Reverse supporting system for beam structure construction

Abstract

The utility model relates to the technical field of beam structure construction, in particular to a reverse supporting system for beam structure construction, which comprises a beam bottom die and two beam side dies, and a plurality of connecting wings are arranged at the upper ends of the beam side dies at intervals along the span direction of a beam; a plurality of supporting assemblies are further arranged corresponding to the connecting wings, each supporting assembly comprises a supporting column and two inclined supporting rods, the supporting column is sleeved with an adjusting sleeve in a sliding mode, the two inclined supporting rods are arranged in an inverted-splayed mode, and the overlapping positions of the lower portions of the two inclined supporting rods are locked and fixed to the adjusting sleeves and the supporting columns through first locking assemblies. The upper portions of the inclined supporting rods are locked and fixed to the corresponding connecting wings through second locking assemblies. According to the utility model, the beam bottom die is supported through the supporting column, the two diagonal bars are used for providing reverse supporting force from top to bottom for the two beam side dies, and the two diagonal bars are matched with the supporting column to provide upward and inward force, so that sinking force and external expansion force caused by concrete pouring are prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of beam structure construction, in particular to a reverse support system for beam structure construction. Background Art

[0002] In concrete structure construction, since the concrete pouring process will generate a large lateral pressure on the casting formwork, how to fix the formwork and prevent the casting formwork from shifting during construction usually becomes a key technical issue to be controlled during construction; when constructing beam structures, in order to avoid deformation and expansion of the formwork during pouring, which will cause excessive deviations in the cross-sectional dimensions of the beam and exceed the flatness standards of the beam and wall transitions, it is usually necessary to ensure the reliability of the beam formwork support.

[0003] A support beam structure with existing announcement number CN208668942U includes a T-beam and an adjusting tube, wherein the T-beam includes a cross bar and a limiting tube, and the limiting tube is vertically fixed to the middle of the cross bar, so as to facilitate adjustment of the appropriate support height according to the on-site construction conditions, and the bottom support area of ​​the beam structure is increased by the T-beam, thereby improving the bearing capacity and stability; a beam formwork support system with publication number CN114458005A includes a support plate and several groups of support mechanisms; the support mechanism includes a support rod and a connecting member; the connecting member includes a main body and an adjusting member, and the support system has the advantage of being able to change the support height; but the prior art does not fix the beam casting side plate, so during the concrete pouring process, it cannot be guaranteed that the beam cross-sectional size and the smoothness of the beam and wall transitions meet the specification requirements. Utility Model Content

[0004] In view of the deficiencies in the prior art, the purpose of the utility model is to provide a reverse support system for beam structure construction that can simultaneously support and clamp the beam bottom formwork and the beam side formwork.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A reverse support system for beam structure construction comprises a beam bottom form and two beam side forms, wherein the two beam side forms are respectively arranged on the left and right sides of the beam bottom form, and a plurality of connecting wings are arranged at intervals on the upper ends of the beam side forms along the span direction of the beam, and the connecting wings are arranged perpendicular to the beam side forms; a plurality of groups of support assemblies are also arranged corresponding to the connecting wings, and each group of support assemblies comprises a support column and two diagonal support rods, the support column is a telescopic structure, an adjusting sleeve is slidably sleeved on the support column, the two diagonal support rods are arranged in an inverted eight-shaped shape, and the overlapping position of the lower parts of the two diagonal support rods is locked and fixed with the adjusting sleeve and the support column by a first locking assembly, and the upper parts of the two diagonal support rods are respectively located on both sides of the beam structure, and the upper parts of the diagonal support rods are locked and fixed with the corresponding connecting wings by a second locking assembly.

[0007] Compared with the prior art, the utility model adopting the above technical solution has the following outstanding features:

[0008] The utility model supports the beam bottom formwork through the support column, and also provides top-down reverse supporting force to the two beam side forms through two oblique support rods. The two oblique support rods cooperate with the support column to provide upward and inward force, thereby preventing the sinking force and outward expansion force caused by concrete pouring, preventing the beam bottom formwork and beam side formwork from sinking and deformation, and ensuring the beam interface size. By adjusting the height of the adjustment sleeve, the support angle of the oblique support rod can be changed, thereby enabling the system to be suitable for beam structures of different sizes.

[0009] As a preferred embodiment, a further technical solution of the utility model is:

[0010] Preferably, the first locking assembly includes a locking screw and a locking nut; the second locking assembly includes a pin and a pin sheet; a limit hole is provided on the adjusting sleeve, and a plurality of adjustment holes are provided at intervals on the diagonal support rod; the end of the locking screw passes through the adjustment holes and the limit holes on the two diagonal support rods in sequence and abuts against the support column, and when the locking nut is tightened, the diagonal support rod, the adjusting sleeve and the support column are locked and fixed, and when the locking nut is loosened, the diagonal support rod and the adjusting sleeve are hinged and the adjusting sleeve can slide up and down along the support column; a connecting plate is provided on the side of the connecting wing, and a plurality of connecting holes are provided on the connecting plate at intervals, the diagonal support rod is fitted with the connecting plate, and there is a group of aligned connecting holes and adjusting holes, and the pin passes through the adjusting holes and the connecting holes to cooperate with the pin sheet to fix the diagonal support rod and the connecting wing; it is convenient for connection and fixation, and easy for disassembly.

[0011] Preferably, a counter-strut is connected between the two diagonal struts, which is horizontally arranged and located on the lower side of the beam bottom mold; this improves the supporting effect, stabilizes the triangular supporting system where the two diagonal struts and the connecting wings are located, and at the same time prevents the diagonal struts from bending under stress, thereby extending the service life of the diagonal struts.

[0012] Preferably, it also includes connecting angle plates, and the left and right sides of the beam bottom formwork are connected to the beam side formwork through connecting angle plates. The upper edge of the beam side formwork is provided with an upturned edge plate, and the connecting wings are detachably connected to the outer side of the upturned edge plate; this facilitates the connection between the beam bottom formwork and the beam side formwork, and the beam side formwork and the connecting wings, and facilitates the transportation of the bottom formwork, the beam side formwork and the connecting wings.

[0013] Preferably, reinforcing ribs are provided on the lower side of the beam bottom mold and the outer side of the beam side mold to prevent the beam bottom mold and the beam side mold from being deformed due to stress.

[0014] Preferably, the support column includes a lower column and an upper column, the bottom of the lower column is provided with a base, placed on the ground, and the upper end is provided with an internal threaded connection part; the lower end of the upper column is provided with an external threaded connection part, and the upper end is provided with a supporting top support for supporting the bottom mold of the beam; the upper and lower columns are connected by external threaded connections and internal threaded connections to facilitate adjustment of the height of the support column. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a structural schematic diagram of the reverse support system in the embodiment of the utility model;

[0016] Figure 2 It is a side view structural schematic diagram of the reverse support system in the embodiment of the utility model;

[0017] Figure 3 It is a structural schematic diagram of the support assembly in the embodiment of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the beam bottom mold and the beam side mold in the embodiment of the utility model;

[0019] Figure 5 It is a schematic diagram of the assembly structure of the beam bottom mold and the beam side mold in the embodiment of the utility model.

[0020] Explanation of the reference numerals in the accompanying drawings: 1. Beam bottom formwork; 2. Beam side formwork; 201. Lower side plate; 202. Upper side plate; 3. Support column; 301. Lower support column; 3011. Base; 302. Upper support column; 3021. Support top bracket; 4. Adjustment sleeve; 5. Diagonal support rod; 501. Adjustment hole; 6. Connecting wing; 601. Connecting hole; 7. Counter support rod; 701. Counter support hole; 8. Locking screw; 9. Connecting angle plate. DETAILED DESCRIPTION

[0021] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0022] like Figure 1 , Figure 2As shown, the present embodiment provides a reverse support system for beam structure construction, including a beam bottom form 1 and two beam side forms 2, the two beam side forms 2 are respectively arranged on the left and right sides of the beam bottom form 1, and a plurality of connecting wings 6 are arranged at intervals along the span direction of the beam at the upper end of the beam side form 2, and the connecting wings 6 are arranged perpendicular to the beam side form 2; a plurality of groups of support components are also arranged corresponding to the connecting wings 6, and each group of support components includes a support column 3 and two diagonal support rods 5, the support column 3 is a retractable structure, and an adjusting sleeve 4 is slidably sleeved on the support column 3, and the two diagonal support rods 5 are arranged in an inverted eight-shaped shape, and the overlapping position of the lower part of the two diagonal support rods 5 is connected to the adjusting sleeve 4 and the support column 3 through a first locking assembly. Locked and fixed, the upper parts of the two diagonal braces 5 are respectively located on both sides of the beam structure, and the upper parts of the diagonal braces 5 are locked and fixed with the corresponding connecting wings 6 through the second locking assembly; wherein, the structures of the beam bottom mold 1, the beam side mold 2 and the connecting wings 6 all include a plate body, and vertical downward connecting plates are arranged on the four sides of the plate body, and connecting holes 601 for connection are arranged at intervals on the connecting plates; the arrangement of the plate body plus the connecting plate is convenient for disassembly and connection, and is also convenient for welding reinforcing ribs on the outside of the plate body; reinforcing ribs are arranged on the lower side of the beam bottom mold 1, the outer side of the beam side mold 2, and the lower side of the connecting wing 6, and the reinforcing ribs are welded and fixed to the plate body, and the ends are welded and fixed to the two connecting plates arranged oppositely.

[0023] Furthermore, the first locking assembly includes a locking screw 8 and a locking nut; a limited hole is provided on the adjusting sleeve 4, and a plurality of adjustment holes 501 are provided at intervals on the diagonal support rod 5; the end of the locking screw 8 sequentially passes through the adjustment holes 501 and the limited holes on the two diagonal support rods 5 and abuts against the support column, and the locking nut is tightened to fix the overlapping position of the lower parts of the two diagonal support rods 5 with the adjusting sleeve 4 and the support column 3; when the supporting angle of the diagonal support rod 5 needs to be adjusted, when the locking nut is loosened, the diagonal support rod 5 is hinged with the adjusting sleeve 4, and the adjusting sleeve can slide up and down along the support column 3, thereby playing the role of adjusting the supporting angle of the diagonal support rod 5. The second locking assembly includes a pin and a pin sheet; the pin passes through the adjustment hole 501 on the diagonal support rod 5 and the connecting hole 601 on the side connecting plate of the connecting wing 6, and cooperates with the pin sheet to fix the diagonal support rod 5 and the connecting wing 6.

[0024] Preferably, in order to strengthen the supporting force of the supporting assembly, a pair of support rods 7 are connected between the two diagonal support rods 5. The pair of support rods 7 are horizontally arranged and located on the lower side of the beam bottom mold; the pair of support rods 7 are made of angle irons, which have strong strength and torsion resistance; the pair of support rods 7 are provided with support holes 701, and the two sides of the pair of support rods 7 are connected to the corresponding diagonal support rods 5 through pins passing through the support holes 701 and the adjustment holes 501 and matching pin sheets.

[0025] like Figure 4 , Figure 5As shown, preferably, it also includes a connecting angle plate 9, which is made of angle iron, and circular holes are arranged on the horizontal and vertical parts of the connecting angle plate 9, and the horizontal part of the connecting angle plate 9 fits with the connecting plate at the bottom edge of the beam side mold 2, and the connecting hole 601 is opposite to the circular hole, and is fixed by pins and pins; the vertical part of the connecting angle plate 9 fits with the connecting plate at the side of the beam bottom mold 1, and the connecting hole 601 is opposite to the circular hole and is fixed by pins and pins. The beam side mold 2 includes a lower side plate 201 and an upper side plate 202, the connecting plate at the upper edge of the lower side plate 201 fits with the connecting plate at the lower edge of the upper side plate 202, the connecting holes 601 are opposite to each other and are fixed by pins and pins; the upper side plate 202 is provided with an upturned edge plate; the connecting wing 6 fits with the connecting plate at the side of the upturned edge plate, and the connecting holes 601 are opposite to each other and are fixed by pins and pins.

[0026] like Figure 3 As shown, preferably, the support column 3 includes a lower support column 301 and an upper support column 302. The lower support column 301 is provided with a base 3011 at the bottom, placed on the ground, and an internal threaded connection portion is provided at the upper end; the upper support column 302 is provided with an external threaded connection portion at the lower end, and a supporting top support 3021 for supporting the bottom mold of the beam is provided at the upper end; the upper support column 302 and the lower support column 301 are connected by the external threaded connection portion and the internal threaded connection portion to facilitate the adjustment of the height of the support column 3.

[0027] This system integrates support and casting, which is convenient for quick disassembly and connection; the support assembly provides reverse support force and clamping force for the beam casting formwork, thereby preventing the sinking force and outward expansion force caused by concrete pouring, preventing the bottom formwork 1 and the side formwork 2 of the beam from sinking and deforming, and ensuring the interface size of the beam; by adjusting the height of the adjustment sleeve 4, the support angle and support height of the diagonal brace 5 can be changed, thereby enabling this system to be applicable to beam structures of different sizes.

[0028] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. A reverse support system for beam structure construction, comprising a beam bottom formwork and two beam side forms, wherein the two beam side forms are respectively arranged on the left and right sides of the beam bottom formwork, and characterized in that: A plurality of connecting wings are arranged at intervals along the span direction of the beam at the upper end of the beam side formwork, and the connecting wings are arranged perpendicular to the beam side formwork; Several groups of support components are also provided corresponding to the connecting wings, each group of support components includes a support column and two diagonal support rods, the support column is a retractable structure, an adjustment sleeve is slidably sleeved on the support column, the two diagonal support rods are arranged in an inverted eight shape, and the overlapping position of the lower part of the two diagonal support rods is locked and fixed by the first locking assembly, the adjusting sleeve and the support column, and the upper parts of the two diagonal support rods are respectively located on both sides of the beam structure, and the upper parts of the diagonal support rods are locked and fixed with the corresponding connecting wings through the second locking assembly.

2. The reverse support system for beam structure construction according to claim 1, characterized in that: The first locking assembly includes a locking screw and a locking nut; the second locking assembly includes a pin and a pin sheet; The adjusting sleeve is provided with a limit hole, and the diagonal support rod is provided with a plurality of adjustment holes at intervals; the end of the locking screw passes through the adjustment holes and the limit holes on the two diagonal support rods in sequence and abuts against the support column; when the locking nut is tightened, the diagonal support rod, the adjustment sleeve and the support column are locked and fixed; when the locking nut is loosened, the diagonal support rod is hinged with the adjustment sleeve and the adjustment sleeve can slide up and down along the support column; A connecting plate is provided on the side of the connecting wing, and a number of connecting holes are arranged at intervals on the connecting plate. The diagonal support rod is fitted with the connecting plate, and there is a group of aligned connecting holes and adjustment holes. The pins pass through the adjustment holes and the connecting holes and cooperate with the pin sheets to fix the diagonal support rod and the connecting wing.

3. The reverse support system for beam structure construction according to claim 2, characterized in that: A counter-bracing rod is also connected between the two oblique bracing rods. The counter-bracing rod is horizontally arranged and located at the lower side of the beam bottom mold.

4. The reverse support system for beam structure construction according to claim 1, characterized in that: It also includes connecting angle plates, and the left and right sides of the beam bottom mold are connected to the beam side molds through connecting angle plates. The upper edge of the beam side mold is provided with an upturned edge plate, and the connecting wing is detachably connected to the outer side of the upturned edge plate.

5. The reverse support system for beam structure construction according to claim 1, characterized in that: Reinforcing ribs are provided on the lower side of the beam bottom formwork and the outer side of the beam side formwork.

6. The reverse support system for beam structure construction according to claim 1, characterized in that: The supporting column includes a lower column and an upper column. The bottom of the lower column is provided with a base, which is placed on the ground, and the upper end is provided with an internal threaded connection part; the lower end of the upper column is provided with an external threaded connection part, and the upper end is provided with a supporting top support for supporting the bottom mold of the beam; the upper column and the lower column realize the adjustment of the connection length through the external threaded connection part and the internal threaded connection part.

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