and fix the other end of the clasping steel wire; then, the rotation direction of the bidirectional motor is changed, the driving end chuck (6) is controlled to move rightwards, the fixed end chuck (2) is driven to move rightwards along the rolling guide rail (7) through the steel wire sample (9), meanwhile, the loading device (5) is pulled to rotate clockwise until the balance frame (5-3) is in a horizontal state, and the bidirectional motor is turned off; and selecting a proper balancing weight according to the strength value of the steel wire sample (9), placing the balancing weight on the balance weight gyroscope (5-5), pulling up the equipment protective cover (8) to perform a torsion test, and finishing the torsion test when the torsion test is finished or the steel wire sample (9) is broken. Thus, according to the moment balance principle, the kinetic moment is equal to the resistive moment, and it can be known that: the ratio of the loading force values of the loading device (5) is in inverse proportion to the ratio of the moment, namely if the ratio of the distance of the axis of the designed fixed pulley (5-2) to the radius of the fixed pulley (5-2) is 10:1, the ratio of the loading force on the steel wire sample (9) to the gravity of the balancing weight is 10:1, so that the adjustment of the loading force of 10 kg-200 kg can be realized by configuring different balancing weights, the flexible adjustment of the loading force can be easily realized, the operation is convenient, and the applicability is strong.
Claims (5)
1. The utility model provides a test metal wire material performance test equipment that twists reverse, includes equipment base (1), sits and puts in stiff end chuck (2) of equipment base left end, installs drive end chuck (6) on rolling guide (7) that are located equipment base (1) top surface, its characterized in that: a loading device (5) is arranged above the left top of the equipment base (1), and a buffer (3) with a limit switch (4) arranged therein is arranged between the loading device (5) and the fixed end chuck (2); the loading device (5) is composed of a fixed pulley (5-2) arranged on a support (5-1), a balance frame (5-3) fixedly hinged on the fixed pulley (5-2), a balance weight gyroscope (5-5) hung on the outer end side of the balance frame (5-3) in a cantilever mode through a vertical line (5-4) and a set of balance weight blocks.
2. The test equipment for testing the torsional property of the metal wire according to claim 1, wherein: one side end of the fixed pulley (5-2) is provided with a groove, and the other side end is of a cylindrical section structure.
3. The test equipment for testing the torsional property of the metal wire according to claim 1, wherein: the right extension end of the buffer (3) is attached to the left lower side of the fixed end chuck (2).
4. The test equipment for testing the torsional property of the metal wire according to claim 1, wherein: the driving end chuck (6) is electrically connected with the variable frequency motor for torsion, and the translation of the driving end chuck (6) is driven by the bidirectional motor.
5. The test equipment for testing the torsional property of the metal wire according to claim 1, wherein: the protective cover (8) is arranged at the section, where the fixed end chuck (2) is located, of the equipment base (1).
Priority Applications (1)
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CN201920615375.7U CN209820970U (en) | 2019-04-30 | 2019-04-30 | Test equipment for testing torsion performance of metal wire |
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CN201920615375.7U CN209820970U (en) | 2019-04-30 | 2019-04-30 | Test equipment for testing torsion performance of metal wire |
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CN209820970U true CN209820970U (en) | 2019-12-20 |
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CN201920615375.7U Expired - Fee Related CN209820970U (en) | 2019-04-30 | 2019-04-30 | Test equipment for testing torsion performance of metal wire |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113310797A (en) * | 2021-05-12 | 2021-08-27 | 盐城神力制绳有限公司 | Six strand nylon composite rope production testing arrangement |
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2019
- 2019-04-30 CN CN201920615375.7U patent/CN209820970U/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113310797A (en) * | 2021-05-12 | 2021-08-27 | 盐城神力制绳有限公司 | Six strand nylon composite rope production testing arrangement |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CP01 | Change in the name or title of a patent holder | ||
CP01 | Change in the name or title of a patent holder |
Address after: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee after: Sinosteel Zhengzhou metal products Research Institute Co.,Ltd. Address before: No.26, Huahua Road, high tech Development Zone, Zhengzhou, Henan Province, 450001 Patentee before: SINOSTEEL ZHENGZHOU RESEARCH INSTITUTE OF STEEL WIRE & STEEL PRODUCTS Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191220 |