A modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes

Abstract

The present invention provides a combined steel pedestal module unit structure adapted to different prefabricated beam sizes, including a strip foundation arranged at the bottom, an embedded fixing part arranged on the strip foundation, a plurality of pedestal module units arranged along the length direction of the strip foundation, a beam handle hole pedestal, and a connecting part, wherein the pedestal module unit includes a longitudinal main beam, a transverse main beam, a stiffening plate, a pedestal bottom template, a mounting hole I, and a connecting hole; the beam handle hole pedestal includes a fixed bottom plate arranged at the bottom, an adjusting screw rod arranged on the fixed bottom plate, and a beam handle hole bottom template arranged above the adjusting screw rod, wherein the upper end of the adjusting screw rod is connected to the beam handle hole bottom template through a rotating hinge, the fixed bottom plate is provided with a plurality of mounting holes II, and the embedded fixing part passes through the mounting hole II to fix the beam handle hole pedestal on the strip foundation. The present invention is applicable to prefabricated beams of different bottom plate sizes, can be recycled after use, has good economic efficiency, reduces construction waste, and effectively protects the environment.

Description

Technical Field

[0001] The invention belongs to the technical field of prefabricated beam pedestals, and in particular relates to a modular unit structure of a combined steel pedestal adapted to prefabricated beams of different sizes. Background Art

[0002] At present, in the construction of precast beams in my country, most precast beam pedestals are reinforced concrete pedestals, that is, they are constructed according to the process of tying steel bars, installing molds, pouring concrete, curing, and removing molds according to the requirements of the beam size. With the continuous advancement of science and technology, although the construction quality of reinforced concrete pedestals has been gradually improved, there are still the following shortcomings: First, the amount of steel bars and concrete used is large, which cannot be used in a turnover manner, the cost is high, and there is a lack of economy; second, it is impossible to adjust the anti-pre-camber degree and change the size of the pedestal at any time. One pedestal is only suitable for the prefabrication of one size of beam, and the temporary construction occupies a large area. Summary of the invention

[0003] The present invention provides a modular unit structure of a combined steel pedestal adaptable to different sizes of precast beams, which can be assembled according to the length and width of the bottom plate of the precast beam. It is particularly suitable for beam yards with a large number of precast beam models. At the same time, the pedestal is made of steel and can be circulated and recycled after use, which has good economy, reduces construction waste, and effectively protects the environment.

[0004] The technical solution of the present invention is: a combined steel pedestal module unit structure that adapts to different prefabricated beam sizes, including a strip foundation arranged at the bottom, embedded fixings arranged on the strip foundation, a plurality of pedestal module units arranged along the length direction of the strip foundation, and a pedestal with a beam hole. The adjacent pedestal module units are connected and fixed by connecting pieces, and the pedestal module units are fixed to the strip foundation by embedded fixings. The embedded fixings, pedestal module units, beam hole pedestals, and connecting pieces are all made of steel; the pedestal module unit includes a longitudinal main beam, a transverse main beam, a stiffening plate, and a pedestal bottom template. The longitudinal main beam is an H-shaped steel beam. The longitudinal main beam is arranged in two parallel rows along the width direction of the strip foundation. The transverse main beam is arranged between the longitudinal main beams. The stiffening plates are evenly spaced. It is arranged on the outer side of the web of the longitudinal main beam, the stiffening plate and the web of the longitudinal main beam are perpendicular, the base bottom template is arranged above the longitudinal main beam and the stiffening plate, the outer bottom flange of the longitudinal main beam is provided with a mounting hole I, the embedded fixing part fixes the longitudinal main beam through the mounting hole I, the stiffening plates arranged at both ends of the longitudinal main beam are provided with connecting holes, the connecting part connects and fixes the adjacent longitudinal main beams through the connecting holes; the beam lifting hole base includes a fixed base plate arranged at the bottom, an adjusting screw rod arranged on the fixed base plate, and a beam lifting hole bottom template arranged above the adjusting screw rod, the upper end of the adjusting screw rod is connected to the beam lifting hole bottom template through a rotating hinge, the fixed base plate is provided with a plurality of mounting holes II, and the embedded fixing part fixes the beam lifting hole base on the strip foundation through the mounting hole II.

[0005] According to a further solution, the longitudinal main beam, transverse main beam, stiffening plate and pedestal bottom formwork are connected by welding.

[0006] The solution further includes a tie rod, and a plurality of tie rod holes are provided on the web of the longitudinal main beam. The tie rod passes through the tie rod holes to connect the parallel longitudinal main beams, thereby further improving stability.

[0007] According to a further solution, a water stop installation groove is provided on the outer side of the stiffening plate close to the bottom template of the pedestal.

[0008] According to a further solution, slopes in different directions are arranged at both ends of the pedestal bottom template to facilitate close connection of the pedestal bottom template when two adjacent pedestal module units are spliced ​​together.

[0009] According to a further solution, both ends of the beam lifting hole bottom template are provided with slopes in the same direction to facilitate the falling of the beam lifting hole bottom template when the beam is lifted.

[0010] According to a further solution, the embedded fixing part includes a fixing bolt and a nut, and the bottom of the fixing bolt is embedded in the strip foundation.

[0011] According to a further solution, the connecting member is a connecting bolt.

[0012] According to a further solution, the number of the adjusting screw rods is four, which are evenly arranged between the fixed bottom plate and the bottom template of the lifting beam hole.

[0013] According to a further solution, the mounting hole I, mounting hole II and connecting hole are rectangular structures, and the pull rod hole is circular.

[0014] The solution further pours concrete between the longitudinal main beams of the two pedestal module units at the end to strengthen the pedestal and avoid deformation of the two pedestal module units at the end caused by stress concentration at both ends after the precast beams are tensioned and arched.

[0015] The advantages of the present invention are: the pedestal module unit can be assembled according to the length and width of the prefabricated beam bottom plate, and is particularly suitable for beam yards with a large number of prefabricated beam models. At the same time, the pedestal is made of steel and can be circulated and recycled after use, which has good economy, reduces construction waste, and effectively protects the environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes of the present invention;

[0017] Figure 2 It is a longitudinal structural schematic diagram of a modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes of the present invention;

[0018] Figure 3 It is a schematic diagram of a pedestal module unit structure of a combined steel pedestal module unit structure adapted to different prefabricated beam sizes of the present invention;

[0019] Figure 4 It is a longitudinal structural schematic diagram of a pedestal module unit of a combined steel pedestal module unit structure adapted to different prefabricated beam sizes of the present invention;

[0020] Figure 5 It is a schematic diagram of the transverse structure of a pedestal module unit of a combined steel pedestal module unit structure adapted to different prefabricated beam sizes of the present invention;

[0021] Figure 6 It is a schematic diagram of a beam-lifting hole pedestal structure of a combined steel pedestal module unit structure that is adaptable to different prefabricated beam sizes of the present invention;

[0022] Figure 7 It is a schematic diagram of the transverse structure of a beam-lifting hole pedestal of a combined steel pedestal module unit structure that is adaptable to different prefabricated beam sizes of the present invention;

[0023] Among them: 1. Strip foundation, 2. Pedestal module unit, 21. Longitudinal main beam, 22. Stiffening plate, 23. Mounting hole I, 24. Tie rod hole, 25. Pedestal bottom template, 26. Tie rod, 27. Transverse main beam, 28. Waterstop installation groove, 29. Connecting hole, 3. Lifting beam hole pedestal, 31. Fixed bottom plate, 32. Adjusting screw, 33. Lifting beam hole bottom template, 34. Rotating hinge, 4. Embedded fixings, 5. Connecting parts. DETAILED DESCRIPTION

[0024] The present invention is described clearly and completely below in conjunction with the accompanying drawings so that those skilled in the art can fully implement the present invention without having to make any creative work.

[0025] The specific implementation mode of the present invention is: Figure 1-7 As shown, a combined steel pedestal module unit structure adapted to different prefabricated beam sizes includes a strip foundation 1 arranged at the bottom, an embedded fixing member 4 arranged on the strip foundation 1, a plurality of pedestal module units 2 arranged along the length direction of the strip foundation 1, and a beam handle hole pedestal 3, wherein the adjacent pedestal module units 2 are connected and fixed by connecting members 5, and the pedestal module units 2 are fixed to the strip foundation 1 by embedded fixing members 4, and the embedded fixing members 4, the pedestal module units 2, the beam handle hole pedestal 3, and the connecting members 5 are all made of steel;

[0026] The pedestal module unit 2 includes a longitudinal main beam 21, a transverse main beam 27, a stiffening plate 22, and a pedestal bottom template 25. The longitudinal main beam 21 is an H-shaped steel beam. The longitudinal main beam 21 is arranged in two parallel rows along the width direction of the strip foundation 1. The transverse main beam 27 is arranged between the longitudinal main beams 21. The stiffening plates 22 are evenly arranged on the outer side of the web of the longitudinal main beam 21. The stiffening plates 22 and the web of the longitudinal main beam 21 are perpendicular. The pedestal bottom template 25 is arranged above the longitudinal main beam 21 and the stiffening plates 22. The outer bottom flange of the longitudinal main beam 21 is provided with a plurality of mounting holes ⅠⅠ23. The embedded fixing member 4 fixes the longitudinal main beam 21 through the mounting hole Ⅰ23. The stiffening plates 22 arranged at both ends of the longitudinal main beam 21 are provided with connecting holes 29. The connecting member 5 connects and fixes the adjacent longitudinal main beams 21 through the connecting hole 29. The mounting hole Ⅰ23 and the connecting hole 29 are rectangular structures.

[0027] The handle hole pedestal 3 includes a fixed base plate 31 arranged at the bottom, an adjusting screw rod 32 arranged on the fixed base plate 31, and a handle hole bottom template 33 arranged above the adjusting screw rod 32. The upper end of the adjusting screw rod 32 is connected to the handle hole bottom template 33 through a rotating hinge 34. The fixed base plate 31 is provided with a plurality of mounting holes II. The embedded fixing parts 4 pass through the mounting holes II to fix the handle hole pedestal 3 on the strip foundation 1. The handle is arranged between two pedestal module units 2.

[0028] Furthermore, the longitudinal main beam 21, the transverse main beam 27, the stiffening plate 22, and the pedestal bottom template 25 are connected by welding.

[0029] Furthermore, it also includes a tie rod 26. A plurality of tie rod holes 24 are provided on the web of the longitudinal main beam 21. The tie rod 26 passes through the tie rod holes 24 to connect the parallel longitudinal main beams 21, thereby further improving stability. The tie rod holes 24 are circular.

[0030] Furthermore, a water stop installation groove 28 is provided on the outer side of the stiffening plate 22 close to the pedestal bottom template 25 .

[0031] Furthermore, two ends of the pedestal bottom template 25 are provided with slopes in different directions, so as to facilitate the close connection of the pedestal bottom template 25 when two adjacent pedestal module units 2 are spliced.

[0032] Furthermore, both ends of the beam lifting hole bottom template 33 are provided with slopes in the same direction, so as to facilitate the falling of the beam lifting hole bottom template 33 when lifting the beam.

[0033] Furthermore, the embedded fixing member 4 includes a fixing bolt and a nut, and the bottom of the fixing bolt is embedded in the strip foundation 1.

[0034] Furthermore, the connecting member 5 is a connecting bolt.

[0035] Furthermore, the number of the adjusting screw rods 32 is four, which are evenly arranged between the fixed bottom plate 31 and the bottom template 33 of the lifting beam hole.

[0036] Furthermore, concrete is poured between the longitudinal main beams 21 of the two pedestal module units 2 at the end to strengthen the pedestal strength and avoid deformation of the two pedestal module units 2 at the end caused by stress concentration at both ends after the precast beams are tensioned and arched.

[0037] The working process of the present invention is: the pedestal module unit 2 is fixed on the strip foundation 1 by using the embedded fixing parts 4. The number of pedestal module units 2, the spacing of the longitudinal main beams 21, and the size of the transverse main beams 27 can be adjusted according to the different prefabricated beam lengths or widths. At the same time, the beam lifting hole pedestal 3 is fixed on the strip foundation 1 by using the embedded fixing parts 4. When casting the beam, the adjusting screw rod 32 is raised to make the beam lifting hole bottom template 33 flush with the pedestal bottom template 25 of the pedestal module units 2 on both sides. The set slope facilitates close contact. When lifting the beam, the adjusting screw rod 32 is dropped, and the steel wire rope is passed through the gap between the bottom of the beam and the beam lifting hole bottom template 33. It is convenient and quick, and each component is a steel product, which can be turned over and recycled, has good economy, reduces construction waste, and effectively protects the environment.

[0038] The preferred embodiments of the present invention are described above. It should be pointed out that the present invention is not limited to the above-mentioned specific embodiments, and the devices and structures not described in detail should be understood to be implemented in a common manner in the art; any simple modifications, equivalent changes and modifications made to the above embodiments by any technician familiar with the art based on the technical essence of the present invention without departing from the scope of the technical solution of the present invention, shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes, characterized in that: It includes a strip foundation arranged at the bottom, embedded fixings arranged on the strip foundation, a plurality of pedestal module units arranged along the length direction of the strip foundation, and a pedestal with a handle hole, wherein adjacent pedestal module units are connected and fixed by connecting pieces, and the pedestal module units are fixed on the strip foundation by embedded fixings; The pedestal module unit includes a longitudinal main beam, a transverse main beam, a stiffening plate, and a pedestal bottom template. The longitudinal main beam is an H-shaped steel beam. The longitudinal main beam is arranged in two parallel rows along the width direction of the strip foundation. The transverse main beam is arranged between the longitudinal main beams. The stiffening plates are evenly arranged on the outside of the web of the longitudinal main beam. The stiffening plates are perpendicular to the web of the longitudinal main beam. The pedestal bottom template is arranged above the longitudinal main beam and the stiffening plates. The outer bottom flange of the longitudinal main beam is provided with a mounting hole I. The embedded fixing piece passes through the mounting hole I to fix the longitudinal main beam. The stiffening plates arranged at both ends of the longitudinal main beam are provided with connecting holes. The connecting piece passes through the connecting holes to connect and fix adjacent longitudinal main beams. The handle beam hole pedestal includes a fixed base plate arranged at the bottom, an adjusting screw rod arranged on the fixed base plate, and a handle beam hole bottom template arranged above the adjusting screw rod. The upper end of the adjusting screw rod is connected to the handle beam hole bottom template through a rotating hinge. The fixed base plate is provided with a plurality of mounting holes II. The embedded fixing parts pass through the mounting holes II to fix the handle beam hole pedestal on the strip foundation.

2. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 1, characterized in that: The longitudinal main beam, the transverse main beam, the stiffening plate and the pedestal bottom template are connected by welding.

3. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 2, characterized in that: It also includes a tie rod. A plurality of tie rod holes are provided on the web of the longitudinal main beam. The tie rod passes through the tie rod holes to connect the parallel longitudinal main beams, thereby further improving stability.

4. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 3, characterized in that: The outer side of the stiffening plate close to the bottom template of the pedestal is provided with a water stop installation groove.

5. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 4, characterized in that: The two ends of the pedestal bottom template are provided with slopes in different directions, so as to facilitate the close connection of the pedestal bottom templates when two adjacent pedestal module units are spliced.

6. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 5, characterized in that: The two ends of the beam lifting hole bottom template are provided with slopes in the same direction, so as to facilitate the falling of the beam lifting hole bottom template when lifting the beam.

7. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 6, characterized in that: The embedded fixing part comprises a fixing bolt and a nut, and the bottom of the fixing bolt is embedded in the strip foundation.

8. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 7, characterized in that: The connecting piece is a connecting bolt.

9. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 8, characterized in that: The number of the adjusting screw rods is four, and they are evenly arranged between the fixed bottom plate and the bottom template of the lifting beam hole.

10. The modular unit structure of a combined steel pedestal adapted to different prefabricated beam sizes according to claim 9, characterized in that: Concrete is poured between the longitudinal main beams of the two pedestal module units arranged at the end.

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