CN109403639B

CN109403639B - Method for installing large-area roof truss stress conversion layer

Info

Publication number: CN109403639B
Application number: CN201811146379.1A
Authority: CN
Inventors: 王辉平; 陈莹; 王晟; 葛倩华; 连珍; 邓惠根; 李骋
Original assignee: Shanghai Building Decoration Engineering Group Co Ltd
Current assignee: Shanghai Building Decoration Engineering Group Co Ltd
Priority date: 2018-09-27
Filing date: 2018-09-27
Publication date: 2021-04-06
Anticipated expiration: 2038-09-27
Also published as: CN109403639A

Abstract

The invention provides a method for installing a large-area roof truss stress conversion layer, which solves the technical problem that a truss system does not allow a suspender of a suspended ceiling to be directly connected at a position between truss two-force rods (the truss two-force rods can only bear tension and pressure) by additionally arranging the stress conversion layer comprising a plurality of X-direction conversion keels and a plurality of sections of Y-direction conversion keels. Through the three-dimensional adjustable setting of conversion layer, set up the gasket between the hinge hole of aiming at about two rotatory hinges of Z direction flexible subassembly and elevation nonconformity for the conversion layer can continue truss hyperbolic trend, also can satisfy the installation needs of special-shaped furred ceiling.

Description

Method for installing large-area roof truss stress conversion layer

Technical Field

The invention relates to a method for installing a large-area roof truss stress conversion layer.

Background

With the rapid development of the fabricated building, more and more decoration and fitment also move to the fabricated road. The large-space building roof system mostly adopts a truss structure and has the characteristics of large span, high height, multiple curved surfaces and the like. Its large tracts of land dysmorphism furred ceiling construction if adopt the scaffold frame construction can not satisfy and set up to dysmorphism, changeable elevation demand, the scaffold frame is taken and is torn open the volume big, wastes time and energy, and is with high costs, influences other operation constructions on ground simultaneously.

Disclosure of Invention

The invention aims to provide a method for installing a large-area roof truss stress conversion layer, which can solve the problems of high construction cost, slow construction progress and difficult guarantee of high-altitude operation quality in the traditional ceiling construction mode with an oversized space.

In order to solve the problems, the invention provides a method for installing a large-area roof truss stress conversion layer, which comprises the following steps:

positioning the trends of an X-direction truss and a Y-direction truss of the roof, and measuring the elevations of the X-direction truss and the Y-direction truss through three-dimensional scanning;

positioning the installation positions of the lamp grooves under the X-direction truss and the Y-direction truss, and dividing the integral suspended ceiling of the roof into areas corresponding to a plurality of suspended ceiling unit modules by taking the installation positions of the lamp grooves as natural partition lines of the suspended ceiling;

according to the trends of the X-direction truss and the Y-direction truss, positioning the installation position of the X-direction conversion keel on the X-direction truss;

determining the installation elevation of each section of X-direction keel in each X-direction conversion keel according to the elevations of the X-direction truss and the Y-direction truss, the height of a suspended ceiling unit module and the installation elevation of a suspended ceiling decorative finish layer, connecting a plurality of X-direction conversion keels with the X-direction truss according to the installation positions of the X-direction conversion keels on the X-direction truss and the installation elevations of each section of X-direction keels, wherein the trend of the X-direction conversion keels is consistent with the trend of the X-direction truss, sequentially splicing the plurality of sections of X-direction keels end to end each time to form one X-direction conversion keel, keeping the elevation of two ends of each section of X-direction keel consistent, connecting the two sections of X-direction keels through a rotating hinge assembly, wherein the rotating hinge assembly comprises two rotating hinges and a Z-direction telescopic assembly, wherein one side of each rotating hinge is respectively connected with one end of one section of X, the other sides of the two rotary hinges are respectively provided with a hinge hole, the hinge holes are aligned up and down, one end of the Z-direction telescopic assembly is sleeved in the hinge holes aligned up and down, the elevations of two sections of X-direction keels connected by the two rotary hinges are consistent or inconsistent, a gasket is arranged between the hinge holes aligned up and down of the two rotary hinges connected by the X-direction keels with inconsistent elevations, and the thickness of the gasket is equal to the height difference of the two rotary hinges; connecting the other end of the Z-direction telescopic assembly with a truss of a roof;

checking and correspondingly adjusting the installation position of the X-direction conversion keel on the X-direction truss and the installation elevation of each section of the X-direction keel;

according to the areas corresponding to the plurality of suspended ceiling unit modules, two ends of each section of Y-direction conversion keel are respectively erected on two adjacent X-direction conversion keels which are separated by a preset distance;

and the lamp groove is arranged at the installation position of the lamp groove.

Furthermore, in the method for installing the large-area roof truss stress conversion layer, a plurality of X-direction conversion keels are connected with the X-direction truss,

c-shaped steel is adopted for each section of the X-direction keel;

two ends of each section of Y-direction conversion keel are respectively erected in two adjacent X-direction conversion keels which are separated by a preset distance,

each section of Y-direction conversion keel is made of C-shaped steel.

Furthermore, in the method for installing the large-area roof truss stress conversion layer, two sections of X-direction keels are connected through the rotating hinge assembly,

the section of each rotary hinge adopts a corrugated structure.

Further, in the method for installing the large-area roof truss stress conversion layer, connecting a plurality of X-direction conversion keels with the X-direction truss includes:

manufacturing a Z-direction telescopic assembly comprising a first screw rod, a Z-direction regulator, a first connecting piece and a first hoop piece,

a first external thread is arranged on the full length of the first screw rod, one end of the first screw rod penetrates through the hinge holes of the two rotary hinges, and first nuts are respectively arranged on the first screw rod close to the outer sides of the hinge holes;

manufacturing the Z-direction regulator into an annular structure, and symmetrically forming a first internal threaded hole and a second internal threaded hole on the annular structure, wherein a first internal thread on the first internal threaded hole is matched with a first external thread of the first screw rod, a certain section of first external thread on the other end of the first screw rod is matched and fixed with the first internal threaded hole, the rest of the first screw rod penetrates through the first internal threaded hole to enter the inner side of the first internal threaded hole, and a second nut is arranged on the first screw rod close to the outer side of the first internal threaded hole;

manufacturing the first connecting piece comprising a first connecting part and a second screw rod, wherein the second screw rod is provided with a second external thread along the length, the first connecting part is provided with a first connecting through hole, one end of the first connecting part is connected with one end of the second screw rod, the second external thread is matched with the second internal thread hole on the annular structure, a certain section of second external thread on the second screw rod is matched and fixed with the second internal thread hole, the rest of the second screw rod penetrates through the second internal thread hole to enter the inner side of the second internal thread hole, and a third nut is arranged on the second screw rod close to the outer side of the second internal thread hole;

manufacturing the first hoop part comprising a second connecting part and hoop rings, wherein the hoop rings are two first C-shaped split rings, two open ends of each first C-shaped split ring are symmetrically connected with one second connecting part, each second connecting part is provided with a second connecting through hole, the two first C-shaped split rings are oppositely sleeved on the X-direction truss of the roof, anti-skidding rubber pads are arranged on the contact surfaces of the two first C-shaped split rings and the X-direction truss, and the two first C-shaped split rings are fixed on the X-direction truss through the second connecting through holes, the screws and the nuts on the four second connecting parts; and one second connecting part of each first C-shaped split ring is connected with the first connecting part through a screw, a nut, a first connecting through hole and a second connecting through hole.

Full length

Further, in the method for installing the large-area roof truss stress conversion layer, the step of connecting the two sections of the keels in the X direction through the rotating hinge assembly comprises the following steps:

preparing a rotary hinge assembly, wherein in two rotary hinges of the rotary hinge assembly, a columnar third hinge hole is formed in the upper half part of one side of one rotary hinge, and a columnar fourth hinge hole is formed in the lower half part of one side of the other rotary hinge;

aligning the third hinge hole and the fourth hinge hole up and down, arranging a gasket between the third hinge hole and the fourth hinge hole, and arranging a through hole in the center of the gasket;

and sleeving one end of the first screw rod in the third hinge hole, the through hole of the gasket and the fourth hinge hole.

preparing a rotary hinge assembly, wherein two columnar first hinge holes which are spaced at a first preset distance are formed in one side of one rotary hinge of two rotary hinges of the rotary hinge assembly, a columnar second hinge hole with the height being the first preset distance is correspondingly formed in the middle of one side of the other rotary hinge, and the second hinge hole is located between the two first hinge holes;

and sleeving one end of the first screw rod in the first hinge hole and the second hinge hole.

Compared with the prior art, the invention solves the technical problem that a truss system does not allow a suspender of a suspended ceiling to be directly connected at a position between the truss two-force rods in the later period (the truss two-force rods can only bear tension and pressure) by additionally arranging the stress conversion layer comprising the plurality of X-direction conversion keels and the plurality of sections of Y-direction conversion keels. Through the three-dimensional adjustable setting of conversion layer, set up the gasket between the hinge hole of aiming at about two rotatory hinges of Z direction flexible subassembly and elevation nonconformity for the conversion layer can continue truss hyperbolic trend, also can satisfy the installation needs of special-shaped furred ceiling.

Drawings

FIG. 1 is a schematic view of a roof light trough according to an embodiment of the present invention;

FIG. 2 is a schematic view of a ceiling unit module according to one embodiment of the invention;

FIG. 3 is a schematic view of a truss configuration of a roof according to an embodiment of the present invention;

figure 4 is an installed side view of an X-direction transition keel and a Y-direction transition keel of one embodiment of the invention;

figure 5 is a top view of the X and Y direction transition keels of one embodiment of the present invention;

figure 6 is a schematic view of the installation of an X direction conversion keel according to one embodiment of the invention;

FIG. 7 is a schematic view of the installation of the Z-direction telescoping assembly of one embodiment of the present invention;

FIG. 8 is a schematic view of the Z-direction telescoping assembly and the swivel hinge shown disassembled in accordance with one embodiment of the present invention;

FIG. 9 is a schematic view of a first rotary hinge according to an embodiment of the present invention;

FIG. 10 is a schematic illustration of the first swivel hinge of FIG. 9 in disassembled form;

FIG. 11 is a schematic structural view of a second rotary hinge according to an embodiment of the present invention

FIG. 12 is a schematic illustration of the first swivel hinge of FIG. 11 in disassembled form;

FIG. 13 is a side view of a swivel hinge according to one embodiment of the present invention;

FIG. 14 is a partial block diagram of a Z-direction telescoping assembly in accordance with one embodiment of the present invention;

FIG. 15 is a schematic view of a first connector of an embodiment of the present invention;

figure 16 is a schematic view of the connection of an X direction conversion keel according to one embodiment of the invention;

FIG. 17 is a schematic view of a ceiling unit module according to one embodiment of the invention;

FIG. 18 is a schematic view of the mounting of the second hoop member according to one embodiment of the present invention;

FIG. 19 is an installation schematic of a ceiling unit module according to one embodiment of the invention;

FIG. 20 is a schematic view of a cell frame of an embodiment of the present invention;

FIG. 21 is an enlarged view of the second hoop member;

FIG. 22 is a schematic view of the third hoop member of the present invention;

FIG. 23 is a schematic structural diagram of a third hoop component according to an embodiment of the present invention;

FIG. 24 is a top view of the second connector assembly in accordance with one embodiment of the present invention;

FIG. 25 is a first side view of the installation of a second connector according to one embodiment of the present invention;

FIG. 26 is a second side view of the installation of a second connector according to one embodiment of the present invention;

fig. 27 is a schematic view of the construction of a ceiling grid according to an embodiment of the invention;

FIG. 28 is a schematic view of the second connector of the present invention engaged with a U-shaped wedge-shaped adjustment tab;

FIG. 29 is a schematic structural view of a U-shaped wedge-shaped adjustment insert according to an embodiment of the present invention;

FIG. 30 is a first installation mating view of two U-shaped wedge adjustment tabs in accordance with one embodiment of the present invention;

FIG. 31 is a second installation mating view of two U-shaped wedge adjustment tabs in accordance with one embodiment of the present invention;

FIG. 32 is a schematic view of the installation and mating of a U-shaped wedge-shaped adjustment tab in accordance with an embodiment of the present invention;

FIG. 33 is a schematic structural view of a unit module floor mounting bracket according to an embodiment of the present invention;

FIG. 34 is a schematic structural view of an assembled rack unit according to an embodiment of the present invention;

fig. 35 is a schematic view of the connection between the assembly stand unit and the unit frame according to an embodiment of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.

As shown in fig. 3, the large-space roof frame mostly adopts a steel truss structure and has a double-curved shape. The truss 1 mostly adopts a truss two-force rod as a unit, and the stress characteristic of the truss does not allow a suspender of a later-stage suspended ceiling to be directly connected between the truss two-force rods. Meanwhile, the trend of the roof truss on the XY plane can not be kept horizontal, flat and vertical, and the elevation can not be unified in the Z-axis direction.

As shown in fig. 1 to 35, the invention provides a roof suspended ceiling system, and a method for installing a large-area roof truss stress conversion layer comprises a roof truss suspended ceiling stress conversion system, a plurality of suspended ceiling unit modules 9 and a unit module ground assembly support 10, wherein,

the method for installing the large-area roof truss stress conversion layer and the roof truss suspended ceiling stress conversion system comprise the following steps: as shown in fig. 4-12 and 16, a plurality of X-direction conversion keels are spaced apart from each other by a predetermined distance, each X-direction conversion keel is formed by sequentially splicing a plurality of sections of X-direction keels 2 end to end, the elevations of both ends of each section of X-direction keel 2 are consistent, two sections of X-direction keels 2 are connected by a rotary hinge assembly, the rotary hinge assembly comprises two rotary hinges 4 and a Z-direction telescopic assembly 7, wherein one side of each rotary hinge is connected with one end of one section of X-direction keel 2, the other sides of the two rotary hinges 4 are respectively provided with a hinge hole 5, the hinge holes 5 are aligned up and down, one end of the Z-direction telescopic assembly is sleeved in the hinge hole aligned up and down, so that the other sides of the two rotary hinges can flexibly rotate around one end of the Z-direction telescopic assembly 7, and the elevations of the two sections of X-direction keels 2 connected by the two rotary hinges are, a gasket 6 is arranged between the hinge holes 5 aligned up and down of the two rotary hinges 4 connected with the keels in the X direction with different elevations, and the thickness of the gasket 6 is equal to the elevation difference of the two rotary hinges; the other end of the Z-direction telescopic assembly is connected with a truss 1 of the roof; as shown in fig. 4, 5 and 16, the Y-direction conversion keels 3 are provided in multiple sections, two ends of each Y-direction conversion keel 3 are respectively erected on two adjacent X-direction conversion keels 2 separated by a preset distance, and one section of the Y-direction conversion keel 3 is erected on each section of the X-direction keel 2 in a segmented manner, so that the curve trend in the Y-direction of the truss can be satisfied; as shown in fig. 16, each section of the Y-direction conversion keel 3 can be fixed on the X-direction conversion keel 2 through a fastener 8 shaped like a Chinese character 'ji';

as shown in fig. 2 and 17 to 23, each of the plurality of ceiling unit modules 9 includes a unit frame 91, a ceiling keel 92 and a ceiling finish layer 93, which are connected in sequence, the unit frame 91 is connected with a Y-direction conversion keel 3 at a corresponding position, and here, the unit frame 91 is connected with the Y-direction conversion keel 3, so that the installation position of the Y-direction conversion keel 3 needs to be correspondingly satisfied with the installation position of the unit frame;

as shown in fig. 33, the unit module ground assembling bracket 10 is used for installing the unit frame 91, the ceiling keel 92 and the ceiling finishing layer 93 on the unit module ground assembling bracket for ground assembling.

Here, the three-dimensionally adjustable force conversion layer: consists of an X-direction conversion keel and a Y-direction conversion keel 3. Because the jib of furred ceiling can not the snap-on between the two power poles of truss, for satisfying the effective fixed of furred ceiling, add the atress conversion layer. The stress conversion layer not only meets the stress, but also meets the hyperbolic trend of the truss, and the position of the X-direction keel 2 on the XY plane can be adjusted through the rotation of the rotating hinge of the system; adjusting the Z-direction telescopic assembly 7 to adjust the position of the keel in the X direction in the Z-axis direction; a gasket 6 is arranged between the vertically aligned hinge holes of the two rotary hinges with different elevations, the thickness of the gasket 6 is equal to the elevation difference of the two rotary hinges, when the elevations of the two sections of X-direction keels connected left and right are different, the gasket 6 is matched with the two rotary hinges 4, and the elevation difference between the two sections of X-direction keels 2 connected left and right is solved through the gasket 6; because a section of Y-direction conversion keel 3 is arranged on the X-direction keel 2, the requirement of the curve trend of the truss can be met. Through the design, the effect of integrally converting the three-dimensional adjustable effect is achieved. In addition, the suspended ceiling is divided into a plurality of suspended ceiling unit modules, and the suspended ceiling unit modules are used as objects to carry out integral ground assembly and integral hoisting.

Aiming at solving the problems of high construction cost, slow construction progress and difficult guarantee of high-altitude operation quality in the traditional ceiling construction with an oversized space, the invention specially designs an assembly ceiling system with effective innovation and quick construction. Through the three-dimensional adjustable setting of conversion layer, set up camber fine setting gasket between the hinge hole of aiming at about two rotatory hinges of the flexible subassembly of Z direction and elevation nonconformity for the conversion layer can continue truss hyperbolic trend, also can satisfy the installation needs of special-shaped furred ceiling. In addition, the suspended ceiling unit modules are divided, and the suspended ceiling unit modules are used as objects to carry out integral assembly and hoisting, so that the assembly construction requirement of the large-area suspended ceiling under the scaffold-free condition is met. Through designing the unit module ground assembling support, the unit suspended ceiling module is assembled on the ground more effectively and quickly.

As shown in fig. 16, in the method for installing a large-area roof truss stress conversion layer, in an embodiment of the roof truss suspended ceiling stress conversion system of the present invention, each of the sections of X-direction keels 2 and Y-direction conversion keels 3 is made of C-shaped steel, so that the requirement for the rigidity of the stress conversion layer is met, and the weight of the whole stress conversion layer is reduced.

As shown in fig. 13, in the method for installing the large-area roof truss stress conversion layer, in an embodiment of the roof truss suspended ceiling stress conversion system of the present invention, the cross section of each rotating hinge 4 is of a corrugated structure, so as to increase the vertical rigidity of the hinge and prevent the hinge from deforming under stress.

In an embodiment of the roof truss suspended ceiling stress conversion system of the present invention, as shown in fig. 8, 14, and 15, the Z-direction telescopic assembly 7 includes:

the first screw 71 is provided with a first external thread throughout the length, one end of the first screw passes through the hinge holes 5 of the two rotary hinges 4, and first nuts 711 are respectively arranged on the first screws 71 adjacent to the outer sides of the hinge holes so as to limit the first screws 71 in the hinge holes 5 of the two rotary hinges 4;

as shown in fig. 14, the Z-direction adjuster 72 is an annular structure, the annular structure may be a rectangular ring structure, an annular structure, or an elliptical ring structure, and the annular structure is symmetrically provided with a first internal threaded hole 721 and a second internal threaded hole 722, a first internal thread on the first internal threaded hole matches with a first external thread of the first screw 71, a certain section of first external thread on the other end of the first screw 71 is matched and fixed with the first internal threaded hole 721, the remaining first screw 71 passes through the first internal threaded hole 721 and enters the inner side of the first internal threaded hole 721, and a second nut 712 is disposed on the first screw adjacent to the outer side of the first internal threaded hole 721 to strengthen and fix the position where the certain section of first external thread on the first screw is matched and fixed with the first internal threaded hole;

as shown in fig. 15, the first connecting member 73 includes a first connecting portion 732 and a second screw 731, one end of the first connecting portion 732 is connected to one end of the second screw 731, a second external thread is formed on the second screw 731, the second external thread is matched with the second internal thread hole 722 on the annular structure, a certain section of the second external thread on the second screw 731 is matched and fixed with the second internal thread hole 722, the remaining second screw 731 passes through the second internal thread hole and enters the inside of the second internal thread hole 722, a third nut 733 is formed on the second screw adjacent to the outside of the second internal thread hole 722 to reinforce and fix the position where the certain section of the second external thread and the second internal thread hole are matched and fixed, and a first connecting hole 734 is formed on the first connecting portion 731;

as shown in fig. 8 and 15, the first hoop member includes a second connecting portion 742 and a hoop ring, where the hoop ring is two first C-shaped split rings 741, two open ends of each first C-shaped split ring 741 are symmetrically connected to a second connecting portion, each second connecting portion 742 is provided with a second connecting through hole 744, the two first C-shaped split rings 741 are relatively sleeved on the truss 1 of the roof, the contact surface between the two first C-shaped split rings 741 and the truss 1 is provided with an anti-skid rubber pad 743, and the two first C-shaped split rings are fixed on the truss through the second connecting through holes 744, screws, and nuts on the four second connecting portions 742; one second connection portion 742 of each first C-shaped split ring is connected with the first connection portion 732 through a screw, a nut, a first connection through hole 734 and a second connection through hole 744.

Here, the X-direction conversion keel is connected to a node of the truss 1 through a hoop member, and an anti-skid rubber pad 743 is attached to the inner side of the first hoop member; the first connection part 732 of the first connection member 73 is connected to the second connection part 742 of the first hoop member by two screws and nuts, and the lower side of the first connection member 73 is connected to the second screw 731; the Z-axis direction adjuster 72 is respectively engaged with the first external thread of the first screw 71 and the second external thread of the second screw 731 through the first internal thread hole 721 and the second internal thread hole 722, and by rotation of the Z-axis direction adjuster 72 itself, the engaging position of the first external thread on the first internal thread hole 721 and the first screw 71 can be adjusted, and the engaging position of the second external thread on the second internal thread hole 722 and the second screw 731 can be adjusted, thereby realizing adjustment of the position in the Z-axis direction of the X-direction conversion keel.

As shown in fig. 8, two rotary hinges 4 are sleeved on the first screw 71, the positions of the two rotary hinges on the first screw are fixed and adjusted by upper and lower nuts, the two rotary hinges 4 can rotate freely around the first screw, each section of the X-direction keel 2 is connected with one rotary hinge 4 by four screws, and the position of each section of the X-direction keel 2 connected to the two rotary hinges can be adjusted on the XY plane by rotation of the rotary hinges 4. Therefore, the purpose of adjusting the space three-dimensional position of the X-direction conversion keel 2 can be achieved by adjusting the Z-axis direction adjuster 7 and the rotary hinge 4.

As shown in fig. 20 and 21, in an embodiment of the roof suspended ceiling system of the present invention, the unit frame 91 is formed by C-shaped steel, the unit frame is connected to the Y-direction converting keel 3 through a second hoop member 94, the second hoop member 94 includes two first C-shaped opening frames 941, 942 and a third screw 943, opposite side walls of each first C-shaped

opening frame

941, 942 are symmetrically provided with first through holes, one of the first C-shaped opening frames 942 is sleeved on the unit frame 91, the other of the first C-shaped opening frames 941 is sleeved on the Y-direction converting keel 3, and the third screw 943 respectively passes through the first through holes of the two first C-shaped opening frames 941, 942 and is fixed by nuts so as to connect the unit frame to the Y-direction converting keel through the second hoop member; as shown in fig. 21, the unit frames are connected to the Y-direction switching keel by 6 second clasping members 94;

as shown in fig. 22 and 23, the unit frame 91 is connected to the ceiling keel 92 through a third hoop member 95, second through holes are formed in the ceiling keel 92, the third hoop member 95 includes a second C-shaped opening frame 951 and a fourth screw 952, the third through holes are symmetrically formed in opposite side walls of the second C-shaped opening frame 951, the second C-shaped opening frame 951 is sleeved on the unit frame 91, and the fourth screw 952 is respectively inserted through the third through holes of the second C-shaped opening frame 951 and the second through holes in the ceiling keel 91 and is fixed in a limiting manner through a nut, so that the unit frame is connected to the ceiling keel through the third hoop member.

As shown in fig. 24 to 28, in an embodiment of the suspended ceiling system of the present invention, the suspended ceiling keel 92 is connected to the suspended ceiling veneer 93 through a second connecting member 96, the suspended ceiling keel 92 is of a n-shaped structure, two sides of the n-shaped structure include two protruding flanges 921, the suspended ceiling veneer 93 is connected to a plurality of protruding bayonets 931, the second connecting member 91 includes a keel connecting member, a veneer connecting member and a fifth screw 963, wherein,

the keel connecting piece comprises a first connecting

plate

961, 4 corners of the first connecting plate 961 are provided with clamping teeth 964 clamped with the flange 921, and the center of the first connecting plate 961 is provided with a fourth through hole; here, the first connecting plate 961 is sleeved on the lower portion of the ceiling keel 92 by the engagement between the latch 964 and the flange 921;

the facing connector comprises a second connecting plate 962 and a clamping groove 965, one side of the second connecting plate 962 is connected with the clamping groove 965, the clamping groove 965 is used for clamping with the clamping opening 931 on the ceiling facing layer 93, and a fifth through hole is formed in the center of the second connecting plate 962;

the fifth screw 963 passes through the fourth through hole and the fifth through hole respectively and is fixed by a nut, so that the ceiling keel is connected with the ceiling facing layer through the second connecting member.

As shown in fig. 28 to 31, in an embodiment of the roof ceiling system of the present invention, the roof ceiling system further includes an adjusting module, the adjusting module includes two U-shaped wedge-shaped adjusting insertion pieces 97, a thickness of an open end of each U-shaped wedge-shaped adjusting insertion piece 97 is smaller than a thickness of a closed end, so as to form an adjustable slope on each U-shaped wedge-shaped adjusting insertion piece, a circular tooth slot 971 is disposed on a U-shaped contact surface of each U-shaped wedge-shaped adjusting insertion piece 97, the two U-shaped wedge-shaped adjusting insertion pieces 97 are inserted between the first connection plate 961 and the second connection plate 962 from respective open ends thereof and are sleeved on the fifth screw 963, and the two U-shaped wedge-shaped adjusting insertion pieces 97 are engaged at different positions by the circular tooth slot 971, so as to achieve that the upper and lower U-shaped wedge-shaped adjusting insertion pieces.

Here, the contact surface area scalloped groove of two piece upper and lower U word wedge type adjustment inserted sheets, guarantee to receive the pressure effect under, do not produce between the U word wedge type adjustment inserted sheet and slide, through the block of adjusting two U word wedge type adjustment inserted sheets and leading to the different positions of scalloped groove, two piece upper and lower U word wedge type adjustment inserted sheets are whole or partial overlapping, thereby can realize adjusting the ascending position in Z axle direction on furred ceiling finish coat, reach the difference in height who adjusts two adjacent furred ceiling layers with this, realize the holistic slope effect of furred ceiling, every round tooth that slides between the U word wedge type adjustment inserted sheet, module height-adjusting increases (or reduces) 1mm, it is 5 ~ 20mm to adjust multiplicable height range.

As shown in fig. 32, in an embodiment of the large-area roof truss suspended ceiling module, the conversion layer, and the ground assembling support system of the present invention, the large-area roof truss suspended ceiling module further includes an adjusting module, the adjusting module includes at least one U-shaped wedge-shaped adjusting insertion piece 98 with a thickness of 1mm and a uniform thickness, at least one U-shaped wedge-shaped adjusting insertion piece 98 is inserted between the first connection plate 961 and the second connection plate 962 from an opening end thereof, and is sleeved on the fifth screw 963, and when the U-shaped wedge-shaped adjusting insertion pieces 98 are multiple, two adjacent U-shaped wedge-shaped adjusting insertion pieces 98 are overlapped up and down.

Here, when the module adjusting module is adjusted in a height range of 5mm or less, the height adjustment can be achieved by adding several U-wedge type adjusting blades 98 having a thickness of 1 mm.

The adjusting module is arranged between the ceiling keel and the ceiling facing layer, so that the requirement of fine adjustment of the ceiling facing elevation is met, and the ceiling with the different gradient is used for being more advantageous.

As shown in fig. 9 and 10, in an embodiment of the roof truss suspended ceiling stress conversion system according to the present invention, in two rotating hinges 4 of the rotating hinge assembly, one side of one of the rotating hinges 4 is provided with two first hinge holes 41 spaced apart by a first predetermined distance, the middle of one side of the other rotating hinge is correspondingly provided with a second hinge hole 42 having a height equal to the first predetermined distance, the second hinge hole is located between the two first hinge holes, and one end of the first screw 71 is sleeved in the first hinge hole 41 and the second hinge hole 42.

Here, two rotatory hinges 4 of this embodiment can satisfy the unanimous condition of two sections X direction fossil fragments 2 elevation that wait to connect about the hinge.

As shown in fig. 11 and 12, in an embodiment of the ceiling stress conversion system for a roof truss according to the present invention, in two rotating hinges 4 of the rotating hinge assembly, a cylindrical third hinge hole 43 is disposed on an upper half portion of one side of one of the rotating hinges 4, a cylindrical fourth hinge hole 44 is disposed on a lower half portion of one side of the other rotating hinge 4, the third hinge hole 43 and the fourth hinge hole 44 are aligned up and down, a spacer 6 is disposed between the third hinge hole and the fourth hinge hole, a through hole is disposed at a center of the spacer 6, and one end of the first screw rod 71 is sleeved in the third hinge hole 43, the through hole of the spacer, and the fourth hinge hole 44.

Here, two rotatory hinges 4 of this embodiment can satisfy the inconsistent condition of two sections X direction fossil fragments 2 elevations of treating the connection about left and right sides.

As shown in fig. 33 to 35, in an embodiment of the roof ceiling system according to the present invention, the unit module ground assembly support 10 includes two rows of assembly supports oppositely disposed, each row of assembly supports includes a plurality of assembly support units 101, adjacent assembly support units in each row of assembly supports are connected to each other, and each assembly support unit 101 includes:

a tower-shaped body 102 formed by welding square pipes;

a screw and nut 103 provided at the top of the tower-shaped body 102 for connection with the unit frame 91;

universal wheels 104 arranged at the bottom of the tower-shaped body 102.

Here, as shown in fig. 31, the unit module ground assembling bracket 10 is composed of six assembling bracket units 101, each three assembling bracket units 101 are connected in a row to improve the stability of the bracket, each assembling bracket unit 101 is welded in a tower shape by a square pipe to further improve the stability of the bracket, three universal wheels 104 are provided at the bottom of each assembling bracket unit to realize the free movement of the bracket, and a screw and a nut are provided at the top of each assembling bracket unit to be connected with the unit frame. When the unit suspended ceiling module is assembled on the ground, the unit suspended ceiling module can be assembled in different places on the unit module ground assembling support, and when the unit suspended ceiling module is hoisted, the unit module ground assembling support 10 and the suspended ceiling unit module on the unit module ground assembling support are translated to the hoisting position through the universal wheels, so that the parallel construction content is not influenced to the maximum extent.

The invention provides a roof ceiling hanging method, which comprises the following steps: firstly, construction measurement paying-off; secondly, installing a three-dimensional adjustable conversion layer; thirdly, manufacturing the unit ceiling module ground; and fourthly, integrally hoisting the unit ceiling modules. The method for installing the large-area roof truss stress conversion layer comprises the following steps: and (5) construction measurement paying-off and installation of a three-dimensional adjustable conversion layer.

As shown in fig. 1 to 35, an embodiment of the roof ceiling method of the present invention includes:

step S1, constructing a measuring line, comprising:

step S11, positioning the tendency of the truss in the X direction and the truss 1 in the Y direction of the roof, and measuring the elevations of the truss in the X direction and the truss 1 in the Y direction through three-dimensional scanning;

step S12, as shown in fig. 1, positioning the installation positions of the light troughs 100 under the X-direction truss and the Y-direction truss 1, and dividing the integral ceiling of the roof into areas corresponding to a plurality of ceiling unit modules 9 by taking the installation positions of the light troughs 100 as natural ceiling partition lines;

step S13, positioning the installation position of the X-direction conversion keel on the X-direction truss 1 according to the trends of the X-direction truss and the Y-direction truss 1;

step S2, installing a three-dimensional adjustable conversion layer, comprising:

step S21, as shown in fig. 4 to 12 and 16, determining an installation elevation of each section of X-direction keel 2 in each X-direction conversion keel according to elevations of an X-direction truss and a Y-direction truss 1, a height of a ceiling unit module 9 and an installation elevation of a ceiling finish surface layer 93, connecting a plurality of X-direction conversion keels with the X-direction truss according to installation positions of the X-direction conversion keels on the X-direction truss 1 and installation elevations of the sections of X-direction keels 2, wherein the trend of the X-direction conversion keel is consistent with the trend of the X-direction truss, sequentially splicing a plurality of sections of X-direction keels 2 end to form one X-direction conversion keel each time, the elevations of both ends of each section of X-direction keel 2 are consistent, connecting the two sections of X-direction keels 2 through a rotary hinge assembly, wherein the rotary hinge assembly comprises two rotary hinges 4 and a Z-direction telescopic assembly 7, wherein, one side of each rotary hinge is respectively connected with one end of one section of X-direction keel 2, the other side of the two rotary hinges is respectively provided with a hinge hole 5, the hinge holes 5 are aligned up and down, one end of the Z-direction telescopic component 7 is sleeved in the hinge holes aligned up and down, the elevations of the two sections of X-direction keels connected by the two rotary hinges are consistent or inconsistent, wherein a gasket 6 is arranged between the hinge holes aligned up and down of the two rotary hinges 4 connected by the X-direction keel 2 with inconsistent elevation, and the thickness of the gasket 6 is equal to the elevation difference of the two rotary hinges 4; connecting the other end of the Z-direction telescopic assembly 7 with a truss 1 of a roof;

the trend of the X-direction conversion keel is consistent with the trend of the X-direction truss, the installation height of the X-direction conversion keel is matched with the height of a finished surface of the suspended ceiling, and if the installation height of the X-direction keel is equal to the installation height of a facing layer of the suspended ceiling plus the effective height of a suspended ceiling unit module;

step S22, checking and correspondingly adjusting the installation position of the X-direction conversion keel on the X-direction truss and the installation elevation of each section of the X-direction keel;

step S23, as shown in fig. 4, 5 and 16, respectively erecting two ends of each section of Y-direction conversion keel 3 on two adjacent X-direction conversion keels separated by a preset distance according to the areas corresponding to the plurality of ceiling unit modules 9;

here, since the Y-direction conversion keel 3 is used for connecting the unit ceiling modules, the Y-direction conversion keel 3 is pre-installed, and the specific installation position needs to be adjusted correspondingly when being matched with the unit ceiling modules 9 for hoisting;

step S3, as shown in fig. 1, installing the light trough 100 at the installation position of the light trough 100, and then using the light trough 100 as a positioning line of each ceiling unit module;

step S4, as shown in fig. 2, 17 to 23, the unit ceiling module 9 is fabricated on the ground, including:

step S41, the unit frame 91 is assembled: erecting the assembly components of the unit frame 91 on the unit module ground assembly support 10 for ground mechanical assembly;

step S42, connecting a ceiling keel 92 on the assembled unit frame 91, and connecting a ceiling finishing layer 93 on the ceiling keel 92 to assemble a plurality of ceiling unit modules 9;

step S5, hoisting the unit ceiling module 9 as a whole, including:

step S51, using the light trough 100 as a positioning line, hoisting each unit ceiling module 9 to a preset position by using a steel wire rope and an electric hoist, adjusting the position of the Y-direction conversion keel 3 of the corresponding section according to the preset position, and connecting the unit frame 91 of each unit ceiling module 9 with the Y-direction conversion keel 3 of the corresponding position;

and step S52, rechecking and correspondingly adjusting the installation position and the installation elevation of each suspended ceiling unit module by adopting a measuring device.

Here, the three-dimensionally adjustable force conversion layer: consists of an X-direction conversion keel and a Y-direction conversion keel 3. Because the jib of furred ceiling can not the snap-on between the two power poles of truss, for satisfying the effective fixed of furred ceiling, add the atress conversion layer. The stress conversion layer not only meets the stress, but also meets the hyperbolic trend of the truss, and the position of the X-direction keel 2 on the XY plane can be adjusted through the rotation of the rotating hinge of the system; adjusting the Z-direction telescopic assembly to adjust the position of the X-direction keel 2 in the Z-axis direction; a gasket 6 is arranged between the hinge holes 5 aligned up and down of the two rotary hinges 4 with different elevations, the thickness of the gasket 6 is equal to the elevation difference of the two rotary hinges, when the elevations of the two sections of X-direction keels 2 connected left and right are different, the gasket is matched with the two rotary hinges, and the elevation difference between the two sections of X-direction keels connected left and right is solved through the gasket; because a section of Y-direction conversion keel 3 is arranged on the X-direction keel 2, the requirement of the curve trend of the truss can be met. Through the design, the effect of integrally converting the three-dimensional adjustable effect is achieved. In addition, the suspended ceiling is divided into a plurality of suspended ceiling unit modules 9, and the suspended ceiling unit modules are used as objects for integral ground assembly and integral hoisting.

In an embodiment of the method for suspended ceiling of roof of the present invention, as shown in fig. 16, a plurality of X-direction conversion keels are connected to the X-direction truss,

each section of the X-direction keel 2 is made of C-shaped steel;

each section of Y-direction conversion keel 3 is made of C-shaped steel, so that the requirement on the rigidity of the stress conversion layer is met, and the weight of the whole stress conversion layer is reduced.

In one embodiment of the method for suspended ceiling of roof of the present invention, as shown in fig. 13, two sections of X-direction keels are connected by a rotating hinge assembly,

the section of each rotary hinge 4 adopts a corrugated structure so as to increase the vertical rigidity of the hinge and prevent the hinge from deforming under stress.

As shown in fig. 8, 14 and 15, in an embodiment of the method for suspended ceiling of a roof according to the present invention, the connecting a plurality of X-direction conversion keels to the X-direction truss includes:

a Z-direction telescopic assembly 7 including a first screw 71, a Z-direction adjuster 72, a first connecting member 73, and a first hoop member is manufactured, wherein,

a first external thread is arranged on the first screw rod 71 in the full length, one end of the first screw rod 71 penetrates through the hinge holes 5 of the two rotary hinges 4, and first nuts 711 are respectively arranged on the first screw rods 71 adjacent to the outer sides of the hinge holes 5 so as to limit the first screw rods 71 in the hinge holes 5 of the two rotary hinges 4;

the Z-direction adjuster 72 is manufactured into an annular structure, which may be a rectangular ring structure, an annular structure, an elliptical ring structure, or the like, and a first internal threaded hole 721 and a second internal threaded hole 722 are symmetrically formed in the annular structure, where a first internal thread on the first internal threaded hole 721 is matched with a first external thread of the first screw 71, a certain section of first external thread on the other end of the first screw 71 is matched and fixed with the first internal threaded hole 721, the remaining first screw 71 passes through the first internal threaded hole 721 and enters the inner side of the first internal threaded hole 721, and a second nut 712 is disposed on the first screw 71 adjacent to the outer side of the first internal threaded hole 721 to strengthen and fix the position where the certain section of first external thread on the first screw is matched and fixed with the first internal threaded hole;

as shown in fig. 15, the first connector 73 including a first connection part 732 and a second screw 731 is manufactured, a second external thread is provided on the second screw 731, a first connection through hole 734 is provided on the first connection part 732, one end of the first connection part 732 is connected to one end of the second screw 731, wherein the second external thread is matched with the second internal thread hole 722 on the annular structure, a certain section of the second external thread on the second screw 731 is matched and fixed with the second internal thread hole 722, the remaining second screw 731 passes through the second internal thread hole 722 to enter the inner side of the second internal thread hole, and a third nut 733 is provided on the second screw 731 adjacent to the outer side of the second internal thread hole 722 to reinforce and fix the matching and fixing position of the certain section of the second external thread and the second internal thread hole on the second screw;

as shown in fig. 8 and 15, the first hoop member including the second connecting portion 742 and the hoop rings is manufactured, wherein the hoop rings are two first C-shaped split rings 741, two open ends of each first C-shaped split ring 741 are symmetrically connected to one second connecting portion 742, each second connecting portion 742 is provided with a second connecting through hole 744, the two first C-shaped split rings are relatively sleeved on the X-direction truss 1 of the roof, anti-skid rubber pads 743 are arranged on the contact surfaces of the two first C-shaped split rings and the X-direction truss, and the two first C-shaped split rings are fixed on the X-direction truss 1 through the second connecting through holes 744, the screws and the nuts on the four second connecting portions 742; one of the second connection 742 parts of each first C-shaped split ring 741 is connected to the first connection 732 through a screw, a nut, a first connection through hole 734, and a second connection through hole 744.

Here, the X-direction conversion keel is connected to a node of the truss 1 through a hoop member, and an anti-skid rubber pad 743 is attached to the inner side of the first hoop member; the first connection part 732 of the first connection member 73 is connected to the second connection part 742 of the first hoop member by two screws and nuts, and the lower side of the first connection member 73 is connected to the second screw 731; the Z-axis direction adjuster 72 is respectively engaged with the first external thread of the first screw 71 and the second external thread of the second screw 731 through the first internal thread hole 721 and the second internal thread hole 722, and by rotation of the Z-axis direction adjuster 7 itself, it is possible to adjust the engagement position of the first external thread of the first internal thread hole and the first screw 71, and the engagement position of the second external thread of the second internal thread hole and the second screw 731, thereby realizing adjustment of the position in the Z-axis direction of the X-direction conversion keel.

As shown in fig. 8, two rotary hinges 4 are sleeved on the first screw 71, the positions of the two rotary hinges on the first screw are fixed and adjusted by upper and lower nuts, the two rotary hinges 4 can rotate freely around the first screw, each section of the X-direction keel 2 is connected with one rotary hinge 4 by four screws, and the position of each section of the X-direction keel 2 connected to the two rotary hinges on the XY plane can be adjusted by rotation of the rotary hinges. Therefore, the purpose of adjusting the space three-dimensional position of the X-direction conversion keel can be achieved by adjusting the Z-axis direction adjuster 7 and the rotary hinge 4.

As shown in fig. 20 and 21, in an embodiment of the method for suspended ceiling on roof of the present invention, the mechanical assembly on the ground is performed by mounting the assembly components of the unit frame on the unit module ground assembly support, which includes:

connecting the C-shaped steel assembled with the unit frame 91 to the unit module ground assembly support 10 for ground mechanical assembly;

connect the unit frame 91 of each unit ceiling module 9 with the Y direction conversion keel of the corresponding position, include:

connecting a unit frame with the Y-direction conversion keel 3 through a second hoop member 94, wherein the second hoop member 94 includes two first C-shaped opening frames 941, 942 and a third screw 943, first through holes are symmetrically formed on opposite side walls of each first C-shaped opening frame 941, one of the first through holes is sleeved on the unit frame 91, the other one of the first through holes is sleeved on the Y-direction conversion keel 3, and the third screw 943 respectively passes through the first through holes of the two first C-shaped opening frames 941, 942 and is limited and fixed by nuts;

connect the ceiling keel on the unit frame that the equipment is accomplished, include:

as shown in fig. 22 and 23, the unit frame 91 is connected to the ceiling keel 92 through a third hoop member 95, wherein a second through hole is formed in the ceiling keel 92, the third hoop member 95 includes a second C-shaped opening frame 951 and a fourth screw 952, the third through holes are symmetrically formed in opposite side walls of the second C-shaped opening frame 951, the second C-shaped opening frame 951 is sleeved on the unit frame 91, and the fourth screw 952 is respectively inserted through the third through hole of the second C-shaped opening frame 951 and the second through hole of the ceiling keel 92 and is fixed by a nut, so that the unit frame 91 is connected to the ceiling keel 92 through the third hoop member 95.

As shown in fig. 24 to 28, in an embodiment of the method for suspended ceiling for roofing of the present invention, a ceiling finishing layer is connected to the ceiling keel to assemble a plurality of ceiling unit modules, including:

connecting the ceiling keel 92 with a ceiling finishing layer 93 through a second connecting piece 96, wherein the ceiling keel 92 is of a n-shaped structure, two sides of the n-shaped structure comprise two extending flanges 921, and the ceiling finishing layer 93 is connected with a plurality of extending bayonets 931; the second connecting member 96 includes a keel connecting member, a facing connecting member and a fifth screw 963, wherein the keel connecting member includes a first connecting

plate

961, 4 corners of the first connecting plate 961 are provided with latch teeth 964 engaged with the flange 921, and a center of the first connecting plate 961 is provided with a fourth through hole; the facing connecting piece comprises a second connecting plate 962 and a clamping groove 965, one side of the second connecting plate 962 is connected with the clamping groove, and a fifth through hole is formed in the center of the second connecting plate 962;

clamping the clamping grooves 965 with bayonets on the ceiling finish layer 93;

the fifth screws 963 are inserted through the fourth and fifth through-holes, respectively, and are fixed by nuts.

As shown in fig. 28 to 31, in an embodiment of the method for suspended ceiling on roof of the present invention, the step of passing the fifth screw through the fourth through hole and the fifth through hole respectively and fixing the fifth screw by a nut includes:

passing the fifth screw 963 through the fourth and fifth through-holes, respectively;

preparing a conditioning module, wherein the conditioning module comprises: the thickness of the opening end of each U-shaped wedge-shaped adjusting insertion piece 97 is smaller than that of the closed end of each U-shaped wedge-shaped adjusting insertion piece 97 so as to form an adjustable gradient on each U-shaped wedge-shaped adjusting insertion piece, and a circular tooth clamping groove 971 is formed in the U-shaped contact surface of each U-shaped wedge-shaped adjusting insertion piece;

inserting the two U-shaped wedge-shaped adjusting insertion pieces 97 between the first connecting plate 961 and the second connecting plate 962 from respective open ends thereof, and sleeving the two U-shaped wedge-shaped adjusting insertion pieces 97 on the fifth screw 963, wherein the two U-shaped wedge-shaped adjusting insertion pieces 97 are clamped at different positions through the circular tooth clamping groove 971, so that the upper and lower U-shaped wedge-shaped adjusting insertion pieces are completely or partially overlapped;

after the upper and lower U-shaped wedge-shaped adjusting insertion pieces 97 are completely or partially overlapped, the fifth screw 963 is fixed by a nut.

As shown in fig. 32, in an embodiment of the method for suspended ceiling on roof of the present invention, the step of passing the fifth screw through the fourth through hole and the fifth through hole respectively, and fixing the fifth screw by a nut includes:

preparing a conditioning module, wherein the conditioning module comprises: at least one U-shaped wedge-shaped adjusting insert 98 with the thickness of 1mm and the uniform thickness;

inserting at least one U-shaped wedge-shaped adjusting insertion piece 98 between the first connecting plate 961 and the second connecting plate 962 from the respective open end, and sleeving the fifth screw 963, wherein when the U-shaped wedge-shaped adjusting insertion pieces 98 are multiple, two adjacent U-shaped wedge-shaped adjusting insertion pieces 98 are overlapped up and down;

after two adjacent U-shaped wedge-shaped adjusting insertion pieces 98 are overlapped up and down, the fifth screw 963 is fixed through a nut.

As shown in fig. 9 and 10, in an embodiment of the method for suspended ceiling on roof of the present invention, the connecting the two pieces of X-direction keels by the rotating hinge assembly includes:

preparing a rotary hinge assembly, wherein two columnar first hinge holes 41 with a first preset distance are arranged on one side of one rotary hinge 4 of two rotary hinges 4 of the rotary hinge assembly, a columnar second hinge hole 42 with the first preset distance is correspondingly arranged in the middle of one side of the other rotary hinge 4, and the second hinge hole 42 is positioned between the two first hinge holes 41;

one end of the first screw 71 is sleeved in the first hinge hole 41 and the second hinge hole 42.

As shown in fig. 11 and 12, in an embodiment of the method for suspended ceiling on roof of the present invention, the connecting the two pieces of X-direction keels by the rotating hinge assembly includes:

preparing a rotary hinge assembly, wherein a cylindrical third hinge hole 43 is formed in the upper half of one side of one of the two rotary hinges 4 of the rotary hinge assembly, and a cylindrical fourth hinge hole 44 is formed in the lower half of one side of the other rotary hinge 4;

aligning the third hinge hole and the fourth hinge hole up and down, arranging a gasket 6 between the third hinge hole 43 and the fourth hinge hole 44, and arranging a through hole in the center of the gasket 6;

one end of the first screw 71 is sleeved in the third hinge hole 43, the through hole of the gasket 6 and the fourth hinge hole 44.

As shown in fig. 31 to 33, in an embodiment of the method for suspended ceiling on roof of the present invention, the mechanical assembly of the ground is performed by erecting the assembly components of the unit frame on the unit module ground assembly supports, including:

two rows of equipment support formation unit module ground equipment support of relative setting, every row of equipment support include a plurality of equipment support units 101, and wherein, every equipment support unit 101 includes: a tower-shaped body 102 formed by welding square pipes; a screw and nut 103 provided at the top of the tower-shaped body 102 for connection with the unit frame 91; universal wheels 104 arranged at the bottom of the tower-shaped body 102;

interconnecting adjacent ones of the assembly rack units 101 in each row of assembly racks;

the assembly members of the unit frame 91 are mounted on the unit module ground assembly bracket 10 by means of the screw and nut 103 connected to the unit frame 91, and ground mechanical assembly is performed.

Here, unit module ground equipment support comprises six equipment support units, and every three equipment support unit is connected into one row to mention support stability, every equipment support unit is by square pipe welding turriform, in order to further improve the stability of support, the bottom of every equipment support unit sets up three universal wheel, realizes the free removal of support, and the top of every equipment support unit sets up screw rod, nut for with unit frame attach. When the unit suspended ceiling module is assembled on the ground, the unit suspended ceiling module can be assembled in different places on the unit module ground assembling support, and when the unit suspended ceiling module is hoisted, the unit module ground assembling support and the suspended ceiling unit module on the unit module ground assembling support are translated to the hoisting position through the universal wheels, so that the parallel construction content is not influenced to the maximum extent.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It will be apparent to those skilled in the art that various changes and modifications may be made in the invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A method for installing a large-area roof truss stress conversion layer is characterized by comprising the following steps:

2. The method of claim 1, wherein the step of connecting the plurality of X-direction transition keels to the X-direction truss comprises:

c-shaped steel is adopted for each section of the X-direction keel;

with the both ends of every section Y direction conversion fossil fragments, erect respectively in the step on two adjacent X direction conversion fossil fragments that are separated by the preset distance, include:

each section of Y-direction conversion keel is made of C-shaped steel.

3. The method of claim 1, wherein the step of connecting the two sections of X-direction studs by a rotating hinge assembly comprises:

the section of each rotary hinge adopts a corrugated structure.

4. The method of claim 1, wherein connecting a plurality of X-direction transition keels to the X-direction truss comprises:

5. The method of claim 4, wherein connecting the two sections of the X-direction studs by a rotating hinge assembly comprises:

6. The method of claim 4, wherein connecting the two sections of the X-direction studs by a rotating hinge assembly comprises: