阅读说明：本技术 一种建筑物施工方法 (Building construction method ) 是由 张海亮 宋技 杨东雷 张奉超 刘晨光 冯小朋 马安平 余传波 于 2021-08-02 设计创作，主要内容包括：本申请涉及一种建筑物施工方法,涉及桁架施工的领域,其包括以下步骤：S1：搭建桁架组：准备横向支撑梁和横向跨接梁；将横向跨接梁搭接于横向支撑梁上,将横向跨接梁与横向支撑梁固定；S2：第一个桁架组就位：采用抬升设备将第一个桁架组向上驱动至所需高度；由立柱对横向支撑梁起支撑作用；撤离抬升设备；S3：下一个桁架组就位：采用抬升设备将下一个桁架组向上驱动至所需高度；将驱动至所需的位置的桁架组与前一个桁架组固定；将立柱插入横向支撑梁下方；撤离抬升设备；S4：重复S3,直至将桁架组搭接完成；S5：施工：在地面进行底层作业施工；在桁架上方进行上层作业施工。本申请具有缩短工期的效果。(The application relates to a building construction method, relates to the field of truss construction, and comprises the following steps: s1: constructing a truss group: preparing a transverse supporting beam and a transverse bridging beam; overlapping the transverse bridging beam on the transverse supporting beam, and fixing the transverse bridging beam and the transverse supporting beam; s2: the first truss group is in place: driving the first truss group upwards to a required height by adopting lifting equipment; the upright posts support the transverse supporting beams; withdrawing the lifting device; s3: the next truss group is in place: driving the next truss group upwards to the required height by adopting lifting equipment; fixing the truss group driven to the required position with the previous truss group; inserting the upright column below the transverse support beam; withdrawing the lifting device; s4: repeating the step S3 until the truss group is lapped; s5: construction: carrying out bottom layer operation construction on the ground; and carrying out upper layer operation construction above the truss. The method has the effect of shortening the construction period.)

1. A building construction method is characterized in that: the method comprises the following steps:

s1: constructing a truss group:

preparing a plurality of transverse supporting beams (21) and a plurality of transverse bridging beams (22);

overlapping the transverse bridging beams (22) on the plurality of transverse supporting beams (21), and fixing the transverse bridging beams (22) and the transverse supporting beams (21);

s2: the first truss group is in place:

driving the first truss group upwards to a required height by adopting lifting equipment;

inserting the upright post (6) below the transverse supporting beam (21), and supporting the transverse supporting beam (21) by the upright post (6);

s3: the next truss group is in place:

driving the next truss group upwards to the required height by adopting lifting equipment;

fixing the truss group driven to the required height with the previous truss group;

inserting the upright post (6) below the transverse supporting beam (21), and supporting the transverse supporting beam (21) by the upright post (6);

withdrawing the lifting device;

s4: repeating the step S3 until the truss group is lapped;

s5: construction:

bottom layer operation and construction:

carrying out bottom layer operation construction on the ground;

construction of upper layer operation:

and carrying out upper layer operation construction above the truss.

2. A building construction method according to claim 1, characterized in that: the S1 further includes the steps of:

building auxiliary equipment for upper layer operation:

paving a cushion layer (23) on the transverse cross-over beam (22);

erecting a formwork support frame (24) on the transverse cross-over beam (22);

and (3) building a concrete pouring template (25) on the template support frame (24) to form a concrete pouring mold cavity.

3. A building construction method according to claim 1, characterized in that:

the upper layer operation construction comprises the following steps:

pouring concrete into the concrete pouring template (25) to form a top floor;

and (5) installing pipelines and keels.

4. A building construction method according to claim 1, characterized in that: further comprising the steps of:

s6: dismantling operation:

dismantling operation:

the lifting device is in place and supports the transverse supporting beam (21);

dismantling the fixed relation between the truss group to be dismantled and the adjacent truss group;

removing the upright (6);

the lifting equipment drives the transverse supporting beam (21) to move downwards;

removing the lifting device;

s7: s6 is repeated until all truss groups have been removed.

5. A building construction method according to claim 1, characterized in that: the stand (6) comprises a first supporting section (61) and a second supporting section (62), the second supporting section (62) is located at one end, away from the transverse supporting beam (21), of the first supporting section (61), and the second supporting section (62) is detachably connected with the first supporting section (61).

6. A building construction method according to claim 1, characterized in that: the transverse cross-over beams (22) comprise main beams (221) and bridging beams (222), the transverse cross-over beams (22) are distributed at intervals along the length direction of the main beams (221), one end of each bridging beam (222) is hinged with any one main beam (221), and the other end of each bridging beam is detachably connected with the other main beam (221).

7. A building construction method according to claim 4, characterized in that: the S6 further includes the steps of:

placing a plurality of supporting devices for supporting the truss groups on the ground;

the supporting device comprises a supporting component (3), the supporting component (3) comprises a box body (81) and a plurality of caster wheels (83), and the caster wheels (83) are rotatably connected with the box body (81).

8. A building construction method according to claims 1-7, characterized in that: the supporting device further comprises a rotating assembly (9), the rotating assembly (9) comprises a lifting plate (92), a first driving cylinder (91), a rotary table (93), a first motor (43) and a clamping piece (95), the lifting plate (92) is connected with the box body (81) in a sliding mode along the vertical direction, the first driving cylinder (91) is used for driving the lifting plate (92) to move, the rotary table (93) is connected with the lifting plate (92) in a rotating mode, the third motor (94) drives the rotary table (93) to rotate, the clamping piece (95) is arranged on the rotary table (93), and the clamping piece (95) is used for clamping the transverse bridging beam (22).

9. A building construction method according to any one of claim 8, wherein: the lifting device comprises a plurality of lifting drive assemblies (5), and the lifting drive assemblies (5) are used for driving the transverse supporting beams (21) to move up and down.

10. A building construction method according to claim 9, characterized in that:

the lifting equipment further comprises a supporting component (3) and a retracting component (4), the supporting component (3) comprises a plurality of supporting plates (31) and a plurality of supporting pieces (32), the supporting plates (31) are arranged in an enclosing mode to form a regular N-edge-shaped frame, and N is larger than or equal to 4;

every two adjacent supporting plates (31) are connected in a sliding mode through a supporting piece (32), a sliding groove (321) is formed in the side wall, close to the supporting plate (31), of each supporting piece (32), and the two side walls of each supporting plate (31) are connected in one sliding groove (321) in a sliding mode;

the retraction assembly (4) comprises a connecting seat (41), a rotating block (42), a first motor (43), a plurality of driving blocks (44) and a plurality of connecting rods (45); turning block (42) rotate to be connected in connecting seat (41) lateral wall, and first motor (43) are used for the drive turning block (42) rotate, driving block (44) and turning block (42) rigid coupling, and 4 driving block (44) along the rotation circumference equipartition of turning block (42), and the one end that turning block (42) were kept away from in driving block (44) is the wedge face, and the wedge face is close to the one side slope of turning block (42) axis along the circumference orientation of turning block (42), and connecting rod (45) one end is respectively with a backup pad (31) fixed connection along the incline direction and the wedge face sliding connection of wedge face, the other end of wedge face, and lifting drive assembly (5) are located on backup pad (31).

Technical Field

The application relates to the field of truss construction, in particular to a building construction method.

Background

The top of the building of the subway vehicle section has the characteristics of high floor height and large span, and for the top of part of the factory buildings, the characteristics of high floor height and large span are sometimes required; for a building with large span and high height, when a top surface is constructed, a plurality of vertical reinforced concrete columns are poured on the ground at first, and then the top surface is poured among the reinforced concrete columns; before the top surface is poured, a formwork support system is firstly built on the ground, a formwork system is built on the formwork support system, and after the formwork system is built, concrete is poured, so that the top surface of each layer of the house is formed.

In the related technology, the formwork support system comprises a plurality of transverse steel pipes and a plurality of longitudinal steel pipes, wherein the transverse steel pipes are horizontally arranged, the longitudinal steel pipes are vertically arranged, the longitudinal steel pipes are fixedly connected with the ground through foundation bolts, the transverse steel pipes and the longitudinal steel pipes are distributed in a crossed mode, and the transverse steel pipes and the longitudinal steel pipes are bound through binding wires, so that the formwork support system is formed; and after the formwork support system is built, the formwork system is built on the formwork support system, and the top surface is poured after the formwork support system is built.

In view of the above-mentioned related art, the inventor has considered that when the construction of the ground is required, the construction is required after the formwork system and the formwork support system are removed, and there is a drawback that the construction period is lengthened.

Disclosure of Invention

In order to shorten the construction period, the application provides a building construction method.

The building construction method provided by the application adopts the following technical scheme:

a building construction method comprising the steps of:

s1: constructing a truss group:

preparing a plurality of transverse supporting beams and a plurality of transverse bridging beams;

overlapping the transverse bridging beams on the plurality of transverse supporting beams, and fixing the transverse bridging beams and the transverse supporting beams;

s2: the first truss group is in place:

driving the first truss group upwards to a required height by adopting lifting equipment;

inserting the upright column below the transverse support beam, and supporting the transverse support beam by the upright column;

s3: the next truss group is in place:

driving the next truss group upwards to the required height by adopting lifting equipment;

fixing the truss group driven to the required height with the previous truss group;

inserting the upright column below the transverse support beam, and supporting the transverse support beam by the upright column;

withdrawing the lifting device;

s4: repeating the step S3 until the truss group is lapped;

s5: construction:

bottom layer operation and construction:

carrying out bottom layer operation construction on the ground;

construction of upper layer operation:

and carrying out upper layer operation construction above the truss.

By adopting the technical scheme, during construction, a plurality of transverse supporting beams are horizontally arranged side by side, and the transverse cross-over beam is lapped on the top walls of the plurality of transverse supporting beams, so that the transverse cross-over beam is supported by the transverse supporting beams, and then the transverse cross-over beam and the transverse supporting beams are fixed, so that the transverse supporting beams and the transverse cross-over beam form a truss group;

then, the first truss group is driven to the required height by the jacking assembly, the upright post is supported below the transverse supporting beam, the bearing point of the transverse supporting beam is transferred to the upright post by the lifting equipment, and the upright post plays a role in supporting the transverse supporting beam; then, driving the next truss group to a required height by using lifting equipment, fixing the truss group driven to the required position with the previous truss group, and transferring the bearing points of the transverse supporting beams after fixing the two adjacent truss groups; the mode of fixing two adjacent truss groups and then transferring the bearing points can reduce the deviation of the truss groups in the process of transferring the supporting points, improve the working efficiency of personnel and shorten the working period; after all the truss groups are lifted, personnel respectively carry out operation construction on the ground below the transverse cross-over beam and carry out construction on the top above the transverse cross-over beam, and the two steps can be carried out simultaneously, so that the construction period is effectively shortened; moreover, the erection mode of the truss group is as follows: the truss group is fixed and then is removed from the lifting equipment, so that the lifting equipment cannot obstruct the ground or the space above the transverse cross-over beam, and further, the personnel can conveniently carry out construction operation, thereby shortening the construction period.

Optionally, the S1 further includes the following steps:

building auxiliary equipment for upper layer operation:

laying a cushion layer on the transverse bridging beam;

erecting a formwork support frame on the transverse bridging beam;

and building a concrete pouring template on the template support frame to form a concrete pouring mold cavity.

By adopting the technical scheme, after the transverse bridging beam is fixedly connected to the transverse supporting beam, a cushion layer is laid on the transverse bridging beam so as to facilitate the walking of personnel, and then a formwork support frame and a concrete pouring formwork are erected; before the truss group is lifted, the operations of laying a cushion layer, erecting a formwork support frame and a concrete pouring formwork are carried out, wherein the operations are carried out on the ground, and the operation has higher safety; in addition, since the lifting, fixing and the like of the former truss group require time, the operations of laying the cushion layer, erecting the formwork support frame and the concrete pouring formwork can be performed simultaneously by using the time, and the construction period is further shortened.

Optionally, the upper layer operation construction includes the following steps:

pouring concrete into the concrete pouring template to form a top floor;

and (5) installing pipelines and keels.

By adopting the technical scheme, concrete is poured in the concrete pouring mold cavity, a top floor is formed after the concrete is finally set, at the moment, the construction on the ground is in progress, personnel stand on the cushion layer to carry out upper layer operation construction, namely, pipelines and keels are arranged on the bottom wall of the top floor, the pipelines are used for subsequent ventilation, wiring, water flowing and the like, and the keels are used for installing suspended ceilings of later-period decoration companies; in the construction stage, the pipelines, the keels and the like are installed and then delivered; in the operation process, the supporting effect of the truss group on the formwork supporting frame is utilized to carry out the construction of the pipeline and the keel, the follow-up personnel are not required to set up the frame again for the personnel to carry out the construction, and the construction period is effectively shortened.

Optionally, the method further comprises the following steps:

s6: dismantling operation:

dismantling operation:

the lifting equipment is in place and supports the transverse supporting beam;

dismantling the fixed relation between the truss group to be dismantled and the adjacent truss group;

removing the upright post;

the lifting equipment drives the transverse supporting beam to move downwards;

removing the lifting device;

s7: s6 is repeated until all truss groups have been removed.

Through adopting above-mentioned technical scheme, when demolising truss group, at first support a supporting beam by the lifting equipment to make lifting equipment and stand simultaneously to the horizontal supporting beam load, at this moment, personnel can select following any kind of operation mode according to actual need:

the first method is as follows: firstly, dismantling the fixed relation of adjacent truss groups, and then removing the upright columns;

the second method comprises the following steps: firstly, removing the upright columns, and then dismantling the fixed relation of the adjacent truss groups;

the third method comprises the following steps: the fixed relation between the upright post removal and the adjacent truss group dismantling is carried out simultaneously, namely two groups of personnel carry out one group of operation simultaneously, and the operation period can be shortened;

and after the upright columns are removed and the fixed relation between the adjacent truss groups is released, the lifting equipment drives the transverse supporting beams to move downwards to the required positions and then is removed.

Optionally, the stand includes first support section and second support section, the second support section is located first support section is kept away from transverse supporting beam's one end, the second support section with first support section can dismantle the connection.

Through adopting above-mentioned technical scheme, when carrying out lower floor's operation construction, need carry out various operations of laying to ground, and the stand has the supporting role to horizontal supporting beam this moment, consequently support section and second with first support section split and be connected, can make when follow-up needs demolish the stand, support section and second with first support section split, support the section with the second and directly bury underground in laying in the material on ground, and first support section is still used repeatedly after demolising, therefore, play the supporting role in the stand, need not to move the stand because the material that needs lay ground, therefore can realize the synchronous construction of upper and lower floor, can shorten construction period.

Optionally, the transverse bridging beams include main beams and bridging beams, the transverse bridging beams are distributed at intervals along the length direction of the main beams, one end of each bridging beam is hinged to any one main beam, and the other end of each bridging beam is detachably connected to the other main beam.

By adopting the technical scheme, in some buildings with higher requirements on bearing capacity, a horizontally arranged waist beam may be built between two adjacent reinforced concrete columns, so that the two adjacent reinforced concrete columns are further reinforced; therefore, in order to avoid the waist beam in the process of driving the truss group up and down, the transverse cross-over beam is in a mode of hinging the lap-over beam at the end part of the main beam, and the lap-over beam is rotated to one side of the main beam hinged with the lap-over beam in the process of ascending or descending the truss group, so that a space for the waist beam to pass through can be formed between two adjacent main beams; therefore, this method can improve versatility.

Optionally, the S6 further includes the following steps:

placing a plurality of supporting devices for supporting the truss groups on the ground;

the supporting device comprises a supporting assembly, the supporting assembly comprises a box body and a plurality of trundles, and the trundles are rotatably connected with the box body.

By adopting the technical scheme, as the ground bottom facilities are probably built when the truss group is descended, in order to reduce the damage to the bottom facilities caused by the truss group placed on the bottom facilities, the box body is pushed to the position below the truss group to be descended when the truss group is descended, and the truss group can be erected on the box body in the descending process, thereby reducing the damage to the ground bottom facilities caused by the truss group; in addition, the caster wheels are arranged, so that the box body can be moved to different positions conveniently, the operation efficiency can be improved, and the operation period can be shortened to a certain extent.

Optionally, the supporting device further includes a rotating assembly, the rotating assembly includes a lifting plate, a driving cylinder, a turntable, a first motor and a clamping member, the lifting plate is vertically slidably connected to the box body, the driving cylinder is used for driving the lifting plate to move, the turntable is rotatably connected to the lifting plate, the third motor drives the turntable to rotate, the clamping member is arranged on the turntable, and the clamping member is used for clamping the transverse bridging beam.

By adopting the technical scheme, in the engineering of the subway train section, a plurality of tracks for trains to run are built on the ground side by side, the tracks are supported by a plurality of concrete blocks poured on the ground, and an operation gap is reserved between every two adjacent tracks for people to run; therefore, when the device is used, the supporting device is placed at the operation gap, when the truss group descends, the truss group is erected on the rotary table, the transverse cross-over beam is clamped by the clamping piece, after the transverse cross-over beam and the transverse supporting beam are dismantled, the rotary table is driven to rotate by the third motor, the rotary table drives the clamping piece and the transverse cross-over beam to rotate, the transverse supporting beam is rotated to the operation gap from the upper side of the track, personnel can move the transverse cross-over beam to other places, the personnel can operate conveniently, and the construction period can be further shortened.

Optionally, the lifting device comprises a plurality of lifting drive assemblies for driving the transverse support beams to move up and down.

Through adopting above-mentioned technical scheme, drive horizontal supporting beam up-and-down motion by the lifting drive assembly, and establish the lifting drive assembly into a plurality ofly, can be convenient for with horizontal supporting beam lifting.

Optionally, the lifting device further comprises a supporting assembly (3) and a retracting assembly (4), the supporting assembly (3) comprises a plurality of supporting plates (31) and a plurality of supporting pieces (32), the plurality of supporting plates (31) are arranged in an enclosing manner to form a regular N-shaped frame, and N is greater than or equal to 4;

every two adjacent supporting plates (31) are connected in a sliding mode through a supporting piece (32), a sliding groove (321) is formed in the side wall, close to the supporting plate (31), of each supporting piece (32), and the two side walls of each supporting plate (31) are connected in one sliding groove (321) in a sliding mode;

the retraction assembly (4) comprises a connecting seat (41), a rotating block (42), a first motor (43), a plurality of driving blocks (44) and a plurality of connecting rods (45); turning block (42) rotate to be connected in connecting seat (41) lateral wall, and first motor (43) are used for the drive turning block (42) rotate, driving block (44) and turning block (42) rigid coupling, and 4 driving block (44) along the rotation circumference equipartition of turning block (42), and the one end that turning block (42) were kept away from in driving block (44) is the wedge face, and the wedge face is close to the one side slope of turning block (42) axis along the circumference orientation of turning block (42), and connecting rod (45) one end is respectively with a backup pad (31) fixed connection along the incline direction and the wedge face sliding connection of wedge face, the other end of wedge face, and lifting drive assembly (5) are located on backup pad (31).

By adopting the technical scheme, the first motor drives the rotating block to rotate, the rotating block drives the driving block to move, the wedge-shaped surface pushes the connecting rod to slide in the moving process of the driving block, and the connecting rod drives the supporting plate to move when sliding; through setting up supporting component and receive and release the subassembly, be convenient for adjust lifting drive assembly's height.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the mode of simultaneous construction of the upper layer and the lower layer has the effect of shortening working hours;

2. the upright post is detachable, so that the effect of shortening working hours is achieved;

3. the pier stud can be reduced and damaged by arranging the supporting component and the rotating component.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic structural view of a transverse cross-over beam in an embodiment of the present application;

FIG. 3 is a schematic structural view of a support assembly in an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a retraction assembly in an embodiment of the present application;

FIG. 5 is a schematic diagram of the structure of a lift drive assembly and mast according to an embodiment of the present application;

FIG. 6 is a schematic structural view of an adjustment assembly in an embodiment of the present application;

FIG. 7 is a schematic structural diagram of a lifting device in an embodiment of the present application;

FIG. 8 is a schematic structural view of an access platform, a landing assembly and a rotating assembly in an embodiment of the present application.

Description of reference numerals: 1. a reinforced concrete column; 11. an operation area; 12. a wale; 21. a transverse support beam; 22. transversely bridging the beam; 221. a main beam; 222. overlapping the beams; 23. a cushion layer; 24. a formwork support frame; 25. pouring concrete into a template; 26. pouring concrete into a mold cavity; 3. a support assembly; 31. a support plate; 311. a slide bar; 32. a support member; 321. a chute; 4. a retraction assembly; 41. a connecting seat; 42. rotating the block; 43. a first motor; 44. a drive block; 441. a dovetail groove; 45. a connecting rod; 451. a dovetail block; 46. a guide ring; 5. a lift drive assembly; 51. attaching a support system; 52. a lifting system; 6. a column; 61. a first support section; 611. a support pillar; 6111. caulking grooves; 6112. an insert block; 612. a jacking plate; 62. a second support section; 63. an adjustment assembly; 631. a first support; 632. a second support; 633. a second motor; 634. a screw; 635. a lead screw nut; 636. a jacking rod; 64. a lifting device; 641. a climbing hydraulic jack; 642. a guide bar; 643. a second drive cylinder; 644. a first mechanical gripper; 65. a limiting block; 66. a frame; 7. an overhaul stand; 71. a corridor; 72. pier studs; 73. a guide rail; 8. an overlapping component; 81. a box body; 82. a support block; 83. a caster wheel; 9. a rotating assembly; 91. a first drive cylinder; 92. a lifting plate; 93. a turntable; 94. a third motor; 95. a clamping member.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses a building construction method. Referring to fig. 1, a building construction method includes the steps of:

preparation work before construction:

referring to FIG. 1, a plurality of measuring points are selected in a construction site, the measuring points are distributed in a matrix shape, and holes are drilled at the measuring points to form counter bores; placing a reinforcement cage into the counter bore, and pouring concrete into the counter bore to form a bearing platform; pouring reinforced concrete columns 1 on each bearing platform, forming an operation area 11 between two adjacent rows of reinforced concrete columns 1, and then pouring a waist beam 12 between two adjacent reinforced concrete columns 1 on the side of the operation area 11 according to actual needs; after the preparation before the construction is completed, the following construction is performed.

S1: constructing a truss group:

referring to fig. 1 and 2, a plurality of transverse support beams 21 and a plurality of transverse cross-over beams 22 are prepared;

the material of the transverse support beam 21 includes, but is not limited to, i-steel, channel steel, preferably i-steel in this embodiment; the transverse cross-over beam 22 comprises a main beam 221 and a lap beam 222, wherein the main beam 221 is made of materials including but not limited to Bailey beam, Bin beam and I-steel, preferably Bailey beam in this embodiment.

Referring to fig. 1 and 2, during splicing, two rows of transverse supporting beams 21 are horizontally placed on the ground between every two rows of reinforced concrete columns 1, and the two rows of transverse supporting beams 21 are placed in parallel; overlapping the transverse cross-over beams 22 on the transverse support beams 21, overlapping the main beams 221 on two adjacent transverse support beams 21 in the same operation area 11 when overlapping the transverse cross-over beams 22, so that the main beams 221 and the overlapping beams 222 are distributed in a staggered manner along the length direction of the main beams 221, and rotating the overlapping beams 222 above the main beams 221, so that a gap for the waist beam 12 to pass through is formed between the two adjacent main beams 221; after the main beam 221 is lapped on the cross support beam 21, the main beam 221 and the cross support beam 21 are fixed by screws.

Referring to fig. 1 and 2, after the transverse support beam 21 and the transverse cross-over beam 22 are built, a cushion 23 is laid on the transverse cross-over beam 22: the cushion layer 23 includes but is not limited to bamboo basketry sheets and grid steel plates, preferably grid steel plates in this embodiment, and the cushion layer 23 is detachably connected to the transverse cross-over beam 22 through screws; after the cushion layer 23 is laid, building a formwork support frame 24 on the transverse cross-over beam 22, and building a concrete pouring formwork 25 on the formwork support frame 24, thereby forming a concrete pouring mold cavity 26; when the cushion layer 23 is laid, a gap for avoiding the template support frame 24 is reserved.

S2: the first truss group is in place:

the personnel set up the lifting equipment, and the setting up of the lifting equipment can be carried out simultaneously with the setting up of the truss group, and can also be carried out in time-staggered mode with the setting up of the truss group.

Referring to figures 3, 4 and 5, the lifting apparatus comprises a support assembly 3, a retraction assembly 4 and a plurality of lift drive assemblies 5.

Referring to fig. 3, the supporting assembly 3 includes four supporting plates 31 and four supporting members 32, the length direction of the supporting plates 31 is parallel to the length direction of the transverse supporting beam 21, and the four supporting plates 31 are enclosed to form a square frame shape with unsealed corners; every two adjacent supporting plates 31 are connected through a supporting piece 32 in a sliding mode, the supporting piece 32 is in an L shape, the supporting piece 32 is located at an included angle formed by the two adjacent supporting plates 31, the 90-degree angle of the supporting piece 32 faces the inner side of a positive direction frame enclosed by the four supporting plates 31, a sliding groove 321 is formed in the side wall, close to the supporting plate 31, of each supporting plate 31, a sliding strip 311 is fixedly connected to one side, close to the supporting piece 32, of each supporting plate 31, the sliding strip 311 is connected in the sliding groove 321 in a sliding mode along the depth direction of the sliding groove 321, and therefore the two adjacent supporting plates 31 are connected through the supporting piece 32 in a sliding mode.

Referring to fig. 3 and 4, the retraction assembly 4 includes a connection base 41, a rotation block 42, a first motor 43, four driving blocks 44, four connection rods 45 and four guide rings 46; in this embodiment, the rotating block 42 is disc-shaped, the rotating block 42 is rotatably connected to the side wall of the connecting seat 41, the rotating axis of the rotating block 42 is parallel to the length direction of the supporting plate 31, the rotating axis of the rotating block 42 coincides with the axis of a square frame surrounded by the four supporting plates 31, and meanwhile, the four supporting members 32 are uniformly distributed along the rotating circumference of the rotating block 42; the first motor 43 is a servo motor, a shell of the first motor 43 is fixedly connected with the connecting seat 41 through screws, an output shaft of the first motor 43 penetrates through the connecting seat 41 and then is coaxially and fixedly connected with the rotating block 42 in a key connection mode, the driving block 44 is welded on the peripheral wall of the rotating block 42, 4 driving blocks 44 are uniformly distributed along the circumferential direction of the rotating block 42, one side wall, away from the rotating block 42, of each driving block 44 is a wedge-shaped surface, the wedge-shaped surface inclines towards one side close to the axis of the rotating block 42 along the circumferential direction of the rotating block 42, the driving block 44 is provided with a dovetail groove 441 on the wedge-shaped surface, the dovetail groove 441 is arranged along the inclination mode of the wedge-shaped surface, the end part of each connecting rod 45 is welded with the dovetail block 451, the dovetail block 451 is slidably connected into the dovetail groove 441 along the inclination direction of the wedge-shaped surface, and one end, away from the dovetail block 451, of each connecting rod 45 is welded with one supporting plate 31; the guide rings 46 are welded to the connecting base 41, and each connecting rod 45 is slidably connected to one of the guide rings 46.

Referring to fig. 3 and 5, the lifting driving assembly 5 includes, but is not limited to, a hydraulic climbing frame and a crane, in this embodiment, the lifting driving assembly 5 is preferably a hydraulic climbing frame, the hydraulic climbing frame includes an attached supporting system 51 and a lifting system 52, the attached supporting system 51 is fixed with the top wall of the supporting plate 31 at the top of the supporting assembly 3 by screws, and the lifting system 52 is slidably connected with the attached supporting system 51 along the vertical direction; when the lifting device is used, the transverse supporting beam 21 and the lifting system 52 are fixedly connected through screws, so that the lifting system 52 can drive the transverse supporting beam 21 to move synchronously when moving up and down, and the whole truss group is driven to move up and down.

During installation, the lifting device is placed on the side of the reinforced concrete column 1, and is located between the two transverse supporting beams 21, after the lifting device is in place, the first motor 43 drives the rotating block 42 to rotate, the rotating block 42 drives the four driving blocks 44 to synchronously rotate in the rotating process, the driving blocks 44 push the dovetail block 451 to slide along the dovetail groove 441 in the rotating process, so that the four supporting plates 31 are opened or contracted, the height of the lifting driving assembly 5 can be adjusted in the opening or contraction process of the four supporting plates 31, the lifting origin of the lifting driving assembly 5 below the different transverse supporting beams 21 is located at the same height, and therefore the plurality of lifting driving assemblies 5 can be simultaneously controlled by the same controller for follow-up synchronous operation.

After the debugging of the lifting device is completed, the transverse supporting beams 21 and the lifting systems 52 are fixed through screws, so that the transverse supporting beams 21 at different positions can be synchronously lifted in the process that the plurality of lifting systems 52 simultaneously ascend along the attached supporting systems 51.

In the process of lifting the transverse supporting beam 21, when a person lifts the transverse supporting beam 21 to a height of 50 cm from the ground, the person stops moving the transverse supporting beam, and after the movement is stopped, the person checks whether parts fall or are loosened in the cushion layer 23, the template supporting frame 24 and the concrete pouring template 25;

if the part is loosened, fixing the part to the original position;

if no parts are loose, the lifting device continues to drive the transverse support beams 21 upwards until the transverse support beams 21 are driven to the desired height, so that the first truss group can be driven to the desired height.

Referring to fig. 5 and 6, after the truss group is driven to a required height, the upright post 6 is inserted below the transverse support beam 21, the upright post 6 is vertically arranged, and the upright post 6 sequentially comprises a first support section 61 and a second support section 62 from top to bottom;

the first support 61 section includes, but is not limited to, the following two structural forms:

the first method is as follows: the first support section 61 is an integral cylinder;

the second method comprises the following steps: the first support section 61 is of a split structure;

in this embodiment, the first support section 61 is preferably a split structure, that is, the first support section 61 includes a plurality of support columns 611 and a lifting plate 612, the plurality of support columns 611 are distributed along the vertical direction, and two adjacent support columns 611 are detachably connected by screws; the jacking plate 612 is positioned above the uppermost supporting column 611; in order to improve the stability of the two adjacent supporting columns 611 during installation, in the two adjacent supporting columns 611 up and down, the bottom wall of the supporting column 611 on the upper layer is provided with an embedded groove 6111, the top wall of the supporting column 611 on the lower layer is integrally and fixedly connected with an embedded block 6112, and when the two adjacent supporting columns 611 are spliced, the embedded block 6112 is embedded in the embedded groove 6111.

Referring to fig. 6, the supporting column 611 at the uppermost layer is hollow, an adjusting assembly 63 is disposed between the lifting plate 612 and the supporting column 611 at the uppermost layer, and the adjusting assembly 63 includes a first support 631, a second support 632, a second motor 633, a screw 634, a lead screw nut 635, and a lifting rod 636; first support 631 and second support 632 all weld in the support column 611 inner wall that is located the superiors, second motor 633 is servo motor, the casing of second motor 633 passes through screw fixed connection with first support 631, the coaxial fixed connection of shaft coupling is passed through with the output shaft of second motor 633 to screw rod 634 one end, the other end rotates with second support 632 and is connected, the axis of screw rod 634 and the axis of rotation of screw rod 634 are all vertical, screw nut 635 and screw rod 634 threaded connection, lifting rod 636 one end and screw nut 635 welding, the other end passes behind the support column 611 roof and rotates with lifting plate 612 diapire and be connected.

Referring to fig. 6, when the upright post 6 is installed, first, the second support section 62 is fixed on the bearing platform through anchor bolts, then the plurality of support columns 611 are installed in sequence from bottom to top, that is, the first support column 611 is placed on the second support section 62, the first support column 611 and the second support section 62 are fixed through screws, then, the rest of the support columns 611 are installed in sequence, the hollow support column 611 is installed on the uppermost layer, after the support column 611 on the uppermost layer is installed, the screw rod 634 is driven to rotate by the second motor 633, and when the screw rod 634 rotates, the screw rod nut 635 and the lifting rod 636 are driven to synchronously ascend, so that the lifting plate 612 is lifted upwards until the lifting plate 612 is contacted with the bottom wall of the transverse support beam 21;

referring to fig. 6 and 7, when the supporting column 611 is installed, the supporting column 611 is driven to a required height by using a lifting device 64, wherein the lifting device 64 comprises a climbing hydraulic jack 641, a guide rod 642, a first driving cylinder 91, a second driving cylinder 643 and a first mechanical gripper 644; when the lifting type hydraulic lifting jack is used, the guide rod 642 is vertically placed, the bottom end of the guide rod 642 is fixed with a bearing platform through a foundation bolt, the top end of the guide rod 642 is fixed with a reinforced concrete column through an expansion screw, the lifting type hydraulic jack 641 ascends along the guide rod 642, the first driving cylinder 91 and the second driving cylinder 643 are fixedly connected with the lifting type hydraulic jack 641 through screws, the axis of a piston rod of the first driving cylinder 91 and the second driving cylinder 643 is arranged along the horizontal direction, and the first mechanical clamping hand 644 is fixed with the piston rod of the first driving cylinder 91 and the second driving cylinder 643 through screws.

Referring to fig. 6 and 7, when the supporting column 611 is driven to move, the supporting column 611 is placed on the ground, the supporting column 611 is clamped by the first mechanical gripper 644, the climbing hydraulic jack 641 drives the first mechanical gripper 644 and the supporting column 611 to move upwards to a required height, the first driving cylinder 91 and the second driving cylinder 643 push the first mechanical gripper 644 and the supporting column 611 above the second supporting section 62, the climbing hydraulic jack 641 drives the first mechanical gripper 644 and the supporting column 611 to move downwards, so that the insert block 6112 is embedded into the insert groove 6111, and finally, a person fixes the two adjacent supporting columns 611 by screws; so that the vertical columns 6 can be inserted under the lateral support columns 611, and the lateral support beams 21 can be subjected to load-bearing by the vertical columns 6.

Referring to fig. 5, after the upright 6 is fixed, in order to improve the firmness between the upright 6 and the reinforced concrete column 1, a limiting block 65 is fixed on a side wall of the upright 6 or a side wall of the reinforced concrete column 1, in this embodiment, the limiting block 65 is preferably fixed on the side wall of the upright 6, and further, in this embodiment, the limiting block 65 is preferably welded on a side wall of the supporting column 611; after the limiting block 65 is welded, a frame 66 is sleeved on the outer ring of the upright post 6 and the reinforced concrete column 1, so that the upright post 6 and the reinforced concrete column 1 are enclosed in the frame 66; in this embodiment, the frame 66 is formed by welding four angle steels, and the angle steels overlap on the limiting block 65.

S3: the next truss group is in place:

referring to fig. 5, the next truss set is driven up to the desired height using a lifting device; the truss group driven to the required height is fixed with the previous truss group, when the truss group is fixed, the transverse supporting beams 21 in the two adjacent truss groups are fixedly connected through screws, so that the two adjacent truss groups can be fixed, after the two adjacent truss groups are fixed, the upright 6 is inserted into the lower portion of the transverse supporting beam 21, the upright 6 supports the transverse supporting beam 21, then the lifting equipment is withdrawn, and the bearing point of the transverse supporting beam 21 is transferred onto the upright 6 through the lifting equipment.

S4: and repeating S3 until the truss group is completely lapped.

S5: construction: the construction process comprises bottom layer operation construction and top layer operation construction, wherein the bottom layer operation construction and the top layer operation construction can be simultaneously constructed or staggered;

bottom layer operation and construction:

carrying out bottom layer operation construction on the ground, wherein the bottom layer operation construction comprises the following steps:

s511: tamping the foundation;

s512: laying a base layer: the base layer is made of materials including but not limited to sand and cement mortar, the base layer is preferably sand, and when the base layer is paved, the sand is paved on the ground to form the base layer;

s513: pouring a concrete layer: after the base layer is laid, concrete is poured on the base layer, and a concrete ground is formed after the concrete is finally set;

if the built building is a factory building, the bottom layer operation and construction are finished; if the built building is a subway vehicle section, the following steps are continued:

s514: referring to fig. 8, a plurality of service platforms 7 are constructed: the length direction of each maintenance platform 7 is parallel to the length direction of the transverse supporting beam 21, a corridor 71 is arranged between every two adjacent maintenance platforms 7 at intervals, each maintenance platform 7 comprises a plurality of pillars 72, the pillars 72 are formed by pouring concrete, the pillars 72 are arranged in two rows along the length direction of the transverse supporting beam 21, each row of pillars 72 is fixedly connected with a guide rail 73 through foundation bolts, the guide rails 73 are arranged along the length direction of the transverse supporting beam 21, and the guide rails 73 are used for running of subway vehicles.

Construction of upper layer operation:

carrying out upper layer operation construction above the truss, wherein the upper layer operation construction comprises the following steps:

s521: the upper layer operation construction comprises the following steps: pouring concrete into the concrete pouring mold cavity 26, and forming a top floor after the concrete is finally set; after the top floor is constructed, a pipeline and a keel are installed at the bottom of the top floor, the pipeline comprises but is not limited to a pipeline for ventilation, a pipeline for installing a cable and a pipeline for conveying water, and the pipeline, the keel and the top floor are fixedly connected through expansion screws.

S6: dismantling operation:

the dismantling operation comprises the following steps: firstly, the lifting equipment is placed at a required position, the lifting equipment supports the transverse supporting beam 21, then screws used for fixing the truss group to be disassembled and the adjacent truss group are disassembled, so that the fixed relation between the truss group to be disassembled and the adjacent truss group can be released, personnel remove the upright 6 used for supporting the transverse supporting beam 21, when the upright 6 is removed, the screws used for fixing the first supporting section 61 and the second supporting section 62 are disassembled, the first supporting section 61 can be removed after the screws are disassembled, the second supporting section 62 is embedded in a poured concrete ground at the moment, after the first supporting section 61 is removed, the bearing points of the transverse supporting beam 21 are transferred to the lifting equipment through the first supporting section 61, and finally, the lifting equipment drives the transverse supporting beam 21 to move downwards, namely, the transverse supporting beam 21 is driven to move downwards integrally, namely, the truss group is driven to move downwards.

Referring to fig. 8, before driving the truss group down to the ground, a plurality of support means for supporting the truss group, including the lap joint assembly 8 and the swivel assembly 9, are first placed on the ground.

Referring to fig. 8, the overlapping assembly 8 includes a box 81, a supporting block 82 and 4 casters 83, the box 81 is rectangular, four corners of the bottom wall of the box 81 are respectively connected to one caster 83 through screws, and the casters 83 are brake casters in this embodiment.

Referring to fig. 8, the rotating assembly 9 includes a first driving cylinder 91, a lifting plate 92, a turntable 93, a third motor 94, and a clamping member 95; in this embodiment, the first driving cylinder 91 is an oil cylinder, the cylinder body of the first driving cylinder 91 is fixedly connected with the top wall of the box body 81 through screws, the lifting plate 92 is fixedly connected with the piston rod of the first driving cylinder 91 through screws, and the turntable 93 is rotatably connected with the top wall of the lifting plate 92; the third motor 94 is a servo third motor 94, a shell of the third motor 94 is fixedly connected with the bottom wall of the lifting plate 92 through screws, and an output shaft of the third motor 94 penetrates through the lifting plate 92 and then is coaxially and fixedly connected with the rotary disc 93 in a key connection mode; the material of the clamping member 95 includes but is not limited to a mechanical clamping hand and a clamping jaw cylinder, the clamping member 95 is fixedly connected with the rotary plate 93 through a screw, and the height of the clamping member 95 is higher than the top surface of the pier 72.

In the process of driving the truss group to move downwards, the transverse supporting beam 21 is lapped on the supporting block 82, and when the transverse supporting beam 21 is lapped on the supporting block 82, the pier 72 can be avoided, so that the condition that the transverse supporting beam 21 falls to damage the pier 72 is prevented.

After the transverse supporting beam 21 is clamped by the clamping piece 95, a person can stand on the concrete ground to dismantle the truss group, in the dismantling process, the concrete pouring template 25, the template supporting frame 24, the cushion layer 23, the transverse bridging beam 22 and the transverse supporting beam 21 are dismantled in sequence, after the screws for fixing the transverse bridging beam 22 and the transverse supporting beam 21 are dismantled, the lifting plate 92 is driven by the first driving cylinder 91 to move upwards, the transverse bridging beam 22 is clamped by the clamping piece 95, the lifting plate 92 is driven by the first driving cylinder 91 to move upwards, the clamping piece 95 and the transverse bridging beam 22 are driven to move upwards synchronously when the lifting plate 92 moves upwards, when the transverse bridging beam 22 moves to be separated from the transverse supporting beam 21, the rotary table 93 is driven by the third motor 94 to rotate, the rotary table 93 drives the clamping piece 95 and the transverse bridging beam 22 to rotate synchronously, and when the transverse bridging beam 22 rotates to be parallel to the corridor 71, the personnel can separate the transverse cross-over beam 22 from the clamping piece 95 at the corridor 71, further prevent the transverse cross-over beam 22 from colliding with the pier stud 72, and remove the transverse support beam 21 from the support block 82 after separating the transverse cross-over beam 22 from the clamping piece 95; then, before the next truss group is arranged below, the person moves the support device to the position below the next truss group.

S7: and repeating S6 until the truss group is completely removed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.