CN113014873B - BIM technology-based large-span bridge construction monitoring and management equipment - Google Patents
BIM technology-based large-span bridge construction monitoring and management equipment Download PDFInfo
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- CN113014873B CN113014873B CN202110198253.4A CN202110198253A CN113014873B CN 113014873 B CN113014873 B CN 113014873B CN 202110198253 A CN202110198253 A CN 202110198253A CN 113014873 B CN113014873 B CN 113014873B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- 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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
Abstract
The invention relates to the technical field of construction management, in particular to a large-span bridge construction monitoring management device based on a BIM (building information modeling) technology, which comprises a positioning plate, a suspension, a photo detector and a controller, wherein the positioning plate is arranged on the suspension; because the management of the BIM technology is difficult to control the concrete operation on the bridge member in the construction process, and the micro deviation generated in the construction step of the long-span bridge member needs to comprehensively understand the factors causing the construction state to deviate from the theoretical design state and carry out countermeasure processing, the operation amount of the bridge member needing to be adjusted when being folded is reduced, and the influence on the construction process of the long-span bridge is avoided; therefore, the invention records the imaging changes on the curtain plate and the semi-transparent plate through the camera arranged in the suspension, feeds back the posture change and the micro-change of the flexible deformation of the long-span bridge member in the construction process in real time, and corrects the construction operation through the BIM technology, thereby improving the application effect of the large-span bridge construction monitoring and managing equipment based on the BIM technology.
Description
Technical Field
The invention relates to the technical field of construction management, in particular to large-span bridge construction monitoring and management equipment based on a BIM (building information modeling) technology.
Background
The large-span bridge engineering becomes an important infrastructure for relieving traffic pressure, meanwhile, the large-span bridge construction is also a key link of bridge construction, in order to ensure that the structural safety and the bridge forming internal force in the bridge construction process meet the design requirements, tracking control must be carried out in the construction process, the construction process is complex, and the requirements of a large amount of system conversion materials, structural sizes and construction operation are met; the BIM building information model is an intelligent working mode based on a digital three-dimensional model, and can create, dig and store various data in the whole flow of building design, construction and operation, so that the decision efficiency and the productivity are improved, the fusion between bridge buildings and information technology is promoted, and the BIM technology has the advantages of accelerating the engineering progress, reducing the engineering cost, ensuring the stability and the safety of engineering construction and facilitating the daily management and maintenance of engineering in actual bridge engineering.
In the construction process of the large-span bridge, parameters such as the stress state of a large-scale bridge member in the construction process are different from the finished structure, and management based on the BIM technology is difficult to control specific operations performed on the bridge member in the construction process, particularly micro-deviation generated in the construction step of the large-span bridge member, so that the factors causing the construction state to deviate from the theoretical design state need to be comprehensively understood and countermeasure processing needs to be performed, the operation amount of adjusting the bridge member in the folding process is reduced, and the influence on the construction process of the large-span bridge is avoided.
Some technical schemes for monitoring and managing the construction of a large-span bridge based on a BIM technology also appear in the prior art, for example, a chinese patent with the application number of cn201710152358.X discloses a construction method of an assembly bridge based on a BIM, which is characterized by comprising the following steps: according to project design drawings and construction parameters, a Revit modeling platform is utilized to establish BIM unit models of piers, tie beams, capping beams, box beams, internal components and reinforcing steel bars of the fabricated bridge, and time parameters are given to each unit model; after all unit models are modeled, simulating the assembly process of the whole assembly type bridge through 4D animation simulation, checking whether the positions of embedded parts are wrong when all parts of the assembly type bridge are modeled in the assembly simulation process, marking the embedded parts with highlights, rechecking and modifying project design drawings and construction parameters according to simulation results, and calibrating site construction drawings in advance; the technical scheme obviously improves the prefabrication and installation precision of the assembled bridge, saves the production cost, improves the construction efficiency and shortens the construction period; however, the scheme does not solve the problem that the construction effect is reduced because the real-time recording of trace deviation generated in the construction step of the long-span bridge member needs to be carried out, and the bridge member needs to be additionally adjusted when being folded.
In view of the above, the invention provides a large-span bridge construction monitoring management device based on the BIM technology, and solves the technical problems.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides a large-span bridge construction monitoring and management device based on the BIM technology.
The invention relates to a large-span bridge construction monitoring management device based on a BIM technology, which comprises a positioning plate, a suspension, a photo detector and a controller, wherein the positioning plate is arranged on the suspension; one side surface of the positioning plate is fixed on the bridge component through hot melt adhesive bonding, and the other side surface of the positioning plate is used for installing a fixed suspension; the end face of the suspension is provided with a bent rod, the outer side of the middle part of the bent rod is provided with a photo detector, and the photo detector is hung on the bent rod through a hinged rod with damping; the bottom surface of the optical detector is also provided with an annular laser lamp, and the optical detector is also provided with a camera at the central part of the laser lamp; the suspension is also provided with a concave curtain plate, and the concave surface of the curtain plate faces the laser lamp; the screen plate enables light irradiated by the laser lamp to be displayed on the surface of the screen plate, and the center of the screen plate is positioned on the camera at the bottom of the optical detector; the side surface of the suspension is also provided with a bent rod, and the bent rod is provided with a light shield in the direction towards the outer side of the suspension; a shaft seat is arranged between the photomask and the bent rod and used for adjusting the angle of the photomask on the bent rod; the end face of the light shield is also provided with laser cylinders which are annularly distributed on the light shield; the suspension is also provided with a convex semi-transparent plate, and the convex surface of the semi-transparent plate faces the outer side of the suspension; the semi-transparent plate and the suspension are fixed through a bent rod, and a camera is also arranged on the bent rod of the semi-transparent plate; the light shield and the semi-transparent plate are respectively arranged on different suspensions, and the laser tube on one suspension is irradiated on the semi-transparent plate on the other suspension; the controller is used for analyzing the image recorded by the camera and calculating the change of the position of the suspension corresponding to the bridge member;
in the prior art, because parameters such as stress states of large bridge members in the construction process are different from a finished structure, management based on a BIM technology is difficult to control specific operations performed on the bridge members in the construction process, particularly micro-deviation generated in the construction step of a large-span bridge member, factors causing deviation of the construction state from a theoretical design state need to be comprehensively understood and countermeasure processing needs to be performed, the operation amount of adjusting the bridge members in the folding process is reduced, and influence on the construction process of the large-span bridge is avoided;
therefore, the suspension is installed on a bridge component through the hot melt adhesive arranged on the positioning plate, after the optical detector in the suspension is started, the position of a laser lamp presented on the curtain plate is recorded by the camera in the suspension, the attitude change and the flexible deformation quantity of the bridge component in the installation and construction process are fed back in real time through curtain plate imaging, so that the attitude of the bridge component is corrected, the curtain plate is arranged into a concave structure, an image irradiated by the optical detector in a large-angle deflection state can be presented in a small area in the frame, the damping hinge rod of the optical detector is connected, the reciprocating deflection of the optical detector caused by the attitude change of the bridge component in the middle is reduced, meanwhile, the matched positioning plates are adhered to a plurality of positions of the large-span bridge component, the micro flexible deformation of the large-span bridge component is realized by matching with the light shield and the semi-transparent plate which are respectively and oppositely installed on the suspension, the micro flexible deformation of the large-span bridge component is recorded by the camera arranged on the semi-transparent plate position of the suspension, the semi-transparent plate is arranged to form an elliptical flexible projection of the semi-transparent plate in the bridge component, and the large-span flexible deformation detection precision of the bridge component is enhanced by the semi-transparent plate arranged on the large-transparent plate; the invention utilizes the camera arranged in the suspension to record the imaging change on the curtain plate and the semi-transparent plate, feeds back the posture change and the micro-change of the flexible deformation of the large-span bridge member in the construction process in real time, and corrects the construction operation through the BIM technology, thereby improving the application effect of the large-span bridge construction monitoring and managing equipment based on the BIM technology.
Preferably, the middle part of the frame of the suspension is also provided with a pit; the end part of the bent rod is provided with a sliding clamping block and a wedge rod; the fixture block is positioned on the end surface of the bent rod and is matched with the size of the concave pit; the wedge rod is positioned on the side surface of the bent rod, the inclined surface of the wedge rod is contacted with the end surface of the clamping block, and the tail end of the wedge rod is also provided with a pin hole; when the device works, the suspension on the positioning plate is arranged at the matched position on the bridge member according to the shape of the large-span bridge member, and then the axle seat on the bent rod at the back of the light shield is adjusted, so that the laser barrel on one suspension irradiates the surface of the semi-transparent plate on the other suspension for imaging; through the fixture block that sets up at the knee end, the pit on the cooperation suspension, through the wedge pole on the support curved bar, make the fixture block of knee end stretch out and support into the pit, and through blocking the bolt card into the pinhole, make the knee install on the suspension, after having accomplished the construction control to the bridge member, take off the suspension through melting the hot melt adhesive on the locating plate, detach the bolt in the pinhole afterwards, upset suspension utilizes gravity to make the fixture block withdraw to the inside of knee, take out the knee from the suspension, accomplish the dismantlement of element on the knee, through installing the element that the knee corresponds on the suspension, record the change of bridge member in the work progress, ensure to be in the error band that allows when closing up the state, avoid carrying out readjustment's operation, thereby the suitability scope of large-span bridge construction control management equipment has been promoted.
Preferably, the suspension is also provided with a bent rod in the direction towards the positioning plate, and a direction adjusting ring is arranged between the bent rod and the outer side of the curtain plate; the direction adjusting ring is fixed with the curtain plate, and a shaft lever arranged between the direction adjusting ring and the bent rod is positioned in the radial direction of the curtain plate; in operation, the shape of the bridge member makes it difficult to maintain a parallel and perpendicular state with the frame of the suspension, so that under initial conditions, the optical detector is in a deflected inclined state; the curtain plate is driven to rotate along the radial direction by the direction adjusting ring arranged on the curtain plate and the shaft lever arranged on the bent rod, the direction adjusting ring is matched with the initial deflection state of the optical detector under the condition that the suspension is in any posture, the optical detector is kept, the light spot irradiated on the curtain plate is positioned in the middle of the curtain plate under the initial condition that the suspension is in any posture, the recording range of the imaging light spot on the curtain plate is ensured, and the application effect of the large-span bridge construction monitoring and managing equipment based on the BIM technology is maintained.
Preferably, the middle part of the bent rod is also provided with a mounting opening, and the mounting opening is used for fixing with each element on the suspension; when the suspension frame works, the bent rods are fixed on each end face of the suspension frame through the clamping blocks, so that the monitoring of bridge members in different angle directions is met; through setting up the installing port at the knee, the component that uses to monitor can cooperate the installation face of knee on the suspension to carry out corresponding adjustment, has strengthened the environmental suitability of its control, and make its equipment become modularization component structure, has increased the portability in the use, makes up the component position of installing on the suspension, arranges out required control angle, thereby has promoted the application effect based on the large-span bridge construction monitoring management equipment of BIM technique.
Preferably, the positioning plate is also provided with an I-shaped groove, and the groove is positioned on the surface of the bridge member and bonded with the positioning plate; the end part of the groove penetrates through the side surface of the positioning plate and forms a port, and the groove is filled with hot melt adhesive; when the positioning plate works, hot melt adhesive is coated on the positioning plate to fix the positioning plate on a bridge component so as to keep the position precision between a suspension on the positioning plate and the surface of the bridge component; through setting up the recess on the locating plate, cooperate its port that link up the formation, supplement for the hot melt adhesive on locating plate surface from the port, make the hot melt adhesive be in the state of fully filling at the contact surface, ensure the bonding effect that the hot melt adhesive played between locating plate and bridge member, and through the state of viewing port position hot melt adhesive, avoid supplementing excessive hot melt adhesive, thereby promoted the result of use of large-span bridge construction monitoring management equipment based on BIM technique.
Preferably, the surface of the positioning plate is also provided with a shallow groove, the shallow groove is communicated with the side surface of the groove on the surface of the positioning plate, and the depth of the shallow groove on the surface of the positioning plate is gradually reduced from the end of the groove; the edge of the surface of the positioning plate is also provided with a closed ring groove; when the positioning plate works, hot melt adhesive is supplemented into the groove through the port, so that the fixing effect of the positioning plate on a bridge component is ensured; through setting up the shallow slot on the locating plate surface, utilize its degree of depth that reduces from the recess end to the end gradually, make the replenishment rise gradually to the extrusion force effect that receives when the hot melt adhesive of recess stretches to the locating plate surface along the shallow slot, ensure that the hot melt adhesive of shallow slot terminal position is in the state of filling, set up closed annular on the locating plate simultaneously, for the hot melt adhesive provides the surplus space at the extrusion deformation in-process between locating plate and bridge member, prevent that the hot melt adhesive from being extruded to adhere to the bridge member in the locating plate outside on the surface, make after dismantling the locating plate, reduce the required clearance volume to the remaining hot melt adhesive in bridge member surface, thereby the result of use of large-span bridge construction monitoring management equipment based on BIM technique has been promoted.
The invention has the following beneficial effects:
1. according to the invention, imaging changes on the curtain plate and the semi-transparent plate are recorded through the camera arranged in the suspension, attitude changes and micro changes of flexible deformation of the large-span bridge member in the construction process are fed back in real time, and construction operation is corrected through a BIM technology.
2. The invention makes the bent rod installed on the suspension frame through the fixture block arranged at the end part of the bent rod and matching with the pit on the suspension frame, and makes the direction adjusting ring and the shaft lever arranged on the curtain plate drive the curtain plate to rotate along the radial direction of the curtain plate, so that the curtain plate is matched with the initial deflection state of the optical detector; the installation port arranged in the middle of the bent rod combines the orientations of the elements installed on the suspension to match the required monitoring angle.
3. According to the invention, the grooves arranged on the positioning plate are used for supplementing the hot melt adhesive on the surface of the positioning plate, so that the adhesion effect of the hot melt adhesive between the positioning plate and the bridge member is ensured, and the excessive hot melt adhesive is prevented from being supplemented by observing the state of the hot melt adhesive at the port part; the closed annular groove is formed in the positioning plate, and hot melt adhesive is prevented from being extruded to be attached to the surface of the bridge component on the outer side of the positioning plate.
Drawings
The invention is further described with reference to the following figures and embodiments.
FIG. 1 is a perspective view of a large-span bridge construction monitoring and management apparatus according to the present invention;
FIG. 2 is a perspective view of a deflected state of a suspension member in the present invention;
FIG. 3 is a perspective view of a positioning plate member of the present invention;
FIG. 4 is a perspective view of a knee lever member of the present invention;
FIG. 5 is an enlarged view of a portion of FIG. 2 at A;
in the figure: the device comprises a positioning plate 1, a groove 11, a port 12, a shallow groove 13, a ring groove 14, a suspension 2, a pit 21, a light detector 3, a hinge rod 31, a bent rod 4, a fixture block 41, a wedge rod 42, a pin hole 43, an installation opening 44, a curtain plate 5, a direction adjusting ring 51, a shaft rod 52, a light shield 6, a shaft seat 61 and a semi-transparent plate 62.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 5, the monitoring and managing device for large-span bridge construction based on the BIM technology comprises a positioning plate 1, a suspension 2, a light detector 3 and a controller; the surface of one side of the positioning plate 1 is adhered and fixed on a bridge component through hot melt adhesive, and the surface of the other side of the positioning plate 1 is used for installing and fixing a suspension 2; the end face of the suspension 2 is provided with a bent rod 4, the outer side of the middle part of the bent rod 4 is provided with a photo detector 3, and the photo detector 3 is hung on the bent rod 4 through a hinged rod 31 with damping; the bottom surface of the optical detector 3 is also provided with an annular laser lamp, and the optical detector 3 is also provided with a camera at the central part of the laser lamp; the suspension 2 is also provided with a concave curtain plate 5, and the concave surface of the curtain plate 5 faces the laser lamp; the curtain plate 5 enables light irradiated by the laser lamp to be displayed on the surface of the curtain plate, and the center of the curtain plate 5 is positioned on the camera at the bottom of the optical detector 3; the side surface of the suspension 2 is also provided with a bent rod 4, and the bent rod 4 is provided with a light shield 6 towards the direction of the outer side of the suspension 2; a shaft seat 61 is arranged between the light shield 6 and the bent rod 4, and the shaft seat 61 is used for adjusting the angle of the light shield 6 on the bent rod 4; the end face of the light shield 6 is also provided with laser cylinders which are annularly distributed on the light shield 6; a convex semi-transparent plate 62 is further arranged on the suspension 2, and the convex surface of the semi-transparent plate 62 faces the outer side of the suspension 2; the semi-transparent plate 62 and the suspension 2 are also fixed through a bent rod 4, and a camera is also arranged on the bent rod 4 of the semi-transparent plate 62; the light shield 6 and the semi-transparent plate 62 are respectively arranged on different suspensions 2, and a laser tube on one suspension 2 is irradiated on the semi-transparent plate 62 on the other suspension 2; the controller is used for analyzing the image recorded by the camera and calculating the change of the part of the suspension 2 corresponding to the bridge member;
in the prior art, because parameters such as stress states of large bridge members in the construction process are different from a finished structure, management based on a BIM technology is difficult to control specific operations performed on the bridge members in the construction process, particularly micro-deviation generated in the construction step of a large-span bridge member, factors causing deviation of the construction state from a theoretical design state need to be comprehensively understood and countermeasure processing needs to be performed, the operation amount of adjusting the bridge members in the folding process is reduced, and influence on the construction process of the large-span bridge is avoided;
therefore, the invention installs the suspension 2 on the bridge member by the hot melt adhesive arranged on the positioning plate 1, after the optical detector 3 in the suspension 2 is started, the camera therein records the position of the laser lamp presented on the curtain plate 5, the attitude change and the flexible deformation quantity of the bridge member in the installation and construction process are fed back in real time by the imaging of the curtain plate 5 so as to correct the attitude of the bridge member, the curtain plate 5 is arranged into a concave structure, so that the image irradiated by the optical detector 3 in a large-angle deflection state can be presented in a small area in the frame, and the curtain plate is connected with the damping hinge rod 31 of the optical detector 3, the method has the advantages that the severe reciprocating deflection of the optical detector 3 caused by the change of the posture of the bridge member in the construction process is reduced, meanwhile, the matched positioning plates 1 are bonded at a plurality of positions of the large-span bridge member, the light shield 6 and the semi-transparent plate 62 which are respectively installed on the suspension 2 in opposite directions are matched, so that the trace flexible deformation of the large-span bridge member is recorded by the camera at the position of the semi-transparent plate 62 which is installed on the suspension 2 among different positions, the feedback effect on the trace flexible deformation of the bridge member is increased through the large-span size of the bridge member, and the semi-transparent plate 62 is arranged to be convex, so that the projection of the laser cylinders which are distributed around the light shield 6 is formed into an ellipse on the semi-transparent plate 62, and the detection precision on the flexible deformation of the large-span bridge member is enhanced; the invention utilizes the camera arranged in the suspension 2 to record the imaging change on the curtain plate 5 and the semi-permeable plate 62, feeds back the attitude change and the micro change of the flexible deformation of the long-span bridge member in the construction process in real time, and corrects the construction operation through the BIM technology, thereby improving the application effect of the large-span bridge construction monitoring and managing equipment based on the BIM technology.
As an embodiment of the invention, a pit 21 is further formed in the middle of the frame of the suspension 2; the end part of the bent rod 4 is provided with a sliding fixture block 41 and a wedge rod 42; the fixture block 41 is positioned on the end surface of the bent rod 4 and is matched with the size of the concave pit 21; the wedge rod 42 is positioned on the side surface of the bent rod 4, the inclined surface of the wedge rod 42 is contacted with the end surface of the clamping block 41, and the tail end of the wedge rod 42 is also provided with a pin hole 43; during working, the suspension 2 on the positioning plate 1 is arranged at a matched position on a bridge member according to the shape of the large-span bridge member, and then the shaft seat 61 on the bent rod 4 at the back of the light shield 6 is adjusted, so that a laser tube on one suspension 2 irradiates the surface of the semi-transparent plate 62 on the other suspension 2 for imaging; the method comprises the steps that a clamping block 41 arranged at the end part of a bent rod 4 is matched with a pit 21 on a suspension frame 2, a wedge rod 42 on the bent rod 4 is pressed in a propping mode, the clamping block 41 at the end part of the bent rod 4 stretches out and props into the pit 21, a bolt is clamped into a pin hole 43, the bent rod 4 is installed on the suspension frame 2, after construction monitoring of bridge components is completed, the suspension frame 2 is taken down by melting hot melt adhesive on a positioning plate 1, then the bolt in the pin hole 43 is dismounted, the suspension frame 2 is overturned, the clamping block 41 is retracted into the bent rod 4 by utilizing gravity, the bent rod 4 is taken out of the suspension frame 2, dismounting of elements on the bent rod 4 is completed, changes of the bridge components in the construction process are recorded by installing the elements corresponding to the bent rod 4 on the suspension frame 2, the tolerance range allowed in the folding state is ensured, readjustment operation is avoided, and the applicability range of large-span bridge construction monitoring management equipment is expanded.
In one embodiment of the present invention, the suspension 2 is also provided with a curved rod 4 in the direction of the positioning plate 1, and a direction adjusting ring 51 is arranged between the curved rod 4 and the outer side of the curtain plate 5; the direction adjusting ring 51 is fixed with the curtain plate 5, and a shaft rod 52 arranged between the direction adjusting ring 51 and the bent rod 4 is positioned in the radial direction of the curtain plate 5; in operation, the shape of the bridge member makes it difficult to maintain a parallel and perpendicular state to the frame of the suspension 2, so that in an initial condition, the optical detector 3 is in a deflected inclined state; the direction adjusting ring 51 arranged on the curtain plate 5 is used for rotating the shaft rod 52 arranged on the bent rod 4, so that the direction adjusting ring 51 drives the curtain plate 5 to rotate along the radial direction of the curtain plate 5, the frame direction of the suspension 2 on which the bent rod 4 is arranged is adjusted in a matching manner, the curtain plate 5 is matched with the initial deflection state of the optical detector 3, the optical detector 3 is kept under the initial condition that the suspension 2 is in any posture, the light spot irradiated on the curtain plate 5 is positioned in the middle of the curtain plate, the recording range of the imaging light spot on the curtain plate 5 is ensured, and the application effect of the large-span bridge construction monitoring and management equipment based on the BIM technology is maintained.
As an embodiment of the present invention, the middle part of the curved rod 4 is further provided with a mounting opening 44, and the mounting opening 44 is used for fixing with each element on the suspension 2; when the device works, the bent rod 4 is fixed on each end face of the frame of the suspension 2 through the fixture block 41, so that the monitoring of bridge members in different angle directions is met; through setting up the installing port 44 in the middle part of knee 4, the component that uses to monitor can cooperate the installation face of knee 4 on suspension 2 to carry out corresponding adjustment, the environmental suitability of its control has been strengthened, and make its equipment become the modularization component structure, portability in the use has been increased, make up the component position of installing on suspension 2, arrange out required control angle, thereby promoted the application effect based on the large-span bridge construction control management equipment of BIM technique.
As an embodiment of the invention, an i-shaped groove 11 is further arranged on the positioning plate 1, and the groove 11 is located on the surface of the positioning plate 1 bonded to the bridge member; the end part of the groove 11 penetrates through the side surface of the positioning plate 1 and forms a port 12, and the groove 11 is filled with hot melt adhesive; when the positioning plate 1 works, hot melt adhesive is coated on the positioning plate 1 to fix the positioning plate on a bridge component, so that the position precision between the suspension 2 on the positioning plate 1 and the surface of the bridge component is maintained; through setting up recess 11 on locating plate 1, cooperate its port 12 that link up the formation, replenish for the hot melt adhesive on locating plate 1 surface from port 12, make the hot melt adhesive be in the state of fully filling at the contact surface, ensure the bonding effect that the hot melt adhesive played between locating plate 1 and bridge member, and through the state of observing port 12 position hot melt adhesive, avoid replenishing excessive hot melt adhesive, thereby promoted the result of use based on the large-span bridge construction monitoring management equipment of BIM technique.
As an embodiment of the present invention, the surface of the positioning plate 1 is further provided with a shallow groove 13, the shallow groove 13 is communicated with the side surface of the groove 11 on the surface of the positioning plate 1, and the depth of the shallow groove 13 on the surface of the positioning plate 1 is gradually reduced from the end of the groove 11; the edge of the surface of the positioning plate 1 is also provided with a closed ring groove 14; when the positioning plate works, hot melt adhesive is supplemented into the groove 11 through the port 12, so that the fixing effect of the positioning plate 1 on a bridge component is ensured; through setting up shallow slot 13 on locating plate 1 surface, utilize its degree of depth that reduces from recess 11 end to end gradually, make the replenishment rise gradually to the extrusion force effect that receives when the hot melt adhesive of recess 11 stretches to locating plate 1 surface along shallow slot 13, ensure that the hot melt adhesive of shallow slot 13 end part is in the filling state, set up closed annular 14 on locating plate 1 simultaneously, for the extrusion deformation in-process of hot melt adhesive between locating plate 1 and bridge member provides the surplus space, prevent that the hot melt adhesive from being extruded and attached to the bridge member in the locating plate 1 outside on the surface, make after dismantling locating plate 1, reduce the required clearance volume to the remaining hot melt adhesive in bridge member surface, thereby the result of use of large-span bridge construction monitoring management equipment based on BIM technique has been promoted.
During operation, the suspension 2 is installed on a bridge component through hot melt adhesive arranged on the positioning plate 1, after the optical detector 3 in the suspension 2 is started, the position of a laser lamp presented on the curtain plate 5 is recorded by a camera therein, attitude change and flexible deformation quantity of the bridge component in the installation and construction process are fed back in real time through imaging of the curtain plate 5 so as to correct the attitude of the bridge component, the curtain plate 5 is arranged into a concave structure, an image irradiated by the optical detector 3 in a large-angle deflection state can be presented in a small area in a frame, the damping hinge rod 31 of the optical detector 3 is connected, the reciprocating deflection of the optical detector 3 caused by the attitude change of the bridge component in construction is reduced, meanwhile, the positioning plate 1 matched with a plurality of positions of the large-span bridge component is bonded, the light shield 6 and the semi-transparent plate 62 which are respectively installed on the suspension 2 in opposite directions are matched, the small-amount flexible deformation of the large-span bridge component is enabled to be deformed, the large-span flexible deformation component is increased to form a large-span flexible projection barrel-shaped projection of the semi transparent plate 62, and the large-span flexible deformation component is arranged on the bridge component, and the large-span flexible deformation of the large-span flexible beam is enhanced by the semi-transparent plate 62, and the small-flexible deformation of the large-span component is enabled to be distributed on the large-span flexible projection of the large-span component, and the large-span flexible projection of the large-span flexible beam; the fixture block 41 arranged at the end part of the bent rod 4 is matched with the pit 21 on the suspension frame 2, the fixture block 41 at the end part of the bent rod 4 is enabled to extend and abut into the pit 21 by abutting against the wedge rod 42 on the bent rod 4, the bolt is clamped into the pin hole 43, the bent rod 4 is installed on the suspension frame 2, after the construction monitoring of bridge components is completed, the suspension frame 2 is taken down by melting the hot melt adhesive on the positioning plate 1, then the bolt in the pin hole 43 is dismounted, the suspension frame 2 is overturned, the fixture block 41 is retracted into the bent rod 4 by utilizing gravity, the bent rod 4 is taken out of the suspension frame 2, the dismounting of elements on the bent rod 4 is completed, the elements corresponding to the bent rod 4 are installed on the suspension frame 2, the change of the bridge components in the construction process is recorded, and the bridge components are ensured to be within an allowed error range in the folding state; a direction adjusting ring 51 arranged on the curtain plate 5, and a shaft lever 52 arranged on the bent rod 4 is rotated, so that the direction adjusting ring 51 drives the curtain plate 5 to rotate along the radial direction of the curtain plate, and the frame direction of the suspension 2 on which the bent rod 4 is arranged is adjusted in a matching way, so that the curtain plate 5 is matched with the initial deflection state of the optical detector 3, the optical detector 3 is kept, under the initial condition that the suspension 2 is in any posture, the light spot irradiated on the curtain plate 5 is positioned in the middle of the curtain plate, and the recording range of the imaging light spot on the curtain plate 5 is ensured; the mounting port 44 arranged in the middle of the bent rod 4 enables elements for monitoring to be correspondingly adjusted by matching with the mounting surface of the bent rod 4 on the suspension 2, enhances the environmental adaptability of monitoring, enables the equipment to be of a modular element structure, increases the portability in use, and combines the orientations of the elements mounted on the suspension 2 to match a required monitoring angle; the groove 11 arranged on the positioning plate 1 is matched with a port 12 formed by penetrating the groove, the hot melt adhesive on the surface of the positioning plate 1 is supplemented from the port 12, and the state of the hot melt adhesive at the position of the port 12 is observed, so that the excessive hot melt adhesive is prevented from being supplemented; the shallow slot 13 that sets up on locating plate 1 surface utilizes its degree of depth that reduces from recess 11 end to end gradually, the extrusion force effect that receives when making the hot melt adhesive that supplyes to recess 11 stretch to locating plate 1 surface along shallow slot 13 risees gradually, ensure that the hot melt adhesive of shallow slot 13 end part is in the filled state, set up closed annular 14 on locating plate 1 simultaneously, the extrusion deformation in-process that provides the surplus space for the hot melt adhesive between locating plate 1 and bridge member, prevent that the hot melt adhesive from being extruded and attached to the bridge member in the locating plate 1 outside on the surface.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a large-span bridge construction monitoring management equipment based on BIM technique which characterized in that: comprises a positioning plate (1), a suspension (2), an optical detector (3) and a controller; one side surface of the positioning plate (1) is fixed on a bridge component through hot melt adhesive bonding, and the other side surface of the positioning plate (1) is used for installing a fixed suspension (2); a bent rod (4) is arranged on the end face of the suspension (2), a photo detector (3) is arranged on the outer side of the middle of the bent rod (4), and the photo detector (3) is hung on the bent rod (4) through a hinged rod (31) with damping; the bottom surface of the optical detector (3) is also provided with an annular laser lamp, and the optical detector (3) is also provided with a camera at the central part of the laser lamp; the suspension (2) is also provided with a concave curtain plate (5), and the concave surface of the curtain plate (5) faces the laser lamp; the curtain plate (5) enables light irradiated by the laser lamp to be displayed on the surface of the curtain plate, and the center of the curtain plate (5) is positioned on the camera at the bottom of the optical detector (3); a bent rod (4) is also arranged on the side surface of the suspension (2), and a light shield (6) is arranged on the bent rod (4) towards the direction of the outer side of the suspension (2); a shaft seat (61) is arranged between the light shield (6) and the bent rod (4), and the shaft seat (61) is used for adjusting the angle of the light shield (6) on the bent rod (4); the end face of the light shield (6) is also provided with laser cylinders which are annularly distributed on the light shield (6); a convex semi-permeable plate (62) is further arranged on the suspension (2), and the convex surface of the semi-permeable plate (62) faces the outer side of the suspension (2); the semi-transparent plate (62) and the suspension (2) are also fixed through a bent rod (4), and a camera is also arranged on the bent rod (4) of the semi-transparent plate (62); the light shield (6) and the semi-transparent plate (62) are respectively arranged on different suspensions (2), and a laser tube on one suspension (2) is irradiated onto the semi-transparent plate (62) on the other suspension (2); the controller is used for analyzing the image recorded by the camera and calculating the change of the part of the suspension (2) corresponding to the bridge member so as to correct the construction operation through the BIM technology.
2. The large-span bridge construction monitoring and management equipment based on the BIM technology as claimed in claim 1, wherein: a pit (21) is also formed in the middle of the frame of the suspension (2); the end part of the bent rod (4) is provided with a sliding clamping block (41) and a wedge rod (42); the fixture block (41) is positioned on the end surface of the bent rod (4) and is matched with the size of the concave pit (21); the wedge rod (42) is located on the side face of the bent rod (4), the inclined face of the wedge rod (42) is in contact with the end face of the clamping block (41), and a pin hole (43) is further formed in the tail end of the wedge rod (42).
3. The large-span bridge construction monitoring and management equipment based on the BIM technology as claimed in claim 2, characterized in that: a bent rod (4) is also arranged on the suspension (2) in the direction towards the positioning plate (1), and a direction adjusting ring (51) is arranged between the bent rod (4) and the outer side of the curtain plate (5); the direction adjusting ring (51) is fixed with the curtain plate (5), and a shaft rod (52) arranged between the direction adjusting ring (51) and the bent rod (4) is positioned in the radial direction of the curtain plate (5).
4. The large-span bridge construction monitoring and management equipment based on the BIM technology as claimed in claim 3, wherein: the middle part of the bent rod (4) is also provided with a mounting opening (44), and the mounting opening (44) is used for fixing with each element on the suspension (2).
5. The large-span bridge construction monitoring and management equipment based on the BIM technology as claimed in claim 1, wherein: the positioning plate (1) is also provided with an I-shaped groove (11), and the groove (11) is positioned on the surface of the bridge member bonded with the positioning plate (1); the end part of the groove (11) penetrates through the side surface of the positioning plate (1) and forms a port (12), and the groove (11) is filled with hot melt adhesive.
6. The BIM technology-based large-span bridge construction monitoring and management equipment of claim 5, wherein: the surface of the positioning plate (1) is also provided with a shallow groove (13), the shallow groove (13) is communicated with the side surface of the groove (11) on the surface of the positioning plate (1), and the depth of the shallow groove (13) on the surface of the positioning plate (1) is gradually reduced from the end of the groove (11); the edge of the surface of the positioning plate (1) is also provided with a closed ring groove (14).
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| CN202110198253.4A CN113014873B (en) | 2021-02-22 | 2021-02-22 | BIM technology-based large-span bridge construction monitoring and management equipment |
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| CN202110198253.4A CN113014873B (en) | 2021-02-22 | 2021-02-22 | BIM technology-based large-span bridge construction monitoring and management equipment |
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| CN113014873B true CN113014873B (en) | 2022-11-04 |
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