Reinforcing tool for front lower frame structure of segment feeder for large-diameter shield tunneling machine

Abstract

The utility model relates to a segment feeder front lower frame structure reinforcing tool for a large-diameter shield tunneling machine, and aims to solve the problem that in the prior art, when a large-diameter shield tunneling machine adsorbs segments, the segment feeder front lower frame structure deforms due to the downward pressing acting force of a segment erector, and then interference with a lower ship bottom plate structure is caused. The reinforcing tool comprises a segment feeder, a ship bottom plate, a lower frame structure, a main beam, a reinforcing steel plate and the like. The transverse reinforcing steel plate is additionally arranged between the lower frame structure and the main beam, and the longitudinal reinforcing steel plate is additionally arranged between the main beam and the ship bottom plate, so that the strength of the front lower frame structure is effectively improved, and the deformation effect is reduced. The device is exquisite and practical in design, simple and convenient to manufacture, low in cost and capable of remarkably improving construction continuity and safety of the shield tunneling machine, and has remarkable technical advantages and economic benefits.

Description

Technical Field

[0001] The utility model relates to the technical field of supporting equipment for super-large diameter shield machines, in particular to a front lower frame structure reinforcement tooling for a sheet feeding machine for a large diameter shield machine. Background Art

[0002] During the construction of underground tunnels, shield machines (TBMs) serve as core equipment, and their performance and adaptability are directly linked to the project's progress and quality. Shield machine design must closely integrate stratum characteristics with tunnel dimensions to ensure efficient and safe construction. Given the complexity and diversity of tunnel construction environments, shield machines and their associated equipment are typically purpose-built to meet specific project requirements.

[0003] Segment installation is a critical step, particularly in large-diameter shield machine applications. The segment assembly machine uses vacuum cups to hold and position the segments. During this process, the cups must not only adhere closely to the segments to ensure proper adhesion, but also withstand the downward pressure from the segments. This force is further transmitted to the segment feeder via the segment assembly machine, posing a significant challenge to its structural stability.

[0004] In existing technology, the front undercarriage of the sheet feeder is susceptible to structural deformation when subjected to these forces. This deformation not only affects the normal operation of the sheet feeder, but more seriously, when the sheet feeder moves with the shield machine trolley, the deformed undercarriage may interfere with the lower ship floor structure, causing construction interruptions. To resolve this interference issue, on-site personnel need to spend time and effort to make adjustments, which not only reduces construction efficiency but also increases construction costs and safety risks.

[0005] In summary, the existing large-diameter shield machine feeder has deficiencies in the design of the front lower frame structure. There is an urgent need for a tooling that can effectively reinforce the structure to improve its bearing capacity and stability, avoid interference problems caused by structural deformation, and ensure the continuity and safety of shield machine construction. Utility Model Content

[0006] Based on the problems existing in the above-mentioned prior art, the present invention aims to provide a reinforcement tooling for the front lower frame structure of the slice feeder for a large-diameter shield machine, thereby improving the strength of the front lower frame structure of the slice feeder on the existing structure and reducing the deformation effect caused by the downward pressure force of the boom cylinder when the segment assembly machine adsorbs the segments.

[0007] In order to achieve the above-mentioned purpose, the technical solution of the utility model is to design a reinforcement tool for the front lower frame structure of the sheet feeder for a large-diameter shield machine, which mainly includes a sheet feeder and a bottom plate. The bottom plate is arranged at the lower part of the sheet feeder, and a lower frame structure is arranged horizontally between the sheet feeder and the bottom plate. The sheet feeder carries pipe segments and a pipe segment assembler, and a vacuum suction cup is arranged on the periphery of the pipe segment assembler.

[0008] Furthermore, a main beam is provided at each end of the lower frame structure, the main beam is an "I"-shaped structure, the main beam is supported on the bottom plate, and the lower frame structure and the main beam are arranged perpendicular to each other.

[0009] Furthermore, a transverse reinforcement steel plate is provided between the main beam and the lower frame structure, thereby improving the strength of the lower frame structure.

[0010] Furthermore, a longitudinal reinforcement steel plate is provided between the main beam and the bottom plate, thereby improving the strength of the main beam.

[0011] Furthermore, the transverse reinforcement steel plate and the longitudinal reinforcement steel plate are fixed to the main beam by welding.

[0012] Preferably, the transverse reinforcement steel plate and the longitudinal reinforcement steel plate are made of Q235 material.

[0013] Preferably, the thickness of the transverse reinforcement steel plate and the longitudinal reinforcement steel plate is 20 mm.

[0014] The advantages and beneficial effects of the present invention are as follows: by adding transverse reinforcement steel plates between the lower frame structure and the main beam, and longitudinal reinforcement steel plates between the main beam and the bottom plate, the present invention significantly improves the overall strength of the lower frame structure at the front of the slice feeder, effectively resisting the downward pressure generated by the boom cylinder of the segment assembly machine when adsorbing the segments, and reducing the risk of structural deformation. Through the application of reinforcement tooling, the stability of the lower frame structure at the front of the slice feeder is enhanced, avoiding interference with the lower bottom plate structure due to structural deformation. This reduces the number of construction interruptions, improves construction efficiency, and reduces the additional costs incurred by adjusting interfering parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 It is a working schematic diagram of the utility model.

[0017] Figure 2 This is a partial enlarged view of the reinforcement tooling of the utility model.

[0018] Among them, 1-segment feeder, 12-lower frame structure, 13-transverse reinforcement steel plate, 14-longitudinal reinforcement steel plate, 15-main beam, 2-bottom plate, 3-segment, 41-segment assembly machine, 42-vacuum suction cup. DETAILED DESCRIPTION

[0019] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present invention. In addition, it should be understood that the specific implementation methods described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention. In the present invention, unless otherwise specified, the directional words used, such as "upper" and "lower", generally refer to the upper and lower parts of the device in actual use or working state, specifically the drawing direction in the accompanying drawings; while "inside" and "outside" refer to the outline of the device.

[0020] like Figure 1 and Figure 2 As shown, the reinforcement tooling mainly includes a sheet feeder 1 and a bottom plate 2.

[0021] The film feeder 1 is arranged above the bottom plate 2, which provides a stable foundation for the film feeder 1. A lower frame structure 12 is arranged transversely between the film feeder 1 and the bottom plate 2, which connects the film feeder 1 and the bottom plate 2 and plays the role of transmitting and dispersing force.

[0022] A main beam 15 is provided at each end of the lower frame structure 12. The main beam 15 adopts an I-shaped structure to increase its load-bearing capacity and stability. The main beam 15 is supported on the bottom plate 2 and is perpendicular to the lower frame structure 12 to form a stable support system.

[0023] Between the main beam 15 and the lower frame structure 12, a transverse reinforcement steel plate 13 is provided and fixed to the main beam 15 by welding. The function of the transverse reinforcement steel plate 13 is to increase the strength of the lower frame structure 12 and reduce its deformation caused by stress.

[0024] A longitudinal reinforcement steel plate 14 is provided between the main beam 15 and the bottom plate 2 and is also fixed by welding. The function of the longitudinal reinforcement steel plate 14 is to increase the strength of the main beam 15 and further stabilize the structure of the entire reinforcement tooling.

[0025] In this embodiment, the transverse reinforcement steel plate 13 and the longitudinal reinforcement steel plate 14 are both made of Q235 material, which has good strength and toughness and is easy to process and purchase. The thickness of the reinforcement steel plate is 20 mm, which ensures sufficient strength while taking into account economy and practicality.

[0026] Specific steps:

[0027] The slice feeder 1 transports the pipe segments 3 to the adsorption position of the pipe segment assembler 41. During the process of the pipe segment assembler 41 adsorbing the pipe segments 3, the force will be concentrated on the front end of the slice feeder 1 and transmitted to the main beam 15 of the slice feeder through the structure. The main beam 15 is supported on the transfer plate of the bottom plate 2, and the lower frame structure 12 bears the inward downward pressure and supporting force. By adding transverse reinforcement steel plates 13 and longitudinal reinforcement steel plates 14, and welding them to the structure of the main beam 15, the utility model effectively improves the strength of the front lower frame structure, thereby reducing the deformation effect caused by the downward pressure of the boom cylinder when the pipe segment assembler 41 adsorbs the pipe segments. Since the transverse reinforcement steel plates 13 and the longitudinal reinforcement steel plates 14 are made of common steel plates that are easy to buy on the market, they are simple and convenient to manufacture and have low cost.

[0028] The above is a detailed introduction to the front lower frame structure reinforcement tooling for the sheet feeding machine for a large-diameter shield machine provided by the utility model. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above embodiments is only used to help understand the method of the present invention and its core idea. It should be pointed out that for ordinary technicians in this technical field, without departing from the principles of the present invention, the present invention can also be improved and modified in several ways, and these improvements and modifications also fall within the scope of protection of the claims of the present invention.

Claims

1. A tool for reinforcing the front lower frame structure of a sheet feeder for a large-diameter shield machine, comprising a sheet feeder (1) and a bottom plate (2), characterized in that: The bottom plate (2) is arranged at the lower part of the sheet feeding machine (1), and a lower frame structure (12) is transversely arranged between the sheet feeding machine (1) and the bottom plate (2). The sheet feeding machine (1) carries pipe segments (3) and a pipe segment assembly machine (41), and a vacuum suction cup (42) is arranged on the periphery of the pipe segment assembly machine (41). A main beam (15) is respectively arranged at both ends of the lower frame structure (12), and the main beam (15) is an "I"-shaped structure. The main beam (15) is supported on the bottom plate (2), and the lower frame structure (12) and the main beam (15) are arranged perpendicular to each other.

2. The front lower frame structure reinforcement tooling for a sheet feeding machine for a large-diameter shield machine according to claim 1 is characterized in that: A transverse reinforcement steel plate (13) is provided between the main beam (15) and the lower frame structure (12).

3. The front lower frame structure reinforcement tooling for a sheet feeding machine for a large-diameter shield machine according to claim 2 is characterized in that: A longitudinal reinforcement steel plate (14) is provided between the main beam (15) and the bottom plate (2).

4. The front lower frame structure reinforcement tooling for a sheet feeding machine for a large-diameter shield machine according to claim 3 is characterized in that: The transverse reinforcement steel plate (13) and the longitudinal reinforcement steel plate (14) are fixed to the main beam (15) by welding.

5. The front lower frame structure reinforcement tooling for a sheet feeding machine for a large-diameter shield machine according to claim 4 is characterized in that: The transverse reinforcement steel plate (13) and the longitudinal reinforcement steel plate (14) are made of Q235 material.

6. The front lower frame structure reinforcement tooling for a sheet feeding machine for a large-diameter shield machine according to claim 5 is characterized in that: The transverse reinforcement steel plate (13) and the longitudinal reinforcement steel plate (14) have a thickness of 20 mm.

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