CN110514176A - A kind of steel truss girder assembly detection device and its detection method - Google Patents
A kind of steel truss girder assembly detection device and its detection method Download PDFInfo
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- CN110514176A CN110514176A CN201910802466.6A CN201910802466A CN110514176A CN 110514176 A CN110514176 A CN 110514176A CN 201910802466 A CN201910802466 A CN 201910802466A CN 110514176 A CN110514176 A CN 110514176A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 103
- 239000010959 steel Substances 0.000 title claims abstract description 103
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 238000005259 measurement Methods 0.000 claims abstract description 213
- 238000005286 illumination Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 13
- 238000010276 construction Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 230000001678 irradiating effect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000007596 consolidation process Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Classifications
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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
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a kind of steel truss girder assembly detection device and its detection methods, are related to steel truss girder assembly field of measuring technique.Assembly detection device of the invention includes: turning hinge formula inclination measurement ruler, turning hinge formula inclination measurement ruler includes the first inclination measurement ruler and the second inclination measurement ruler, one end of first inclination measurement ruler and one end of the second inclination measurement ruler are equipped with articulated section, precise electronic dipmeter is equipped on first inclination measurement ruler and the second inclination measurement ruler, turning hinge formula inclination measurement ruler is used to measure the gradient of each rod piece of steel truss girder；Laser range finder, laser range finder are mounted on the articulated section of the first inclination measurement ruler and the second inclination measurement ruler, and laser range finder is used to measure the catercorner length of steel truss girder.The assembly detection device be equipped with laser range finder, laser range finder can it is point-to-point directly measure steel truss girder connection between face diagonal length and body diagonal length, improve face diagonal length and body diagonal measurement of length precision.
Description
Technical field
The present invention relates to steel truss girder assembly field of measuring technique, be specifically related to a kind of steel truss girder assembly detection device and its
Detection method.
Background technique
Steel truss girder is the primary structure form that modern bridge is widely used.Steel truss beam construction method includes the whole aperture frame of steel truss girder
If, whole segmental erection, incremental launching construction, cantilever assembly erection construction etc., but regardless of which kind of form steel truss girder construct, be all from steel truss girder
The factory of rod piece is pre-splicing or on-site consolidation measurement starts control.
The main Con trolling index of steel truss girder assembly measurement is rod piece respectively to catercorner length between gradient and node, items control
Index accuracy processed requires height, diagonal between each node of catercorner length index request steel truss girder to be checked especially between steel truss girder connection
Line length (the space body diagonal line length between face diagonal length and four nodes including steel truss girder each segment six plane
Degree) measurement accuracy require 2mm error.
Traditional steel truss girder assembly measurement generally uses " theodolite axis and steel ruler measure method ", uses more theodolite vertical pivots
Axis measure the horizontal and vertical gradient of each rod piece of steel truss girder respectively, measured respectively with steel ruler diagonal between each node of steel truss girder
Line length.Or " total station three-dimensional coordinate method " is used, by measuring the three-dimensional coordinate of each rod piece two-end-point of steel truss girder, calculate steel truss
Catercorner length between the horizontal and vertical gradient and node of each rod piece of beam." theodolite axis and steel ruler measure method " needs to be equipped with
Professional's operation, occupancy personnel are more, and work efficiency is low." total station three-dimensional coordinate method " can only calculate the cross of each rod piece of steel truss girder indirectly
It to the catercorner length between fore-and-aft tilt degree and node, is influenced by construction interference, intervisibility, needs repeatedly to dispose whole station in different location
Instrument could complete the coordinate acquisition measurement of all characteristic points of rod piece, and which increase equipment placement error and coordinate measuring errors.Entirely
Instrument three-dimensional coordinate method of standing cannot directly measure catercorner length, the reason is that total station design feature determines that it can not dispose, is right
In at steel truss girder connection, the outside of steel truss girder connection can only be placed in, catercorner length between indirect measuring node uses rod piece
The coordinate of characteristic point calculates catercorner length indirectly, this causes catercorner length precision lower.Obviously, traditional measurement method process
Complexity, technique is backward, work efficiency is low, and measurement accuracy is low, it would be highly desirable to improve.
Summary of the invention
The purpose of the invention is to overcome the middle traditional measurement method complex procedures of above-mentioned background technique, technique it is backward,
Work efficiency is low, the low deficiency of measurement accuracy, provides a kind of steel truss girder assembly detection device and its detection method.
The present invention provides a kind of steel truss girder assembly detection device, comprising:
Turning hinge formula inclination measurement ruler, the turning hinge formula inclination measurement ruler include the first inclination measurement ruler and the second inclination measurement
One end of ruler, one end of the first inclination measurement ruler and the second inclination measurement ruler is equipped with articulated section, the first inclination measurement ruler and second
Inclination measurement ruler is relatively rotated by axle center of articulated section, is equipped with essence on the first inclination measurement ruler and the second inclination measurement ruler
The sub- dipmeter of cipher telegram, turning hinge formula inclination measurement ruler are used to measure the gradient of each rod piece of steel truss girder；
Laser range finder, the laser range finder are mounted on the hinged of the first inclination measurement ruler and the second inclination measurement ruler
Portion, laser range finder are used to measure the catercorner length of steel truss girder.
Preferred embodiment: the structure of the first inclination measurement ruler and the second inclination measurement ruler is identical, the first inclination measurement ruler
It is long strip shape structure with the second inclination measurement ruler, still has in the first inclination measurement ruler and the second inclination measurement ruler and essence
The power supply of cipher telegram dipmeter electrical connection is additionally provided with magnet in the first inclination measurement ruler and the second inclination measurement ruler, described
Magnet is used to the first inclination measurement ruler and the second inclination measurement ruler be adsorbed on steel truss girder.
Preferred embodiment: the articulated section includes rotary shaft, the rotary shaft respectively with one end of the first inclination measurement ruler and
One end of second inclination measurement ruler is rotatablely connected, the axis of the first inclination measurement ruler and the second inclination measurement ruler with rotary shaft
Axis is vertical, and the first inclination measurement ruler and the second inclination measurement ruler are relatively rotated by axle center of rotary shaft.
Preferred embodiment: the articulated section further includes ball hinged universal joint support, the spherical shape of the ball hinged universal joint support
Shell is consolidated with rotary shaft, and the centre of sphere of ball hinged universal joint support is located on the center line of rotary shaft, the laser
Rangefinder is mounted on ball hinged universal joint support, and laser range finder is freely rotated on ball hinged universal joint support.
Preferred embodiment: the laser range finder is equipped with laser reflection piece, and the laser reflection piece is pasted onto laser range finder
On the steel truss girder of the diagonal of position.
Preferred embodiment: center line is carved on the outer wall of the first inclination measurement ruler and the second inclination measurement ruler.
Another aspect of the present invention provides a kind of detection method of steel truss girder assembly detection device, comprising the following steps:
Step 1 selects the first vertex of steel truss girder segment as detection node, and the first of turning hinge formula inclination measurement ruler is inclined
Oblique measuring scale is adsorbed on the X-axis rod piece on the first vertex, and the second inclination measurement ruler is adsorbed on the Y-axis rod piece on the first vertex, will
The centerline parallel of the center line of first inclination measurement ruler and X-axis rod piece, in the center line and Y-axis rod piece of the second inclination measurement ruler
Heart line is parallel, reads the gradient of X-axis rod piece and the gradient of Y-axis rod piece respectively；
The corresponding vertex position in the face diagonal direction of plane where step 2, X-axis rod piece and Y-axis rod piece on the first vertex
It sets and pastes laser reflecting piece, open laser range finder, laser range finder is directed toward the laser reflecting piece, measures laser range finder
To the length of the face diagonal of plane where X-axis rod piece and Y-axis rod piece；
First inclination measurement ruler of turning hinge formula inclination measurement ruler is adsorbed on the X-axis rod piece on the first vertex by step 3, the
Two inclination measurement rulers are adsorbed on the Z axis rod piece on the first vertex, by the center of the center line of the first inclination measurement ruler and X-axis rod piece
Line is parallel, and the center line and Z axis rod piece centerline parallel of the second inclination measurement ruler read the gradient and Z axis of X-axis rod piece respectively
The gradient of rod piece；
The corresponding vertex position in the face diagonal direction of plane where step 4, X-axis rod piece and Z axis rod piece on the first vertex
It sets and pastes laser reflecting piece, open laser range finder, laser range finder is directed toward the laser reflecting piece, measures laser range finder
To the length of the face diagonal of plane where X-axis rod piece and Z axis rod piece；
First inclination measurement ruler of turning hinge formula inclination measurement ruler is adsorbed on the Y-axis rod piece on the first vertex by step 5, the
Two inclination measurement rulers are adsorbed on the Z axis rod piece on the first vertex, by the center of the center line of the first inclination measurement ruler and Y-axis rod piece
Line is parallel, and the center line and Z axis rod piece centerline parallel of the second inclination measurement ruler read the gradient and Z axis of Y-axis rod piece respectively
Rod piece (gradient；
The corresponding vertex position in the face diagonal direction of plane where step 6, Y-axis rod piece and Z axis rod piece on the first vertex
It sets and pastes laser reflecting piece, open laser range finder, laser range finder is directed toward the laser reflecting piece, measures laser range finder
To the length of the face diagonal of plane where Y-axis rod piece and Z axis rod piece；
Step 7 repeats step 1 to step 6, and turning hinge formula inclination measurement ruler is sequentially arranged to the second top of steel truss girder segment
O'clock to the 8th vertex position, gradient, the Y-axis bar of the X-axis rod piece on the second vertex to the 8th vertex position are measured respectively
The gradient of part, the gradient of Z axis rod piece, the length of the face diagonal of X-axis rod piece and plane where Y-axis rod piece, X-axis rod piece and
The length of the face diagonal of the length of the face diagonal of plane, Y-axis rod piece and plane where Z axis rod piece where Z axis rod piece；
The gradient of step 8, so far, every X-axis rod piece of steel truss girder segment, Y-axis rod piece and Z axis rod piece measures respectively
Four times, the length of the face diagonal between each vertex of steel truss girder segment measures twice respectively, and it is average finally to calculate separately it
Value is used as measurement result.
Preferred embodiment: in the step 2 further include: in the corresponding vertex position in the body diagonal direction where the first vertex
Laser reflecting piece is pasted, laser range finder is opened, adjusts the direction of illumination of laser range finder, is made described in laser range finder direction
Laser reflecting piece, measure laser range finder to the first vertex where body diagonal direction corresponding to vertex position body diagonal
Length.
Preferred embodiment: the length of the face diagonal and the length of body diagonal are as follows: laser range finder to other each vertex
Distance and the sum of laser range finder constant, obtain the steel truss girder segment vertex to other vertex where turning hinge formula inclination measurement ruler
Between distance.
Preferred embodiment: steel truss girder segment vertex where turning hinge formula inclination measurement ruler to the distance between other each vertex is L,
The distance on the laser range finder to other each vertex is l, and laser range finder constant is laser range finder to the first inclination measurement
The distance l of ruler and the second inclination measurement ruler outer wall intersection point0, then it is arrived in the steel truss girder segment vertex where turning hinge formula inclination measurement ruler
The calculation formula of distance L between its each vertex are as follows: L=l+l0。
Based on the above technical solution, compared with prior art, advantages of the present invention is as follows:
1) a kind of steel truss girder assembly detection device of the invention, the assembly detection device are equipped with the first inclination measurement ruler and the
It is mounted on precise electronic dipmeter on two inclination measurement rulers, the first inclination measurement ruler and the second inclination measurement ruler, once can
Measure the inclination angle of the rod piece of the both direction on a vertex of steel truss girder segment, the first inclination measurement ruler and the second inclination measurement
Precise electronic dipmeter on ruler directly can measure and show each to gradient, gradient measurement precision of each rod piece of steel truss girder
It is high.
2) a kind of steel truss girder assembly detection device of the invention, the assembly detection device are equipped with laser range finder, Laser Measuring
Distance meter can it is point-to-point directly measure steel truss girder connection between face diagonal length and body diagonal length, face diagonal length and
Body diagonal linear measure longimetry precision is high, and each face diagonal length and body diagonal length have carried out round-trip survey, take past
Return survey average value as opposite diagonal length and body diagonal measurement of length as a result, further improve face diagonal length with
Body diagonal measurement of length precision.
3) a kind of steel truss girder assembly detection device of the invention, the first inclination measurement ruler of the assembly detection device and second
It is equipped with magnet on inclination measurement ruler, the face diagonal between the inclination angle and steel truss girder connection of each rod piece of detection steel truss girder segment
When length and body diagonal length, magnet can adsorb the first inclination measurement ruler and the second inclination measurement ruler and be located in rod piece
On, manual measurement difficulty is reduced, measurement efficiency is improved.
4) a kind of steel truss girder assembly detection device of the invention, the first inclination measurement ruler of the assembly detection device and second
It is rotatablely connected between inclination measurement ruler by rotary shaft, the first inclination measurement ruler and the second inclination measurement ruler can be according to steel truss girders
The inclination angle of each rod piece of segment is adaptively adjusted, and improves the measurement accuracy at the inclination angle of each rod piece of steel truss girder segment.In rotary shaft
It is equipped with ball hinged universal joint support, for being flexibly connected laser range finder, when use can pass through ball hinged universal joint support
Ball hinged universal joint support adjusts the irradiating angle of laser range finder, and the face diagonal and body for measuring different directions are diagonal
Line.
Detailed description of the invention
Fig. 1 is the turning hinge formula inclination measurement ruler structural front view of the embodiment of the present invention；
Fig. 2 is the turning hinge formula inclination measurement ruler structure top view of the embodiment of the present invention；
Fig. 3 is the scheme of installation of the turning hinge formula inclination measurement ruler of the embodiment of the present invention；
Fig. 4 is the partial enlarged view in Fig. 3 at A.
Appended drawing reference: 1- turning hinge formula inclination measurement ruler, 2- the first inclination measurement ruler, 3- the second inclination measurement ruler, 4- rotation
Axis, 5- power supply, 6- magnet, 7- precise electronic dipmeter, 8- ball hinged universal joint support, 9- laser range finder, 10- face angle
Line, 11- steel truss girder, 12- body diagonal, 13-X axis bar, 14-Y axis bar, 15-Z axis bar.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Embodiment 1
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of steel truss girder assembly detection device, comprising:
Turning hinge formula inclination measurement ruler 1, the turning hinge formula inclination measurement ruler 1 include that the first inclination measurement ruler 2 and the second inclination are surveyed
One end of gage 3, one end of the first inclination measurement ruler 2 and the second inclination measurement ruler 3 is equipped with articulated section.Articulated section includes rotary shaft
4, rotary shaft 4 is rotatablely connected with one end of the first inclination measurement ruler 2 and one end of the second inclination measurement ruler 3 respectively, the first inclination
The axis of measuring scale 2 and the second inclination measurement ruler 3 is vertical with the axis of rotary shaft 4, the first inclination measurement ruler 2 and the second inclination
Measuring scale 3 is axle center relative rotation with rotary shaft 4.
First inclination measurement ruler 2 is identical with the structure of the second inclination measurement ruler 3, the first inclination measurement ruler 2 and the second inclination
Measuring scale 3 is long strip shape structure, 2 He of the first inclination measurement ruler
Center line is carved on the outer wall of second inclination measurement ruler 3.In the first inclination measurement ruler 2 and the second inclination measurement ruler
Precise electronic dipmeter 7 is equipped in 3, turning hinge formula inclination measurement ruler 1 is used to measure the gradient of each rod piece of steel truss girder 11.
Be equipped with the power supply 5 being electrically connected with precise electronic dipmeter 7 in one inclination measurement ruler 2 and the second inclination measurement ruler 3, power supply 5 to
Precise electronic dipmeter 7 is powered, and power supply 5 can be selected as dry cell or battery.
Laser range finder 9, laser range finder 9 are mounted on the hinged of the first inclination measurement ruler 2 and the second inclination measurement ruler 3
Portion, laser range finder 9 are used to measure the catercorner length of steel truss girder 11.Laser range finder 9 is equipped with laser reflection piece, and the laser is anti-
It penetrates on the steel truss girder 11 for the diagonal that piece is pasted onto 9 position of laser range finder,
Working principle
A kind of steel truss girder assembly detection device of the invention, assembled detection device are used to detect each rod piece of steel truss girder 11
Catercorner length between gradient and each node, when detecting, the present embodiment have chosen appointing in multiple segments in steel truss girder 11
It being illustrated for one segment, the structure of each segment of steel truss girder 11 is cuboid framework structure or square frame structure, by
12 rod pieces, 8 vertex and 6 plane compositions.The assembly detection device is equipped with the first inclination measurement ruler 2 and the second inclination measurement
Precise electronic dipmeter 7, the first inclination measurement ruler 2 are mounted on ruler 3, the first inclination measurement ruler 2 and the second inclination measurement ruler 3
It can once be measured respectively on a vertex of 11 segment of steel truss girder with the precise electronic dipmeter 7 of the second inclination measurement ruler 3
The inclination angle of the rod piece of both direction.Precise electronic dipmeter 7 on first inclination measurement ruler 2 and the second inclination measurement ruler 3 is number
Aobvious precise electronic dipmeter directly can measure and show each to gradient of each rod piece of steel truss girder, and gradient measurement precision is high.
The assembly detection device is equipped with laser range finder 9 simultaneously, and laser range finder 9 point-to-point can directly measure between 11 node of steel truss girder
Face diagonal 10 length and body diagonal 12 length, the linear measure longimetry essence of the length of face diagonal 10 and body diagonal 12
Degree is high, and the length of each face diagonal 10 and the length of body diagonal 12 have carried out round-trip survey, takes round-trip survey average value
As the length of opposite linea angulata 10 and the measurement of length of body diagonal 12 as a result, further improving the length of face diagonal 10
With the measurement of length precision of body diagonal 12.According to the length of the face diagonal 10 measured and the length of body diagonal 12 with set
The length of fixed theoretical face diagonal 10 and the length of body diagonal 12 compare, and detect the length of actually measured face diagonal 10
Whether the length of degree and body diagonal 12 meets the required precision of setting, to the rod piece for being unsatisfactory for required precision be adjusted until
Catercorner length is within the set range.
Embodiment 2
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of steel truss girder assembly detection device, the present embodiment and reality
It applies example 1 to be compared to difference: being additionally provided with magnet 6 in the first inclination measurement ruler 2 and the second inclination measurement ruler 3, which is used for handle
First inclination measurement ruler 2 and the second inclination measurement ruler 3 are adsorbed on steel truss girder 11.Detecting each rod piece of 11 segment of steel truss girder
When the length of the face diagonal 10 between 11 node of inclination angle and steel truss girder and the length of body diagonal 12, magnet 6 can incline first
Oblique measuring scale 2 and the second inclination measurement ruler 3 are adsorbed and are located on the rod piece of steel truss girder 11, are reduced manual measurement difficulty, are mentioned
High measurement efficiency.
Embodiment 3
Referring to figure 1 and figure 2, the embodiment of the present invention provides a kind of steel truss girder assembly detection device, the present embodiment and reality
Apply example 1 to be compared to difference: articulated section further includes ball hinged universal joint support 8, the spherical housing of ball hinged universal joint support 8 with
Rotary shaft 4 is consolidated, and the centre of sphere of ball hinged universal joint support 8 is located on the center line of rotary shaft 4.Laser range finder 9
It is mounted on ball hinged universal joint support 8, laser range finder 9 is freely rotated on ball hinged universal joint support 8.Ball-and-socket hinge style is universal
For being flexibly connected laser range finder 9, when use, can pass through ball hinged universal joint support 8 and adjust laser range finder 9 section support 8
Irradiating angle, for measuring the face diagonal 10 and body diagonal 12 of different directions.
Embodiment 4
As shown in Figure 3 and Figure 4, the present invention provides a kind of detection method of steel truss girder assembly detection device, including it is following
Step:
Step 1 selects the first vertex of 11 segment of steel truss girder as detection node, by the of turning hinge formula inclination measurement ruler 1
One inclination measurement ruler 2 is adsorbed on the X-axis rod piece 13 on the first vertex, and the second inclination measurement ruler 3 is adsorbed on the Y-axis bar on the first vertex
On part 14, by the centerline parallel of the center line of the first inclination measurement ruler 2 and X-axis rod piece 13, the center of the second inclination measurement ruler 3
The centerline parallel of line and Y-axis rod piece 14 reads the gradient of X-axis rod piece 13 and the gradient of Y-axis rod piece 14 respectively.
Step 2, the first vertex 14 place plane of X-axis rod piece 13 and Y-axis rod piece 10 direction of face diagonal correspondence
Vertex position pastes laser reflecting piece, opens laser range finder 9, and laser range finder 9 is directed toward the laser reflecting piece, and measurement swashs
Optar 9 arrives the length of the face diagonal 10 of 14 place plane of X-axis rod piece 13 and Y-axis rod piece.
Step 3, the X-axis rod piece 13 that the first inclination measurement ruler 2 of turning hinge formula inclination measurement ruler 1 is adsorbed on to the first vertex
On, the second inclination measurement ruler 3 is adsorbed on the Z axis rod piece 15 on the first vertex, by the center line and X-axis of the first inclination measurement ruler 2
The centerline parallel of rod piece 13, the center line of the second inclination measurement ruler 3 and the centerline parallel of Z axis rod piece 15, read X-axis respectively
The gradient of rod piece 13 and the gradient of Z axis rod piece 15.
Step 4, the first vertex 15 place plane of X-axis rod piece 13 and Z axis rod piece 10 direction of face diagonal correspondence
Vertex position pastes laser reflecting piece, opens laser range finder 9, and laser range finder 9 is directed toward the laser reflecting piece, and measurement swashs
Optar 9 arrives the length of the face diagonal 10 of 15 place plane of X-axis rod piece 13 and Z axis rod piece.
Step 5, the Y-axis rod piece 14 that the first inclination measurement ruler 2 of turning hinge formula inclination measurement ruler 1 is adsorbed on to the first vertex
On, the second inclination measurement ruler 3 is adsorbed on the Z axis rod piece 15 on the first vertex, by the center line and Y-axis of the first inclination measurement ruler 2
The centerline parallel of rod piece 14, the center line of the second inclination measurement ruler 3 and the centerline parallel of Z axis rod piece 14, read Y-axis respectively
The gradient of rod piece 14 and the gradient of Z axis rod piece 15.
Step 6, the first vertex 15 place plane of Y-axis rod piece 14 and Z axis rod piece 10 direction of face diagonal correspondence
Vertex position pastes laser reflecting piece, opens laser range finder 9, and laser range finder 9 is directed toward the laser reflecting piece, and measurement swashs
Optar 9 arrives the length of the face diagonal 10 of 15 place plane of Y-axis rod piece 14 and Z axis rod piece.
Step 7 repeats step 1 to step 6, and turning hinge formula inclination measurement ruler 1 is sequentially arranged at the of 11 segment of steel truss girder
Two vertex to the 8th vertex position, measure respectively the X-axis rod piece 13 on the second vertex to the 8th vertex position gradient,
The face diagonal 10 of the gradient of Y-axis rod piece 14,14 place plane of the gradient of Z axis rod piece 15, X-axis rod piece 13 and Y-axis rod piece
15 place plane of length, X-axis rod piece 13 and Z axis rod piece face diagonal 10 15 institute of length, Y-axis rod piece 14 and Z axis rod piece
In the length of the face diagonal 10 of plane.
Step 8, so far, the gradient point of every X-axis rod piece 13 of 11 segment of steel truss girder, Y-axis rod piece 14 and Z axis rod piece 15
It does not measure four times, the length of the face diagonal 10 between each vertex of 11 segment of steel truss girder measures twice respectively, finally divides
Its average value is not calculated as measurement result.
Embodiment 5
As shown in Figure 3 and Figure 4, the present invention provides a kind of detection methods of steel truss girder assembly detection device: the present embodiment
Difference is compared with Example 4: in step 2 further include: the corresponding vertex in the body diagonal direction 12 where the first vertex
Laser reflecting piece is pasted in position, opens laser range finder 9, adjusts the direction of illumination of laser range finder 9, refers to laser range finder 9
To the laser reflecting piece, vertex position corresponding to 12 direction of body diagonal where measurement the 9 to the first vertex of laser range finder
The length for the body diagonal 12 set, the length until measuring four on steel truss 11 body diagonals 12.
Wherein, the length of the length of face diagonal 10 and body diagonal 12 are as follows: laser range finder 9 to other each vertex away from
From the sum of with laser range finder constant, the segment vertex to other tops of the steel truss girder 11 where turning hinge formula inclination measurement ruler 1 is obtained
Distance between point.The 11 segment vertex of steel truss girder at 1 place of turning hinge formula inclination measurement ruler is L to the distance between other each vertex, is swashed
The distance on optar 9 to other each vertex is l, and laser range finder constant is 2 He of the 9 to the first inclination measurement of laser range finder ruler
The distance l of second inclination measurement ruler, 3 outer wall intersection point0, then the segment vertex of the steel truss girder 11 where turning hinge formula inclination measurement ruler 1 is arrived
The calculation formula of distance L between other each vertex are as follows: L=l+l0。
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of steel truss girder assembly detection device characterized by comprising
Turning hinge formula inclination measurement ruler (1), the turning hinge formula inclination measurement ruler (1) include that the first inclination measurement ruler (2) and second inclines
One end of oblique measuring scale (3), one end of the first inclination measurement ruler (2) and the second inclination measurement ruler (3) is equipped with articulated section, and first inclines
Oblique measuring scale (2) and the second inclination measurement ruler (3) using articulated section as axle center relative rotation, the first inclination measurement ruler (2) and
It is equipped with precise electronic dipmeter (7) on second inclination measurement ruler (3), turning hinge formula inclination measurement ruler (1) is for measuring steel truss girder
(11) gradient of each rod piece；
Laser range finder (9), the laser range finder (9) are mounted on the first inclination measurement ruler (2) and the second inclination measurement ruler (3)
Articulated section, laser range finder (9) is used to measure the catercorner lengths of steel truss girder (11).
2. a kind of steel truss girder assembly detection device as described in claim 1, it is characterised in that:
The first inclination measurement ruler (2) is identical with the structure of the second inclination measurement ruler (3), the first inclination measurement ruler (2) and
Two inclination measurement rulers (3) are long strip shape structure, in the first inclination measurement ruler (2) and the second inclination measurement ruler (3) still
There are the power supply (5) being electrically connected with precise electronic dipmeter (7), the first inclination measurement ruler (2) and the second inclination measurement ruler (3)
It is inside additionally provided with magnet (6), the magnet (6) is used to the first inclination measurement ruler (2) and the second inclination measurement ruler (3) be adsorbed on steel
On trusses (11).
3. a kind of steel truss girder assembly detection device as described in claim 1, it is characterised in that:
The articulated section includes rotary shaft (4), the rotary shaft (4) one end and second with the first inclination measurement ruler (2) respectively
One end of inclination measurement ruler (3) is rotatablely connected, the axis of the first inclination measurement ruler (2) and the second inclination measurement ruler (3) with rotation
The axis of shaft (4) is vertical, and the first inclination measurement ruler (2) and the second inclination measurement ruler (3) are turned with rotary shaft (4) for axle center is opposite
It is dynamic.
4. a kind of steel truss girder assembly detection device as claimed in claim 3, it is characterised in that:
The articulated section further includes ball hinged universal joint support (8), the spherical housing of the ball hinged universal joint support (8) and rotation
Shaft (4) is consolidated, and the centre of sphere of ball hinged universal joint support (8) is located on the center line of rotary shaft (4), the laser
Rangefinder (9) is mounted on ball hinged universal joint support (8), and laser range finder (9) is free on ball hinged universal joint support (8)
Rotation.
5. a kind of steel truss girder assembly detection device as described in claim 1, it is characterised in that:
The laser range finder (9) is equipped with laser reflection piece, and the laser reflection piece is pasted onto laser range finder (9) position
Diagonal steel truss girder (11) on.
6. a kind of steel truss girder assembly detection device as described in claim 1, it is characterised in that:
Center line is carved on the outer wall of the first inclination measurement ruler (2) and the second inclination measurement ruler (3).
7. a kind of detection method of steel truss girder assembly detection device as claimed in any one of claims 1 to 6, which is characterized in that packet
Include following steps:
Step 1 selects first vertex of steel truss girder (11) segment as detection node, by the of turning hinge formula inclination measurement ruler (1)
One inclination measurement ruler (2) is adsorbed on the X-axis rod piece (13) on the first vertex, and the second inclination measurement ruler (3) is adsorbed on the first vertex
Y-axis rod piece (14) on, by the centerline parallel of the center line of the first inclination measurement ruler (2) and X-axis rod piece (13), the second inclination
The center line and Y-axis rod piece (14) centerline parallel of measuring scale (3), read the gradient and Y-axis rod piece of X-axis rod piece (13) respectively
(14) gradient；
Step 2, pair in face diagonal (10) direction of plane where the X-axis rod piece (13) and Y-axis rod piece (14) on the first vertex
It answers vertex position to paste laser reflecting piece, opens laser range finder (9), laser range finder (9) is directed toward the laser reflecting piece,
The length of the face diagonal (10) of plane where measuring laser range finder (9) to X-axis rod piece (13) and Y-axis rod piece (14)；
Step 3, the X-axis rod piece (13) that the first inclination measurement ruler (2) of turning hinge formula inclination measurement ruler (1) is adsorbed on to the first vertex
On, the second inclination measurement ruler (3) is adsorbed on the Z axis rod piece (15) on the first vertex, by the center line of the first inclination measurement ruler (2)
With the centerline parallel of X-axis rod piece (13), the center line and Z axis rod piece (15) centerline parallel of the second inclination measurement ruler (3) divide
It Du Qu not the gradient of X-axis rod piece (13) and the gradient of Z axis rod piece (15)；
Step 4, pair in face diagonal (10) direction of plane where the X-axis rod piece (13) and Z axis rod piece (15) on the first vertex
It answers vertex position to paste laser reflecting piece, opens laser range finder (9), laser range finder (9) is directed toward the laser reflecting piece,
The length of the face diagonal (10) of plane where measuring laser range finder (9) to X-axis rod piece (13) and Z axis rod piece (15)；
Step 5, the Y-axis rod piece (14) that the first inclination measurement ruler (2) of turning hinge formula inclination measurement ruler (1) is adsorbed on to the first vertex
On, the second inclination measurement ruler (3) is adsorbed on the Z axis rod piece (15) on the first vertex, by the center line of the first inclination measurement ruler (2)
With the centerline parallel of Y-axis rod piece (14), the center line and Z axis rod piece (14) centerline parallel of the second inclination measurement ruler (3) divide
It Du Qu not the gradient of Y-axis rod piece (14) and the gradient of Z axis rod piece (15)；
Step 6, pair in face diagonal (10) direction of plane where the Y-axis rod piece (14) and Z axis rod piece (15) on the first vertex
It answers vertex position to paste laser reflecting piece, opens laser range finder (9), laser range finder (9) is directed toward the laser reflecting piece,
The length of the face diagonal (10) of plane where measuring laser range finder (9) to Y-axis rod piece (14) and Z axis rod piece (15)；
Step 7 repeats step 1 to step 6, and turning hinge formula inclination measurement ruler (1) is sequentially arranged at the of steel truss girder (11) segment
The inclination of the X-axis rod piece (13) on the second vertex to the 8th vertex position is measured on two vertex to the 8th vertex position respectively
Plane where degree, the gradient of Y-axis rod piece (14), the gradient of Z axis rod piece (15), X-axis rod piece (13) and Y-axis rod piece (14)
The length of the face diagonal (10) of the length of face diagonal (10), X-axis rod piece (13) and plane where Z axis rod piece (15), Y-axis bar
The length of the face diagonal (10) of plane where part (14) and Z axis rod piece (15)；
Step 8, so far, the inclination of every the X-axis rod piece (13), Y-axis rod piece (14) and Z axis rod piece (15) of steel truss girder (11) segment
Degree measures four times respectively, and the length of the face diagonal (10) between each vertex of steel truss girder (11) segment measures two respectively
It is secondary, its average value is finally calculated separately as measurement result.
8. a kind of detection method of steel truss girder assembly detection device as claimed in claim 7, it is characterised in that:
In the step 2 further include: paste laser in the corresponding vertex position in body diagonal (12) direction where the first vertex
Reflecting piece is opened laser range finder (9), and the direction of illumination of laser range finder (9) is adjusted, and is made described in laser range finder (9) direction
Laser reflecting piece, measurement laser range finder (9) to the first vertex where body diagonal (12) direction corresponding to vertex position
Body diagonal (12) length.
9. a kind of detection method of steel truss girder assembly detection device as claimed in claim 7, it is characterised in that:
The length of the face diagonal (10) and the length of body diagonal (12) are as follows: laser range finder (9) to other each vertex
It is arrived in the sum of distance and laser range finder constant, steel truss girder (11) segment vertex where obtaining turning hinge formula inclination measurement ruler (1)
Distance between its vertex.
10. a kind of detection method of steel truss girder assembly detection device as claimed in claim 9, it is characterised in that:
Steel truss girder (11) segment vertex where turning hinge formula inclination measurement ruler (1) to the distance between other each vertex be L, it is described to swash
The distance on optar (9) to other each vertex is l, and laser range finder constant is laser range finder (9) to the first inclination measurement
The distance l of ruler (2) and second inclination measurement ruler (3) outer wall intersection point0, then the steel truss girder where turning hinge formula inclination measurement ruler (1)
(11) calculation formula of the segment vertex to the distance L between other each vertex are as follows: L=l+l0。
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| CN113188498A (en) * | 2021-06-01 | 2021-07-30 | 陈菲儿 | Displacement measurement method and device and expansion displacement detection method and device |
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