CN101672743B - Simulation test estimation system and test method for construction of inner stayguy suspended holding rod split tower - Google Patents
Simulation test estimation system and test method for construction of inner stayguy suspended holding rod split tower Download PDFInfo
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- CN101672743B CN101672743B CN2009100675843A CN200910067584A CN101672743B CN 101672743 B CN101672743 B CN 101672743B CN 2009100675843 A CN2009100675843 A CN 2009100675843A CN 200910067584 A CN200910067584 A CN 200910067584A CN 101672743 B CN101672743 B CN 101672743B
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Abstract
The invention relates to a simulation test estimation system and a test method for the construction of an inner stayguy suspended holding rod split tower. The simulation estimation test system for the construction of the inner stayguy suspended holding rod split tower is characterized by comprising a laboratory reduced scale model test system, a simulation test system and an evaluation analysis module, wherein the laboratory reduced scale model test system comprises a tri-dimensional reduced scale tower entity model, a holding rod subsystem, a pulley subsystem, a braking subsystem, a pull wire subsystem, a traction subsystem and a dynamometer, wherein the simulation test system carries out the three-dimensional modeling on a construction process via modeling software; and the evaluation analysis module evaluates and analyzes the tower construction simulation data through calling the test data output from the laboratory reduced scale model test system and the simulation test system by using an evaluation method of structural dynamics to obtain the worst load carrying condition of each system in the construction process, evaluates dangerous links of the construction and finally generates a test report. The invention has the advantages of exact test data, high evaluation precision and saving test expenses; and the method is scientific and reasonable.
Description
Technical field
The present invention relates to transmission line of electricity split tower erection technical field of construction, be a kind of in backguy suspended holding pole split tower erection construction l-G simulation test evaluation system and test method that this pilot system adopted.
Background technology
Transmission line of electricity is the important lifeline of country, the electric transmission pole tower structure is as the main supporting member of transmission line of electricity carrying lead wire and earth wire, have highly big, cross over the flexible characteristics such as big of distance, rod member, determined the space assembly working of electric transmission pole tower structure to be subjected to the influence and the restriction of job space amount.Interior backguy suspended holding pole split tower erection is a group tower mode commonly used in China's group tower construction, and the group Tower System is made up of five subsystems, i.e. pole subsystem, backguy subsystem, traction subsystem, braking subsystem, pulley subsystem.The cooperation of five subsystems just can be finished the work of spatial group tower.Because the process of group tower is dynamic and the weight of being hung member also changes, therefore, the stressed of five subsystems is to change with the height rising of being hung member.But working-yard in reality, can't carry out real-time follow-up to the stressing conditions of five subsystems, thereby can't in work progress, dispatch the size of tractive force accurately, the size of damping force, the length of pole, this will cause the blindness of group tower construction, construction safety is caused certain potential threat, as: the pole accident that fractures when exceeding its utmost carrying ability, the bearing capacity of pole will take place, when the pulling force of backguy exceeds its utmost carrying ability with the backguy fracture accident, consequence is quite serious, and these potential construction accidents are unpredictable in the present group tower work progress of China.The experimental test of each subsystem though China can construct at the shaft tower testing field, but because whole piece circuit upper boom tower reaches thousands of bases, the bearingtest of constructing one by one is unpractical, to expend a large amount of human and material resources and financial resources, and the site operation bearingtest influences construction speed, and it is bigger to take the test site.
Therefore, how under the prerequisite that does not influence construction speed, utilize modernized emulation technology means and testing laboratory's scale (model) test technological means simulation group tower construction link, monitor and propose the evaluation analysis method in real time to five subsystems of group tower construction are stressed, accomplish fully to predict the working condition of each subsystem in the construction link, become the problem that solution is badly in need of in the construction of transmission line of electricity group tower.
Summary of the invention
The objective of the invention is provides a kind of test figure accurate in order to overcome the deficiency that prior art exists, and the evaluation precision height is saved the interior backguy suspended holding pole split tower erection construction l-G simulation test evaluation system of testing expenses; And provide scientific and reasonable test method.
The objective of the invention is to realize by following technical scheme:
Backguy split tower erection construction l-G simulation test evaluation system in a kind of, it is characterized in that: it comprises scale (model) test system of testing laboratory, emulation test system and evaluation analysis module;
Scale (model) test system of described testing laboratory comprises the dynamometer of three-dimensional reduced scale iron tower solid model, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem, record transmission data, and the described pole that is used to promote by tower crane material pole subsystem is fixed on three-dimensional iron tower solid model by the backguy subsystem; Described traction subsystem provides test required tractive force, the traction rope of traction subsystem, and the traction rope pile warp is hung member towards lower sheave and lower sheave to quilt; Described braking subsystem is braked control to construction progress at any time, brakes subsystem and comprises that climbing the root rope restricts with control, climbs the root rope and is hung the member lower end with controlling to restrict to be fixed on, and climbs root rope lower end and is fixed on ground; Described backguy subsystem is used for fixing the pole system, is divided into backguy and pull-down line; Described pulley subsystem is used to change the tractive force direction, is divided into towards top sheave, towards lower sheave and lower sheave, is fixed in the top of pole towards top sheave, is fixed on the pole bottom towards lower sheave, and lower sheave is fixed on ground; Described dynamometer is used to measure the stressed numerical value of traction subsystem, braking subsystem, backguy subsystem, pole subsystem, and with the numerical value real-time Transmission to emulation test system, on traction subsystem, braking subsystem, backguy subsystem, pole subsystem, all be fixed with dynamometer;
Described emulation test system carries out three-dimensional modeling by modeling software to work progress: described three-dimensional modeling comprise call three-dimensional iron tower numerical model, set up pole subsystem numerical model, pulley subsystem numerical model and backguy subsystem numerical model, dynamically apply tractive force and damping force relevant position in model, realize dynamic load, and carrying out the structural bearing capacity analysis, its analysis result is for the evaluation analysis module invokes;
Described evaluation analysis module, utilize the Structural Dynamics appraisal procedure by to calling through the test figure of scale (model) test system of testing laboratory and emulation test system output, iron tower construction emulated data is estimated and analyzed, draw the stressed least favorable situation of each system in the work progress, estimate the dangerous link of construction, finally generate test report.
The test method that backguy suspended holding pole split tower erection construction l-G simulation test evaluation system adopts in a kind of is:
A) set up testing laboratory's reduced scale solid model: according to the test needs, make the iron tower model of contraction scale, and combine with the practice of construction progress, to being numbered by the tower crane material, need in order to test, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem and dynamometer are installed;
B) laboratory test process: connect traction rope by trailer system, pass and be arranged in pole two pulleys up and down, connection is by the tower crane material, when trailer system produces tractive force, hung member and will be risen with the shortening of traction rope, reach corresponding lift-off position, the root rope is climbed in the brake system connection in this link, climb the root rope and connect, keep the balanced in plane attitude, in the construction simulation process by tower crane material afterbody, because the variation of being hung the member aerial statue, make the pole subsystem, the pulley subsystem, the braking subsystem, backguy subsystem and traction subsystem are stressed to be changed in time, and stress data is recorded by dynamometer, and carries connecting line by it and transfer to emulation test system;
C) emulation test system: the three-dimensional iron tower numerical model that from be stored in the tower database the system, accesses test usefulness, and set up pole subsystem model, pulley subsystem model, backguy subsystem model, tractive force and damping force are by the manual relevant position that is applied to model of testing crew, according to the test figure of construction simulation process gained, iron tower model is carried out Analysis of Bearing Capacity;
D) after the off-test, utilize the evaluation analysis module, adopt the Structural Dynamics analytical approach, the stressed material utmost carrying ability that whether exceeds of the iron tower that becomes during analysis and each system is judged the dangerous link of construction, and last evaluation analysis module generates test report automatically.
The advantage applies of backguy suspended holding pole split tower erection construction l-G simulation test evaluation system exists in of the present invention:
1. adopt testing laboratory's reduced scale pilot system, avoided outdoor large-scale experiment, reduced the site test land used, saved test tower material, reduced testing crew and arrange, finally saved testing expenses greatly.
2. adopted the l-G simulation test analytic system, strict guarantee analysis of experiments degree of accuracy makes test figure can accurately reflect the practice of construction situation.
3. adopt the bearing capacity of estimating each subsystem based on the evaluation analysis module of Structural Dynamics method.Evaluation result can accurately instruct the practice of construction link.
4. different with existing site test and computer simulation technique, the present invention combines laboratory test means and simulation calculation means, guarantees evaluation precision.
The test method that backguy suspended holding pole split tower erection construction l-G simulation test evaluation system adopts in of the present invention is scientific and reasonable.
Description of drawings
Fig. 1 is an interior backguy split tower erection construction l-G simulation test evaluation system block scheme of the present invention.
Fig. 2 is a testing laboratory of the present invention scale (model) test system layout.
Among the figure: scale (model) test system of 1 testing laboratory, 2 emulation test systems, 3 evaluation analysis modules, 4 three-dimensional iron tower model, 5 dynamometers, 6 traction ropes, 7 lower sheaves, 8 towards top sheave, and 9 are hung member, and 10 climb the root rope, 11 control ropes, 12 poles, backguy on 13,14 pull-down line, 15 towards lower sheave.
Embodiment
Below in conjunction with the drawings and specific embodiments the present invention is done detailed description.
In conjunction with the accompanying drawings 1 and 2, of the present invention in backguy split tower erection construction l-G simulation test evaluation system form by scale (model) test system of testing laboratory 1, emulation test system 2 and evaluation analysis module 3.
Scale (model) test system of described testing laboratory 1 comprises the dynamometer 5 of three-dimensional reduced scale iron tower solid model 4, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem and record transmission data.Described three-dimensional reduced scale iron tower solid model 4 adopts the manufacturing of organic glass reduced scale, and material property is as far as possible near the actual corners steel.Described pole subsystem, promptly pole 12 is made by hollow steel pipe.Pole 12 is fixed on the three-dimensional iron tower solid model 4 by the backguy subsystem, is used for promoting by the tower crane material.Described traction subsystem provides test required tractive force, the traction rope 6 of traction subsystem, and traction rope 6 pile warps are hung member 9 towards lower sheave 15 and lower sheave 7 to quilt.The traction subsystem utilizes put-put to drive traction rope 6.Described braking subsystem is braked control to construction progress at any time, and the braking subsystem comprises climbs root rope 10 and control rope 11, climbs root rope 10 and is fixed on the lower end of being hung member 9 with control rope 11, climbs root rope 10 lower ends and is fixed on ground.Described braking subsystem requires reduced scale to arrange according to practice of construction.Described backguy subsystem is used for fixing the pole system, is divided into backguy 13 and pull-down line 14, adopts nylon rope.Described pulley subsystem is used to change the tractive force direction, is divided into towards top sheave 8, towards lower sheave 15 and lower sheave 7, is fixed in the top of pole 12 towards top sheave 8, is fixed on pole 12 bottoms towards lower sheave 15, and lower sheave 7 is fixed on ground.Described dynamometer 5 is used to measure the stressed numerical value of traction subsystem, braking subsystem, backguy subsystem, pole subsystem, and with the numerical value real-time Transmission to emulation test system, on traction subsystem, braking subsystem, backguy subsystem, pole subsystem, all be fixed with dynamometer 5, dynamometer adopts the SH500 model, is the commercially available prod.
Described emulation test system 2 carries out three-dimensional modeling by modeling software to work progress: described three-dimensional modeling comprise call three-dimensional iron tower numerical model 4, set up pole subsystem numerical model, pulley subsystem numerical model and backguy subsystem numerical model, dynamically apply tractive force and damping force relevant position in model, realize dynamic load, and carrying out the structural bearing capacity analysis, its analysis result is for the evaluation analysis module invokes.
Described evaluation analysis module 3 is utilized the Structural Dynamics appraisal procedure, works out according to automatic technology and Computer Processing technology.By to calling through the test figure of scale (model) test system 1 of testing laboratory and emulation test system 2 outputs, iron tower construction emulated data is estimated and analyzed, draw the stressed least favorable situation of each system in the work progress, estimate the dangerous link of construction, finally generate test report.
When the backguy split tower erection was constructed the l-G simulation test evaluation system in the application: at first arrange the testing ground, described testing ground was according to practice of construction place size and according to topographical surveying data contraction scale making on the spot, simulation actual landform.Three-dimensional iron tower model 4 and pole subsystem, pulley subsystem, braking subsystem, backguy subsystem and traction subsystem model are installed, dynamometer 5 is installed, dynamometer 5 output lines are to computing machine.Start the emulation construction system, prepare to receive in real time data.Draw-off equipment connects traction rope 6, and traction rope 6 is connected to by lower sheave 7 with towards top sheave 8 and is hung member 9, and the member lower end connects climbs root rope 10 and control rope 11, and pole 12 is fixed on iron tower inside by last backguy 13 and pull-down line 14.The pole top is fixed with towards top sheave 8, and the pole bottom is fixed with towards lower sheave 15, and draw-off equipment starts, member begins lifting, climb the root rope and tighten up, behind the member built on stilts, suspend lifting, check comprehensively, the scope of examination comprises: whether the running of draw-off equipment is normal, and whether each colligation place is firm, and whether pulley everywhere rotates flexibly, check no abnormal after, continue lifting.The member lower end promote to surpass when having organized tower section upper end, suspends traction, eases out and climbs root rope 10, when member master material being aimed at organized the main material of tower section, eases out traction rope 6, until in place.Enter emulation test system 2, by modeling software work progress is carried out three-dimensional modeling, modeling software is worked out according to automatic technology and Computer Processing technology, promptly in computer system, with digital form work progress is carried out three-dimensional description, modeling work specifically has: call three-dimensional iron tower numerical model, set up pole subsystem numerical model, pulley subsystem numerical model, backguy subsystem numerical model.Dynamically apply tractive force and the damping force relevant position in model, realize dynamic load, and carry out the structural bearing capacity analysis, its analysis result is for the evaluation analysis module invokes.Enter evaluation analysis module 3, the evaluation analysis module is to utilize the Structural Dynamics appraisal procedure, work out according to automatic technology and Computer Processing technology, by to calling through the test figure of scale (model) test system of testing laboratory and emulation test system output, iron tower construction emulated data is estimated and analyzed, draw the stressed least favorable situation of each system in the work progress, estimate the dangerous link of construction, finally generate test report.
The test method that backguy suspended holding pole split tower erection construction l-G simulation test evaluation system adopts in of the present invention is:
A) set up testing laboratory's reduced scale solid model: according to the test needs, make the iron tower model of contraction scale, and combine with the practice of construction progress, to being numbered by the tower crane material, need in order to test, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem and dynamometer are installed;
B) laboratory test process: connect traction rope by trailer system, pass and be arranged in pole two pulleys up and down, connection is by the tower crane material, when trailer system produces tractive force, hung member and will be risen with the shortening of traction rope, reach corresponding lift-off position, the root rope is climbed in the brake system connection in this link, climb the root rope and connect, keep the balanced in plane attitude, in the construction simulation process by tower crane material afterbody, because the variation of being hung the member aerial statue, make the pole subsystem, the pulley subsystem, the braking subsystem, backguy subsystem and traction subsystem are stressed to be changed in time, and stress data is recorded by dynamometer, and carries connecting line by it and transfer to emulation test system;
C) emulation test system: the three-dimensional iron tower numerical model that from be stored in the tower database the system, accesses test usefulness, and set up pole subsystem model, pulley subsystem model, backguy subsystem model, tractive force and damping force are by the manual relevant position that is applied to model of testing crew, according to the test figure of construction simulation process gained, iron tower model is carried out Analysis of Bearing Capacity;
D) after the off-test, utilize the evaluation analysis module, adopt the Structural Dynamics analytical approach, the stressed material utmost carrying ability that whether exceeds of the iron tower that becomes during analysis and each system is judged the dangerous link of construction, and last evaluation analysis module generates test report automatically.
The model machine of the interior backguy suspended holding pole split tower erection construction l-G simulation test evaluation system that the inventor makes has been realized purpose of the present invention and has been obtained significant technique effect through operation test in 8 months by test method of the present invention.
Claims (2)
1. backguy split tower erection construction l-G simulation test evaluation system in a kind, it is characterized in that: it comprises scale (model) test system of testing laboratory, emulation test system and evaluation analysis module;
Scale (model) test system of described testing laboratory comprises the dynamometer of three-dimensional reduced scale iron tower solid model, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem, record transmission data, and the described pole that is used to promote the pole subsystem of being hung member is fixed on three-dimensional reduced scale iron tower solid model by the backguy subsystem; Described traction subsystem provides test required tractive force, and the traction rope pile warp of traction subsystem is hung member towards lower sheave and lower sheave to quilt; Described braking subsystem is braked control to construction progress at any time, brakes subsystem and comprises that climbing the root rope restricts with control, climbs the root rope and is hung the member lower end with controlling to restrict to be fixed on, and climbs root rope lower end and is fixed on ground; Described backguy subsystem is used for fixing the pole subsystem, is divided into backguy and pull-down line; Described pulley subsystem is used to change the tractive force direction, is divided into towards top sheave, towards lower sheave and lower sheave, is fixed in the top of pole towards top sheave, is fixed on the pole bottom towards lower sheave, and lower sheave is fixed on ground; Described dynamometer is used to measure the stressed numerical value of traction subsystem, braking subsystem, backguy subsystem, pole subsystem, and with the numerical value real-time Transmission to emulation test system, on traction subsystem, braking subsystem, backguy subsystem, pole subsystem, all be fixed with dynamometer;
Described emulation test system carries out three-dimensional modeling by modeling software to work progress: described three-dimensional modeling comprise call three-dimensional iron tower numerical model, set up pole subsystem numerical model, pulley subsystem numerical model and backguy subsystem numerical model, dynamically apply tractive force and damping force relevant position in model, realize dynamic load, and carrying out the structural bearing capacity analysis, its analysis result is for the evaluation analysis module invokes;
Described evaluation analysis module, utilize the Structural Dynamics appraisal procedure by to calling through the test figure of scale (model) test system of testing laboratory and emulation test system output, iron tower construction emulated data is estimated and analyzed, draw the stressed least favorable situation of each system in the work progress, estimate the dangerous link of construction, finally generate test report.
2. the test method that backguy suspended holding pole split tower erection construction l-G simulation test evaluation system adopts in a kind is:
A) set up testing laboratory's reduced scale solid model: according to the test needs, make the iron tower model of contraction scale, and combine with the practice of construction progress, be numbered hanging member, need in order to test, pole subsystem, pulley subsystem, braking subsystem, backguy subsystem, traction subsystem and dynamometer are installed;
B) laboratory test process: connect traction rope by the traction subsystem, pass and be arranged in pole two pulleys up and down, member is hung in connection, when the traction subsystem produces tractive force, hung member and will be risen with the shortening of traction rope, reach corresponding lift-off position, the root rope is climbed in the connection of braking subsystem in this link, climb the connection of root rope and hung the member afterbody, keep the balanced in plane attitude, in the construction simulation process, because the variation of being hung the member aerial statue, make the pole subsystem, the pulley subsystem, the braking subsystem, backguy subsystem and traction subsystem are stressed to be changed in time, and stress data is recorded by dynamometer, and carries connecting line by it and transfer to emulation test system;
C) emulation test system: the three-dimensional iron tower numerical model that from be stored in the tower database the system, accesses test usefulness, and set up pole subsystem numerical model, pulley subsystem numerical model, backguy subsystem numerical model, tractive force and damping force are by the manual relevant position that is applied to model of testing crew, according to the test figure of construction simulation process gained, iron tower model is carried out Analysis of Bearing Capacity;
D) after the off-test, utilize the evaluation analysis module, adopt the Structural Dynamics analytical approach, the stressed material utmost carrying ability that whether exceeds of the iron tower that becomes during analysis and each system is judged the dangerous link of construction, and last evaluation analysis module generates test report automatically.
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| CN2009100675843A CN101672743B (en) | 2009-09-19 | 2009-09-19 | Simulation test estimation system and test method for construction of inner stayguy suspended holding rod split tower |
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| CN2009100675843A CN101672743B (en) | 2009-09-19 | 2009-09-19 | Simulation test estimation system and test method for construction of inner stayguy suspended holding rod split tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103871093B (en) * | 2012-12-07 | 2016-12-07 | 江苏省电力公司 | The method of three-dimensional emulation electric power line pole tower group tower leg hoisting process |
| CN106779401A (en) * | 2016-12-13 | 2017-05-31 | 北京恒华龙信数据科技有限公司 | Power construction troop service bearer power analysis method and system based on big data |
| CN111395852A (en) * | 2020-03-19 | 2020-07-10 | 福州大学 | Internal suspension internal stay wire holding pole stay wire detection and inclination angle detection system based on Internet of things |
| CN111678783B (en) * | 2020-05-15 | 2023-07-28 | 南京工程学院 | Model and method for measuring upper load transfer coefficient of civil air defense of urban wall |
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| CN201289391Y (en) * | 2008-09-03 | 2009-08-12 | 江苏省电力试验研究院有限公司 | On-line monitoring and wireless telemetering system for power transmission tower circumstance vibrational state |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201289391Y (en) * | 2008-09-03 | 2009-08-12 | 江苏省电力试验研究院有限公司 | On-line monitoring and wireless telemetering system for power transmission tower circumstance vibrational state |
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