CN110847040A - Intelligent equal-tension system of magnetic flux sensor and operation method thereof - Google Patents
Intelligent equal-tension system of magnetic flux sensor and operation method thereof Download PDFInfo
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- CN110847040A CN110847040A CN201911033176.6A CN201911033176A CN110847040A CN 110847040 A CN110847040 A CN 110847040A CN 201911033176 A CN201911033176 A CN 201911033176A CN 110847040 A CN110847040 A CN 110847040A
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- magnetic flux
- steel strand
- intelligent
- stretch
- draw
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
- E01D2101/28—Concrete reinforced prestressed
Abstract
The invention discloses an intelligent equal-tension system of a magnetic flux sensor and an operation method thereof, and the system comprises a supporting cylinder, a plurality of steel strands, an intelligent pump station and a tension jack, wherein the steel strands are inserted into the supporting cylinder, the output end of the intelligent pump station is connected with the tension jack, the tension end of the tension jack is connected with one steel strand, and the first steel strand is provided with the magnetic flux sensor; according to the invention, the intelligent pump station is used for driving the tensioning jack, when a first steel strand is tensioned, the tensioning jack is tensioned in place according to a preset force value, the magnetic flux sensor on the first steel strand is used for matching with the reading of the magnetic flux meter, the data is used as a reference force value, then when a subsequent steel strand is tensioned, the machine can be stopped and returned, and the next steel strand is tensioned again only by the condition that the reading of the tensioning force value of the tensioning jack is more than or equal to the reference force value, so that the tensioning stress of each steel strand is uniform, and the construction efficiency is improved.
Description
Technical Field
The invention relates to the technical field of inhaul cable system construction, in particular to an intelligent equal-tension system of a magnetic flux sensor and an operation method thereof.
Background
In the construction of bridges and other buildings, a steel strand stay is usually needed, a cable body of the steel strand stay is composed of a plurality of steel strands, and when the steel strand stay is constructed on site, in order to enable each steel strand to be stressed uniformly, a steel strand hanging method and an equal tension method are needed for construction one by one, so that the invention provides an intelligent equal tension system of a magnetic flux sensor and an operation method thereof to solve the problems in the prior art.
Disclosure of Invention
The intelligent equal-tension system of the magnetic flux sensor and the operation method thereof drive the tension jack by using the intelligent pump station, when a first steel strand is tensioned, the first steel strand is tensioned in place according to a preset force value, the magnetic flux sensor on the first steel strand is matched with the reading of a magnetic flux instrument, the data is taken as a reference force value, and when a subsequent steel strand is tensioned, the next steel strand can be stopped, returned and tensioned again only if the reading of the tension force value of the tension jack is more than or equal to the reference force value, so that the tension stress of each steel strand is uniform, and the construction efficiency is improved.
In order to solve the problems, the invention provides an intelligent equal-tension system of a magnetic flux sensor, which comprises a supporting cylinder, a plurality of steel strands, an intelligent pump station and a tension jack, wherein the steel strands are inserted into the supporting cylinder, the output end of the intelligent pump station is connected with the tension jack, the tension end of the tension jack is connected with one steel strand, the first steel strand is provided with the magnetic flux sensor, the signal output end of the magnetic flux sensor is connected with a magnetic flux meter, and the magnetic flux meter is connected with the intelligent pump station.
The further improvement lies in that: the intelligent pump station is internally provided with a PLC processing module and a software operation interface, the magnetic flux instrument is internally provided with a reading module, and the PLC processing module is connected with the reading module.
The further improvement lies in that: the intelligent pump station comprises a common oil pump mode and an intelligent tensioning oil pump mode, the tensioning speed is unlimited and adjustable during the common oil pump mode, during the intelligent tensioning oil pump mode, the tensioning jack is used for tensioning the first steel strand, tensioning is in place according to a preset force value during the steel strand, and tensioning is subsequent during the steel strand, when the reading of the tensioning force value of the tensioning jack is more than or equal to during the reading of the force measurement of the magnetic flux instrument, the machine is stopped and returned, so that tensioning is performed again.
The further improvement lies in that: the one end of a supporting cylinder is equipped with the anchor slab, and the one end of anchor slab is equipped with the stretch-draw support, the steel strand wires pass anchor slab and stretch-draw support.
An operation method of an intelligent equal tension system of a magnetic flux sensor comprises the following steps:
the method comprises the following steps: setting a parameter force value after a password is verified on a software operation interface of the intelligent pump station;
step two: starting an intelligent pump station, selecting a tensioning mode as an intelligent tensioning oil pump mode, providing power for a tensioning jack by using the intelligent pump station, connecting the tensioning jack with a first steel strand for tensioning, and tensioning in place according to a preset force value;
step three: a magnetic flux sensor on the first steel strand transmits an induced signal to a magnetic flux instrument, a reading module in the magnetic flux instrument reads the signal and then transmits the data to a PLC processing module of the intelligent pump station, the data is displayed on a software operation interface, and the data is used as a reference force value;
step four: and respectively tensioning subsequent single steel strands by using a tensioning jack, obtaining a tension value reading of the tensioning jack through a PLC processing module of an intelligent pump station, judging whether the actually measured cable force is more than or equal to a reference force value in the third step for the actually measured cable force, stopping the machine for pressure maintaining if the actually measured cable force is more than or equal to the reference force value, unloading and returning, and tensioning the next steel strand until all the steel strands are completely installed.
The further improvement lies in that: in the first step, the setting of the parameter force value specifically comprises: calibration parameter setting, safety parameter setting, working parameter setting and password setting.
The further improvement lies in that: in the fourth step, if the actually measured cable force is smaller than the reference force value in the third step, the single steel strand is tensioned again until the actually measured cable force is larger than or equal to the reference force value in the third step.
The invention has the beneficial effects that: according to the invention, the intelligent pump station is used for driving the tensioning jack, when a first steel strand is tensioned, the tensioning jack is tensioned in place according to a preset force value, the magnetic flux sensor on the first steel strand is used for matching with the reading of the magnetic flux meter, the data is used as a reference force value, then when a subsequent steel strand is tensioned, the machine can be stopped and returned, and the next steel strand is tensioned again only by the condition that the reading of the tensioning force value of the tensioning jack is more than or equal to the reference force value, so that the tensioning stress of each steel strand is uniform, and the construction efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of a uniform intelligent equal tensioning system for single strand stress of the present invention;
FIG. 2 is a flow chart of the operation of the present invention.
Wherein: 1. a support cylinder; 2. steel strand wires; 3. an intelligent pump station; 4. tensioning a jack; 5. a magnetic flux sensor; 6. a magnetic flux meter; 7. an anchor plate; 8. and (5) tensioning the bracket.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, this embodiment provides a stretch-draw system such as magnetic flux sensor's intelligence, including supporting cylinder 1, steel strand wires 2, intelligent pump station 3 and stretch-draw jack 4, the steel strand wires 2 have been alternate in the supporting cylinder 1, and steel strand wires 2 are equipped with many, intelligent pump station 3's output with stretch-draw jack 4 is connected, and stretch-draw end and one of stretch-draw jack 4 steel strand wires 2 are connected, and is first install magnetic flux sensor 5 on the steel strand wires 2, and magnetic flux sensor 5's signal output part is connected with magnetic flux appearance 6, magnetic flux appearance 6 with intelligent pump station 3 connects.
The intelligent pump station 3 is internally provided with a PLC processing module and a software operation interface, the magnetic flux instrument 6 is internally provided with a reading module, and the PLC processing module is connected with the reading module.
The one end of a supporting cylinder 1 is equipped with anchor slab 7, and the one end of anchor slab 7 is equipped with stretch-draw support 8, steel strand wires 2 pass anchor slab 7 and stretch-draw support 8.
According to fig. 2, the present embodiment provides an operation method of an intelligent equal tension system of a magnetic flux sensor, comprising the following steps:
the method comprises the following steps: after the password is verified on the software operation interface of the intelligent pump station 3, a parameter force value is set, which specifically comprises the following steps: setting calibration parameters, setting safety parameters, setting working parameters and setting passwords;
step two: starting an intelligent pump station 3, selecting a tensioning mode as an intelligent tensioning oil pump mode, providing power for a tensioning jack 4 by using the intelligent pump station 3, connecting the tensioning jack 4 with a first steel strand 2 for tensioning, and tensioning in place according to a preset force value;
step three: the magnetic flux sensor 5 on the first steel strand 2 transmits the induced signal to the magnetic flux instrument 6, a reading module in the magnetic flux instrument 6 reads the signal and transmits the data to the PLC processing module of the intelligent pump station 3, the data is displayed on a software operation interface, and the data is used as a reference force value;
step four: utilizing the tensioning jack 4 to respectively tension the subsequent single steel strand 2, obtaining a tension value reading of the tensioning jack 4 through a PLC processing module of the intelligent pump station 3, judging whether the actually measured cable force is more than or equal to a reference force value in the step three for the actually measured cable force, if the actually measured cable force is less than the reference force value, tensioning the single steel strand 2 again until the actually measured cable force is more than or equal to the reference force value, if so, stopping the machine for pressure maintaining, then unloading and returning, and tensioning the next steel strand 2 until all the steel strands are completely installed.
According to the intelligent equal-tension system of the magnetic flux sensor and the operation method thereof, the intelligent pump station 3 is used for driving the tension jack 4, when the first steel strand 2 is tensioned, the tension is in place according to a preset force value, the magnetic flux sensor 5 on the first steel strand 2 is matched with the reading of the magnetic flux meter 6, the data is used as a reference force value, then when the subsequent steel strand is tensioned, the machine can be stopped and returned only by the condition that the reading of the tension force value of the tension jack 4 is more than or equal to the reference force value, the next steel strand 2 is tensioned again, so that the tension stress of each steel strand 2 is uniform, and the construction efficiency is improved.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a stretch-draw system such as magnetic flux sensor's intelligence, includes supporting cylinder (1), steel strand wires (2), intelligent pump station (3) and stretch-draw jack (4), its characterized in that: support cylinder (1) interior alternate insertion has steel strand wires (2), and steel strand wires (2) are equipped with many, the output of intelligence pump station (3) with stretch-draw jack (4) are connected, and stretch-draw end and one of stretch-draw jack (4) steel strand wires (2) are connected, first install magnetic flux sensor (5) on steel strand wires (2), and the signal output part of magnetic flux sensor (5) is connected with magnetic flux appearance (6), magnetic flux appearance (6) with intelligence pump station (3) are connected.
2. An intelligent equal tension system of magnetic flux sensor as claimed in claim 1, wherein: the intelligent pump station is characterized in that a PLC processing module and a software operation interface are arranged in the intelligent pump station (3), a reading module is arranged in the magnetic flux instrument (6), and the PLC processing module is connected with the reading module.
3. An intelligent equal tension system of magnetic flux sensor as claimed in claim 1, wherein: intelligence pump station (3) are including ordinary oil pump mode and intelligent stretch-draw oil pump mode, during ordinary oil pump mode, the stretch-draw speed is not restricted, and is adjustable, during the intelligent stretch-draw oil pump mode, aim at stretch-draw jack (4), stretch-draw first during steel strand wires (2), according to the power value that sets up in advance, stretch-draw targets in place, stretch-draw is follow-up during steel strand wires (2), work as the tension force value reading more than or equal to of stretch-draw jack (4) during the dynamometry reading of magnetic flux appearance (6), shut down promptly, the return stroke to stretch-draw once more.
4. An intelligent equal tension system of magnetic flux sensor as claimed in claim 1, wherein: the one end of a supporting cylinder (1) is equipped with anchor slab (7), and the one end of anchor slab (7) is equipped with stretch-draw support (8), steel strand wires (2) pass anchor slab (7) and stretch-draw support (8).
5. An operation method of an intelligent equal tension system of a magnetic flux sensor is characterized in that: the method comprises the following steps:
the method comprises the following steps: setting a parameter force value after a password is verified on a software operation interface of the intelligent pump station (3);
step two: starting an intelligent pump station (3), selecting a tensioning mode as an intelligent tensioning oil pump mode, providing power for a tensioning jack (4) by using the intelligent pump station (3), connecting the tensioning jack (4) with a first steel strand (2) for tensioning, and tensioning in place according to a preset force value;
step three: the magnetic flux sensor (5) on the first steel strand (2) transmits the induced signal to the magnetic flux instrument (6), a reading module in the magnetic flux instrument (6) reads the signal and then transmits the data to a PLC processing module of the intelligent pump station (3), the data is displayed on a software operation interface, and the data is used as a reference force value;
step four: and (3) respectively tensioning the subsequent single steel strand (2) by using the tensioning jack (4), obtaining a tension value reading of the tensioning jack (4) through a PLC processing module of the intelligent pump station (3), judging whether the actually measured cable force is more than or equal to a reference force value in the third step for the actually measured cable force, stopping the machine for pressure maintaining if the actually measured cable force is more than or equal to the reference force value, unloading and returning to stretch the next steel strand (2) until all the steel strands are completely installed.
6. The method of operating an intelligent equal tension system of a magnetic flux sensor as claimed in claim 5, wherein: in the first step, the setting of the parameter force value specifically comprises: calibration parameter setting, safety parameter setting, working parameter setting and password setting.
7. The method of operating an intelligent equal tension system of a magnetic flux sensor as claimed in claim 5, wherein: in the fourth step, if the actually measured cable force is smaller than the reference force value in the third step, the single steel strand (2) is tensioned again until the actually measured cable force is larger than or equal to the reference force value in the third step.
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| CN201911033176.6A CN110847040A (en) | 2019-10-28 | 2019-10-28 | Intelligent equal-tension system of magnetic flux sensor and operation method thereof |
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| CN201911033176.6A CN110847040A (en) | 2019-10-28 | 2019-10-28 | Intelligent equal-tension system of magnetic flux sensor and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI754411B (en) * | 2020-05-20 | 2022-02-01 | 陳耀章 | Pre-stressed cable testing method for old bridge slings |
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Inventor after: Deng Nianchun Inventor after: Cheng Huaqiang Inventor after: Xiao Mingzhao Inventor after: Liang Guanting Inventor after: Guo Xiao Inventor before: Deng Nianchun Inventor before: Cheng Huaqiang Inventor before: Xiao Mingzhao Inventor before: Liang Guanting Inventor before: Guo Xiao |
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Application publication date: 20200228 |
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