CN108343087B - Prefabricated part transportation and assembly equipment system and construction method thereof - Google Patents
Prefabricated part transportation and assembly equipment system and construction method thereof Download PDFInfo
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- CN108343087B CN108343087B CN201810384771.3A CN201810384771A CN108343087B CN 108343087 B CN108343087 B CN 108343087B CN 201810384771 A CN201810384771 A CN 201810384771A CN 108343087 B CN108343087 B CN 108343087B
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- 238000010276 construction Methods 0.000 title abstract description 35
- 238000006073 displacement reaction Methods 0.000 claims abstract description 22
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- 238000005096 rolling process Methods 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000013461 design Methods 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 description 5
- 238000011065 in-situ storage Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
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- 230000018109 developmental process Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
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- 239000000463 material Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/10—Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells
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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The transportation assembly equipment system comprises a guide rail, transportation assembly equipment, at least two car bodies and a connecting beam; each car body is connected to the guide rail in a rolling way; the vehicle body comprises a vehicle body structure, a traveling system and an alignment system; the vehicle body structure comprises a top buckle plate and a bottom buckle plate, and the top buckle plate and the bottom buckle plate are spliced together to form a hollow box body with a rectangular cross section; the traveling system is arranged on the vehicle body structure and used for driving the vehicle body structure to move along the guide rail; the alignment system is arranged on the vehicle body structure and used for adjusting the vertical displacement and the transverse displacement of the prefabricated part to be transported; the prefabricated part is placed on a roof buckle plate of the vehicle body structure, and the transportation and installation work of the prefabricated part is completed through the vehicle body structure, the traveling system and the alignment system. The invention solves the technical problems of large heavy hoisting workload, more potential safety hazards, large occupied area of hoisting operation, high labor intensity of alignment assembling operation and poor assembling precision in the traditional construction method.
Description
Technical Field
The invention relates to a transportation and assembly equipment system of prefabricated parts and a construction method thereof.
Background
The utility tunnel is a public tunnel for centralized laying of municipal pipelines such as electric power, communication, water supply, water discharge, heating power, gas and the like under the city. The urban underground comprehensive prefabricated pipe gallery is constructed by lagging underground infrastructure, planning, constructing and managing various municipal pipelines comprehensively, solving the problems of repeated road surface excavation, dense overhead line nets, frequent pipeline accidents and the like, ensuring urban safety, improving urban functions, beautifying urban landscapes and promoting urban intensive and efficient and transformation development. The construction of the comprehensive prefabricated pipe gallery in China is in a starting stage, and from the construction condition of the city of the test points of the comprehensive prefabricated pipe gallery in China, the construction mode of the comprehensive prefabricated pipe gallery mainly comprises the development and matched construction of new areas, and the construction method mainly comprises the open cut cast-in-place method. The open cut cast-in-situ method is the most mature underground engineering construction method in China, has the advantages of simple technical process, low economic cost, capability of accelerating the construction speed by increasing the investment of manpower and material resources, and the like, but the cast-in-situ operation also has the problems of high labor intensity of workers, large labor and consumption, high potential safety hazard, large resource energy consumption, large pollution discharge and amplification, large construction waste amount, large fine management difficulty and the like in a construction site.
At present, in the construction process of the assembled comprehensive prefabricated pipe gallery engineering, the construction method of hoisting and assembling by a large hoisting machine and assisting in manually pushing, pulling and prying is mainly applied. Under the condition that the labor intensity is not obviously reduced, the assembly precision cannot be ensured, meanwhile, hoisting equipment needs a hoisting station site with huge foundation pit side scale, and large-scale strengthening measures are needed to be adopted for the ground at the crane station site; the main process flow comprises the following steps: firstly, a cushion layer is applied to the bottom of a foundation pit, then a dry-mixed mortar leveling layer is paved on the cushion layer, then a member is hung into the foundation pit by using a crawler crane or a portal crane for alignment, meanwhile, tools such as a crow bar and the like are held by workers for auxiliary alignment, after alignment is completed, a duct is reserved in the longitudinal direction of the member, a prestress rib is penetrated, and the front member and the rear member are tensioned by prestress. The problems and disadvantages of this approach include the following: 1. the assembly precision of hoisting components by a crane and manual auxiliary alignment is greatly dependent on the operation technology of a crane driver, and finally the assembly precision of the prefabricated components is difficult to ensure; 2. in the selection of hoisting machinery, when the crawler crane is used as hoisting machinery, a certain safety distance must be kept between the crawler crane and the foundation pit edge due to the large self weight of the crawler crane; therefore, a wide construction site on one side of the foundation pit must be ensured for the crane station; 3. the reinforcement hardening treatment must be carried out on all the ground on the walking and standing route of the crane, and the hardened layers are finally broken and discarded; 4. the gantry crane is limited by safety gradient requirements, can not turn and can not be randomly transferred, and the like, so that the applicability to comprehensive prefabricated pipe gallery engineering is poor, and the engineering volume of constructing the temporary track foundation of the gantry crane on the whole line is large.
Disclosure of Invention
The invention aims to provide a transportation assembly equipment system for prefabricated parts and a construction method thereof, which aim to solve the technical problems of large heavy hoisting workload, more potential safety hazards, large occupied area of hoisting operation, high labor intensity of alignment assembly operation and poor assembly precision in the traditional construction method.
In order to achieve the above purpose, the present invention adopts the following technical scheme.
A transportation and assembly equipment system for prefabricated parts comprises a guide rail and transportation and assembly equipment; the transportation assembly equipment comprises at least two car bodies and a connecting beam for connecting the adjacent car bodies; wherein, each car body is connected on the guide rail in a rolling way; the vehicle body comprises a vehicle body structure, a traveling system and an alignment system; the vehicle body structure comprises a top buckle plate and a bottom buckle plate, and the top buckle plate and the bottom buckle plate are spliced together to form a hollow box body with a rectangular cross section; the traveling system is arranged on the vehicle body structure and used for driving the vehicle body structure to move along the guide rail; the alignment system is arranged on the vehicle body structure and used for adjusting the vertical displacement and the transverse displacement of the prefabricated part to be transported; the prefabricated parts are placed on a top buckle plate of the vehicle body structure, and the transportation and installation work of the prefabricated parts is completed through the mutual cooperation of the vehicle body structure, the traveling system and the alignment system.
Preferably, the prefabricated component is a prefabricated utility tunnel or a culvert.
Preferably, at least two guide rails are laid at intervals in a transverse direction in parallel; wherein, every guide rail passes through the crab-bolt and installs on the bed course of foundation ditch bottom.
Preferably, the traveling system comprises a traveling driving device, a gear, a first transmission chain and wheels.
Preferably, the alignment adjustment system comprises a sliding table, rollers and a jack; the sliding table is provided with a group of sliding tables which are arranged on the top buckle plate of one of the vehicle body structures at intervals along the longitudinal direction and used for adjusting the transverse displacement of the prefabricated part; at least one group of rollers are arranged on the top buckle plates of the rest vehicle body structures and used for adjusting the transverse displacement of the prefabricated parts; the rollers are longitudinally distributed at intervals and are arranged corresponding to the sliding table; the jacks are provided with at least two groups and are respectively arranged between the top buckle plate and the bottom buckle plate of each vehicle body structure at intervals along the longitudinal direction so as to adjust the vertical displacement of the prefabricated part.
Preferably, the top of the roller is flush with the top surface of the sliding table;
one side of the prefabricated part is lapped on the sliding table, and the other side of the prefabricated part is lapped on the roller; the roller is driven to rotate around the longitudinal axis through the transverse movement of the sliding table, and the prefabricated part is transversely adjusted.
A construction method of a transportation and assembly equipment system of prefabricated components comprises the following steps.
Step one, constructing a cushion layer.
And step two, paving a guide rail.
And thirdly, assembling and debugging the transportation and assembly equipment system.
And step four, hanging the prefabricated part to be installed: the prefabricated parts to be installed are hoisted on the transportation and assembly equipment system.
Step five, transporting prefabricated components to be installed: the transport assembly equipment system walks along the guide rail, transporting the prefabricated component to be installed to the design position.
Step six, aligning and leveling: and (3) adjusting the transportation assembly equipment system to be close to the assembled prefabricated part until the prefabricated part to be installed is attached to the assembled prefabricated part, and aligning the prefabricated part to be installed by using an alignment system.
And seventhly, connecting the prefabricated part to be installed with the assembled prefabricated part.
And step eight, returning the transportation assembly equipment system, and repeating the processes of the step four and the step seven until all the prefabricated parts to be installed are installed.
Preferably, in the sixth step, the precision error of the alignment of the prefabricated parts to be installed is less than 2mm.
Preferably, the prefabricated parts to be installed and the assembled prefabricated parts are connected through bolts, prestressed anchor cables or bell and spigot joints.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. Aiming at various defects existing in the construction of the cast-in-situ method, the invention provides a transportation assembly equipment system of prefabricated parts and a construction method thereof, and solves the technical problems of large heavy hoisting workload, multiple potential safety hazards, large occupied area of hoisting operation, high labor intensity of alignment assembly operation and poor assembly precision existing in the traditional construction method.
2. The invention relates to a transportation assembly equipment system of prefabricated parts and a construction method thereof, which specifically realize mechanized operation comprising procedures of transportation, alignment, assembly and the like; the construction method can replace the existing assembly mode of hoisting and worker cooperation alignment of a large crane, improves the assembly construction efficiency of the prefabricated comprehensive prefabricated pipe gallery, greatly reduces the hoisting work load, saves construction land, improves safety, reduces the loss caused by accidents, improves assembly precision and assembly quality, improves the construction mechanization level, and further reduces the work force consumption.
3. The transportation assembly equipment system and the construction method for the prefabricated components are designed by combining the construction environment and the characteristics of the comprehensive prefabricated pipe gallery, so that the assembly construction efficiency of the prefabricated comprehensive prefabricated pipe gallery is improved, the hoisting operation amount is greatly reduced, the construction land is saved, the safety is improved, the loss caused by accidents is reduced, the assembly precision and the assembly quality are improved, the construction mechanization level is improved, the green construction is realized, the pollution emission is reduced, and the problem of shortage of labor resources caused by the aging of workers is solved.
4. The invention can provide technical guidance for key technologies and equipment popularization and application of the prefabricated pipe gallery design theory and mechanized construction of the assembled city and further deep research.
Drawings
The invention is described in further detail below with reference to the accompanying drawings.
Fig. 1 is a schematic plan view of a system of transport equipment in accordance with the present invention.
Fig. 2 is a schematic side view of a vehicle body in the present invention.
FIG. 3 is a schematic view of the cross-sectional structure A-A in FIG. 2.
Fig. 4 is a schematic side view of the slide table in the present invention.
Fig. 5 is a schematic plan view of a slide table in the present invention.
Fig. 6 is a schematic view of the structure of the rail-mat connection in the present invention.
Fig. 7 is a schematic view of the structure in which the prefabricated member in embodiment 1 is placed on a vehicle body structure.
Fig. 8 is a schematic view of the structure in which the prefabricated member in embodiment 2 is placed on a vehicle body structure.
Reference numerals: 1-prefabricated parts, 2-guide rails, 3-car bodies, 3.1-walking driving devices, 3.2-gears, 3.3-first transmission chains, 3.4-wheels, 3.5-sliding tables, 3.5.1-supporting plates, 3.5.2-lead screws, 3.6-rollers, 3.6.1-roller units, 3.7-counterpoint driving motors, 3.8-jacks, 3.9-hydraulic oil pumps, 3.10-second transmission chains, 3.11-top buckle plates, 3.12-bottom buckle plates, 4-connecting beams, 5-cushion layers, 6-anchor bolts and 7-triangular brackets.
Detailed Description
Example 1: as shown in fig. 1 to 7, such a prefabricated component transport and assembly equipment system is used for the transport and installation of the prefabricated component 1; the equipment system comprises a guide rail 2 and transport assembly equipment; the transportation and assembly equipment comprises at least two vehicle bodies 3 and a connecting beam 4 for connecting the adjacent vehicle bodies 3; wherein each car body 3 is connected to the guide rail 2 in a rolling way; the vehicle body 3 comprises a vehicle body structure, a traveling system and an alignment system; the vehicle body structure comprises a top buckle plate 3.11 and a bottom buckle plate 3.12, and the top buckle plate 3.11 and the bottom buckle plate 3.12 are spliced together to form a hollow box body with a rectangular cross section; the traveling system is arranged on the vehicle body structure and used for driving the vehicle body structure to move along the guide rail 2; the alignment system is arranged on the vehicle body structure and used for adjusting the vertical displacement and the transverse displacement of the prefabricated part 1 to be transported; the prefabricated part 1 is placed on a roof buckle plate 3.11 of a vehicle body structure, and the transportation and installation work of the prefabricated part is completed through the mutual cooperation of the vehicle body structure, a traveling system and an alignment system.
In this embodiment, the prefabricated component 1 is a prefabricated utility tunnel, and the section of the prefabricated utility tunnel is rectangular; triangular brackets 7 are respectively arranged on the side walls on the two sides of the prefabricated comprehensive pipe rack and correspond to the top positions of the vehicle body structure. Of course, in other embodiments, the prefabricated element 1 may also be a culvert.
In this embodiment, the cross section of the top buckle plate 3.11 is in an inverted U shape, and the cross section of the bottom buckle plate 3.12 is in a U shape; the top pinch plate 3.11 is buckled on the bottom pinch plate 3.12 to form a hollow box body with a rectangular cross section;
in this embodiment, at least two guide rails 2 are laid along the transverse parallel interval; wherein, each guide rail 2 is arranged on a cushion layer 5 at the bottom of the foundation pit through an anchor bolt 6; the distance between two adjacent guide rails 2 is larger than the width of the prefabricated comprehensive pipe rack; the lower part of the prefabricated comprehensive pipe rack is inserted between the two guide rails 2, and the triangular brackets 7 on the two sides are respectively erected on the vehicle body structures on the two sides.
In the embodiment, the traveling system comprises a traveling driving device 3.1, a gear 3.2, a first transmission chain 3.3 and wheels 3.4; wherein, the walking driving device 3.1 is arranged at the top of the front end of the vehicle body structure; the wheels 3.4 are provided with a group which are arranged on the bottom buckle plate 3.12 of the vehicle body structure at intervals along the longitudinal direction; the first transmission chain 3.3 is arranged between the walking driving device 3.1 and the gear 3.2 and between the gear 3.2 and the wheels 3.4; the gear wheel 3.2 is arranged on the inner side wall of the bottom pinch plate 3.12 and is positioned at the position where the first transmission chain 3.3 passes.
In this embodiment, the alignment adjustment system includes a sliding table 3.5, a roller 3.6, and a jack 3.8; the sliding table 3.5 is provided with a group of roof buckle plates 3.11 which are arranged on one of the vehicle body structures at intervals along the longitudinal direction, and the transverse displacement of the prefabricated part 1 is adjusted by providing power for the alignment driving motor 3.7; at least one group of rollers 3.6 are arranged on the top pinch plates 3.11 of the rest of each vehicle body structure and are used for adjusting the transverse displacement of the prefabricated part 1; the rollers 3.6 are longitudinally and alternately distributed and are arranged corresponding to the sliding table 3.5; the jacks 3.8 are at least two groups and are respectively arranged between the top pinch plate 3.11 and the bottom pinch plate 3.12 of each vehicle body structure at intervals along the longitudinal direction, and the vertical displacement of the prefabricated part 1 is regulated by providing power through the hydraulic oil pump 3.9; the alignment driving motor 3.7 is arranged on a car body structure at one side provided with the sliding table 3.5, and a second transmission chain 3.10 is connected between the alignment driving motor 3.7 and the sliding table 3.5 and between the sliding table 3.5 and the sliding table 3.5; the hydraulic oil pump 3.9 is mounted in a tank provided on the tie beam 4. Of course, in other embodiments, the sliding table 3.5 may be driven by hydraulic power, manual power, or the like.
In the embodiment, the sliding table 3.5 is a dovetail groove screw rod supporting plate and comprises a supporting plate 3.5.1 and a screw rod 3.5.2; the roof buckle plate 3.11 of the vehicle body structure is provided with a groove at the position corresponding to the sliding table 3.5; the lead screw 3.5.2 is horizontally arranged in the groove, and the top of the lead screw 3.5.2 is level with the top of the groove; the supporting plate 3.5.1 is horizontally connected to the top of the lead screw 3.5.2;
the roller 3.6 comprises two roller units 3.6.1 which are longitudinally arranged, the two roller units 3.6.1 are connected to the top of a roof buckle plate 3.11 of the vehicle body structure at intervals in parallel along the transverse direction, and the tops of the two roller units 3.6.1 are level with the top surface of the sliding table 3.5;
one side of the prefabricated utility tunnel is lapped on the sliding table 3.5, the other side of the prefabricated utility tunnel is lapped on the roller 3.6, the power provided by the contraposition driving motor 3.7 drives the sliding table 3.5 to move transversely, and the roller 3.6 is driven to rotate around the longitudinal axis, so that the prefabricated utility tunnel is adjusted transversely.
Of course, in other embodiments, the supporting plate 3.5.1 in the sliding table 3.5 can be replaced by a horizontally placed jack or manually rotated the screw 3.5.2 for transverse adjustment, and the roller 3.6 can be replaced by a set of balls.
Example 2: as shown in fig. 1-6, 8, such a prefabricated component transport assembly equipment system is used for the transport and installation of prefabricated components 1; the equipment system comprises a guide rail 2 and transport assembly equipment; the transportation and assembly equipment comprises at least two vehicle bodies 3 and a connecting beam 4 for connecting the adjacent vehicle bodies 3; wherein each car body 3 is connected to the guide rail 2 in a rolling way; the vehicle body 3 comprises a vehicle body structure, a traveling system and an alignment system; the vehicle body structure comprises a top buckle plate 3.11 and a bottom buckle plate 3.12, and the top buckle plate 3.11 and the bottom buckle plate 3.12 are spliced together to form a hollow box body with a rectangular cross section; the traveling system is arranged on the vehicle body structure and used for driving the vehicle body structure to move along the guide rail 2; the alignment system is arranged on the vehicle body structure and used for adjusting the vertical displacement and the transverse displacement of the prefabricated part 1 to be transported; the prefabricated part 1 is placed on a roof buckle plate 3.11 of a vehicle body structure, and the transportation and installation work of the prefabricated part is completed through the mutual cooperation of the vehicle body structure, a traveling system and an alignment system.
In this embodiment, the prefabricated component 1 is a prefabricated utility tunnel, and the section of the prefabricated utility tunnel is rectangular.
Of course, in other embodiments, the prefabricated element 1 may also be a culvert.
In this embodiment, the cross section of the top buckle plate 3.11 is in an inverted U shape, and the cross section of the bottom buckle plate 3.12 is in a U shape; the top pinch plate 3.11 is buckled on the bottom pinch plate 3.12 to form a hollow box body with a rectangular cross section;
in this embodiment, at least two guide rails 2 are laid along the transverse parallel interval; and two adjacent guide rails 2 are respectively arranged on the ground at two sides of the foundation pit bottom cushion layer 5; the top surface of the upper body structure of the guide rail 2 is higher than the top surface of the cushion layer 5, and two sides of the bottom of the prefabricated comprehensive pipe rack are respectively lapped on two adjacent body structures.
In the embodiment, the traveling system comprises a traveling driving device 3.1, a gear 3.2, a first transmission chain 3.3 and wheels 3.4; wherein, the walking driving device 3.1 is arranged at the top of the front end of the vehicle body structure; the wheels 3.4 are provided with a group which are arranged on the bottom buckle plate 3.12 of the vehicle body structure at intervals along the longitudinal direction; the first transmission chain 3.3 is arranged between the traveling driving device 3.1 and the wheel 3.4 and between the wheel 3.4 and the wheel 3.4; the gear wheel 3.2 is mounted on a side wall of the vehicle body structure at a position where the first drive chain 3.3 passes.
In this embodiment, the alignment adjustment system includes a sliding table 3.5, a roller 3.6, and a jack 3.8; the sliding table 3.5 is provided with a group of roof buckle plates 3.11 which are arranged on one of the vehicle body structures at intervals along the longitudinal direction, and the transverse displacement of the prefabricated part 1 is adjusted by providing power for the alignment driving motor 3.7; at least one group of rollers 3.6 are arranged on the top pinch plates 3.11 of the rest of each vehicle body structure and are used for adjusting the transverse displacement of the prefabricated part 1; the rollers 3.6 are longitudinally and alternately distributed and are arranged corresponding to the sliding table 3.5; the jacks 3.8 are at least two groups and are respectively arranged between the top pinch plate 3.11 and the bottom pinch plate 3.12 of each vehicle body structure at intervals along the longitudinal direction, and the vertical displacement of the prefabricated part 1 is regulated by providing power through the hydraulic oil pump 3.9; the alignment driving motor 3.7 is arranged on a car body structure at one side provided with the sliding table 3.5, and a second transmission chain 3.10 is connected between the alignment driving motor 3.7 and the sliding table 3.5 and between the sliding table 3.5 and the sliding table 3.5; the hydraulic oil pump 3.9 is mounted in a tank provided on the tie beam 4.
In this embodiment, the sliding table 3.5 includes a supporting plate 3.5.1 and a screw rod 3.5.2; the roof buckle plate 3.11 of the vehicle body structure is provided with a groove at the position corresponding to the sliding table 3.5; the supporting plate 3.5.1 is horizontally arranged in the groove, and the top of the supporting plate 3.5.1 is level with the top of the groove; the lead screw 3.5.2 is horizontally connected to the top of the supporting plate 3.5.1;
the roller 3.6 comprises two roller units 3.6.1 which are longitudinally arranged, the two roller units 3.6.1 are connected to the top of a roof buckle plate 3.11 of the vehicle body structure at intervals in parallel along the transverse direction, and the tops of the two roller units 3.6.1 are level with the top surface of the sliding table 3.5;
one side of the prefabricated utility tunnel is lapped on the sliding table 3.5, the other side of the prefabricated utility tunnel is lapped on the roller 3.6, the power provided by the contraposition driving motor 3.7 drives the sliding table 3.5 to move transversely, and the roller 3.6 is driven to rotate around the longitudinal axis, so that the prefabricated utility tunnel is adjusted transversely.
Of course, in other embodiments, the supporting plate 3.5.1 in the sliding table 3.5 can be replaced by a horizontally placed jack or manually rotated the screw 3.5.2 for transverse adjustment, and the roller 3.6 can be replaced by a set of balls.
In this embodiment, the walking driving device 3.1 may be a walking driving motor.
The construction method of the transportation and assembly equipment system for the prefabricated parts in the above two embodiments includes the following steps.
Step one, constructing a cushion layer 5; firstly, foundation pit excavation supporting is carried out, and after the foundation pit is excavated to the bottom of the foundation pit and acceptance inspection is qualified, a cushion layer 5 is constructed.
Step two, paving a guide rail 2; after the cushion layer 5 is constructed, the guide rail 2 is installed and fixed on the cushion layer 5 or on two sides of the cushion layer 5.
And thirdly, assembling and debugging the transportation and assembly equipment system.
Step four, hanging up the prefabricated part 1 to be installed: the prefabricated elements 1 to be installed are hoisted on the transport assembly equipment system.
Step five, transportation of the prefabricated part 1 to be installed: the transport assembly equipment system walks along the guide rail 2, transporting the prefabricated part 1 to be installed to the design position.
Step six, aligning and leveling: and adjusting the transportation assembly equipment system to be close to the assembled prefabricated part 1 until the prefabricated part 1 to be installed is attached to the assembled prefabricated part 1, and aligning the prefabricated part 1 to be installed by using an alignment system, wherein the accuracy error of the alignment is smaller than 2mm.
Step seven, connecting the prefabricated part 1 to be installed with the assembled prefabricated part 1; the connection of the two is bolt connection or prestressed anchor cable connection or bell and spigot connection.
And step eight, returning the transportation assembly equipment system, and repeating the processes of the step four and the step seven until the prefabricated part 1 to be installed is completely installed.
The above embodiments are not exhaustive of the specific embodiments, and other embodiments are possible, and the above embodiments are intended to illustrate the present invention, not to limit the scope of the present invention, and all applications that come from simple variations of the present invention fall within the scope of the present invention.
Claims (6)
1. A transportation and assembly equipment system for prefabricated parts comprises a guide rail (2) and transportation and assembly equipment; the method is characterized in that: at least two guide rails (2) are paved at intervals in parallel along the transverse direction; the transportation assembly equipment comprises at least two vehicle bodies (3) and a connecting beam (4) for connecting the adjacent vehicle bodies (3); wherein each car body (3) is connected to the guide rail (2) in a rolling way; the vehicle body (3) comprises a vehicle body structure, a traveling system and an alignment system; the vehicle body structure comprises a top buckle plate (3.11) and a bottom buckle plate (3.12), and the top buckle plate (3.11) and the bottom buckle plate (3.12) are spliced together to form a hollow box body with a rectangular cross section; the traveling system is arranged on the vehicle body structure and used for driving the vehicle body structure to move along the guide rail (2); the alignment system is arranged on the vehicle body structure and used for adjusting the vertical displacement and the transverse displacement of the prefabricated part (1) to be transported; the prefabricated component (1) is a prefabricated comprehensive pipe gallery or a pipe culvert, and the section of the prefabricated comprehensive pipe gallery is rectangular; triangular brackets (7) are respectively arranged on the side walls on the two sides of the prefabricated comprehensive pipe rack and correspond to the top positions of the vehicle body structures; the prefabricated part (1) is placed on a top buckle plate (3.11) of the vehicle body structure, and the transportation and installation work of the prefabricated part is completed through the mutual matching of the vehicle body structure, the traveling system and the alignment system; the cross section of the top buckle plate (3.11) is in an inverted U shape, and the cross section of the bottom buckle plate (3.12) is in a U shape; the top buckle plate (3.11) is buckled on the bottom buckle plate (3.12) to form a hollow box body with a rectangular cross section; the alignment system comprises a sliding table (3.5), rollers (3.6) and jacks (3.8); the sliding table (3.5) is provided with a group of top buckle plates (3.11) which are arranged on one of the vehicle body structures at intervals along the longitudinal direction and used for adjusting the transverse displacement of the prefabricated part (1); at least one set of rollers (3.6) is arranged on the top buckle plate (3.11) of each other vehicle body structure for adjusting the transverse displacement of the prefabricated part (1); the rollers (3.6) are longitudinally distributed at intervals and are arranged corresponding to the sliding table (3.5); the jacks (3.8) are provided with at least two groups, are respectively arranged between the top buckle plate (3.11) and the bottom buckle plate (3.12) of each vehicle body structure at intervals along the longitudinal direction and are used for adjusting the vertical displacement of the prefabricated part (1); the top of the roller (3.6) is level with the top surface of the sliding table (3.5);
the lower part of the prefabricated part (1) is inserted between the two guide rails (2), and triangular brackets (7) on two sides of the prefabricated part (1) are respectively erected on the vehicle body structures on two sides; the roller (3.6) is driven to rotate around the longitudinal axis by the transverse movement of the sliding table (3.5), and the prefabricated part (1) is transversely adjusted; the sliding table (3.5) comprises a supporting plate (3.5.1) and a screw rod (3.5.2); the top buckle plate (3.11) of the vehicle body structure is provided with a groove at the position corresponding to the sliding table (3.5); the supporting plate (3.5.1) is horizontally arranged in the groove, and the top of the supporting plate (3.5.1) is level with the top of the groove; the screw rod (3.5.2) is horizontally connected to the top of the supporting plate (3.5.1);
the roller (3.6) comprises two roller units (3.6.1) which are longitudinally arranged, the two roller units (3.6.1) are connected to the top of a top buckle plate (3.11) of the vehicle body structure at intervals in parallel in the transverse direction, and the tops of the two roller units (3.6.1) are flush with the top surface of the sliding table (3.5).
2. The transportation and assembly equipment system of the prefabricated component according to claim 1, wherein: each guide rail (2) is arranged on the cushion layer (5) through an anchor bolt (6).
3. The transportation and assembly equipment system of the prefabricated component according to claim 2, wherein: the traveling system comprises a traveling driving device (3.1), a gear (3.2), a first transmission chain (3.3) and wheels (3.4).
4. A method of constructing a transport assembly facility system for prefabricated components according to any one of claims 1 to 3, comprising the steps of:
firstly, constructing a cushion layer (5);
step two, paving a guide rail (2);
step three, assembling and debugging a transportation and assembly equipment system;
step four, hanging up the prefabricated part (1) to be installed: hanging the prefabricated part (1) to be installed on a transportation and assembly equipment system;
step five, transporting the prefabricated component (1) to be installed: the transportation and assembly equipment system walks along the guide rail (2) to transport the prefabricated part (1) to be installed to a design position;
step six, aligning and leveling: adjusting a transportation assembly equipment system, approaching to the assembled prefabricated part (1) until the prefabricated part (1) to be installed is attached to the assembled prefabricated part (1), and aligning the prefabricated part (1) to be installed by using an alignment system;
step seven, connecting the prefabricated part (1) to be installed with the assembled prefabricated part (1);
and step eight, returning the transportation assembly equipment system, and repeating the processes of the step four and the step seven until the prefabricated part (1) to be installed is completely installed.
5. The method of constructing a transportation and assembly equipment system for prefabricated parts according to claim 4, wherein: and step six, the precision error of the alignment of the prefabricated component (1) to be installed is smaller than 2mm.
6. The method of constructing a transportation and assembly equipment system for prefabricated parts according to claim 4, wherein: the prefabricated components (1) to be installed are connected with the assembled prefabricated components (1) through bolts, prestressed anchor cables or bell and spigot joints.
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| CN201810384771.3A CN108343087B (en) | 2018-04-26 | 2018-04-26 | Prefabricated part transportation and assembly equipment system and construction method thereof |
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| CN201810384771.3A CN108343087B (en) | 2018-04-26 | 2018-04-26 | Prefabricated part transportation and assembly equipment system and construction method thereof |
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| CN111307129A (en) * | 2020-04-01 | 2020-06-19 | 北京建工土木工程有限公司 | Device and method for measuring installation state of pipe culvert prefabricated part |
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| CN113620014A (en) * | 2021-07-20 | 2021-11-09 | 北京市建筑工程研究院有限责任公司 | Transportation assembly system of split type prefabricated part |
| CN113802598B (en) * | 2021-09-18 | 2022-08-09 | 国网安徽省电力有限公司经济技术研究院 | Concrete prefabricated part for building modular transformer substation and construction method thereof |
| CN114955373A (en) * | 2022-03-29 | 2022-08-30 | 北京市建筑工程研究院有限责任公司 | Transverse moving mechanism of prefabricated part transportation assembly equipment |
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