Device for cleaning obstacles in shield section

By designing a device for clearing obstacles in tunnel sections, the device utilizes the hydraulic system of an excavator to control the clamps to hold and lift the obstacles, thus solving the problem of low efficiency in manual excavation in existing technologies and improving construction progress.

CN223781432UActive Publication Date: 2026-01-09CCCC TUNNEL ENG CO LTD
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Patent Information

Application Number
CN202422183919.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-06
Publication Date
2026-01-09
Estimated Expiration
2034-09-06

AI Technical Summary

Technical Problem

In current shield tunneling construction, manual excavation to remove obstacles is inefficient and affects the construction progress.

Method used

Design a device for clearing obstacles in tunnel sections, which uses the hydraulic system of the excavator to control the opening and closing of the chuck, and pulls up the obstacle by the friction force of the chuck.

Benefits of technology

It improved the efficiency of obstacle removal and accelerated the construction progress.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223781432U_ABST
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Abstract

The utility model discloses a device for cleaning obstacles in a shield section, which comprises a cylinder and a connecting seat connected to the top of the cylinder, the lower end of the cylinder is provided with symmetrically arranged mounting ports, the side walls of the mounting ports are provided with hinge shafts, the hinge shafts are sleeved with hinge seats, the hinge seats are connected with chucks, and the chucks are connected with the connecting seat. A telescopic driving mechanism is installed on the inner wall of the cylinder and controls opening and closing of the chuck through telescopic action. The cylinder is connected with the machine arm of the excavator through the connecting seat, the oil way is communicated with the hydraulic rod, the hydraulic rod is controlled to stretch out and draw back and stretch out through a liquid pressing system of the excavator, the chuck is driven to open and move to the position above an obstacle through the connecting rod, then the hydraulic rod is controlled to retract, the chuck is driven to close, and the obstacle is clamped. And the obstacle is pulled up by utilizing the friction force between the chuck and the obstacle, so that the purpose of removing the obstacle is achieved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a tunnel construction technical field especially relates to a device for shield interval obstacle cleaning. BACKGROUND

[0002] Shield method is a full mechanization construction method in the excavation method construction. It is that shield machine is propelled in the ground, and the surrounding rock around the shield shell and segment is supported to prevent the collapse into the tunnel, when adopting shield method construction, first, the foundation pit or vertical shaft is excavated at the beginning and the end of the tunnel, and is used as the assembly well (room) and disassembly well (room) of shield and its equipment, especially long tunnel, and the intermediate overhaul working well (room) should be set. The working well for assembly and disassembly, its building size should be determined according to the construction requirement of shield assembly and disassembly, before shield crossing, the underground obstacle left by previous construction needs to be taken out, and in the past, the obstacle is taken out by manual hole digging, and the efficiency is low, which influences construction progress. SUMMARY

[0003] The utility model discloses a device for shield interval obstacle cleaning.

[0004] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] A device for shield interval obstacle cleaning, including cylindrical barrel and the connecting seat that connects at its top, the lower extreme of cylindrical barrel is provided with the installation mouth that sets up symmetrically, the lateral wall of installation mouth is installed with the hinged axle, the hinged seat one is sheathed on the hinged axle, the chuck is connected on the hinged seat one, the inner wall of cylindrical barrel is installed with the telescopic drive mechanism, and the telescopic drive mechanism controls the opening and closing of chuck through telescopic action.

[0006] Preferably, the telescopic drive mechanism includes a hydraulic rod mounted on the inner wall of the cylindrical barrel, the end of the hydraulic rod is provided with a hinged seat two, one end of the connecting rod is hinged to the hinged seat two, the other end of the connecting rod is hinged to a fixed rod, and the fixed rod is fixedly connected to the chuck.

[0007] Preferably, the output end of the hydraulic rod is provided with a limiting sleeve connected to the cylinder body of the hydraulic rod.

[0008] Preferably, a plurality of equally angularly distributed reinforcing plates are provided between the connecting seat and the cylindrical barrel.

[0009] Preferably, the outer wall of the cylindrical barrel is provided with a plurality of equally angularly distributed reinforcing ribs.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model connects the cylindrical tube to the excavator's boom via a connecting seat, connects the oil circuit to the hydraulic rod, and uses the excavator's hydraulic system to control the extension and retraction of the hydraulic rod. When the hydraulic rod extends, it drives the chuck to open via the connecting rod and move above the obstacle. Then, it controls the hydraulic rod to retract, drives the chuck to close, clamps the obstacle, and uses the friction between the chuck and the obstacle to lift the obstacle, thus achieving the purpose of clearing the obstacle. Attached Figure Description

[0011] To illustrate the technical solutions in the embodiments of this utility model or the prior art more specifically and intuitively, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0012] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0013] Figure 2 This is a front view schematic diagram of the structure proposed in this utility model;

[0014] Figure 3 for Figure 2 Schematic diagram of section AA.

[0015] In the diagram: 1. Connecting seat; 2. Reinforcing plate; 3. Cylindrical tube; 4. Reinforcing rib; 5. Clamp; 6. Hinge seat one; 7. Hydraulic rod; 8. Hinge seat two; 9. Connecting rod; 10. Fixing rod; 11. Hinge shaft; 12. Limiting sleeve. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Reference Figures 1-3 A device for clearing obstacles in a tunnel boring machine section includes a cylindrical tube 3 and a connecting seat 1 connected to its top. The connecting seat 1 is provided with a connector for connecting a hydraulic rod 7. The lower end of the cylindrical tube 3 is provided with symmetrically arranged mounting ports. A hinge shaft 11 is installed on the side wall of the mounting port. A hinge seat 6 is sleeved on the hinge shaft 11. A clamp 5 is connected to the hinge seat 6. A telescopic drive mechanism is installed on the inner wall of the cylindrical tube 3. The telescopic drive mechanism controls the opening and closing of the clamp 5 through telescopic movement.

[0018] The cylindrical barrel 3 is connected with the arm of the excavator through the connecting seat 1, the oil circuit is connected with the hydraulic rod 7, the hydraulic rod 7 is controlled to extend and retract by the pressure system of the excavator, the hydraulic rod 7 is extended, the clamping head 5 is driven to open through the connecting rod 9, is moved above the obstacle, then the hydraulic rod 7 is controlled to retract, the clamping head 5 is driven to close, the obstacle is clamped, the obstacle is pulled up by the friction force between the clamping head 5 and the obstacle, and the purpose of removing the obstacle is achieved.

[0019] In the embodiment, the telescopic driving mechanism comprises a hydraulic rod 7 mounted on the inner wall of the cylindrical barrel 3, the end of the hydraulic rod 7 is provided with a hinged seat two 8, one end of the connecting rod 9 is hinged to the hinged seat two 8, the other end of the connecting rod 9 is hinged to the fixed rod 10, the fixed rod 10 is fixedly connected with the clamping head 5, and the hinged point of the fixed rod 10 and the clamping head 5 is prevented from being limited by foreign matters, so that the action is limited.

[0020] In the embodiment, the output end of the hydraulic rod 7 is provided with a limiting sleeve 12, the limiting sleeve 12 is connected with the cylinder body of the hydraulic rod 7, when the clamping head 5 is completely closed, the output end of the hydraulic rod 7 is in contact with the limiting sleeve 12, the further movement of the hydraulic rod 7 is limited, and the protection of the clamping head 5 is realized.

[0021] In the embodiment, a plurality of reinforcing plates 2 distributed at equal angles are arranged between the connecting seat 1 and the cylindrical barrel 3, so that the connecting strength of the connecting seat 1 and the cylindrical barrel 3 is enhanced.

[0022] In the embodiment, a plurality of reinforcing ribs 4 distributed at equal angles are arranged on the outer wall of the cylindrical barrel 3, so that the structure of the cylindrical barrel 3 is reinforced, and the deformation of the cylindrical barrel 3 is prevented.

[0023] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model makes equivalent replacement or change, should be covered in the protection scope of the utility model.

Claims

1. A device for cleaning obstacles in the tunnel section, comprising a cylindrical barrel (3) and a connecting seat (1) connected to the top of the barrel, characterized in that, The lower end of the cylinder (3) is provided with symmetrically arranged mounting ports, the side wall of the mounting ports is provided with a hinged shaft (11), the hinged shaft (11) is sleeved with a hinged seat one (6), the hinged seat one (6) is connected with a chuck (5), the inner wall of the cylinder (3) is provided with a telescopic driving mechanism, the telescopic driving mechanism controls the opening and closing of the chuck (5) through telescopic action.

2. The apparatus for cleaning obstacles in a tunnel section according to claim 1, characterized in that, The telescopic driving mechanism comprises a hydraulic rod (7) mounted on the inner wall of the cylinder (3), the end of the hydraulic rod (7) is provided with a hinged seat two (8), one end of the hinged seat two (8) is hinged with a connecting rod (9), the other end of the connecting rod (9) is hinged with a fixed rod (10), and the fixed rod (10) is fixedly connected with the chuck (5).

3. A device for cleaning obstacles in a tunnel section according to claim 2, characterized in that, The output end of the hydraulic rod (7) is provided with a limiting sleeve (12), and the limiting sleeve (12) is connected with the cylinder body of the hydraulic rod (7).

4. The apparatus for cleaning obstacles in a tunnel section according to claim 3, characterized in that, A plurality of equal-angle distribution reinforcing plates (2) are arranged between the connecting seat (1) and the cylinder (3).

5. A device for cleaning obstacles in a tunnel section according to claim 4, characterized in that, The outer wall of the cylinder (3) is provided with a plurality of equal-angle distribution reinforcing ribs (4).