Hoisting structure for installing steel mould trolley in middle-section tunnel

Abstract

The hoisting structure comprises an excavator bucket, a main beam, a hoisting ring, a mounting plate and a connecting plate, the back face of the excavator bucket is connected with the main beam based on the mounting plate, one end of the main beam is fixedly connected with the excavator bucket, and the other end of the main beam is overhung in front of the excavator bucket; the cantilever end of the main beam is obliquely cut, a mounting plate is fixed to the upper side of the cantilever end, mounting holes used for being connected with the hoisting rings are formed in the mounting plate and the cantilever end, and the hoisting rings are detachably connected into the mounting holes. According to the hoisting structure for installing the steel mould trolley in the middle-section tunnel, when the lining steel mould trolley is installed in the middle-section tunnel, a fixing effect can be achieved in a narrow space, rapid hoisting and translation can be achieved, the construction efficiency is improved, the adverse effect caused by expanding excavation due to insufficient hoisting space is avoided, and the construction safety is improved. And the cost is saved, and a certain safety risk can be reduced.

Description

Technical Field

[0001] This application relates to the field of water conservancy engineering technology, and in particular to a hoisting structure for installing a steel formwork trolley inside a tunnel with a cross section. Background Technology

[0002] In the implementation of current water conservancy tunnel projects, the use of tunnel steel formwork trolleys is extremely common for concrete lining operations in tunnel sections. This equipment can be installed in two ways: inside the tunnel and outside. When external installation is not feasible, we usually choose to install the steel formwork trolley inside the tunnel as an alternative. However, when installing inside the tunnel in a tunnel section, the problem of limited installation space is often encountered. This often forces the engineering team to widen the tunnel excavation and anchor or pre-embed hoisting devices in the widened section, followed by backfilling of the widened section during subsequent lining. This approach is not only inefficient but also involves high costs and complex operating procedures. Utility Model Content

[0003] To solve or partially solve the problems existing in the related technologies, this application provides a hoisting structure for installing a steel formwork trolley inside a tunnel with a cross section. This hoisting structure plays a fixing role in a confined space and can be quickly lifted and moved.

[0004] The first aspect of this application provides a hoisting structure for installing a steel formwork trolley inside a tunnel with a cross section, comprising: an excavator bucket, a main beam, a hoisting ring, a mounting plate, and a connecting plate. The main beam is connected to the back of the excavator bucket based on the mounting plate. One end of the main beam is fixedly connected to the bucket, and the other end is cantilevered in front of the bucket. The cantilevered end of the main beam is obliquely cut and the upper side is fixed with the mounting plate. The mounting plate and the cantilevered end are provided with mounting holes for connecting the hoisting ring, and the hoisting ring is detachably connected to the mounting holes.

[0005] The lifting ring has a notch that is sealed with bolts, allowing it to be detachably installed in the mounting hole. The technical solution provided in this application can include the following beneficial effects:

[0006] This application provides a hoisting structure for installing steel formwork trolleys inside tunnel sections. When installing lining steel formwork trolleys inside tunnel sections, the structure can not only provide fixation in confined spaces but also enable rapid lifting and horizontal movement, improving construction efficiency and avoiding the adverse effects of insufficient hoisting space requiring further excavation. This saves costs while reducing certain safety risks.

[0007] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0008] The above and other objects, features and advantages of this application will become more apparent from the more detailed description of exemplary embodiments thereof in conjunction with the accompanying drawings, wherein the same reference numerals generally represent the same components in the exemplary embodiments thereof.

[0009] Figure 1 This is a cross-sectional structural schematic diagram of the hoisting structure shown in the embodiments of this application;

[0010] Figure 2 This is a top view schematic diagram of the hoisting structure shown in the embodiments of this application;

[0011] Figure 3 This is a schematic diagram of the installation of the lifting ring of the lifting structure shown in the embodiments of this application.

[0012] Figure label:

[0013] In the diagram, 1—excavator bucket, 2—main beam, 3—lifting ring, 4—mounting plate, 5—connecting plate, 6—connecting bolt, 7—mounting hole. Detailed Implementation

[0014] Embodiments of this application will now be described in more detail with reference to the accompanying drawings. While embodiments of this application are shown in the drawings, it should be understood that this application may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided to make this application more thorough and complete, and to fully convey the scope of this application to those skilled in the art.

[0015] It should be understood that although the terms "first," "second," "third," etc., may be used in this application to describe various information, this information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another. For example, without departing from the scope of this application, first information may also be referred to as second information, and similarly, second information may also be referred to as first information. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly specified.

[0016] In the description of this application, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0017] Unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0018] The technical solutions of the embodiments of this application are described in detail below with reference to the accompanying drawings.

[0019] like Figure 1 , Figure 2 The diagram illustrates a hoisting structure for installing a steel formwork trolley inside a tunnel section, comprising: an excavator bucket 1, a main beam 2, a hoisting ring 3, a mounting plate 4, and a connecting plate 5. The main beam 2 is connected to the back of the excavator bucket based on the mounting plate 4. The main beam 2 includes a connecting end and a cantilever end. The connecting end is fixedly connected to the bucket, and the cantilever end cantilevers out in front of the bucket. The cantilever end of the main beam 2 is obliquely cut, and the mounting plate 4 is fixed to the upper side of the end. Mounting holes 7 for connecting the hoisting ring 3 are respectively provided on the mounting plate 4 and the cantilever end. The hoisting ring 3 is detachably connected to the mounting holes 7.

[0020] like Figure 3 As shown, the lifting ring 3 has a notch, which is closed by bolts to allow the lifting ring 3 to be detachably installed in the mounting hole 7. The installation position of the lifting ring is determined based on the on-site operating space, with the principle of facilitating on-site lifting. Ensure that the installation position of the lifting ring maintains a sufficient safe distance from obstacles such as the tunnel wall, other installed equipment, and temporary support structures. Avoid collisions between the load and these obstacles when lifting the steel formwork trolley components, which could affect the smooth progress of the lifting operation and the safety of the equipment. For example, if there are protruding rocks on one side of the tunnel wall, the installation position of the lifting ring should be the mounting hole 7 at the lower cantilever end.

[0021] Specifically, the materials required for the excavator hoisting structure are: a 1.05m³ backhoe excavator, two 2.5m 14a channel steels, a 0.5m I18 H-beam, and 12mm steel plates. Two 2.5m 14a channel steel sections are cut and overlapped along their long sides, then welded using double-sided lap welding to form the main beam 2. After the channel steel is welded, a 20cm long I18 H-beam is vertically welded to the upper side of the channel steel end to serve as the mounting plate 4. After welding, 22mm diameter holes are drilled at one end of both the channel steel and the H-beam as mounting holes 7. The channel steel end is cut at an angle to facilitate the subsequent installation of steel lifting rings. Lifting rings made from 20mm diameter steel bars are installed in the holes at the channel steel end for subsequent cable fixing.

[0022] After the main beam 2 is processed, several 12mm steel plates with dimensions of 15×15cm are cut as connecting plates 5. The processed main beam 2 is placed on one side of the back of the 1.05m³ backhoe bucket 1. As shown in the figure, 12mm steel plates are placed at the contact end of the main beam 2 and on the back of the backhoe bucket 1. The steel plates, main beam 2, and back of the bucket are welded together along the contact surface. 0.7m of the main beam is fixed to the back of the backhoe bucket 1 to provide sufficient support for hoisting, while 1.8m cantilevered in front of the bucket can extend into the narrow space between the formwork and the tunnel sidewall to fix the hoisting trolley components.

[0023] The connecting plate 5 connects the main beam 2 and the excavator bucket 1, while also protecting the bucket. After hoisting, the steel plate can be directly cut off to restore the excavator bucket 1 to its original state.

[0024] Finally, it should be noted that in this document, relationships such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "include," "contain," or any other variations are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus.

[0025] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0026] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0027] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the various embodiments of this application.

[0028] The various embodiments of this application have been described above. These descriptions are exemplary and not exhaustive, nor are they limited to the disclosed embodiments. Many modifications and variations will be apparent to those skilled in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen to best explain the principles, practical application, or improvement of the technology in the market, or to enable others skilled in the art to understand the embodiments disclosed herein.

Claims

1. A hoisting structure for installing a steel formwork trolley inside a tunnel with a cross-section, characterized in that, include: The excavator includes a bucket, a main beam, a lifting ring, a mounting plate, and a connecting plate. The main beam is connected to the back of the excavator bucket based on the mounting plate. One end of the main beam is fixedly connected to the bucket, and the other end cantilevered in front of the bucket. The cantilevered end of the main beam is obliquely cut and the mounting plate is fixed to its upper side. The mounting plate and the cantilevered end have mounting holes for connecting the lifting ring, and the lifting ring is detachably connected to the mounting holes.

2. The hoisting structure for installing steel formwork trolleys inside inter-face tunnels according to claim 1, characterized in that, The lifting ring has a notch that is closed by bolts, so that the lifting ring can be detachably installed in the mounting hole.

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