CN115198764B - Supporting framework and construction method for lattice column top plate support - Google Patents
Supporting framework and construction method for lattice column top plate support Download PDFInfo
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- CN115198764B CN115198764B CN202210864744.2A CN202210864744A CN115198764B CN 115198764 B CN115198764 B CN 115198764B CN 202210864744 A CN202210864744 A CN 202210864744A CN 115198764 B CN115198764 B CN 115198764B
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- 238000010276 construction Methods 0.000 title claims abstract description 32
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000009415 formwork Methods 0.000 description 14
- 230000008569 process Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000005056 compaction Methods 0.000 description 3
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- 230000009286 beneficial effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The application provides a supporting framework and a construction method for a lattice column top plate support, wherein two groups of scissor supporting structures form an X shape together and are respectively arranged at the bottom of a folding template in an opening and closing adjustable manner, one group of scissor supporting structures is arranged along the width direction of the folding template, and the other group of scissor supporting structures is arranged along the length direction of the folding template; the supporting legs are arranged at intervals on the bottoms of the corresponding scissor supporting structures in a height-adjustable mode, and the folding template is leveled by adjusting the heights of the supporting legs. The device simple structure, and convenient to use can guarantee regularity and whole roughness between the template piece, forms good atress support system, can satisfy the construction requirement, and support system precision is high, easily installs and demolishs, can reuse.
Description
Technical Field
The application relates to the field of building construction, in particular to a supporting framework and a construction method for supporting a lattice column top plate.
Background
Along with the increasing large scale of current deep foundation pit engineering, in the process of deep foundation pit construction, the application of steel lattice columns is more and more frequent, and steel lattice columns are used as an enclosure structure supporting system, the lattice columns are usually required to be removed after the whole main structure construction is completed by earthing and backfilling, in the process of main structure construction, higher requirements are put forward on concrete construction of the top plate through lattice columns, if the construction quality is not well controlled, the possibility of water seepage and water leakage of nodes at the positions can be caused, the later plugging difficulty is higher, and the expected effect is difficult to achieve. Therefore, in order to ensure the waterproof performance of the whole structure, the control of the quality needs to be carried out in the concrete construction process, however, because the inner space of the lattice column is smaller, the gap between the outer angle steel and the batten plate is narrow, and the following problems exist in the traditional construction method in the processes of template and support installation:
1, a whole template is difficult to penetrate into a lattice column, the template is required to be cut into small blocks and then is spliced inside after penetrating into the lattice column through an angle steel and lacing plate gap, the integrity of the template is poor, and the uniformity and flatness of the joints between the templates are difficult to ensure by an independent small template;
2, when the traditional hanging die mode is used for construction from the upper part, the vertical pull rod is too concentrated in the center after penetrating through the round hole from the upper part under the influence of a water stop steel plate arranged in the lattice column, and the template is assembled by small blocks, so that a better stress point is difficult to provide for supporting the weight of concrete;
3, when adopting traditional steel pipe to support from the lower part, because the lattice column is inside hollow, the steel pipe can't provide better impetus, if add the pad steel sheet level in the lower part and provide the steel pipe support stress point on the batten board, need cut the steel pipe into just meeting the length that requires, although can solve the formwork support and support the problem, but because behind the concreting, steel pipe and lower part steel sheet jack-up are in the same place, follow the little gap of lattice column and be difficult to take out the steel pipe, and the short steel pipe utilization ratio after taking out is lower, roof construction to different positions, because the interval of roof bottom and batten board upper portion gap is also different, all need cut into different length steel pipes at every turn and adapt, cause the waste.
Disclosure of Invention
One of the purposes of the present application is to provide a supporting frame and a construction method for supporting a top plate of a lattice column, so as to solve the problem of difficult supporting of a template at the top plate of the lattice column.
The technical scheme of the application is as follows:
a supporting framework comprises a folding template, two groups of scissor supporting structures and a plurality of supporting feet; the two groups of the scissor support structures jointly form an X shape and are respectively arranged at the bottom of the folding template in an opening and closing adjustable manner, wherein one group of the scissor support structures is arranged along the width direction of the folding template, and the other group of the scissor support structures is arranged along the length direction of the folding template; the supporting legs are arranged on the bottoms of the corresponding scissor support structures at intervals in a height adjustable mode, and the folding templates are leveled by adjusting the heights of the supporting legs.
As a technical scheme of the application, the folding template comprises a first template and a second template which can be unfolded and folded, wherein the first template is hinged with the second template through a plurality of hinges, and a plurality of hinges are arranged in parallel at intervals.
As a technical scheme of the application, each group of the scissors supporting structure comprises a connecting screw rod and two supporting plates, the middle parts of the two supporting plates are hinged into an X shape through the connecting screw rod, the first template is placed on the top end of one supporting plate, and the second template is placed on the top end of the other supporting plate.
As a technical scheme of the application, the supporting leg comprises a positioning screw rod; the positioning screw rods are detachably connected to the bottom sides of the corresponding supporting plates, and the two ends of the bottom of each positioning screw rod are vertically connected with supporting legs respectively; the support legs are provided with scale marks along the height direction, the middle part of the support legs are sleeved with a telescopic adjusting rod, and the height of the support legs can be adjusted by rotating the telescopic adjusting rod; the lower parts of the support legs are connected with horizontal rods which are horizontally arranged; the U-shaped groove is installed at the bottom of one end of the horizontal rod, and the U-shaped groove is vertically arranged.
As a technical scheme of the application, the support leg is hinged with the positioning screw rod.
The construction method for the lattice column top plate support structure adopts the supporting framework to carry out construction and comprises the following steps:
step one, determining the position of the elevation of the bottom of the top plate penetrated by the lattice column, and marking; penetrating the folded folding template into the lattice column from a gap between the angle steel and the batten plate at the upper part of the lattice column, unfolding and tiling the folded template after overturning, and placing the folding template at the elevation of the plate bottom marked by the top plate to enable the folding template to be attached to the internal space of the lattice column;
step two, penetrating the first group of contracted scissor support structures into the lattice column through the gaps and then expanding the first group of contracted scissor support structures into a scissor support mode for supporting the folding template;
step three, rotating the support legs in the support legs to enable the support legs to vertically downwards; rotating a telescopic adjusting rod on the supporting leg to adjust the length of the supporting leg so that a U-shaped groove at the bottom of the supporting leg is clamped on the top side wall of the lacing plate at the lower part of the lattice column; the telescopic adjusting rods are adjusted again so that the lengths of all the supporting legs are the same, and the telescopic adjusting rods are screwed down;
step four, a second group of the scissor support structures are installed on the lattice column in the mode of step one to step three, the second group of the scissor support structures penetrate into the lattice column in the direction perpendicular to the installation direction of the first group of the scissor support structures during installation, after the second group of the scissor support structures are installed, two groups of the scissor support structures form scissor supports in the lattice column in a crisscross mode respectively, and the supporting legs of the two groups of the scissor support structures are fixed on four side faces of the lattice column respectively and are embedded into the top side walls of the lacing plates at the lower part of the lattice column;
step five, leveling the folding template by adjusting the lengths of a plurality of the supporting legs again;
step six, firstly removing a second group of the scissor support structures, and then removing a first group of the scissor support structures; when the scissor support structure is dismantled, the supporting legs are shortened upwards by rotating the telescopic adjusting rods on the upper parts of the supporting legs, at the moment, the U-shaped grooves are separated from the upper parts of the lacing plates, the scissor support structure is rotated again, the scissor support structure is folded and contracted, the scissor support structure is taken out from the inside of the lattice column through the gaps, and then the folding template is gradually taken out.
The application has the beneficial effects that:
the supporting framework and the construction method for the lattice column top plate support can solve the problems of leakage and uneven appearance of a structure after concrete pouring caused by high difficulty in supporting a template at the lattice column top plate position, easy leakage of a mould and difficult compaction during concrete vibration. The folding template and the two groups of scissor support structures are folded and sequentially penetrated into the latticed column to be unfolded, the latticed column is flattened at the bottom elevation of the structural top plate, the folded template is supported by a support which is unfolded to be in a scissor support form, the telescopic adjusting rod of the support is adjusted to enable the support to be embedded into the lacing plate to fix the position of the support, and the support is erected. The hinge is arranged to connect the single small templates to form the integral folding template, so that uneven settlement between the independent templates is reduced, and the uniformity and the overall flatness between the template joints are ensured. Through the design folding stull structure for originally the great support body of volume can penetrate latticed post inner space through narrow gap, forms good atress support system. Through setting up adjustable telescopic adjusting pole, can adjust the length of supporting system, all can satisfy the construction requirement when construction different positions, lattice column lacing plate and structure roof end apart from inconsistent. The formwork support system is high in accuracy, easy to install and remove and capable of being reused.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present application and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a folding template according to an embodiment of the present application;
fig. 2 is a schematic view of a structure of a scissors stay according to an embodiment of the present application;
FIG. 3 is a schematic view of a supporting leg according to an embodiment of the present application;
FIG. 4 is a schematic view of a support frame according to an embodiment of the present application;
FIG. 5 is a schematic view of a support frame according to an embodiment of the present application;
fig. 6 is a schematic view of a concrete poured after the support frame according to the embodiment of the present application is installed.
Icon: 1-a first template; 2-a second template; 3-hinges; 4-connecting a screw; 5-supporting plates; 6-positioning a screw; 7-supporting legs; 8-a telescopic adjusting rod; 9-horizontal bars; a 10-U-shaped groove; 11-angle steel; 12-a lacing plate; 13-concrete.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "upper", "lower", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship in which the inventive product is conventionally put in use, are merely for convenience of describing the present application and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore, should not be construed as limiting the present application.
Furthermore, in the present application, unless expressly stated or limited otherwise, a first feature may include first and second features being in direct contact, either above or below a second feature, or through additional feature contacts therebetween, rather than being in direct contact. Moreover, the first feature being above, over, and on the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being below, beneath, and beneath the second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is less level than the second feature.
Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
Examples:
referring to fig. 1, referring to fig. 2 to 6 in combination, the present application provides a supporting frame, which mainly includes a folding template, two groups of scissors supporting structures and a plurality of supporting feet; wherein, two groups of scissors support structures form an X shape together and are respectively arranged at the bottom of the folding template in an opening and closing adjustable way, one group of scissors support structures are arranged along the width direction of the folding template, and the other group of scissors support structures are arranged along the length direction of the folding template; the supporting legs are arranged at intervals on the bottoms of the corresponding scissor supporting structures in a height-adjustable mode, and the folding template is leveled by adjusting the heights of the supporting legs.
Further, the folding template comprises a first template 1 and a second template 2 which can be unfolded and folded, the first template 1 is hinged with the second template 2 through a plurality of hinges 3, and the hinges 3 are arranged at intervals in parallel. The folding template can be folded or spread by adjusting the angle between the first template 1 and the second template 2, the first template 1 and the second template 2 are identical in size, and can be closely attached in parallel, and can be spread on the same straight line. The first template 1 and the second template 2 can be turned over, folded or unfolded through the hinge 3, the area of each first template 1 and each second template 2 is half of the internal cross section area of the lattice column, when the first template 1 and the second template 2 are erected, the folding template penetrates into the lattice column through a gap between the angle steel 11 of the lattice column and the lacing plate 12, after penetrating, the folding template can be turned over through the hinge 3, and the folding template is unfolded and flattened at the bottom elevation of the top plate of the structure to be attached to the internal space of the lattice column, and then two groups of scissor structures can be sequentially penetrated into the lattice column through the gap and unfolded to support the template.
Simultaneously, each group of scissors supporting structures comprises a connecting screw 4 and two supporting plates 5, and the middle parts of the two supporting plates 5 are hinged into an X shape through the connecting screw 4. The first template 1 is placed on the top end of one of the support plates 5, and the second template 2 is placed on the top end of the other support plate 5 for supporting the folding template. When the folding template is folded, the two support plates 5 are folded, and the included angle between the two support plates is minimum; when the folding template is tiled, the two support plates 5 are unfolded, and the included angle between the two support plates is the largest. The supporting plate 5 of the scissors supporting structure is made of two overlapped and contracted square flat steels, and is connected together through the connecting screw 4 at the intersection of the middle parts, and can be rotated and unfolded around the point.
In addition, a threaded connection passage is provided on the bottom side wall of each support plate 5, and the connection passage penetrates through both ends of the side wall along the length direction of the side wall. The supporting legs comprise positioning screws 6, the positioning screws 6 are inserted into the connecting channels in a threaded mode, and two ends of each positioning screw are fastened on the supporting plate 5 through nuts, so that the effect that the supporting legs are detachably connected to the bottom side of the supporting plate 5 is achieved. The two ends of the bottom of the positioning screw rod 6 are respectively vertically and detachably connected with the supporting feet 7, the supporting feet 7 can be hinged with the positioning screw rod 6, scale marks are arranged on the supporting feet 7 along the height direction, the middle part of the supporting feet 7 is sleeved with the telescopic adjusting rod 8, and the height of the supporting feet 7 can be adjusted by rotating the telescopic adjusting rod 8. The support leg 7 is provided with a telescopic adjusting rod 8, the bottom of the support leg is in a U-shaped groove shape, and the telescopic adjusting rod 8 can be used for telescopic adjusting the length of the support leg 7 in a certain range. Therefore, when the folding template needs to be leveled, only the height of each leg 7 needs to be adjusted to the same height. A horizontal rod 9 which is horizontally arranged is connected to the lower part of the support leg 7; a U-shaped groove 10 is arranged at the bottom of one end of the horizontal rod 9, and the U-shaped groove 10 is vertically arranged.
In addition, the embodiment also provides a construction method for supporting the top plate of the lattice column, which solves the problem that the structure finally causes water leakage due to the conditions of small internal space of the lattice column, irregular supporting of the template, large gap, slurry leakage in the casting process of the concrete 13 and difficult vibration compaction when the lattice column penetrates through the top plate. The construction is carried out by mainly adopting the supporting framework, and mainly comprises the following steps:
step one, determining the position of the elevation of the plate bottom of the top plate penetrated by the lattice column, and marking the interior of the lattice column with red paint; penetrating the folded folding template into the lattice column from a gap between the angle steel 11 and the batten plate 12 at the upper part of the lattice column, overturning the folding template through the hinge 3 on the folding template, unfolding and tiling the folding template, and placing the folding template at the plate bottom elevation of the top plate marked by red paint so that the folding template is just attached to the inner space of the lattice column;
step two, penetrating the first group of contracted scissor support structures into the lattice column through the gaps, and then expanding the first group of contracted scissor support structures into a scissor support mode around the connecting screw rods 4 at the crossing points, wherein the expanded scissor support structures are used for supporting the folding templates above;
thirdly, the supporting legs are connected with the supporting plate 5 through the positioning screw rods 6, the direction of the supporting legs 7 is adjusted to keep a vertical downward mode, then the telescopic adjusting rods 8 on the supporting legs 7 are rotated to telescopically adjust the length of the supporting legs 7, the U-shaped grooves 10 at the bottoms of the supporting legs 7 can be just clamped above the lattice column lacing plates 12, the telescopic length of each supporting leg 7 on the scissor supporting structure can be controlled to be consistent through scales on the supporting legs 7, the telescopic adjusting rods 8 are screwed again and then the positions of the telescopic adjusting rods are fixed to be used as supporting points of the scissor supporting structure on the upper portion, and the flatness of the folding template can be guaranteed;
step four, a second group of scissor support structures are arranged on the lattice column according to the mode of the step one to the step three, the second group of scissor support structures penetrate into the lattice column in the direction perpendicular to the installation direction of the first group of scissor support structures during installation, after the second group of scissor support structures are installed, the two groups of scissor support structures form a cross in the lattice column, and each supporting leg 7 of the two groups of scissor support structures is fixed on four side surfaces of the lattice column and embedded into the top side wall of a lacing plate 12 at the lower part of the lattice column, and a good stressed support system can be formed in the lattice column through the fixation of the four supporting legs 7, so that the stability of the whole frame body and the template is ensured;
fifthly, after the whole formwork support system is installed, the position of each supporting leg 7 can be finely adjusted finally to control the flatness and elevation of the whole folding formwork, so that the folding formwork can be horizontally arranged on the upper part of the scissor support structure; after the adjustment is finished, the whole template supporting system is installed, and the subsequent process is carried out;
step six, in the pouring process of the concrete 13, the support framework can provide good stability, so that the concrete 13 can be vibrated and compacted, and the appearance is smooth; after the concrete 13 is poured and the formwork removing condition is met, the formwork can be removed, the scissor support structure which is installed after the formwork is removed, and then the scissor support structure which is installed before the formwork is removed; firstly, the supporting legs 7 are shortened upwards by rotating the telescopic adjusting rods 8 at the upper parts of the supporting legs 7, at the moment, the U-shaped grooves 10 are separated from the upper parts of the lacing plates 12, and the scissor support structure is rotated again to enable the scissor support structure to be folded and contracted slowly and then taken out from the interior of the lattice column through the gaps; and gradually taking out the scissor support structure and the folding template, and removing the whole template support system.
The construction method effectively solves the problem that the formwork and the support are difficult to install due to the fact that the inner space of the lattice column is small when the lattice column penetrates through the top plate of the main body structure for construction, can ensure that the joints of the formwork are neat after the formwork is installed, the concrete 13 is compact in vibration and does not leak slurry and run out of the formwork, and therefore the joint is guaranteed to have a good waterproof effect.
In summary, the supporting framework and the construction method for the lattice column top plate supporting structure can solve the problems of leakage and uneven appearance of the structure after pouring the concrete 13 caused by large difficulty in supporting the template at the lattice column top plate part, easy leakage of the template and difficult compaction during vibrating the concrete 13, and the method is simple to operate in the construction process, convenient to detach after pouring the concrete 13, can achieve a very good effect, and ensures the entity quality of a main structure. Folding the folding template and the two groups of scissor support structures, penetrating the folding template and the two groups of scissor support structures into the lattice column to expand, spreading the lattice column on the bottom elevation of the structural top plate, supporting the folding template by using a support which is expanded into a scissor support form, adjusting the telescopic adjusting rod 8 of the support leg 7 to enable the support leg 7 to be embedded into the lacing plate 12 to fix the position of the support leg, and erecting the support. The hinge 3 is arranged to connect the single small templates to form the integral folding template, so that uneven settlement between the independent templates is reduced, and the uniformity and the overall flatness between the template joints are ensured. Through the design folding stull structure for originally the great support body of volume can penetrate latticed post inner space through narrow gap, forms good atress support system. Through setting up adjustable telescopic adjustment pole 8, can adjust the length of braced system, all can satisfy the construction requirement when construction different positions, lattice column batten plate 12 and structure roof bottom distance are inconsistent. The formwork support system is high in accuracy, easy to install and remove and capable of being reused.
The above description is only of the preferred embodiments of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (5)
1. The construction method for the lattice column top plate support adopts a support framework for construction, wherein the support framework comprises a folding template, two groups of scissor supporting structures and a plurality of supporting feet; the two groups of the scissor support structures jointly form an X shape and are respectively arranged at the bottom of the folding template in an opening and closing adjustable manner, wherein one group of the scissor support structures is arranged along the width direction of the folding template, and the other group of the scissor support structures is arranged along the length direction of the folding template; the supporting legs are arranged on the bottoms of the corresponding scissor support structures at intervals in a height adjustable mode, and the folding template is leveled by adjusting the heights of the supporting legs; the method is characterized by comprising the following steps of:
step one, determining the position of the elevation of the bottom of the top plate penetrated by the lattice column, and marking; penetrating the folded folding template into the lattice column from a gap between the angle steel and the batten plate at the upper part of the lattice column, unfolding and tiling the folded template after overturning, and placing the folding template at the elevation of the plate bottom marked by the top plate to enable the folding template to be attached to the internal space of the lattice column;
step two, penetrating the first group of contracted scissor support structures into the lattice column through the gaps and then expanding the first group of contracted scissor support structures into a scissor support mode for supporting the folding template;
step three, rotating the support legs in the support legs to enable the support legs to vertically downwards; rotating a telescopic adjusting rod on the supporting leg to adjust the length of the supporting leg so that a U-shaped groove at the bottom of the supporting leg is clamped on the top side wall of the lacing plate at the lower part of the lattice column; the telescopic adjusting rods are adjusted again so that the lengths of all the supporting legs are the same, and the telescopic adjusting rods are screwed down;
step four, a second group of the scissor support structures are installed on the lattice column in the mode of step one to step three, the second group of the scissor support structures penetrate into the lattice column in the direction perpendicular to the installation direction of the first group of the scissor support structures during installation, after the second group of the scissor support structures are installed, two groups of the scissor support structures form scissor supports in the lattice column in a crisscross mode respectively, and the supporting legs of the two groups of the scissor support structures are fixed on four side faces of the lattice column respectively and are embedded into the top side walls of the lacing plates at the lower part of the lattice column;
step five, leveling the folding template by adjusting the lengths of a plurality of the supporting legs again;
step six, firstly removing a second group of the scissor support structures, and then removing a first group of the scissor support structures; when the scissor support structure is dismantled, the supporting legs are shortened upwards by rotating the telescopic adjusting rods on the upper parts of the supporting legs, at the moment, the U-shaped grooves are separated from the upper parts of the lacing plates, the scissor support structure is rotated again, the scissor support structure is folded and contracted, the scissor support structure is taken out from the inside of the lattice column through the gaps, and then the folding template is gradually taken out.
2. The construction method for the roof support of the lattice column according to claim 1, wherein the folding template comprises a first template and a second template which can be unfolded and folded, the first template is hinged with the second template through a plurality of hinges, and a plurality of hinges are arranged at parallel intervals.
3. The method of constructing a roof support for a lattice column of claim 2, wherein each set of the scissors structures comprises a connecting screw and two support plates, the middle parts of the two support plates are hinged into an X shape by the connecting screw, the first template is placed on the top end of one of the support plates, and the second template is placed on the top end of the other support plate.
4. A method for lattice column roof support construction according to claim 3, wherein the support feet comprise positioning screws; the positioning screw rods are detachably connected to the bottom sides of the corresponding supporting plates, and the two ends of the bottom of each positioning screw rod are vertically connected with supporting legs respectively; the support legs are provided with scale marks along the height direction, the middle part of the support legs are sleeved with a telescopic adjusting rod, and the height of the support legs can be adjusted by rotating the telescopic adjusting rod; the lower parts of the support legs are connected with horizontal rods which are horizontally arranged; the U-shaped groove is installed at the bottom of one end of the horizontal rod, and the U-shaped groove is vertically arranged.
5. The method of constructing a roof support for a lattice column of claim 4, wherein the legs are hinged to the set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210864744.2A CN115198764B (en) | 2022-07-21 | 2022-07-21 | Supporting framework and construction method for lattice column top plate support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210864744.2A CN115198764B (en) | 2022-07-21 | 2022-07-21 | Supporting framework and construction method for lattice column top plate support |
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| Publication Number | Publication Date |
|---|---|
| CN115198764A CN115198764A (en) | 2022-10-18 |
| CN115198764B true CN115198764B (en) | 2023-08-29 |
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| CN202210864744.2A Active CN115198764B (en) | 2022-07-21 | 2022-07-21 | Supporting framework and construction method for lattice column top plate support |
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| CN (1) | CN115198764B (en) |
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