CN208981163U - One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity - Google Patents
One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity Download PDFInfo
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- CN208981163U CN208981163U CN201821616153.9U CN201821616153U CN208981163U CN 208981163 U CN208981163 U CN 208981163U CN 201821616153 U CN201821616153 U CN 201821616153U CN 208981163 U CN208981163 U CN 208981163U
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- flux transducer
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Abstract
The utility model discloses a kind of for parallel steel stranded wire stayed Cable Construction Cable Force uniformity monitoring system, it is characterized in that, top-pressing jack, magnetic flux transducer and the stretch-draw jack set gradually including steel strand stay cable rear end, it further include the multi-channel switch case being connect with magnetic flux transducer, the magnetic bullet instrument of cooperation multi-channel switch system acquisition data and the host computer in control multi-channel switch case switching monitoring channel；Top-pressing jack is installed on parallel steel stranded wire suspension cable moveable anchor rear end, and magnetic flux transducer is mounted on the steel strand wires between top-pressing jack and stretch-draw jack, and every steel strand wires install a magnetic flux transducer.When this system suspension cable integral tension, by the rope force value for monitoring each steel strand wires step by step, the uniformity between every steel strand wires is controlled, the cable force adjustment between every steel strand wires, high degree of automation are facilitated, it is high to control precision, cost of labor less investment, work efficiency is high, securely and reliably, it is easy to operate, it is convenient for standardized construction.
Description
Technical field
The utility model belongs to stayed Cable Construction Cable Force monitoring technical field, and in particular to one kind is twisted for parallel steel
Line stayed Cable Construction Cable Force uniformity monitors system.
Background technique
The group anchor cable that parallel steel stranded wire suspension cable is made of single anticorrosive steel strand, hangs using single steel strand
The form of rope, stretching single steel strand, uniformity when every steel strand tension of suspension cable lead to the deformation of bridge tower, beam.
Steel strand wires so as to cause previous tensioning are loose and Suo Li becomes smaller.As every steel strand wires according to total Suo Liping without equivalent tensioning,
The case where practice of construction Suo Li is not inconsistent with theory certainly will be will cause, the control precision of Suo Li is not achieved.To improve stayed Cable Construction
When control precision and Suo Li uniformity, design a kind of parallel steel stranded wire suspension cable using integral tension technique, utilize magnetic flux
Quantity sensor carries out the construction of every steel strand wires work progress monitoring.
Summary of the invention
The utility model for existing stayed Cable Construction stage steel strand wires discontinuity cause bridge tower, beam deformation ask
Topic provides a kind of for parallel steel stranded wire stayed Cable Construction Cable Force uniformity monitoring system.
The utility model adopts the following technical solutions to achieve above-mentioned purpose:
One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity, which is characterized in that including work
Make anchor slab, work clip sheet, top-pressing jack, magnetic flux transducer, stretch-draw jack, multi-channel switch case, magnetic bullet instrument and upper
Machine；The work anchor slab is through on steel strand stay cable, and work clip sheet is located on work anchor slab, and work anchor slab and work clip sheet are used
In fixed steel strand stay cable；The top-pressing jack is installed on work anchor slab rear end, for tensioning after the completion to work clip sheet
It is held out against；The stretch-draw jack is mounted on top-pressing jack rear end, the integral tension for steel strand stay cable；The magnetic
Flux sensor is mounted on the steel strand stay cable between top-pressing jack and stretch-draw jack, every steel strand stay cable peace
Fill a magnetic flux transducer；The multi-channel switch case is connected with magnetic bullet instrument, host computer, and multi-channel switch case and magnetic flux pass
Sensor is electrically connected；The multi-channel switch case cooperation magnetic bullet instrument carries out data acquisition to magnetic flux transducer.On in the system
Position machine can directly issue the computer of manipulation command, can control multi-channel switch case switching monitoring channel, realize to every steel
The acquisition of magnetic flux transducer data on twisted wire suspension cable.
Preferably, magnetic bullet instrument itself has operating platform and LCD display, can directly read.
The process for carrying out steel strand stay cable construction monitoring using this system is as follows: Step 1: parallel steel stranded wire suspension cable
Suo Li uniformity of constructing monitoring system installation；Step 2: determining 0~100%F of steel strand stay cable classification according to stretching rope power
Process is drawn, starts stretch-draw jack to parallel steel stranded wire drag-line entirety grading tension；Step 3: after every grade of stretching rope power load,
Within the dwell time, PC control multi-channel switch case switching monitoring channel monitors every steel by magnetic flux transducer and twists
The rope force value of line suspension cable as the control force value of tensioning, and records the rope force value of every steel strand stay cable；On Step 4:
Position machine reads the rope force value that magnetic flux transducer monitors by magnetic bullet instrument, presses " highway bridge and culvert construction technique normalizing " (JTG
TF50-2011 requirement) judges whether single steel strand inclined cable force value is qualified, unqualified, carries out step 5, otherwise into
Row step 6, the determination requirement are as follows: the difference of the rope force value of single steel strand suspension cable and average rope force value needs≤3%, often
The rope force value allowable error of root steel strand stay cable peer is ± 1%；Step 5: to underproof single steel strand inclined cable
Force value, compensating tensioning meets the requirements it；Step 6: start top-pressing jack after the completion of tensioning, top-pressing jack is by work
The work clip sheet made on anchor slab is held out against, and completes the anchoring of parallel steel stranded wire suspension cable；Step 7: unloading top-pressing jack, tensioning
Jack, magnetic flux transducer, multi-channel switch case, magnetic bullet instrument and host computer, slice off extra steel strand wires, complete parallel steel and twist
The tensioning of line suspension cable.
The beneficial effects of the utility model are:
1, the utility model solves traditional cable tension and is unable to monitor or can only monitor whole rope, cannot be directed to single steel
Twisted wire Suo Li was not provided which according to the problem of making cable force adjustment.
2, when the utility model steel strand stay cable integral tension, by monitoring the rope force value of each steel strand wires step by step,
The uniformity between every steel strand wires is controlled, when monitoring that a certain steel strand stay cable tensioning is unqualified, is compensated using tensioning
Jack carries out tensioning compensation, to guarantee that every steel strand stay cable is met the requirements.
3, the utility model is controlled and is acquired data by host computer, and the degree of automation and control precision are high, manually
Cost input is few, and work efficiency is high, securely and reliably, easy to operate, is convenient for standardized construction.
Detailed description of the invention
Fig. 1 is the utility model for parallel steel stranded wire stayed Cable Construction Cable Force uniformity monitoring system construction drawing.
In figure, 1, top-pressing jack；2, magnetic flux transducer；3, stretch-draw jack；4, multi-channel switch case；5, magnetic bullet
Instrument；6, host computer；7, work anchor slab；8, work clip sheet；9, steel strand stay cable.
Specific embodiment
1 pair of the utility model is described in detail with reference to the accompanying drawing.
Embodiment one:
As shown in Figure 1, a kind of monitor system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity, feature exists
In, including work anchor slab 7, work clip sheet 8, top-pressing jack 1, magnetic flux transducer 2, stretch-draw jack 3, multi-channel switch case
4, magnetic bullet instrument 5 and host computer 6；The work anchor slab 7 is through on steel strand stay cable 9, and work clip sheet 8 is located on work anchor slab 7,
Work anchor slab 7 and work clip sheet 8 are for fixing steel strand stay cable 9；The top-pressing jack 1 is installed on 7 rear end of work anchor slab,
For being held out against after the completion of tensioning to work clip sheet 8；The stretch-draw jack 3 is mounted on 1 rear end of top-pressing jack, is used for
The integral tension of steel strand stay cable 9；The magnetic flux transducer 2 is mounted between top-pressing jack 1 and stretch-draw jack 3
On steel strand stay cable 9, a magnetic flux transducer 2 is installed on every steel strand stay cable 9；The multi-channel switch case 4 with
Magnetic bullet instrument 5, host computer 6 are connected, and multi-channel switch case 4 and magnetic flux transducer 2 are electrically connected；The multi-channel switch case 4 is matched
It closes magnetic bullet instrument 5 and data acquisition is carried out to magnetic flux transducer 2；The host computer 6 is the calculating that can directly issue manipulation command
Machine can control the monitoring channel of the switching monitoring magnetic flux transducer 2 of multi-channel switch case 4.
The process for carrying out steel strand stay cable construction monitoring using this system is as follows: Step 1: parallel steel stranded wire suspension cable
Suo Li uniformity of constructing monitoring system installation；Step 2: determining 0~100%F points of steel strand stay cable 9 according to stretching rope power
Grade tension process, very heavy 3 top of starting tensioning is to the whole grading tension of parallel steel stranded wire drag-line 9；Step 3: every grade of stretching rope power adds
After load, within the dwell time, host computer 6 controls switching monitoring each magnetic flux transducer of channel monitoring of multi-channel switch case 4
2, by the rope force value of the every steel strand stay cable 9 monitored, as the control force value of tensioning, and record every steel strand wires oblique pull
The rope force value of rope 9；Step 4: host computer 6 reads the rope force value that magnetic flux transducer 2 monitors by magnetic bullet instrument 5, " highway is pressed
Bridges and culverts construction technique normalizing " requirement of (JTG TF50-2011) judges whether 9 rope force value of single steel strand suspension cable is qualified, no
It is qualified then carry out step 5, otherwise carry out step 6, the determination requirement are as follows: the rope force value of single steel strand suspension cable 9 and flat
The difference of equal rope force value needs≤3%, and every steel strand stay cable 9 rope force value allowable error at the same level is ± 1%；Step 5: right
Underproof 9 rope force value of single steel strand suspension cable, compensating tensioning meets the requirements it；Step 6: being opened after the completion of tensioning
Dynamic top-pressing jack 1, top-pressing jack 1 hold out against the work clip sheet 8 to work on anchor slab 7, complete parallel steel stranded wire suspension cable 9
Anchoring；Step 7: unloading top-pressing jack 1, stretch-draw jack 3, magnetic flux transducer 2, multi-channel switch case 4, magnetic bullet instrument 5
With host computer 6, extra steel strand stay cable 9 is sliced off, completes the tensioning of parallel steel stranded wire suspension cable 9.
Embodiment two:
Embodiment second is that advanced optimizing to embodiment one, the magnetic bullet instrument itself of use with operating platform and
LCD display can directly be read.
Claims (2)
1. for parallel steel stranded wire stayed Cable Construction Cable Force uniformity monitor system, which is characterized in that including work anchor slab,
Work clip sheet, top-pressing jack, magnetic flux transducer, stretch-draw jack, multi-channel switch case, magnetic bullet instrument and host computer；It is described
Work anchor slab is through on steel strand stay cable, and work clip sheet is located on work anchor slab；The top-pressing jack is installed on work anchor
Plate rear end；The stretch-draw jack is mounted on top-pressing jack rear end；The magnetic flux transducer be mounted on top-pressing jack and
On steel strand stay cable between stretch-draw jack, every steel strand stay cable installs a magnetic flux transducer；The multi-pass
Road switch-box is connected with magnetic bullet instrument, host computer, and multi-channel switch case and magnetic flux transducer are electrically connected.
2. according to claim 1 monitor system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity, special
Sign is that the magnetic bullet instrument itself has operating platform and LCD display, can directly read.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616153.9U CN208981163U (en) | 2018-09-30 | 2018-09-30 | One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821616153.9U CN208981163U (en) | 2018-09-30 | 2018-09-30 | One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208981163U true CN208981163U (en) | 2019-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821616153.9U Active CN208981163U (en) | 2018-09-30 | 2018-09-30 | One kind monitoring system for parallel steel stranded wire stayed Cable Construction Cable Force uniformity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208981163U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457614A (en) * | 2018-09-30 | 2019-03-12 | 柳州欧维姆结构检测技术有限公司 | Parallel steel stranded wire stayed Cable Construction Suo Li uniformity monitors system and construction method |
| CN112240002A (en) * | 2019-07-17 | 2021-01-19 | 天津联东兴达科技有限公司 | Full-automatic hydraulic steel strand tractor |
| CN114062248A (en) * | 2021-11-02 | 2022-02-18 | 西南交通大学 | System and method for testing friction resistance value of free section of rock-soil anchor cable pipeline |
-
2018
- 2018-09-30 CN CN201821616153.9U patent/CN208981163U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109457614A (en) * | 2018-09-30 | 2019-03-12 | 柳州欧维姆结构检测技术有限公司 | Parallel steel stranded wire stayed Cable Construction Suo Li uniformity monitors system and construction method |
| CN112240002A (en) * | 2019-07-17 | 2021-01-19 | 天津联东兴达科技有限公司 | Full-automatic hydraulic steel strand tractor |
| CN114062248A (en) * | 2021-11-02 | 2022-02-18 | 西南交通大学 | System and method for testing friction resistance value of free section of rock-soil anchor cable pipeline |
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