A kind of steel pipe arch bridge hanger erection simulator and application method
Technical field
The invention belongs to steel pipe arch bridge technical field of construction, and in particular to a kind of steel pipe arch bridge hanger erection simulator and
Application method.
Background technique
Tubular arch sunpender make processing length and when actual installation error in length no more than 100mm, if beyond this away from
From sunpender will return factory's reprocessing, cause the waste of material and duration, bring certain difficulty to production.Currently, under tubular arch
Before material production, tape measure is mostly used to measure in advance greatly, but the stretching of tape measure and bending deformation can bring certain error to measurement,
Affect the precision of the blanking of sunpender.Simultaneously as the construction of arch rib penstock installation inevitably causes various errors, it is most likely that cause
In hanger erection, service sleeve cuts sunpender, while mouth is typically mounted in chamber under binder service sleeve, and measurement is extremely not
Just, it could find when hanger erection (tensioning), make troubles to production.
Summary of the invention
In order to overcome the cutting length of steel pipe arch bridge sunpender to be in the prior art not easy accurately control, hanger erection process error
The technological deficiencies such as big, the present invention provides a kind of steel pipe arch bridge hanger erection simulator and application methods, by laser pulse
Transmitter and total reflection prism, can measure steel tube arch rib before hanger erection and whether binder service sleeve position meets sunpender
Installation requirement and the practical cutting length of sunpender improve hanger erection and sunpender blanking accuracy, improve hanger construction efficiency.
The present invention is achieved through the following technical solutions above-mentioned purpose, a kind of steel pipe arch bridge hanger erection simulator, packet
Include arch rib steel pipe, arch rib casing, arch rib casing anchor plate, laser emitter fixed frame, laser pulse emission device, data analysis
Instrument, total reflection prism, binder and binder casing, the arch rib casing are nested in arch rib steel duct, and front end is welded with arch rib set
Pipe anchor plate;The laser emitter fixed frame is fixedly connected on arch rib casing anchor plate, for installing fixed laser pulse
Transmitter, and can realize that position of the laser pulse emission device on tri- directions X, Y, Z is adjusted;The laser pulse emission device
Transmitter plane is parallel to each other with arch rib casing anchor plate plane;The binder casing is nested in the inside of binder, rear end installation
There is total reflection prism;The data analyzer is in communication with each other with laser pulse emission device, and the reception of laser pulse emission device can be read
The laser beam and receiving time arrived.
A kind of above-mentioned steel pipe arch bridge hanger erection simulator, the laser emitter fixed frame include fixed erect
Bar, fixed frame cross bar, fixed frame vertical pole, Level tune nut, elevation adjusting nut and adjusting screw rod, the fixed frame vertical pole with
The fixed frame upright bar at both ends is fixed together, and middle position offers through slot, and fixed frame cross bar middle position is opened
It equipped with through slot, across the fixed frame vertical pole of left and right ends on length direction, and can be moved forward and backward, use along the through slot of fixed frame vertical pole
To control to adjust the position of laser pulse emission device in the X direction;The upper end of the adjusting screw rod passes through the logical of fixed frame cross bar
Slot can be moved left and right along the through slot of fixed frame cross bar, and can be attached fixation by Level tune nut and fixed frame cross bar,
For controlling to adjust the position of laser pulse emission device in the Y direction;The lower end of the adjusting screw rod passes through elevation adjusting nut
It is attached fixation with laser pulse emission device, for controlling to adjust the position of laser pulse emission device in z-direction.
A kind of above-mentioned steel pipe arch bridge hanger erection simulator, the laser pulse emission device can launching centre laser beams
With periphery laser beam, it can also be used as receiver and receive through the reflected laser beam signal of total reflection prism.
A kind of application method of steel pipe arch bridge hanger erection simulator of the present invention, which, which includes the following steps, comes
It realizes before steel pipe arch bridge hanger erection, length of boom and steel tube arch rib casing and the accurate of binder service sleeve position is imitated
It is true to calculate, measure:
A. after the completion of the arch rib penstock installation of steel pipe arch bridge, steel pipe arch bridge hanger erection simulator, the device are installed
Mainly comprising basic building blocks such as laser emitter fixed frame, laser pulse emission device, data analyzer and total reflection prisms;
B. the plane of departure for adjusting laser pulse emission device is allowed to be parallel to each other with arch rib casing anchor plate, transmitter center
The central point of point alignment arch rib casing anchor plate, opening laser pulse emission device makes its only launching centre laser beam, and adjusting is all-trans
Pulse signal can be received by penetrating on the position to data analyzer of prism, laser pulse emission device is read on data analyzer
The distance between total reflection prism, calculates sunpender molding length, and the theoretical value of the length subtracts sharp for actual read data
The distance of light pulse emission device and total reflection prism away from anchor plate;
C. opening laser pulse emission device again makes it only emit periphery laser beam, parallel laser of the transmitting width with sunpender
Whether beam, this section of casing of pulse spectral discrimination received according to data analyzer are able to satisfy the installation requirement of sunpender, judge according to
Whole pulse signals that periphery laser beam is reflected back through total reflection prism can be received according to for receiver;
D. sunpender is produced according to above-mentioned data blanking, and the position for adjusting arch rib casing and binder casing is allowed to meet sunpender
Installation requirement.
In general, through the invention it is contemplated above technical scheme is compared with the prior art, can achieve following has
Beneficial effect:
1, the distance of anchor case top surface and the pre-buried anchor plate of beam body is accurately measured using laser pulse, is that the blanking of sunpender is constructed
Sufficient theoretical foundation is provided, while saving manpower, improves construction efficiency;
2, the work progress of hanger erection is simulated in advance, and the work progress of sunpender is prejudged, it can be accurate
Judge whether service sleeve cuts sunpender, avoid later rework, has saved the construction period.
Detailed description of the invention
Specific embodiments of the present invention are further described in detail with reference to the accompanying drawing, in which:
Fig. 1 is a kind of overall structure diagram of steel pipe arch bridge hanger erection simulator of the present invention;
Fig. 2 is the main view of laser emitter fixed frame of the present invention and laser pulse emission device installation relation;
Fig. 3 is the top view of laser emitter fixed frame of the present invention and laser pulse emission device installation relation;
Fig. 4 is the laser beam distribution map of laser pulse emission device of the present invention transmitting;
In figure: 1- arch rib steel pipe, 2- arch rib casing, 3- arch rib casing anchor plate, 4- laser emitter fixed frame, 5- laser
Impulse sender, 6- data analyzer, 7- total reflection prism, 8- binder, 9- binder casing, 41- fixed frame upright bar, 42- are fixed
Frame cross bar, 43- fixed frame vertical pole, 44- Level tune nut, 45- elevation adjusting nut, 46- adjusting screw rod, 51- central laser
Beam, the periphery 52- laser beam.
Specific embodiment
As shown in Figure 1, for a kind of overall structure diagram of steel pipe arch bridge hanger erection simulator of the present invention, the sunpender
Installing simulation device includes arch rib steel pipe 1, arch rib casing 2, arch rib casing anchor plate 3, laser emitter fixed frame 4, laser arteries and veins
Transmitter 5, data analyzer 6, total reflection prism 7, binder 8 and binder casing 9 are rushed, the arch rib casing 2 is nested in arch rib steel
Inside pipe 1, front end is connected with arch rib casing anchor plate 3;The laser emitter fixed frame 4 is fixedly connected on arch rib casing anchor pad
On plate 3, for installing fixed laser impulse sender 5, and it can realize laser pulse emission device 5 on tri- directions X, Y, Z
Position is adjusted;The transmitter plane of the laser pulse emission device 5 is parallel to each other with 3 plane of arch rib casing anchor plate;The system
Beam casing pipe 9 is nested in the inside of binder 8, and rear end is equipped with total reflection prism 7;The data analyzer 6 and laser pulse emission
Device 7 is in communication with each other, and laser beam and receiving time that laser pulse emission device 5 receives can be read.
As shown in Figures 2 and 3, the installation for laser emitter fixed frame 4 of the present invention and laser pulse emission device 5 is closed
It is schematic diagram, the laser emitter fixed frame 4 includes fixed frame upright bar 41, fixed frame cross bar 42, fixed frame vertical pole 43, level
Adjusting nut 44, elevation adjusting nut 45 and adjusting screw rod 46, the fixed frame vertical pole 43 and the fixed frame upright bar 41 at both ends are solid
Surely it links together, and middle position offers through slot, 42 middle position of fixed frame cross bar offers through slot, length direction
On across left and right ends fixed frame vertical pole 43, and can be moved forward and backward along the through slot of fixed frame vertical pole 43, it is sharp for controlling to adjust
The position of light pulse emission device 5 in the X direction;The upper end of the adjusting screw rod 46 passes through the through slot of fixed frame cross bar 42, can edge
The through slot of fixed frame cross bar 42 moves left and right, and can be attached fixation by Level tune nut 44 and fixed frame cross bar 42,
For controlling to adjust the position of laser pulse emission device 5 in the Y direction;The lower end of the adjusting screw rod 46 adjusts spiral shell by elevation
Mother 45 is attached fixation with laser pulse emission device 5, for controlling to adjust the position of laser pulse emission device 5 in z-direction.
As shown in figure 4, for the laser beam distribution map of laser pulse emission device 5 of the present invention transmitting, the laser pulse
Transmitter 5 can launching centre laser beam 51 and periphery laser beam 52, can also be used as receiver reception reflected through total reflection prism 7
Laser beam signal back.
A kind of steel pipe arch bridge hanger erection simulator of the present invention when in use, is mainly realized by following steps in steel
Before the installation of pipe arch bridge suspender, accurate simulation meter is carried out to length of boom and steel tube arch rib casing 2 and binder service sleeve position
It calculates, measurement:
Step 1: after the arch rib steel pipe 1 of steel pipe arch bridge is installed, installing steel pipe arch bridge hanger erection simulator,
The device mainly includes the bases such as laser emitter fixed frame 4, laser pulse emission device 5, data analyzer 6 and total reflection prism 7
This component;
Step 2: the plane of departure for adjusting laser pulse emission device 5 is allowed to be parallel to each other with arch rib casing anchor plate 3, sends out
Emitter central point is directed at the central point of arch rib casing anchor plate 3, opens laser pulse emission device 5 and is allowed to only launching centre laser beam
51, pulse signal can be received on the position to data analyzer 6 of total reflection prism 7 by adjusting, and be read on data analyzer 6
The distance between laser pulse emission device 5 and total reflection prism 7, calculate sunpender molding length, and the theoretical value of the length is real
It reads data and subtracts the distance of laser pulse emission device 5 and total reflection prism 7 away from anchor plate in border;
Step 3: opening laser pulse emission device 5 again and be allowed to only emit periphery laser beam 52, and transmitting width is the same as the flat of sunpender
Whether row laser beam, this section of casing of pulse spectral discrimination received according to data analyzer 6 are able to satisfy the installation requirement of sunpender,
Judgment basis is that receiver can receive whole pulse signals that periphery laser beam 52 is reflected back through total reflection prism 7;
Step 4: sunpender is produced according to above-mentioned data blanking, and the position for adjusting arch rib casing 2 and binder casing 9 is allowed to
Meet the installation requirement of sunpender.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should all include
Within protection scope of the present invention.