CN218815195U - Adjustable support system for composite floor slab - Google Patents

Abstract

The utility model provides a support system with adjustable be used for composite floor, include: a first piece bailey frame assembly; the two second sheet type Bailey bracket assemblies are respectively arranged at two sides of the first sheet type Bailey bracket assembly and are detachably connected with the first sheet type Bailey bracket assembly; the two structural main beams are respectively detachably arranged at two ends of the first plate type bailey frame component; the two structural secondary beams are respectively detachably arranged at two ends of the second plate type bailey frame component; the structure main beam and the structure secondary beam are located at the bottom of the composite floor slab and used for supporting the composite floor slab. The utility model provides an adjustable support system internal integration is provided with first piece formula bailey frame subassembly, second piece formula bailey frame subassembly, structure girder and structure secondary beam. The components are detachably assembled together to form an adjustable support system to support the composite floor slab. Therefore, the temporary support in the related technology is replaced by the adjustable support system convenient for on-site disassembly and assembly.

Description

Adjustable support system for composite floor slab

Technical Field

The utility model relates to a composite floor's installation technical field especially relates to a support system with adjustable be used for composite floor.

Background

With the development of the construction industry, the application of steel structure buildings is more and more common. Compared with the traditional concrete building, the steel plate or the section steel replaces reinforced concrete, so that the steel structure building has higher strength and better shock resistance. And the components can be manufactured in a factory and installed on site, so that the construction period is greatly reduced. Because the steel can be repeatedly used, the construction waste can be greatly reduced, and the method is more green and environment-friendly.

The composite floor slab can be called a floor bearing plate, a floor slab, a floor cover plate and a steel bearing plate, and the composite floor slab is formed by the following steps that a profiled steel plate is used as a permanent template of a concrete floor slab, is used as a lower stressed steel bar of the floor slab, participates in stress calculation of the floor slab and works together with concrete.

The composite floor slab can meet the bearing capacity requirement within a certain span, and is used for large-compartment buildings. At present, need adopt the temporary measure to support when composite floor installs, treat that concrete placement accomplishes the back, after the concrete strength reaches design strength, demolish the temporary support again, the measure volume of on-the-spot formulation is great, and the potential safety hazard is more and influence other process constructions, greatly reduced on-the-spot whole efficiency of construction.

More specifically, demolish among the related art and support the problem that the measure volume that leads to the scene to formulate easily is great, and the potential safety hazard is more and influence other processes constructions.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solve above-mentioned technical problem and provide a support system with adjustable be used for composite floor, it is great to have solved the measure volume that demolishs the temporary support and lead to the scene to formulate easily, and the potential safety hazard is more and influence the problem of other process constructions.

The utility model provides a support system with adjustable be used for composite floor slab: it includes: a first piece bailey frame assembly; the two second sheet type Bailey bracket assemblies are respectively arranged at two sides of the first sheet type Bailey bracket assembly and are detachably connected with the first sheet type Bailey bracket assembly; the two structural main beams are respectively detachably arranged at two ends of the first plate type bailey frame assembly; the two structural secondary beams are respectively detachably arranged at two ends of the second plate type bailey frame component; the structure main beam and the structure secondary beam are located at the bottom of the composite floor slab and used for supporting the composite floor slab.

In one embodiment, the adjustable support system further comprises an abdomen-attached U-shaped support assembly disposed between the first plate-type bailey support assembly and the structural main beam, the abdomen-attached U-shaped support assembly being used for adjusting a support height of the structural main beam.

In one embodiment, a belly attached U-shaped support assembly comprises: one end of the U-shaped supporting block is detachably connected with the structural main beam; the connecting pin shaft penetrates through the other end of the U-shaped supporting block, and one end of the first sheet type bailey bracket assembly extends into the U-shaped supporting block and is in pivot connection with the connecting pin shaft; the adjusting screw rod penetrates through the U-shaped supporting block and is in threaded connection with the U-shaped supporting block; and screwing an adjusting screw, wherein one end of the adjusting screw can be in contact with one end of the first plate-type bailey bracket assembly in an abutting mode so as to lift the first plate-type bailey bracket assembly to a preset supporting height.

In one embodiment, the U-shaped support block comprises: a support plate having a connection hole formed therein; the U-shaped block is arranged on the supporting plate; wherein, connecting pin wears to establish on the U type piece, and the one end of first piece formula bailey frame subassembly stretches into the U-shaped inslot of U type piece and with connecting pin axle pivotal connection, the connecting hole is used for wearing to establish threaded fastener to fix the structure girder in the backup pad.

In one embodiment, the adjustable support system further comprises an internal bracing type movable support assembly, the internal bracing type movable support assembly is arranged between the second plate type bailey support assembly and the structural secondary beam, and the internal bracing type movable support assembly is used for fixing the structural secondary beam on the second plate type bailey support assembly.

In one embodiment, an internally bracing movable support assembly comprises: the bailey supporting block is connected with the second plate type bailey frame component; one end of the inner supporting rod is connected with the bailey supporting block; the inner support adjusting sleeve is in threaded connection with the other end of the inner support rod; wherein, twist and twist internal stay adjusting sleeve and can adjust the whole length of internal stay formula activity supporting component to with internal stay formula activity supporting component locking in the structure secondary beam.

In one embodiment, a notch is formed in the bailey support block, the inner supporting type movable support assembly further comprises a connecting shaft, the connecting shaft penetrates through the notch along the first direction, and one end of the second piece type bailey support assembly extends into the notch and is in pivot connection with the connecting shaft.

In one embodiment, the bailey support block is sleeved on the other end of the inner support rod, the inner support type movable support assembly further comprises a support adjusting ring, the support adjusting ring is in threaded connection with the other end of the inner support rod and is located between the bailey support block and the inner support adjusting sleeve, and the position of the bailey support block on the inner support rod can be adjusted by rotating the support adjusting ring.

In one embodiment, a first piece bailey frame assembly comprises: a non-standard purpose-made bailey frame; the two first standard modular bailey frames are detachably arranged at two ends of the nonstandard special bailey frame respectively; and the second standard modular bailey frame is detachably arranged at one end of the first standard modular bailey frame, which is far away from the non-standard special bailey frame.

In one embodiment, the second plate bailey frame assembly comprises: the first standard modular bailey frame is detachably connected with the first sheet type bailey frame component; and the second standard modular Bailey frame is connected with one end of the first standard modular Bailey frame, which is far away from the first plate type Bailey frame component.

Compared with the prior art, the beneficial effects of the utility model are that: the adjustable support system is internally integrated with a first plate type bailey frame component, a second plate type bailey frame component, a structural main beam and a structural secondary beam. The components are detachably assembled together to form an adjustable support system for supporting the composite floor slab. Therefore, the temporary support in the related technology is replaced by the adjustable support system convenient for on-site disassembly and assembly. Therefore, the problems that measures made on site are large, potential safety hazards are large, and construction of other processes is influenced due to the fact that temporary supports are detached in the related technology are solved, and overall construction efficiency on site is guaranteed.

Drawings

Fig. 1 is a schematic structural composition diagram of an adjustable support system for composite floor slabs according to the present invention;

fig. 2 is a schematic structural composition diagram of the adjustable support system for composite floor slab of the present invention (showing composite floor slab);

fig. 3 is a connection relationship diagram of the first and second one-piece bailey frame assemblies in fig. 1;

FIG. 4 is a perspective view of the first piece Bailey frame assembly of FIG. 1;

FIG. 5 is a schematic plan view of the first panel Bailey frame assembly of FIG. 1;

FIG. 6 is a perspective view of the second panel Bailey frame assembly of FIG. 1;

FIG. 7 is a perspective view of the belly attached U-shaped support assembly of FIG. 1;

fig. 8 is a schematic perspective view of the internal bracing movable support assembly in fig. 1.

In the figure: 10. a first panel bailey frame assembly; 11. a non-standard purpose-made bailey frame; 20. a second wafer bailey frame assembly; 30. a structural main beam; 40. a structural secondary beam; 50. an abdominal-attached U-shaped supporting component; 51. a U-shaped supporting block; 511. a support plate; 512. a U-shaped block; 52. connecting a pin shaft; 53. adjusting the screw rod; 60. an internal supporting type movable supporting component; 61. a bailey supporting block; 611. a notch; 62. an inner brace rod; 63. an inner support adjusting sleeve; 64. a connecting shaft; 65. supporting the adjusting ring; 70. a first standard modular bailey frame; 80. a second standard modular bailey frame; 100. and (6) combining the floor slabs.

Detailed Description

The invention is described in further detail below with reference to the figures and the specific embodiments.

As shown in fig. 1 to 3, the utility model provides an adjustable support system for composite floor 100, it includes first piece formula bailey bracket assembly 10, two second piece formula bailey bracket assemblies 20, two structure girders 30 and two structure secondary beams 40. The two second-piece Bailey frame assemblies 20 are respectively arranged at two sides of the first-piece Bailey frame assembly 10 and detachably connected with the first-piece Bailey frame assembly 10, and the two structural main beams 30 are respectively detachably arranged at two ends of the first-piece Bailey frame assembly 10; the two structural secondary beams 40 are respectively detachably arranged at two ends of the second plate-type bailey bracket assembly 20; the structural main beams 30 and the structural sub-beams 40 are located at the bottom of the composite floor slab 100 to support the composite floor slab 100.

In the above arrangement, the first plate-type bailey bracket assembly 10, the second plate-type bailey bracket assembly 20, the structural main beam 30 and the structural secondary beam 40 are integrated in the adjustable support system. The above components are detachably assembled together to form an adjustable supporting system for supporting the composite floor slab 100. Therefore, the temporary support in the related technology is replaced by the adjustable support system convenient for on-site disassembly and assembly. Therefore, the problems that in the related art, the number of measures made on site is large due to the fact that temporary supports are detached, potential safety hazards are large, and construction of other procedures is affected are solved, and overall construction efficiency on site is guaranteed.

Specifically, as shown in fig. 1 and 7, in one embodiment, the adjustable support system further includes an abdominal-type U-shaped support assembly 50 disposed between the first plate-type bailey frame assembly 10 and the structural main beam 30, wherein the abdominal-type U-shaped support assembly 50 is used for adjusting the support height of the structural main beam 30.

Specifically, as shown in fig. 7, in one embodiment, the belly U-shaped support assembly 50 includes a U-shaped support block 51, a connection pin 52, and an adjustment screw 53. One end of the U-shaped supporting block 51 is detachably connected with the structural main beam 30, a connecting pin shaft 52 penetrates through the other end of the U-shaped supporting block 51, and one end of the first plate type Bailey bracket assembly 10 extends into the U-shaped supporting block 51 and is pivotally connected with the connecting pin shaft 52; the adjusting screw 53 is inserted into the U-shaped support block 51 and is in threaded connection with the U-shaped support block 51.

In the above arrangement, by screwing the adjusting screw 53, one end of the adjusting screw 53 can be in contact with one end of the first plate bailey bracket assembly 10, so as to lift the first plate bailey bracket assembly 10 and the structural main beam 30 to a preset supporting height.

Specifically, as shown in fig. 7, in one embodiment, the U-shaped support block 51 includes a support plate 511 and a U-shaped block 512. Wherein, the supporting plate 511 is provided with a connecting hole, and the U-shaped block 512 is arranged on the supporting plate 511. The connecting pin 52 is arranged on the U-shaped block 512 in a penetrating manner, one end of the first plate-type bailey bracket assembly 10 extends into the U-shaped groove of the U-shaped block 512 and is pivotally connected with the connecting pin 52, and the connecting hole is used for a threaded fastener to penetrate therethrough so as to fix the structural main beam 30 on the support plate 511.

Specifically, as shown in fig. 1 and 8, in one embodiment, the adjustable support system further includes an internal bracing type movable support assembly 60, the internal bracing type movable support assembly 60 is disposed between the second plate-type beret frame assembly 20 and the structural secondary beam 40, and the internal bracing type movable support assembly 60 is used for fixing the structural secondary beam 40 on the second plate-type beret frame assembly 20.

Specifically, as shown in fig. 8, in one embodiment, the inner bracing type movable support assembly 60 includes a beret support block 61, an inner bracing bar 62, and an inner bracing adjustment sleeve 63. Wherein, the bailey supporting block 61 is connected with the second plate type bailey frame component 20, and one end of the inner stay 62 is connected with the bailey supporting block 61. The inner support adjusting sleeve 63 is in threaded connection with the other end of the inner support rod 62. Screwing the inner support adjusting sleeve 63 can adjust the overall length of the inner support type movable supporting assembly 60 to lock the inner support type movable supporting assembly 60 in the structural secondary beam 40.

Specifically, as shown in fig. 8, in one embodiment, a notch 611 is formed on the beret supporting block 61, the inner supporting type movable supporting assembly 60 further includes a connecting shaft 64, the connecting shaft 64 penetrates through the notch 611 along the first direction, and one end of the second plate-type beret assembly 20 extends into the notch 611 and is pivotally connected to the connecting shaft 64.

Specifically, as shown in fig. 8, in one embodiment, the beret supporting block 61 is sleeved on the other end of the inner supporting rod 62, the inner supporting type movable supporting assembly 60 further comprises a supporting and supporting adjusting ring 65, the supporting and supporting adjusting ring 65 is in threaded connection with the other end of the inner supporting rod 62 and is located between the beret supporting block 61 and the inner supporting adjusting sleeve 63, and the position of the beret supporting block 61 on the inner supporting rod 62 can be adjusted by rotating the supporting and supporting adjusting ring 65.

Specifically, as shown in fig. 3-5, in one embodiment, the first piece bailey frame assembly 10 includes a non-standard specialty bailey frame 11, two first standard modular bailey frames 70, and a second standard modular bailey frame 80. Wherein, the two first standard modular bailey frames 70 are respectively arranged at two ends of the nonstandard special bailey frame 11 in a detachable way; the second standard modular bailey stand 80 is detachably provided on the end of the first standard modular bailey stand 70 remote from the non-standard purpose-built bailey stand 11.

Specifically, as shown in fig. 6, in one embodiment, the second piece Bailey frame assembly 20 includes a first standard modular Bailey frame 70 and a second standard modular Bailey frame 80. Wherein the first modular beret frame 70 is detachably connected to the first plate-type beret frame assembly 10; the second modular bailey holder 80 is connected to the first modular bailey holder 70 at an end thereof remote from the first panel bailey holder 10.

A complete embodiment of the present application is described below in conjunction with fig. 1-8:

the utility model provides a support system with adjustable be used for composite floor, including first piece formula bailey frame subassembly 10, second piece formula bailey frame subassembly 20, internal stay formula activity supporting component 60, attach abdominal type U type supporting component 50.

Specifically, the first piece of the bailey frame assembly 10 comprises a second standard modular bailey frame 80, a first standard modular bailey frame 70 and a nonstandard special bailey frame 11, each quasi-modular bailey frame is provided with a male-female connection joint, and the modular bailey frames are connected and fixed through pin shafts;

specifically, the second piece of bailey bracket assembly 20 includes a first standard modular bailey bracket 70 and a second standard modular bailey bracket 80, each bailey bracket is provided with a male-female connection joint and is fixedly connected through a pin shaft;

specifically, the Bailey frames are all made of light channel steel, round tubes and H-shaped steel, the truss structure is good in stress performance, two ends of each Bailey frame (except for a nonstandard specially-made Bailey frame 11, and the two ends of each Bailey frame are both provided with male connectors) are male and female sleeve connectors, and can be combined and assembled at will without special typesetting or compiling an assembling scheme, so that the assembling efficiency is improved, each Bailey frame is of multiple lengths and can meet the supporting use of combined floors with different spans, and the male and female sleeve connectors are fixedly connected through pin shafts, so that the connecting strength is ensured.

Specifically, the nonstandard special bailey frames 11 are specially customized, and both ends are male socket joints, so that the connected bailey frames can be adjusted to form the connection joints, and finally, the bailey frames can be placed on the abdomen-attached U-shaped supporting component 50 in a male socket mode.

Specifically, each Bailey truss is slightly long in upper chord and slightly short in lower chord, three-dimensional software modeling analysis is adopted according to the span of the main beam, the upper-lower chord length difference of each Bailey truss is calculated according to the arching value of the Bailey truss, therefore, the arching effect of the whole Bailey truss can be achieved when the subsequent Bailey trusses are assembled, and the whole Bailey truss is in a broken line arch shape and meets the stress requirement of a composite floor slab.

Specifically, the inner supporting type movable supporting assembly 60 comprises an inner supporting rod 62, an inner supporting adjusting sleeve 63, a bailey supporting block 61, a supporting adjusting ring (supporting adjusting ring 65) and a connecting shaft 64, the inner supporting rod 62 is fixed to the inner sides of the upper flange and the lower flange of an H-shaped steel secondary beam (structural secondary beam 40) by screwing the inner supporting adjusting sleeve 63, the bailey supporting block 61 reaches a determined height by screwing the supporting adjusting ring 65, the end portion of the bailey piece is placed in a U-shaped groove of the bailey supporting block 61, and the bailey frame and the bailey supporting block 61 are fixed by the connecting shaft 64.

Specifically, internal stay formula activity supporting component 60 through adjustment internal stay adjusting sleeve 63, can make inner stay 62 support in H shaped steel girder (structure girder 30) about the flange inboard, possess the function that bears the bailey truss, and internal stay formula activity supporting component 60 can place at H shaped steel girder wantonly, as long as guarantee bailey truss can connect fixed can, the tolerance value is higher during the construction.

Specifically, the belly-attached U-shaped support assembly 50 includes a U-shaped support block 51, an adjusting screw 53, a high-strength bolt (a threaded fastener), and a connecting pin 52, the U-shaped support block 51 is formed by welding a support plate 511 and a U-shaped block 512, a bolt hole is prefabricated in an H-shaped girder web, the support plate 511 and the bolt hole are connected by the high-strength bolt, the U-shaped block 512 and the support plate 511 are welded and fixed, the adjusting screw 53 is arranged on a bottom plate of the U-shaped block 512, the adjusting screw 53 is screwed, so that the height of the bailey piece is set to meet the site construction requirement, and the bailey bracket is fixed with the U-shaped support block 51 by the connecting pin 52.

Specifically, attach abdominal formula U type supporting component 50, adopt to open the mode of bolt hole at the steel girder web in advance and connect fixedly, guarantee the atress performance of main direction bailey frame, for avoiding leading to bailey frame elevation error because of the bolt hole accuracy, design adjusting screw 53 carries out the accurate elevation adjustment of secondary, and bailey frame tip public socket joint is shelved at adjusting screw 53 top, ensures that the elevation of bailey frame is accurate.

When the adjustable support system is installed, the span of a main beam and the position elevation of a bolt hole of a web plate of the main beam need to be measured again after a main and secondary steel beams of the structure are installed, after an error is determined, an internal support type movable support component is assembled at first, an internal support adjusting sleeve is screwed according to the section height of an H-shaped secondary beam, when the internal support adjusting sleeve is screwed, the sleeve can be inserted into a screwing hole prefabricated by the internal support adjusting sleeve for manual screwing, after the length is suitable, the internal support type movable support component is placed in the abdominal cavity of the secondary beam, the internal support adjusting sleeve is screwed again after the adjustment and the positioning, so that the internal support type movable support component is precisely attached and pre-tightened with the inner sides of upper and lower flanges of the H-shaped secondary beam, enough bearing capacity is achieved, then an adjusting ring is screwed, when the internal support type movable support component is also screwed, the sleeve can be inserted into the screwing hole prefabricated by the adjusting ring for manual screwing, so that a Bailey support block reaches a suitable elevation, the other internal support type movable support components are installed in sequence, and two internal support type movable support components are installed in each span; assembling the abdomen-attached U-shaped supporting components, connecting and fixing the abdomen-attached U-shaped supporting components and the main beam web plates by adopting high-strength bolts, screwing the high-strength bolts to enable the abdomen-attached U-shaped supporting components to have enough bearing capacity, then screwing an adjusting screw, inserting a sleeve into a screwing hole prefabricated by the adjusting screw during screwing to manually screw so that the top end of the adjusting screw reaches a proper elevation, sequentially installing the rest abdomen-attached U-shaped supporting components, and installing two abdomen-attached U-shaped supporting components in each span; installing a first-piece type bailey frame assembly in the main direction, wherein two ends of the first-piece type bailey frame assembly are respectively placed on two abdomen-attaching type U-shaped supports, namely the tops of adjusting screws in U-shaped grooves of U-shaped blocks, fixing the bailey frame and the U-shaped supporting blocks by adopting connecting pin shafts, rechecking the elevation of the bailey frame, and installing one first-piece type bailey frame assembly in each span; and mounting the second-sheet type bailey frame assemblies in the secondary direction, wherein one end of each second-sheet type bailey frame assembly is placed on the inner-supporting type movable supporting assembly, namely in the U-shaped groove of the bailey supporting block, the bailey frame and the bailey supporting block are fixed by adopting a connecting shaft, the other end (a female sleeve joint) is connected and fixed with a male sleeve joint in the middle of the first-sheet type bailey frame assembly by adopting a pin shaft, the elevation of the bailey frame is rechecked, two second-sheet type bailey frame assemblies are mounted in each span, the whole supporting system is mounted, the whole supporting system is in an arch-line-up shape, the overall arch of the bailey frame is 3/1000 of the span of the steel beam (refer to figure 5), and a composite floor slab is laid and mounted on the arch-up surface, so that the requirement on the design flatness after the composite floor slab is formed is met.

In the present application, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "back", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit indicated must have a specific direction, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present specification, the terms "one embodiment," "some embodiments," "specific embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Above only the utility model discloses an it is preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that modifications and embellishments within the scope of the present disclosure may be made by those skilled in the art without departing from the principles of the present disclosure.

Claims (10)

1. An adjustable support system for a composite floor slab, comprising:

a first piece bailey frame assembly; and

the two second sheet type Bailey frame assemblies are respectively arranged on two sides of the first sheet type Bailey frame assembly and are detachably connected with the first sheet type Bailey frame assembly; and

the two structural main beams are respectively detachably arranged at two ends of the first plate type bailey bracket assembly; and

the two structural secondary beams are respectively detachably arranged at two ends of the second plate type bailey frame component;

and the structural main beam and the structural secondary beam are positioned at the bottom of the composite floor slab and are used for supporting the composite floor slab.

2. The adjustable support system for composite floor slabs of claim 1, further comprising a belly-attached U-shaped support assembly disposed between the first panel Bailey frame assembly and the structural main beam, the belly-attached U-shaped support assembly being configured to adjust a support height of the structural main beam.

3. The adjustable support system for composite floor slabs according to claim 2, wherein the belly-attached U-shaped support member comprises:

one end of the U-shaped supporting block is detachably connected with the structural main beam; and

the connecting pin shaft penetrates through the other end of the U-shaped supporting block, and one end of the first sheet type bailey bracket assembly extends into the U-shaped supporting block and is in pivot connection with the connecting pin shaft; and

the adjusting screw rod penetrates through the U-shaped supporting block and is in threaded connection with the U-shaped supporting block;

and screwing the adjusting screw, wherein one end of the adjusting screw can be in contact with one end of the first plate-type bailey bracket assembly in an abutting mode, so that the first plate-type bailey bracket assembly is jacked to a preset supporting height.

4. The adjustable support system for composite floor slabs of claim 3, wherein the U-shaped support block comprises:

a support plate having a connection hole formed therein; and

the U-shaped block is arranged on the supporting plate;

the connecting pin shaft penetrates through the U-shaped block, one end of the first plate type Bailey frame component extends into the U-shaped groove of the U-shaped block and is in pivot connection with the connecting pin shaft, and the connecting hole is used for penetrating through a threaded fastener so as to fix the structure girder on the supporting plate.

5. The adjustable support system for composite floor slabs of claim 1, further comprising an internal bracing type movable support assembly disposed between the second plate bailey frame assembly and the structural sub-beam, the internal bracing type movable support assembly being configured to secure the structural sub-beam to the second plate bailey frame assembly.

6. The adjustable support system for composite floor slabs of claim 5, wherein said internally supporting movable support assembly comprises:

the bailey support block is connected with the second plate type bailey frame component; and

one end of the inner stay bar is connected with the bailey supporting block; and

the inner support adjusting sleeve is in threaded connection with the other end of the inner support rod;

and the inner support adjusting sleeve is screwed to adjust the overall length of the inner support type movable supporting component so as to lock the inner support type movable supporting component in the structural secondary beam.

7. The adjustable support system for composite floor slabs according to claim 6, wherein the bailey support block is provided with a notch, the inner support type movable support assembly further comprises a connecting shaft, the connecting shaft penetrates through the notch along a first direction, and one end of the second plate type bailey support assembly extends into the notch and is pivotally connected with the connecting shaft.

8. The adjustable support system for composite floor slabs according to claim 6, wherein the bailey support block is sleeved on the other end of the inner brace, the inner bracing type movable support assembly further comprises a support adjustment ring, the support adjustment ring is in threaded connection with the other end of the inner brace and is located between the bailey support block and the inner bracing adjustment sleeve, and the position of the bailey support block on the inner brace can be adjusted by rotating the support adjustment ring.

9. The adjustable support system for composite floor slabs of claim 1, wherein said first sheet beret assembly comprises:

a non-standard purpose-made bailey frame;

the two first standard modular bailey frames are detachably arranged at two ends of the nonstandard specially-made bailey frame respectively; and

and the second standard modular bailey frame is detachably arranged at one end of the first standard modular bailey frame, which is far away from the non-standard special bailey frame.

10. The adjustable support system for composite floor slabs according to claim 1, wherein said second sheet bailey assembly comprises:

a first modular bailey frame detachably connected to the first plate-type bailey frame assembly; and

and the second standard modular bailey frame is connected with one end, far away from the first plate type bailey frame component, of the first standard modular bailey frame.

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