CN221002023U - Profile steel overhanging discharging platform device - Google Patents

Abstract

The embodiment of the application provides a section steel cantilever unloading platform device, and relates to the technical field of building equipment. The section steel cantilever unloading platform device comprises a section steel main beam assembly, a section steel secondary beam assembly, an unloading bearing platform and a pressure sensor assembly; the profile steel girder assembly comprises two profile steel girders which are oppositely arranged, and the profile steel girders are fixedly arranged on a building body; the section steel secondary beam assembly comprises a plurality of section steel secondary beams, two ends of each section steel secondary beam are fixedly arranged on the two section steel main beams, and the section steel secondary beams are oppositely arranged; the unloading bearing platform is fixedly arranged on part of the section steel secondary beams in the plurality of section steel secondary beams; the pressure sensor assembly comprises a plurality of pressure sensors, and the pressure sensors are arranged on the unloading bearing platform. The steel cantilever unloading platform device can achieve the effects of improving the accuracy of load detection and effectively reducing the operation safety risk of the unloading platform.

Description

Profile steel overhanging discharging platform device

Technical Field

The application relates to the technical field of building equipment, in particular to a section steel overhanging discharging platform device.

Background

At present, the steel cantilever unloading platform is most commonly used in high-rise buildings, and the main stress mode is to fix a steel girder on a floor through a hot-rolled plain round steel bar embedded part, reserve holes or pre-buried hot-rolled plain round steel bar pull rings on an upward floor structure, and form a hanging stress system through the cable-stayed stress of the steel cantilever beam end part.

Generally, at present, a manufacturer basically adopts a tension sensor to install the tension sensor on a steel wire rope of a discharging platform, and because the steel wire rope is inclined and stressed, monitoring data are influenced by the stacking positions of the materials, data errors are larger, the stacking positions of the materials are different, displayed load data are different, and the conditions of overrun and overload are easily generated due to the fact that the data are lost, so that larger safety risks are generated, and the overload safety management of the discharging platform is not facilitated.

Disclosure of utility model

The embodiment of the application aims to provide a section steel cantilever unloading platform device which can be provided with a pressure sensor and can realize overrun and overload alarming functions when being matched with a data display controller; the steel cantilever unloading platform device can achieve the effects of improving the accuracy of load detection and effectively reducing the operation safety risk of the unloading platform.

The embodiment of the application provides a profile steel cantilever unloading platform device which comprises a profile steel main beam assembly, a profile steel secondary beam assembly, an unloading bearing platform and a pressure sensor assembly, wherein the profile steel main beam assembly is arranged on the unloading bearing platform;

The profile steel girder assembly comprises two profile steel girders which are oppositely arranged, and the profile steel girders are fixedly arranged on a building body;

the section steel secondary beam assembly comprises a plurality of section steel secondary beams, two ends of each section steel secondary beam are fixedly arranged on the two section steel main beams, and the section steel secondary beams are oppositely arranged;

The unloading bearing platform is fixedly arranged on part of the section steel secondary beams in the plurality of section steel secondary beams; the pressure sensor assembly comprises a plurality of pressure sensors, and the pressure sensors are arranged on the unloading bearing platform.

In the implementation process, the profile steel main beam is fixedly arranged on the building body, so that the profile steel main beam is firmly connected with the building body, and the profile steel cantilever unloading platform device is arranged on the building body and a building floor slab in the building body, so that the optimal design of a support anchoring node of the profile steel main beam is realized; meanwhile, the pressure sensor is arranged at the material stacking position of the discharging platform, and the material stacking position structural form of the discharging platform is adjusted according to the pressure sensor structure, so that a special material stacking load monitoring platform is formed, and the purpose that the discharging platform uses load monitoring data accurately and effectively is achieved; therefore, the steel cantilever unloading platform device can achieve the effects of improving the accuracy of load detection and effectively reducing the operation safety risk of the unloading platform.

Further, the steel cantilever unloading platform device further comprises a protection guardrail and a channel steel base, wherein the channel steel base is fixedly installed on the steel girder, a mechanical hole is formed in the channel steel base, and the protection guardrail is fixedly installed on the channel steel base through the mechanical hole.

In the implementation process, the connection construction mode of the protection guardrails and the section steel main beams is optimized, a through long groove steel base is welded at the corresponding protection guardrail positions on the section steel main beams at the two sides of the unloading platform, a flange plate on the channel steel base is mechanically perforated, and the protection guardrails are mounted on the channel steel base; after the secondary beam position is shifted inwards, the two ends of the channel steel base are welded with the main beam, a flange plate on the channel steel base is mechanically perforated, and a protective guardrail is mounted on the channel steel base; the purpose of solving the problem is achieved.

Further, the unloading bearing platform comprises a platform edge sealing steel plate and a plurality of platform keels, the plurality of platform keels are arranged along the direction of the profile steel main beam, the platform edge sealing steel plate is fixedly installed on the plurality of platform keels, pressure sensors are respectively arranged below four corners of the unloading bearing platform, and each pressure sensor is provided with a corresponding leveling supporting leg.

Further, the section steel cantilever unloading platform device is provided with an alarm control box, the alarm control box is arranged on the protection guardrail, and the alarm control box is electrically connected with the pressure sensor.

Further, the section steel cantilever unloading platform device further comprises a guardrail base, and the guardrail base is arranged below the protective guardrail.

Further, the section steel girder component further comprises a plurality of U-shaped anchor rings and a plurality of bolt pressing plates, the bolt pressing plates are installed in a matched mode with the U-shaped anchor rings, and the section steel girder is fixedly installed on the building floor through the U-shaped anchor rings.

Further, two stress hanging plates are arranged on the outer side of the section steel girder, a force bearing mechanism of the section steel cantilever unloading platform device is fixed through the stress hanging plates, two carrying hanging rings are arranged on the inner side of the section steel girder, and stiffening plates are welded on the carrying hanging rings and the section steel girder.

Further, the device also comprises a pulling mechanism, wherein the upper end of the pulling mechanism is fixedly arranged on a building body through a bolt hanging ring, the lower end of the pulling mechanism is assembled with a hanging point of the profile steel girder through a lifting lug structural plate, and a stiffening structural plate is arranged between the lifting lug structural plate and the profile steel girder.

Further, the traction mechanism is provided with a traction mechanism main rope and a traction mechanism auxiliary rope, the upper end of the traction mechanism main rope is fixedly arranged on a building body through a U-shaped bolt, and the upper end of the traction mechanism auxiliary rope is fixedly arranged on the building body through a preset annular bolt; and the lower ends of the main rope and the auxiliary rope of the traction mechanism are respectively and tightly clamped with the lifting lug structural plates welded at the end parts of the profile steel main beams, so that a hanging stress system of the unloading platform-building body is formed.

Further, the section steel cantilever unloading platform device is provided with a section steel stop mechanism, and the section steel stop mechanism is arranged between the building body and the section steel main beam.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part will be obvious from the description, or may be learned by practice of the disclosure.

In order to make the above objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and should not be considered as limiting the scope, and other related drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic plan view of a section steel cantilever unloading platform device according to an embodiment of the present application;

FIG. 2 is a schematic A-A section view of a section steel cantilever unloading platform device provided by the embodiment of the application;

FIG. 3 is a schematic view of a section B-B of a section steel cantilever unloading platform device according to an embodiment of the present application;

FIG. 4 is a schematic view of an installation of a U-bolt, a building body and a pulling mechanism according to an embodiment of the present application;

Fig. 5 is a schematic installation diagram of a preset ring bolt, a building body and a pulling mechanism according to an embodiment of the present application.

Description of main reference numerals: a 100-section steel girder assembly; 110-section steel main beams; 111-a stressed hanger plate; 112-carrying a hanging ring; 113-U-shaped anchor ring; 200-section steel secondary beam components; 210-section steel secondary beams; 300-a discharge bearing platform; 310-a platform edge sealing steel plate; 320-platform keels; 400-a platform panel; 500-building body; 501-building wall surfaces; 502-building floor slab; 510-U-shaped bolts; 520-preset ring bolts; 600-guard rail; 610-channel steel base; 620-guardrail base; 700-pulling mechanism; 710—a traction mechanism main rope; 720-auxiliary ropes of the traction mechanism; 730-wire rope clamps; 740-safety bend; 800-shaped steel stop mechanism; 900-alarm control box.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the application, as presented in the figures, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present application.

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are only used to better describe the present application and its embodiments and are not intended to limit the scope of the indicated devices, elements or components to the particular orientations or to configure and operate in the particular orientations.

Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "mounted," "configured," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or a point connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish between different devices, elements, or components (the particular species and configurations may be the same or different), and are not used to indicate or imply the relative importance and number of devices, elements, or components indicated. Unless otherwise indicated, the meaning of "a plurality" is two or more.

The embodiment of the application provides a section steel cantilever unloading platform device which can be applied to a construction site; in the section steel cantilever unloading platform device, the section steel girder is fixedly arranged on a building body, so that the section steel girder is firmly connected with the building body, the section steel cantilever unloading platform device is arranged on the building body and a building floor in the building body, and the optimal design of a support anchoring node of the section steel girder is realized; meanwhile, the pressure sensor is arranged at the material stacking position of the discharging platform, and the material stacking position structural form of the discharging platform is adjusted according to the pressure sensor structure, so that a special material stacking load monitoring platform is formed, and the purpose that the discharging platform uses load monitoring data accurately and effectively is achieved; therefore, the steel cantilever unloading platform device can achieve the effects of improving the accuracy of load detection and effectively reducing the operation safety risk of the unloading platform.

Referring to fig. 1 and fig. 2, fig. 1 is a schematic plan view of a section steel overhanging discharging platform device according to an embodiment of the application; FIG. 2 is a schematic A-A section view of a section steel cantilever unloading platform device provided by the embodiment of the application; FIG. 3 is a schematic view of a section B-B of a section steel cantilever unloading platform device according to an embodiment of the present application; wherein the section A-A shown in FIG. 2 and the section B-B shown in FIG. 3 correspond to FIG. 1;

The steel cantilever unloading platform device comprises a steel girder assembly 100, a steel secondary girder assembly 200, an unloading bearing platform 300 and a platform panel 400.

Illustratively, the profile steel main beam assembly 100 includes two profile steel main beams 110, the two profile steel main beams 110 being disposed opposite each other;

Optionally, the building body 500 includes a building wall 501 and a building floor 502, the section steel main beams 110 are vertically arranged with the building wall 501, the section steel main beams 110 are oppositely arranged with the building floor 502, the section steel main beams 110 are fixedly installed on the building floor 502, and the two section steel main beams 110 are arranged in parallel; it should be noted that the parallel arrangement, perpendicular arrangement mentioned herein is by way of example only and not limitation, and other angular arrangements (e.g., nearly parallel, or nearly perpendicular) are also possible.

Illustratively, the steel secondary beam assembly 200 includes a plurality of steel secondary beams 210, both ends of the steel secondary beams 210 being fixedly mounted on two steel main beams 110, the plurality of steel secondary beams 210 being disposed opposite to each other.

Illustratively, the pressure sensor assembly includes a plurality of pressure sensors disposed on the discharge load platform.

Illustratively, the discharge load platform 300 is fixedly mounted on a portion of the plurality of section steel secondary beams 210; the pressure sensor assembly includes a plurality of pressure sensors disposed on the discharge load platform 300.

Alternatively, the discharging load-bearing platform 300 is fixedly installed on the platform panel 400 of the partial section steel secondary beam 210 in the plurality of section steel secondary beam assemblies 200, that is, the platform panel 400 is provided with the discharging load-bearing platform 300;

In some embodiments, the width of the discharge platform 300 is less than or equal to one-half the width of the discharge platform, and the width of the discharge platform 300 may be greater than one-half the width of the discharge platform, as examples only and not as limitations herein; optionally, the discharge loading platform 300 is centrally disposed on the platform deck 400.

In some embodiments, the platform panel 400 is arranged perpendicular to the section steel secondary beam 210, and the platform panel 400 is fixedly secured to the section steel secondary beam 210.

Alternatively, the section steel secondary beam assembly 200 includes 6 section steel secondary beams 210; for example, the unloading bearing platform 300 is fixed on the 2 nd and 5 th section steel secondary beams 210, and can be arranged on other section steel secondary beams 210 according to actual needs, which is only used as an example and not a limitation; the material sensing platform may be raised above the surrounding platform panel 400.

Illustratively, the section steel main beam 110 is fixedly installed on the building body 500, so that a stable connection between the section steel main beam 110 and the building body 500 is formed, and the section steel overhanging discharging platform device is installed on the building body 500, which can be a building floor 502 in the building body 500, so as to realize the optimal design of the support anchoring node of the section steel main beam 110; meanwhile, the pressure sensor is arranged at the material stacking position of the discharging platform, and the material stacking position structural form of the discharging platform is adjusted according to the pressure sensor structure, so that a special material stacking load monitoring platform is formed, and the purpose that the discharging platform uses load monitoring data accurately and effectively is achieved; therefore, the steel cantilever unloading platform device can achieve the effects of improving the accuracy of load detection and effectively reducing the operation safety risk of the unloading platform.

Further, the steel cantilever unloading platform device further comprises a protection guardrail 600 and a channel steel base 610, wherein the channel steel base 610 is fixedly installed on the steel girder 110, a mechanical hole is formed in the channel steel base 610, and the protection guardrail 600 is fixedly installed on the channel steel base 610 through the mechanical hole.

In the above implementation process, the connection construction mode of the protection fence 600 and the steel girder 110 is optimized, a through-slot steel base 610 is welded at the corresponding protection fence 600 position on the steel girders 110 at two sides of the unloading platform, and a flange plate on the channel steel base 610 is mechanically perforated, so that the protection fence 600 is mounted on the channel steel base 610; optionally, after the position of the section steel secondary beam 210 is shifted to the inner side at the outer end guardrail part of the unloading platform, two ends of the channel steel base 610 are welded with the section steel main beam 110, and a flange plate on the channel steel base 610 is mechanically perforated, so that the protection guardrail 600 is mounted on the channel steel base 610.

Illustratively, the steel cantilever unloading platform device further comprises a guardrail base 620, and the guardrail base 620 is arranged below the protective guardrail 600.

Generally, the existing steel overhanging discharging platform protection guardrail mounting modes are two, firstly, after steel pipes or steel bar positioning piles are welded at the designated positions on the upper plane of a steel girder, the protection guardrail vertical rods are sleeved into the positioning piles and then fixed, the structural mode has the defects that the welding precision and the perpendicularity of the positioning piles are high, the protection guardrail only has horizontal constraint force and has no vertical constraint force, and when receiving vertical upward external force, the protection guardrail is easily carried up to cause the edge protection risk of the discharging platform. Secondly, mechanical perforating is used on the upper flange plate of the profile steel girder, mechanical perforating is used for the bottom support of the protection guardrail at the corresponding position, the protection guardrail is fixed with the profile steel girder through bolts, the horizontal constraint and the vertical constraint of the protection guardrail are solved through the mode, but after the profile steel girder is perforated, the damage of the girder strength is caused, and when the using load of the unloading platform exceeds the checking load, the larger safety risk is generated.

In some embodiments, the design size of the section steel cantilever unloading platform device provided by the embodiment of the application is 2.7m×5m in length (wherein the range length of the outer scaffold is 1.4 m, and the platform is 3.6 m in length);

Optionally, the use area (5-1.4) of the unloading platform is equal to or less than 2m2, the ratio of length to width (5-1.4)/2.7=1.33:1 is equal to or less than 1.5:1, the size of the unloading bearing platform 300 arranged on the unloading platform in the middle is equal to or less than 1.54 x 2.2=3.3838 m2, the stacking load is limited to be equal to or less than 1.5t,1.5/3.388 =443 kg/m2, the requirement that the uniform load of the unloading platform is not greater than 5.5 KN/-square meter is met, the unloading bearing platform 300 is supported by four corner feet to bear force, and is placed on two section steel secondary beams 210 of the unloading platform, the load is limited to be 1.5t, and the requirement 300300 that the concentrated load is not greater than 15KN is met.

In some implementation scenes, the profile steel cantilever unloading platform device comprises a profile steel main beam 110, a profile steel secondary beam 210 and a platform panel 400, wherein the profile steel main beam 110 adopts 2 20#b I-steel with the length of 5m (material arranging and extension forbidden) as a main stress member; the section steel secondary beam 210 adopts 6 16# I-steel with the length of 2.5m as a secondary beam component, and the connection design of the section steel main beam 110 and the secondary beam is as shown in fig. 2: two ends of the section steel secondary beam 210 are respectively connected with lug plates of the section steel main beam 110 by adopting 2M 20 high-strength bolts (10.9 level).

In some implementation scenarios, the width of the unloading bearing platform 300 is not greater than 1/2 of the whole width of the unloading platform (the width can be 1/2 of the whole width of the unloading platform, and the unloading bearing platform is limited according to actual needs), and the unloading bearing platform is arranged in the middle, so that the risk of eccentric stress of the whole unloading platform can be greatly reduced; the two end supporting legs in the length direction of the unloading bearing platform 300 are provided with sensors, as shown in fig. 1, 6 steel secondary beams 210 are adopted, the 2 nd and 5 th secondary beams are taken as supporting points, the platform and the front and rear end areas are lifting areas, and personnel cannot stay in the lifting areas during lifting; the panel of the unloading bearing platform 300 adopts a structural plate with a thickness of 4mm, 4 platform keels with a length of 100 x 50 x 4 are arranged in a long direction, and two ends of each keel are welded by sealing heads of the structural plate with a thickness of 1540 x 100 x 10 mm; four sensor mounting and fixing structure plates are arranged at the lower parts of four corners of the unloading bearing platform 300, and 4 pressure sensors and 4 leveling supporting legs are mounted. The threading holes and the spool fixing sheets are arranged at the two ends of the platform.

It should be noted that, specific data of the steel cantilever unloading platform device provided by the embodiment of the present application is only used as an example and not limited, and data such as the steel main beam 110, the steel secondary beam 210, etc. may be modified correspondingly according to actual requirements.

Illustratively, the unloading load-bearing platform 300 includes a platform edge-sealing steel plate 310 and a plurality of platform keels 320, the plurality of platform keels 320 are disposed along the direction of the profile steel main beam 110, the platform edge-sealing steel plate 310 is fixedly mounted on the plurality of platform keels 320, the pressure sensors are respectively disposed below four corners of the unloading load-bearing platform 300, and each pressure sensor is provided with a corresponding leveling leg; the steel section overhanging discharging platform device is monitored through data of the pressure sensor, platform monitoring data are obtained, the platform monitoring data are transmitted to mobile terminal equipment in a wireless mode through an internet of things module, the mobile terminal equipment monitors the steel section overhanging discharging platform device, and alarming prompt is carried out when the platform monitoring data exceed a threshold value.

Optionally, the platform monitoring data includes one or more of a stacking load value of the unloading platform, a tensile force value of the steel wire rope, a stacking value exceeding a preset limit value after overtime, and the like, and other data can be added as required, which is not limited herein.

In some embodiments, 4 pressure sensors are arranged at four corners at the bottom of the unloading bearing platform 300 defined by the unloading platform, load borne by the unloading bearing platform 300 is transmitted to a data display controller arranged in an intelligent control box at the side surface of a guardrail in real time, meanwhile, a tension sensor is arranged on a main rope 710 of a pull-up force pulling mechanism, stress data of the main rope 710 of the pulling mechanism is transmitted to the data display controller in the intelligent control box in real time, and the real reliability of the data is ensured by mutual data verification of the pressure sensor and the tension sensor, and overtime stacking monitoring measures are assisted, so that the safety operation conditions of the loading, the stress and the long-time stacking of the unloading platform are monitored in all directions, and the occurrence rate of potential safety hazards is reduced; platform monitoring data can be transmitted to mobile phone APP terminal equipment through an Internet of things module in a wireless mode, an alarm device is arranged on the platform monitoring system, when a stacking load value of a discharging platform, a steel wire rope tension value and a overtime stacking value exceed preset limit values, a field alarm program of the discharging platform is immediately started, and meanwhile terminal equipment such as a mobile phone automatically sends out a popup alarm prompt.

In some implementations, a stamped steel springboard is laid over the personnel walking area on the section steel secondary beam 210; optionally, 4 steel springboards are punched by 3.55 x 0.25 x 50, 12 steel springboards are punched by 0.75 x 250 x 0.5, the steel springboards are fully paved perpendicular to the section steel secondary beam 210, and the steel springboards and the 2-thickness long pattern structural board are firmly fixed by 5 dovetail plum blossom-shaped nails; because the special lifting ring with phi 20 is arranged between the steel springboard and the main beam, a gap of 20mm is generated, a 2600 x 100 x 2 thick pattern structural board is adopted, and after the round steel part of the lifting ring with phi 20 is provided with a notch, 1 row of hexagonal dovetail wires with the distance of more than or equal to 500mm are nailed into the steel springboard for fixation firmly.

Illustratively, the steel overhanging discharging platform device further comprises a personnel walking panel, wherein the personnel walking panel is arranged on the steel secondary beam 210, and the personnel walking panel is perpendicular to the steel secondary beam 210, and the discharging bearing platform 300 and the personnel walking panel are fully paved on the platform panel 400.

Illustratively, the profile steel girder assembly 100 further includes a plurality of U-shaped anchor rings 113 and a plurality of bolt pressing plates, wherein the bolt pressing plates are installed in a matched manner with the U-shaped anchor rings 113, and the profile steel girder 110 is fixedly installed on the building floor 502 through the U-shaped anchor rings 113.

Illustratively, two bearing hanging plates 111 are arranged on the outer side of the steel girder 110, the bearing mechanism of the steel cantilever unloading platform device is fixed through the bearing hanging plates 111, two carrying hanging rings 112 are arranged on the inner side of the steel girder 110, and stiffening plates are welded between the carrying hanging rings 112 and the steel girder 110.

In some embodiments, 2 stress hanging plates 111 are arranged on the outer side of each section steel main beam 110, the lower ends of the traction mechanisms 700 penetrate through the stress hanging plates 111 to be fixed, and the upper ends of the traction mechanisms 700 penetrate through bolts fixed with the building 500 to form a cable-stayed stress system of the unloading platform; the inner side of each section steel girder 110 is provided with 2 carrying hanging rings 112 for being used when the transporting and unloading platform is hoisted.

Illustratively, the device further comprises a pulling mechanism 700, wherein the upper end of the pulling mechanism 700 is fixedly arranged on the building body through a bolt hanging ring, the lower end of the pulling mechanism 700 is assembled with a hanging point of the profile steel girder 110 through a lifting lug structural plate, and a stiffening structural plate is arranged between the lifting lug structural plate and the profile steel girder 110.

Illustratively, the traction mechanism 700 is provided with a traction mechanism main rope 710 and a traction mechanism auxiliary rope 720, wherein the upper end of the traction mechanism main rope 710 is fixedly arranged on a building body through a U-shaped bolt, and the upper end of the traction mechanism auxiliary rope 720 is fixedly arranged on the building body through a preset annular bolt; the lower ends of the main rope 710 and the auxiliary rope 720 of the traction mechanism are respectively and tightly clamped with the lifting lug structure plates welded at the end part of the profile steel main beam 110 to form a hanging stress system of the unloading platform-building body 500.

In some embodiments, the primary rope of the pulling mechanism 700 is fixed by a U-bolt, and the secondary rope of the pulling mechanism 700 is fixed by a preset ring bolt.

Illustratively, the lifting lug structural plates are welded at the end of the steel girder 110, and the stiffening structural plates are welded in gaps between the lifting lug structural plates and the I-steel web of the steel girder 110 to form I-shaped reinforcing weld seams.

Illustratively, the steel wire rope is a spiral steel wire bundle formed by twisting steel wires meeting the requirements of mechanical properties and geometric dimensions together according to a certain rule, and consists of steel wires, a rope core and lubricating grease. The steel wire rope is a spiral rope which is formed by twisting multiple layers of steel wires into strands and then taking a rope core as the center. In a materials handling machine, for lifting, pulling, tensioning and carrying. The steel wire rope has high strength, light dead weight, stable work, difficult sudden whole breakage and reliable work.

In some embodiments, in the steel overhanging discharging platform device provided by the embodiment of the application, a phi 32-phi 40 hard PVC sleeve is reserved at the position of a structural beam at a safety steel wire rope hanging point, a preset annular bolt which is integrally forged is penetrated into the PVC sleeve, 1 double nuts of 100 x 10 structural plate gaskets are added at the indoor end to be screwed, and the length of the bolt extending out of the nuts is not smaller than 3 buckles.

Optionally, a lifting lug structural plate with the thickness of 20mm is welded at a designated position at the end part of the unloading steel girder 110, a stiffening structural plate with the thickness of 20mm is welded between the lifting lug structural plate and the I-shaped steel web plate to form an I-shaped reinforced welding seam, the welding strength of the stress lifting plate 111 and the I-shaped steel girder is increased, and the lower ends of a main rope 710 and an auxiliary rope of a traction mechanism are respectively and tightly clamped with a lifting lug device of the lifting lug structural plate with the thickness of 20mm at the end part of the unloading steel girder 110 to form a hanging stress system of the unloading platform building 500. The lifting points of the traction mechanisms at the two sides of the unloading platform are arranged on the main beam and outside the guardrails, the main ropes and the auxiliary ropes can be arranged up and down and can also be arranged left and right, the main ropes are arranged on the outer side and the auxiliary ropes are arranged on the inner side, the vertical projection included angle between the traction mechanisms and the horizontal plane of the profile steel main beam 110 is 0-5 degrees, the lifting point of the main ropes is not more than 500mm away from the front end of the platform, and the lifting point of the safety ropes is not more than 500mm away from the lifting point of the main ropes; the traction mechanism cannot be contacted with the outer frame, hanging points at two ends of the traction mechanism are protected by heart-shaped rings, and the traction mechanism cannot be in a shearing state, for example, when a structure is worn in a reserved hole or a contact surface with the structure, a rubber cushion is added for protection, so that the abrasion of the traction mechanism is prevented.

Optionally, the main rope of the traction mechanism and the auxiliary rope of the traction mechanism are steel wire ropes. The steel wire rope needs to bear the action of alternating load in the use process, and the use performance of the steel wire rope is mainly determined by the mechanical property of the steel wire, the surface state of the steel wire and the structure of the steel wire rope. The steel wire material comprises carbon steel or alloy steel, is formed by cold drawing or cold rolling, the cross section of the steel wire is round or special-shaped (T-shaped, S-shaped and Z-shaped), the special-shaped cross section steel wire is mainly used for producing a sealing steel wire rope, has higher tensile strength and toughness, and is subjected to proper surface treatment to meet the requirements of different use environment conditions. The main function of the rope core is to support the steel wire rope so as to achieve a stable cross-sectional structure. The rope core comprises a steel core and a fiber core, the fiber core comprises a natural fiber core and a synthetic fiber core, the natural fiber core comprises sisal hemp, jute, cotton threads and the like, and the synthetic fiber core comprises polyethylene filaments, polypropylene filaments and the like. The natural fiber core can store more lubricating grease, plays a role in lubricating the steel wire rope, and prolongs the service life of the steel wire rope.

Referring to fig. 4 and 5, fig. 4 is a schematic installation diagram of a U-shaped bolt, a building body and a pulling mechanism according to an embodiment of the present application, and fig. 5 is a schematic installation diagram of a preset ring-shaped bolt, a building body and a pulling mechanism according to an embodiment of the present application; the building body 500 is provided with a first preformed hole, the U-shaped bolt 510 penetrates through the first preformed hole and is vertically arranged on the building body 500, the bending circular arc starting point of the U-shaped bolt 510 is tightly attached to the wall surface of the building body 500, and the main rope 710 of the traction mechanism is connected with the U-shaped bolt 510 through a heart-shaped ring; the building body 500 is provided with a second preformed hole through which the preset ring bolt 520 passes and is vertically installed to the building body 500, and the pulling mechanism auxiliary rope 720 is connected with the preset ring bolt 520 through a heart-shaped ring. Optionally, a plurality of wire rope clamps 730 and safety bends 740 are provided on both the primary and secondary guy ropes 710, 720.

In some implementations, the U-bolts 510 employ U-shaped high strength bolts; u-shaped bolts, namely riding bolts, are named U-bolts and are non-standard parts, are named because of the U shape, are threaded at two ends and can be combined with nuts, and are mainly used for fixing tubular objects such as water pipes or sheet-shaped objects such as plate springs of automobiles, and are named as riding bolts because the mode of fixing the objects is like people riding on the horse.

In some implementations, the preset ring bolt 520 is a ring-shaped high strength bolt; the annular high-strength bolt can be made of high-strength steel; in general, high strength bolts are used for the connection of bridges, rails, high-voltage and ultra-high-voltage equipment. The fracture of such bolts is mostly brittle fracture.

Illustratively, the section steel cantilever unloading platform device is provided with a section steel stop mechanism 800, and the section steel stop mechanism 800 is arranged between the building body 500 and the section steel main beam 110; thus, by providing the section steel stopper mechanism 800, the stability of the installation between the building body 500 and the section steel main beam 110 is improved.

Illustratively, the section steel cantilever unloading platform device is provided with an alarm control box 900, the alarm control box is arranged on the protection guardrail 600, and the alarm control box 900 is electrically connected with a pressure sensor; therefore, when the stacking load value, the steel wire rope tension value and the overtime stacking value of the discharging platform exceed the preset limit value, the on-site alarm program of the discharging platform is immediately started, and meanwhile, terminal equipment such as a mobile phone and the like automatically send out a popup alarm prompt.

Illustratively, the unloading bearing platform 300 is higher than the platform panel 400 by a first preset height, and two steel pipe column bars with a second preset height are respectively arranged on two sides of the unloading bearing platform 300.

In some embodiments, the steel overhanging discharging platform device has a protective rail 600 provided on the platform panel 400; the structural design of the guard rail 600 is shown in fig. 3: the sliding folding guardrail door is arranged on the front side of the outer side of the scaffold, the electromagnetic lock 2 is arranged on the guardrail door, and one side of the sliding door leaf is fixedly arranged on a platform guardrail door upright post.

Optionally, in order to facilitate the lifting, transferring and unloading platform of the tower crane, two carrying lifting rings 112 are arranged on the inner side of each section steel main beam 110, one lifting lug plate device is arranged 3.2m away from the front end of the section steel main beam 110, one lifting lug plate device is arranged 0.3m away from the front end of the section steel main beam 110, the lifting rings are made of round steel with the diameter of more than or equal to 20 HPB300, and the round steel of the lifting rings should be subjected to one-time cold bending forming and cannot be repeatedly bent; the contact surface of the carrying hanging ring 112 and the steel girder 110 should be fully welded, the gap between the carrying hanging ring 112 and the web plate of the steel girder 110 is welded for reinforcing by a 10-thickness stiffening plate, and the welding seam cannot have welding seam quality defects such as undercut, slag inclusion, crack and the like.

Exemplary, with reference to fig. 1 to 5, the specific assembly flow of the section steel overhanging discharging platform device provided by the embodiment of the application is as follows:

1. The materials used for the platform are strictly controlled, and all materials should be qualified and have quality assurance certificates (provided by component manufacturers) including steel, bolts, steel guard plates and the like;

2. Before assembly, checking the number of components entering the field and quality documents, and checking that all welded junctions of the components are required to be fully welded strictly according to welding specifications and the specified welding seam height is met;

3. Selecting a flat field as an assembly field according to the overall dimension, the weight and the lifting range covered by the tower crane, and cleaning up field sundries;

4. Fixing fence: in order to facilitate transportation and simple installation, the discharging platform is in a folding state when leaving the factory, the outer side guard rail is lifted upwards firstly, the guard rail bottom support and the base bolt holes are penetrated by bolts, special gaskets are placed, and nuts are screwed down for firm installation; respectively lifting guardrails horizontally arranged on the left side and the right side, penetrating the bottom support of the guardrails and the bolt holes of the base by bolts, placing special gaskets, and tightening nuts for firm installation; then installing a heightened guardrail and fixing firmly by bolts; checking to ensure that no larger gap exists between the guard board of the vertical face of the fence and the panel of the platform, and preventing objects such as tools, materials and the like from falling from the discharging platform;

5. Checking whether the secondary beams of the unloading platform meet the design requirements, wherein the secondary beams of the unloading platform are designed according to 5 pieces and are used when the outer wall protection frame is constructed on the main body structure, and the full-spread scaffold plates in the outer frame range are communicated with the scaffold plates of the unloading platform, and the protection railings of the vertical surfaces on the two sides are also communicated with the protection railings of the unloading platform, so that the construction safety is ensured; if the main body structure has no outer wall protection frame in the using stage of the overrun alarm unloading platform, a user needs to put two additional secondary beams on an order form, and all 7 secondary beams can meet the safe use condition;

6. Installing an intelligent control box and a sensor: the intelligent control box with the display screen is arranged on a guardrail at one side of the discharging platform and is firmly arranged with a vertical rod penetrating through the guardrail by a bolt; two tension sensors are arranged on a main rope of a traction mechanism, and data wires of the tension sensors are connected to corresponding wiring terminals of an intelligent control box; the pressure sensor data wire led out from the material platform is connected to the corresponding wiring terminal of the intelligent control box, the power supply is connected after the data wire is connected, data debugging and parameter setting are carried out on the sensor and the control system, and after the data is displayed without errors, the monitoring alarm parameter setting is completed;

7. Checking whether the stamping steel springboard paved in the walking range of the personnel on the secondary beam is fixed firmly, and if the stamping steel springboard is in a movable sign, driving a 60mm dovetail wire into a movable part to fix firmly;

8. After the systems are assembled, the whole size, the connecting nodes and the appearance are checked once again, and after no quality problem exists, the marks are hung according to the safety management requirement of the construction site.

In some embodiments, the force-bearing mechanism in the steel cantilever unloading platform device provided by the embodiment of the application can adopt a steel bar pull rod to replace a steel wire rope inclined-pulling force-bearing structure.

In all embodiments of the present application, "large" and "small" are relative terms, "more" and "less" are relative terms, "upper" and "lower" are relative terms, and the description of such relative terms is not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in an embodiment of the application," or "as an alternative embodiment" in various places throughout this specification are not necessarily referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art will also appreciate that the embodiments described in the specification are alternative embodiments and that the acts and modules referred to are not necessarily required for the present application.

In various embodiments of the present application, it should be understood that the sequence numbers of the foregoing processes do not imply that the execution sequences of the processes should be determined by the functions and internal logic of the processes, and should not be construed as limiting the implementation of the embodiments of the present application.

The foregoing is merely illustrative of the present application, and the present application is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present application. Therefore, the protection scope of the application shall be subject to the protection scope of the claims.

Claims (10)

1. The section steel cantilever unloading platform device is characterized by comprising a section steel main beam assembly, a section steel secondary beam assembly, an unloading bearing platform and a pressure sensor assembly;

The profile steel girder assembly comprises two profile steel girders which are oppositely arranged, and the profile steel girders are fixedly arranged on a building body;

the section steel secondary beam assembly comprises a plurality of section steel secondary beams, two ends of each section steel secondary beam are fixedly arranged on the two section steel main beams, and the section steel secondary beams are oppositely arranged;

The unloading bearing platform is fixedly arranged on part of the section steel secondary beams in the plurality of section steel secondary beams; the pressure sensor assembly comprises a plurality of pressure sensors, and the pressure sensors are arranged on the unloading bearing platform.

2. The section steel cantilever unloading platform device according to claim 1, further comprising a protection guardrail and a channel steel base, wherein the channel steel base is fixedly installed on the section steel main beam, a mechanical hole is formed in the channel steel base, and the protection guardrail is fixedly installed on the channel steel base through the mechanical hole.

3. The section steel overhanging discharging platform device according to claim 1 or 2, wherein the discharging bearing platform comprises a platform edge sealing steel plate and a plurality of platform keels, the plurality of platform keels are arranged along the section steel main beam direction, the platform edge sealing steel plate is fixedly installed on the plurality of platform keels, the pressure sensors are respectively arranged below four corners of the discharging bearing platform, and each pressure sensor is provided with a corresponding leveling supporting leg.

4. The section steel cantilever unloading platform device according to claim 2, wherein the section steel cantilever unloading platform device is provided with an alarm control box, the alarm control box is arranged on the protection guardrail, and the alarm control box is electrically connected with the pressure sensor.

5. The profiled bar overhanging discharge platform assembly as claimed in claim 2, further comprising a guardrail base disposed under the protective guardrail.

6. The section steel cantilever unloading platform device according to claim 1, wherein the section steel main beam assembly further comprises a plurality of U-shaped anchor rings and a plurality of bolt pressing plates, the bolt pressing plates are installed in a matched mode with the U-shaped anchor rings, and the section steel main beam is fixedly installed on a building floor slab through the U-shaped anchor rings.

7. The steel cantilever unloading platform device according to claim 6, wherein two stress hanging plates are arranged on the outer side of the steel girder, a bearing mechanism of the steel cantilever unloading platform device is fixed through the stress hanging plates, two carrying hanging rings are arranged on the inner side of the steel girder, and stiffening plates are welded with the carrying hanging rings and the steel girder.

8. The section steel cantilever unloading platform device according to claim 1, further comprising a pulling mechanism, wherein the upper end of the pulling mechanism is fixedly installed on a building body through a bolt hanging ring, the lower end of the pulling mechanism is assembled with a hanging point of the section steel girder through a lifting lug structural plate, and a stiffening structural plate is arranged between the lifting lug structural plate and the section steel girder.

9. The section steel cantilever unloading platform device according to claim 8, wherein the traction mechanism is provided with a traction mechanism main rope and a traction mechanism auxiliary rope, the upper end of the traction mechanism main rope is fixedly arranged on a building body through a U-shaped bolt, and the upper end of the traction mechanism auxiliary rope is fixedly arranged on the building body through a preset annular bolt; and the lower ends of the main rope and the auxiliary rope of the traction mechanism are respectively and tightly clamped with the lifting lug structural plates welded at the end parts of the profile steel main beams, so that a hanging stress system of the unloading platform-building body is formed.

10. The section steel cantilever unloading platform device according to claim 1, wherein the section steel cantilever unloading platform device is provided with a section steel stop mechanism, and the section steel stop mechanism is arranged between the building body and the section steel main beam.