CN114735535A - Device and method for providing tension compensation for steel strand - Google Patents
Device and method for providing tension compensation for steel strand Download PDFInfo
- Publication number
- CN114735535A CN114735535A CN202210384753.1A CN202210384753A CN114735535A CN 114735535 A CN114735535 A CN 114735535A CN 202210384753 A CN202210384753 A CN 202210384753A CN 114735535 A CN114735535 A CN 114735535A
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- China
- Prior art keywords
- steel strand
- movable device
- metering
- directional valve
- tension
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- 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.)
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Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 56
- 239000010959 steel Substances 0.000 title claims abstract description 56
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 20
- 230000001360 synchronised effect Effects 0.000 claims abstract description 11
- 230000008054 signal transmission Effects 0.000 claims description 10
- 238000006073 displacement reaction Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 241000209094 Oryza Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 244000309464 bull Species 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
- B65H59/10—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by devices acting on running material and not associated with supply or take-up devices
- B65H59/36—Floating elements compensating for irregularities in supply or take-up of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H57/00—Guides for filamentary materials; Supports therefor
- B65H57/14—Pulleys, rollers, or rotary bars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H61/00—Applications of devices for metering predetermined lengths of running material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/30—Handled filamentary material
- B65H2701/36—Wires
Landscapes
- Tension Adjustment In Filamentary Materials (AREA)
Abstract
The invention relates to a device and a method for providing tension compensation for a steel strand, and belongs to the technical field of metallurgical equipment and methods. The technical scheme of the invention is as follows: the movable device (18) is arranged in the middle of the upper line feeding direction (20) and the line outgoing direction (21) of the main body, and the air cylinder (8) is connected below the movable device (18); the guide wheels (3) are respectively arranged on the inner sides of the two vertical rollers (2) and the movable device (18); the meter gear (5) is arranged on the inner side of the guide wheel (3) on one side of the wire outlet direction (21), and the meter gear (5) is connected with the guide wheel (3) through a synchronous belt (4). By adopting the pressing device, the moving device and the metering device, the damage to the take-up main wheel body equipment caused by tension discomfort can be effectively avoided, the service life of the equipment is prolonged, the normal operation of production can be met, the reliable guarantee is provided for safe production, and in addition, an accurate metering value can be provided when the steel strand is collected.
Description
Technical Field
The invention relates to a device and a method for providing tension compensation for a steel strand, and belongs to the technical field of metallurgical equipment and methods.
Background
The prestressed steel strand is mainly made of cold-drawn high-carbon steel, has trace phosphide and lubricant residues on the surface, and is mainly applied to post-tensioning prestressed concrete projects and pre-tensioning prestressed concrete projects. Stranding is an important process in the production process, when finished stranded wires are collected, the finished stranded wires are required to be uniformly wound on a wire winding large wheel with proper tightness, and high requirements are provided for the tightness of the stranded wires. During the collection of the strands, effective buffering is required to keep the strands at a proper tightness, and the strands cannot be too tight or too loose. However, in the production process, because the tension set value is a constant value, proper buffering can not be provided for the stranded wire, namely, the production requirement can not be met, equipment is extremely easy to damage, the service life of the equipment is shortened, and meanwhile, great potential safety hazards exist.
How to rapidly and effectively provide tension compensation is a fundamental solution for avoiding the phenomenon.
Disclosure of Invention
The invention aims to provide a device and a method for providing tension compensation for steel strands, wherein the device and the method adopt a pressing device, a movable device and a metering device, so that damage to take-up large wheel body equipment caused by tension discomfort can be effectively avoided, the service life of the equipment is prolonged, the normal running of production can be met, and reliable guarantee is provided for safe production.
The technical scheme of the invention is as follows: a device for providing tension compensation of steel strands comprises a main body, rollers, vertical rollers, guide wheels, a meter counting device, a limiting block, a pressing device, a cylinder, a slideway support, an electric cabinet, a signal transmission line, a sensor, a movable device and an electromagnetic reversing valve, wherein the number of the vertical rollers is two, the two vertical rollers are respectively arranged in the wire inlet direction and the wire outlet direction of the main body, the vertical rollers and the pressing device are arranged in the wire inlet direction from outside to inside, and the vertical rollers and the rollers are arranged in the wire outlet direction from inside to outside;
the slide way support is arranged in the middle of the upper wire inlet direction and the wire outlet direction of the main body, the movable device is arranged inside the slide way support and is movably connected with the slide way support through a slide way, the air cylinder is connected below the movable device, and two limiting blocks are arranged at the top and the bottom of the slide way support respectively;
the number of the guide wheels is more than one, and the guide wheels are respectively arranged on the inner sides of the two vertical rollers and the movable device;
the meter counting device comprises a synchronous belt, a meter counting gear and an encoder, the meter counting gear is arranged on the inner side of a guide wheel on one side of the wire outlet direction, the meter counting gear is connected with the guide wheel through the synchronous belt, and the encoder and the meter counting gear are installed on the same rotating shaft;
the electric cabinet is connected with the encoder, the sensor and the electromagnetic directional valve through signal transmission lines respectively, the sensor is arranged on the movable device, the electromagnetic directional valve is arranged at the front end of the cylinder, and the sensor is connected with the cylinder through the electromagnetic directional valve.
The sensor also comprises a threading pipe which is sleeved outside the signal transmission line connected with the sensor.
The power supply is connected with the electric cabinet through a power line; the air source is connected with the electromagnetic directional valve through an air pipe.
A method of providing strand tension compensation, comprising the steps of:
(1) preparing, namely leading the steel strand after passing through the tension mechanism into the wire inlet direction, sequentially winding the steel strand around the roller after passing through the vertical roller and the pressing device, fixing the strand on the wire take-up big wheel through the vertical roller and the roller at the wire outlet, and operating the pressing device to press the steel strand;
(2) the method comprises the following steps of (1) starting to take up wires, operating a pressing device to enable steel strands to be loosened, starting a wire take-up large wheel, enabling the steel strands to be sequentially transmitted through a guide wheel and a metering gear, enabling the metering gear to synchronously and accurately rotate under the action of a synchronous belt, not generating lost rotation, and realizing accurate metering through counting the rotation number of the metering gear by an encoder;
(3) in the process of collecting the steel strand, when the steel strand is in an excessively tight state, the air cylinder pushes the movable device upwards to relieve the tension of the strand; when the upward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder retracts, and the movable device moves downwards;
(4) when the tension of the steel strand is increased too much instantly, the movable device is caused to move upwards, and when the movable device touches a top limiting block, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole stranding production line is automatically stopped to play a role in protection;
(5) when the steel strand is too loose and is not beneficial to collection, the movable device is tightened downwards under the action of the cylinder to provide tension compensation; when the downward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder pushes out, and the movable device moves upwards;
(6) when the tension of the steel strand is reduced too much instantly, the movable device is caused to move downwards, and when the movable device touches a limiting block at the bottom, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole strand twisting production line is automatically stopped to play a role in protection;
(7) when the metering value of the metering device reaches a set value, the whole production line is automatically stopped, the pressing device works to press the steel strand, and the collection of the steel strand is completed.
The invention has the beneficial effects that: through adopting closing device, head and meter rice device, can effectually avoid causing the damage to receiving line bull wheel body equipment because of tensile discomfort, extension equipment life can satisfy the normal clear of production simultaneously, provides reliable assurance for safety in production, in addition, when steel strand wires were collected, can provide accurate meter rice numerical value.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a rear view of the present invention;
in the figure: the automatic wire-threading device comprises a roller 1, a vertical roller 2, a guide wheel 3, a synchronous belt 4, a meter counting gear 5, a limiting block 6, a pressing device 7, a cylinder 8, a slide way 9, a slide way support 10, an encoder 11, an electric cabinet 12, a signal transmission line 13, a power line 14, a sensor 15, an air pipe 16, a wire threading pipe 17, a movable device 18, an electromagnetic reversing valve 19, a wire inlet direction 20, a wire outlet direction 21, a power supply 22 and an air supply 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more fully described below with reference to the accompanying drawings, it is obvious that the described embodiments are a small part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person skilled in the art without making creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
A device for providing tension compensation of a steel strand comprises a main body, a roller 1, a vertical roller 2, a guide wheel 3, a meter counting device, a limiting block 6, a pressing device 7, an air cylinder 8, a slide way 9, a slide way support 10, an electric cabinet 12, a signal transmission line 13, a sensor 15, a movable device 18 and an electromagnetic directional valve 19, wherein the number of the vertical rollers 2 is two, the two vertical rollers are respectively arranged in a wire inlet direction 20 and a wire outlet direction 21 of the main body, the vertical roller 2 and the pressing device 7 are arranged from outside to inside in the wire inlet direction 20, and the vertical roller 2 and the roller 1 are arranged from inside to outside in the wire outlet direction 21;
the slide way support 10 is arranged in the middle of the wire inlet direction 20 and the wire outlet direction 21 on the main body, the movable device 18 is arranged inside the slide way support 10 and is movably connected with the slide way support 19 through a slide way 9, the air cylinder 8 is connected below the movable device 18, and two limiting blocks 6 are arranged at the top and the bottom of the slide way support 10 respectively;
the number of the guide wheels 3 is more than one, and the guide wheels are respectively arranged on the inner sides of the two vertical rollers 2 and the movable device 18;
the metering device comprises a synchronous belt 4, a metering gear 5 and an encoder 11, the metering gear 5 is arranged on the inner side of a guide wheel 3 on one side of the outgoing line direction 21, the metering gear 5 is connected with the guide wheel 3 through the synchronous belt 4, and the encoder 11 and the metering gear 5 are installed with a rotating shaft;
the electric control box 12 is respectively connected with the encoder 11, the sensor 15 and the electromagnetic directional valve 19 through the signal transmission line 13, the sensor 15 is arranged on the movable device 18, the electromagnetic directional valve 19 is arranged at the front end of the cylinder 8, and the sensor 15 is connected with the cylinder 8 through the electromagnetic directional valve 19.
The sensor also comprises a threading pipe 17 which is sleeved outside the signal transmission line 13 connected with the sensor 15.
The power supply 22 is connected with the electric cabinet 12 through a power line 14; the air source 23 is connected with the electromagnetic directional valve (19) through the air pipe 16.
A method of providing strand tension compensation, comprising the steps of:
(1) preparing, namely leading the steel strand after passing through the tension mechanism into the wire inlet direction, sequentially winding the steel strand around the roller after passing through the vertical roller and the pressing device, fixing the strand on the wire take-up big wheel through the vertical roller and the roller at the wire outlet, and operating the pressing device to press the steel strand;
(2) the method comprises the following steps of (1) starting to take up wires, operating a pressing device to enable steel strands to be loosened, starting a wire take-up large wheel, enabling the steel strands to be sequentially transmitted through a guide wheel and a metering gear, enabling the metering gear to synchronously and accurately rotate under the action of a synchronous belt, not generating lost rotation, and realizing accurate metering through counting the rotation number of the metering gear by an encoder;
(3) in the process of collecting the steel strand, when the steel strand is in an excessively tight state, the air cylinder pushes the movable device upwards to relieve the tension of the strand; when the upward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder retracts, and the movable device moves downwards;
(4) when the tension of the steel strand is increased too much instantly, the movable device is caused to move upwards, and when the movable device touches a top limiting block, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole stranding production line is automatically stopped to play a role in protection;
(5) when the steel strand is too loose and not beneficial to collection, the movable device is tightened downwards under the action of the air cylinder to provide tension compensation; when the downward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder pushes out, and the movable device moves upwards;
(6) when the tension of the steel strand is reduced too much instantly, the movable device is caused to move downwards, and when the movable device touches a limiting block at the bottom, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole strand twisting production line is automatically stopped to play a role in protection;
(7) when the metering value of the metering device reaches a set value, the whole production line is automatically stopped, the pressing device works to press the steel strand, and the collection of the steel strand is completed.
In the stranding production process, if the steel strand is too tight during collection, the steel strand can be well buffered, and the tight state of the steel strand is relieved; if the steel strand is too loose during collection, the steel strand can be well compensated, and the stretching of the steel strand is enhanced. Can effectually avoid causing the damage to receiving line bull wheel body equipment because of tensile discomfort, extension equipment life can satisfy the normal clear of production simultaneously, provides reliable assurance for safety in production. In addition, when the steel strand wires are collected, accurate meter number values can be provided. In the strand twisting production process of the steel strand, the technical field of tension compensation of the steel strand has certain application value.
Claims (4)
1. The utility model provides a device for providing steel strand wires tension compensation which characterized in that: the automatic metering device comprises a main body, rollers (1), vertical rollers (2), guide wheels (3), a metering device, limiting blocks (6), a pressing device (7), an air cylinder (8), a slide way (9), a slide way support (10), an electric cabinet (12), a signal transmission line (13), a sensor (15), a movable device (18) and an electromagnetic reversing valve (19), wherein the number of the vertical rollers (2) is two, the vertical rollers (2) and the pressing device (7) are respectively arranged in the wire inlet direction (20) and the wire outlet direction (21) of the main body, the vertical rollers (2) and the rollers (1) are arranged in the wire inlet direction (20) from outside to inside, and the wire outlet direction (21) is provided with the vertical rollers (2) and the rollers (1) from inside to outside;
the slide way support (10) is arranged in the middle of the upper wire inlet direction (20) and the wire outlet direction (21) of the main body, the movable device (18) is arranged inside the slide way support (10) and is movably connected with the slide way support (10) through a slide way (9), the air cylinders (8) are connected below the movable device (18), and the two limiting blocks (6) are respectively arranged at the top and the bottom of the slide way support (10);
the number of the guide wheels (3) is more than one, and the guide wheels are respectively arranged on the inner sides of the two vertical rollers (2) and the movable device (18);
the metering device comprises a synchronous belt (4), a metering gear (5) and an encoder (11), the metering gear (5) is arranged on the inner side of a guide wheel (3) on one side of the outgoing line direction (21), the metering gear (5) is connected with the guide wheel (3) through the synchronous belt (4), and the encoder (11) and the metering gear (5) are installed in the same rotating shaft;
the electric cabinet (12) is respectively connected with the encoder (11), the sensor (15) and the electromagnetic directional valve (19) through a signal transmission line (13), the sensor (15) is arranged on the movable device (18), the electromagnetic directional valve (19) is arranged at the front end of the cylinder (8), and the sensor (15) is connected with the cylinder (8) through the electromagnetic directional valve (19).
2. The apparatus of claim 1, wherein the tension compensation device comprises: the sensor also comprises a threading pipe (17) which is sleeved outside the signal transmission line (13) connected with the sensor (15).
3. The apparatus of claim 1, wherein the tension compensation device comprises: the power supply (22) is connected with the electric cabinet (12) through a power line (14); the air source (23) is connected with the electromagnetic directional valve (19) through an air pipe (16).
4. A method of providing tension compensation for a steel strand, comprising the steps of:
(1) preparing, namely leading the steel strand after passing through the tension mechanism into the wire inlet direction, sequentially winding the steel strand around the roller after passing through the vertical roller and the pressing device, fixing the strand on the wire take-up big wheel through the vertical roller and the roller at the wire outlet, and operating the pressing device to press the steel strand;
(2) the steel strand is sequentially transmitted through the guide wheel and the metering gear, the metering gear synchronously and accurately rotates under the action of the synchronous belt without generating lost rotation, and accurate metering is realized through counting the rotation number of the metering gear by the encoder;
(3) in the process of collecting the steel strand, when the steel strand is in an excessively tight state, the air cylinder pushes the movable device upwards to relieve the tension of the strand; when the upward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder retracts, and the movable device moves downwards;
(4) when the tension of the steel strand is increased too much instantly, the movable device is caused to move upwards, and when the movable device touches a top limiting block, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole stranding production line is automatically stopped to play a role in protection;
(5) when the steel strand is too loose and is not beneficial to collection, the movable device is tightened downwards under the action of the cylinder to provide tension compensation; when the downward displacement distance of the movable device is too large, the sensor detects a signal and transmits the signal to the electromagnetic directional valve, the electromagnetic directional valve reverses the gas flow direction, the cylinder pushes out, and the movable device moves upwards;
(6) when the tension of the steel strand is reduced too much instantly, the movable device is caused to move downwards, and when the movable device touches a limiting block at the bottom, the limiting block transmits a signal to a PLC control room, a frequency converter sends a power-off instruction, and the whole strand twisting production line is automatically stopped to play a role in protection;
(7) when the metering value of the metering device reaches a set value, the whole production line is automatically stopped, the pressing device works to press the steel strand, and the collection of the steel strand is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384753.1A CN114735535A (en) | 2022-04-13 | 2022-04-13 | Device and method for providing tension compensation for steel strand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210384753.1A CN114735535A (en) | 2022-04-13 | 2022-04-13 | Device and method for providing tension compensation for steel strand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114735535A true CN114735535A (en) | 2022-07-12 |
Family
ID=82282285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210384753.1A Withdrawn CN114735535A (en) | 2022-04-13 | 2022-04-13 | Device and method for providing tension compensation for steel strand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114735535A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9102864U1 (en) * | 1991-03-09 | 1991-05-29 | Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal | Device for measuring the length of thread-like textile material |
| JPH06123617A (en) * | 1991-07-09 | 1994-05-06 | Eiichi Tada | Method and device for measuring length of long object to be measured and sensor used therefor |
| CN108529332A (en) * | 2018-05-11 | 2018-09-14 | 远东电缆有限公司 | A kind of automation rewinding machine and its application method |
| CN209156981U (en) * | 2018-11-27 | 2019-07-26 | 成都固特机械有限责任公司 | A kind of small-sized straightener |
| CN214114509U (en) * | 2020-12-30 | 2021-09-03 | 淮安金鑫传动机械有限公司 | Tension compensation device of steel strand production line |
-
2022
- 2022-04-13 CN CN202210384753.1A patent/CN114735535A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9102864U1 (en) * | 1991-03-09 | 1991-05-29 | Hacoba Textilmaschinen Gmbh & Co Kg, 5600 Wuppertal | Device for measuring the length of thread-like textile material |
| JPH06123617A (en) * | 1991-07-09 | 1994-05-06 | Eiichi Tada | Method and device for measuring length of long object to be measured and sensor used therefor |
| CN108529332A (en) * | 2018-05-11 | 2018-09-14 | 远东电缆有限公司 | A kind of automation rewinding machine and its application method |
| CN209156981U (en) * | 2018-11-27 | 2019-07-26 | 成都固特机械有限责任公司 | A kind of small-sized straightener |
| CN214114509U (en) * | 2020-12-30 | 2021-09-03 | 淮安金鑫传动机械有限公司 | Tension compensation device of steel strand production line |
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Application publication date: 20220712 |
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| WW01 | Invention patent application withdrawn after publication |