CN109406031B - Steel cord stress detection device - Google Patents
Steel cord stress detection device Download PDFInfo
- Publication number
- CN109406031B CN109406031B CN201811335233.1A CN201811335233A CN109406031B CN 109406031 B CN109406031 B CN 109406031B CN 201811335233 A CN201811335233 A CN 201811335233A CN 109406031 B CN109406031 B CN 109406031B
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- vertical rod
- chuck
- steel cord
- fixing hole
- rotating block
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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
- G01L5/0047—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes measuring forces due to residual stresses
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention provides a steel cord stress detection device which comprises a fixed support, a first chuck, a second chuck and a third chuck. The fixed bolster includes base, first montant and second montant, and the one end of base has a plurality of fixed positions of arranging in proper order, and first montant is connected with fixed bolster detachably in one of them department of a plurality of fixed positions, and the second montant is close to the other end setting of base and with base fixed link. The first chuck is fixedly arranged on the first vertical rod, the third chuck is fixedly arranged on the second vertical rod, the second chuck comprises a rotating body and a connecting rod, one end of the connecting rod is rotatably connected with the rotating body, the other end of the connecting rod is fixedly connected with the second vertical rod, and the center of the first chuck, the center of the rotating body and the center of the third chuck are positioned on the same horizontal line. According to the invention, the residual torsional stress of the steel cord can be detected by adopting a machine instead of manual detection, the detection result is more accurate, and the production efficiency is improved.
Description
Technical Field
The invention relates to the field of wire drawing, in particular to a steel cord stress detection device.
Background
The residual torsion stress is an important index for measuring the quality of the steel cord, and the steel cord or the steel wire is twisted once every one rotation of a flywheel of a strander in the production process of the steel cord, which inevitably causes the steel cord or the steel wire to generate a loose twisting trend opposite to the twisting direction, and the loose twisting trend can form the residual torsion stress in the steel cord or the steel wire, and the torsion moment of the residual torsion stress causes the twisted steel cord or the steel wire to reversely twist and loosen in the twisting direction.
The residual torsional stresses of the steel cords need to be strictly detected and eliminated, otherwise they directly affect the quality and the service life of the tire. The steel cord of the radial tire is of a multi-layer structure, and in the prior art, the residual torsion stress of the steel cord of the radial tire is usually detected manually by people, so that the detection error of the method is large.
Disclosure of Invention
The invention provides a steel cord stress detection device aiming at solving the problem that the detection error of manually detecting torsion residual stress is large.
The invention relates to a steel cord stress detection device, comprising: the device comprises a fixed bracket, a first chuck, a second chuck and a third chuck; the fixing support comprises a base, a first vertical rod and a second vertical rod, wherein one end of the base is provided with a plurality of fixing positions which are sequentially arranged, the first vertical rod is detachably connected with the fixing support at one of the plurality of fixing positions, and the second vertical rod is close to the other end of the base and is fixedly connected with the base; the first chuck is fixedly mounted on the first vertical rod, the third chuck is fixedly mounted on the second vertical rod, the second chuck comprises a rotating body and a connecting rod, one end of the connecting rod is rotatably connected with the rotating body, the other end of the connecting rod is fixedly connected with the second vertical rod, and the center of the first chuck, the center of the rotating body and the center of the third chuck are located on the same horizontal line.
Preferably, a plurality of inserting blocks are respectively arranged at the plurality of fixing positions, a jack is arranged at the bottom of the first vertical rod, and the first vertical rod is detachably connected with one of the plurality of inserting blocks through the jack.
Preferably, the first chuck comprises a first fixing hole and a first adjusting bolt, the first fixing hole is formed in the first vertical rod, the first fixing hole faces the second vertical rod and is transversely arranged, the first adjusting bolt is rotatably arranged on the first vertical rod, and the first adjusting bolt is located on the side edge of the first fixing hole and is communicated with the first fixing hole.
Preferably, the second chuck further comprises a second fixing hole and two second adjusting bolts, the rotating body comprises a first rotating block and a second rotating block, the first rotating block and the second rotating block are cylinders with equal diameters, the first rotating block and the second rotating block are detachably connected through the two second adjusting bolts, the second rotating block is rotatably connected with the connecting rod, the second fixing hole is a through hole, and the second fixing hole is transversely formed in the first rotating block, the second rotating block and the connecting rod.
Preferably, the third chuck comprises a third fixing hole and a third adjusting bolt, the third fixing hole is formed in the second vertical rod, the third fixing hole faces the first vertical rod and is transversely arranged, the third adjusting bolt is rotatably arranged on the second vertical rod, and the third adjusting bolt is located on the side edge of the third fixing hole and is communicated with the third fixing hole.
Preferably, the first fixing hole, the second fixing hole and the third fixing hole have the same inner diameter.
Preferably, the center of the first fixing hole, the center of the second fixing hole and the center of the third fixing hole are located on the same horizontal line.
Preferably, the steel cord stress detection device further comprises a motor and a transmission device, wherein the motor is fixedly connected with the transmission device, the transmission device is fixedly connected with the second rotating block, the motor drives the second rotating block to rotate through the transmission device, and the second rotating block drives the rotating body to rotate.
Preferably, the steel cord stress detection device further comprises a control box, wherein the control box is electrically connected with the motor, and the control box drives the transmission device to rotate through the motor.
Preferably, the transmission device comprises a first gear and a second gear, the spindle of the first gear with a spindle is fixedly connected with the motor, the second gear is fixedly connected with the periphery of the second rotating block, and the first gear is meshed with the second gear.
Compared with the prior art, the steel cord stress detection device adopts a machine to detect the residual torsional stress of the steel cord instead of manual detection, the detection result is more accurate, the operation is convenient, the production efficiency is improved, and the first vertical rod can adjust a plurality of positions and is suitable for stress detection of various steel cords.
Drawings
FIG. 1 is a schematic view of an apparatus for detecting stress of a steel cord according to an embodiment of the present invention;
FIG. 2 is a schematic view of a second chuck according to an embodiment of the present invention;
FIG. 3 is a schematic view of a second chuck according to another embodiment of the present invention;
in the figure: 1-fixing a bracket; 11-a base; 111-plug blocks; 12-a first vertical rod; 13-a second vertical bar; 2-a first chuck; 21-a first fixing hole; 22-a first adjusting bolt; 3-a second chuck; 31-a rotating body; 311-a first rotation block; 312-a second rotating block; 32-connecting rods; 33-a second fixing hole; 34-a second adjusting bolt; 4-a third chuck; 41-a third fixing hole; 42-a third adjusting bolt; 5-a motor; 6-transmission device; 61-a first gear; 7-a control box.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the invention, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1 in combination, fig. 1 is an overall schematic diagram of a steel cord stress detecting device according to an embodiment of the invention. The invention relates to a steel cord stress detection device which comprises a fixed bracket 1, a first clamping head 2, a second clamping head 3 and a third clamping head 4.
The fixed bolster 1 includes base 11, first montant 12 and second montant 13, and the one end of base 11 has a plurality of fixed positions of arranging in proper order, and first montant 12 is connected with fixed bolster 1 detachably in one of them department of a plurality of fixed positions, and second montant 13 is close to the other end setting of base 11 and with base 11 fixed link. Preferably, a plurality of inserting blocks 111 are respectively arranged at a plurality of fixing positions, an inserting hole is formed in the bottom of the first vertical rod 12, the first vertical rod 12 is detachably connected with one of the inserting blocks 111 through the inserting hole, and therefore the distance between the first vertical rod 12 and the second vertical rod 13 can be adjusted according to the length of the specific requirement of the steel cord. Further, the number of the plurality of fixing bits may be 3, that is, the number of the plurality of the plug blocks 111 may be 3. In a specific embodiment, the length of the steel cord is the product of a fixed number and the lay length of the steel cord, and when the lay length of the steel cord is smaller, the distance between the first vertical rod 12 and the second vertical rod 13 can be adjusted closer, and when the lay length of the steel cord is larger, the distance between the first vertical rod 12 and the second vertical rod 13 can be adjusted farther.
Referring to fig. 2 and 3 in combination, fig. 2 is a schematic diagram of a second chuck according to an embodiment of the invention, and fig. 3 is a schematic diagram of a second chuck according to another embodiment of the invention. The first clamping head 2 is fixedly installed on the first vertical rod 12, the third clamping head 4 is fixedly installed on the second vertical rod 13, preferably, the first clamping head 2 comprises a first fixing hole 21 and a first adjusting bolt 22, the first fixing hole 21 is arranged on the first vertical rod 12, the first fixing hole 21 is transversely arranged towards the second vertical rod 13, the first adjusting bolt 22 is rotatably arranged on the first vertical rod 12, the first adjusting bolt 22 is located on the side edge of the first fixing hole 21 and is communicated with the first fixing hole 21, the third clamping head 4 comprises a third fixing hole 41 and a third adjusting bolt 42, the third fixing hole 41 is arranged on the second vertical rod 13, the third fixing hole 41 is transversely arranged towards the first vertical rod 12, the third adjusting bolt 42 is rotatably arranged on the second vertical rod 13, and the third adjusting bolt 42 is located on the side edge of the third fixing hole 41 and is communicated with the third fixing hole 41. The second chuck 3 comprises a rotating body 31 and a connecting rod 32, one end of the connecting rod 32 is rotatably connected with the rotating body 31, the other end of the connecting rod 32 is fixedly connected with the second vertical rod 13, and the center of the first chuck 2, the center of the rotating body 31 and the center of the third chuck 4 are positioned on the same horizontal line. Preferably, the second chuck 3 further includes a second fixing hole 33 and two second adjusting bolts 34, the rotating body 31 includes a first rotating block 311 and a second rotating block 312, the first rotating block 311 and the second rotating block 312 are cylinders with equal diameters, the first rotating block 311 and the second rotating block 312 are detachably connected through the two second adjusting bolts 34 symmetrically arranged, the second rotating block 312 is rotatably connected with the connecting rod 32, the second fixing hole 33 is a through hole, and the second fixing hole 33 is transversely arranged in the first rotating block 311, the second rotating block 312 and the connecting rod 32.
In practical application, in order to prevent the two ends of the steel cord from loosening, a section of the steel cord is cut by using a tiger-shaped fuse, the length of the steel cord is controlled to be the product of the fixed number and the twisting distance of the steel cord, and the distance between the first vertical rod 12 and the second vertical rod 13 is slightly smaller than the length of the steel cord by adjusting the position of the first vertical rod 12. One end of the steel cord is first inserted into the first fixing hole 21, and the first adjusting bolt 22 is turned until the steel cord in the first fixing hole 21 is locked. The other end of the steel cord is passed through the first rotating block 311, then the inner and outer steel wires of the end are stripped by a special wire clamping pliers, and the outer steel wires are turned outwards by 90 degrees. Then, the turned outer layer wire is sandwiched between the first rotating block 311 and the second rotating block 312, and the first rotating block 311 and the second rotating block 312 are detachably connected by the two second adjusting bolts 34, so that the outer layer wire in the rotating body 31 can be rotated together with the rotating body 31. Finally, the inner layer steel wire passes through the second rotating block 312 and the connecting rod 32, the end of the inner layer steel wire is inserted into the third fixing hole 41 after the steel cord is straightened, and the third adjusting bolt 42 is rotated until the steel cord in the third fixing hole 41 is locked.
Preferably, the inner diameters of the first, second and third fixing holes 21, 33 and 41 may be equal for mass production. Further, in order to ensure that the steel cord can be straightened, the centers of the first fixing hole 21, the second fixing hole 33 and the third fixing hole 41 are located on the same horizontal line.
Preferably, the steel cord stress detection device of the invention further comprises a motor 5, a transmission device 6 and a control box 7, wherein the motor 5 is fixedly connected with the transmission device 6, the transmission device 6 is fixedly connected with the second rotating block 312, the motor 5 drives the second rotating block 312 to rotate through the transmission device 6, the control box 7 is electrically connected with the motor 5, and the control box 7 drives the transmission device 6 to rotate through the motor 5. Further, the transmission device 6 may include a first gear 61 and a second gear (not shown), the spindle of the first gear 61 having a spindle is fixedly connected with the motor 5, the second gear is fixedly connected to the outer circumference of the second rotating block 312, the first gear 61 is meshed with the second gear, and the motor 5 drives the second gear to rotate through the first gear 61, so that the rotating body 31 rotates.
In practical application, the control box 7 sets the rotation times of the rotating body 31 and the rotation angle of each time, after the rotation is finished, the second adjusting bolt 34 is screwed out and the first rotating block 311 is supported, the rotation number of the outer layer steel wire is observed, the third bolt is screwed out, the inner layer steel wire in the third fixing hole 41 is taken out, and the rotation number of the inner layer steel wire is observed. And finally substituting the rotation number of the outer layer steel wire and the rotation number of the inner layer steel wire into a specific formula to calculate the residual torsional stress of the steel cord. Preferably, the rotation angle of the rotation body 31 is 90 degrees each time, so that the steel cord can be rotated more times, making the measurement result more accurate.
Compared with the prior art, the steel cord stress detection device adopts a machine to detect the residual torsional stress of the steel cord instead of manual detection, the detection result is more accurate, the operation is convenient, the production efficiency is improved, the first vertical rod 12 can adjust a plurality of positions, and the device is suitable for stress detection of various steel cords.
The invention has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.
Claims (10)
1. A steel cord stress detection device characterized by comprising: the device comprises a fixed bracket, a first chuck, a second chuck and a third chuck;
the fixing support comprises a base, a first vertical rod and a second vertical rod, wherein one end of the base is provided with a plurality of fixing positions which are sequentially arranged, the first vertical rod is detachably connected with the fixing support at one of the plurality of fixing positions, and the second vertical rod is close to the other end of the base and is fixedly connected with the base;
the first chuck is fixedly mounted on the first vertical rod, the third chuck is fixedly mounted on the second vertical rod, the second chuck comprises a rotating body and a connecting rod, one end of the connecting rod is rotatably connected with the rotating body, the other end of the connecting rod is fixedly connected with the second vertical rod, and the center of the first chuck, the center of the rotating body and the center of the third chuck are located on the same horizontal line.
2. The steel cord stress detection device according to claim 1, wherein a plurality of insertion blocks are respectively arranged at the plurality of fixing positions, insertion holes are formed in the bottom of the first vertical rod, and the first vertical rod is detachably connected with one of the plurality of insertion blocks through the insertion holes.
3. The steel cord stress detection device according to claim 1, wherein the first clamping head comprises a first fixing hole and a first adjusting bolt, the first fixing hole is formed in the first vertical rod, the first fixing hole is transversely arranged towards the second vertical rod, the first adjusting bolt is rotatably arranged on the first vertical rod, and the first adjusting bolt is located on the side edge of the first fixing hole and is communicated with the first fixing hole.
4. A steel cord stress detection device according to claim 3, wherein the second chuck further comprises a second fixing hole and two second adjusting bolts, the rotating body comprises a first rotating block and a second rotating block, the first rotating block and the second rotating block are cylinders with equal diameters, the first rotating block and the second rotating block are detachably connected through the two second adjusting bolts which are symmetrically arranged, the second rotating block is rotatably connected with the connecting rod, the second fixing hole is a through hole, and the second fixing hole is transversely formed in the first rotating block, the second rotating block and the connecting rod.
5. The steel cord stress detection device according to claim 4, wherein the third clamping head comprises a third fixing hole and a third adjusting bolt, the third fixing hole is formed in the second vertical rod, the third fixing hole is transversely arranged towards the first vertical rod, the third adjusting bolt is rotatably arranged on the second vertical rod, and the third adjusting bolt is located on the side edge of the third fixing hole and is communicated with the third fixing hole.
6. The steel cord stress testing device of claim 5, wherein said first attachment hole, said second attachment hole and said third attachment hole have equal inner diameters.
7. A steel cord stress testing device according to claim 6, wherein the center of said first attachment hole, the center of said second attachment hole and the center of said third attachment hole are located on the same horizontal line.
8. The steel cord stress detection device according to claim 7, further comprising a motor and a transmission device, wherein the motor is fixedly connected with the transmission device, the transmission device is fixedly connected with the second rotating block, the motor drives the second rotating block to rotate through the transmission device, and the second rotating block drives the rotating body to rotate.
9. The steel cord stress testing device of claim 8, further comprising a control box, wherein said control box is electrically connected to said motor, and wherein said control box drives said transmission to rotate via said motor.
10. The steel cord stress testing device of claim 9, wherein said transmission means comprises a first gear and a second gear, said spindle of said first gear having a spindle fixedly connected to said motor, said second gear fixedly connected to the outer periphery of said second rotating block, said first gear meshed with said second gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335233.1A CN109406031B (en) | 2018-11-10 | 2018-11-10 | Steel cord stress detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811335233.1A CN109406031B (en) | 2018-11-10 | 2018-11-10 | Steel cord stress detection device |
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| Publication Number | Publication Date |
|---|---|
| CN109406031A CN109406031A (en) | 2019-03-01 |
| CN109406031B true CN109406031B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811335233.1A Active CN109406031B (en) | 2018-11-10 | 2018-11-10 | Steel cord stress detection device |
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| CN (1) | CN109406031B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118376520B (en) * | 2024-06-24 | 2024-09-10 | 山东大业股份有限公司 | Torsion detection device for steel cord |
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|---|---|---|---|---|
| KR20000067589A (en) * | 1999-04-29 | 2000-11-25 | 홍영철 | Torsion tester |
| CN201525915U (en) * | 2009-10-12 | 2010-07-14 | 青岛三高自控设备研发有限公司 | Steel cord residual torsional force detector |
| CN202947704U (en) * | 2012-11-22 | 2013-05-22 | 常州贝斯塔德机械科技有限公司 | Steel cord lay length instrument |
| JP2013148357A (en) * | 2012-01-17 | 2013-08-01 | Tochigi Sumitomo Denko Kk | Method and device for measuring residual torsion of twist wire |
| CN103255515A (en) * | 2013-05-02 | 2013-08-21 | 扬州丰登精密机械有限公司 | Manual-automatic twisting machine |
| CN204027944U (en) * | 2014-08-20 | 2014-12-17 | 张家港市骏马钢帘线有限公司 | Torsion detecting device more than steel cord residual |
| CN106053258A (en) * | 2016-08-01 | 2016-10-26 | 江苏胜达科技有限公司 | Detecting device and detecting method for residual torsion value of steel wire |
| CN106796148A (en) * | 2014-09-02 | 2017-05-31 | 贝卡尔特公司 | For the apparatus and method that measurement remnant is reversed |
| CN207488160U (en) * | 2017-11-30 | 2018-06-12 | 重庆川仪自动化股份有限公司 | Multilayer material binding strength test device |
-
2018
- 2018-11-10 CN CN201811335233.1A patent/CN109406031B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000067589A (en) * | 1999-04-29 | 2000-11-25 | 홍영철 | Torsion tester |
| CN201525915U (en) * | 2009-10-12 | 2010-07-14 | 青岛三高自控设备研发有限公司 | Steel cord residual torsional force detector |
| JP2013148357A (en) * | 2012-01-17 | 2013-08-01 | Tochigi Sumitomo Denko Kk | Method and device for measuring residual torsion of twist wire |
| CN202947704U (en) * | 2012-11-22 | 2013-05-22 | 常州贝斯塔德机械科技有限公司 | Steel cord lay length instrument |
| CN103255515A (en) * | 2013-05-02 | 2013-08-21 | 扬州丰登精密机械有限公司 | Manual-automatic twisting machine |
| CN204027944U (en) * | 2014-08-20 | 2014-12-17 | 张家港市骏马钢帘线有限公司 | Torsion detecting device more than steel cord residual |
| CN106796148A (en) * | 2014-09-02 | 2017-05-31 | 贝卡尔特公司 | For the apparatus and method that measurement remnant is reversed |
| CN106053258A (en) * | 2016-08-01 | 2016-10-26 | 江苏胜达科技有限公司 | Detecting device and detecting method for residual torsion value of steel wire |
| CN207488160U (en) * | 2017-11-30 | 2018-06-12 | 重庆川仪自动化股份有限公司 | Multilayer material binding strength test device |
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| CN109406031A (en) | 2019-03-01 |
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