CN108762059A - A kind of automatic control system applied to short-line prefabrication bridge subsection - Google Patents
A kind of automatic control system applied to short-line prefabrication bridge subsection Download PDFInfo
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- CN108762059A CN108762059A CN201810912481.1A CN201810912481A CN108762059A CN 108762059 A CN108762059 A CN 108762059A CN 201810912481 A CN201810912481 A CN 201810912481A CN 108762059 A CN108762059 A CN 108762059A
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- 238000009417 prefabrication Methods 0.000 title claims abstract description 22
- 238000005259 measurement Methods 0.000 claims abstract description 19
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000012937 correction Methods 0.000 claims abstract description 7
- 238000004891 communication Methods 0.000 claims description 14
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 230000003993 interaction Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 claims description 2
- 235000008434 ginseng Nutrition 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005266 casting Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004807 localization Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B11/00—Automatic controllers
- G05B11/01—Automatic controllers electric
- G05B11/14—Automatic controllers electric in which the output signal represents a discontinuous function of the deviation from the desired value, i.e. discontinuous controllers
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
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- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
A kind of automatic control system applied to short-line prefabrication bridge subsection, pass through the measurement module of positioner, location information of the measuring point relative to control point where measuring positioner, and the location information is sent to control point, the acquisition module at control point is after receiving the location information, pass through the operation and processing of computing module, obtain carrying out hydraulic control panel the parameter of position correction, the corrected parameter that the control module at control point is calculated according to computing module, controls hydraulic control panel.The automatic control system is applied in the prefabrication process of bridge subsection, the control of more hydraulic pressure pedestals of a dominating pair of vertices may be implemented, eliminate the construction cost built and measure tower, and high degree of automation, it eliminates in entire prefabrication process manually to total powerstation, spirit level and the manipulation operation for demarcating steel ruler.
Description
Technical field
The present invention relates to a kind of automatic control systems in precast bridge segment field, being applied to short-term more particularly to one kind
The automatic control system of method precast bridge segment.
Background technology
Beam body is divided into several segments by short-line prefabrication assembly bridge along bridge axes direction, each segment is prefabricated
According to certain alignment control technology match prefabricated in factory, after completing reasonably to deposit the beam phase, is carried out using Bridge Erector
It is whole across assembly or free cantilever erection.Since short-line prefabrication assembly bridge has batch production, standardization and the high spy of assembling
Point, has been widely used at home.
Since the produced precast segmental beam of short line casting construction is difficult to be combined into the planform of anticipation in precasting yard group, thus it is pre-
The control in stage processed is particularly important.Currently, the short line casting construction bridges that China uses, generally use measures the alignment control side of tower
Method carries out the control of prefabrication process, for measuring the linear control method of tower, it usually needs in the stage anteroposterior position for pouring completion
Two measurement towers of arrangement are set, the three-dimensional data of all measuring points are acquired using total powerstation, and position adjustment is carried out by error analysis,
This method needs to be correspondingly arranged measurement tower in each hydraulic pressure pedestal both sides of prefabricated on-site, and measures tower and need to meet essence
Degree is high, deformation is small and without requirements such as apparent sedimentations, this causes the producing cost of entire precasting yard entirety larger.
Invention content
The purpose of the present invention is to solve existing linear control method input costs in prefabrication process in background technology
It is larger, a kind of relatively low technical problem of production efficiency, it is proposed that automatic control system applied to short-line prefabrication bridge subsection.
The system on the top plate of bridge subsection by arranging multiple positioners, by measuring point where positioner on bridge subsection
Location information be sent to control point, and pass through the operation and processing of each module in automatic control system, realize precast bridge section
The automatic deviation correction of section.More hydraulic pressure of a dominating pair of vertices may be implemented in the bridge subsection produced using the automatic control system
The control of pedestal eliminates the construction cost built and measure tower, and high degree of automation, is eliminated in entire prefabrication process artificial
To total powerstation, spirit level and the manipulation operation for demarcating steel ruler.
The technical scheme is that：A kind of automatic control system applied to short-line prefabrication bridge subsection, the system
System includes：
Several control points and multiple positioners, the control point include：Acquisition module, computing module and control module；
The acquisition module is used for the location information of acquisition position controller；
The location information that the computing module is collected into for operation with the processing acquisition module；Then by the acquisition module
Collected location information and the location information of initial designs are compared, and the ginseng that position correction is carried out to hydraulic control panel is obtained
Number；
The control module is used for the corrected parameter that is obtained according to computing module, to hydraulic control panel into control；
The positioner is set to the top surface of precast bridge segment, including measurement module and communication module, and measurement module is used
In the location information for measuring positioner, communication module is used to location information being transmitted to the acquisition mould at the control point
Block.
Preferably, the measurement module in the positioner can accurately measure measuring point where positioner relative to
The location information at control point, further comprises data processing module in the positioner, and the data processing module is by position
Controller is converted into the coordinate value of prefabricated subsection relative to the location information at control point, which is transmitted to by communication module
The acquisition module at the control point.
Preferably, the coordinate value received is sent to the computing module by the acquisition module, and the computing module exists
After receiving the coordinate value, the conversion of coordinate system is carried out, so that it is determined that the prefabricated coordinate value of bridge prefabrication segment.
Preferably, after determining the prefabricated coordinate value of bridge prefabrication segment, the computing module is to prefabricated coordinate value and reason
It is compared by coordinate value, calculates the adjusted value of the bridge subsection position.
Preferably, the positioner is also provided on mobile trolley used, and the hydraulic control panel is equipped on the movement
On trolley, the movement of hydraulic control panel planar, the communication mould in the positioner can be realized by mobile trolley used
Mobile trolley used real-time position information can be sent in the acquisition module at the control point by block, and the acquisition module will move
The real-time position information of trolley is sent to the control module, can be realized to mobile trolley used plane position by the control module
The adjustment set.
Preferably, the control module is used to control hydraulic system completion rotation and the descending operation of hydraulic control panel, from
And it realizes to the elevation of precast bridge segment and the amendment of plan-position.
Preferably, the control point further includes input module, before pouring bridge prefabrication segment, passes through the input module
The theoretical position coordinate value of precast bridge segment is inputted.
Preferably, the control point be a control terminal, the control terminal can with it is any one in precast segment field
A positioner carries out the interaction of location information, and can be instructed to hydraulic control panel and mobile trolley used transmission.
Preferably, arrange that the quantity of the positioner is 6 on the top surface of each precast bridge segment.
Preferably, the positioner is removably connected by bolt with the pedestal for being embedded in precast bridge segment top surface
It connects.
The beneficial effects of the invention are as follows：
The present invention introduces a kind of automatic control system in the prefabrication phase of bridge subsection, passes through the measurement mould of positioner
Block, location information of the measuring point relative to control point where measuring positioner, and the location information is sent to control point, it controls
The acquisition module of point is made after receiving the location information, by the operation and processing of computing module, is obtained to hydraulic control panel
Carry out the parameter of position correction, the corrected parameter that the control module at control point is calculated according to computing module, to hydraulic control
Platform is controlled.The automatic control system is applied in the prefabrication process of bridge subsection, it is more that a dominating pair of vertices may be implemented
The control of platform hydraulic pressure pedestal eliminates the construction cost built and measure tower, compared with the prior art in common total powerstation, measure
The submersible electric equipments such as tower and spirit level, the control system do not need cumbersome measuring apparatus, have saved the human cost that mapping needs,
It only needs a work people for being located at control point to operate during entire adjustment, can be achieved with the automatic of precast bridge segment
Correction, while ensureing measurement accuracy, effectively raises production efficiency.
Description of the drawings
Fig. 1 is automatic control system operating diagram in the embodiment of the present invention；
Fig. 2 is the layout drawing that measuring point on segment and second section bridge floor is originated in the embodiment of the present invention；
Fig. 3 is the Section A-A schematic diagram of Fig. 2 in the embodiment of the present invention.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment the present invention is described in further detail.
The embodiment of the present invention provides the automatic control system in a kind of construction applied to short-line prefabrication bridge subsection, first
The first casting concrete in template forms prefabricated subsection, and the present embodiment is by taking the starting segment of bridge and second section as an example, in detail
Introduce the automatic control system.
When pouring to form starting segment concrete, when the concrete initial set of starting segment in template, in starting segment
Cover top surface arrange six measuring points（It is respectively labeled as on Fig. 2：A1,B1,C1,D1,E1,F1）, respectively in each measuring point
One positioner 1 of upper installation, positioner 1 includes measurement module, data processing module and communication module, wherein surveying
Module is measured for accurately measuring location information of the 1 place measuring point of positioner relative to control point 2, the measurement of the location information
Localization method commonly used in the art, such as laser ranging or position location etc., the measurement of each positioner can be passed through
Module is sent to data processing module by obtained measuring point is measured relative to the location information at control point 2, and data processing module connects
After receiving the location information, the location information of the measuring point is handled, the measuring point is translated into and exists relatively with control point 2
Above-mentioned three-dimensional coordinate information is sent to by the coordinate value under three-dimensional system of coordinate, later, the communication module in each positioner 1
Control point 2, control point 2 are a control terminal, which can control with any one position in precast segment field
Device 1 carries out the interaction of location information, and can send instruction to mobile trolley used 3 and hydraulic control panel 4.
The control point 2 includes acquisition module, computing module and control module, when positioner 1 communication module to
When control point 2 sends three-dimensional coordinate information, acquisition module passes the three-dimensional coordinate information for receiving the three-dimensional coordinate information
To computing module, the computing module at control point is used to carry out the three-dimensional coordinate information translation operation of coordinate system, will receive
Local coordinate system under coordinate value be converted to the coordinate value under global coordinate system, to obtain the prefabricated coordinate of above-mentioned measuring point
Value.Computing module continues operation, and obtained prefabricated coordinate value is compared with theoretical coordinate value, and theoretical coordinate value is to pour
Before erecting beginning segment, the coordinate position that starting segment that design software is calculated should theoretically be located at, theoretical coordinate value is logical
The input module input for crossing control point, finally obtains the prefabricated linear adjusted value in all directions of starting segment, computing module
The adjusted value is reached into control module, the hydraulic control that control module can control mobile trolley used 3 and be arranged on mobile trolley used 3
Platform 4, to realize the adjustment to originating segment position.
In order to realize the control and positioning to mobile trolley used 3 and hydraulic control panel 4, position is also installed on mobile trolley used 3
Controller 1 is set, the position control on mobile trolley used 3 includes measurement module and communication module, and wherein measurement module is used for
Mobile trolley used 3 position relative to control point 2 is measured, communication module is used to mobile trolley used 3 location information being sent to control
In the acquisition module of point 2, to ensure that the acquisition module at control point 2 can receive mobile trolley used 3 location information, and control
The control module of point 2 can be moved according to mobile trolley used 3 real-time position information control mobile trolley used 3, in addition, control mould
Block can also control the hydraulic control panel 4 on mobile trolley used 3 and act, and the hydraulic system of control hydraulic control panel 4 is completed
Rotation and descending operation, to realize the adjustment of elevation and plan-position to originating segment.
Include to originating the step of segment position is modified using hydraulic control panel 4：When starting segment reaches age
Afterwards, side form is removed, starting segment is moved to precalculated position together with bed die under the drive of trolley, the hydraulic control panel 4 on trolley
Under the accurately controlling of control system, mobile starting segment is at theoretical relative position.
In compared with the prior art, by total powerstation, measure that the measuring apparatus such as tower measure measurement point in the way of, this
Application uses automatic control system, in the makeover process of entire prefabricated subsection position, it is only necessary to which a staff is being controlled
It is operated at system point 2, so that it may which, to realize the automatic amendment of prefabricated subsection position, it is pre- that saving human cost improves segment simultaneously
The working efficiency of system, while saving the setting in precasting yard and measuring the cumbersome of tower.
In order to ensure positioner 1 measure location information precision and conveniently to mobile trolley used 3 and hydraulic control panel 4
Control be adjusted, control point 2 can be according in precasting yard actual mobile trolley used 3 and the number of 4 quantity of hydraulic control panel
It is arranged, four mobile trolley used 3 be located in two parallel lines and setting is controlled simultaneously for example, by using a control point 2
Hydraulic control panel 4 on this four mobile trolley used 3.
After the position correction for originating segment is accurate, using prefabricated starting segment as end mould, second section is built
Template, the casting concrete into template form second section.
When the concrete initial set of second section in template, six measuring points are also arranged in the cover top surface of second section
（It is respectively labeled as on Fig. 2：A2,B2,C2,D2,E2,F2）, and the installation site controller 1 on each measuring point respectively, it is described
The measurement module of positioner 1 accurately measures the location information of positioner 1 and control point 2, each positioner 1
Measurement module is sent to data processing module, data processing by the obtained measuring point is measured relative to the location information at control point 2
After module receives above- mentioned information, the location information of the measuring point is handled, it is opposite with control to be translated into the measuring point
2 coordinate value under three-dimensional system of coordinate of point, later, communication module in each positioner 1 is by above-mentioned three-dimensional coordinate information
It is sent to the acquisition module at control point 2.
The three-dimensional coordinate information is reached calculating mould by the acquisition module at control point 2 for receiving the three-dimensional coordinate information
The three-dimensional coordinate information is carried out the translation operation of coordinate system, the local coordinate received is converted to entirety by block, computing module
Coordinate, to obtain second section measuring point prefabricated coordinate value.Computing module continues operation, the prefabricated coordinate that will be obtained
Value is compared with theoretical coordinate value, theoretical coordinate value be pour second section before, be calculated by design software second
The coordinate position that segment should theoretically be located at.The prefabricated linear adjusted value in all directions of second section is finally obtained, is counted
It calculates module and the adjusted value is reached into control module, the liquid that control module can control mobile trolley used 3 and be arranged on mobile trolley used 3
Console 4 is pressed, to realize the adjustment to second section position.
After the completion of second section pours, it is located at the positioner 1 on starting segment and measures again six on starting segment
The location information of a measuring point, and the location information is fed back to the acquisition module at control point.Since second section is poured in concrete
So that the position of starting segment is changed during building and vibrating, therefore, measures starting segment again
Position, calculate starting segment site error, this error can be compensated by adjusting the relative position of next segment and
It corrects, to improve the linear precision of prefabricated subsection.
After completing aforesaid operations, second section is by the end mould as adjacent next segment to be poured, to complete two sections
The linear matching of section, and for matched first segment is completed, beam strorage area maintenance, storage will be transported to.
For the ease of installing and dismantling, positioner 1 passes through bolt and the pedestal for being embedded in precast bridge segment top surface
Dismountable connection.
Finally it should be noted that：The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof, to the greatest extent
Invention is explained in detail with reference to above-described embodiment for pipe, and person of an ordinary skill in the technical field should be appreciated that
The specific implementation mode of the present invention can be still modified or replaced equivalently, and without departing from spirit and scope of the invention
Any modification or equivalent replacement, are intended to be within the scope of the claims of the invention.
Claims (10)
1. a kind of automatic control system applied to short-line prefabrication bridge subsection, which is characterized in that the system comprises：
Several control points and multiple positioners, the control point include：Acquisition module, computing module and control module；
The acquisition module is used for the location information of acquisition position controller；
The location information that the computing module is collected into for operation with the processing acquisition module；Then by the acquisition module
Collected location information and the location information of initial designs are compared, and the ginseng that position correction is carried out to hydraulic control panel is obtained
Number；
The corrected parameter that the control module is used to be obtained according to computing module, controls hydraulic control panel；
The positioner is set to the top surface of precast bridge segment, including measurement module and communication module, and measurement module is used
In the location information for measuring positioner, communication module is used to location information being transmitted to the acquisition mould at the control point
Block.
2. a kind of automatic control system according to claim 1, which is characterized in that the measurement mould in the positioner
Block can accurately measure location information of the positioner place measuring point relative to control point, further include in the positioner
Positioner is converted into prefabricated section by data processing module, the data processing module relative to the location information at control point
The coordinate value of section, the coordinate value are transmitted to the acquisition module at the control point by communication module.
3. a kind of automatic control system according to claim 2, which is characterized in that the seat that the acquisition module will receive
Scale value is sent to the computing module, and the computing module carries out the conversion of coordinate system after receiving the coordinate value, so that it is determined that
The prefabricated coordinate value of bridge prefabrication segment.
4. a kind of automatic control system according to claim 3, which is characterized in that determining the prefabricated of bridge prefabrication segment
After coordinate value, prefabricated coordinate value is compared with theoretical coordinate value for the computing module, calculates the bridge subsection position
Adjusted value.
5. a kind of automatic control system according to claim 1, which is characterized in that the positioner is also provided at shifting
On dynamic trolley, the hydraulic control panel be equipped on it is described it is mobile trolley used on, can realize that hydraulic control panel exists by mobile trolley used
Mobile trolley used real-time position information can be sent to described by the movement in plane, the communication module in the positioner
In the acquisition module at control point, mobile trolley used real-time position information is sent to the control module by the acquisition module, is led to
Adjustment to mobile trolley used plan-position can be realized by crossing the control module.
6. a kind of automatic control system according to claim 1, which is characterized in that the control module is for controlling hydraulic pressure
The hydraulic system of console completes rotation and descending operation, to realize to the elevation of precast bridge segment and repairing for plan-position
Just.
7. a kind of automatic control system according to claim 1, which is characterized in that the control point further includes：Input mould
Block is inputted the theoretical position coordinate value of precast bridge segment by the input module before pouring bridge prefabrication segment.
8. a kind of automatic control system according to claim 1, which is characterized in that the control point is that a control is whole
End, the control terminal can carry out the interaction of location information with any one positioner in precast segment field, and can
It is instructed to hydraulic control panel and mobile trolley used transmission.
9. a kind of automatic control system according to claim 1, which is characterized in that the top surface in each precast bridge segment
The quantity of the upper arrangement positioner is 6.
10. a kind of automatic control system according to claim 1, which is characterized in that the positioner passes through bolt
It is removably connect with the pedestal for being embedded in precast bridge segment top surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810912481.1A CN108762059A (en) | 2018-08-12 | 2018-08-12 | A kind of automatic control system applied to short-line prefabrication bridge subsection |
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| CN201810912481.1A CN108762059A (en) | 2018-08-12 | 2018-08-12 | A kind of automatic control system applied to short-line prefabrication bridge subsection |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110016865A (en) * | 2019-04-08 | 2019-07-16 | 中国铁建大桥工程局集团有限公司 | A kind of PK section prestressed concrete box girder construction method |
| CN110029585A (en) * | 2019-05-23 | 2019-07-19 | 郑州大学 | A kind of device and application method for precast segment assembly straight bridge alignment control |
| CN112813834A (en) * | 2020-12-31 | 2021-05-18 | 中铁八局集团昆明铁路建设有限公司 | Beam piece mounting system and mounting method |
| CN117572878A (en) * | 2024-01-17 | 2024-02-20 | 四川省铁路建设有限公司 | Full-automatic frame bridge construction integrated intelligent trolley control method and system |
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| CN110016865A (en) * | 2019-04-08 | 2019-07-16 | 中国铁建大桥工程局集团有限公司 | A kind of PK section prestressed concrete box girder construction method |
| CN110029585A (en) * | 2019-05-23 | 2019-07-19 | 郑州大学 | A kind of device and application method for precast segment assembly straight bridge alignment control |
| CN112813834A (en) * | 2020-12-31 | 2021-05-18 | 中铁八局集团昆明铁路建设有限公司 | Beam piece mounting system and mounting method |
| CN117572878A (en) * | 2024-01-17 | 2024-02-20 | 四川省铁路建设有限公司 | Full-automatic frame bridge construction integrated intelligent trolley control method and system |
| CN117572878B (en) * | 2024-01-17 | 2024-03-19 | 四川省铁路建设有限公司 | Full-automatic frame bridge construction integrated intelligent trolley control method and system |
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