Steel bar truss floor support plate

Abstract

The application relates to a steel bar truss floor support plate which comprises a steel bar truss, a supporting plate and a supporting mechanism, the steel bar truss is arranged on the supporting plate; the supporting mechanism comprises a steel strand assembly, a plurality of groups of telescopic supporting rods, two horizontally-parallel steel beams, the steel beams support and connect the supporting plate, the two ends of the steel strand assembly are fixedly connected with the steel beams on one side, the telescopic supporting rods in each group are arranged in a spacing mode along the length direction of the steel strand assembly, and the telescopic length of the telescopic supporting rods in each group gradually shortens from the middle part to the two ends of the steel strand assembly; one group of telescopic supporting rods comprises two telescopic supporting rods, the upper ends of the telescopic supporting rods are connected with the supporting plate, the lower ends of the telescopic supporting rods are connected with the steel strand assembly, and the lower ends of the two telescopic supporting rods have an included angle, and the upper ends of the two telescopic supporting rods are symmetrically arranged with the steel strand assembly as the center. The application has the effect of conveniently supporting a large-span floor support plate.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of floor structure, in particular to a steel bar truss floor support plate. BACKGROUND

[0002] The steel bar truss floor support plate is a kind of non-supporting compression type combined floor support plate. The steel bar truss is processed in a background processing plant, and the compression plate is fixed on the steel beam by using a bolt nail before the steel bar truss is placed and bound on site, and then the concrete is poured after acceptance.

[0003] The steel bar truss floor support plate can significantly reduce the amount of steel bar binding on site, speed up the construction progress, increase the construction safety guarantee, and realize civilized construction.

[0004] However, when constructing a large-span steel bar truss floor support plate, temporary supports such as scaffolding brackets or full-frame supports need to be erected, which requires multiple erection procedures and takes time. SUMMARY

[0005] In order to realize convenient support of a large-span steel bar truss floor support plate, the present application provides a steel bar truss floor support plate.

[0006] The steel bar truss floor support plate provided by the present application adopts the following technical solution:

[0007] A steel bar truss floor support plate, comprising a steel bar truss, a support plate and a support mechanism, the steel bar truss is arranged on the support plate; the support mechanism comprises a steel strand assembly, a plurality of sets of telescopic support members, and two horizontal parallel steel beams, the steel beams support and connect the support plate, the two ends of the steel strand assembly are fixedly connected with one side of the steel beam, and each set of telescopic support rod is arranged in a length direction of the steel strand assembly, the telescopic length of each set of telescopic support rod gradually shortens from the middle to the two ends of the steel strand assembly; one set of the telescopic support rod comprises two telescopic support rods, the upper end of the telescopic support rod is connected with the support plate, the lower end of the telescopic support rod is connected with the steel strand assembly, and the lower ends of the two telescopic support rods have an included angle, and the upper ends of the two telescopic support rods are symmetrically arranged with the steel strand assembly as the center.

[0008] By adopting the technical scheme, the supporting plate, the steel bar truss, the steel strand assembly and the telescopic supporting rod are sequentially installed, the steel beam can be a steel structure beam body, and the telescopic supporting rod is elongated along the length direction of the telescopic supporting rod, the telescopic length of each telescopic supporting rod gradually decreases from the middle part of the steel strand assembly to the two ends, the steel strand assembly is gradually tightened, the stress of the steel strand assembly is applied to the supporting plate through the telescopic supporting rod, the stress is more strongly applied to the middle part of the supporting plate, the supporting plate is effectively supported, the supporting structure is simple, and the installation is convenient, the erection time of temporary supports such as scaffolds is saved, and time and labor are saved.

[0009] In addition, the two telescopic supporting rods and the supporting plate jointly form a triangular structure, the supporting stability is high, the supporting range of the two telescopic supporting rods on the supporting plate is large, and the supporting stability is further improved.

[0010] In addition, the supporting mechanism can be quickly removed after the steel bar truss floor support plate is constructed, and is repeatedly used, or is permanently retained to strengthen the bearing capacity of the steel bar truss floor support plate.

[0011] Optionally, the telescopic supporting rod comprises a rod body and a sleeve, the lower end of the rod body is connected with the steel strand assembly, the upper end of the sleeve is connected with the supporting plate, the lower end of the sleeve is sleeved on the upper end of the rod body, and the sleeve and the rod body are threadedly connected.

[0012] By adopting the technical scheme, the sleeve is rotated, the thread connection is utilized, the position between the sleeve and the rod body is adjusted, and the telescopic effect of the telescopic supporting rod is controlled.

[0013] Optionally, the steel strand assembly comprises a plurality of steel strands and connecting plates, the connecting plates and the steel strands are alternately arranged, the two ends of the connecting plate are fixedly connected with the end portions of the steel strands on one side, the end portions of the steel strands at the head and tail ends are fixedly connected with the steel beam, the upper end of the telescopic supporting rod is connected with the ball head of the supporting plate, the lower ends of two telescopic supporting rods of one group are connected on the same connecting plate, and the lower ends of the two telescopic supporting rods are respectively connected with the ball heads on one side in the length direction of the connecting plate.

[0014] The supporting effect of the supporting mechanism on the supporting plate is greatly dependent on the tension degree of the steel strand, by adopting the technical scheme, the position freedom degree of the telescopic supporting rod is high by virtue of the ball head connection, when the telescopic supporting rod is elongated to tighten the steel strand, the steel strand will be forced to deviate downward and be tightened, and the two ends of the connecting plate will also deviate in the horizontal plane to further straighten the steel strand, that is, the connecting plate is arranged to exert the tightening force on the steel strand in two direction dimensions (in the horizontal plane and the vertical plane), so that the tension degree of the steel strand is greatly improved, and the supporting effect on the supporting plate is further improved.

[0015] Optionally, the bottom surface of the supporting plate is provided with a first hemispherical groove, the upper end of the telescopic supporting rod is fixed with a first ball head located in the first hemispherical groove, the bottom surface of the supporting plate is fixed with a first ball head sleeve for limiting the first ball head from separating from the first hemispherical groove, and the first ball head sleeve is fixedly connected with the supporting plate through a first bolt; the surface of the connecting plate is provided with a second hemispherical groove, the lower end of the telescopic supporting rod is fixed with a second ball head located in the second hemispherical groove, the surface of the connecting plate is fixed with a second ball head sleeve for limiting the second ball head from separating from the second hemispherical groove, and the second ball head sleeve is fixedly connected with the connecting plate through a second bolt.

[0016] By adopting the technical scheme, the stability of the ball head connection can be improved.

[0017] Optionally, the bottom of the steel bar truss is fixed with a connecting seat, and the connecting seat, the supporting plate and the first ball head sleeve are fixedly connected through the first bolt.

[0018] By adopting the technical scheme, the connecting strength and stress stability between the supporting node of the telescopic supporting rod and the steel bar truss can be improved.

[0019] Optionally, the rib plate is fixedly connected between the two second ball head sleeves, and the side edge of the rib plate abuts against the upper surface of the connecting plate.

[0020] By adopting the technical scheme, when the supporting plate is pressed to transmit the force to the telescopic supporting rod, the second ball head has a tendency of position deviation, and the rib plate can make the forces between the two second ball heads offset each other, so that the force transmission efficiency of the telescopic supporting rod directly transmitted to the connecting plate and the steel strand is improved, and the supporting effect is improved.

[0021] Optionally, the steel beam is an I-shaped steel, the supporting mechanism further comprises a stress steel pipe, the two ends of the stress steel pipe abut against the inner sides of the steel beam, the middle part of the stress steel pipe is arched upward, the middle part of the stress steel pipe is located directly below the connecting plate at the middle part of the steel strand assembly, and the middle part of the stress steel pipe is connected with the adjacent connecting plate through a force transmission piece.

[0022] By adopting the technical scheme, when the span of the steel bar truss floor support plate is too large to increase the support requirement, the force of the support plate can be transmitted to the arching position of the force bearing steel pipe through the telescopic support rod, the connecting plate and the force transmission member, and then the force is transmitted along the length of the force bearing steel pipe to the steel beams on both sides in the outward inclined direction, that is, the steel beams are used to further support the support plate.

[0023] In addition, the arched force bearing steel pipe has strong resistance to downward deformation, so that the ability to resist the downward force of the support plate is stronger.

[0024] Optionally, the force bearing steel pipe is provided as two, the arched middle parts of the two force bearing steel pipes abut against each other, and the abutting position between the two force bearing steel pipes is located directly below the steel strand assembly, and the end parts of the two force bearing steel pipes are arranged away from each other in the horizontal plane.

[0025] By adopting the technical scheme, when the arched middle part of the force bearing steel pipe is under pressure, the force bearing steel pipe will deform in two directions, one is that the arched middle part of the force bearing steel pipe moves downward in the vertical plane, and the other is that the arched middle part of the force bearing steel pipe abuts against the arched middle part of the other force bearing steel pipe in the horizontal plane, so as to decompose and resist the downward pressure respectively, thereby increasing the pressure bearing capacity of the force bearing steel pipe and improving the support effect of the support plate.

[0026] Optionally, the force transmission member includes a clamp, an internally threaded sleeve, a first screw and a second screw, the clamp clamps the middle parts of the two force bearing steel pipes, one end of the first screw is fixed with the clamp, one end of the second screw is fixedly connected with the bottom surface of the adjacent connecting plate, the internally threaded sleeve has a bidirectional thread, and the internally threaded sleeve is sleeved on the first screw and the second screw.

[0027] By adopting the technical scheme, by rotating the internally threaded sleeve, the first screw and the second screw are moved away from each other, so that the force on the connecting plate can be more directly transmitted to the arched middle part of the force bearing steel pipe, and by moving the first screw and the second screw, a prestress is applied to the force bearing steel pipe to improve the support effect.

[0028] Optionally, a decorative plate is further included, the steel beam is an I-beam, and the two sides of the decorative plate are provided with horizontal telescopic edges which extend into the inside of the steel beam.

[0029] By adopting the technical scheme, when the support mechanism needs to be used as permanent support, the support mechanism can be hidden by the decorative plate, so as to improve the aesthetic appearance, and the horizontal telescopic edges facilitate the installation between the decorative plate and the steel beam.

[0030] In summary, the present application has at least one of the following beneficial technical effects:

[0031] 1. The utility model discloses a supporting structure which is characterized by setting a steel strand assembly and a telescopic supporting rod, stretching the steel strand assembly by the telescopic supporting rod, and applying stress of the steel strand assembly to the supporting plate through the telescopic supporting rod, thereby effectively supporting the supporting plate, and the supporting structure is simple in structure and convenient to install, saves time and labor for erection of temporary supports such as scaffolds.

[0032] 2. The utility model discloses a steel strand assembly which is formed by setting a steel strand and a connecting plate, and when the telescopic supporting rod is elongated to tighten the steel strand, the steel strand is applied with tightening forces in two directions (in a horizontal plane and a vertical plane), thereby greatly improving the stretching degree of the steel strand and further improving the supporting effect on the supporting plate.

[0033] 3. The utility model discloses a force-bearing steel pipe which can bear the force from the connecting plate, and the force is transmitted along the length of the force-bearing steel pipe to the steel beams on both sides in an outwardly inclined direction, thereby further improving the supporting effect on the supporting plate. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 It is a schematic diagram of the overall structure of example 1.

[0035] Figure 2 It is a schematic diagram of the overall structure of example 1. Figure 1 It is a partial enlarged view of position A in FIG.

[0036] Figure 3 It is a schematic diagram of the overall structure of example 1. Figure 1 It is a sectional view of direction B-B in FIG.

[0037] Figure 4 It is a sectional view of direction C-C in FIG. Figure 1 It is a sectional view of direction C-C in FIG.

[0038] Figure 5 It is a schematic diagram of the overall structure of example 1.

[0039] Figure 6 It is a schematic diagram of the overall structure of example 2.

[0040] Figure 7 It is a schematic diagram of the overall structure of example 2.

[0041] Figure 8 It is a schematic diagram of the overall structure of example 2. Figure 6 It is a partial enlarged view of position D in FIG.

[0042] Figure 9 It is a schematic diagram of the overall structure of example 2.

[0043] Explanation of reference signs: 1, support plate; 2, steel bar truss; 3, telescopic supporting rod; 4, steel strand assembly; 5, force-bearing steel pipe; 6, force transmission member; 7, decorative plate; 10, supporting mechanism; 11, connecting seat; 20, steel beam; 201, side plate; 202, limiting plate; 31, rod body; 311, second half-spherical groove; 312, second ball head; 313, second ball head sleeve; 314, second bolt; 315, rib plate; 32, sleeve; 321, first half-spherical groove; 322, first ball head; 323, first ball head sleeve; 324, first bolt; 325, first nut; 41, steel strand; 42, connecting plate; 60, rhombic inner cavity; 61, clamp; 62, first screw rod; 63, second screw rod; 64, internally threaded sleeve; 71, horizontally telescopic edge. DETAILED DESCRIPTION

[0044] The following will be described in detail with reference to the accompanying drawings. Figures 1-9 The application is further described in detail.

[0045] Embodiment 1 of the application discloses a steel bar truss floor support plate.

[0046] Referring to Figure 1 , the steel bar truss floor support plate comprises a steel bar truss 2, a support plate 1 and a supporting mechanism 10, wherein the steel bar truss 2 is arranged on the support plate 1, part of the steel bar truss 2 is welded to the support plate 1, and the other part of the steel bar truss 2 is fixed to the support plate 1 through a connecting seat 11, the supporting mechanism 10 is used for supporting the bottom of the support plate 1, especially the large-span support plate 1, so as to improve the construction stability, and the erection time of temporary supports such as scaffolds is saved, which saves time and effort.

[0047] As shown in Figure 2 , the supporting mechanism 10 comprises a steel strand assembly 4, a plurality of telescopic supporting members and two horizontally and parallel arranged steel beams 20, wherein the steel beam 20 can be a ready-made beam body, the steel beam 20 is an I-beam, and the steel beam 20 is used for supporting the support plate 1, according to actual conditions, the support plate 1 can be connected with the steel beam 20 by using a bolt; the inner side of the steel beam 20 is welded with a vertically arranged side plate 201, the steel strand assembly 4 comprises a plurality of steel strands 41 and a plurality of connecting plates 42, the connecting plates 42 and the steel strands 41 are alternately arranged at intervals, the steel strands 41 are arranged along the length direction of the support plate 1, the two ends of the connecting plate 42 are respectively fixedly connected with the end portions of the steel strands 41 on one side, and the end portions of the steel strands 41 at the head and tail ends of the steel strand assembly 4 are respectively fixedly connected to the side plate 201 of the steel beam 20 on one side.

[0048] As shown in Figure 2 , Figure 3As shown, each group of telescopic support rods 3 is arranged at intervals along the length direction of the steel strand assembly 4. In this embodiment, there are five groups of telescopic support rods 3, and the telescopic length of each group of telescopic support rods 3 gradually shortens from the middle to both ends of the steel strand assembly 4. One group of telescopic support rods 3 includes two telescopic support rods 3, the upper end of each telescopic support rod 3 is connected with the support plate 1, and the lower ends of the two telescopic support rods 3 in one group are connected with the same connecting plate 42, and the lower ends of the two telescopic support rods 3 are connected with one side of the connecting plate 42 in the length direction, respectively. The lower ends of the two telescopic support rods 3 have an included angle therebetween, and the upper ends of the two telescopic support rods 3 are symmetrically arranged about the steel strand assembly 4, i.e., the two telescopic support rods 3 and the support plate 1 form a triangular structure.

[0049] As shown in Figure 3 The telescopic support rod 3 includes a rod body 31 and a sleeve 32. The upper end of the rod body 31 is inserted into the lower end of the sleeve 32 and is threadedly connected with the sleeve 32. The lower end of the rod body 31 is fixed with a second ball head 312, and the upper end of the sleeve 32 is fixed with a first ball head 322. The specific connection mode between the second ball head 312 of the rod body 31 and the connecting plate 42 is that a second hemispherical groove 311 is formed on the surface of the connecting plate 42, the second ball head 312 is located in the second hemispherical groove 311, and the surface of the connecting plate 42 is fixed with a second ball head sleeve 313 through a second bolt 314. The second ball head sleeve 313 clamps the spherical surface of the second ball head 312 exposed outside the second hemispherical groove 311, so as to limit the second ball head 312 from being separated from the connecting plate 42, thereby realizing the ball head connection between the lower end of the rod body 31 and the connecting plate 42. In addition, the two adjacent second ball head sleeves 313 are fixedly connected with a rib plate 315, and the side edge of the rib plate 315 abuts against the upper surface of the connecting plate 42, so as to strengthen the positional stability of the second ball head sleeve 313.

[0050] The specific connection mode between the upper end of the sleeve 32 and the bottom of the support plate 1 is that a first hemispherical groove 321 is formed on the bottom of the support plate 1, the first ball head 322 is located in the first hemispherical groove 321, and the bottom surface of the support plate 1 is fixed with a first ball head sleeve 323 through a first bolt 324. The first ball head sleeve 323 clamps the spherical surface of the first ball head 322 exposed outside the first hemispherical groove 321, so as to limit the first ball head 322 from being separated from the connecting plate 42, thereby realizing the ball head connection between the upper end of the sleeve 32 and the support plate 1. In addition, the head of the first bolt 324 is located at the upper portion, the first bolt 324 passes through the connecting seat 11, the support plate 1 and the first ball head sleeve 323 in sequence from top to bottom, and the lower end of the first bolt 324 is fixed with a first nut 325, i.e., the first bolt 324 fixedly connects the connecting seat 11, the support plate 1 and the first ball head sleeve 323 together.

[0051] The implementation principle of the embodiment 1 is that, during construction, the supporting plate 1 is first installed on the steel beam 20, then the steel bar truss 2 is placed on the supporting plate 1 and welded and fixed, part of the steel bar truss 2 is welded on the connecting seat 11, then the connecting seat 11 is fixed on the supporting plate 1 through the first bolt 324, then the steel strand assembly 4 is installed, the first and last ends of the steel strand 41 are tied and fixed on the side plates 201 of the two steel beams 20, then the telescopic supporting rod 3 is installed between the connecting plate 42 and the supporting plate 1, after installation, the relative position reference of the telescopic supporting rod 3 and the connecting plate 42 is shown in Figure 4 Finally, the sleeve 32 is rotated, the threaded connection is used to drive the sleeve 32 and the rod body 31 to move away from each other, the connecting plate 42 is used to gradually tighten the steel strand 41, at this time, the telescopic force of the telescopic supporting rod 3 will force the steel strand 41 to be offset downward and tightened, and will also drive the two ends of the connecting plate 42 to be offset in the horizontal plane to further straighten the steel strand 41 (as shown in Figure 5 ), thereby greatly improving the tension degree of the steel strand 41, and the stress of the steel strand 41 is applied to the supporting plate 1 through the telescopic supporting rod 3, thereby effectively supporting the supporting plate 1, the supporting structure is simple and convenient to install, saves the erection time of temporary supports such as scaffolds, and saves time and effort.

[0052] Finally, after pouring is completed, the supporting mechanism 10 can be quickly removed for repeated use, or can be permanently retained to strengthen the load-bearing capacity of the steel bar truss 2 floor slab.

[0053] Embodiment 2

[0054] The embodiment 2 is based on the embodiment 1 and is provided as follows, as shown in Figure 6 , Figure 7 , Figure 8 The supporting mechanism 10 further includes two force-bearing steel pipes 5, the inner sides of the steel beams 20 are fixed with two limiting plates 202, in the vertical plane, the middle parts of the force-bearing steel pipes 5 are arched upward, and the middle parts of the force-bearing steel pipes 5 are located directly below the connecting plate 42 of the middle part of the steel strand assembly 4, in the horizontal plane, the middle parts of the two force-bearing steel pipes 5 abut each other (see Figure 7 ), the end parts of the two force-bearing steel pipes 5 are arranged away from each other, and the two end parts of the force-bearing steel pipes 5 respectively extend into the inner sides of the steel beams 20 and abut on the inner walls of the steel beams 20 and the limiting plates 202.

[0055] As shown in Figure 9As shown, the middle part of the two force-bearing steel pipes 5 is connected with the adjacent connecting plate 42 through the force transmission member 6, specifically, the force transmission member 6 comprises a clamp 61, an internally-threaded sleeve 64, a first screw rod 62 and a second screw rod 63, wherein the clamp 61 is closed to clamp the middle part of the two force-bearing steel pipes 5 at the same time, and the inner side surfaces of the two clamps 61 enclose a diamond-shaped inner cavity 60; the first screw rod 62 is vertically arranged, the lower end of the first screw rod 62 is fixed on the clamp 61, the second screw rod 63 is coaxially arranged with the first screw rod 62, the upper end of the second screw rod 63 is fixed on the bottom surface of the connecting plate 42, the internally-threaded sleeve 64 has a bidirectional thread (not shown in the figure) therein, and the internally-threaded sleeve 64 is sleeved on the first screw rod 62 and the second screw rod 63 at the same time, that is, when the internally-threaded sleeve 64 is rotated in one direction, the first screw rod 62 and the second screw rod 63 can be driven to move away from each other to exert a downward force on the middle part of the force-bearing steel pipe 5, so that the force-bearing steel pipe 5 is in a relatively strong rigid retaining state.

[0056] When the span of the steel bar truss 2 floor slab is too large, the arched part of the force-bearing steel pipe 5 can be used to assist in supporting the connecting plate 42 to meet the support requirement of the supporting plate 1.

[0057] Specifically, when the pressure on the supporting plate 1 is sequentially transmitted to the arched middle part of the force-bearing steel pipe 5 through the telescopic support rod 3, the connecting plate 42 and the force transmission member 6, the force is transmitted along the length of the force-bearing steel pipe 5 to be transmitted to the steel beams 20 and the limiting plates 202 on both sides in an inclined outward direction, so as to further support the supporting plate 1 by using the steel beams 20, and the force-bearing steel pipe 5 has a strong vertical deformation resistance, so as to effectively resist the downward pressure from the supporting plate 1, thereby improving the support effect of the supporting plate 1.

[0058] When the support mechanism 10 needs to be used as a permanent support, a decorative plate 7 can be additionally arranged to shield and hide the support mechanism 10, specifically, the decorative plate 7 is horizontally arranged, the two sides of the decorative plate 7 are provided with horizontal telescopic edges 71, the horizontal telescopic edges 71 are slidably connected with the decorative plate 7 along the length direction of the supporting plate 1, during installation, the decorative plate 7 is first placed between the steel beams 20 on both sides, and then the horizontal telescopic edges 71 are moved to extend into the inner side of the steel beams 20, that is, the steel beams 20 are used to support the decorative plate 7 to complete the installation.

[0059] The above are the preferred embodiments of the present application, which do not limit the protection scope of the present application, therefore: any equivalent changes made on the structure, shape and principle of the present application shall be covered within the protection scope of the present application.

Claims

1. A steel trussed floor deck characterized by: The utility model provides a steel bar truss (2), support plate (1) and support mechanism (10), the steel bar truss (2) sets up on support plate (1), support mechanism (10) includes steel strand assembly (4), a plurality of groups of telescopic support, two horizontal parallelly arranged steel girders (20), the steel girders (20) support connection support plate (1), the both ends of steel strand assembly (4) are fixedly connected with the steel girders (20) of one side respectively, and each group telescopic support rod (3) is arranged and set apart along the length direction of steel strand assembly (4), and the telescopic length of each group telescopic support rod (3) gradually shortens from the direction of the middle part to both ends of steel strand assembly (4), one group telescopic support rod (3) includes two telescopic support rods (3), and the upper end of telescopic support rod (3) is connected with support plate (1), and the lower end of telescopic support rod (3) is connected with steel strand assembly (4), and there is an included angle between the lower end of two telescopic support rods (3), and the upper end of two telescopic support rods (3) is symmetrically arranged with steel strand assembly (4) as the center, telescopic support rod (3) includes rod body (31) and sleeve (32), the lower end of rod body (31) is connected with steel strand assembly (4), the upper end of sleeve (32) is connected with support plate (1), the lower end of sleeve (32) is sleeved on the upper end of rod body (31), and sleeve (32) is threadedly connected with rod body (31), steel strand assembly (4) includes a plurality of steel strands (41) and connecting plate (42), and connecting plate (42) is arranged and set apart alternately with steel strand (41), the both ends of connecting plate (42) are fixedly connected with the end of steel strand (41) of one side respectively, and the end of steel strand (41) located at the head and tail end is fixedly connected with the steel girders (20), the upper end of telescopic support rod (3) is ball head connected with support plate (1), and the lower end of two telescopic support rods (3) of one group is connected on the same connecting plate (42), and the lower end of two telescopic support rods (3) is connected with the one side ball head of the length direction of connecting plate (42) respectively.

2. The steel reinforced trussed floor deck according to claim 1, characterized in that: The bottom surface of support plate (1) is provided with a first hemispherical groove (321), the upper end of telescopic support rod (3) is fixed with a first ball head (322) located in the first hemispherical groove (321), the bottom surface of support plate (1) is fixed with a first ball head sleeve (323) for limiting the first ball head (322) from leaving the first hemispherical groove (321), the first ball head sleeve (323) is fixedly connected with support plate (1) through a first bolt (324), the surface of connecting plate (42) is provided with a second hemispherical groove (311), the lower end of telescopic support rod (3) is fixed with a second ball head (312) located in the second hemispherical groove (311), the surface of connecting plate (42) is fixed with a second ball head sleeve (313) for limiting the second ball head (312) from leaving the second hemispherical groove (311), the second ball head sleeve (313) is fixedly connected with connecting plate (42) through a second bolt (314).

3. The steel reinforced trussed floor deck according to claim 2, characterized in that: The bottom of the steel bar truss (2) is fixed with a connecting seat (11), the connecting seat (11), the supporting plate (1) and the first ball head sleeve (323) are fixedly connected through the first bolt (324).

4. The steel trussed floor deck according to claim 2, wherein: Rib plates (315) are fixedly connected between two adjacent second ball head sleeves (313), and the side edges of the rib plates (315) abut against the upper surfaces of the connecting plates (42).

5. The steel reinforced trussed floor deck according to claim 1, wherein: The steel beam (20) is an I-shaped steel, the supporting mechanism (10) further comprises force receiving steel pipes (5), the two ends of the force receiving steel pipes (5) abut against the inner sides of the steel beam (20), the middle parts of the force receiving steel pipes (5) are arched upwards, the middle parts of the force receiving steel pipes (5) are located directly below the connecting plates (42) of the middle parts of the steel strand assemblies (4), and the middle parts of the force receiving steel pipes (5) are connected with adjacent connecting plates (42) through force transmission pieces (6).

6. The steel reinforced trussed floor deck according to claim 5, wherein: The force receiving steel pipes (5) are provided in two, the arched middle parts of the two force receiving steel pipes (5) abut against each other, the abutment positions between the two force receiving steel pipes (5) are located directly below the steel strand assemblies (4), and the end parts of the two force receiving steel pipes (5) are arranged away from each other in the horizontal plane.

7. The steel reinforced trussed floor deck according to claim 6, characterized in that: The force transmission piece (6) comprises a clamp (61), an internally threaded sleeve (64), a first screw rod (62) and a second screw rod (63), the clamp (61) clamps the middle parts of the two force receiving steel pipes (5) at the same time, one end of the first screw rod (62) is fixed with the clamp (61), one end of the second screw rod (63) is fixedly connected with the bottom surface of an adjacent connecting plate (42), the internally threaded sleeve (64) is internally provided with bidirectional threads, and the internally threaded sleeve (64) is sleeved on the first screw rod (62) and the second screw rod (63) at the same time.

8. The steel reinforced trussed floor deck according to claim 1, wherein: The supporting mechanism (10) further comprises a decorative plate (7), the steel beam (20) is an I-shaped steel, and the two sides of the decorative plate (7) are provided with horizontal telescopic edges (71) which extend into the inner sides of the steel beam (20).

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