CN111414020A - Adjustment system and adjustment method for wire structure inhaul cable and suspension cable - Google Patents

Adjustment system and adjustment method for wire structure inhaul cable and suspension cable Download PDF

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CN111414020A
CN111414020A CN202010352058.8A CN202010352058A CN111414020A CN 111414020 A CN111414020 A CN 111414020A CN 202010352058 A CN202010352058 A CN 202010352058A CN 111414020 A CN111414020 A CN 111414020A
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cable
tower
suspension
suspension cable
wire
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CN111414020B (en
Inventor
罗力军
杨蒙
胡帆
徐烨
余昆
黎念东
曹明明
彭旭民
曾德礼
位东升
马旭明
吴何
张美玲
王云
杨靖
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China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Bridge Science Research Institute Ltd
7th Engineering Co Ltd of MBEC
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China Railway Major Bridge Engineering Group Co Ltd MBEC
China Railway Bridge Science Research Institute Ltd
7th Engineering Co Ltd of MBEC
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    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D15/00—Control of mechanical force or stress; Control of mechanical pressure
    • G05D15/01—Control of mechanical force or stress; Control of mechanical pressure characterised by the use of electric means
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63J—DEVICES FOR THEATRES, CIRCUSES, OR THE LIKE; CONJURING APPLIANCES OR THE LIKE
    • A63J5/00—Auxiliaries for producing special effects on stages, or in circuses or arenas
    • A63J5/12—Apparatus for raising or lowering persons
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass

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  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

The application relates to a system and a method for adjusting a wire structure inhaul cable and a suspension cable, which belong to the technical field of wire structure construction and comprise the following steps: the wire structure unit comprises a first tower and a second tower which are arranged at intervals, a first anchor is fixed at the bottom of the first tower, a second anchor is fixed at the bottom of the second tower, a suspension cable is connected between the first tower and the second tower, a first inhaul cable is connected between the first tower and the first anchor, a second inhaul cable is connected between the second tower and the second anchor, and a wire adjusting unit comprises a wire adjusting device which is used for stretching and measuring cable force of the suspension cable, the first inhaul cable and the second inhaul cable. The wire adjustment unit is used for tensioning and measuring the wire force of the suspension cable, the first cable and the second cable, can control the line shapes of the suspension cable, the first cable and the second cable, can accurately control the wire force and ensures the accuracy of the wire force.

Description

Adjustment system and adjustment method for wire structure inhaul cable and suspension cable
Technical Field
The application relates to the technical field of wire structure construction, in particular to a wire structure inhaul cable and suspension cable adjusting system and method.
Background
With the development of the economic society, the application of the wiya system is gradually wide, the traditional wiya system can not meet the requirements of modern diversified performances, the development of the wiya system is large-scale and complex, the trend of the wiya system is more obvious, the height, the width and the span of a main structure in the wiya system are obviously increased, the design is very complex, the construction process in specific implementation is more complex, and the construction period is longer.
The wire rope and the suspension cable of the wire system are the most important components in the whole wire system, a program performer hangs on the suspension cable to perform, and in order to ensure the safety of the performer and the satisfactory and smooth completion of the performed program, the suspension cable must be strictly installed at a specified position and has enough safety reserve; the guy cable is the most important structure for adjusting the internal force and the line shape of the main tower and ensuring the safety of the whole Weiya structure; therefore, in the construction of the Weiya structure, the control of the internal force and the linear shape of the suspension cable and the control of the internal force of the inhaul cable are a key point, and the technical research and the system equipment research and development in the related aspects are less at present.
The Wiya system, particularly the Wiya structure construction related aspect spanning the whole large-scale stadium main structure, has very few targeted researches; the research on the control of the internal force and the linear shape of the suspension cable and the control of the internal force of the inhaul cable in the Wiya structure construction is not found temporarily. The problem how to intelligently, quickly, accurately and safely adjust the internal force of the suspension cable, the line shape and the internal force of the inhaul cable in the construction of the Weiya structure needs to be solved urgently.
Disclosure of Invention
The embodiment of the application provides a system and a method for adjusting a wire rope and a suspension cable of a wire structure, and aims to solve the problem that how to intelligently, quickly, accurately and safely adjust the internal force and the linear shape of the suspension cable and the internal force of the suspension cable in the wire structure construction in the prior art.
A first aspect of an embodiment of the present application provides an adjusting system for a wire rope and a suspension cable, including:
the system comprises a Weiya structure unit, a first tower, a second tower, a first anchor and a second anchor, wherein the first anchor and the second anchor are positioned on two sides of the first tower and the second tower;
the wire adjusting unit comprises a plurality of sets of wire adjusting devices, a first set of wire adjusting devices is arranged between a first tower and the suspension cable, a second set of wire adjusting devices is arranged between a second tower and the suspension cable, a third set of wire adjusting devices is arranged between the first cable and the first anchor, a fourth set of wire adjusting devices is arranged between the second cable and the second anchor, and the wire adjusting devices are used for tensioning and measuring cable forces of the suspension cable, the first cable and the second cable.
In some embodiments: the Weiya adjusting device comprises an intelligent tensioning jack, a force measuring sensor, a temperature sensor and a controller, the intelligent tensioning jack is used for tensioning a suspension cable, a first inhaul cable or a second inhaul cable to a set cable force, the force measuring sensor is used for measuring the cable force of the suspension cable, the first inhaul cable or the second inhaul cable, the temperature sensor is used for measuring the temperature of the suspension cable, the first inhaul cable or the second inhaul cable, the controller is electrically connected with the intelligent tensioning jack, the force measuring sensor and the temperature sensor respectively, and the controller is used for controlling the pressure of the intelligent tensioning jack and displaying the cable force and the temperature of the suspension cable, the first inhaul cable or the second inhaul cable.
In some embodiments: the wire adjustment device further comprises a wireless data transmission module and a computer device, wherein the wireless data transmission module is electrically connected with the controller, and the wireless data transmission module is used for wirelessly transmitting the cable force monitored by the force measuring sensor and the temperature data monitored by the temperature sensor to the computer device.
In some embodiments: the intelligent tensioning jack is a hydraulic jack, the hydraulic jack is anchored with the suspension cable, the first cable or the second cable through an anchor head, the force measuring sensor is a center-penetrating dynamometer, and the center-penetrating dynamometer is connected with the suspension cable, the first cable or the second cable through the anchor head.
In some embodiments: the top of first pylon is equipped with first displacement sensor, first displacement sensor is used for measuring the swing displacement at first pylon top, the top of second pylon is equipped with second displacement sensor, second displacement sensor is used for measuring the swing displacement at second pylon top, the middle part of suspension cable is equipped with third displacement sensor, third displacement sensor is used for measuring the elevation of suspension cable, first displacement sensor, second displacement sensor and third displacement sensor all are connected with the controller, the controller is connected with wireless data transmission module, wireless data transmission module is used for transmitting the displacement data wireless of first displacement sensor, second displacement sensor and third displacement sensor to computer unit.
In some embodiments: the suspension cables, the first pull cables or the second pull cables are all provided with a plurality of suspension cables, and the suspension cables, the first pull cables or the second pull cables are arranged in parallel and at intervals along the width direction of the first tower and the second tower.
A second aspect of the embodiments of the present application provides a method for adjusting a adjustment system of a wire rope and a suspension cable, the method including the steps of:
grouping a plurality of suspension cables, a plurality of first pull cables and a plurality of second pull cables along the width direction of a first tower and a second tower, wherein the plurality of first pull cables and the plurality of second pull cables are symmetrically arranged, two adjacent first pull cables, two adjacent second pull cables and three adjacent suspension cables form a group, and the first pull cables and the second pull cables are arranged between the two adjacent suspension cables;
respectively and synchronously tensioning a first pair of symmetrically arranged first guy cable and second guy cable by using a Weiya adjusting device, anchoring the first guy cable on a first anchor and a first tower, anchoring the second guy cable on a second anchor and a second tower, wherein the tensioning control forces of the first guy cable and the second guy cable are all
Figure BDA0002472195610000031
Tension control force obtained by correcting and calculating the stay cable according to the temperature of the cable bodyControlling the error of the tension control force within the range of 2 KN;
tensioning a first suspension cable by using a wire adjusting device, anchoring the first suspension cable on a first tower and a second tower, and controlling the tensioning force of the suspension cable to be
Figure BDA0002472195610000032
The tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
tensioning a second suspension cable by using a Veia adjusting device, anchoring the second suspension cable on the first tower and the second tower, and controlling the tensioning force of the suspension cable to be
Figure BDA0002472195610000033
The tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
respectively and synchronously tensioning a second pair of symmetrically arranged first guy cable and second guy cable by using a Weiya adjusting device, anchoring the first guy cable on a first anchor and a first tower, anchoring the second guy cable on a second anchor and a second tower, wherein the tensioning control forces of the first guy cable and the second guy cable are all
Figure BDA0002472195610000041
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
tensioning a third suspension cable by using a Weiya adjusting device, anchoring the third suspension cable on the first tower and the second tower, and controlling the tensioning force of the suspension cable to be
Figure BDA0002472195610000042
The tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
measuring the swing displacement of the tops of the first tower and the second tower, judging whether the swing displacement of the tops of the first tower and the second tower is within a set range, if so, entering the next step, and if not, adjusting the tension control force of the first guy cable and the second guy cable until the requirements are met;
measuring the elevation of the suspension cable, judging whether the elevation of the suspension cable is in a set range, if so, entering the next step, and if not, adjusting the tension control force of the suspension cable until the design requirement is met;
synchronously tensioning two pairs of first and second cables which are symmetrically arranged by using a Weiya adjusting device, wherein the tensioning control forces of the first and second cables are both
Figure BDA0002472195610000043
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body;
synchronously tensioning three suspension cables by utilizing a Weiya adjusting device, wherein the tensioning control force of the suspension cables is
Figure BDA0002472195610000044
The tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body;
measuring the swing displacement of the tops of the first tower and the second tower, judging whether the swing displacement of the tops of the first tower and the second tower is within a set range, if so, entering the next step, and if not, adjusting the tension control force of the first guy cable and the second guy cable until the design requirement is met;
measuring the elevation of the suspension cable, judging whether the elevation of the suspension cable is in a set range, if so, finishing, and otherwise, adjusting the tension control force of the suspension cable until the design requirement is met;
and repeating the steps, tensioning and anchoring the next group of the first inhaul cable, the second inhaul cable and the suspension cable until the completion.
In some embodiments: the method for judging whether the swing displacement of the tops of the first tower and the second tower is within a set range specifically comprises the following steps:
obtaining the swing displacement X of the top of the first tower90And a swinging displacement X of the top of the second tower91If | X90+X91| is less than or equal to 0.020m, and | X90Less than or equal to 0.040m, and X91Less than or equal to 0.040m, the top of the first tower and the second towerThe swing displacement is within a set range, if | X90+X91| > 0.020m, or | X90| > 0.040m, or | X91If | is greater than 0.040m, then adjust X90、X91The two side inhaul cables, the first inhaul cable and the second inhaul cable are adjusted simultaneously, and the control force is controlled according to
Figure BDA0002472195610000051
And adjusting, namely adjusting the speed to be 2KN/s until the adjustment requirement is met.
In some embodiments: the method for judging whether the elevation of the suspension cable is in a set range specifically comprises the following steps:
obtaining height Z of suspension cable92If, if
Figure BDA0002472195610000052
Figure BDA0002472195610000053
Calculating and correcting the elevation of the suspension cable for n times of monitoring temperature, wherein the elevation of the suspension cable is in a set range, and if the elevation of the suspension cable is within the set range
Figure BDA0002472195610000054
Figure BDA0002472195610000055
The elevation of the suspension cable is adjusted, and the control force is controlled according to
Figure BDA0002472195610000056
Adjusting the speed to 2KN/s until the design requirement is met;
Figure BDA0002472195610000057
Figure BDA0002472195610000058
designing a target elevation for the suspension cable at a reference temperature;
Figure BDA0002472195610000059
calculating and correcting elevation for the suspension cable at the monitoring temperature for n times;
Figure BDA00024721956100000510
monitoring the temperature for the suspension cable n times;
k1a span-mid elevation temperature correction coefficient of the suspension cable;
ΔDnmeasuring a span deviation change value for the suspension cable for n times;
k2a primary correction coefficient of a span-intermediate elevation change value and a span deviation change value of the suspension cable;
k3the secondary correction coefficient is the change value of the span-in elevation change and the span deviation of the suspension cable.
In some embodiments: the tension control force of the stay cable is obtained by correcting and calculating the temperature of the cable body:
Figure BDA00024721956100000511
in the formula:
T0is a design reference temperature;
Figure BDA00024721956100000512
monitoring the temperature for the nth time of the stay cable;
K30the temperature correction coefficient is the cable force temperature of the stay cable;
Figure BDA00024721956100000513
designing a tension control force at a reference temperature for the stay cable;
Figure BDA00024721956100000514
monitoring the tension control force of the guy cable after temperature correction for n times;
the suspension cable obtains tension control force according to cable body temperature correction calculation:
Figure BDA0002472195610000061
in the formula:
T0is a design reference temperature;
Figure BDA0002472195610000062
monitoring the temperature for the suspension cable for the nth time;
K32the temperature correction coefficient of the suspension cable force is obtained;
Figure BDA0002472195610000063
designing a tension control force at a reference temperature for the suspension cable;
Figure BDA0002472195610000064
and monitoring the tension control force of the suspension cable after temperature correction for n times.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a Weiya adjusting system and a adjusting method for a wire rope and a suspension cable, and the adjusting system is provided with a Weiya adjusting unit for tensioning and measuring the cable force of the suspension cable, a first cable and a second cable on a Weiya structure unit, so that the Weiya adjusting unit can not only tension and control the line shape of the suspension cable, the first cable and the second cable, but also accurately control the cable force of the suspension cable, the first cable and the second cable, and ensure the accuracy of the cable force.
Therefore, the adjustment efficiency of the Weiya structure is improved through intelligent operation, the manual observation, calculation and judgment in the adjustment process are avoided, the construction safety is improved, the adjustment accuracy is improved, the improvement of the construction quality of the whole Weiya structure and the reduction of the construction safety risk are finally realized, and the problems of low adjustment efficiency and accuracy of the Weiya structure and high safety risk in adjustment in the related technology are solved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a front view of the structure of an embodiment of the present application;
fig. 2 is a top view of the structure of an embodiment of the present application.
Reference numerals:
10-a computer device, 20-a first tower, 21-a second tower, 22-a first anchor, 23-a second anchor, 30-a first guy cable, 31-a second guy cable, 32-a suspension cable, 40-an intelligent tensioning jack, 50-a force measuring sensor, 60-a temperature sensor, 70-a controller, 80-a wireless data transmission module, 90-a first displacement sensor, 91-a second displacement sensor and 92-a third displacement sensor.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a system and a method for adjusting a wire rope and a suspension cable of a wire structure, and solves the problem in the prior art that how to intelligently, quickly, accurately and safely adjust the internal force and the linear shape of the suspension cable and the internal force of the cable in wire structure construction.
Referring to fig. 1 and 2, in a first aspect, an embodiment of the present application provides a adjustment system for a wire rope and a suspension rope, including:
the weya structural unit comprises a first tower 20 and a second tower 21 which are arranged at intervals, wherein the first tower 20 is positioned on the south side of a stadium, the first tower 20 is a steel truss structure, the height of the first tower 20 is 66.5m, the height of the second tower 21 is positioned on the north side of the stadium, and the height of the second tower 21 is 69.5 m. A first anchorage 22 is anchored at the bottom of the first tower 20, the first anchorage 22 is positioned in a direction away from the second tower 21, a second anchorage 23 is anchored at the bottom of the second tower 21, and the second anchorage 23 is positioned in a direction away from the first tower 20.
Suspension cables 32 are connected between the first tower 20 and the second tower 21, 28 suspension cables 32 are provided in a single layer, and the 28 suspension cables are arranged parallel to and spaced apart from each other in the width direction (i.e., the east-west direction) of the first tower 20 and the second tower 21. First guy cable 30 is connected between first pylon 21 and first anchorage 22, be connected with second guy cable 31 between second pylon 21 and the second anchorage 23, first guy cable 30 and second guy cable 31 all are equipped with 20, and 20 first guy cables 30 and 20 second guy cables 31 are parallel to each other and the interval sets up along the width direction (be east-west direction) of first pylon 20 and second pylon 21, and first guy cable 30 and second guy cable 31 are used for improving the structural strength of first pylon 20 and second pylon 21.
The wire adjusting unit comprises a plurality of sets of wire adjusting devices, a first set of wire adjusting devices are arranged between the first tower 20 and the suspension cable 32, a second set of wire adjusting devices are arranged between the second tower 21 and the suspension cable 32, two sets of wire adjusting devices are correspondingly arranged at two ends of one suspension cable 32, and the two sets of wire adjusting devices are used for accurately tensioning and controlling the linear shape of the suspension cable 32 together and measuring the cable force of the suspension cable 32. The third group of wire adjusting devices is arranged between the first guy cable 30 and the first anchorage 22 and is used for accurately tensioning and measuring the cable force of the first guy cable 30. And the fourth group of wire adjusting devices are arranged between the second guy cable 31 and the second anchorage 23 and are used for accurately tensioning and measuring the cable force of the second guy cable 31.
In some alternative embodiments: referring to fig. 1, the present embodiment provides a adjustment system for a wire rope and a suspension cable of a wire structure, and the adjustment system includes an intelligent tensioning jack 40, a load cell 50, a temperature sensor 60 and a controller 70. The intelligent tensioning jack 40 is preferably but not limited to a hydraulic jack, the hydraulic jack is anchored with the suspension cable, the first cable or the second cable through an anchor head, and the intelligent tensioning jack 40 correspondingly anchors the suspension cable 32, the first cable 30 and the second cable 31 with the first tower 20, the second tower 21, the first anchor 22 and the second anchor 23 after tensioning the suspension cable 32, the first cable 30 and the second cable 31 to the set cable force.
The load cell 50 is used for measuring the cable force of the suspension cable 32, the first cable 30 or the second cable 31, and the load cell 50 is preferably, but not limited to, a through-type dynamometer, and the through-type dynamometer is connected with the suspension cable 32, the first cable 30 and the second cable 31 through an anchor head. The temperature sensor 60 is used for measuring the temperature of the suspension cable 32, the first cable 30 and the second cable 31.
The controller 70 is electrically connected with the smart jack 40, the load cell 50 and the temperature sensor 60, respectively, and the controller 70 is used for controlling the pressure of the smart jack 40 and displaying the cable force and the temperature of the suspension cable 32, the first cable 30 or the second cable 31. The controller 70 comprises a calculation module and an alarm module, wherein the calculation module can correct the cable force of the suspension cable 32, the first cable 30 and the second cable 31 according to the temperature information of the suspension cable 32, the first cable 30 and the second cable 31 to obtain the tension control values of the suspension cable 32, the first cable 30 and the second cable 31, and the alarm module is used for monitoring the cable force of the suspension cable 32, the first cable 30 and the second cable 31 and giving an alarm when the cable force of the suspension cable 32, the first cable 30 and the second cable 31 exceeds a set threshold value. The controller 70 is also used for displaying the cable force and temperature information of the suspension cable 32, the first cable 30 and the second cable 31.
In some alternative embodiments: referring to fig. 1, the embodiment of the present application provides a adjustment system for a wire rope and a suspension cable of a wire structure, the adjustment system further includes a wireless data transmission module 80 and a computer device 10, the wireless data transmission module 80 is electrically connected to the controller 70, and the wireless data transmission module 80 is configured to wirelessly transmit cable force information monitored by the load cell 50 and temperature data monitored by the temperature sensor 60 to the computer device 10. The wireless data transmission module 80 can be a bluetooth module or a GPRS data transmission module, etc., which facilitates remote monitoring of constructors.
In some alternative embodiments: referring to fig. 1, the present embodiment provides a adjustment system for a wire rope and a suspension rope of a vea structure, a first displacement sensor 90 is arranged on the top of a first tower 20 of the adjustment system, the first displacement sensor 90 is used for measuring the swing displacement of the top of the first tower 20, 20 groups of the first displacement sensors 90 are arranged, and 20 groups of the first displacement sensors are correspondingly arranged at the connection position of the first rope 30 and the first tower 20.
And a second displacement sensor 91 is arranged at the top of the second tower 21, the second displacement sensor 91 is used for measuring the swing displacement of the top of the second tower 21, 20 groups of the second displacement sensors 91 are arranged, and the 20 groups of the second displacement sensors are correspondingly arranged at the connection part of the second cable 31 and the second tower 21.
The third displacement sensor 92 is arranged in the middle of the suspension cable 32, the third displacement sensor 92 is used for measuring the elevation of the suspension cable 32, 28 groups of the third displacement sensors 92 are arranged in 28 groups, and the 28 groups of the third displacement sensors 92 are respectively arranged in the middle of the 28 suspension cables 32. The controller 70 is connected to each of the first displacement sensor 90, the second displacement sensor 91, and the third displacement sensor 92, and the controller 70 acquires displacement data of the first displacement sensor 90, the second displacement sensor 91, and the third displacement sensor 92. The controller 70 is connected to a wireless data transmission module 80, and the wireless data transmission module 80 is used for wirelessly transmitting the displacement data of the first displacement sensor 90, the second displacement sensor 91 and the third displacement sensor 92 to the computer device 10.
Referring to fig. 1 and 2, a second aspect of the embodiments of the present application provides a method for adjusting a adjustment system of a wire rope and a suspension cable, the method comprising the steps of:
step 1, 29 suspension cables 32, 20 first stay cables 30 and 20 second stay cables 31 are grouped along the width direction of the first tower 20 and the second tower 21, the 20 first stay cables 30 and the 20 second stay cables 31 are symmetrically arranged, two adjacent first stay cables 30, two adjacent second stay cables 31 and three adjacent suspension cables 32 form a group, and the first stay cables 30 and the second stay cables 31 are arranged between the two adjacent suspension cables 32.
Step 2, synchronously tensioning a first pair of symmetrically arranged first guy cable 30 and second guy cable 31 by using a Weiya adjusting device, respectively, anchoring the first guy cable 30 on the first guy anchor 22 and the first tower 20, anchoring the second guy cable 31 on the second guy anchor 23 and the second tower 21, wherein the tensioning control forces of the first guy cable 30 and the second guy cable 31 are both
Figure BDA0002472195610000101
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN.
Step 3, tensioning the first suspension cable 32 by using a wire adjusting device, anchoring the first suspension cable 32 on the first tower 20 and the second tower 21, and controlling the tensioning force of the suspension cable 32 to be
Figure BDA0002472195610000102
The tension control force is obtained by correcting and calculating the suspension cable 32 according to the cable body temperature, and the tension control force error is controlled within the range of 2 KN.
Step 4, tensioning the second suspension cable 32 by using a Weiya adjusting device, anchoring the second suspension cable 32 on the first tower frame 20 and the second tower frame 21, and controlling the tensioning force of the suspension cable 32 to be
Figure BDA0002472195610000103
The tension control force is obtained by correcting and calculating the suspension cable 32 according to the cable body temperature, and the tension control force error is controlled within the range of 2 KN.
Step 5, synchronously tensioning a second pair of symmetrically arranged first guy cable 30 and second guy cable 31 by using a Weiya adjusting device, respectively, anchoring the first guy cable 30 on the first guy anchor 22 and the first tower 20, anchoring the second guy cable 31 on the second guy anchor 23 and the second tower 21, wherein the tensioning control forces of the first guy cable 30 and the second guy cable 31 are both
Figure BDA0002472195610000104
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN.
Step 6, utilize WeiThe sub-adjusting device stretches the third suspension cable 32 and anchors the third suspension cable 32 on the first tower 20 and the second tower 21, and the stretching control force of the suspension cable 32 is
Figure BDA0002472195610000105
The tension control force is obtained by correcting and calculating the suspension cable 32 according to the cable body temperature, and the tension control force error is controlled within the range of 2 KN.
And 7, measuring the swing displacement of the tops of the first tower 20 and the second tower 21, judging whether the swing displacement of the tops of the first tower 20 and the second tower 21 is within a set range, if so, entering the next step, and if not, adjusting the tension control force of the first guy cable 30 and the second guy cable 31 until the requirements are met.
And 8, measuring the elevation of the suspension cable 32, judging whether the elevation of the suspension cable 32 is in a set range, if so, entering the next step, and otherwise, adjusting the tension control force of the suspension cable 32 until the design requirement is met.
Step 9, synchronously tensioning two pairs of first cables 30 and second cables 31 which are symmetrically arranged by using a Weiya adjusting device, wherein the tensioning control forces of the first cables 30 and the second cables 31 are both
Figure BDA0002472195610000111
Figure BDA0002472195610000112
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body.
Step 10, synchronously tensioning three suspension cables 32 by utilizing a Weiya adjusting device, wherein the tensioning control force of the suspension cables 32 is
Figure BDA0002472195610000113
And the tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body.
And 11, measuring the swing displacement of the tops of the first tower 20 and the second tower 21, judging whether the swing displacement of the tops of the first tower 20 and the second tower 21 is within a set range, if so, entering the next step, and if not, adjusting the tension control force of the first guy cable 30 and the second guy cable 31 until the design requirement is met.
And step 12, measuring the elevation of the suspension cable 32, judging whether the elevation of the suspension cable 32 is in a set range, if so, finishing, and otherwise, adjusting the tension control force of the suspension cable 32 until the design requirement is met.
And 13, repeating the steps 2 to 12, and tensioning and anchoring the next group of the first pull cables 30, the second pull cables 31 and the suspension cables 32 until the completion.
In some alternative embodiments: the embodiment of the application provides an adjusting method of a wire structure inhaul cable and suspension cable adjusting system, wherein the method judges whether the swing displacement of the tops of a first tower 20 and a second tower 21 is within a set range in step 7 and step 11, and specifically comprises the following steps:
obtaining the oscillatory displacement X of the top of the first tower 2090And a swinging displacement X of the top of the second tower 2191The direction is south-facing, the direction is north-facing, and if | X ″, the direction is south-facing "+"90+X91| is less than or equal to 0.020m, and | X90Less than or equal to 0.040m, and X91If the | is less than or equal to 0.040m, the swing displacement of the tops of the first tower frame and the second tower frame is within a set range; if | X90+X91| > 0.020m, or | X90| > 0.040m, or | X91If | is greater than 0.040m, then adjust X90、X91Two side cables, if X90＝-0.05m，X91When X is 0.05m, the first and second wires 30 and 31 unload the tension control force at the same time90＝-0.01m，X91When the tension control force is not applied to the second cable 31, X is 0.05m, the second cable unloads the tension control force90＝-0.05m，X91When the distance is equal to 0.01m, the first cable 30 releases the tension control force according to the control force
Figure BDA0002472195610000121
And adjusting, namely adjusting the speed to be 2KN/s until the adjustment requirement is met.
In some alternative embodiments: the embodiment of the application provides an adjusting method of a adjustment system of a wire structure inhaul cable and a suspension cable, wherein the method comprises the following steps of judging whether the elevation of the suspension cable 32 is in a set range in step 8 and step 12:
obtaining elevation Z of suspension cable 3292If, if
Figure BDA0002472195610000122
Figure BDA0002472195610000123
The elevation of the suspension cable 32 is within the set range if the elevation is calculated and corrected for the suspension cable under the monitoring temperature for n times
Figure BDA0002472195610000124
Figure BDA0002472195610000125
The elevation of the suspension cable 32 is adjusted and the control force is controlled in accordance with each
Figure BDA0002472195610000126
Adjusting the speed to 2KN/s until the design requirement is met;
Figure BDA0002472195610000127
Figure BDA0002472195610000128
designing a target elevation for the suspension cable at a reference temperature;
Figure BDA0002472195610000129
calculating and correcting elevation for the suspension cable at the monitoring temperature for n times;
Figure BDA00024721956100001210
monitoring the temperature for the suspension cable n times;
k1a span-mid elevation temperature correction coefficient of the suspension cable;
ΔDnmeasuring a span deviation change value for the suspension cable for n times;
k2a primary correction coefficient of a span-intermediate elevation change value and a span deviation change value of the suspension cable;
k3the secondary correction coefficient is the change value of the span-in elevation change and the span deviation of the suspension cable.
In some alternative embodiments: the embodiment of the application provides an adjusting method of a adjusting system of a wire structure inhaul cable and a suspension cable, wherein the inhaul cable of the method obtains a tension control force according to cable body temperature correction calculation:
Figure BDA00024721956100001211
in the formula:
T0is a design reference temperature;
Figure BDA0002472195610000131
monitoring the temperature for the nth time of the stay cable;
K30the temperature correction coefficient is the cable force temperature of the stay cable;
Figure BDA0002472195610000132
designing a tension control force at a reference temperature for the stay cable;
Figure BDA0002472195610000133
monitoring the tension control force of the guy cable after temperature correction for n times;
the suspension cable obtains tension control force according to cable body temperature correction calculation:
Figure BDA0002472195610000134
in the formula:
T0is a design reference temperature;
Figure BDA0002472195610000135
monitoring the temperature for the suspension cable for the nth time;
K32the temperature correction coefficient of the suspension cable force is obtained;
Figure BDA0002472195610000136
designing a tension control force at a reference temperature for the suspension cable;
Figure BDA0002472195610000137
and monitoring the tension control force of the suspension cable after temperature correction for n times.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A adjustment system for a wire rope and a suspension cable, comprising:
the wire-bond structure unit comprises a first tower (20), a second tower (21), a first anchor (22) and a second anchor (23) which are positioned on two sides of the first tower (20) and the second tower (21), a suspension cable (32) is connected between the first tower (20) and the second tower (21), a first cable (30) is connected between the first tower (20) and the first anchor (22), and a second cable (31) is connected between the second tower (21) and the second anchor (23);
the wire adjusting unit comprises a wire adjusting device, the wire adjusting device is provided with a plurality of groups, a first group of wire adjusting devices is arranged between a first tower (20) and a suspension cable (32), a second group of wire adjusting devices is arranged between a second tower (21) and the suspension cable (32), a third group of wire adjusting devices is arranged between a first cable (30) and a first anchor (22), a fourth group of wire adjusting devices is arranged between a second cable (31) and a second anchor (23), and the wire adjusting devices are used for tensioning and measuring cable forces of the suspension cable (32), the first cable (30) and the second cable (31).
2. A adjustment system for wire and wire ropes according to claim 1, wherein:
the Weiya adjusting device comprises an intelligent tensioning jack (40), a load cell (50), a temperature sensor (60) and a controller (70), the intelligent tensioning jack (40) is used for tensioning the suspension cable (32), the first inhaul cable (30) or the second inhaul cable (31) to a set cable force, the force measuring sensor (50) is used for measuring the cable force of the suspension cable (32), the first cable (30) or the second cable (31), the temperature sensor (60) is used for measuring the temperature of the suspension cable (32), the first cable (30) or the second cable (31), the controller (70) is respectively and electrically connected with the intelligent tensioning jack (40), the force measuring sensor (50) and the temperature sensor (60), the controller (70) is used for controlling the pressure of the intelligent tensioning jack (40), and displaying the cable force and temperature of the suspension cable (32), the first cable (30) or the second cable (31).
3. A adjustment system for wire and wire ropes according to claim 2, wherein:
the wire adjustment device further comprises a wireless data transmission module (80) and a computer device (10), wherein the wireless data transmission module (80) is electrically connected with the controller (70), and the wireless data transmission module (80) is used for wirelessly transmitting the cable force monitored by the load cell (50) and the temperature data monitored by the temperature sensor (60) to the computer device (10).
4. A adjustment system for wire and wire ropes according to claim 2, wherein:
intelligence stretch-draw jack (40) are hydraulic jack, and hydraulic jack passes through anchor head and span wire (32), first cable (30) or second cable (31) anchorage, force cell sensor (50) are the formula of punching dynamometer, the formula of punching dynamometer passes through the anchor head and is connected with span wire (32), first cable (30) or second cable (31).
5. A adjustment system for wire and wire ropes according to claim 1, wherein:
the top of first pylon (20) is equipped with first displacement sensor (90), first displacement sensor (90) are used for measuring the swing displacement at first pylon (20) top, the top of second pylon (21) is equipped with second displacement sensor (91), second displacement sensor (91) are used for measuring the swing displacement at second pylon (21) top, the middle part of suspension cable (32) is equipped with third displacement sensor (92), third displacement sensor (92) are used for measuring the elevation of suspension cable (32), first displacement sensor (90), second displacement sensor (91) and third displacement sensor (92) all are connected with controller (70), controller (70) are connected with wireless data transmission module (80), wireless data transmission module (80) are used for transmitting the displacement data of first displacement sensor (90), second displacement sensor (91) and third displacement sensor (92) to computer wireless transmission A device (10).
6. A adjustment system for wire and wire ropes according to claim 1, wherein:
the suspension cables (32), the first pull cables (30) or the second pull cables (31) are all provided with a plurality of suspension cables (32), the first pull cables (30) or the second pull cables (31) are arranged in parallel and at intervals along the width direction of the first tower (20) and the second tower (21).
7. A method of adjusting a wire rope or wire rope system according to any one of claims 1 to 6, the method comprising the steps of:
grouping a plurality of suspension cables (32), a plurality of first pull cables (30) and a plurality of second pull cables (31) along the width direction of a first tower (20) and a second tower (21), wherein the plurality of first pull cables (30) and the plurality of second pull cables (31) are symmetrically arranged, two adjacent first pull cables (30), two adjacent second pull cables (31) and three adjacent suspension cables (32) form a group, and the first pull cables (30) and the second pull cables (31) are arranged between the two adjacent suspension cables (32);
respectively synchronously tensioning a first pair of symmetrically arranged first guy cable (30) and second guy cable (31) by using a Weiya adjusting device, anchoring the first guy cable (30) on a first anchor (22) and a first tower (20), anchoring the second guy cable (31) on a second anchor (23) and a second tower (21), wherein the tensioning control forces of the first guy cable (30) and the second guy cable (31) are the same
Figure FDA0002472195600000031
Figure FDA0002472195600000032
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
a first suspension cable (32) is tensioned by using a wire adjusting device, the first suspension cable (32) is anchored on the first tower (20) and the second tower (21), and the tensioning control force of the suspension cable (32) is
Figure FDA0002472195600000033
Figure FDA0002472195600000034
The tension control force is obtained by the suspension cable (32) according to the cable body temperature correction calculation, and the tension control force error is controlled within the range of 2 KN;
tensioning the second suspension cable (32) by using a wire adjusting device, anchoring the second suspension cable (32) on the first tower (20) and the second tower (21), and controlling the tensioning force of the suspension cable (32)
Figure FDA0002472195600000035
Figure FDA0002472195600000036
The tension control force is obtained by the suspension cable (32) according to the cable body temperature correction calculation, and the tension control force error is controlled within the range of 2 KN;
respectively and synchronously tensioning a second pair of first guy cables (30) and second guy cables (31) which are symmetrically arranged by using a Weiya adjusting device, anchoring the first guy cables (30) on a first anchor (22) and a first tower (20), anchoring the second guy cables (31) on a second anchor (23) and a second tower (21), wherein the tensioning control forces of the first guy cables (30) and the second guy cables (31) are respectively
Figure FDA0002472195600000037
Figure FDA0002472195600000038
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body, and the error of the tension control force is controlled within the range of 2 KN;
a third suspension cable (32) is tensioned by using a wire adjusting device, the third suspension cable (32) is anchored on the first tower (20) and the second tower (21), and the tensioning control force of the suspension cable (32) is
Figure FDA0002472195600000041
Figure FDA0002472195600000042
The tension control force is obtained by the suspension cable (32) according to the cable body temperature correction calculation, and the tension control force error is controlled within the range of 2 KN;
measuring the swing displacement of the tops of the first tower (20) and the second tower (21), judging whether the swing displacement of the tops of the first tower (20) and the second tower (21) is within a set range, if so, entering the next step, and otherwise, adjusting the tension control force of the first cable (30) and the second cable (31) until the requirements are met;
measuring the elevation of the suspension cable (32), judging whether the elevation of the suspension cable (32) is in a set range, if so, entering the next step, and if not, adjusting the tension control force of the suspension cable (32) until the design requirement is met;
two pairs of first inhaul cables (30) and second inhaul cables (31) which are symmetrically arranged are synchronously tensioned by using a Weiya adjusting device, and the tensioning control forces of the first inhaul cables (30) and the second inhaul cables (31) are all the same
Figure FDA0002472195600000043
Figure FDA0002472195600000044
The tension control force is obtained by correcting and calculating the stay cable according to the temperature of the cable body;
three suspension cables (32) are synchronously tensioned by using a Weiya adjusting device, and the tensioning control force of the suspension cables (32) is
Figure FDA0002472195600000045
Figure FDA0002472195600000046
The tension control force is obtained by correcting and calculating the suspension cable according to the temperature of the cable body;
measuring the swing displacement of the tops of the first tower (20) and the second tower (21), judging whether the swing displacement of the tops of the first tower (20) and the second tower (21) is within a set range, if so, entering the next step, and if not, adjusting the tension control force of the first guy cable (30) and the second guy cable (31) until the design requirement is met;
measuring the elevation of the suspension cable (32), judging whether the elevation of the suspension cable (32) is in a set range, if so, finishing, and otherwise, adjusting the tension control force of the suspension cable (32) until the design requirement is met;
and repeating the steps, and tensioning and anchoring the next group of the first cable (30), the second cable (31) and the suspension cable (32) until the completion.
8. A method of adjusting a wire rope and a suspension cable according to claim 7,
the judging whether the swing displacement of the tops of the first tower (20) and the second tower (21) is within a set range specifically comprises the following steps:
obtaining a swing displacement X of the top of the first tower (20)90And a swinging displacement X of the top of the second tower (21)91If | X90+X91| is less than or equal to 0.020m, and | X90Less than or equal to 0.040m, and X91If | is less than or equal to 0.040m, the swing displacement of the top of the first tower (20) and the second tower (21) is within a set range, and if | X90+X91| > 0.020m, or | X90| > 0.040m, or | X91If | is greater than 0.040m, then adjust X90、X91The cables on both sides, the first cable (30) and the second cable (31) are adjusted simultaneously, and the control force is according to
Figure FDA0002472195600000051
Adjusting at a speed of 2KN/sTo meet the adjustment requirements.
9. A method of adjusting a wire rope and a suspension cable according to claim 7,
the method for judging whether the elevation of the suspension cable (32) is in a set range specifically comprises the following steps:
obtaining the elevation Z of the suspension cable (32)92If, if
Figure FDA0002472195600000052
Figure FDA0002472195600000053
The elevation of the suspension cable (32) is within a set range if the elevation is calculated and corrected for the suspension cable under the monitoring temperature for n times
Figure FDA0002472195600000054
The elevation of the suspension cable (32) is adjusted, the force being controlled in accordance with each time
Figure FDA0002472195600000055
Adjusting the speed to 2KN/s until the design requirement is met;
Figure FDA0002472195600000056
in the formula:
Figure FDA0002472195600000057
designing a target elevation for the suspension cable at a reference temperature;
Figure FDA0002472195600000058
calculating and correcting elevation for the suspension cable at the monitoring temperature for n times;
Figure FDA0002472195600000059
to hang inMonitoring the temperature for n times;
k1a span-mid elevation temperature correction coefficient of the suspension cable;
ΔDnmeasuring a span deviation change value for the suspension cable for n times;
k2a primary correction coefficient of a span-intermediate elevation change value and a span deviation change value of the suspension cable;
k3the secondary correction coefficient is the change value of the span-in elevation change and the span deviation of the suspension cable.
10. A method of adjusting a wire rope and a suspension cable according to claim 7,
the tension control force of the stay cable is obtained by correcting and calculating the temperature of the cable body:
Figure FDA00024721956000000510
in the formula:
T0is a design reference temperature;
Figure FDA0002472195600000061
monitoring the temperature for the nth time of the stay cable;
K30the temperature correction coefficient is the cable force temperature of the stay cable;
Figure FDA0002472195600000062
designing a tension control force at a reference temperature for the stay cable;
Figure FDA0002472195600000063
monitoring the tension control force of the guy cable after temperature correction for n times;
the suspension cable obtains tension control force according to cable body temperature correction calculation:
Figure FDA0002472195600000064
in the formula:
T0is a design reference temperature;
Figure FDA0002472195600000065
monitoring the temperature for the suspension cable for the nth time;
K32the temperature correction coefficient of the suspension cable force is obtained;
Figure FDA0002472195600000066
designing a tension control force at a reference temperature for the suspension cable;
Figure FDA0002472195600000067
and monitoring the tension control force of the suspension cable after temperature correction for n times.
CN202010352058.8A 2020-04-28 Adjustment system and adjustment method for Weiya-structure inhaul cable and suspension cable Active CN111414020B (en)

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