CN115584863A - An attached unloading platform device - Google Patents

Abstract

The embodiment of the application provides an attached discharging platform device, and relates to the technical field of construction equipment. The platform main beam assembly in the attached discharging platform device comprises two platform main beams which are arranged in parallel, and the platform main beams are fixedly arranged on a main body structure through support brackets and hinged supports, wherein the main body structure comprises a structure wall and a structure floor slab, and the platform main beams are arranged perpendicular to the structure wall; the platform secondary beam assembly comprises a plurality of platform secondary beams, two ends of each platform secondary beam are fixedly arranged on the two platform main beams, and the plurality of platform secondary beams are arranged in parallel; the platform panel is installed on platform girder subassembly and platform secondary beam subassembly, and material load sensing platform fixed mounting is in on some platform secondary beams among a plurality of platform secondary beam subassemblies, the width less than or equal to of material load sensing platform is half of the platform width of unloading, and material load sensing platform sets up in the platform panel between two parties. The attached discharging platform device can achieve the technical effects of improving work efficiency and reducing cost.

Description

An attached unloading platform device

technical field

The present application relates to the technical field of construction equipment, in particular to an attached unloading platform device.

Background technique

At present, the most commonly used in high-rise buildings is the cable-stayed section steel cantilever unloading platform. The main force-bearing method is to fix the section steel girder to the floor through the hot-rolled round steel pre-embedded parts, and reserve holes or holes on the upward floor structure. The pre-embedded hot-rolled round steel pull ring is used to force the end of the steel cantilever through the steel wire rope to form a hanging force system.

In the prior art, the cable-stayed section steel cantilevered unloading platform has the following disadvantages: the steel wire rope has been used for a long time for aging, and the suspension ring has been damaged by force for a long time, which affects the safe use of the platform; The embedded parts are fixed on the floor, and the anti-slip and anti-overturning stability is poor. If the reinforced embedded parts are loose after long-term use, it will easily lead to slippage of the on-site unloading platform and may cause safety accidents; the operator does not stack in the middle of the stacking area. The eccentric force on the platform, or the operator has no intuitive understanding of the load on the platform, and most of them judge based on experience, causing the actual load of the unloading platform to be far greater than the design load. Excessive use is the cause of the overturning accident of the unloading platform main reason. The above problems will easily lead to safety accidents such as rollover and overturning of the entire unloading platform structure, which seriously threatens the personal safety of operators on the construction site; The safety performance of the platform is improved, but it will have a great impact on the convenience of installation and disassembly of the unloading platform, and the efficiency of use. It is difficult to achieve the purpose of improving work efficiency and reducing costs while ensuring safety.

Contents of the invention

The purpose of the embodiment of the present application is to provide an attached unloading platform device, which can be equipped with a load sensor, and can be used in conjunction with a data display controller to realize overrun and overload alarm functions; the attached unloading platform device can improve work efficiency , While reducing costs, it can effectively reduce the safety risk of unloading platform operations.

An embodiment of the present application provides an attached unloading platform device, including a platform main beam assembly, a platform secondary beam assembly, a material load sensing platform, and a platform panel;

The platform main beam assembly includes two platform main beams, the two platform main beams are arranged in parallel, and the platform main beam is fixedly installed on the main structure through supporting corbels and hinge supports, wherein the main structure includes a structure A wall and a structural floor, the platform main beam is arranged vertically to the structural wall, and the platform main beam is arranged parallel to the structural floor;

The platform secondary beam assembly includes a plurality of platform secondary beams, the two ends of the platform secondary beams are fixedly installed on the two platform main beams, and the multiple platform secondary beams are arranged in parallel;

The platform panel is installed on the platform main beam assembly and the platform secondary beam assembly, the material load sensing platform is fixedly installed on some platform secondary beams among the plurality of platform secondary beam assemblies, and the material The width of the load sensing platform is less than or equal to half of the width of the unloading platform, and the material load sensing platform is centrally arranged on the platform panel.

In the above implementation process, the main beam of the platform is fixedly installed on the main structure through the supporting bracket and the hinge support, so as to form the connection between the main beam of the platform and the hinge support of the main structure, and install the attached unloading platform device on the main structure, that is, On the facade of the shear wall structure, the optimal design of the support anchorage joints of the main beam of the platform is realized; at the same time, the platform panel introduces the concept of "separation of people and goods", and the area of the material load sensing platform is delineated on the platform panel, which is convenient Steel pipes, wooden squares and other materials are neatly stacked, and the material load sensing platform and the front and rear ends are hoisting areas, and the two sides of the material load sensing platform can be used to set up pedestrian passages to ensure a safe operating space for workers; thus, The attached unloading platform device can achieve the technical effects of improving work efficiency and reducing costs.

Further, the material load sensing platform includes a steel plate and a plurality of square steel keels, the plurality of square steel keels are arranged along the direction of the main girder of the platform, and the steel plate is fixedly installed on the plurality of square steel keels, The four corners of the material load sensing platform are respectively provided with sensor mounting and fixing steel plates, and each of the sensor mounting and fixing steel plates is provided with load sensors and leveling legs; The unloading platform device is monitored to obtain platform monitoring data, and the platform monitoring data is wirelessly transmitted to the mobile terminal device through the Internet of Things module, and the attached unloading platform device is monitored by the mobile terminal device, and on the platform When the monitoring data exceeds the threshold, an alarm prompt will be given.

Further, the device also includes a personnel walking panel, the personnel walking panel is arranged on the platform secondary beam, and the personnel walking panel is perpendicular to the platform secondary beam, and the material load sensing platform is connected to the platform secondary beam. The personnel walking panel is fully paved on the platform panel.

Further, the supporting bracket includes a supporting bracket back plate, a horizontal bearing plate and a hinge seat fixing plate, the supporting bracket back plate is fixedly installed with the main structure, and the horizontal bearing plate is connected with the supporting bracket The leg backboard is fixedly connected, the inner end of the platform main beam is welded with a hinge support steel plate, and the inner end of the platform main beam is arranged between the two hinge support fixing plates on the horizontal bearing plate, The hinge support steel plate and the hinge support fixing plate are aligned with the bolt installation holes, and the bolts pass through the bolt installation holes, so that the support bracket and the main structure form a hinge support connection.

Further, two lug plates are arranged on the outer side of the main girder of the platform, the load-bearing mechanism of the device is fixed by the lug plates, two hoisting rings are set on the inner side of the main girder of the platform, and the lifting The lifting ring is welded with the main girder of the platform with a stiffening plate.

Further, the device also includes a load-bearing steel wire rope, the upper end of the load-bearing steel wire rope is fixedly installed on the main structure through a bolt ring, and the lower end of the load-bearing steel wire rope is assembled with the hanging point of the main beam of the platform through a lifting lug steel plate , a stiffening steel plate is arranged between the lifting lug steel plate and the main girder of the platform.

Further, the load-bearing steel wire rope is provided with a steel wire rope main rope and a steel wire rope auxiliary rope, the upper end of the steel wire rope main rope is fixedly installed on the main structure through a U-shaped bolt, and the upper end of the steel wire auxiliary rope is fixedly installed on the main structure through a ring bolt The lower ends of the main wire rope and the auxiliary wire rope are respectively installed and clamped with the lug steel plate welded to the end of the main beam of the platform to form the unloading platform-main structure suspension stress system.

Further, the lifting lug steel plate is welded to the end of the platform main girder, and the stiffening steel plate is gap welded between the lifting lug steel plate and the I-beam web of the platform main girder to form an I-shaped strengthening weld.

Further, the main structure is provided with a first reserved hole, the U-bolt passes through the first reserved hole and is vertically installed on the main structure, and the starting point of the bending arc of the U-bolt is attached to Close to the wall surface of the main structure, the main rope of the steel wire rope is connected to the U-shaped bolt through a heart-shaped ring; the main structure is provided with a second reserved hole, and the ring bolt passes through the second prepared hole. Holes are left and installed vertically on the main structure, and the auxiliary rope of the steel wire rope is connected with the annular bolt through a heart-shaped ring.

Further, guardrails are provided around the platform panel, and the steel wire rope hanging points on both sides of the load-bearing steel wire rope are respectively set on the main beam of the platform and outside the guardrail. The main rope of the load-bearing steel wire rope and The load-bearing steel wire rope auxiliary rope is arranged up and down or left and right, the load-bearing steel wire rope main rope is set on the outside, the load-bearing steel wire rope auxiliary rope is set on the inside, and the load-bearing steel wire rope and the main beam of the platform The angle between the vertical projection of the horizontal plane is 0-5°.

Further, the material load sensing platform is higher than the first preset height of the platform panel, and two steel pipe column bars of the second preset height are arranged on both sides of the material load sensing platform.

Other features and advantages disclosed in the present application will be described in the subsequent description, or some of the features and advantages can be deduced or unambiguously determined from the description, or can be known by implementing the above-mentioned technology disclosed in the present application.

In order to make the above-mentioned purpose, features and advantages of the present application more comprehensible, preferred embodiments will be described in detail below together with the accompanying drawings.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the accompanying drawings that need to be used in the embodiments of the present application will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, so It should not be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings according to these drawings without creative work.

Figure 1 is a schematic plan view of the attached unloading platform device provided in the embodiment of the present application;

Fig. 2 is the A-A cross-sectional schematic view of the attached unloading platform device provided by the embodiment of the present application;

Fig. 3 is the schematic diagram of the facade structure of the support corbel provided by the embodiment of the present application;

Fig. 4 is the B-B cross-sectional schematic diagram of the attached unloading platform device provided by the embodiment of the present application;

Fig. 5 is a schematic diagram of the outer elevation of the attached unloading platform device provided by the embodiment of the present application;

Figure 6 is a schematic diagram of the installation of the U-bolt, the main structure and the wire rope provided by the embodiment of the present application;

Fig. 7 is a schematic diagram of the installation of the ring bolt, the main structure and the wire rope provided by the embodiment of the present application.

Symbol description of main components: 100-platform main beam assembly; 110-platform main beam; 111-hanging lug plate; 112-lifting ring; 200-platform secondary beam assembly; 210-platform secondary beam; 300-material load sensing platform ;400-platform panel; 500-main structure; 510-U-bolt; 520-ring bolt; 600-supporting corbel; 610-supporting corbel backboard; 700-bearing steel wire rope; 710-main rope of steel wire rope; 720-secondary rope of steel wire rope; 730 of steel wire rope clip; 740 of safety bend;

detailed description

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. The components of the embodiments of the application generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Accordingly, the following detailed description of the embodiments of the application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely represents selected embodiments of the application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", The orientations or positional relationships indicated by "vertical", "horizontal", "horizontal", and "longitudinal" are based on the orientations or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation.

Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those skilled in the art can understand the specific meanings of these terms in this application according to specific situations.

Furthermore, the terms "installed", "disposed", "provided", "connected", "connected" are to be interpreted broadly. For example, it may be a fixed connection, a detachable connection, or an integral structure; it may be a mechanical connection, or a point connection; it may be directly connected, or indirectly connected through an intermediary, or between two devices, components or components. internal communication. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply that the indicated devices, elements or the relative importance and number of components. Unless otherwise specified, "plurality" means two or more.

The embodiment of the present application provides an attached unloading platform device, which can be applied to construction sites; in the attached unloading platform device, the main beam 110 of the platform is fixedly installed on the main structure 500 through the support bracket 600 and the hinge support. , so that the platform main beam 110 is connected to the hinge support of the main structure 500, and the attached unloading platform device is installed on the main structure 500, that is, the outer facade of the shear wall structure, so as to realize the support anchorage node of the platform main beam 110 The optimal design improves work efficiency while reducing costs; at the same time, the platform panel 400 introduces the concept of "separation of people and goods", and defines the area of the material load sensing platform 300 on the platform panel 400, which is convenient for the concentration of steel pipes, wooden squares and other materials Neatly stacked, and the material load sensing platform 300 and the front and rear ends are lifting areas, and the two sides of the material load sensing platform 300 can be used to set up pedestrian passages to ensure a safe operating space for workers; thus, load sensors can be installed. Cooperating with the data display controller can realize over-limit and overload alarm functions; the attached unloading platform device can effectively reduce the safety risk of unloading platform operations while improving work efficiency and reducing costs.

Please refer to Figure 1 and Figure 2, Figure 1 is a schematic plan view of the attached unloading platform device provided by the embodiment of the present application; Figure 2 is a schematic cross-sectional view of A-A of the attached unloading platform device provided by the embodiment of the present application; Figure 3 The schematic diagram of the front elevation structure of the supporting corbel provided by the embodiment of the application; Fig. 4 is the B-B sectional schematic diagram of the attached unloading platform device provided by the embodiment of the application;

Figure 5 is a schematic diagram of the outer elevation of the attached unloading platform device provided by the embodiment of the present application; wherein, the A-A section described in Figure 2 and the B-B section shown in Figure 3 correspond to Figure 1; the support shown in Figure 3 The corbel corresponds to area C in Figure 2;

The attached unloading platform device includes a platform main beam assembly 100 , a platform secondary beam assembly 200 , a material load sensing platform 300 and a platform panel 400 .

Exemplarily, the platform main beam assembly 100 includes two platform main beams 110, the two platform main beams 110 are arranged in parallel, and the platform main beams 110 are fixedly installed on the main structure 500 through the supporting corbel 600 and the hinge support, wherein the main structure 500 includes a structural wall and a structural floor, the platform main beam 110 is arranged perpendicular to the structural wall, and the platform main beam 110 is arranged parallel to the structural floor.

Exemplarily, the platform secondary beam assembly 200 includes a plurality of platform secondary beams 210 , the two ends of the platform secondary beams 210 are fixedly installed on the two platform main beams 110 , and the multiple platform secondary beams 210 are arranged in parallel.

Exemplarily, the material load sensing platform 300 is fixedly installed on the platform panel 400 on part of the platform secondary beams 210 in the plurality of platform secondary beam assemblies 200, the platform panel 400 is provided with the material load sensing platform 300, and the material load sensing platform The width of the platform 300 is less than or equal to half of the width of the unloading platform, and the material load sensing platform 300 is centrally arranged on the platform panel 400 .

In some embodiments, the platform panel 400 is arranged perpendicular to the platform secondary beam 210 , and the platform panel 400 and the platform secondary beam 210 are firmly fixed.

Optionally, the platform secondary beam assembly 200 includes six platform secondary beams 210 , the material load sensing platform 300 is fixed on the second and fifth platform secondary beams 210 , and the material sensing platform can be higher than the surrounding platform panels 400 .

Exemplarily, the platform main beam 110 is fixedly installed on the main body structure 500 through the support bracket 600 and the hinge support, thereby forming the connection between the platform main beam 110 and the hinge support of the main structure 500, and installing the attached unloading platform device on the main body Structure 500, that is, on the facade of the shear wall structure, realizes the optimal design of the support anchorage nodes of the platform main beam 110; at the same time, the platform panel 400 introduces the concept of "separation of people and materials", and defines the material load on the platform panel 400 The area of the sensing platform 300 is convenient for the centralized and neat stacking of steel pipes, wooden squares and other materials, and the material load sensing platform 300 and the front and rear ends are lifting areas, and the two sides of the material load sensing platform 300 can be used to set up pedestrian passages , to ensure a safe operating space for workers; thus, the attached unloading platform device can achieve the technical effects of improving work efficiency and reducing costs.

In some implementations, the design dimension of the attached type steel unloading platform device provided by the embodiment of the present application is 2.7m in width x 5m in length (the length of the outer scaffold range is 1.4m, and the length of the platform is 3.6m);

Optionally, the usable area of the unloading platform (5.-1.4)*2.7=9.72m2≤20m2, the aspect ratio (5.-1.4)/2.7=1.33:1≤1.5:1, arranged centrally on the unloading platform The size of the material load sensing platform 300 is 1.54*2.2=3.388m2, the limit stacking load is ≤1.5t, 1.5/3.388=443kg/m2, which meets the requirement that the uniform load of the unloading platform should not exceed 5.5KN/㎡, and the material load transmission The sensing platform 300 is supported by the four-corner feet and is placed on the two platform secondary beams 210 of the unloading platform. The load limit is 1.5t, which meets the requirement that the concentrated load should not exceed 15KN 300300.

In some implementation scenarios, the attached section steel unloading platform device includes platform main beam 110, platform secondary beam 210, and platform panel 400, wherein the platform main beam 110 adopts two 5m-long (monolithic, no extension) 20#b The I-beam is the main force-bearing member; the platform secondary beam 210 uses 6 16# I-beams with a length of 2.5m as the secondary beam member, and the connection design between the platform main beam 110 and the secondary beam is shown in Figure 2: the platform secondary beam 210 The two ends of the platform and the lug plates of the main beam 110 of the platform are respectively connected by two M20 high-strength bolts (grade 10.9).

In some implementation scenarios, the width of the material load sensing platform 300 is not greater than 1/2 of the overall width of the unloading platform, and it is set in the center, which can greatly reduce the risk of the overall eccentric force of the unloading platform; the length of the material load sensing platform 300 The outriggers at both ends of the direction are equipped with sensors. As shown in Figure 1, six secondary beams 210 of the platform are used, with the second, fifth and secondary beams as support points, and the platform and the front and rear ends are the hoisting areas. No personnel shall stay in the hoisting area; the panel of the material load sensing platform 300 is made of 4mm thick pattern steel plate, and 4 square steel keels of 100*50*4 are arranged in the long direction, and the ends of the keel are sealed with 1540*100*10mm steel plates Welding; the lower part of the four corners of the material load sensing platform 300 is equipped with four sensors to install fixed steel plates, and four load sensors and four leveling legs are installed. The two ends of the platform are provided with threading holes and wire pipe fixing pieces.

It should be noted that the specific data of the attached section steel unloading platform device provided in the embodiment of the present application is only an example and not limiting, such as platform main beam 110, platform secondary beam 210 and other data can be modified accordingly according to actual needs.

Exemplarily, the material load sensing platform 300 includes a steel plate and a plurality of square steel keels, the plurality of square steel keels are arranged along the direction of the main beam 110 of the platform, the steel plate is fixedly installed on the plurality of square steel keels, and the material load sensing platform 300 Sensors are installed and fixed steel plates are installed under the four corners, and each sensor is installed and fixed steel plate is provided with a load sensor and a leveling leg; the attached unloading platform device is monitored through the data of the load sensor to obtain platform monitoring. Data, the platform monitoring data is wirelessly transmitted to the mobile terminal device through the Internet of Things module, and the mobile terminal device monitors the attached unloading platform device, and gives an alarm when the platform monitoring data exceeds the threshold.

Optionally, the platform monitoring data includes one or more of the stacking load value of the unloading platform, the tension value of the wire rope, and the overtime stacking value exceeding the preset limit, and other data can also be added as required, which is not limited here.

In some embodiments, four load sensors are installed at the bottom four corners of the material load sensing platform 300 defined by the unloading platform, and the load on the material load sensing platform 300 is transmitted to the intelligent control box installed on the side of the guardrail in real time. At the same time, a tension sensor is installed on the main rope 710 of the tensioned steel wire rope to transmit the stress data of the main rope 710 to the data display controller in the intelligent control box in real time. The data are mutually verified to ensure the authenticity and reliability of the data, supplemented by overtime stacking monitoring measures, to achieve comprehensive monitoring of the safe operation of the three dimensions of unloading platform load, stress, and long-term stacking, reducing the incidence of potential safety hazards; The platform monitoring data can be wirelessly transmitted to the mobile phone APP terminal equipment through the Internet of Things module. The platform monitoring system is equipped with an alarm device. When the unloading platform stacking load value, wire rope tension value, and overtime stacking value exceed the preset limit, it will be activated immediately. The on-site alarm program of the unloading platform, and at the same time, terminal devices such as mobile phones automatically send out pop-up alarm prompts.

In some implementation scenarios, stamped steel springboards are laid on the walking area of the platform secondary beam 210; optionally, 4 stamped steel springboards of 3.55*0.25*50 and 12 stamped steel springboards of 0.75*250*0.5 are used, perpendicular to the platform secondary The beam 210 is fully paved, and 2 thick long patterned steel plates are fixed firmly with 5 dovetail plum blossom nails; there is a 20mm gap between the steel springboard and the main beam because of the φ20 special lifting ring, and the thickness is 2600*100*2 For the patterned steel plate, after opening the round steel part of the φ20 suspension ring, nail it into the steel springboard with a row of hexagonal dovetail wires with a spacing of ≥500mm and fix it firmly.

Exemplarily, the attached unloading platform device also includes a personnel walking panel, the personnel walking panel is arranged on the platform secondary beam 210, and the personnel walking panel is perpendicular to the platform secondary beam 210, and the material load sensing platform 300 and the personnel walking panel are fully paved on the platform panel 400 .

Exemplarily, the supporting corbel 600 includes a supporting corbel back plate 610, a horizontal bearing plate 620 and a hinged seat fixing plate 630, the supporting corbel back plate 610 is fixedly installed with the main structure 500, and the horizontal supporting plate 620 is connected with the supporting corbel back The plate 610 is fixedly connected, the inner end of the platform girder 110 is welded with the hinge support steel plate, the inner end of the platform girder 110 is arranged in the middle of the two hinge support fixing plates 630 on the horizontal bearing plate 620, the hinge support steel plate, The hinge support fixing plate 630 is aligned with the bolt installation holes, and the bolts pass through the bolt installation holes, so that the support bracket 600 and the main structure 500 form a hinge support connection.

In some implementation scenarios, the anchoring system of the attached unloading platform device is: one piece of hinged support steel plate welded to the bottom of the inner end of the I-beam main beam of the unloading platform, a thick steel plate with a size of 100*100*20, and the lower part of the steel plate is made into a circle Arc-shaped, the steel plate is centered with a Φ36 bolt mounting hole. The size of the section steel corbel is 220*220, and it is composed of a 10 thick steel plate back plate, a 20 thick vertical stiffening plate, a 20 thick horizontal bearing plate 620, two 20 thick hinge support fixing plates 630 on the left and right, and 2 holes in the back plate steel plate. A Φ30 bolt hole is opened on the left side, and a Φ30 oval bolt installation hole is opened on the right side.

Optionally, the section steel corbel needs to be installed before hoisting the unloading platform, and the section steel corbel processed in advance shall be fixed to the section steel hinge support of the unloading platform through the reserved holes of the shear wall with M27 high-strength bolts. Below, when the tower crane lifts and transports the unloading platform, place the steel main girder in the middle of the two hinge support fixing plates 630 on the plane of the horizontal bearing plate 620 of the steel corbel support that has been installed, and then use M27 high-strength bolts to penetrate the hinge of the corbel The support plate 630 and the steel plate bolt holes of the steel hinge support, add 10 thick steel plate gaskets, tighten and fix with double nuts, wedge the gap between the tail of the steel main beam and the structural wall with a wooden wedge, and install the unloading platform on the shear On the facade of the wall structure; each unloading platform is equipped with four steel corbels, two are installed on the use floor, and the other two are installed in advance when changing floors, and then the unloading platform is transferred.

Exemplarily, two lug plates 111 are arranged on the outside of the main beam 110 of the platform, and the load-bearing mechanism of the device is fixed by the lug plates 111. Two hoisting rings 112 are set on the inner side of the main girder 110 of the platform, and the hoisting rings 112 and The platform girder 110 is welded with a stiffener.

In some embodiments, two lug plates 111 are arranged on the outside of each platform girder 110, the lower end of the load-bearing steel wire rope 700 is fixed through the hole of the lug plate 111, and the upper end of the load-bearing steel wire rope 700 is passed through the bolt fixed to the main structure 500 to form The unloading platform is a cable-stayed force-bearing system; two hoisting rings 112 are arranged on the inner side of each platform main beam 110, which are used for hoisting and transferring the unloading platform.

Exemplarily, the device further includes load-bearing steel wire rope 700, the upper end of load-bearing steel wire rope 700 is fixedly installed on the main structure through a bolt ring, and the lower end of load-bearing steel wire rope 700 is assembled with the hanging point of platform main beam 110 through a lifting lug steel plate, and the lifting lug A stiffening steel plate is arranged between the steel plate and the platform main beam 110 .

Exemplarily, the load-bearing steel wire rope 700 is provided with a steel wire rope main rope 710 and a steel wire rope auxiliary rope 720, the upper end of the steel wire rope main rope 710 is fixedly installed on the main structure through a U-shaped bolt, and the upper end of the steel wire rope auxiliary rope 720 is fixedly installed on the main structure through a ring bolt. The main structure: the lower ends of the main wire rope 710 and the auxiliary wire rope 720 are respectively installed and clamped with the lug steel plates welded to the end of the platform main beam 110 to form the unloading platform-main structure 500 hanging stress system.

In some implementations, in the embodiment of the present application, the main rope of the load-bearing steel wire rope 700 is fixed by a U-shaped bolt, and the auxiliary rope of the load-bearing steel wire rope 700 is fixed by a ring bolt.

Exemplarily, the lifting lug steel plate is welded to the end of the platform main girder 110 , and the lifting lug steel plate and the I-shaped steel web of the platform main girder 110 are gap welded with a stiffening steel plate to form an I-shaped strengthening weld.

Exemplarily, a guardrail is provided around the platform panel 400, and the steel wire rope lifting points on both sides of the load-bearing steel wire rope 700 are respectively set on the platform girder 110 and outside the guardrail. The load-bearing steel wire rope 700 main rope and the load-bearing steel wire rope 700 The ropes are arranged up and down or left and right, the load-bearing steel wire rope 700 main rope is set on the outside, the load-bearing steel wire rope 700 auxiliary rope is set on the inside, and the vertical projection angle between the load-bearing steel wire rope 700 and the platform main beam 110 is 0-5° .

Exemplarily, the advantages of the steel wire rope pull-up stress method are cost saving and easy installation; optionally, the upper end of the stressed steel wire rope is at the shear wall of the building structure, and the reserved φ32～φ40 wall holes can be used to pass through the wall. The integrally forged 10.9-grade M27 high-strength bolt lifting ring is penetrated into the reserved hole, and a 100*100*10 steel plate gasket double nut is added to the indoor end to tighten, and the upper bolt of the hanging point is 220mm away from the top surface of the structural plate.

In some implementations, in the attached unloading platform device provided in the examples of the present application, a φ32-φ40 hard PVC sleeve is reserved at the structural beam for the hanging point of the safety wire rope, and an integrally forged ring is inserted into the PVC sleeve. For bolts, add a 100*100*10 steel plate washer and double nuts at the indoor end to tighten, and the length of the bolts protruding from the nuts must not be less than 3 buckles.

Optionally, a 20mm thick lug steel plate is welded at the specified position at the end of the main beam 110 of the unloading platform, and a 20mm thick stiffening steel plate is welded to the gap between the lug steel plate and the I-shaped steel web to form an I-shaped reinforced weld, and the lug plate 111 is added The welding strength with the I-beam main beam, the main rope 710 and the lower end of the auxiliary rope are respectively installed and clamped with the 20mm thick steel plate lifting lug device at the end of the main beam 110 of the unloading platform, forming the main structure of the unloading platform 500 hanging force system. The steel wire rope lifting points on both sides of the unloading platform are set on the main beam and outside the guardrail. The main rope and auxiliary rope can be arranged one above the other, or left and right. The main rope is on the outside and the auxiliary rope is on the inside. The positioning should be such that the angle between the steel wire rope and the vertical projection of the horizontal plane of the main beam 110 of the platform is 0-5°, the distance between the main rope lifting point and the front end of the platform should not be greater than 500mm, and the distance between the safety rope lifting point and the main rope lifting point should not be greater than 500mm; the steel wire rope should not be in contact with the outer frame For contact, the hanging points at both ends of the wire rope are protected by heart-shaped rings. The wire rope must not be in a sheared state. If it passes through a reserved hole in the structure or contacts the structure, add a rubber pad for protection to prevent the wire rope from being worn.

Optionally, the steel wire ropes are arranged on both sides of the front end of the platform, and two wire ropes are arranged on each side, and 6*19+1 steel wire ropes with a diameter of 21.5mm are used. The steel wire rope is fixed with buckles, each wire rope shall not be less than four, and the distance between the buckles shall be ≥130mm. Affected by the height of the storey and the construction schedule, the hanging point of the steel wire rope and the main body of the structure is set on the top of the first floor of the platform; the location of the hanging point should be reserved to ensure that the angle between the steel wire rope and the vertical plane on both sides of the platform should not be too large (generally not greater than 45° °); the horizontal distance between the upper hanging point of the steel wire rope (main rope) and the outer end of the platform is ≥4500mm, and the horizontal distance between the upper hanging point of the safety wire rope and the outer end of the platform is ≥4100mm.

Please refer to Figure 6 and Figure 7, Figure 6 is a schematic diagram of the installation of the U-bolt, the main structure and the steel wire rope provided by the embodiment of the present application, and Figure 7 is a schematic diagram of the installation of the ring bolt, the main structure and the steel wire rope provided by the embodiment of the present application; wherein , the main structure 500 is provided with a first reserved hole, the U-bolt 510 passes through the first reserved hole and is vertically installed on the main structure 500, and the starting point of the bending arc of the U-shaped bolt 510 is close to the wall surface of the main structure 500 , the main wire rope 710 is connected to the U-shaped bolt 510 through a heart-shaped ring; the main structure 500 is provided with a second reserved hole, the ring bolt 520 passes through the second reserved hole and is vertically installed on the main structure 500, and the auxiliary wire rope 720 passes through The heart ring is connected with the ring bolt 520 . Optionally, a plurality of wire rope clamps 730 and safety bends 740 are provided on the steel wire rope main rope 710 and the steel wire rope auxiliary rope 720 .

In some implementation scenarios, the U-shaped bolts 510 use U-shaped high-strength bolts; among them, the U-shaped high-strength bolts are used as the upper tension structure of the main rope, and the integrated forged M27 and above high-strength bolts are used, with a performance level of 10.9. There are quality defects such as obvious deformation, cracks, and thread damage; the reserved holes for the wall (beam) of the main structure 500 must be set separately, and must not be set inside the platform. In the body; the U-shaped high-strength bolts should be installed vertically, the starting point of the bolt bending arc should be close to the wall, and the connection between the steel wire rope and the U-shaped high-strength bolts should be protected by a matching heart-shaped ring; the inner side of the wall (beam) should be 100×100 The ×10mm iron gasket is tightly attached to the wall, and the double nuts are tightened. The length of the bolt protruding from the nut must not be less than 3 buckles.

In some implementation scenarios, the annular bolt 520 adopts annular high-strength bolts; among them, the annular high-strength bolts are used as the upper tension member of the safety rope, and the integrated forged M27 and above high-strength bolts are used, the performance level is 10.9, and the inner diameter of the annular bolt circle is ≥ φ40, the diameter of the ring steel member ≥ φ27; the appearance of the bolts must not have obvious deformation, thread damage, cracks and other quality defects; the reserved holes for the wall (beam) of the main structure 500 must be set separately, and must not be set inside the platform. The casing adopts a PVC pipe with an inner diameter of ≥30mm, which is reserved in the wall; when the ring high-strength bolt is installed, the ring should be vertical and close to the wall, and the connection between the steel wire rope and the component should be protected by a matching heart-shaped ring; the wall (beam) 100×100×10mm iron gaskets should be used on the inner side to cling to the wall, double nuts should be tightened, and the length of the bolts protruding from the nuts should not be less than 3 buckles.

Exemplarily, the material load sensing platform 300 is higher than the platform panel 400 by a first preset height, and two steel pipe column bars of a second preset height are arranged on both sides of the material load sensing platform 300 .

In some embodiments, the platform panel 400 of the attached unloading platform device is provided with a platform enclosure 800; the structural design of the platform enclosure 800 is shown in Figure 4: push-pull folding guardrail door, over-limit alarm unloading platform on the scaffold Install the push-pull folding guardrail door on the outer front, install 2 electromagnetic locks on the guardrail door, and install and fix the side of the push-pull door leaf on the platform guardrail door column.

In some embodiments, the structural design of the platform enclosure 800 is shown in Figure 5: the unloading platform is shaped as a guardrail, and the railing columns are made of 40*40*2 steel pipes, with a height ≥ 1.5m. A 40*20*2 steel pipe is arranged at the top, bottom and middle of the steel pipe respectively, and is connected by welding. When processing the platform, weld ≥ 200 high φ32 steel pipes on the steel beam first, and put the guardrail column into the steel pipe pile after the platform is assembled. The connection between the steel pipe pile and the steel beam adopts carbon dioxide shielded welding, and the weld height is hf≥4mm. A thick steel guard plate is nailed on the outside of the guardrail, and the outside of the guardrail on the left and right sides is sprayed with the buyer's company LOGO.

Optionally, in order to facilitate tower crane hoisting, transfer and unloading platform, two hoisting rings 112 are installed on the inner side of each main girder 20#b channel steel, and one lifting lug device is installed 3.2m away from the front end of the main girder. One lifting ear plate device is installed at 0.3m, and the lifting ring is made of HPB300≥φ20 round steel. The round steel of the lifting ring should be formed by cold bending at one time and should not be bent repeatedly; Gap welding with 10 thick stiffeners for reinforcement, and welds must not have weld quality defects such as undercut, slag inclusions, and cracks.

Exemplarily, with reference to Figures 1 to 5, the attached unloading platform device provided by the embodiment of the present application includes at least the following three optimized designs:

(1) Optimal design of the hanging point of the stressed steel wire rope: optimize the stress system of the traditional cable-stayed section steel cantilever unloading platform. The upper pull point of the load-bearing steel wire rope 700 is fixed by an integrally forged U-bolt. The hoisting point of the auxiliary rope 720 of the steel wire rope adopts ring bolts; the hoisting point of the lower end of the steel wire rope and the main body of the platform section steel adopts a 20mm thick stiffened steel plate lifting lug device, and a welded stiffening steel plate is installed between the lug plate 111 and the main girder of the shaped steel to increase the load capacity of the lifting lug device force safety factor;

(2) Optimum design of the anchorage joints of the steel main beam support: the attached steel cantilever unloading platform and the anchorage end of the main structure 500 adopt the structural form of supporting corbel 600+hinge support, and the supporting corbel 600 is composed of the back plate, vertical Stiffening plate, horizontal bearing plate 620, and hinge support plate 630, reserve φ32～φ40 wall penetration holes at the designated positions of the shear wall, and use two 10.9-grade M27 high-strength bolts to penetrate the supporting corbel backplate 610 bolt holes and the main body The structure is fixed at 500, and the lower part of the inner end of the main girder of the unloading platform is welded with a 100*100*20mm hinged support steel plate. In the middle of the two hinge support fixing plates 630 on the top, align the bolt installation holes, and use a 10.9-grade M27 bolt to penetrate the hinge support fixing plate 630 and the steel plate bolt holes of the hinge support on the corbel, plus 80*80* 10 gaskets are fixed to form a 500 hinge support connection with the main structure, and the unloading platform is installed on the outer facade of the shear wall structure; the installation of the attached section steel cantilever unloading platform is carried by a tower crane, and the workers stand on the outer scaffold For installation, each unloading platform is equipped with four supporting corbels 600, two are installed on the use floor, and the other two are installed in advance when changing floors, and then the unloading platform is transferred;

(3) Introduce the concept of "separation of people and goods", and delineate the material load sensing platform 300 area on the operation platform. The material load sensing platform 300 is about 100mm higher than the operation platform, and two steel pipes with a height of 1 meter are installed on both sides of the platform The column bar is convenient for the concentrated and neat stacking of steel pipes, wooden squares and other materials; the material load sensing platform 300 and the front and rear ends are lifting areas, and pedestrian passages are set on both sides of the material load sensing platform 300 to ensure the safe operation space for workers.

In some implementations, the load-bearing mechanism in the attached unloading platform device provided in the embodiment of the present application may use a steel bar to replace the wire rope obliquely-tensioned load-bearing structure:

The main structure of the unloading platform remains unchanged, and the anchorage structure between the main beam of the platform and the building structure remains unchanged. The steel wire rope is replaced by a hexagonal turnbuckle round steel tie rod as a cable-stayed force member. The upper tie rod is welded as one with the upper round steel tie rod, the middle hexagonal turnbuckle bolt, the lower round steel tie rod and the lower fixed steel plate are welded as a whole. The lifting lug plate of the unloading platform is fixed with high-strength bolts. The middle hexagonal turnbuckle bolt has one straight wire and one reversed wire. The round steel tie rod corresponds to one straight wire and the other reversed wire. , by turning the hexagonal turnbuckle clockwise or counterclockwise, adjust the length of the round steel rod to achieve the purpose of applying oblique tension to the unloading platform to carry the material.

It should be noted that the attached unloading platform device provided in the embodiment of the present application, its initial installation process, transfer layer installation process, and acceptance, turnover use, and maintenance processes are only examples and not limitations. In some cases, The specific process steps can be adjusted according to actual needs.

In all the embodiments of this application, "big" and "small" are relative terms, "more" and "less" are relative terms, "upper" and "lower" are relative terms, and for such Relative to the way of expressing terms, the embodiments of the present application will not repeat them any more.

It should be understood that "in this embodiment", "in this embodiment of this application" or "as an optional implementation" mentioned throughout the specification means that the specific features, structures or characteristics related to the embodiment include In at least one embodiment of the present application. Therefore, "in this embodiment", "in this embodiment of the application" or "as an alternative implementation" that appear throughout the specification do not necessarily refer 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 should also know that the embodiments described in the specification are all optional embodiments, and the actions and modules involved are not necessarily required by this application.

In various embodiments of the present application, it should be understood that the sequence numbers of the above-mentioned processes do not necessarily mean the order of execution. The implementation of the examples constitutes no limitation.

The above is only a specific implementation of the application, but the scope of protection of the application is not limited thereto. Anyone familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the application. Should be covered within the protection scope of this application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims (11)

1. An attached discharging platform device is characterized by comprising a platform main beam component, a platform secondary beam component, a material load sensing platform and a platform panel;

the platform main beam assembly comprises two platform main beams which are arranged in parallel, the platform main beams are fixedly arranged on a main body structure through support brackets and hinged supports, the main body structure comprises a structure wall and a structure floor slab, and the platform main beams are arranged perpendicular to the structure wall;

the platform secondary beam assembly comprises a plurality of platform secondary beams, two ends of each platform secondary beam are fixedly arranged on the two platform main beams, and the platform secondary beams are arranged in parallel;

the platform panel is installed on the platform main beam assembly and the platform secondary beam assembly, the material load sensing platform is fixedly installed on part of the platform secondary beams in the platform secondary beams, the width of the material load sensing platform is smaller than or equal to one half of the width of the unloading platform, and the material load sensing platform is arranged in the middle of the platform panel.

2. The attached discharging platform device according to claim 1, wherein the material load sensing platform comprises a steel plate and a plurality of square steel keels, the square steel keels are arranged along the direction of the platform main beam, the steel plate is fixedly installed on the square steel keels, sensor installation fixing steel plates are respectively arranged below four corners of the material load sensing platform, and each sensor installation fixing steel plate is provided with a load sensor and a leveling leg; the data of the load sensor is right, the attached discharging platform device is monitored, platform monitoring data are obtained, the platform monitoring data are transmitted to the mobile terminal device in a wireless mode through the Internet of things module, the mobile terminal device monitors the attached discharging platform device, and alarm prompt is conducted when the platform monitoring data exceed a threshold value.

3. The attached discharging platform device according to claim 2, further comprising a personnel walking panel, wherein the personnel walking panel is arranged on the platform secondary beam and is perpendicular to the platform secondary beam, and the material load sensing platform and the personnel walking panel are fully paved on the platform panel.

4. The attached discharging platform device according to claim 1, wherein the supporting bracket comprises a supporting bracket back plate, a horizontal bearing plate and a hinged support fixing plate, the supporting bracket back plate is fixedly installed on the main structure, the horizontal bearing plate is fixedly connected with the supporting bracket back plate, a hinged support steel plate is welded on the lower portion of the inner end of the platform main beam, the inner end of the platform main beam is arranged between the two hinged support fixing plates on the horizontal bearing plate, the hinged support steel plate and the hinged support fixing plate are aligned with a bolt mounting hole, and a bolt passes through the bolt mounting hole, so that the supporting bracket is hinged support connected with the main structure.

5. The attached discharging platform device according to claim 4, wherein two lifting lugs are arranged on the outer side of the platform main beam, the force bearing mechanism of the device is fixed by the lifting lugs, two lifting rings are arranged on the inner side of the platform main beam, and the lifting rings and the platform main beam are welded with stiffening plates.

6. The attached discharging platform device according to claim 1, further comprising a force bearing steel wire rope, wherein the upper end of the force bearing steel wire rope is fixedly mounted on the main structure through a bolt hoisting ring, the lower end of the force bearing steel wire rope and a hanging point of the platform main beam are assembled through a lifting lug steel plate, and a stiffening steel plate is arranged between the lifting lug steel plate and the platform main beam.

7. The attached discharging platform device according to claim 6, wherein the force bearing steel wire rope is provided with a steel wire rope main rope and a steel wire rope auxiliary rope, the upper end of the steel wire rope main rope is fixedly arranged on the main body structure through a U-shaped bolt, and the upper end of the steel wire rope auxiliary rope is fixedly arranged on the main body structure through an annular bolt; the lower ends of the main steel wire rope and the auxiliary steel wire rope are respectively and tightly mounted with the lifting lug steel plate welded at the end part of the platform main beam, so that a hanging stress system of the unloading platform-main body structure is formed.

8. The attached discharging platform device according to claim 7, wherein the main structure is provided with a first preformed hole, the U-shaped bolt passes through the first preformed hole and is vertically installed on the main structure, the starting point of the bending arc of the U-shaped bolt is attached to the wall surface of the main structure, and the steel wire rope main rope is connected with the U-shaped bolt through a heart-shaped ring;

the main structure is provided with a second preformed hole, the annular bolt penetrates through the second preformed hole and is vertically installed in the main structure, and the steel wire rope auxiliary rope is connected with the annular bolt through a heart-shaped ring.

9. The attached discharging platform device according to claim 7, wherein the lifting lug steel plate is welded at the end of the platform girder, and the stiffening steel plate is welded between the lifting lug steel plate and the I-shaped steel web of the platform girder at a gap to form an I-shaped reinforcing weld.

10. The attached discharging platform device according to claim 7, wherein a guardrail is disposed around the platform panel, wire rope hanging points at two sides of the force bearing wire rope are respectively disposed on the platform main beam and outside the guardrail, the force bearing wire rope main rope and the force bearing wire rope auxiliary rope are disposed up and down or left and right, the force bearing wire rope main rope is disposed at an outer side, the force bearing wire rope auxiliary rope is disposed at an inner side, and a vertical projection included angle of a horizontal plane between the force bearing wire rope and the platform main beam is 0-5 °.

11. The attached discharging platform device according to claim 1, wherein the material load sensing platform is higher than the platform panel by a first preset height, and two steel pipe upright posts with a second preset height are respectively arranged on two sides of the material load sensing platform.

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