CN107843320A - A kind of spatial steel structure end reaction carry out circulation weigh measure devices and methods therefor - Google Patents
A kind of spatial steel structure end reaction carry out circulation weigh measure devices and methods therefor Download PDFInfo
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- CN107843320A CN107843320A CN201711043399.1A CN201711043399A CN107843320A CN 107843320 A CN107843320 A CN 107843320A CN 201711043399 A CN201711043399 A CN 201711043399A CN 107843320 A CN107843320 A CN 107843320A
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- bearing
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- end reaction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G5/00—Weighing apparatus wherein the balancing is effected by fluid action
- G01G5/04—Weighing apparatus wherein the balancing is effected by fluid action with means for measuring the pressure imposed by the load on a liquid
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- A Measuring Device Byusing Mechanical Method (AREA)
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Abstract
The invention discloses a kind of spatial steel structure end reaction carry out circulation weigh measure devices and methods therefor, include the measurement system of weighing that hydraulic jack group, high-precision hydraulic table, measuring scale are formed, hydraulic jack group is respectively placed in the lower section of the synchronization of jacking up bearing group of steel structure support seat group both sides to be determined, synchronization of jacking up bearing group jack with height by hydraulic jack group, measuring scale is placed on steel structure support seat to be determined, the top lifting height of synchronization of jacking up bearing group is controlled, by reading and recording high-precision hydraulic table show value；By circulating assay method of weighing, using " 3+（n）+ 3 " weigh mensuration mode, to close measurement route, realize the Accurate Determining of spatial steel structure end reaction, accurate data foundation is provided for the bearing bearing pressure adjustment of spatial steel structure.The present invention be permanently fixed by determining bearing before counter-force value and checked with design counter-force value, eliminate spatial steel structure in time due to factors such as all kinds of installation manufacturing process, substructure deviations.
Description
Technical field：
The present invention relates to technical field of building construction, relate generally to a kind of spatial steel structure end reaction and carry out circulation to weigh measure
Devices and methods therefor.
Background technology：
Spatial steel structure is a kind of structure type for being widely used in the volumed space buildings such as all kinds of airports, railway station, venue, is had
The distinguishing features such as span is big, economic advantages are obvious, moulding is disposable, factorial praluction.
Spatial steel structure is due to substructure construction deviation, mounting process selection, structure installation deviation, the adjacent bearing of structure
The factors such as Line stiffness is big cause end reaction deviation larger.Due to lacking the means directly determined, thus it is universal not right in construction
Bearing carries out counter-force measure before being permanently fixed.
The content of the invention：
The defects of the object of the invention is exactly to make up prior art, there is provided a kind of spatial steel structure end reaction carries out circulation title
Resurvey and determine devices and methods therefor, the measuring system combined by hydraulic jack with survey tool, so as to accurately measure Steel Space
Counter-force value of the structure before bearing is permanently fixed, accurate data foundation is provided for the end reaction adjustment of spatial steel structure.
The present invention is achieved by the following technical solutions：
A kind of spatial steel structure end reaction carry out circulation weigh measure device, it is characterised in that：Include hydraulic jack group,
Measurement system that what high-precision hydraulic table, measuring scale were formed weigh, the hydraulic jack group are respectively placed in steel construction to be determined
The lower section of the synchronization of jacking up bearing group of bearing group both sides, synchronization of jacking up bearing group push up with height by hydraulic jack group
Rise, measuring scale is placed on steel structure support seat to be determined, the top lifting height of synchronization of jacking up bearing group is controlled, by reading and recording
High-precision hydraulic table show value.
The final top lifting height control accuracy of described hydraulic jack group is ± 0.5mm, and the liquid in hydraulic jack group
Pressuring oil pipe is isometric.
Described high-precision hydraulic table control accuracy is ± 0.1 ~ 0.5MPa.
Described measuring scale is slide measure, high-precision ruler or clearance gauge.
Described slide measure control accuracy is ± 0.02mm；Clearance gauge control accuracy is ± 0.2mm；High-precision ruler control
Precision is ± 0.5mm.
Described spatial steel structure end reaction circulate the measuring method for measure device of weighing, it is characterised in that：It is logical
Cross circulation to weigh assay method, using " 3+（n）+ 3 " weigh mensuration mode, to close measurement route, realize spatial steel structure branch
The Accurate Determining of seat counter-force, accurate data foundation is provided for the bearing bearing pressure adjustment of spatial steel structure, wherein n is to be determined every time
The number of bearing group, specific method are as follows：
（1）Spatial steel structure first carries out erecting under evacuation operating mode one by one before bearing is permanently fixed to the bearing of spatial steel structure
Calculated to displacement, and corresponding vertical displacement value Δ under record, according to above-mentioned result of calculation, it is determined that using some bearing T as intermediate point,
With 1.0 ~ 2.0 times of vertical displacement value Δ under the bearing evacuated for setting value, pair with connecting on its same axis or corner
Continuous adjacent 3+（T）+ 3 bearings carry out the vertical jacking of sustained height；
（2）The top lifting height of jack is finely controlled with survey tools such as slide measure, high-precision ruler or clearance gauges and makes its symbol
Close setting value；The show value of this lower intermediate point bearing high-precision hydraulic table of record, the show value of high-precision hydraulic table with the bearing
The product of the oil cylinder area sum of all hydraulic jack is the counter-force value before the bearing is permanently fixed；
（3）According to the bearing of spatial steel structure be distributed concrete condition, can order or inverted sequence carry out next end reaction one by one
Measurement；
（4）Concrete condition is distributed according to the bearing of spatial steel structure, adjacent bearing can be grouped, while carry out 3+（n）+ 3
The jacking of bearing, the high-precision hydraulic table show value of middle n bearing is recorded, it is permanent to calculate corresponding bearing as stated above
Counter-force value before fixation, such a weighting manner are referred to as 3+（n）+ 3 modes.
（5）All end reaction value measure on measurement route are sequentially completed in a manner described, and route is measured for closed-loop type,
Last time measuring point returns to starting measuring point, forms closure measurement route；Route is measured for yi word pattern, proceeding measurement is complete
Cheng Houzai inverted sequence measurements return to starting measuring point, form closure measurement route；
（6）Control accuracy requirement
End reaction measurement accuracy is controlled within ± 5%；
During hydraulic jack jacking, synchronism deviation cannot be greater than 0.3 Δ；
The final top lifting height deviation of hydraulic jack cannot be greater than 0.1 Δ.
It is an advantage of the invention that：
1st, detection device system architecture is simple, simple installation, operation is simple, detection is accurate.
2nd, counter-force value before being permanently fixed by determining bearing is simultaneously checked with design counter-force value, eliminates Steel Space in time
Structure is due to actual end reaction and the safety of different design caused by the factors such as all kinds of installation manufacturing process, substructure deviation
Hidden danger.
Brief description of the drawings：
Fig. 1 is the structural representation of apparatus of the present invention.
Schematic diagram when Fig. 2 is first group of bearing measure when load-bearing is circulated in the embodiment of the present invention.
Schematic diagram when Fig. 3 is second group of bearing measure when load-bearing is circulated in the embodiment of the present invention.
Schematic diagram when Fig. 4 is the 3rd group of bearing measure when load-bearing is circulated in the embodiment of the present invention.
Schematic diagram when Fig. 5 is last group of bearing measure when load-bearing is circulated in the embodiment of the present invention.
In Fig. 1：1- hydraulic jacks, 2- high-precision hydraulic tables, 3- slide measures（Or clearance gauge or ruler）
In Fig. 2-5：For original structure bearing,Synchronization of jacking up bearing during to determineBearing to be determinedBearing is determined
Embodiment：
Referring to accompanying drawing.
A kind of spatial steel structure end reaction carry out circulation weigh measure device, include hydraulic jack group 1, high accuracy
The measurement system of weighing that hydralic pressure gauge 2, measuring scale 3 are formed, the hydraulic jack group 1 are respectively placed in steel structure support seat to be determined
The lower section of the synchronization of jacking up bearing group of group both sides, synchronization of jacking up bearing group jack with height by hydraulic jack group 1,
Measuring scale 3 is placed on steel structure support seat to be determined, the top lifting height of synchronization of jacking up bearing group is controlled, by reading and recording height
The product of the table show value of precision hydraulic pressure 2, its show value and the oil cylinder area sum of all hydraulic jack under the bearing is should
Bearing be permanently fixed before counter-force value.
The final top lifting height control accuracy of described hydraulic jack group 1 is ± 0.5mm, and the liquid in hydraulic jack group
Pressuring oil pipe is isometric.
The described control accuracy of high-precision hydraulic table 2 is ± 0.1 ~ 0.5MPa.
Described measuring scale 3 is slide measure, high-precision ruler or clearance gauge.
Described slide measure control accuracy is ± 0.02mm；Clearance gauge control accuracy is ± 0.2mm；High-precision ruler control
Precision is ± 0.5mm.
Described spatial steel structure end reaction circulate the measuring method for measure device of weighing, it is characterised in that：It is logical
Cross circulation to weigh assay method, using " 3+（n）+ 3 " weigh mensuration mode, to close measurement route, realize spatial steel structure branch
The Accurate Determining of seat counter-force, accurate data foundation is provided for the bearing bearing pressure adjustment of spatial steel structure, wherein n is to be determined every time
The number of bearing group, by taking each 3 bearings in side as an example be n=3, according to the project situation, it is necessary to the bearing number for measure of weighing compared with
It is more, using 3+【3】+ 3 weighting manners, sequentially weigh 11 times, form closure measurement circuitry, complete measure of all weighing, specific side
Method is as follows：
（1）Spatial steel structure first carries out erecting under evacuation operating mode one by one before bearing is permanently fixed to the bearing of spatial steel structure
Calculated to displacement, and corresponding vertical displacement value Δ under record, according to above-mentioned result of calculation, it is determined that using 3 bearings as intermediate point, with
1.0 ~ 2.0 times of vertical displacement value Δ are setting value under the bearing evacuated, pair with it is continuous on its same axis or corner
Adjacent 3+（3）+ 3 bearings carry out the vertical jacking of sustained height；
（2）The top lifting height of jack is finely controlled with survey tools such as slide measure, high-precision ruler or clearance gauges and makes its symbol
Close setting value；The show value of this lower intermediate point bearing high-precision hydraulic table of record, the show value of high-precision hydraulic table with the bearing
The product of the oil cylinder area sum of all hydraulic jack is the counter-force value before the bearing is permanently fixed；
（3）According to the bearing of spatial steel structure be distributed concrete condition, can order or inverted sequence carry out next end reaction one by one
Measurement；
（4）Concrete condition is distributed according to the bearing of spatial steel structure, adjacent bearing can be grouped, while carry out 3+（3）+ 3
The jacking of bearing, the high-precision hydraulic table show value of middle 3 bearings is recorded, it is permanent to calculate corresponding bearing as stated above
Counter-force value before fixation, such a weighting manner are referred to as 3+（3）+ 3 modes.
（5）All end reaction value measure on measurement route are sequentially completed in a manner described, and route is measured for closed-loop type,
Last time measuring point returns to starting measuring point, forms closure measurement route；Route is measured for yi word pattern, proceeding measurement is complete
Cheng Houzai inverted sequence measurements return to starting measuring point, form closure measurement route；
（6）Control accuracy requirement
End reaction measurement accuracy is controlled within ± 5%；
During hydraulic jack jacking, synchronism deviation cannot be greater than 0.3 Δ；
The final top lifting height deviation of hydraulic jack cannot be greater than 0.1 Δ.
It is described above, only it is the preferred embodiment to invention, not the present invention is imposed any restrictions, it is every according to the present invention
Any simple modification, change and equivalence change that technical principle and device are made to principle shown in above example and device,
It is still within the scope of the technical scheme of the invention.
Claims (6)
1. a kind of spatial steel structure end reaction carry out circulation weigh measure device, it is characterised in that：Include hydraulic jack
The measurement system of weighing that group, high-precision hydraulic table, measuring scale are formed, the hydraulic jack group are respectively placed in steel knot to be determined
The lower section of the synchronization of jacking up bearing group of structure bearing group both sides, synchronization of jacking up bearing group is carried out with height by hydraulic jack group
Jacking, measuring scale are placed on steel structure support seat to be determined, the top lifting height of synchronization of jacking up bearing group are controlled, by reading and remembering
Record high-precision hydraulic table show value.
2. spatial steel structure end reaction according to claim 1 carry out circulation weigh measure device, it is characterised in that：Institute
The final top lifting height control accuracy of hydraulic jack group stated is ± 0.5mm, and the hydraulic oil pipe in hydraulic jack group is isometric.
3. spatial steel structure end reaction according to claim 1 carry out circulation weigh measure device, it is characterised in that：Institute
The high-precision hydraulic table control accuracy stated is ± 0.1 ~ 0.5MPa.
4. spatial steel structure end reaction according to claim 1 carry out circulation weigh measure device, it is characterised in that：Institute
The measuring scale stated is slide measure, high-precision ruler or clearance gauge.
5. spatial steel structure end reaction according to claim 4 carry out circulation weigh measure device, it is characterised in that：Institute
The slide measure control accuracy stated is ± 0.02mm；Clearance gauge control accuracy is ± 0.2mm；High-precision ruler control accuracy for ±
0.5mm。
The measuring method of device is determined 6. carrying out circulation based on the spatial steel structure end reaction described in claim 1 and weighing, its
It is characterised by：By circulating assay method of weighing, using " 3+（n）+ 3 " weigh mensuration mode, to close measurement route, realize empty
Between steel structure support seat counter-force Accurate Determining, for spatial steel structure bearing bearing pressure adjustment accurate data foundation is provided, wherein n is
The number of each bearing group to be determined, specific method are as follows：
（1）Spatial steel structure first carries out erecting under evacuation operating mode one by one before bearing is permanently fixed to the bearing of spatial steel structure
Calculated to displacement, and corresponding vertical displacement value Δ under record, according to above-mentioned result of calculation, it is determined that using some bearing T as intermediate point,
With 1.0 ~ 2.0 times of vertical displacement value Δ under the bearing evacuated for setting value, pair with connecting on its same axis or corner
Continuous adjacent 3+（T）+ 3 bearings carry out the vertical jacking of sustained height；
（2）The top lifting height of jack is finely controlled with survey tools such as slide measure, high-precision ruler or clearance gauges and makes its symbol
Close setting value；The show value of this lower intermediate point bearing high-precision hydraulic table of record, the show value of high-precision hydraulic table with the bearing
The product of the oil cylinder area sum of all hydraulic jack is the counter-force value before the bearing is permanently fixed；
（3）According to the bearing of spatial steel structure be distributed concrete condition, can order or inverted sequence carry out next end reaction one by one
Measurement；
（4）Concrete condition is distributed according to the bearing of spatial steel structure, adjacent bearing can be grouped, while carry out 3+（n）+ 3
The jacking of bearing, the high-precision hydraulic table show value of middle n bearing is recorded, it is permanent to calculate corresponding bearing as stated above
Counter-force value before fixation, such a weighting manner are referred to as 3+（n）+ 3 modes；
（5）All end reaction value measure on measurement route are sequentially completed in a manner described, measure route for closed-loop type, finally
Measuring point returns to starting measuring point, forms closure measurement route；Route is measured for yi word pattern, after the completion of proceeding measurement
Inverted sequence measurement returns to starting measuring point again, forms closure measurement route；
（6）Control accuracy requirement
End reaction measurement accuracy is controlled within ± 5%；
During hydraulic jack jacking, synchronism deviation cannot be greater than 0.3 Δ；
The final top lifting height deviation of hydraulic jack cannot be greater than 0.1 Δ.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043399.1A CN107843320B (en) | 2017-10-31 | 2017-10-31 | A kind of spatial steel structure end reaction carries out circulation weighing measurement device and its method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711043399.1A CN107843320B (en) | 2017-10-31 | 2017-10-31 | A kind of spatial steel structure end reaction carries out circulation weighing measurement device and its method |
Publications (2)
| Publication Number | Publication Date |
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| CN107843320A true CN107843320A (en) | 2018-03-27 |
| CN107843320B CN107843320B (en) | 2019-11-01 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151591A (en) * | 1993-11-30 | 1995-06-16 | Mitsubishi Heavy Ind Ltd | Device for measuring weight and gravity center position of large structure |
| CN201434717Y (en) * | 2009-05-14 | 2010-03-31 | 天津大学 | Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor |
| CN201464022U (en) * | 2009-05-14 | 2010-05-12 | 天津大学 | High-precision compensation device for weighing large-scale structural objects based on lifting jack pressure measurement |
| CN102323020A (en) * | 2011-08-02 | 2012-01-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Roller support counter-force proving installation |
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN203629866U (en) * | 2013-12-17 | 2014-06-04 | 柳州黔桥工程材料有限公司 | Intelligent tension equipment calibrating system |
| CN205506277U (en) * | 2016-04-11 | 2016-08-24 | 长安大学 | Plate rubber support counter -force detection device |
-
2017
- 2017-10-31 CN CN201711043399.1A patent/CN107843320B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07151591A (en) * | 1993-11-30 | 1995-06-16 | Mitsubishi Heavy Ind Ltd | Device for measuring weight and gravity center position of large structure |
| CN201434717Y (en) * | 2009-05-14 | 2010-03-31 | 天津大学 | Large-sized structure weighting device based on detection of low-oil pressure built-in weight sensor |
| CN201464022U (en) * | 2009-05-14 | 2010-05-12 | 天津大学 | High-precision compensation device for weighing large-scale structural objects based on lifting jack pressure measurement |
| CN102323020A (en) * | 2011-08-02 | 2012-01-18 | 水利部交通运输部国家能源局南京水利科学研究院 | Roller support counter-force proving installation |
| CN102338657A (en) * | 2011-08-12 | 2012-02-01 | 重庆市计量质量检测研究院 | Adaptive hydraulic weighing device |
| CN203629866U (en) * | 2013-12-17 | 2014-06-04 | 柳州黔桥工程材料有限公司 | Intelligent tension equipment calibrating system |
| CN205506277U (en) * | 2016-04-11 | 2016-08-24 | 长安大学 | Plate rubber support counter -force detection device |
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| CN107843320B (en) | 2019-11-01 |
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