CN219887290U - Steel bar truss floor support plate connected by adopting U-shaped ribs in buckled mode - Google Patents
Steel bar truss floor support plate connected by adopting U-shaped ribs in buckled mode Download PDFInfo
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- CN219887290U CN219887290U CN202321051323.4U CN202321051323U CN219887290U CN 219887290 U CN219887290 U CN 219887290U CN 202321051323 U CN202321051323 U CN 202321051323U CN 219887290 U CN219887290 U CN 219887290U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 112
- 239000010959 steel Substances 0.000 title claims abstract description 112
- 230000003014 reinforcing effect Effects 0.000 claims description 22
- 238000010276 construction Methods 0.000 description 18
- 210000003205 muscle Anatomy 0.000 description 9
- 239000002699 waste material Substances 0.000 description 3
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a steel bar truss floor support plate which is connected by adopting U-shaped ribs in a buckling way, wherein a plurality of steel bar trusses are paved on a bottom die at intervals along the width direction of the bottom die, each steel bar truss is arranged in parallel, and the bottom of each steel bar truss is fixedly connected with the bottom die; a plurality of U-shaped ribs are paved on the bottom die at intervals, and each U-shaped rib is provided with an open end and a closed end; one end of the U-shaped rib extends into the steel bar truss from one side of the bottom die and penetrates through the steel bar truss, and then penetrates out of the steel bar truss from the opposite side of the bottom die; a plurality of connecting ribs are further arranged on the upper side or the lower side of the closed end of the U-shaped rib, and the connecting ribs are fixedly connected with the upper side or the lower side of the closed end of the U-shaped rib; when two adjacent steel bar truss building carrier plates are connected, the closed end of one U-shaped rib and the closed end of the other U-shaped rib are enclosed to form an annular steel bar connection structure.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a steel bar truss floor support plate which is connected by adopting U-shaped ribs in a buckling way.
Background
At present, the prior art adopts a steel bar truss floor support plate of a triangular truss, and each truss is provided with two web member ribs and two lower chord ribs. The web member ribs lose the effect after the concrete above the floor support plate is poured and maintained, so that the waste of steel is caused. Meanwhile, the transverse steel bars of the existing steel bar truss floor support plate need to be arranged in an interpenetration mode on site, so that the construction difficulty is high, the construction period is long, and because the steel bar truss is of a triangular truss structure, the space for operation of construction workers is very limited, the construction operation is very inconvenient, and the construction period is further prolonged. The prior art generally adopts binding lap joint for field floor slab reinforcement, and lap joint length is very big, causes the reinforcing bar quantity to increase, increases field reinforcing bar work load simultaneously.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a steel bar truss floor support plate adopting U-shaped connection, so as to solve the problems of material waste, higher construction cost, large construction difficulty of field penetration arrangement of transverse steel bars, long construction period, narrow operation space of construction workers and large lap joint length caused by the fact that web member ribs lose effect after concrete pouring and curing in the prior art.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a plurality of steel bar trusses are paved on a bottom die at intervals along the width direction of the bottom die, each steel bar truss is arranged in parallel, and the bottoms of the steel bar trusses are fixedly connected with the bottom die; the steel bar truss is characterized in that a plurality of U-shaped ribs are paved on the bottom die at intervals, and the U-shaped ribs are arranged along the direction perpendicular to the length direction of the steel bar truss; the U-shaped rib is provided with an open end and a closed end; one end of the U-shaped rib extends into the steel bar truss from one side of the bottom die and penetrates through the steel bar truss, and then penetrates out of the steel bar truss from the opposite side of the bottom die; the U-shaped ribs are positioned in the steel bar truss, and the upper side and the lower side of the U-shaped ribs are fixedly connected with the steel bar truss respectively; a plurality of connecting ribs are further arranged on the upper side or the lower side of the closed end of the U-shaped rib, and the connecting ribs are fixedly connected with the upper side or the lower side of the closed end of the U-shaped rib; when two adjacent steel bar truss building carrier plates are connected, the closed end of one U-shaped rib and the closed end of the other U-shaped rib are enclosed to form an annular steel bar structure connection structure.
Preferably, the steel bar truss comprises an upper chord rib, a lower chord rib and a web member rib, wherein the web member rib is wavy, the crest of the web member rib is fixedly connected with the upper chord rib, and the lower chord rib is positioned on the upper side of the trough of the web member rib and is fixedly connected with the web member rib.
Preferably, a plurality of connection plates are paved on the bottom die along the length direction of the steel bar truss, and the connection plates are fixedly connected with the bottom die and fixedly connected with the trough of the web member rib in the steel bar truss.
Preferably, the U-shaped rib is further provided with at least one reinforcing rib, the reinforcing rib is positioned between two adjacent steel bar trusses, and two ends of the reinforcing rib are positioned at the joint of the two adjacent steel bar trusses and the U-shaped rib and fixedly connected with the lower side of the U-shaped rib; the middle part of the reinforcing rib protrudes upwards and is fixedly connected with the upper side of the U-shaped rib.
Preferably, a plurality of connecting members are arranged on the bottom die at positions corresponding to the U-shaped ribs, and each connecting member comprises a base, a fixing fastener and a connecting fastener; the base is fixedly connected with the bottom die, and the lower end of the fixing fastener is fixedly connected with the base; one end of the connecting fastener is rotationally connected with the fixed fastener through a rotating shaft, and the other end of the connecting fastener is detachably connected with the other end of the fixed fastener; the fixing fastener and the connecting fastener are provided with a fixing groove on opposite sides, so that a fixing hole can be formed after the fixing fastener and the connecting fastener are folded, and the connecting member is locked and fixed with the lower side of the U-shaped rib through the fixing hole.
Compared with the prior art, the utility model has the following advantages:
1. according to the utility model, the U-shaped ribs are adopted to connect a plurality of steel bar trusses in series, so that buckling lap joint between the steel bar trusses on two adjacent steel bar truss floor support plates can be realized, force transmission of steel bars can be effectively ensured when different product modules are spliced, meanwhile, the consumption and construction difficulty of traditional lap joint steel bars are reduced, the U-shaped ribs on two sides are buckled together only when the floor support plates are spliced, no additional connecting ribs or steel bar binding work is required, and the construction precision and the steel bar workload are greatly reduced; the buckling lap joint connection mode can effectively shorten the lap joint length, and the lap joint length can be effectively reduced by more than 60% on the basis of the prior art.
2. The U-shaped rib structure adopted by the utility model is simpler than that of a steel bar truss, and provides enough operation space for construction workers; moreover, U type muscle can form reinforcing bar network structure with the steel bar truss, and constructor can walk the operation on reinforcing bar network structure after the field installation, can effectively avoid constructor to step on the die block and damage that causes, not only can protect the die block, can also make the thickness of die block can further reduce, satisfies more design demands.
3. The utility model also adopts the structure of a single-piece steel bar truss, and each steel bar truss only adopts one web member rib, so that the consumption of the web member rib is reduced, and the construction cost can be reduced; meanwhile, the single-piece type steel bar trusses are connected through the U-shaped ribs, lateral rigidity is provided for the single-piece type steel bar trusses through the reinforcing ribs, and mechanical properties, rigidity and stability of the disassembly-free bottom die floor support plate are guaranteed.
Drawings
Fig. 1 is a schematic structural view of a steel bar truss floor carrier plate adopting U-shaped bar buckling connection.
Fig. 2 is a schematic structural diagram of two U-shaped ribs when connected.
Fig. 3 is a schematic structural diagram of two steel bar truss floor support plates connected by a U-shaped rib.
Fig. 4 is a schematic structural view of a steel bar truss according to the present utility model.
Fig. 5 is a schematic structural view of a connecting member in the present utility model.
In the figure: the bottom die 1, the U-shaped rib 2, the closed end 3, the connecting rib 4, the upper chord rib 5, the lower chord rib 6, the web member rib 7, the connecting plate 8, the reinforcing rib 9, the base 10, the fixing fastener 11, the connecting fastener 12, the rotating shaft 13 and the fixing groove 14.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
The utility model provides a steel bar truss floor support plate which is buckled and connected by adopting U-shaped ribs, as shown in figure 1, a plurality of steel bar trusses are paved on a bottom die at intervals along the width direction of the bottom die, each steel bar truss is arranged in parallel, and the bottoms of the steel bar trusses are fixedly connected with the bottom die 1; a plurality of U-shaped ribs 2 are paved on the bottom die at intervals, and the U-shaped ribs are arranged along the direction perpendicular to the length direction of the steel bar truss; the U-shaped rib is provided with an open end and a closed end 3. One end of the U-shaped rib 2 extends into the steel bar truss on one side of the bottom die and penetrates through the steel bar truss on the bottom die, and then penetrates out of the steel bar truss on the opposite side of the bottom die, so that the open end and the closed end of the U-shaped rib are located on the outer sides of the opposite sides of the bottom die, and subsequent connection operation is facilitated. The U-shaped rib is positioned in the steel bar truss, and the upper side and the lower side of the U-shaped rib are fixedly connected with the upper side and the lower side of the steel bar truss in a welded mode. The upper side or the downside of U type muscle blind end still are equipped with many connecting rods 4, connecting rods 4 and the fixed linking to each other of upside or downside of the blind end of U type muscle 2, connecting rods are located the outside of U type muscle like this, when the mill is processed U type muscle, alright weld connecting rods on U type muscle, on-the-spot just need carry out the makeup and just can realize the overlap joint. When two adjacent steel bar truss building carrier plates link to each other, as shown in fig. 2~3, the blind end of one of them U type muscle encloses with the blind end of another U type muscle and closes and form annular steel bar structure connection structure, and overlap joint length between the U type muscle that such overlap joint structure can shorten the horizontal setting by a wide margin no longer need carry out the overlap joint of big length like prior art. For example, for the tensile anchoring length of the HRB400 type steel bar with the length of 8mm in the four-level earthquake resistance, if the current common single steel bar lapping mode is adopted, the lap length of the plate bottom needs 448mm, and by adopting the buckling connection mode, the lap length only needs 168mm, and the lap length is reduced by 63%.
In some embodiments, a monolithic steel bar truss is adopted, as shown in fig. 4, and the monolithic steel bar truss comprises an upper chord rib 5, a lower chord rib 6 and a web member rib 7, wherein the web member rib is in a wave shape, the wave crest of the web member rib is fixedly connected with the upper chord rib, and the lower chord rib is positioned on the upper side of the trough of the web member rib and is fixedly connected with the web member rib. The single-piece steel bar truss has only one web member rib, so that the waste of the web member rib is avoided while the strength of the steel bar truss is ensured, and the consumption of the web member rib is reduced, thereby reducing the construction cost. A plurality of connecting plates 8 are paved on the bottom die along the length direction of the steel bar truss, and the connecting plates are fixedly connected with the bottom die and fixedly connected with the trough of the web member rib in the steel bar truss. The connecting plate is a thin metal plate, is paved in the bottom die and is fixedly connected with the bottom die, the connecting plate can be paved on the bottom die in a strip shape or is buried in the bottom die, and holes are formed in the position, corresponding to the steel bar truss, on the bottom die, so that the connecting plate is exposed out of the bottom die and is welded and connected with the trough of the web bar. A plurality of reinforcing ribs 9 are further arranged on the U-shaped ribs, single or a plurality of independent reinforcing ribs 9 can be designed according to design requirements, the reinforcing ribs are positioned between two adjacent steel bar trusses, and two ends of each reinforcing rib are positioned at the joint of the two adjacent steel bar trusses and the U-shaped ribs and fixedly connected with the lower sides of the U-shaped ribs; the middle part of the reinforcing rib protrudes upwards and is fixedly connected with the upper side of the U-shaped rib. When the width of the floor support plate is smaller, a single independent reinforcing rib is adopted; when the building carrier plate is large in block size, two independent reinforcing ribs are adopted and are correspondingly arranged at the positions of the steel bar trusses on the two opposite sides of the building carrier plate.
In other embodiments, as shown in fig. 5, a plurality of connecting members are arranged on the bottom die at positions corresponding to the U-shaped ribs, and the connecting members comprise a base 10, a fixing fastener 11 and a connecting fastener 12; the base is fixedly connected with the bottom die, and the lower end of the fixing fastener is fixedly connected with the base; one end of the connecting fastener is rotationally connected with the fixed fastener through a rotating shaft 13, and the other end of the connecting fastener is detachably connected with the other end of the fixed fastener; the opposite sides of the fixing fastener and the connecting fastener are respectively provided with a fixing groove 14, so that a fixing hole can be formed after the fixing fastener and the connecting fastener are folded, and the connecting member is locked and fixed with the lower side of the U-shaped rib through the fixing hole. Wherein, the one end that the pivot was kept away from to the connection fastener is equipped with a fixing bolt, and after fixing bolt passed the one end that the pivot was kept away from to the connection fastener and the one end that the pivot was kept away from to the fixing fastener, link to each other through the thread tightening with the two. When the U-shaped rib fixing device is used, the fixing bolt is rotated, connection between the connecting fastener and the fixing fastener is released, then the connecting fastener is rotated through the rotating shaft, so that the fixing groove on the connecting member is in an open state, then the lower side of the U-shaped rib is placed into the fixing groove, the connecting fastener is rotated again, the fixing bolt is locked, and the lower side of the U-shaped rib is locked in the fixing groove by the connecting member. Meanwhile, the connecting component is used for fixing the U-shaped rib on the bottom die, when constructors step on a steel bar net structure formed by splicing the U-shaped rib and the steel bar truss, the connecting component can also play a role in supporting and positioning the U-shaped rib, the U-shaped rib can be prevented from being displaced when stepping on, and the constructors are prevented from stepping on the bottom die in a free stepping mode in the construction process.
In other embodiments, when a plurality of steel bar truss floor carrier plates are spliced, the open ends of the U-shaped ribs can also be made into arc-shaped closed ends; or, if in the length direction of the steel bar truss, when the steel bar trusses of two adjacent floors need to be connected, two ends of the steel bar truss can also be made into arc-shaped closed ends, namely: the upper chord rib and the lower chord rib of the steel bar truss are connected through arc steel bars to form a whole; or the U-shaped ribs are replaced by steel bar trusses with arc closed ends, so that the bidirectional truss floor support plate is formed. The connection mode can be adopted under the conditions, so that the connection quantity of the steel bar truss floor support plates is increased, and different design and construction requirements are met.
The construction method comprises the following steps: finishing processing of the bottom die, the single-piece steel bar truss and the U-shaped rib in a factory, assembling the bottom die, the single-piece steel bar truss and the U-shaped rib into a steel bar truss floor support plate, and simultaneously finishing welding of the connecting rib and the reinforcing rib in the factory; and then transporting the building carrier plates to a construction site for assembly, and realizing the buckling connection of the U-shaped steel bars, namely completing the connection between the steel bar truss building carrier plates.
The present utility model is not limited to the above embodiments, and the same or similar structures as those of the above embodiments of the present utility model are adopted, and all the structures are within the scope of the present utility model.
Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the technical solution, and those skilled in the art should understand that modifications and equivalents may be made to the technical solution of the present utility model without departing from the spirit and scope of the present utility model, and all such modifications and equivalents are included in the scope of the claims.
Claims (5)
1. A plurality of steel bar trusses are paved on a bottom die at intervals along the width direction of the bottom die, each steel bar truss is arranged in parallel, and the bottoms of the steel bar trusses are fixedly connected with the bottom die (1); the steel bar truss is characterized in that a plurality of U-shaped ribs (2) are also paved on the bottom die at intervals, and the U-shaped ribs are arranged along the direction perpendicular to the length direction of the steel bar truss; the U-shaped rib is provided with an open end and a closed end (3);
one end of the U-shaped rib extends into the steel bar truss from one side of the bottom die and penetrates through the steel bar truss, and then penetrates out of the steel bar truss from the opposite side of the bottom die; the U-shaped ribs are positioned in the steel bar truss, and the upper side and the lower side of the U-shaped ribs are fixedly connected with the steel bar truss respectively;
a plurality of connecting ribs (4) are further arranged on the upper side or the lower side of the closed end of the U-shaped rib, and the connecting ribs are fixedly connected with the upper side or the lower side of the closed end of the U-shaped rib;
when two adjacent steel bar truss building carrier plates are connected, the closed end of one U-shaped rib and the closed end of the other U-shaped rib are enclosed to form an annular steel bar structure.
2. The steel bar truss floor support plate adopting the U-shaped rib buckling connection according to claim 1, wherein the steel bar truss comprises an upper chord rib (5), a lower chord rib (6) and a web member rib (7), the web member rib is wavy, the crest of the web member rib is fixedly connected with the upper chord rib, and the lower chord rib is positioned on the upper side of the trough of the web member rib and fixedly connected with the web member rib.
3. The steel bar truss floor support plate adopting the U-shaped rib buckling connection according to claim 2, wherein a plurality of connecting plates (8) are paved on the bottom die along the length direction of the steel bar truss, and the connecting plates are fixedly connected with the bottom die and fixedly connected with the trough of the web member rib in the steel bar truss.
4. The steel bar truss floor support plate adopting the U-shaped rib buckling connection according to claim 1 is characterized in that at least one reinforcing rib (9) is further arranged on the U-shaped rib, the reinforcing rib is positioned between two adjacent steel bar trusses, and two ends of the reinforcing rib are positioned at the joint of the two adjacent steel bar trusses and the U-shaped rib and fixedly connected with the lower side of the U-shaped rib; the middle part of the reinforcing rib protrudes upwards and is fixedly connected with the upper side of the U-shaped rib.
5. The steel bar truss floor support plate adopting the U-shaped rib buckling connection according to claim 1, wherein a plurality of connecting members are arranged on the bottom die at positions corresponding to the U-shaped ribs, and the connecting members comprise a base (10), a fixing fastener (11) and a connecting fastener (12); the base is fixedly connected with the bottom die, and the lower end of the fixing fastener is fixedly connected with the base; one end of the connecting fastener is rotationally connected with the fixed fastener through a rotating shaft (13), and the other end of the connecting fastener is detachably connected with the other end of the fixed fastener; one opposite sides of the fixing fastener and the connecting fastener are respectively provided with a fixing groove (14), so that a fixing hole can be formed after the fixing fastener and the connecting fastener are folded, and the connecting member is locked and fixed with the lower side of the U-shaped rib through the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051323.4U CN219887290U (en) | 2023-05-05 | 2023-05-05 | Steel bar truss floor support plate connected by adopting U-shaped ribs in buckled mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321051323.4U CN219887290U (en) | 2023-05-05 | 2023-05-05 | Steel bar truss floor support plate connected by adopting U-shaped ribs in buckled mode |
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| Publication Number | Publication Date |
|---|---|
| CN219887290U true CN219887290U (en) | 2023-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321051323.4U Active CN219887290U (en) | 2023-05-05 | 2023-05-05 | Steel bar truss floor support plate connected by adopting U-shaped ribs in buckled mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219887290U (en) |
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- 2023-05-05 CN CN202321051323.4U patent/CN219887290U/en active Active
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