CN117988458A - Bottom jacking construction system and construction method for concrete large module structure - Google Patents

Abstract

The invention discloses a concrete large module structure bottom layer jacking construction system and a construction method, wherein the system comprises a large module structure, a jacking device, a conveying device and two groups of slidable supporting components, the conveying device is used for conveying the large module structure to the position above the jacking device, the jacking device is used for lifting the large module structure above the large module structure, the two groups of slidable supporting components are respectively arranged on two sides of the jacking device, the large module structure is horizontally divided into a top layer structure and a plurality of standard layer structures, the jacking device sequentially lifts the top layer structure and the standard layer structures to specified positions and sequentially connects the top layer structure and the standard layer structures through sleeve grouting connecting nodes, the jacking device descends in the lifting process, the slidable supporting components outwards extend to the bottom of the jacked structure, when the jacking device lifts upwards, the slidable supporting components retract, temporary support can be provided for the jacked structure from the outside of the structure when the jacking device retracts, and space is provided for transportation and installation of the lower layer.

Description

Bottom jacking construction system and construction method for concrete large module structure

Technical Field

The invention relates to the technical field of structural engineering, in particular to a concrete large module structure bottom layer jacking construction system and a construction method.

Background

Compared with the traditional building construction method from bottom to top, the jacking construction method is to construct the building from top to bottom, so that the potential safety hazard problem caused by high-altitude operation can be remarkably reduced, and the requirement for lifting construction equipment along with a construction layer is greatly reduced. The large module structure is formed by dividing the structure into a plurality of layers of structures in the horizontal direction and installing and connecting the layers of structures on site layer by layer.

The existing jacking construction mostly uses a jack directly at the bottom of a column, and auxiliary structures such as temporary supports are not used, so that on-site installation and positioning and collaborative loading are difficult.

Disclosure of Invention

Aiming at the technical problems of the existing jacking construction, the invention aims to provide a concrete large module structure bottom layer jacking construction system and a construction method, and by arranging a slidable support assembly, temporary support can be provided for a jacked structure from the outside of the structure in the retraction process of a jack, sufficient space is provided for the transportation and installation of a lower layer, and the problems in the prior art are well solved.

In order to achieve the above purpose, the concrete large module structure bottom layer jacking construction system comprises a large module structure, a jacking device, a conveying device and two groups of slidable support assemblies, wherein the conveying device is used for conveying the large module structure to the position above the jacking device, the jacking device is used for lifting the large module structure above the large module structure, the two groups of slidable support assemblies are respectively and symmetrically arranged on two sides of the jacking device, the large module structure is horizontally divided into a top layer structure and a plurality of standard layer structures, the jacking device sequentially lifts the top layer structure and the plurality of standard layer structures to a designated position and sequentially connects the top layer structure and the standard layer structures through sleeve grouting connecting nodes, and when the jacking device descends, the slidable support assemblies outwards extend to the bottom of the jacked structure in the lifting process to provide temporary support for the jacked structure, and when the jacking device upwards lifts, the slidable support assemblies retract.

Further, the top layer structure comprises a plurality of top layer columns, a plurality of first top layer beams and a plurality of second top layer beams;

the plurality of top layer columns are vertically and sequentially distributed at equal intervals to form a rectangular shape, the plurality of first top layer beams and the plurality of second top layer beams are respectively and horizontally connected between the top and the bottom of the plurality of top layer columns, the plurality of top layer columns can be connected, two adjacent first top layer beams are vertically distributed, and two adjacent second top layer beams are vertically distributed;

The standard layer structure comprises a plurality of standard layer columns and a plurality of standard layer beams, the standard layer columns correspond to the top layer columns, the standard layer beams are sequentially and horizontally connected between the standard layer columns so as to connect the standard layer columns, and two adjacent standard layer beams are vertically distributed.

Further, the sleeve grouting connecting node comprises a plurality of sleeves, a plurality of upper layer lap joint steel bars and a plurality of lower layer lap joint steel bars;

The bottom of the top layer column and the bottom of the standard layer column are respectively embedded with a plurality of sleeves, the top layer column is embedded with a plurality of upper layer lap joint bars which correspond to a plurality of sleeves in the top layer column, the upper layer lap joint bars respectively extend into a plurality of sleeves in the top layer column and are fixedly connected with the sleeves, the standard layer column is embedded with a plurality of lower layer lap joint bars which correspond to a plurality of sleeves in the standard layer column, one end of each lower layer lap joint bar extends into a sleeve in the standard layer column, the other end of each lower layer lap joint bar extends out from the inside of the standard layer column to the outside,

The top of the standard layer column is in contact butt joint with the bottom of the top layer column, and a plurality of lower layer lap joint steel bars in the standard layer column are respectively inserted into a plurality of sleeves in the top layer column and are intersected with a plurality of upper layer lap joint steel bars;

The extending ends of the lower layer lap joint steel bars in the standard layer columns at the bottom extend into the sleeve in the other standard layer column and are intersected with the lower layer lap joint steel bars in the sleeve through contact butt joint of the two adjacent standard layer columns;

The sleeve is provided with a grouting opening and an exhaust opening, the grouting opening and the exhaust opening extend to the outside from the inside of the top layer column and the inside of the standard layer column, and steel bars which are intersected in the sleeve can be poured and bonded together through grouting the grouting opening, so that the top layer structure, the standard layer structure and the adjacent standard layer structures are connected.

Further, jacking device includes a plurality of jacks, and the jacking platform, a plurality of jacks are fixed to be set up in the bottom of jacking platform equidistance in proper order, the jacking platform is used for bearing big modular structure, and a plurality of jacks are located the jacking platform bottom, can follow the bottom to the jacking platform and upwards carry out the jacking.

Further, be equipped with a plurality of positioning base on the jacking platform, a plurality of positioning base are corresponding with top layer post and standard layer post and are equipped with the constant head tank on positioning base, the constant head tank can hold top layer post and standard layer post bottom and insert wherein, can restrict top layer post and standard layer post horizontal direction's removal.

Further, the transportation device comprises a plurality of sliding rails, a movable workbench and a first driving assembly, wherein the movable workbench is arranged on the sliding rails through the first driving assembly, and can drive the movable platform to axially move along the sliding rails through the driving of the first driving assembly.

Further, but slip supporting component includes a plurality of support frames, two slidable crossbeams and second drive assembly, a plurality of support frames are arranged in proper order for but the slidable crossbeam provides the support, two slidable crossbeams respectively mobilizable wear to establish in a plurality of support frames and be connected with second drive assembly, when jacking device descends, drive assembly drive slidable crossbeam remove outwards stretch out and with big modular structure's bottom butt, in order to provide the support to it, when the jacking device lifting, drive assembly drive slidable crossbeam inwards contracts.

Further, the support frame includes two spinal branch daggers, a plurality of supporting beams, two C style of calligraphy connecting pieces, two spinal branch daggers set up relatively and link to each other through a plurality of supporting beams, the open end of two C style of calligraphy connecting pieces respectively with the one end fixed connection of two spinal branch daggers, C style of calligraphy connecting pieces and support column form the ampere-in hole that can supply the slidable crossbeam to insert, are equipped with the roller bearing between ampere-in hole and the slidable crossbeam, and this roller bearing drives the slidable crossbeam and moves for ampere-in hole.

In order to achieve the above object, the construction method of the concrete large module structure bottom layer jacking construction system provided by the invention is used for any one of the above, and comprises the following steps:

s1: carrying the top layer structure to the upper part of the jacking platform through a conveying device, and lifting the jacking platform to enable the top layer structure to be inserted into a plurality of positioning bases on the jacking platform;

s2: lifting the top layer structure to a specified height by a lifting platform;

s3: the connection between the top layer structure and the jacking platform is released, the jacking platform descends, meanwhile, the sliding support component extends out of the bottom of the top layer structure to support the top layer structure, and the jacked top layer structure is restrained by the extending sliding support component;

S4: the standard layer structure is transported to the upper part of the lifting platform through the movable workbench, the movable workbench is manually erected and retracted, and the lifting platform is lifted to enable the lower layer lap joint steel bars of the standard layer structure to be inserted into the sleeve of the top layer structure for grouting connection;

S5: after the connection is completed, the slidable support assembly is retracted, and the jacking platform is lifted to a specified height together with the top layer structure and the standard layer structure which are connected together;

s6: after the movable supporting component is lifted to the designated height, the movable supporting component extends out to the bottom of the standard layer structure to provide temporary support, the lifting platform is lowered, and the movable platform is used for transporting the next layer of standard layer structure to enter the ground;

S7: repeating the steps until the jacking of all standard layer structures is completed;

S8: after the last layer of standard layer structure is installed, the transportation device and the jacking device are removed, the foundation pit in which the jacking device is originally placed is filled, distributed with ribs, poured and reserved with the ribs, and the reserved ribs extend into the sleeve at the bottom of the last layer of standard layer structure to be connected in a grouting mode.

According to the concrete large module structure bottom layer jacking construction system and the construction method, the integrated jacking scheme and jacking equipment are adopted, so that the cooperative jacking of the structure can be conveniently realized, and the jacking maximum load can be flexibly adjusted. The slidable support assembly is adopted, temporary support is provided for the lifted structure from the outside of the structure in the retraction process of the jack, and sufficient space is provided for transportation and installation of the lower layer. And the sleeve grouting connecting node is adopted to provide rigid connection for the adjacent large module structure, and the gap of the sleeve obviously reduces the sensitivity of the connecting node to the processing and jacking precision of the large module structure.

Drawings

The invention is further described below with reference to the drawings and the detailed description.

FIG. 1 is a schematic structural diagram of a concrete large module structure bottom layer jacking construction system provided by the invention;

Fig. 2 is a schematic structural diagram of a top layer structure of a large module structure in a concrete large module structure bottom layer jacking construction system provided by the invention;

FIG. 3 is a schematic structural view of a standard layer structure of a large module structure in a concrete large module structure bottom layer jacking construction system;

fig. 4 is a schematic plan view of a sleeve grouting connection node in the concrete large module structure bottom jacking construction system provided by the invention;

fig. 5 is a schematic diagram of a three-dimensional structure of a sleeve grouting connection node in the concrete large module structure bottom jacking construction system;

FIG. 6 is a schematic structural view of a slidable support assembly in a concrete large module structure bottom jacking construction system provided by the invention;

FIG. 7 is a schematic diagram of a construction method of a concrete large module structure bottom layer jacking construction system in a first step;

FIG. 8 is a schematic diagram of a construction method of a concrete large module structure bottom layer jacking construction system in a second step;

FIG. 9 is a schematic diagram of a third step in the construction method of the concrete large module structure bottom layer jacking construction system provided by the invention;

FIG. 10 is a schematic diagram of a construction method of a concrete large module structure bottom layer jacking construction system in a fourth step;

FIG. 11 is a schematic view of a construction method of a concrete large module structure bottom layer jacking construction system in a fifth step;

Fig. 12 is a schematic structural diagram of a transport assembly in the concrete large module structure bottom layer jacking construction system provided by the invention.

Illustration of:

the large module structure 100, the jacking device 200, the transporting device 300, the slidable supporting assembly 400 and the sleeve grouting connecting node 500;

Top column 111, first top beam 112, second top beam 113, standard layer column 121, standard layer beam 122, jack 210, lifting platform 220, positioning base 230, positioning groove 231, slide rail 310, movable table 320, first driving component 330, motor 331, roller 332, chain 333, support frame 410, support column 411, support beam 412, c-shaped connector 413, roller 414, slidable cross beam 420, second driving component 430, servo actuator 431, conversion beam 432, sleeve 510, grout port 511, exhaust port 512, upper layer lap joint steel bar 520, lower layer lap joint steel bar 530.

Detailed Description

The invention is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the invention easy to understand.

Referring to fig. 1, a schematic structural diagram of a concrete large module structure bottom layer jacking construction system provided by the invention is shown.

As can be seen from the drawings, the concrete large module structure bottom layer jacking construction system provided by the invention comprises four components of a large module structure 100, a jacking device 200, a conveying device 300 and two groups of slidable support assemblies 400.

The transporting device 300 is used for transporting the large module structure 100 to the position above the jacking device 200, the jacking device 200 is used for lifting the large module structure 100 above the large module structure, and two groups of slidable supporting assemblies 400 are symmetrically arranged at two sides of the jacking device 200 respectively;

The large module structure 100 is horizontally divided into a top layer structure 110 and a plurality of standard layer structures 120, and the jacking device 200 sequentially lifts the top layer structure 110 and the plurality of standard layer structures 120 to specified positions and sequentially connects the top layer structure 110 and the plurality of standard layer structures 120 through sleeve grouting connecting nodes 500;

In the lifting process of the lifting device 200, when the lifting device 200 descends, the slidable supporting component 400 extends outwards to the bottom of the lifted structure to provide temporary support for the lifted structure, and when the lifting device 200 ascends, the slidable supporting component 400 retracts.

Further, both the top layer structure 110 and the standard layer structure 120 are pre-cast as one piece at the factory;

as shown in fig. 2, the top layer structure 110 includes a plurality of top layer columns 111, a plurality of first top layer beams 112, and a plurality of second top layer beams 113;

The plurality of top-layer columns 111 are vertically and sequentially distributed at equal intervals to form a rectangular shape, the plurality of first top-layer beams 112 and the plurality of second top-layer beams 113 are respectively and horizontally connected between the top and the bottom of the plurality of top-layer columns 111, the plurality of top-layer columns 111 can be connected, two adjacent first top-layer beams 112 are vertically distributed, and two adjacent second top-layer beams 113 are vertically distributed.

As shown in fig. 3, the standard layer structure 120 includes a plurality of standard layer columns 121 and a plurality of standard layer beams 122, the plurality of standard layer columns 121 correspond to the plurality of top layer columns 111, the plurality of standard layer beams 122 are sequentially and horizontally connected between the plurality of standard layer columns 121 to connect the plurality of standard layer columns 121, and two adjacent standard layer beams 122 are vertically distributed.

In this embodiment, the number of the top layer columns 111, the first top layer beams 112, the second top layer beams 113, the standard layer columns 121 and the standard layer beams 122 is not limited, and may be determined according to practical needs, and in this example, the top layer columns 111 and the standard layer columns 121 preferably adopt six vertical sequentially equidistant to form a rectangular shape, and the first top layer beams 112, the second top layer beams 113 and the standard layer beams 122 preferably adopt seven and two adjacent top layer columns are vertically distributed, so as to connect the six top layer columns 111 and the six standard layer columns 121.

The top layer structure 110 and the standard layer structure 120 of such structure cooperate, and the top of a plurality of standard layer posts 121 respectively dock with the bottom of a plurality of top layer posts 111, and every standard layer post 121 all is connected with every top layer post 111 through sleeve grout connected node 500, also dock in proper order between a plurality of standard layer structures 120 and be connected through sleeve grout connected node 500.

As shown in fig. 4 and 5, the sleeve grouting connection node 500 includes a plurality of sleeves 510, a plurality of upper lap reinforcement bars 520 and a plurality of lower lap reinforcement bars 530;

The bottom of the top column 111 and the bottom of the standard layer column 121 are respectively embedded with a plurality of sleeves 510, the top column 111 is embedded with a plurality of upper layer lap reinforcements 520 corresponding to the plurality of sleeves 510 in the top column 111, the plurality of upper layer lap reinforcements 520 respectively extend into the plurality of sleeves 510 in the top column 111 and are fixedly connected with the plurality of sleeves 510, the standard layer column 121 is embedded with a plurality of lower layer lap reinforcements 530, the plurality of lower layer lap reinforcements 530 correspond to the plurality of sleeves 510 in the standard layer column 121, one end of each lower layer lap reinforcement 530 extends into the sleeve 510 in the standard layer column 121, and the other end of each lower layer lap reinforcement extends out from the inside of the standard layer column 121 to the outside;

the top of the standard layer column 121 is in contact butt joint with the bottom of the top layer column 111, and a plurality of lower layer lap reinforcements 530 in the standard layer column 121 are respectively inserted into a plurality of sleeves 510 in the top layer column and are intersected with a plurality of upper layer lap reinforcements 520;

The extending ends of the lower layer lap reinforcements 530 in the standard layer columns 121 positioned at the bottom extend into the sleeve 510 in the other standard layer column 121 and are intersected with the lower layer lap reinforcements 530 in the sleeve 510 through the contact butt joint of the two adjacent standard layer columns 121;

The sleeve 510 is provided with a grouting opening 511 and an air outlet 512, the grouting opening 511 and the air outlet 512 extend from the inside of the top layer column 111 and the inside of the standard layer column 121 to the outside, and steel bars meeting in the sleeve 510 can be poured and bonded together by grouting the grouting opening 511, so that the connection between the top layer structure 110 and the standard layer structure 120 and the connection between adjacent standard layer structures 120 are realized.

In actual manufacturing, the upper layer lap reinforcement 520 and the sleeve 510 are welded together in advance, and when the top layer structure 110 is poured, the welded upper layer lap reinforcement 520 and sleeve 510 are placed on a template at the column end of the top layer column 111, and then the top layer structure is integrally poured, so that the pre-burying of the upper layer lap reinforcement 520 and the sleeve 510 can be realized; when the standard layer structure 120 is poured, the lower layer lap reinforcement 530 and the sleeve 510 are welded together in advance and are placed at the column end of the standard layer column 121, one end of the lower layer lap reinforcement 530 extends out of the standard layer column 121 and reserves a reserved length of half the sleeve height, and then the standard layer structure 120 is integrally poured, so that the lower layer lap reinforcement 530 and the sleeve 510 can be embedded in the standard layer column 121; the grout hole and the vent hole are welded on the sleeve 510 in advance, and the grout hole and the vent hole are ensured to be higher than the top column 111 and the standard layer column 121 after the structure pouring is completed.

According to the scheme, the sleeve grouting connecting node 500 is adopted, rigid connection is provided for the adjacent large module structure, and the sensitivity of the connecting node to the processing and jacking precision of the large module structure is obviously reduced by the sleeve gap.

The jacking device 200 is arranged adjacent to the conveying device 300, and the jacking device 200 and the conveying device 300 are matched, so that the large module structure 100 is conveyed to the jacking device 200 by the conveying device 300 to perform jacking installation operation.

Specifically, as shown in fig. 1, the jacking device 200 adopts an integrated jacking platform, and comprises a plurality of jacks 210 and a jacking platform 220, wherein the plurality of jacks 210 are sequentially and fixedly arranged at the bottom of the jacking platform 220 at equal intervals, the jacking platform 220 is used for bearing the large module structure 100, the plurality of jacks 210 are positioned at the bottom of the jacking platform 220, and the jacking platform 220 can be jacked upwards from the bottom, so that the large module structure 100 is driven to follow the jacking.

Further, in order to improve the reliability of the jacking construction system, the jacking platform 220 is provided with a plurality of positioning bases 230, the plurality of positioning bases 230 correspond to the top column 111 and the standard layer column 121, and the positioning bases 230 are provided with positioning grooves 231, so that the bottoms of the top column 111 and the standard layer column 121 can be inserted therein, and the horizontal movement of the top column 111 and the standard layer column 121 can be limited.

According to the scheme, the plurality of positioning bases 230 are arranged on the jacking platform 220, the number of the positioning bases 230 is equal, the distribution positions are corresponding to the top column 111 and the standard layer column 121, and before the jacking device 200 is jacked, the bottoms of the top column 111 and the standard layer column 121 are inserted into the positioning grooves 231 in the positioning bases 230, so that the large module structure 100 and the jacking platform 220 are guaranteed to cooperatively lift, and the reliability in practical application is improved.

As shown in fig. 12, the transporting device 300 includes a plurality of sliding rails 310, a movable platform 320 and a first driving assembly 330, wherein the movable platform 320 is disposed on the plurality of sliding rails 310 through the first driving assembly 330, and the movable platform 320 can be driven to axially move along the sliding rails 310 by the driving of the first driving assembly 330.

The structure of the first driving assembly 330 is not limited, and the first driving assembly is set according to practical requirements, and as an example, the present embodiment preferably adopts a motor 331, a roller 332 and a chain 333, wherein the sliding rail 310 is provided with a plurality of rollers 332, the chain 333 is wound on the plurality of rollers 332 and connected with the movable platform 320, the motor 331 is disposed between the adjacent sliding rails 310 and connected with the rollers 332, and the driving of the motor 331 drives the rollers 332 to rotate, thereby driving the chain 333 thereon to move and further driving the movable platform 320 to move.

Compared with the prior art, the lifting jack has the advantages that the lifting jack is not provided with auxiliary structures such as temporary supports and the like, so that on-site installation, positioning and collaborative loading are difficult, the sliding support assembly 400 is arranged, temporary supports are provided for the lifted structure from the outside of the structure in the retraction process of the lifting jack 210 through the sliding support assembly 400, and sufficient space is provided for transportation and installation of the lower layer.

As shown in fig. 6, the slidable supporting assembly 400 includes a plurality of supporting frames 410, two slidable beams 420 and a second driving assembly 430, the plurality of supporting frames 410 are sequentially arranged to provide support for the slidable beams 420, the two slidable beams 420 are respectively movably inserted into the plurality of supporting frames 410 and connected with the second driving assembly 430, when the jacking device 200 descends, the driving assembly 430 drives the slidable beams 420 to move and extend outwards and abut against the bottom of the large module structure 100 to provide support for the same, and when the jacking device 200 ascends, the driving assembly 430 drives the slidable beams 420 to retract inwards so as not to affect the lifting of the jacking device 200.

Specifically, as an example, the support frame 410 includes two support columns 411, a plurality of support beams 412, two c-shaped connecting members 413, where the two support columns 411 are oppositely disposed and connected by the plurality of support beams 412, the open ends of the two c-shaped connecting members 413 are fixedly connected with one ends of the two support columns 411 respectively, the c-shaped connecting members 413 and the support columns 411 form an insertion hole into which the slidable cross beam 420 can be inserted, and a roller 414 is disposed between the insertion hole and the slidable cross beam 420, and the roller 414 drives the slidable cross beam 420 to move relative to the insertion hole.

The structure of the second driving assembly 430 is not limited in this embodiment, and may be determined according to practical needs, for example, a hydraulic servo actuator 431 is preferably used in this embodiment, where the hydraulic servo actuator 431 is hinged to two slidable beams 430 through a conversion beam 432, and the hydraulic servo actuator 431 is used as a driving source for moving the slidable beams 430.

In practical application, firstly, the top layer structure 110 of the large module structure 100 is arranged on the movable workbench 320, the movable workbench 320 drives the top layer structure 110 to move towards the jacking platform 220, after moving to the top of the jacking platform 220, the top layer structure 110 is manually erected, then the jacking platform 220 is lifted upwards, the bottoms of the plurality of top layer columns 111 of the top layer structure 110 are arranged in the plurality of positioning bases 230 on the jacking platform 220, the plurality of jacks 210 drive the jacking platform 220 to lift upwards to a designated position, and the slidable cross beams 420 of the two groups of slidable support assemblies 400 extend outwards to the bottom of the jacking platform 110 while the jacking platform 220 descends, so that temporary support is provided for the lifted top layer structure 110;

The lifting platform 220 descends, the standard layer structure 120 is placed on the movable workbench 320, the standard layer structure 120 is driven to be above the lifting platform 220 by the movable workbench 320, the standard layer structure 120 is manually erected and the movable workbench 320 returns, then the lifting platform 220 is lifted upwards, a plurality of positioning bases 230 on the lifting platform 220 are spliced with the bottom of the standard layer structure 120, the lifting upwards is continued to enable the top of the standard layer structure 120 to be in butt joint with the bottom of the top layer structure 110, and a plurality of standard layer columns 121 of the standard layer 120 are fixedly connected with a plurality of top layer columns 111 of the top layer structure 110 through sleeve grouting connection nodes 500;

After the fixed connection is completed, the lifting platform 220 is driven by the plurality of jacks 210 to continuously lift upwards, and at the moment, the slidable cross beams 420 of the two groups of slidable support assemblies 400 retract simultaneously, so that the top layer structure 110 and the standard layer structure 120 which are connected together are lifted to a designated position;

and (3) repeating the steps of jacking the rest standard layer structures 120 in sequence, and dismantling the transportation device 300 and the jacking device 200 after all the standard layer structures 120 are jacked and installed, filling, distributing and pouring foundation pits in which the jacking device 200 is originally placed, and reserving reinforcing bars, wherein the reserved reinforcing bars extend into the sleeve 310 at the bottom of the last standard layer structure 120 to be connected in a grouting manner.

Aiming at the concrete large module structure bottom layer jacking construction system provided in the example, the example further provides a corresponding construction scheme.

The first step: carrying the top layer structure 110 to above the jacking platform 220 by the transportation device 300, and lifting the jacking platform 220 to insert the top layer structure 110 into a plurality of positioning bases 230 on the jacking platform 220;

and a second step of: the jacking platform 220 lifts the top-level structure 110 to a specified height;

And a third step of: the connection between the top layer structure 110 and the jacking platform 220 is released, the jacking platform 220 descends, meanwhile, the sliding support assembly 400 extends out of the bottom of the top layer structure 110 to support the top layer structure 110, and the jacked top layer structure 110 is restrained by the extending sliding support assembly 400;

Fourth step: the standard layer structure 120 is transported above the lifting platform 220 by the movable workbench 320, the standard layer structure 120 is manually erected and the movable workbench 320 is retracted, and the lifting platform 220 is lifted to enable the lower layer lap joint steel bars 530 of the standard layer structure 120 to be inserted into the sleeve 510 of the top layer structure 110 for grouting connection;

fifth step: after the connection is completed, the slidable support assembly 400 is retracted and the jacking platform 220 is lifted to a designated height with the top layer structure 110 and the standard layer structure 120 connected together;

Sixth step: after being lifted to a specified height, the slidable support assembly 400 extends to the bottom of the standard layer structure 120 to provide temporary support, the lifting platform 220 is lowered, and the next standard layer structure 120 is transported to approach through the movable platform 320;

Seventh step: repeating the above steps until all the standard layer structures 120 are lifted;

Eighth step: after the final standard layer structure 120 is installed, the transportation device 300 and the jacking device 200 are removed, the foundation pit in which the jacking device 200 is originally placed is filled, reinforced and poured, and the reinforced bars are reserved, and the reserved reinforced bars extend into the sleeve 310 at the bottom of the final standard layer structure 120 to be connected in a grouting mode.

Due to the adoption of the technical scheme, compared with the prior art, the technical scheme adopts an integrated jacking scheme and jacking equipment, so that the cooperative jacking of the structure can be conveniently realized, and the jacking maximum load can be flexibly adjusted. The use of the slidable support assembly 400 provides temporary support for the lifted structure from the exterior of the structure during retraction of the jack 210, providing sufficient space for transportation and installation of the underlying layers. The use of sleeve grout connection node 500 provides a rigid connection for adjacent large module structures 100, and the clearance of sleeve 510 significantly reduces the sensitivity of the connection node to large module structure machining and jacking accuracy.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (9)

1. The utility model provides a concrete large module structure bottom jacking construction system, its characterized in that includes large module structure, jacking device, conveyer, two sets of slidable supporting component, conveyer is used for carrying large module structure to jacking device top, jacking device is used for the lifting of the large module structure of its top, two sets of slidable supporting component symmetry set up respectively in jacking device both sides, large module structure horizontal division becomes top layer structure and a plurality of layer standard layer structure, jacking device is in proper order with top layer structure and a plurality of layer standard layer structure lifting to the assigned position and connect through sleeve grout connected node in proper order, in the lifting process of jacking device, when the jacking device descends, slidable supporting component outwards stretches out the bottom of having jacked the structure, for having jacked the structure provides temporary support, when jacking device upwards lifts, slidable supporting component retracts.

2. The concrete large module structure bottom layer jacking construction system according to claim 1, wherein the top layer structure comprises a plurality of top layer columns, a plurality of first top layer beams and a plurality of second top layer beams;

the plurality of top layer columns are vertically and sequentially distributed at equal intervals to form a rectangular shape, the plurality of first top layer beams and the plurality of second top layer beams are respectively and horizontally connected between the top and the bottom of the plurality of top layer columns, the plurality of top layer columns can be connected, two adjacent first top layer beams are vertically distributed, and two adjacent second top layer beams are vertically distributed;

The standard layer structure comprises a plurality of standard layer columns and a plurality of standard layer beams, the standard layer columns correspond to the top layer columns, the standard layer beams are sequentially and horizontally connected between the standard layer columns so as to connect the standard layer columns, and two adjacent standard layer beams are vertically distributed.

3. The concrete large module structure bottom jacking construction system according to claim 2, wherein the sleeve grouting connection nodes comprise a plurality of sleeves and a plurality of upper layer lap joint steel bars, and a plurality of lower layer lap joint steel bars;

The bottom of the top layer column and the bottom of the standard layer column are respectively embedded with a plurality of sleeves, the top layer column is embedded with a plurality of upper layer lap joint bars which correspond to a plurality of sleeves in the top layer column, the upper layer lap joint bars respectively extend into a plurality of sleeves in the top layer column and are fixedly connected with the sleeves, the standard layer column is embedded with a plurality of lower layer lap joint bars which correspond to a plurality of sleeves in the standard layer column, one end of each lower layer lap joint bar extends into a sleeve in the standard layer column, the other end of each lower layer lap joint bar extends out from the inside of the standard layer column to the outside,

The top of the standard layer column is in contact butt joint with the bottom of the top layer column, and a plurality of lower layer lap joint steel bars in the standard layer column are respectively inserted into a plurality of sleeves in the top layer column and are intersected with a plurality of upper layer lap joint steel bars;

The extending ends of the lower layer lap joint steel bars in the standard layer columns at the bottom extend into the sleeve in the other standard layer column and are intersected with the lower layer lap joint steel bars in the sleeve through contact butt joint of the two adjacent standard layer columns;

The sleeve is provided with a grouting opening and an exhaust opening, the grouting opening and the exhaust opening extend to the outside from the inside of the top layer column and the inside of the standard layer column, and steel bars which are intersected in the sleeve can be poured and bonded together through grouting the grouting opening, so that the top layer structure, the standard layer structure and the adjacent standard layer structures are connected.

4. The concrete large module structure bottom layer jacking construction system according to claim 1, wherein the jacking device comprises a plurality of jacks and a jacking platform, the jacks are sequentially and fixedly arranged at the bottom of the jacking platform at equal intervals, the jacking platform is used for bearing the large module structure, the jacks are located at the bottom of the jacking platform, and the jacking platform can be jacked up from the bottom.

5. The concrete large module structure bottom jacking construction system according to claim 4, wherein the jacking platform is provided with a plurality of positioning bases, the positioning bases correspond to the top layer column and the standard layer column, and positioning grooves are formed in the positioning bases, and can accommodate the top layer column and the bottom of the standard layer column to be inserted therein, so that the horizontal movement of the top layer column and the standard layer column can be limited.

6. The concrete large module structure bottom jacking construction system according to claim 1, wherein the transportation device comprises a plurality of sliding rails, a movable workbench and a first driving assembly, the movable workbench is arranged on the sliding rails through the first driving assembly, and the movable workbench can be driven to axially move along the sliding rails through the driving of the first driving assembly.

7. The concrete large module structure bottom layer jacking construction system according to claim 1, wherein the slidable supporting component comprises a plurality of supporting frames, two slidable beams and a second driving component, the supporting frames are sequentially arranged and used for providing support for the slidable beams, the two slidable beams are respectively movably arranged in the supporting frames in a penetrating mode and connected with the second driving component, when the jacking device descends, the driving component drives the slidable beams to move and extend outwards and abut against the bottom of the large module structure so as to provide support for the large module structure, and when the jacking device ascends, the driving component drives the slidable beams to retract inwards.

8. The concrete large module structure bottom jacking construction system according to claim 7, wherein the support frame comprises two support columns, a plurality of support beams and two c-shaped connecting pieces, the two support columns are oppositely arranged and are connected through the plurality of support beams, the open ends of the two c-shaped connecting pieces are fixedly connected with one ends of the two support columns respectively, the c-shaped connecting pieces and the support columns form an inserting hole for inserting a slidable cross beam, and a rolling shaft is arranged between the inserting hole and the slidable cross beam and drives the slidable cross beam to move relative to the inserting hole.

9. The construction method of the concrete large module structure bottom layer jacking construction system is characterized by comprising the following steps of:

s1: carrying the top layer structure to the upper part of the jacking platform through a conveying device, and lifting the jacking platform to enable the top layer structure to be inserted into a plurality of positioning bases on the jacking platform;

s2: lifting the top layer structure to a specified height by a lifting platform;

s3: the connection between the top layer structure and the jacking platform is released, the jacking platform descends, meanwhile, the sliding support component extends out of the bottom of the top layer structure to support the top layer structure, and the jacked top layer structure is restrained by the extending sliding support component;

S4: the standard layer structure is transported to the upper part of the lifting platform through the movable workbench, the movable workbench is manually erected and retracted, and the lifting platform is lifted to enable the lower layer lap joint steel bars of the standard layer structure to be inserted into the sleeve of the top layer structure for grouting connection;

S5: after the connection is completed, the slidable support assembly is retracted, and the jacking platform is lifted to a specified height together with the top layer structure and the standard layer structure which are connected together;

s6: after the movable supporting component is lifted to the designated height, the movable supporting component extends out to the bottom of the standard layer structure to provide temporary support, the lifting platform is lowered, and the movable platform is used for transporting the next layer of standard layer structure to enter the ground;

S7: repeating the steps until the jacking of all standard layer structures is completed;

S8: after the last layer of standard layer structure is installed, the transportation device and the jacking device are removed, the foundation pit in which the jacking device is originally placed is filled, distributed with ribs, poured and reserved with the ribs, and the reserved ribs extend into the sleeve at the bottom of the last layer of standard layer structure to be connected in a grouting mode.