CN116641312A - Positioning construction device and method for prefabricated bridge - Google Patents
Positioning construction device and method for prefabricated bridge Download PDFInfo
- Publication number
- CN116641312A CN116641312A CN202310689987.1A CN202310689987A CN116641312A CN 116641312 A CN116641312 A CN 116641312A CN 202310689987 A CN202310689987 A CN 202310689987A CN 116641312 A CN116641312 A CN 116641312A
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- Prior art keywords
- bearing platform
- prefabricated
- positioning
- prefabricated pier
- pier
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- 238000010276 construction Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 28
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000004904 shortening Methods 0.000 abstract 1
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000003086 colorant Substances 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
- E01D2101/26—Concrete reinforced
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The application relates to a positioning construction device and a positioning construction method for a prefabricated bridge, and relates to the technical field of bridge engineering. The device comprises a bearing platform, a prefabricated pier component and a control unit, wherein a plurality of positioning sheets which are arranged at intervals are arranged at the top of the bearing platform, at least two color marks are arranged on the positioning sheets, a plurality of gray sensors which are arranged at intervals are arranged on the prefabricated pier component, and the control unit is used for controlling hoisting equipment to drive the prefabricated pier component to move relative to the bearing platform according to the color marks acquired by the gray sensors until the bearing platform is aligned with the prefabricated pier component; the positioning construction device provided by the application can enable the construction of the prefabricated pier component and the bearing platform to be completed quickly in a short time through the guiding cooperation of the gray level sensor and the positioning sheet and the control of the control unit, and fine adjustment can also be completed quickly, thereby shortening the construction period, ensuring that the construction quality can meet the requirements, and saving time and labor.
Description
Technical Field
The application relates to the technical field of bridge engineering, in particular to a positioning construction device and method for a prefabricated bridge.
Background
At present, a pier is a building for supporting a bridge span mechanism and transmitting constant load and vehicle load to a foundation, the pier is generally fixed on a water surface by using a bearing platform, and the pier and the bearing platform are generally connected by using reinforcing steel bars pre-buried in the pier and then poured into an integrated structure.
The construction of piers and platforms has been rapidly developed, and at present, there are various different technical routes for the construction of piers and platforms, including: the first is to embed the precast pier into the groove of the bearing platform and reproduce the cast-in-place concrete to form a whole, the second is to bolt the precast pier and the bearing platform to form a whole through the limit rod nails and the steel plate, the third is to cast-in-place the precast pier and the bearing platform integrally after the precast pier and the precast bearing platform are partially precast integrally, and the fourth is to connect the precast pier and the precast bearing platform through a socket structure of a grouting sleeve. However, before connecting the prefabricated pier with the bearing platform, the prefabricated pier is required to be lifted and then aligned with the bearing platform, in the related art, the adjustment and the alignment are required to be carried out by means of manual operation, the whole process is time-consuming and labor-consuming, the labor consumption is high, the construction efficiency is low, and the alignment precision cannot be well ensured.
Disclosure of Invention
The embodiment of the application provides a positioning construction device for a prefabricated bridge, which aims to solve the problems that the manual adjustment and alignment are needed in the related art, so that the manual consumption is high, the construction efficiency is low, and the alignment precision cannot be ensured.
In a first aspect, there is provided a positioning construction device for a prefabricated bridge, comprising:
the top of the bearing platform is provided with a plurality of positioning sheets which are arranged at intervals, and the positioning sheets are provided with at least two color marks;
the precast pier member is provided with a plurality of gray level sensors which are arranged at intervals, and each gray level sensor corresponds to one of the positioning sheets;
the control unit is connected with the gray level sensor and is used for controlling the hoisting equipment to drive the precast pier components to move relative to the bearing platform according to the color marks acquired by the gray level sensor until the bearing platform is aligned with the precast pier components.
In some embodiments, a plurality of end-to-end coamings are arranged at the top of the bearing platform, and the coamings jointly enclose a containing area for containing the bottom of the prefabricated pier component;
and at least one positioning sheet is arranged on the bearing platform positioned at the outer side of each coaming.
In some embodiments, the spacer is elongated;
the locating piece comprises three color marks which are arranged side by side along the length direction of the locating piece.
In some embodiments, the outer sides of the bottoms of the precast pier components are respectively provided with a direction stabilizing plate, the surfaces with larger areas of the direction stabilizing plates are arranged in parallel along the bottom surfaces of the precast pier components, and each direction stabilizing plate is provided with at least one gray sensor.
In some embodiments, balancing tables are arranged on the outer sides of the bottoms of the prefabricated pier components, the balancing tables are connected with the prefabricated pier components through bolts, triangular connecting plates are arranged on the balancing tables, and the triangular connecting plates are connected with the direction stabilizing plates and used for connecting the direction stabilizing plates with the prefabricated pier components.
In some embodiments, at least one steering column vertically penetrates through the steering plate, and the steering column is in threaded connection with the steering plate;
the bearing platform is provided with a plurality of fixing holes which are arranged at intervals, and the fixing holes are used for being matched with the corresponding steering column.
In some embodiments, the stabilizing plate is provided with at least one connecting lug, and the connecting lug is used for connecting and adjusting the auxiliary hanging cable for adjusting the verticality of the precast pier component.
In a second aspect, a positioning construction method of a prefabricated bridge is provided, which is implemented by using the positioning construction device, and the steps include:
hoisting the bearing platform above the prefabricated pier component;
judging whether all gray scale sensors acquire color marks, if not, moving the prefabricated pier component relative to the bearing platform within a first preset range, if so, judging whether all the color marks acquired by the gray scale sensors are all of the same color, if not, judging that the prefabricated pier component is askew relative to the bearing platform, and moving the prefabricated pier component relative to the bearing platform within a second preset range until all the color marks acquired by the gray scale sensors are of the same color.
In some embodiments, after all the color marks acquired by the gray level sensors are the same color, the prefabricated pier component is controlled to be lowered at a preset speed until the bottom of the stabilizing column is level with the bearing platform;
rotating the steering column to separate the steering column from the steering plate, so that the steering column falls into the fixing hole freely;
and continuing to lower the prefabricated pier component until the bottom of the prefabricated pier component is accommodated in the accommodating area and is matched with the embedded part on the bearing platform.
In some embodiments, before hoisting, the outer surfaces of the bearing platform and the prefabricated pier components are cleaned, so that the flatness of the bearing platform is not greater than a preset flatness.
The technical scheme provided by the application has the beneficial effects that:
the embodiment of the application provides a positioning construction device for a prefabricated bridge, wherein a plurality of positioning sheets are arranged at the top of a bearing platform, a plurality of gray sensors are arranged on prefabricated pier components, and a control unit is used for controlling hoisting equipment to drive the prefabricated pier components to move relative to the bearing platform according to color marks acquired by the gray sensors so as to align the bearing platform with the prefabricated pier components.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of one view angle of a positioning construction device for a prefabricated bridge according to an embodiment of the present application;
fig. 2 is a schematic structural view of another view angle of the positioning construction device for a prefabricated bridge according to the embodiment of the present application;
FIG. 3 is an enlarged schematic view of the area A of FIG. 2 according to the present application;
fig. 4 is a schematic structural view of another view angle of the positioning construction device for a prefabricated bridge according to the embodiment of the present application.
In the figure: 1-bearing platform, 10-locating sheet, 11-coaming, 12-fixed plate, 13-fixed hole, 14-embedded part, 2-prefabricated pier component, 20-gray sensor, 21-stable plate, 22-balance table, 23-triangle connecting plate, 24-stable column, 25-connecting lug, 3-auxiliary hanging cable and 4-main hanging cable.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The embodiment of the application provides a positioning construction device for a prefabricated bridge, which can solve the problems that the manual adjustment and alignment are needed in the related art, so that the manual consumption is high, the construction efficiency is low, and the alignment precision cannot be ensured.
Referring to fig. 1 and 4, the positioning construction device mainly comprises a bearing platform 1, a prefabricated pier component 2 and a control unit, wherein a plurality of positioning plates 10 which are arranged at intervals are arranged at the top of the bearing platform 1, at least two color marks are arranged on the positioning plates 10, a plurality of gray sensors 20 which are arranged at intervals are arranged on the prefabricated pier component 2, each gray sensor 20 corresponds to one of the positioning plates 10 in position, namely, the gray sensors 20 are used for identifying the color marks on the positioning plates 10, and the number and the arrangement positions of the gray sensors 20 uniformly correspond to the positioning plates 10; the control unit is connected with the gray level sensors 20, and is used for controlling the hoisting equipment to drive the precast pier elements 2 to move relative to the bearing platform 1 according to the color marks acquired by the gray level sensors 20 until the bearing platform 1 is aligned with the precast pier elements 2, namely, each gray level sensor 20 acquires the corresponding color mark on the corresponding positioning sheet 10, which means that the precast pier elements 2 are aligned with the bearing platform 1, compared with manual observation alignment, the positioning construction device can enable the construction of the precast pier elements 2 and the bearing platform 1 to be completed quickly in a short time through the guiding cooperation of the gray level sensors 20 and the positioning sheets 10 and the control of the control unit, fine adjustment can be completed quickly, the construction period is shortened, the construction quality is ensured to meet the requirements, and time and labor are saved; in addition, construction is not needed at night when urban traffic is the most smooth, and the influence of all-weather construction on urban traffic is minimized.
Further, the top of the bearing platform 1 is provided with a plurality of coamings 11 connected end to end, the coamings 11 jointly enclose a containing area for containing the bottom of the prefabricated pier component 2, and the bearing platform 1 positioned on the outer side of each coamings 11 is provided with at least one positioning sheet 10. Specifically, the coaming 11 is in a strip shape, a plurality of coamings 11 are connected end to end and then generally enclose a shape which is matched with the shape of the bottom of the prefabricated pier component 2, for example, a square shape is formed, the coamings 11 mainly play a role in positioning, and a plurality of embedded parts 14 for being in butt joint with the prefabricated pier component 2 are arranged in an area enclosed by the coamings 11; at least one positioning sheet 10 is arranged on the bearing platform 1 positioned outside each coaming 11, and in order to facilitate the fixing of the positioning sheet 10 on the bearing platform 1, preferably, a fixing plate 12 is arranged on the bearing platform 1 positioned outside each coaming 11, the fixing plate 12 is vertically connected with the adjacent coaming 11, and the positioning sheet 10 is fixedly connected with the bearing platform 1 through the fixing plate 12.
Further, the spacer 10 may have various shapes such as square, circular, or even triangle, but for convenience in recognition of the gray sensor 20, preferably, the shape of the spacer 10 is a long strip, where the spacer 10 includes three color marks arranged side by side along the length direction thereof, where the three colors may be any suitable colors, and a color with a larger color difference is generally selected to facilitate recognition and distinction, for example, the three colors may be blue, red, and yellow, where the red is located in the middle, and is a color mark that can be uniquely recognized by the gray sensor 20 when the prefabricated pier member 2 is completely aligned with the bearing platform 1.
Further, the outer sides of the bottoms of the precast pier members 2 are respectively provided with a direction stabilizing plate 21, the surfaces with larger areas of the direction stabilizing plates 21 are arranged in parallel along the bottom surfaces of the precast pier members 2, and each direction stabilizing plate 21 is provided with at least one gray level sensor 20. Specifically, the outer side of the bottom of the precast pier member 2, that is, the circumferential surface of the precast pier member 2 near one end of the bottom, the surface with the larger area of the stabilizing plate 21 is arranged in parallel along the bottom surface of the precast pier member 2, that is, one side of the stabilizing plate 21 extends outwards from the other side of the fixed side of the precast pier member 2, and the arrangement structure can ensure that the gray sensor 20 can accurately identify the positioning sheet 10 at the corresponding position, so that the positioning sheet is not blocked by other structures to the greatest extent and the identification failure is caused.
Further, referring to fig. 3, balancing stand 22 is provided on the outer side of the bottom of the precast pier member 2, the balancing stand 22 is vertically arranged and is fixed to the precast pier member 2 through a bolt connection, a triangular connection plate 23 is provided on the balancing stand 22, and the triangular connection plate 23 is connected to the direction stabilizing plate 21 for connecting the direction stabilizing plate 21 and the precast pier member 2.
Further, referring to fig. 2, in order to further ensure the stability of the abutment member 2 when in butt joint with the abutment 1, at least one steering column 24 is vertically arranged on the steering plate 21 in a penetrating manner, the steering column 24 has a certain length and is in threaded connection with the steering plate 21, and a plurality of fixing holes 13 are arranged on the abutment 1 at intervals, and the fixing holes 13 are used for matching with the corresponding steering columns 24. Specifically, when all gray level sensors 20 detect the red color mark, it is indicated that the prefabricated pier component 2 reaches the designated position and meets the requirement of verticality, at this time, the control unit controls the cable connected with the prefabricated pier component 2 to simultaneously descend the prefabricated pier component 2 at the same speed until the distance between the prefabricated pier component 2 and the embedded part 14 of the bearing platform 1 reaches the length of the stabilizing column 24, the stabilizing column 24 is rotated to separate the stabilizing column 24 from the stabilizing plate 21, then the stabilizing column 24 falls freely into the fixing hole 13 under the action of gravity, and the prefabricated pier component 2 is ensured to descend without swinging under the guidance of the stabilizing column 24, so that the prefabricated pier component 2 and the embedded part 14 of the bearing platform 1 can be matched. And finally, after the combination, pouring concrete into the pouring opening to strengthen the bottom. At the moment, the lifting appliance is detached to disconnect the mooring rope from the prefabricated pier component 2, so that the lifting can be completed.
Further, at least one connecting lug 25 is arranged on the stabilizing plate 21, the connecting lug 25 is used for connecting and adjusting an auxiliary hanging cable 3 for adjusting the perpendicularity of the precast pier component 2, the auxiliary hanging cable 3 is mainly used for adjusting the perpendicularity of the precast pier component 2 and used for fine adjustment, a main hanging cable 4 is further connected to the top of the precast pier component 2, and the main hanging cable 4 is mainly used for lowering the precast pier component 2.
The application also provides a positioning construction method of the prefabricated bridge, which is implemented by using the positioning construction device and is characterized by comprising the following steps:
hoisting the bearing platform 1 above the prefabricated pier component 2;
judging whether all the gray scale sensors 20 acquire color marks, if not, moving the precast pier member 2 relative to the bearing platform 1 within a first preset range, if so, judging whether all the gray scale sensors 20 acquire color marks of the same color, if not, judging that the precast pier member 2 is askew relative to the bearing platform 1, and moving the precast pier member 2 relative to the bearing platform 1 within a second preset range until all the gray scale sensors 20 acquire color marks of the same color.
Specifically, the main hoisting cable 4 is connected with the precast pier member 2 through a lifting appliance, the auxiliary hoisting cable 3 is connected with the stabilizing plate 21 through a connecting lug 25, and in the hoisting process, the main hoisting cable 4 is used for main hoisting work, and the auxiliary hoisting cable 3 is used for adjusting verticality; the control unit is used for inputting positioning coordinate information of various prefabricated pier components 2 in the design drawing, and can be a computer, a microprocessor, a programmable controller and the like, the distance and the direction of the lifting device to be moved, the height and the speed of lifting hooks to be lifted and the corresponding control signals are output to the lifting device, so that the automobile crane can move the prefabricated pier components 2 above the bearing platform 1 more accurately according to the positioning signals and the information in the design drawing and by combining an artificial intelligent algorithm.
When the automobile crane moves the precast pier member 2 to the designated position, because the precast pier member 2 is basically located right above the bearing platform 1, the control unit can receive signals fed back by the gray sensors 20 at this time, so that whether all the gray sensors 20 collect color marks is firstly judged, if not, the error between the precast pier member 2 and the bearing platform 1 is larger, the precast pier member 2 needs to be moved relative to the bearing platform 1 within a first preset range, if so, whether all the color marks collected by the gray sensors 20 are the same color is further judged, if not, the precast pier member 2 is judged to be askew relative to the bearing platform 1, and the precast pier member 2 is moved relative to the bearing platform 1 within a second preset range until all the color marks collected by the gray sensors 20 are the same color, and the same color is positioned in the middle of the positioning sheet 10.
Further, after all the color marks acquired by the gray level sensors 20 are the same color, the prefabricated pier component 2 is controlled to be lowered at a preset speed until the bottom of the steering column 24 is flush with the bearing platform 1, the steering column 24 is rotated to separate the steering column 24 from the steering plate 21, the steering column 24 falls into the fixing hole 13 freely, and the prefabricated pier component 2 is continuously lowered until the bottom of the prefabricated pier component 2 is accommodated in the accommodating area and is matched with the embedded part 14 on the bearing platform 1.
Further, before hoisting, the outer surfaces of the bearing platform 1 and the prefabricated pier component 2 are cleaned, so that the flatness of the bearing platform 1 is not more than the preset flatness. Specifically, before hoisting, the prefabricated pier component 2 is inspected and cleaned, dust, sundries and the like on the surface are removed, and cleaning comprises cleaning, cleaning and other actions; meanwhile, the bearing platform 1 also needs to be checked and cleaned, so that the flatness and the cleanliness of the bearing platform are ensured, and the subsequent smooth butt joint is ensured.
After hoisting is completed, checking and accepting the prefabricated bridge pier, and confirming that the prefabricated bridge pier meets the design requirement and quality standard; then, installing a support on the prefabricated bridge pier and connecting the support with the beam section; and finally, performing earth backfilling or other treatment around the prefabricated bridge pier to ensure the stability and the attractiveness of the prefabricated bridge pier.
In the description of the present application, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element in question must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present application. Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
It should be noted that in the present application, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The foregoing is only a specific embodiment of the application to enable those skilled in the art to understand or practice the application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. Positioning construction device of prefabricated bridge, its characterized in that includes:
the top of the bearing platform (1) is provided with a plurality of positioning sheets (10) which are arranged at intervals, and at least two color marks are arranged on the positioning sheets (10);
the prefabricated bridge pier component (2) is provided with a plurality of gray level sensors (20) which are arranged at intervals, and each gray level sensor (20) corresponds to one of the positioning sheets (10);
the control unit is connected with the gray level sensor (20), and is used for controlling the hoisting equipment to drive the precast pier components (2) to move relative to the bearing platform (1) according to the color marks acquired by the gray level sensor (20) until the bearing platform (1) is aligned with the precast pier components (2).
2. The positioning construction device for a prefabricated bridge according to claim 1, wherein:
a plurality of coamings (11) connected end to end are arranged at the top of the bearing platform (1), and the coamings (11) jointly enclose a containing area for containing the bottom of the prefabricated pier component (2);
at least one locating piece (10) is arranged on the bearing platform (1) positioned on the outer side of each coaming (11).
3. The positioning construction device for a prefabricated bridge according to claim 1, wherein:
the positioning sheet (10) is in a strip shape;
the locating sheet (10) comprises three color marks which are arranged side by side along the length direction of the locating sheet.
4. The positioning construction device for a prefabricated bridge according to claim 1, wherein:
the outer sides of the bottoms of the prefabricated pier components (2) are respectively provided with a direction stabilizing plate (21), the surfaces with larger areas of the direction stabilizing plates (21) are arranged in parallel along the bottom surfaces of the prefabricated pier components (2), and each direction stabilizing plate (21) is provided with at least one gray sensor (20).
5. The positioning construction device for a prefabricated bridge according to claim 4, wherein:
balance table (22) are arranged on the outer side of the bottom of the prefabricated pier component (2), the balance table (22) is connected with the prefabricated pier component (2) through bolts, a triangular connecting plate (23) is arranged on the balance table (22), and the triangular connecting plate (23) is connected with the direction stabilizing plate (21) so as to be used for connecting the direction stabilizing plate (21) and the prefabricated pier component (2).
6. The positioning construction device for a prefabricated bridge according to claim 4, wherein:
at least one steering column (24) vertically penetrates through the steering plate (21), and the steering column (24) is in threaded connection with the steering plate (21);
the bearing platform (1) is provided with a plurality of fixing holes (13) which are arranged at intervals, and the fixing holes (13) are used for being matched with the corresponding steering column (24).
7. The positioning construction device for a prefabricated bridge according to claim 4, wherein:
at least one connecting lug (25) is arranged on the stabilizing plate (21), and the connecting lug (25) is used for connecting and adjusting the auxiliary hanging cable (3) of the perpendicularity of the precast pier member (2).
8. A positioning construction method of a prefabricated bridge, which is implemented by using the positioning construction device according to claim 1, characterized in that the method comprises the steps of:
hoisting the bearing platform (1) above the prefabricated pier component (2);
judging whether all gray level sensors (20) acquire color marks, if not, moving the prefabricated pier component (2) relative to the bearing platform (1) within a first preset range, if so, judging whether all the color marks acquired by the gray level sensors (20) are all of the same color, if not, judging that the prefabricated pier component (2) is askew relative to the bearing platform (1), and moving the prefabricated pier component (2) relative to the bearing platform (1) within a second preset range until all the color marks acquired by the gray level sensors (20) are all of the same color.
9. The positioning construction method of the prefabricated bridge according to claim 8, wherein:
after all the color marks acquired by the gray level sensors (20) are the same color, the prefabricated pier component (2) is controlled to be lowered at a preset speed until the bottom of the steady post (24) is flush with the bearing platform (1);
rotating the steering column (24) to separate the steering column (24) from the steering plate (21) so that the steering column (24) falls into the fixing hole (13) freely;
and continuously lowering the prefabricated pier component (2) until the bottom of the prefabricated pier component (2) is accommodated in the accommodating area and is matched with the embedded part (14) on the bearing platform (1).
10. The positioning construction method of the prefabricated bridge according to claim 8, wherein:
before hoisting, cleaning the outer surfaces of the bearing platform (1) and the prefabricated pier component (2) so that the flatness of the bearing platform (1) is not more than the preset flatness.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310689987.1A CN116641312A (en) | 2023-06-12 | 2023-06-12 | Positioning construction device and method for prefabricated bridge |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202310689987.1A CN116641312A (en) | 2023-06-12 | 2023-06-12 | Positioning construction device and method for prefabricated bridge |
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Publication Number | Publication Date |
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CN116641312A true CN116641312A (en) | 2023-08-25 |
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Application Number | Title | Priority Date | Filing Date |
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CN202310689987.1A Pending CN116641312A (en) | 2023-06-12 | 2023-06-12 | Positioning construction device and method for prefabricated bridge |
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2023
- 2023-06-12 CN CN202310689987.1A patent/CN116641312A/en active Pending
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