A cantilevered unloading platform for construction engineering

Abstract

This utility model provides a cantilevered unloading platform for construction engineering, belonging to the technical field of construction equipment. It addresses the problem of unauthorized operations where hoisting work is started before personnel have been safely evacuated, leading to safety accidents such as falls from heights, falling objects, and even platform instability and overturning. The platform includes a base plate, protective fencing, safety doors, supporting cantilever arms, a warning horn, a fall arrest component, and a safety hoisting component. The protective fencing is welded to the top of the base plate. The safety doors are hinged to the front left and right sides of the protective fencing. The supporting cantilever arms are welded to the front left and right sides of the base plate. The warning horn is fixedly connected to the rear of the safety doors. The fall arrest component is located on the outside of the supporting cantilever arms. The safety hoisting component is located on the inside of the protective fencing, thus improving the safety of hoisting operations on the unloading platform.

Description

Technical Field

[0001] This utility model belongs to the field of construction equipment technology, and more specifically, it relates to a cantilevered unloading platform for construction projects. Background Technology

[0002] Cantilevered unloading platforms for construction engineering are key temporary structural facilities used for material turnover and transfer in high-rise building construction. They typically use steel sections as primary and secondary load-bearing beams, with one end anchored to the main building structure floor slab or beam, and the other end cantilevered outward to form a working platform. The overall stability is improved by using steel wire ropes for diagonal unloading. They are mainly used for the temporary stacking and tower crane hoisting and transfer of building materials such as formwork, steel pipes, blocks, and mortar during construction, effectively solving the operational needs of vertical transportation and floor material transfer in high-rise buildings.

[0003] Existing application number: CN202421414483.5 A foldable unloading platform pull-out integrated protective device belongs to the field of construction safety. This device includes an unloading platform and a protective device. The unloading platform includes an I-beam main beam, an I-beam secondary beam, an anti-reverse device, a lifting ring, side baffles, a front baffle, an angle limiting plate, and a bottom plate. The protective device includes a sliding side protective frame steel mesh, a sliding front protective frame steel mesh, channel steel guide rails for the protective frame steel mesh, and protective mesh tie rods. This utility model improves the ease of installation and use of the safety protection device. During long-term engineering storage and transportation, it effectively avoids structural damage caused by secondary or even multiple welding processes, protects the integrity of the cantilevered unloading platform and the protective device, and improves the overall structural stability, safety, and durability. Simultaneously, it reduces the space required for storage and transportation, saving engineering transportation and labor costs.

[0004] Based on the above, during the operation of using tower cranes to lift and unload building materials within the unloading platform, the tower crane operator is affected by factors such as limited working angle, obstruction by on-site materials, and deviations in long-distance observation. It is difficult to determine in real time and accurately whether the operators have completely evacuated the unloading platform. This can easily lead to violations such as starting the lifting operation before the personnel have been safely evacuated, which can cause safety accidents such as falls from heights, being struck by objects, or even the unloading platform becoming unstable and overturning, posing certain safety hazards. Utility Model Content

[0005] To address the aforementioned technical problems, this utility model provides a cantilevered unloading platform for construction engineering, thereby resolving the issue of unauthorized operations where hoisting work is started before personnel have been safely evacuated, leading to safety accidents such as falls from heights, being struck by objects, or even the platform becoming unstable and overturning, posing certain safety hazards.

[0006] The purpose and effect of this utility model, a cantilevered unloading platform for construction engineering, are achieved by the following specific technical means:

[0007] A cantilevered unloading platform for construction engineering includes a platform base plate, a protective enclosure, safety doors, supporting cantilever arms, a warning horn, a safety fall arrestor, and a safety hoisting assembly. The protective enclosure is welded to the top of the platform base plate. Two sets of safety doors are provided, each hinged to the left and right sides of the front of the protective enclosure. Two sets of supporting cantilever arms are provided, each welded to the left and right sides of the front of the platform base plate. The warning horn is fixedly connected to the rear of the safety doors. The safety fall arrestor is located on the outer side of the supporting cantilever arms. The safety hoisting assembly is located on the inner side of the protective enclosure.

[0008] Furthermore, the safety fall arrestor includes: an anti-detachment limiting component and an anti-slip limiting component; two sets of anti-detachment limiting components are provided, and the two sets of anti-detachment limiting components are respectively welded to the upper front end of the supporting cantilever arm; two sets of anti-slip limiting components are provided, and the two sets of anti-slip limiting components are respectively fixedly connected to the lower part of the supporting cantilever arm, with the inner side of the two sets of anti-slip limiting components in close contact with the building's exterior wall.

[0009] Furthermore, the safety fall arrestor also includes a fall arrestor net and anti-slip texture; the fall arrestor net is fixedly connected to the lower front end of the unloading platform base plate; the anti-slip texture is etched on the lower part of the supporting cantilever arm.

[0010] Furthermore, the safety hoisting assembly includes: anti-collision components and guide components; the anti-collision components are provided in multiple sets, each set of anti-collision components is a roller structure, and the multiple sets of anti-collision components are rotatably connected to the left and right sides of the protective fence; the guide components are funnel-shaped structures and are welded to the top of the protective fence.

[0011] Furthermore, the safety hoisting assembly also includes: a first monitoring element; the first monitoring element is a through-beam infrared photoelectric switch structure, the first monitoring element is fixedly connected to the left and right sides of the protective fence, and the first monitoring element is electrically connected to the switch circuit of the warning speaker.

[0012] Furthermore, the safety hoisting assembly also includes: a second monitoring element; the second monitoring element is a magnetic proximity switch structure, the second monitoring element is fixedly connected to the opposite ends of the two sets of safety protection doors, the second monitoring element is electrically connected to the switch circuit of the warning speaker, and the second monitoring element is electrically connected to the first monitoring element.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] This utility model, through the inclusion of a safety anti-fall component, effectively limits and constrains the cantilever arm by setting an anti-detachment limiting component at the front end of the supporting cantilever arm, preventing longitudinal displacement. Combined with the anti-slip limiting component and anti-slip texture below, it significantly increases the frictional resistance between the supporting cantilever arm and the building structure, preventing slippage and displacement of the platform during use, and greatly improving the overall structural stability of the unloading platform during installation and use. Simultaneously, the anti-fall net installed at the front end of the unloading platform's base plate effectively intercepts and catches accidentally falling small components and material debris, preventing safety hazards from falling objects at the source, further enhancing the safety of the platform during use, and ensuring the safety of personnel and equipment in the construction area below.

[0015] This utility model, through the setting of a safety hoisting component and the coordinated linkage of the first monitoring component, the second monitoring component, and the warning horn, effectively solves the technical pain point in existing tower crane hoisting operations where the operator finds it difficult to judge in real time whether personnel have been evacuated from the unloading platform and whether the safety protection doors are closed. It enforces and standardizes the hoisting operation process, ensuring that the warning horn only stops sounding when the operators have completely evacuated the unloading platform and both sets of safety protection doors are completely closed. This provides tower crane operators with intuitive and accurate operational safety judgment, eliminating the illegal operation of starting hoisting before personnel have been evacuated, effectively avoiding safety accidents such as falls from heights and falling objects, and protecting the personal safety of operators. Meanwhile, the guide components can guide the lifting equipment to be accurately lowered to the material stacking area, reducing the operating difficulty for tower crane operators, improving the efficiency of lifting operations, and avoiding the collision hazards caused by equipment deviation; the anti-collision components can convert rigid collisions during the lifting process into rolling friction, effectively buffering the impact force of the collision, which can not only protect the protective fence from damage and extend its service life, but also prevent materials from shaking and slipping due to collisions, ensuring the stability of materials during the lifting process, and further improving the safety of the unloading platform lifting operations. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the anti-fall net structure of this utility model.

[0018] Figure 3 This is a schematic diagram of the guide component structure of this utility model.

[0019] Figure 4 This is a schematic diagram of the structure of the first monitoring component of this utility model.

[0020] Figure 5 This is a schematic diagram of the anti-slip limiting component of this utility model.

[0021] In the diagram, the correspondence between component names and drawing numbers is as follows:

[0022] 1. Unloading platform base plate; 101. Anti-detachment limiting component; 102. Anti-slip limiting component; 103. Anti-fall net; 104. Anti-slip texture; 2. Protective enclosure; 201. Anti-collision component; 202. Guide component; 203. First monitoring component; 204. Second monitoring component; 3. Safety protection door; 4. Supporting cantilever arm; 5. Warning horn. Detailed Implementation

[0023] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0024] Example 1:

[0025] As attached Figure 1 To be continued Figure 5 As shown:

[0026] This utility model provides a cantilevered unloading platform for construction engineering, including an unloading platform base plate 1, a protective enclosure 2, a safety gate 3, a supporting cantilever arm 4, a warning horn 5, and a safety fall prevention component; the protective enclosure 2 is welded to the top of the unloading platform base plate 1; two sets of safety gates 3 are provided, and the two sets of safety gates 3 are respectively hinged to the left and right sides in front of the protective enclosure 2; two sets of supporting cantilever arms 4 are provided, and the two sets of supporting cantilever arms 4 are respectively welded to the left and right sides in front of the unloading platform base plate 1; the warning horn 5 is fixedly connected to the rear of the safety gate 3; the safety fall prevention component is located on the outside of the supporting cantilever arm 4.

[0027] The safety fall arrestor includes: anti-detachment limiting component 101 and anti-slip limiting component 102; two sets of anti-detachment limiting components 101 are provided, and the two sets of anti-detachment limiting components 101 are welded to the upper front end of the supporting cantilever arm 4 respectively; two sets of anti-slip limiting components 102 are provided, and the two sets of anti-slip limiting components 102 are fixedly connected to the lower part of the supporting cantilever arm 4 respectively, and the inner side of the two sets of anti-slip limiting components 102 is in close contact with the building exterior wall.

[0028] The safety fall protection components also include: a fall protection net 103 and anti-slip texture 104; the fall protection net 103 is fixedly connected to the lower front end of the unloading platform base plate 1; the anti-slip texture 104 is etched on the lower part of the supporting cantilever arm 4.

[0029] The specific usage and function of this embodiment are as follows: Two sets of anti-detachment limiting components 101 are welded to the front end of the upper part of the supporting cantilever arm 4, which can limit and constrain the installation position of the supporting cantilever arm 4 and prevent the supporting cantilever arm 4 from longitudinally detaching. Two sets of anti-slip limiting components 102 are fixed below the supporting cantilever arm 4 and their inner sides are in close contact with the building exterior wall. Together with the anti-slip texture 104 etched below the supporting cantilever arm 4, they can effectively increase the frictional resistance of the supporting cantilever arm 4 in contact with the building structure, avoid the supporting cantilever arm 4 from slipping and shifting, and improve the stability of the overall platform after installation. The anti-fall net 103 is fixed to the front end below the unloading platform base plate 1, which can intercept and catch small components and material debris that accidentally fall from the platform, and eliminate the safety hazards caused by falling objects from high altitudes.

[0030] Example 2:

[0031] This utility model provides a cantilevered unloading platform for construction engineering, based on Embodiment 1, as shown in the appendix. Figure 1 To be continued Figure 4 As shown, it also includes a safety hoisting assembly, which is installed inside the protective enclosure 2.

[0032] The safety hoisting components include: anti-collision components 201 and guide components 202; multiple sets of anti-collision components 201 are provided, and each set of anti-collision components 201 is a roller structure, and the multiple sets of anti-collision components 201 are rotatably connected to the left and right sides of the protective enclosure 2; the guide component 202 has a flared structure and is welded to the top of the protective enclosure 2.

[0033] The safety hoisting assembly also includes: a first monitoring component 203; the first monitoring component 203 is a through-beam infrared photoelectric switch structure, the first monitoring component 203 is fixedly connected to the left and right sides of the protective fence 2, and the first monitoring component 203 is electrically connected to the switch circuit of the warning speaker 5.

[0034] The safety hoisting assembly also includes: a second monitoring element 204; the second monitoring element 204 is a magnetic proximity switch structure, the second monitoring element 204 is fixedly connected to the opposite ends of the two sets of safety protection doors 3, the second monitoring element 204 is electrically connected to the switch circuit of the warning speaker 5, and the second monitoring element 204 is electrically connected to the first monitoring element 203.

[0035] The specific usage and function of this embodiment: Workers enter the unloading platform through two sets of safety doors 3. At this time, the safety doors 3 are not closed, the second monitoring element 204 is in a disconnected state, and there are personnel remaining on the platform. The first monitoring element 203 is blocked and in a conductive state, and both trigger the warning horn 5 to emit a warning sound. After the workers complete the material stacking, they leave the unloading platform and completely close the two sets of safety doors 3. At this time, the second monitoring element 204 is conductive due to magnetic induction, and there are no personnel remaining on the platform. The infrared beam of the first monitoring element 203 is unobstructed and in a disconnected state, and both trigger the warning horn 5 to stop emitting a sound. The tower crane operator observes the lifting... Once the alarm horn 5 stops emitting sound, the tower crane can be started. Guided by the guide component 202, the lifting equipment is accurately lowered to the material area of ​​the platform. During the lifting process, if the lifting equipment or materials accidentally collide with the protective barrier 2, the anti-collision component 201 will roll to buffer the impact force, preventing structural damage and material slippage. Throughout the lifting operation, the first monitoring component 203 and the second monitoring component 204 monitor the personnel evacuation status and the closing status of the safety protection door 3 in real time. Through linkage with the alarm horn 5, the operation process is strictly regulated to ensure that the lifting operation can only be carried out when all personnel have been evacuated and the safety protection door 3 is completely closed, effectively avoiding safety accidents caused by violations of regulations.

[0036] The following points should be noted in this article:

[0037] 1. The accompanying drawings of this embodiment only involve the structures involved in this embodiment; other structures can refer to the general design.

[0038] 2. Where there is no conflict, this embodiment and the features in the embodiment can be combined with each other to obtain new embodiments.

[0039] The above are merely specific implementations of this embodiment, but the protection scope of this embodiment is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this embodiment should be included within the protection scope of this embodiment. Therefore, the protection scope of this embodiment should be determined by the protection scope of the claims.

Claims

1. A cantilevered unloading platform for construction work, characterized in that: The system includes a base plate (1) of the unloading platform, a protective enclosure (2), a safety gate (3), a supporting cantilever arm (4), a warning horn (5), a safety anti-fall component, and a safety hoisting component. The protective enclosure (2) is welded to the top of the base plate (1) of the unloading platform. Two sets of safety gates (3) are provided, and the two sets of safety gates (3) are respectively hinged to the left and right sides in front of the protective enclosure (2). Two sets of supporting cantilever arms (4) are provided, and the two sets of supporting cantilever arms (4) are respectively welded to the left and right sides in front of the base plate (1) of the unloading platform. The warning horn (5) is fixedly connected to the rear of the safety gate (3). The safety anti-fall component is set on the outside of the supporting cantilever arm (4). The safety hoisting component is set on the inside of the protective enclosure (2).

2. The cantilevered unloading platform for construction works according to claim 1, characterized in that: The safety fall arrestor includes: anti-detachment limiting component (101) and anti-slip limiting component (102); two sets of anti-detachment limiting components (101) are provided, and the two sets of anti-detachment limiting components (101) are respectively welded to the upper front end of the supporting cantilever arm (4); two sets of anti-slip limiting components (102) are provided, and the two sets of anti-slip limiting components (102) are respectively fixedly connected to the lower part of the supporting cantilever arm (4), and the inner side of the two sets of anti-slip limiting components (102) is in close contact with the building exterior wall.

3. The cantilevered unloading platform for construction sites according to claim 1, characterized in that: The safety fall arrestor also includes: a fall arrestor net (103) and anti-slip texture (104); the fall arrestor net (103) is fixedly connected to the lower front end of the unloading platform base plate (1); the anti-slip texture (104) is etched on the lower part of the supporting cantilever arm (4).

4. The cantilevered unloading platform for construction sites according to claim 1, characterized in that: The safety hoisting assembly includes: anti-collision components (201) and guide components (202); the anti-collision components (201) are provided in multiple sets, and the multiple sets of anti-collision components (201) are all roller structures, and the multiple sets of anti-collision components (201) are rotatably connected to the left and right sides of the protective fence (2); the guide component (202) is a flared structure, and the guide component (202) is welded to the top of the protective fence (2).

5. The cantilevered unloading platform for construction engineering as described in claim 1, characterized in that: The safety hoisting assembly also includes: a first monitoring component (203); the first monitoring component (203) is a through-beam infrared photoelectric switch structure, the first monitoring component (203) is fixedly connected to the left and right sides of the protective fence (2), and the first monitoring component (203) is electrically connected to the switch circuit of the reminder speaker (5).

6. A cantilevered unloading platform for construction work as claimed in claim 5, wherein: The safety hoisting assembly also includes: a second monitoring element (204); the second monitoring element (204) is a magnetic proximity switch structure, the second monitoring element (204) is fixedly connected to the opposite ends of the two sets of safety protection doors (3), the second monitoring element (204) is electrically connected to the switch circuit of the reminder horn (5), and the second monitoring element (204) is electrically connected to the first monitoring element (203).

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