CN205907605U - Laser positioning device that steel bridge segmental hoisting was under construction night - Google Patents
Laser positioning device that steel bridge segmental hoisting was under construction night Download PDFInfo
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- CN205907605U CN205907605U CN201620699290.8U CN201620699290U CN205907605U CN 205907605 U CN205907605 U CN 205907605U CN 201620699290 U CN201620699290 U CN 201620699290U CN 205907605 U CN205907605 U CN 205907605U
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Abstract
The utility model provides a laser positioning device that steel bridge segmental hoisting was under construction night for the hoist and mount location of steel structure bridge's segmentation steel case roof beam, including laying the laser emitter on installing steel case roof beam and laying the measurement board of taking the scale on waiting to install steel case roof beam. When construction hoist and mount at night, will treat to have installed steel case roof beam and lift by crane to the preset position after, open the laser emitter who installs on the steel case roof beam, utilize light along straight line propagation's principle, will manifest a luminous point on waiting to install the measurement board on the steel case roof beam. If the in position of luminous point be in to measure the initial point of scale on the board, then the explanation wait to install steel case position of sill and put the accuracy, if the installation not on the initial point, is then explained and has the error that site operations personnel accessible reads the coordinate of measuring on the board, adjusts the position of waiting to install steel case roof beam in the position of luminous point for wait to install steel case roof beam and installed steel case roof beam and also can realize accuracy, quick location at night, showing and reducing on -the -spot manpower measuring work load, reduce the human cost.
Description
Technical field
The utility model is related to the realm of building construction, the laser positioning that more particularly, to a kind of steel bridge segmental hoisting carries on construction work at night
Device.
Background technology
At present, in the construction of city steel structure bridge, the lifting positioning for segmentation steel box-girder mostly adopts total powerstation etc.
Optical gauge, this may bring problems with:
1) although total powerstation can read coordinate data automatically, its leveling, be aligned, may there is still a need for artificial operate
Produce operating error;
2) because steel construction is very sensitive for temperature change, therefore the lifting of steel construction (especially cantilever lifting) is mostly selected
Select at night (i.e. when temperature constant), night is not enough, is unfavorable for the positioning to steel box-girder for the survey crew.
According to the preliminary search result to existing patent, do not find related special dedicated for bridge hoisting laser positioning
Profit.The patent of laser is applied mainly to have in science of bridge building following two, wherein first is to measure using laser ranging system
A kind of bridge span (patent name: laser measuring device for measuring of bridge span, application number: 201520033787.1), second is
Measure deformation (patent name: highway bridge bearing capacity detection means, application in loading test for the bridge using laser technology
Number: 201520234990.5).
Therefore, how to provide a kind of facilitate site operation personnel at night, steel box-girder accurately and fast to be positioned, reduce
The laser locating apparatus that the steel bridge segmental hoisting of the workload of live manpower measurement carries on construction work at night, it has also become construction circle need to be entered
The technical problem of one step improvement and optimization.
Utility model content
The purpose of this utility model is the laser locating apparatus providing a kind of steel bridge segmental hoisting to carry on construction work at night, by
Installed with steel box-girder to be installed on lay generating laser and measurement plate with a scale respectively, site operation personnel can be facilitated
At night, steel box-girder is accurately and fast positioned, reduced human cost.
For solving above-mentioned technical problem, the utility model following technical scheme of offer:
The laser locating apparatus that a kind of steel bridge segmental hoisting carries on construction work at night, for the hanging of segmentation steel box-girder of steel structure bridge
Set position, including being laid in the generating laser installed on steel box-girder and be laid in a scale on steel box-girder to be installed
Measurement plate.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, described generating laser cloth
On the top center line installing steel box-girder, described measurement plate with a scale is laid in the top center of steel box-girder to be installed
On line.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, described steel box-girder to be installed
With the joint of steel box-girder is installed along some fixed mechanisms of abutment joint direction spaced set.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, described fixed mechanism includes
Steel tank with antelabium, t type bolt, nut and Two bors d's oeuveres angle steel, described have installed that steel box-girder is corresponding with steel box-girder to be installed to be set
Put the steel tank with antelabium described in, corresponding lip ring is fixed on by t type bolt and nut respectively in the two ends of described Two bors d's oeuveres angle steel
On the steel tank of edge.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, the described steel tank with antelabium
Including base plate, two side plates and two antelabium top boards, described base plate, two side plates and two antelabium top boards surround a square
Shape chamber, has opening between two antelabium top boards.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, described t type bolt includes phase
The bolt head connecting and shank of bolt, the distance of described opening is more than external diameter and the external diameter less than bolt head of shank of bolt, described double
Spell and open up, on angle steel, the bolt hole that the shank of bolt for described t type bolt passes through, described t type bolt can be along described with antelabium
Steel tank moves, and described bolt head is located in corresponding rectangular chamber, and described shank of bolt sequentially passes through the described of the steel tank with antelabium
It is fixed by nut after the corresponding bolt hole of opening and described Two bors d's oeuveres angle steel.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, described bolt hole is oval
Hole.
Preferably, in the laser locating apparatus that above-mentioned steel bridge segmental hoisting carries on construction work at night, the horizontal stroke of described Two bors d's oeuveres angle steel
Section is in t type, and described Two bors d's oeuveres angle steel is formed by two angle splice joints, and a right-angle side alignment of described two angle steel is close to connect,
On another right-angle side of described two angle steel, correspondence opens up two groups of slotted holes passing through for shank of bolt.
From techniques disclosed above scheme, compared with prior art, the beneficial effects of the utility model are as follows:
First, the laser locating apparatus that the steel bridge segmental hoisting that the utility model provides carries on construction work at night, are pacified using being laid in
Generating laser in steel loading box beam and be laid in measurement plate with a scale on steel box-girder to be installed, night lifting construction
When, will treat that having installed steel box-girder is lifted to precalculated position, then turns on the generating laser installing on steel box-girder, using light edge
The principle of straightline propagation, the measurement plate on steel box-girder to be installed will become apparent from out luminous point.If the position of luminous point is exactly in survey
The initial point of template high scale, then illustrate steel box-girder position to be installed accurately, if instead the position of luminous point not on initial point, is then said
There is error in bright installation;On-site personnel can adjust the position of steel box-girder to be installed in time by reading the coordinate in measurement plate
Put so that steel box-girder to be installed and installed steel box-girder and also enable accurately and fast to position at night, effectively increase steel construction
The installation accuracy of bridge hoisting construction and installation effectiveness, the installation accuracy especially carrying on construction work at night and installation effectiveness, substantially reduce
The workload of live manpower measurement, reduces human cost.
2nd, the laser locating apparatus that the steel bridge segmental hoisting that the utility model provides carries on construction work at night, in described steel to be installed
Box beam with the joint of steel box-girder is installed along some fixed mechanisms of abutment joint direction spaced set, described fixed mechanism includes
Steel tank with antelabium, t type bolt, nut and Two bors d's oeuveres angle steel, described have installed that steel box-girder is corresponding with steel box-girder to be installed to be set
Put the steel tank with antelabium described in, corresponding lip ring is fixed on by t type bolt and nut respectively in the two ends of described Two bors d's oeuveres angle steel
On the steel tank of edge, on the one hand fixed using bolt, solve existing horse plate weld time length, quality uncontrollable, to weather environment
A series of problems, such as have high demands;On the other hand, because the stress performance of Two bors d's oeuveres angle steel is substantially better than horse plate, therefore this device is favourable
Safety guarantee in raising construction;Another further aspect, in addition to the steel tank with antelabium, t type bolt, nut, opens the double of slotted hole
Spell angle steel all can Reusability, cost-effective;
3rd, the laser locating apparatus that the steel bridge segmental hoisting that the utility model provides carries on construction work at night, on the one hand, described t type
Bolt includes the bolt head being connected and shank of bolt, and the distance of described opening is more than the external diameter of shank of bolt and is less than the outer of bolt head
Footpath, described Two bors d's oeuveres angle steel opens up the bolt hole that the shank of bolt for described t type bolt passes through, described t type bolt can be along institute
State the steel tank with antelabium to move, described bolt head is located in corresponding rectangular chamber, and described shank of bolt sequentially passes through with antelabium
It is fixed by nut after the corresponding bolt hole of the described opening of steel tank and described Two bors d's oeuveres angle steel, in steel case to be installed during use
Beam is lifted to precalculated position and completes and installed after the coarse positioning of steel box-girder, by t type bolt along the insertion of the steel tank side with antelabium
In steel tank with antelabium, described t type bolt can move along the described steel tank with antelabium, such that it is able to achieve direction across bridge
Fine setting.On the other hand, because the bolt hole on Two bors d's oeuveres angle steel adopts slotted hole, it is achieved thereby that vertical bridge to fine setting.By horizontal stroke
Bridge thus realizing the position adjustments of steel box-girder to be installed, realizes steel box-girder to be installed to vertical bridge to the fine setting of this both direction
With being accurately positioned of steel box-girder is installed.
Brief description
Fig. 1 is the structural representation of laser locating apparatus that carries on construction work at night of steel bridge segmental hoisting of the utility model one embodiment
Figure;
Fig. 2 is the schematic diagram of measurement plate in the utility model one embodiment;
Fig. 3 is that the structure of laser locating apparatus that carries on construction work at night of steel bridge segmental hoisting of another embodiment of the utility model is shown
It is intended to;
Fig. 4 is the structural representation of the steel tank with antelabium in another embodiment of the utility model;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the structural representation of Two bors d's oeuveres angle steel in another embodiment of the utility model;
Fig. 7 is the side view of Fig. 6;
Fig. 8 is the structural representation of t type bolt in another embodiment of the utility model;
Fig. 9 is the perspective view of fixed mechanism in another embodiment of the utility model.
In figure: 1- steel box-girder to be installed, 2- have installed steel box-girder, 3- generating laser, 4- measurement plate, the steel with antelabium for the 5-
Groove, 6-t type bolt, 61- bolt head, 62- shank of bolt, 7- nut, 8- Two bors d's oeuveres angle steel, 81- slotted hole.
Specific embodiment
Below in conjunction with the drawings and specific embodiments to the utility model proposes the laser that carries on construction work at night of steel bridge segmental hoisting
Positioner is described in further detail.According to following explanation and claims, advantages and features of the present utility model will more
Clear.It should be noted that, accompanying drawing all in the form of very simplification and all using non-accurately ratio, only in order to convenient, distinct
Ground aids in illustrating the purpose of the utility model embodiment.
Embodiment one
Refer to Fig. 1 to Fig. 2, present embodiment discloses the laser locating apparatus that a kind of steel bridge segmental hoisting carries on construction work at night,
For the lifting positioning of the segmentation steel box-girder of steel structure bridge, including be laid in install generating laser 3 on steel box-girder 2 with
And it is laid in the measurement plate 4 with a scale on steel box-girder 1 to be installed.
The utility model is using being laid in the generating laser 3 installed on steel box-girder 2 and be laid in steel case to be installed
Measurement plate 4 with a scale on beam 1, during night lifting construction, will treat that having installed steel box-girder 2 is lifted to precalculated position, subsequently beats
Drive the generating laser 3 installing on steel box-girder 2, using light along straightline propagation principle, the measurement plate on steel box-girder 1 to be installed
Luminous point is will become apparent from out on 4.If the position of luminous point is exactly in the initial point of measurement plate 4 high scale, steel box-girder 1 to be installed is described
Accurately, if instead the position of luminous point is not on initial point, then there is error in explanation installation for position;On-site personnel can be by reading
Take the coordinate in measurement plate 4, adjust in time the position of steel box-girder 1 to be installed so that steel box-girder to be installed 1 and installed steel box-girder
2 also enabled accurately and fast to position at night, effectively increased the installation accuracy of steel structure bridge lifting construction and installed effect
Rate, the installation accuracy especially carrying on construction work at night and installation effectiveness, significantly reduce the workload of live manpower measurement, reduce manpower
Cost.
The lifting positioning of steel box-girder 2 is installed relatively it is preferred that in the present embodiment for the ease of steel box-girder 1 to be installed
In the laser locating apparatus that steel bridge segmental hoisting carries on construction work at night, described generating laser 3 is laid in the top installing steel box-girder 2
On center line, described measurement plate 4 with a scale is laid on the top center line of steel box-girder 1 to be installed.
Implement two
Refer to Fig. 3 to Fig. 9, the present embodiment is with the difference of embodiment one: at above-mentioned steel bridge segmental hoisting night
In the laser locating apparatus of construction, described steel box-girder 1 to be installed and installed the joint of steel box-girder 2 along between abutment joint direction etc.
Away from some fixed mechanisms of setting.Described fixed mechanism includes the steel tank 5 with antelabium, t type bolt 6, nut 7 and Two bors d's oeuveres angle steel
8, described installation is correspondingly arranged the steel tank 5 with antelabium described in, described Two bors d's oeuveres angle steel 8 on steel box-girder 2 and steel box-girder 1 to be installed
Two ends pass through t type bolt 6 and nut 7 respectively and be fixed on the corresponding steel tank 5 with antelabium.On the one hand, using t type bolt 6
And nut 7 is fixing, solve existing horse plate weld time length, quality is uncontrollable, a series of problems, such as weather environment is had high demands;
On the other hand, because the stress performance of Two bors d's oeuveres angle steel 8 is substantially better than horse plate, therefore this device is conducive to improving the safety in construction
Ensure;Another further aspect, in addition to the steel tank 5 with antelabium, t type bolt 6, nut 7, the Two bors d's oeuveres angle steel 8 opening slotted hole 81 all can be anti-
Multiple use, cost-effective.
Preferably, in the laser locating apparatus that the steel bridge segmental hoisting of the present embodiment carries on construction work at night, described with antelabium
Steel tank 5 includes base plate, two side plates and two antelabium top boards, and described base plate, two side plates and two antelabium top boards surround
One rectangular chamber, has opening between two antelabium top boards.Described t type bolt 6 includes bolt head 61 and the bolt being connected
Bar 62, the distance of described opening is more than external diameter and the external diameter less than bolt head 61 of shank of bolt 62, and described Two bors d's oeuveres angle steel 8 opens up
The bolt hole passing through for the shank of bolt 62 of described t type bolt 6, described t type bolt 6 can move along the described steel tank 5 with antelabium
Dynamic, described bolt head 61 is located in corresponding rectangular chamber, and described shank of bolt 62 sequentially passes through to be opened described in the steel tank 5 with antelabium
It is fixed by nut 7 after the corresponding bolt hole of mouth and described Two bors d's oeuveres angle steel 8.During use, it is lifted in steel box-girder 1 to be installed
Precalculated position, completes and has installed after the coarse positioning of steel box-girder 2, by t type bolt 6 along the steel tank 5 with antelabium side insert band
In the steel tank 5 of antelabium, described t type bolt 6 can be mobile along the described steel tank 5 with antelabium, such that it is able to realize direction across bridge
Fine setting.
Preferably, in the laser locating apparatus that the steel bridge segmental hoisting of the present embodiment carries on construction work at night, described bolt hole is
Slotted hole 81.Because the bolt hole on Two bors d's oeuveres angle steel 8 adopts slotted hole 81, it is achieved thereby that vertical bridge to fine setting.So, pass through
Direction across bridge finely tuning it is achieved that the position adjustments of steel box-girder to be installed 1 to this both direction with vertical bridge, finally realizes steel to be installed
Box beam 1 with being accurately positioned of steel box-girder 2 is installed.
Preferably, in the laser locating apparatus that the steel bridge segmental hoisting of the present embodiment carries on construction work at night, described Two bors d's oeuveres angle steel 8
Cross section be in t type, described Two bors d's oeuveres angle steel 8 forms by two angle splice joints, and a right-angle side alignment of described two angle steel is close to
Connect, on another right-angle side of described two angle steel, correspondence opens up two groups of slotted holes 81 passing through for shank of bolt 62.Due to Two bors d's oeuveres
The stress performance of angle steel 8 is substantially better than horse plate, using Two bors d's oeuveres angle steel 8 as above be conducive to improving steel box-girder 1 to be installed with
The connection reliability of steel box-girder 2 is installed it is ensured that construction safety.
Foregoing description is only the description to the utility model preferred embodiment, not any limit to the utility model scope
Fixed, any change that the those of ordinary skill in the utility model field does according to the disclosure above content, modification, belonging to right will
Seek the protection domain of book.
Claims (8)
1. the laser locating apparatus that a kind of steel bridge segmental hoisting carries on construction work at night, for the lifting of the segmentation steel box-girder of steel structure bridge
Positioning is it is characterised in that include being laid in the generating laser installing on steel box-girder and being laid on steel box-girder to be installed
Measurement plate with a scale.
2. steel bridge segmental hoisting as claimed in claim 1 carries on construction work at night laser locating apparatus are it is characterised in that described laser
Transmitter is laid on the top center line installing steel box-girder, and described measurement plate with a scale is laid in steel box-girder to be installed
On top center line.
3. the laser locating apparatus that steel bridge segmental hoisting as claimed in claim 1 carries on construction work at night are it is characterised in that described wait to pacify
Steel loading box beam with the joint of steel box-girder is installed along some fixed mechanisms of abutment joint direction spaced set.
4. steel bridge segmental hoisting as claimed in claim 3 carries on construction work at night laser locating apparatus are it is characterised in that described fixation
Mechanism includes the steel tank with antelabium, t type bolt, nut and Two bors d's oeuveres angle steel, described has installed steel box-girder and steel box-girder to be installed
On be correspondingly arranged the steel tank with antelabium described in, it is right that the two ends of described Two bors d's oeuveres angle steel are fixed on by t type bolt and nut respectively
On the steel tank with antelabium answered.
5. steel bridge segmental hoisting as claimed in claim 4 carries on construction work at night laser locating apparatus are it is characterised in that described lip ring
The steel tank of edge includes base plate, two side plates and two antelabium top boards, and described base plate, two side plates and two antelabium top boards enclose
Become a rectangular chamber, between two antelabium top boards, there is opening.
6. steel bridge segmental hoisting as claimed in claim 5 carries on construction work at night laser locating apparatus are it is characterised in that described t type
Bolt includes the bolt head being connected and shank of bolt, and the distance of described opening is more than the external diameter of shank of bolt and is less than the outer of bolt head
Footpath, described Two bors d's oeuveres angle steel opens up the bolt hole that the shank of bolt for described t type bolt passes through, described t type bolt can be along institute
State the steel tank with antelabium to move, described bolt head is located in corresponding rectangular chamber, and described shank of bolt sequentially passes through with antelabium
It is fixed by nut after the corresponding bolt hole of the described opening of steel tank and described Two bors d's oeuveres angle steel.
7. steel bridge segmental hoisting as claimed in claim 6 carries on construction work at night laser locating apparatus are it is characterised in that described bolt
Hole is slotted hole.
8. steel bridge segmental hoisting as claimed in claim 7 carries on construction work at night laser locating apparatus are it is characterised in that described Two bors d's oeuveres
The cross section of angle steel is in t type, and described Two bors d's oeuveres angle steel is formed by two angle splice joints, and a right-angle side alignment of described two angle steel is tight
Patch connects, and on another right-angle side of described two angle steel, correspondence opens up two groups of slotted holes passing through for shank of bolt.
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CN201620699290.8U CN205907605U (en) | 2016-07-05 | 2016-07-05 | Laser positioning device that steel bridge segmental hoisting was under construction night |
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CN201620699290.8U CN205907605U (en) | 2016-07-05 | 2016-07-05 | Laser positioning device that steel bridge segmental hoisting was under construction night |
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CN111648239A (en) * | 2020-04-23 | 2020-09-11 | 中铁十六局集团第四工程有限公司 | Segmental beam construction positioning device and segmental beam construction method |
CN112663499A (en) * | 2020-12-01 | 2021-04-16 | 中铁二局集团有限公司 | Positioning and mounting method for lower chord of steel truss girder of cable-stayed bridge |
CN113684768A (en) * | 2021-10-27 | 2021-11-23 | 四川东泉机械设备制造有限公司 | Small box girder positioning method and device |
CN114351590A (en) * | 2021-12-14 | 2022-04-15 | 上海市基础工程集团有限公司 | Accurate positioning device and method for field installation of steel box girder manufacturing segment |
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CN114960440A (en) * | 2022-05-29 | 2022-08-30 | 中国五冶集团有限公司 | Positioning device for beam erection |
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