A steel bracket combined elevator steel platform

Abstract

The application discloses a steel bracket combined elevator steel platform, which comprises a steel bracket and a base steel beam frame, the steel bracket comprises a back plate and two hinged plates arranged in parallel on the back plate, the back plate is fixed on a main body structure through a bolt assembly, the bolt assembly comprises a pre-buried threaded column and a fixing bolt, the end of the pre-buried threaded column is provided with an internal thread hole, and the outer side is provided with a threaded strip, the base steel beam frame comprises a main steel beam, a wing beam and a cross beam, the cross beam is fixedly connected between two parallel arranged main steel beams, four wing beams are arranged in a right angle and symmetrically on the outer side edges of the main steel beams, the spacing between two wing beams of a single side edge is matched with an elevator standard section, one end of the main steel beam is fixed with the steel bracket, and the other end is provided with supporting force by a support plate pre-buried on a column pier, and the steel bracket combined elevator steel platform provided by the application is replaced by a recyclable bracket artificial stress joint, thereby greatly reducing construction cost and improving construction efficiency.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of house building construction, and particularly relates to a steel bracket combined hoist steel platform. BACKGROUND

[0002] In the process of house building engineering construction, due to the fact that most of the municipal land cannot be occupied, the construction site construction land area is narrow, and the construction hoist as an important vertical transportation equipment often cannot land on a stable foundation or structure during the lifting process, especially in the working condition that the soil backfilling of the fat groove and the like is not completed, it is difficult to install the construction hoist. In order to ensure that the construction hoist obtains a stable foundation, a pile foundation is usually used to penetrate into a bearing layer to support the hoist, but this method is time-consuming and laborious, and a huge construction cost is generated, which causes a large amount of construction cost waste. SUMMARY

[0003] In order to overcome the above-mentioned deficiencies of the prior art, the present application provides a steel bracket combined hoist steel platform, which takes a foundation pit crown beam or a basement roof as a simply supported load bearing point, and replaces it with a recyclable steel bracket artificial force node, thereby greatly reducing the construction cost and improving the construction efficiency.

[0004] The present application is implemented by the following technical solutions:

[0005] The utility model provides a kind of steel bracket combination elevator steel platform, including steel bracket and base steel beam frame, the steel bracket includes backplate and two parallelly arranged hinged plate on backplate, the both sides of backplate are equipped with fixed hole, and the hinged plate is equipped with positioning hole;Backplate is fixed on main body structure by bolt assembly;The bolt assembly includes embedded threaded column and fixed bolt;The end of embedded threaded column is equipped with internal thread hole, and outer side is equipped with thread strip;Fixed bolt is compatible with internal thread hole;Base steel beam frame includes main steel beam, wing beam and crossbeam;Crossbeam is fixedly connected between two parallelly arranged main steel beams, and four wing beams are arranged on the outer side of main steel beam at right angles symmetrically;The spacing between two wing beams of single side is compatible with elevator standard section;One end of main steel beam is clamped between hinged plate, and is fixed with steel bracket by positioning pin shaft, and the other end is supported by support plate embedded on column pier;In the steel bracket platform, the steel bracket 1 is fixed in main body structure by bolt assembly, and embedded threaded column in bolt assembly is embedded in concrete by being equipped with screw structure on end outer side, can be screwed out in later period, realizes multiple turnover use, saves processing material, and simultaneously, the internal thread hole of other end of embedded threaded column is compatible with fixed bolt, and steel bracket 1 is pre-fixed on embedded threaded column by fixed bolt, and this kind of connection fixed form is not only simple in structure, and fixed firmly, is also favorable to the position of embedded threaded column is corrected by laser measuring equipment before or initial setting time of concrete pouring, to guarantee the installation levelness of base steel beam frame;And in bearing aspect, the self weight of construction elevator and upper load are transferred to lower base steel beam frame by standard section, and base steel beam frame resists punching, and force is clear, and calculation is simple.

[0006] Preferably, the main steel beam is detachably connected with the wing beam and the crossbeam by bolts; the later removal and turnover can be facilitated, and pollution caused by welding can also be avoided as much as possible.

[0007] Preferably, the main steel beam, the wing beam and the crossbeam are connected and fixed by a connecting plate, and a connecting rib plate is fixed at the connection of the main steel beam, the wing beam and the crossbeam; a plurality of rows of first elliptical holes are arranged in the vertical direction at the connecting part of the connecting rib plate, the wing beam and the crossbeam, and the long axis sides of adjacent two rows of first elliptical holes are perpendicular to each other; a second elliptical hole is arranged on the connecting plate, and the long axis sides of the first elliptical hole and the second elliptical hole connected by the same bolt are perpendicular to each other; in order to ensure the overall stability of bolt connection, the elliptical holes can be cut on the connecting rib plate and the connecting plate by high-precision cutting equipment, the long axis sides of adjacent two rows of elliptical holes are perpendicular to each other, and the looseness of bolt connection can be reduced.

[0008] Preferably, a reinforcing rib plate is arranged between the hinged plates, and a triangular support plate is welded between the reinforcing rib plate and the backplate; the structural strength of the steel bracket is improved, and the reinforcing rib plate arranged transversely can also assist in supporting the main beam and reducing the bearing load of the connecting pin shaft.

[0009] Preferably, the pre-embedded threaded post has a conical structure, the internal threaded hole is located at the large end of the pre-embedded threaded post, and the threaded strip is located at the small end of the pre-embedded threaded post; the conical structure of the pre-embedded threaded post facilitates its later dismantling and reuse, and the port at the large end can be provided with an internal hexagonal hole to facilitate the use of an internal hexagonal plate to screw the pre-embedded threaded post and detach it from the main structure.

[0010] Preferably, a gasket is provided between the pre-embedded threaded post and the back plate; the gasket can indirectly increase the contact area between various locking parts, improve the connection strength of the connection parts, and thus improve the load-bearing capacity. Its thickness can be adjusted according to the needs of the site. It can also improve the support capacity of the concrete of the main structure for the steel bracket as a whole, and reduce the load on the pre-embedded threaded post. When installing the steel bracket, the gasket, fixing screw and pre-embedded threaded post are threadedly locked to clamp the bracket plate, and then the steel bracket is fixed to the main structure as a whole through the pre-embedded threaded post.

[0011] Preferably, the gasket has an "I" shaped structure; after the gasket is fixed together with the steel bracket, it can increase the stress-bearing area of ​​the steel bracket embedded in the concrete in the left and right horizontal directions, change the stress structure, and effectively improve the load-bearing capacity of the steel bracket in the left and right horizontal directions.

[0012] Preferably, a pad is fixed to the bottom of the back plate; this can increase the contact area of ​​the bottom of the back plate embedded in the concrete, further improving the load-bearing capacity of the steel bracket in the vertical direction; the pad is fixed to the back plate by welding, and the design of not using an integral processing with the back plate can reduce the manufacturing cost.

[0013] Preferably, the main steel beam, wing beam, and crossbeam are all made of I-beams; the flanges of the I-beams are very wide, and their lateral rigidity is high. Therefore, their bending resistance is particularly strong, and they are not prone to bending laterally. In addition, the flanges are parallel to each other, which makes the subsequent support process more convenient and reduces the difficulty of operation.

[0014] Preferably, the upper surface of the wing beam is provided with a rubber pad; the rubber pad has a disc-shaped structure and is fixed on the wing beam, which can effectively reduce the impact force on the platform when the elevator descends and lands, and enhance the service life of the platform.

[0015] The beneficial effects of the present application are: 1. In the condition that the soil backfilling at the position of the fat groove is not completed, the platform can take the crown beam of the foundation pit or the roof of the basement as the simply supported load bearing point, and replace it by using the recyclable steel bracket artificial stress node, which greatly reduces the construction cost and improves the construction efficiency; 2. The steel bracket in the platform is fixed in the main structure through the bolt assembly, the embedded threaded column in the bolt assembly is embedded in the concrete through the spiral structure provided on the outer side of the end portion, and can be screwed out in the later period, realizing multiple recycling use and saving processing materials; 3. The self-weight and upper load of the construction elevator are transmitted to the lower foundation steel beam frame through the standard section, the foundation steel beam frame resists punching and cutting, the stress is clear, and the calculation is simple. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The structure schematic view of the steel bracket combined elevator steel platform described in embodiment one is shown in the figure.

[0017] Figure 2 The structure schematic view of the foundation steel beam frame described in embodiment one is shown in the figure.

[0018] Figure 3 The structure schematic view of the steel bracket described in embodiment one is shown in the figure.

[0019] Figure 4 The installation structure schematic view of the connecting rib plate described in embodiment one is shown in the figure.

[0020] Figure 5 The structure schematic view of the wing beam end portion described in embodiment one is shown in the figure.

[0021] Figure 6 The structure schematic view of the cross beam end portion described in embodiment one is shown in the figure.

[0022] Figure 7 The structure schematic view of the connecting plate described in embodiment one is shown in the figure.

[0023] Figure 8 The installation structure schematic view of the main steel beam and the wing beam described in embodiment one is shown in the figure.

[0024] Figure 9 The structure schematic view of the embedded threaded column described in embodiment one is shown in the figure.

[0025] Figure 10 The structure schematic view of the gasket described in embodiment one is shown in the figure.

[0026] In the figure: 1, steel bracket; 11, back plate; 12, hinged plate; 13, fixed hole; 14, positioning hole; 15, embedded threaded column; 151, internal threaded hole; 152, threaded strip; 153, hexagonal port; 16, fixed bolt; 17, reinforcing rib plate; 18, triangular support plate; 19, backing plate; 2, base steel beam frame; 21, main steel beam; 22, wing beam; 23, cross beam; 24, connecting rib plate; 25, first oval hole; 3, support plate; 4, column pier; 5, connecting plate; 51, second oval hole; 6, gasket; 7, rubber gasket; 8, main body structure. DETAILED DESCRIPTION

[0027] The technical solutions of the embodiments of the present application will be described clearly and completely below in combination with the drawings. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0028] Embodiment one

[0029] As Figures 1-10As shown, a steel bracket combination elevator steel platform comprises a steel bracket 1 and a base steel beam frame 2, the steel bracket 1 comprises a back plate 11 and two hinged plates 12 arranged in parallel on the back plate 11, both sides of the back plate 11 are provided with fixing holes 13, and the hinged plate 12 is provided with a positioning hole 14; the back plate 11 is fixed on the main body structure 8 through a bolt assembly; the bolt assembly comprises a pre-buried threaded column 15 and a fixed bolt 16; the end of the pre-buried threaded column 15 is provided with an internal thread hole 151, and the outer side is provided with a threaded strip 152; the fixed bolt 16 is matched with the internal thread hole 151; the base steel beam frame 2 comprises a main steel beam 21, a wing beam 22 and a cross beam 23; the cross beam 23 is fixedly connected between two parallel arranged main steel beams 21, and four wing beams 22 are arranged in a right angle on the outer side of the main steel beam 21; wherein the main steel beam 21, the wing beam 22 and the cross beam 23 are all made of I-beam, the length of the cross beam 23 is 350mm, the length of the wing beam 22 is 700mm, and the model is the same as that of the main steel beam 21; the spacing between the two wing beams 22 on the single side is matched with the elevator standard section; one end of the main steel beam 21 is clamped between the two hinged plates 12 and fixed with the steel bracket 1 through a positioning pin shaft, and the other end is supported by a support plate 3 pre-buried on a column pier 4; in the steel bracket platform, the steel bracket 1 is fixed in the main body structure through the bolt assembly, the pre-buried threaded column 15 in the bolt assembly is pre-buried in the concrete through the spiral structure provided on the end outer side, and can be screwed out in the later period, realizing multiple turnover use and saving processing materials, meanwhile, the internal thread hole 151 at the other end of the pre-buried threaded column 15 is matched with the fixed bolt 16, the steel bracket 1 is pre-fixed on the pre-buried threaded column 15 through the fixed bolt 16, the connection and fixing form is not only simple in structure, but also firm in fixing, and is also beneficial to correcting the position of the pre-buried threaded column 15 through a laser measuring device before or within the initial setting time of the concrete pouring, so as to ensure the installation levelness of the base steel beam frame 2; in terms of bearing, the self weight and the upper load of the construction elevator are transmitted to the lower base steel beam frame 2 through the standard section, the base steel beam frame 2 resists punching, the stress is clear, and the calculation is simple; specifically, in the construction process, the flatness of the base steel beam frame 2 is within the range of 4 / 1000.

[0030] Preferably, the main steel beam 21 is detachably connected to the wing beam 22 and the crossbeam 23 via connecting plates 5 using bolts. Connecting ribs 24 are fixed at the connection points of the main steel beam 21, wing beam 22, and crossbeam 23. These connecting ribs are welded at right angles between the web and flange of the main steel beam 21. The connection points of the connecting ribs 24, wing beam 22, and crossbeam 23 have several rows of first elliptical holes 25 in the vertical direction, with the major axes of adjacent rows of first elliptical holes 25 perpendicular to each other. The connecting plate 5 has second elliptical holes 51, with the major axes of the first elliptical holes 25 and the second elliptical holes 51, connected by the same bolt, perpendicular to each other to reduce the loosening of the bolt connection. To ensure the connection between the main steel beam 21 and the wing beam 22 and crossbeam 23... To ensure the overall stability of the connection between the main steel beam 21 and the crossbeam 23, the first elliptical hole 25 and the second elliptical hole 51 can be cut using high-precision cutting equipment; specifically, the major axis of the first elliptical hole 25 and the second elliptical hole 51 is 27mm, and the minor axis is 26mm; reinforcing ribs 17 are provided between the hinge plates 12, and triangular support plates 18 are welded between the reinforcing ribs 17 and the back plate 11 to improve the structural strength of the steel bracket, and the transverse arrangement of the reinforcing ribs 17 can also provide auxiliary support for the main steel beam 21 and reduce the load on the connecting pin; the pre-embedded threaded column 15 has a conical structure, the internal threaded hole 151 is located at the large end of the pre-embedded threaded column, and the threaded strip 152 is located on the pre-embedded threaded column. The small end and the large end port can be provided with an internal hexagonal notch 153 to facilitate the use of an internal hexagonal plate to screw the pre-embedded threaded post 15 away from the main structure; a gasket 6 is provided between the pre-embedded threaded post 15 and the back plate 11, which can indirectly increase the contact area between various locking parts, improve the connection strength of the connection parts, and thus improve the load-bearing capacity. Its thickness can be adjusted according to the needs of the site, and can also improve the support capacity of the concrete of the main structure for the steel bracket 1 as a whole, and reduce the load on the pre-embedded threaded post 15; specifically, the gasket 6 is in the shape of an "I"; after the "I" shaped gasket 6 is fixed together with the steel bracket 1, it can increase the horizontal width of the steel bracket 1 embedded in the concrete. The bearing area in the middle is changed, and the bearing structure is changed to effectively improve the bearing capacity of the steel bracket 1 in the left and right horizontal directions; a pad 19 is welded to the bottom of the back plate 11; the pad 19 can provide support for adjusting the verticality of the steel bracket, and can increase the contact area of ​​the bottom of the back plate 11 embedded in the concrete, further improving the bearing capacity of the steel bracket 1 in the vertical direction; the pad 19 is fixed to the back plate 11 by welding, and the design of not using integrated processing with the back plate can reduce the manufacturing cost; a rubber pad 7 is provided on the upper surface of the wing beam 22; the rubber pad has a disc-shaped structure and is fixed on the wing beam, which can effectively reduce the impact force on the platform when the elevator descends and lands, and enhance the service life of the platform.

[0031] It should be noted that the above examples are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing examples, those skilled in the art should understand that the technical solutions recorded in the foregoing examples can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the technical solutions of the embodiments of the present application.

Claims

1. A steel platform for a steel hanger assembly elevator, characterized by: The steel bracket comprises a back plate and two hinge plates arranged in parallel on the back plate, the back plate is provided with fixing holes on both sides, and the hinge plates are provided with positioning holes; the back plate is fixed on the main body structure through a bolt assembly; the bolt assembly comprises a pre-buried threaded column and a fixing bolt; the pre-buried threaded column is provided with an internal thread hole at the end and a threaded strip on the outer side face; the fixing bolt is matched with the internal thread hole; the base steel beam frame comprises a main steel beam, a wing beam and a cross beam; the cross beam is fixedly connected between two parallel main steel beams, and four wing beams are arranged in a right angle and symmetrically on the outer side edges of the main steel beams; the spacing between two wing beams on one side edge is matched with the standard section of an elevator; one end of the main steel beam is clamped between the hinge plates and fixed with the steel bracket through a positioning pin shaft, and the other end is supported by a support plate pre-buried on a column pier; the main steel beam is detachably connected with the wing beams and the cross beam through bolts; the pre-buried threaded column is in a conical structure, the internal thread hole is arranged at the large end of the pre-buried threaded column, and the threaded strip is arranged at the small end of the pre-buried threaded column.

2. A steel platform for a combination elevator and catwalk according to claim 1, wherein: The main steel beam, the wing beams and the cross beam are connected and fixed through a connecting plate, and a connecting rib plate is fixed at the connection between the main steel beam and the wing beams and the cross beam; a plurality of rows of first elliptical holes are arranged on the connecting rib plate, the wing beams and the connecting part of the cross beam in the vertical direction, and the long axis edges of adjacent two rows of first elliptical holes are perpendicular to each other; the connecting plate is provided with second elliptical holes, and the long axis edges of the first elliptical holes and the second elliptical holes connected by the same bolt are perpendicular to each other.

3. A steel platform for a combination elevator and catwalk according to claim 1, wherein: A reinforcing rib plate is arranged between the hinge plates, and a triangular support plate is welded between the reinforcing rib plate and the back plate.

4. A steel platform for a combination elevator and catwalk according to claim 1, wherein: A gasket is arranged between the pre-buried threaded column and the back plate.

5. A steel platform for a combination elevator and catwalk according to claim 4, wherein: The gasket is in a "H" type structure.

6. A steel platform for a combination elevator and catwalk according to claim 1, wherein: A gasket plate is fixed to the bottom of the back plate.

7. A steel platform for a combination elevator and catwalk according to claim 1, wherein: The main steel beam, the wing beams and the cross beam are all made of I-shaped steel.

8. A steel platform for a combination elevator and catwalk according to claim 1, wherein: A rubber gasket is arranged on the upper surface of the wing beam.

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