CN114622729A - Lifting method of special-shaped steel structure - Google Patents
Lifting method of special-shaped steel structure Download PDFInfo
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- CN114622729A CN114622729A CN202210347718.2A CN202210347718A CN114622729A CN 114622729 A CN114622729 A CN 114622729A CN 202210347718 A CN202210347718 A CN 202210347718A CN 114622729 A CN114622729 A CN 114622729A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 141
- 239000010959 steel Substances 0.000 title claims abstract description 141
- 238000000034 method Methods 0.000 title claims abstract description 45
- 238000006073 displacement reaction Methods 0.000 claims description 18
- 230000001360 synchronised effect Effects 0.000 claims 3
- 230000008569 process Effects 0.000 abstract description 14
- 238000001514 detection method Methods 0.000 abstract description 13
- 238000009434 installation Methods 0.000 description 6
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010066054 Dysmorphism Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/08—Driving gear incorporating fluid motors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/60—Rope, cable, or chain winding mechanisms; Capstans adapted for special purposes
- B66D1/74—Capstans
- B66D1/7442—Capstans having a horizontal rotation axis
- B66D1/7447—Capstans having a horizontal rotation axis driven by motor only
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
- E04G21/16—Tools or apparatus
- E04G21/162—Handles to carry construction blocks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
Abstract
The application provides a lifting method of a special-shaped steel structure, which comprises the following steps: arranging a plurality of lifting points on the special-shaped steel structure; arranging a sensor between the special-shaped steel structure and the ground; acquiring a first offset angle of a lifting point relative to the horizontal plane of the deformed steel structure through a sensor; calculating a first deviation value of the lifting point relative to the horizontal plane through the first deviation angle; comparing the first offset value to an offset threshold; and adjusting the lifting speed of the lifting point according to the comparison result until the first deviation value is smaller than the deviation threshold value. According to the lifting method of the special-shaped steel structure, the influence of the external environment is not easily caused, the application range is wider, the overall horizontal detection precision of the special-shaped steel structure is effectively improved, and the lifting safety of the special-shaped steel structure is guaranteed; the lifting process of the special-shaped steel structure is not required to be suspended in the process, the lifting efficiency of the special-shaped steel structure is effectively improved, the overall automation degree is high, and the lifting cost of the special-shaped steel structure is effectively reduced.
Description
Technical Field
The application relates to the technical field of special-shaped steel structures, in particular to a lifting method of a special-shaped steel structure.
Background
The special-shaped steel structure needs to guarantee the whole level in the lifting process so as to improve the lifting safety and the efficiency of the special-shaped steel structure, but the currently adopted special-shaped steel structure level detection method is easily influenced by external factors such as fields and weather, so that the detection result is inaccurate, the levelness of the special-shaped steel structure in the lifting process is poor, the whole method is time-consuming and labor-consuming, the lifting efficiency of the special-shaped steel structure is reduced, and the lifting cost of the special-shaped steel structure is increased.
Disclosure of Invention
The present application is directed to solving, at least to some extent, one of the technical problems in the related art.
Therefore, the application aims to provide a lifting method of the special-shaped steel structure.
In order to achieve the above object, the present application provides a lifting method for a special-shaped steel structure, the lifting method comprising: arranging a plurality of lifting points on the special-shaped steel structure; arranging a sensor between the deformed steel structure and the ground; acquiring a first offset angle of the lifting point relative to the horizontal plane of the special-shaped steel structure through the sensor; calculating a first offset value of the lifting point relative to the horizontal plane through the first offset angle; comparing the first offset value to an offset threshold; adjusting the lifting speed of the lifting point according to the comparison result until the first deviation value is smaller than the deviation threshold value.
Optionally, the setting of sensor between shaped steel structure and ground includes: lifting the deformed steel structure to a first height; arranging an emitting end of a laser displacement sensor at one side of the special-shaped steel structure close to the ground; and arranging a receiving end of the laser displacement sensor on the ground, and aligning the transmitting end with the receiving end.
Optionally, the number of the laser displacement sensors is multiple, and the transmitting end of at least one laser displacement sensor is arranged at the central point of the special-shaped steel structure.
Optionally, the obtaining, by the sensor, a first deviation angle of the lifting point relative to the horizontal plane of the deformed steel structure includes: transmitting a laser signal to the receiving end through the transmitting end; acquiring a first distance between the transmitting end and the receiving end through the laser signal received by the receiving end; acquiring a second offset value of the transmitting terminal relative to the receiving terminal through the laser signal received by the receiving terminal; calculating a second offset angle of the transmitting end relative to the receiving end according to the first distance and the second offset value; and obtaining the first offset angle through the second offset angle.
Optionally, the calculating a second offset angle of the transmitting end relative to the receiving end according to the first distance and the second offset value includes: calculating a ratio of the second offset value to the first distance; and calculating the arctangent value of the ratio to obtain the second offset angle.
Optionally, the calculating a first offset value of the lifting point from the horizontal plane by the first offset angle includes: calculating a tangent value of the first offset angle; measuring a second distance from the lifting point to the transmitting end on the horizontal plane; multiplying the tangent value by the second distance to obtain the first offset value.
Optionally, the lifting method further includes: setting the spacing height; acquiring the relative height of the lifting point through a total station at intervals of height; comparing the relative heights of the plurality of lift points; and adjusting the heights of the lifting points of the special-shaped steel structure according to the comparison result until the relative heights of the plurality of lifting points are the same.
Optionally, the lifting method further includes: lifting the deformed steel structure to a second height; acquiring the relative height of the lifting point through the total station; comparing the relative heights of the plurality of lift points; adjusting the heights of the lifting points of the special-shaped steel structure according to the comparison result until the relative heights of the lifting points are the same; and lifting the special-shaped steel structure to a third height and installing the special-shaped steel structure.
Optionally, the acquiring, by a total station, the relative height of the lifting point includes: disposing a reflector sheet on the lift point; acquiring an initial height of the lifting point through the total station; acquiring the actual height of the lifting point through the total station; and subtracting the initial height from the actual height to obtain the relative height of the lifting point.
Optionally, the profiled steel structure is lifted through a hydraulic system, and the lifting speed of the lifting point is adjusted by controlling the flow of the hydraulic system.
The technical scheme provided by the application can comprise the following beneficial effects:
the first offset value of the lifting point is obtained through the sensor, the influence of the external environment is not easily caused, the application range is wider, the overall horizontal detection precision of the special-shaped steel structure is effectively improved, and the lifting safety of the special-shaped steel structure is ensured;
the lifting speed of the lifting point is adjusted through comparison of the first deviation value and the deviation threshold value so as to keep the level of the special-shaped steel structure, the lifting process of the special-shaped steel structure is not required to be suspended in the process, the lifting efficiency of the special-shaped steel structure is effectively improved, the overall automation degree is high, and the lifting cost of the special-shaped steel structure is effectively reduced.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic flow chart of a lifting method for a profiled steel structure according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a profiled steel structure proposed in an embodiment of the present application when the profiled steel structure is tilted;
fig. 3 is a schematic structural diagram of a hydraulic system in a lifting method of a profiled steel structure according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of a guide wheel in a lifting method of a profiled steel structure according to an embodiment of the present application;
as shown in the figure: 1. the device comprises a special-shaped steel structure, 2, lifting points, 3, a transmitting end, 4, a receiving end, 5, a lifting frame, 6, a reel, 7, a steel wire rope, 8, a hydraulic motor, 9, a hydraulic station, 10, a regulating valve, 11, a guide ring, 12, an upright post, 13, a guide rod, 14, a wheel frame, 15, a guide wheel, 16 and a long bolt.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. On the contrary, the embodiments of the application include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.
In the related embodiment, when the special-shaped steel structure 1 is detected to be horizontal, the lifting process needs to be suspended, the horizontal condition of the special-shaped steel structure 1 is detected through a total station, and if the special-shaped steel structure is inclined, the lifting point 2 of the special-shaped steel structure 1 needs to be manually adjusted until the special-shaped steel structure 1 reaches the horizontal state.
The mode of detecting the level through the total station is easily influenced by external environments such as a field, weather and the like, the application range is small, the detection precision is low, and the improvement safety of the special-shaped steel structure 1 cannot be guaranteed;
meanwhile, the lifting process needs to be suspended when the special-shaped steel structure 1 is detected to be horizontal, and the longer the span of the special-shaped steel structure 1 is, the longer the detection time is, so that the lifting efficiency of the special-shaped steel structure 1 is lower;
moreover, the special-shaped steel structure 1 needs manual operation when being adjusted, and the labor cost is high and the adjustment efficiency is low.
As shown in fig. 1, an embodiment of the present application provides a lifting method for a special-shaped steel structure 1, where the lifting method includes:
s1: a plurality of lifting points 2 are arranged on the special-shaped steel structure 1;
s2: arranging a sensor between the special-shaped steel structure 1 and the ground;
s3: acquiring a first offset angle of the lifting point 2 relative to the horizontal plane of the special-shaped steel structure 1 through a sensor;
s4: calculating a first offset value of the lifting point 2 relative to the horizontal plane through the first offset angle;
s5: comparing the first offset value to an offset threshold;
s6: the lifting speed of lifting point 2 is adjusted by the result of the comparison until the first offset value is smaller than the offset threshold value.
It can be understood that the first offset value of the lifting point 2 is obtained through the sensor, so that the influence of the external environment is not easily caused, the application range is wider, the overall horizontal detection precision of the special-shaped steel structure 1 is effectively improved, and the lifting safety of the special-shaped steel structure 1 is ensured;
the lifting speed of the lifting point 2 is adjusted through comparison of the first deviation value and the deviation threshold value so as to keep the level of the special-shaped steel structure 1, the lifting process of the special-shaped steel structure 1 does not need to be suspended in the process, the lifting efficiency of the special-shaped steel structure 1 is effectively improved, the overall automation degree is high, and the lifting cost of the special-shaped steel structure 1 is effectively reduced.
It should be noted that the plurality of lifting points 2 may be uniformly distributed around the deformed steel structure 1, or may be uniformly distributed at both ends of the deformed steel structure 1.
In some embodiments, the offset threshold may be 0.05 m.
As shown in fig. 2, in some embodiments, S2: arranging the sensor between the profiled steel structure 1 and the ground comprises:
s21: lifting the special-shaped steel structure 1 to a first height;
s22: arranging an emitting end 3 of the laser displacement sensor at one side of the special-shaped steel structure 1 close to the ground;
s23: the receiving end 4 of the laser displacement sensor is placed on the ground and the transmitting end 3 is aligned with the receiving end 4.
It can be understood that the first offset angle is detected by the laser displacement sensor, so that the stability is higher, the influence of an external environment is not easily caused, and the overall horizontal detection precision of the special-shaped steel structure 1 is ensured;
through the setting of first height, the setting of the transmitting terminal 3 and the receiving terminal 4 of being convenient for guarantees the installation of laser displacement sensor between dysmorphism steel construction 1 and ground.
It should be noted that the first height should be not less than 0.5m, for example: 0.5m, 0.6m, etc.;
the ground should be a solid structure, for example: concrete, steel plate, etc.
In some embodiments, the transmitting direction of the transmitting end 3 and the receiving direction of the receiving end 4 are both located in a vertical direction, and the alignment accuracy of the transmitting end 3 and the receiving end 4 is less than 0.001 m.
In some embodiments, if the lifting height of the deformed steel structure 1 is high, a repeater may be disposed on the input path of the transmitting terminal 3 to ensure stable transmission of signals.
In some embodiments, the laser displacement sensors are provided in plurality, and the transmitting end 3 of at least one laser displacement sensor is arranged on the central point of the profiled steel structure 1.
It can be understood that the detection of the first offset angle can be realized by the laser displacement sensor arranged at the central point of the deformed steel structure 1, and the horizontal detection of the deformed steel structure 1 is ensured;
through the cooperation of a plurality of laser displacement sensors, can adapt to the special-shaped steel structure 1 that the molding is complicated, the span is great, guarantees whole level detection precision to special-shaped steel structure 1.
In some embodiments, the emitting end 3 of one laser displacement sensor may be arranged at the center point of the deformed steel structure 1, and the emitting ends 3 of a plurality of laser displacement sensors may also be arranged.
In some embodiments, S3: acquiring a first offset angle of the lifting point 2 with respect to the horizontal plane of the deformed steel structure 1 by means of a sensor comprises:
s31: transmitting a laser signal to a receiving end 4 through a transmitting end 3;
s32: acquiring a first distance between the transmitting terminal 3 and the receiving terminal 4 through the laser signal received by the receiving terminal 4;
s33: acquiring a second offset value of the transmitting terminal 3 relative to the receiving terminal 4 through the laser signal received by the receiving terminal 4;
s34: calculating a second offset angle of the transmitting terminal 3 relative to the receiving terminal 4 according to the first distance and the second offset value;
s35: the first offset angle is obtained by the second offset angle.
It can be understood that, because the transmitting terminal 3 and the deformed steel structure 1 rotate synchronously, the offset angle of the transmitting terminal 3 relative to the receiving terminal 4 is equal to the offset angle of the lifting point 2 relative to the horizontal plane, that is, the second offset angle is equal to the first offset angle, so that the first offset angle is obtained after the second offset angle is obtained through the first distance and the second offset value.
It should be noted that the horizontal plane of the special-shaped steel structure 1 refers to the horizontal plane of the transmitting end 3 on the special-shaped steel structure 1 in the lifting process; the first deviation value is a distance value from the lifting point 2 to the horizontal plane of the special-shaped steel structure 1, and the first deviation angle is an included angle between the special-shaped steel structure 1 and the horizontal plane of the special-shaped steel structure 1; the second offset value is a length value in a direction perpendicular to the receiving direction of the receiving terminal 4 and in the transmitting direction from the receiving terminal 4 to the transmitting terminal 3; the second offset angle is an included angle between the receiving direction of the receiving terminal 4 and the transmitting direction of the transmitting terminal 3.
In some embodiments, S34: the calculating of the second offset angle of the transmitting terminal 3 relative to the receiving terminal 4 by using the first distance and the second offset value includes:
s341: calculating the ratio of the second offset value to the first distance;
s342: and calculating the arctan value of the ratio to obtain a second offset angle.
It will be appreciated that, as shown in fig. 2, the first distance is used as the length of the first leg in the right triangle, the second offset is used as the length of the second leg in the right triangle, and the second offset is used as the angle between the hypotenuse and the first leg in the right triangle, so that the tangent of the second offset is equal to the ratio of the second offset to the first distance, and the second offset is obtained by arctangent of the ratio of the second offset to the first distance.
The second offset angle C is2Is equal to the ratio of the second offset value B to the first distance H:
thus, the second offset angle C2Comprises the following steps:
in some embodiments, S4: calculating a first offset value of the lifting point 2 from the horizontal plane by means of the first offset angle comprises:
s41: calculating a tangent value of the first offset angle;
s42: measuring a second distance from the lifting point 2 to the transmitting end 3 on the horizontal plane;
s43: the tangent value is multiplied by the second distance to obtain a first offset value.
It will be appreciated that, as shown in fig. 2, the second distance is taken as the first leg length in the right triangle, the first offset value is taken as the second leg length in the right triangle, and the first offset angle is taken as the angle between the hypotenuse and the first leg in the right triangle, so that the tangent of the first offset angle is equal to the ratio of the first offset value to the second distance, and thus the first offset value is obtained by multiplying the tangent by the second distance.
The first offset angle C is1Is equal to the ratio of the first offset value a to the second distance L:
thus, the first offset angle C1Comprises the following steps:
A＝LtanC1；
due to C1Is equal to C2And therefore, the first and second electrodes are,
from this, it can be derived that the second offset value B is:
according to the offset threshold, the maximum value of the second offset value B can be derived, and thus, the lifting speed of the lifting point 2 can be controlled by determining the magnitude of the second offset value.
In some embodiments, the method of lifting further comprises:
s7: setting the spacing height;
s8: acquiring the relative height of the lifting point 2 through a total station at intervals of height;
s9: comparing the relative heights of the plurality of lifting points 2;
s10: and adjusting the heights of the lifting points 2 of the special-shaped steel structure 1 according to the comparison result until the relative heights of the plurality of lifting points 2 are the same.
It can be understood that by adding the horizontal detection method of the total station, the overall detection precision is higher, and the improvement reliability of the special-shaped steel structure 1 is effectively improved.
In some embodiments, the separation height may be 20 m.
In some embodiments, the method of lifting further comprises:
s11: lifting the special-shaped steel structure 1 to a second height;
s12: acquiring the relative height of the lifting point 2 through a total station;
s13: comparing the relative heights of the plurality of lifting points 2;
s14: adjusting the heights of the lifting points 2 of the special-shaped steel structure 1 according to the comparison result until the relative heights of the plurality of lifting points 2 are the same;
s15: and lifting the special-shaped steel structure 1 to a third height and installing the special-shaped steel structure 1.
It can be understood that the level of the special-shaped steel structure 1 is detected at the second height through the total station, stable installation of the special-shaped steel structure 1 after lifting is guaranteed, and the installation efficiency and the installation quality of the special-shaped steel structure 1 are effectively improved.
It should be noted that the second height is smaller than the third height and larger than the first height, and the second height is close to the third height, and the specific value of the second height may be set according to actual needs, which is not limited herein.
In some embodiments, acquiring the relative height of lift point 2 by the total station in S8 and S12 includes:
s81: the reflector plate is arranged on the lifting point 2;
s82: acquiring the initial height of the lifting point 2 through a total station;
s83: acquiring the actual height of the lifting point 2 through a total station;
s84: the actual height is subtracted from the initial height to obtain the relative height of the lifting point 2.
It can be understood that the total station obtains the initial height and the actual height of the lifting point 2 through the reflector plate, so as to obtain the relative height of the lifting point 2 through calculation, and further facilitate adjusting the plurality of lifting points 2, so that the relative heights of the plurality of lifting points 2 are the same.
In some embodiments the profiled steel structure 1 is lifted by a hydraulic system and the lifting speed of the lifting point 2 is adjusted by controlling the flow of the hydraulic system.
It can be understood that the lifting speed of the lifting point 2 is adjusted by utilizing the flow control of the hydraulic system, the overlarge adjustment range of the lifting speed can be avoided, the stable speed regulation in the lifting process of the special-shaped steel structure 1 is ensured, and the operation is simple and convenient.
It should be noted that the hydraulic system may include the hydraulic motor 8, and may also include a hydraulic cylinder.
As shown in fig. 3, in some embodiments, the hydraulic system includes a lifting frame 5, a reel 6, a steel wire rope 7, a hydraulic motor 8 and a hydraulic station 9, the lifting frame 5 is disposed at a side portion of the installation position of the deformed steel structure 1, the reel 6 is rotatably disposed on the lifting frame 5, one end of the steel wire rope 7 is connected to the reel 6, the other end of the steel wire rope 7 is connected to the lifting point 2 of the deformed steel structure 1, the hydraulic motor 8 is disposed on the lifting frame 5, and an output end of the hydraulic motor 8 is connected to a rotating shaft of the reel 6, and an output end of the hydraulic station 9 is connected to an input end of the hydraulic motor 8.
It can be understood that the hydraulic station 9 supplies hydraulic oil to the hydraulic motor 8, the output shaft of the hydraulic motor 8 rotates along with the hydraulic motor 8 and drives the reel 6 to rotate, the reel 6 rotates and winds the steel wire rope 7, and therefore the lifting of the special-shaped steel structure 1 is achieved.
As shown in fig. 3, in some embodiments, a regulating valve 10 is provided between the hydraulic station 9 and the hydraulic motor 8, and the flow of hydraulic oil between the hydraulic station 9 and the hydraulic motor 8 is regulated by the regulating valve 10, so as to adjust the lifting speed of the lifting point 2.
In some embodiments, the end of the steel wire rope 7 away from the reel 6 is provided with a hook, and the hook is hung and buckled on the lifting point 2 of the special-shaped steel structure 1.
In some embodiments, as shown in fig. 3, the hoisting frame 5 is provided with a guide ring 11, and the wire rope 7 is connected to the hoisting point 2 after passing through the guide ring 11.
It can be understood that, through the setting of guide ring 11, make wire rope 7 fixed to the lifting direction of hoisting point 2, avoid appearing the skew, reduce the first deviant of hoisting point 2 when improving special-shaped steel structure 1 and promoting stability.
As shown in fig. 4, in some embodiments, the side of the installation position of the deformed steel structure 1 is provided with a column 12, the column 12 is arranged on the ground, a guide bar 13 is arranged on the deformed steel structure 1 near the column 12, a wheel frame 14 is arranged on the guide bar 13, a guide wheel 15 is rotatably arranged on the wheel frame 14, and the guide wheel 15 is in rolling connection with the column 12.
It will be appreciated that by the arrangement of the guide bar 13 and the guide wheels 15, the profiled steel structure 1 is made more stable during lifting and the first offset value of the lifting point 2 is further reduced.
As shown in fig. 4, in some embodiments, the wheel frame 14 is slidably disposed on the guide bar 13, two wheel frames 14 and two guide wheels 15 are disposed, the two wheel frames 14 are symmetrically disposed on two sides of the upright 12, and the two wheel frames 14 are connected by a long bolt 16.
It can be understood that the two guide wheels 15 are clamped on the upright post 12, so that the connection between the guide rod 13 and the upright post 12 is more stable, the lifting stability of the profiled steel structure 1 is further improved, and the first deviation value of the lifting point 2 is further reduced;
meanwhile, the distance between the two wheel frames 14 can be adjusted through the long bolts 16, so that the wheel frames are convenient to disassemble and assemble, can adapt to the upright columns 12 with different diameters, and are high in universality.
In some embodiments, the guide bar 13 is threadedly connected with the connection ball of the profiled steel structure 1.
It should be noted that, in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present application, "a plurality" means two or more unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present application includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present application.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and that variations, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.
Claims (10)
1. A method of lifting a profiled steel structure, comprising:
arranging a plurality of lifting points on the special-shaped steel structure;
arranging a sensor between the deformed steel structure and the ground;
acquiring a first offset angle of the lifting point relative to the horizontal plane of the special-shaped steel structure through the sensor;
calculating a first offset value of the lifting point relative to the horizontal plane through the first offset angle;
comparing the first offset value to an offset threshold;
and adjusting the lifting speed of the lifting point according to the comparison result until the first deviation value is smaller than the deviation threshold value.
2. The profiled steel structure synchronous lifting method of claim 1, wherein the disposing a sensor between the profiled steel structure and the ground comprises:
lifting the deformed steel structure to a first height;
arranging an emitting end of a laser displacement sensor at one side of the special-shaped steel structure close to the ground;
and arranging a receiving end of the laser displacement sensor on the ground, and aligning the transmitting end with the receiving end.
3. The method for synchronously lifting a deformed steel structure according to claim 2, wherein a plurality of laser displacement sensors are provided, and an emitting end of at least one laser displacement sensor is provided at a central point of the deformed steel structure.
4. The method of synchronously lifting a deformed steel structure according to claim 2, wherein said obtaining a first offset angle of the lifting point with respect to the horizontal plane of the deformed steel structure by the sensor comprises:
transmitting a laser signal to the receiving end through the transmitting end;
acquiring a first distance between the transmitting end and the receiving end through the laser signal received by the receiving end;
acquiring a second offset value of the transmitting terminal relative to the receiving terminal through the laser signal received by the receiving terminal;
calculating a second offset angle of the transmitting end relative to the receiving end according to the first distance and the second offset value;
and obtaining the first offset angle through the second offset angle.
5. The method of synchronously lifting a deformed steel structure according to claim 4, wherein said calculating a second offset angle of the transmitting end with respect to the receiving end by means of the first distance and the second offset value comprises:
calculating a ratio of the second offset value to the first distance;
and calculating the arctangent value of the ratio to obtain the second offset angle.
6. The method of synchronously lifting a profiled steel structure according to claim 4, characterized in that said calculating a first offset value of the lifting point from the horizontal plane by means of the first offset angle comprises:
calculating a tangent value of the first offset angle;
measuring a second distance from the lifting point to the transmitting end on the horizontal plane;
multiplying the tangent value by the second distance to obtain the first offset value.
7. A method for the synchronized lifting of a profiled steel structure according to any one of claims 1 to 6, characterized in that the lifting method further comprises:
setting the spacing height;
acquiring the relative height of the lifting point through a total station at intervals of height;
comparing the relative heights of the plurality of lift points;
and adjusting the heights of the lifting points of the special-shaped steel structure according to the comparison result until the relative heights of the plurality of lifting points are the same.
8. The profiled steel structure synchronous lifting method of claim 7, characterized in that the lifting method further comprises:
lifting the deformed steel structure to a second height;
acquiring the relative height of the lifting point through the total station;
comparing the relative heights of the plurality of lift points;
adjusting the heights of the lifting points of the special-shaped steel structure according to the comparison result until the relative heights of the lifting points are the same;
and lifting the special-shaped steel structure to a third height and installing the special-shaped steel structure.
9. The method of synchronously lifting a profiled steel structure according to claim 8, characterized in that said acquiring the relative height of the lifting point by means of a total station comprises:
disposing a reflector sheet on the lift point;
acquiring an initial height of the lifting point through the total station;
acquiring the actual height of the lifting point through the total station;
and subtracting the initial height from the actual height to obtain the relative height of the lifting point.
10. The method for synchronously lifting a profiled steel structure according to any of the claims 1 to 6, characterized in that the profiled steel structure is lifted by a hydraulic system and the lifting speed of the lifting point is adjusted by controlling the flow of the hydraulic system.
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364178A (en) * | 2001-06-08 | 2002-12-18 | Maeda Corp | Material lifting device |
| CN102431897A (en) * | 2011-11-25 | 2012-05-02 | 林汉丁 | Crane lifting verticality deviation measuring and displaying device and lifting method |
| CN102505860A (en) * | 2011-10-21 | 2012-06-20 | 温州建设集团有限公司 | Novel Lifting method for irregularly-shaped steel structure member |
| US20140017059A1 (en) * | 2012-07-12 | 2014-01-16 | Shanghai YeSheng Mechanical & Electrical Control Technology Co., LTD | Asymmetric integral lifting construction method |
| US20170247875A1 (en) * | 2015-12-09 | 2017-08-31 | National Taiwan University | Autonomous beam assembly system for steel structure |
| KR20170117735A (en) * | 2016-04-14 | 2017-10-24 | (주)세기경영기술연구원 | Method for constructing Atypical Architecture of a Curved Exterior Panel using Metal Plate having post and lintel constructione |
| CN107675890A (en) * | 2017-10-16 | 2018-02-09 | 山东电力建设第工程公司 | A kind of method at aerial regulation steel truss mast-up angle of inclination |
| CN208381033U (en) * | 2018-03-08 | 2019-01-15 | 中色十二冶金建设有限公司 | A kind of hydraulic automatic synchronization pushing tow control system and its pushing process |
| CN109850784A (en) * | 2019-01-25 | 2019-06-07 | 上海建工五建集团有限公司 | A kind of steel structure net rack promotes positioning system and method |
| CN110231016A (en) * | 2019-06-28 | 2019-09-13 | 重庆建工集团股份有限公司 | A kind of measurement method of steel construction |
-
2022
- 2022-04-01 CN CN202210347718.2A patent/CN114622729B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002364178A (en) * | 2001-06-08 | 2002-12-18 | Maeda Corp | Material lifting device |
| CN102505860A (en) * | 2011-10-21 | 2012-06-20 | 温州建设集团有限公司 | Novel Lifting method for irregularly-shaped steel structure member |
| CN102431897A (en) * | 2011-11-25 | 2012-05-02 | 林汉丁 | Crane lifting verticality deviation measuring and displaying device and lifting method |
| US20140017059A1 (en) * | 2012-07-12 | 2014-01-16 | Shanghai YeSheng Mechanical & Electrical Control Technology Co., LTD | Asymmetric integral lifting construction method |
| US20170247875A1 (en) * | 2015-12-09 | 2017-08-31 | National Taiwan University | Autonomous beam assembly system for steel structure |
| KR20170117735A (en) * | 2016-04-14 | 2017-10-24 | (주)세기경영기술연구원 | Method for constructing Atypical Architecture of a Curved Exterior Panel using Metal Plate having post and lintel constructione |
| CN107675890A (en) * | 2017-10-16 | 2018-02-09 | 山东电力建设第工程公司 | A kind of method at aerial regulation steel truss mast-up angle of inclination |
| CN208381033U (en) * | 2018-03-08 | 2019-01-15 | 中色十二冶金建设有限公司 | A kind of hydraulic automatic synchronization pushing tow control system and its pushing process |
| CN109850784A (en) * | 2019-01-25 | 2019-06-07 | 上海建工五建集团有限公司 | A kind of steel structure net rack promotes positioning system and method |
| CN110231016A (en) * | 2019-06-28 | 2019-09-13 | 重庆建工集团股份有限公司 | A kind of measurement method of steel construction |
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