Main driving structure of heading machine

Abstract

The utility model provides a main driving structure of a heading machine, and relates to the technical field of heading machines, one end of the main driving structure of the heading machine is connected with a cutterhead structure in the heading machine, and the other end of the main driving structure of the heading machine is connected with a shield body structure in the heading machine; a displacement assembly and a connecting frame are arranged between the main drive and the shield body structure. The displacement assembly comprises a displacement drive part and a sliding assembly. One end of the displacement driving piece is detachably connected with the main drive, and the other end of the displacement driving piece is connected with the shield body through the connecting frame; the sliding assembly is arranged between the main drive and the shield body. The displacement assembly and the connecting frame are arranged between the main drive and the shield body, and the displacement assembly and the main drive are quickly mounted or dismounted, so that the dismounting and mounting work of the main drive in a hole can be completed without dismounting the shield body; therefore, in the long-distance tunneling process, the main drive can be checked or replaced in a hole, the service life of equipment can be prolonged or prolonged, and the overall use performance of the equipment is improved and guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of tunnel boring machines and relates to a main driving structure of a tunnel boring machine, in particular to a main driving structure which can be disassembled for inspection or replacement in a tunnel of a tunnel boring machine. Background Art

[0002] During the construction of a tunnel boring machine, for long distances and complex geological conditions, or when the main drive needs to be disassembled and inspected in the tunnel and replaced, the shield needs to be removed before the main drive can be hoisted, turned over, and disassembled, which is impossible in conventional structures. Utility Model Content

[0003] The utility model aims to provide a main drive structure for a tunnel boring machine, which can pull the main drive as a whole out of the shield body without disassembling the top blocks of the shield body, and then complete the disassembly, inspection or replacement of the main drive separately.

[0004] The utility model provides a main drive structure of a tunnel boring machine, one end of which is connected to a cutter head structure in the tunnel boring machine and the other end of which is connected to a shield structure in the tunnel boring machine; a displacement assembly and a connecting frame are provided between the main drive and the shield structure, and the displacement assembly includes a displacement driving member and a sliding assembly;

[0005] One end of the displacement drive member is detachably connected to the main drive;

[0006] The main drive comprises a first end for connecting to the displacement drive member and a second end for connecting to the cutter disc, and the first end and the second end are arranged parallel to each other;

[0007] The other end of the displacement driving member is connected to the shield body through a connecting frame;

[0008] The sliding assembly is arranged between the main drive and the shield body.

[0009] Optionally, the sliding assembly includes a slide rail and a slider that are cooperatively connected to each other, the slider is connected to the main drive, and the slide rail includes a connecting section arranged to overlap with the main drive and an extension section connected to the shield structure.

[0010] Optionally, the displacement driving member is configured as a telescopic cylinder.

[0011] Optionally, the connecting frame is configured as an H-shaped structure.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] (1) The utility model provides a displacement assembly and a connecting frame between the main drive and the shield body, and realizes the disassembly and installation of the main drive in the tunnel without disassembling the shield body through the rapid installation or disassembly between the displacement assembly and the main drive; thus, the main drive can be inspected or replaced in the tunnel during long-distance excavation, thereby enhancing or extending the service life of the equipment and improving and ensuring the overall performance of the equipment.

[0014] (2) The utility model adopts a telescopic cylinder and lengthens the sliding components in the main drive and the bottom area of ​​the shield structure, thereby realizing the rapid installation and separation between the main drive structure and the shield structure of the tunnel boring machine in a simple, labor-saving and time-saving manner.

[0015] In addition to the above-described purposes, features and advantages, the present invention has other purposes, features and advantages. The present invention will be further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a schematic cross-sectional view of the overall structure of a main drive structure of a tunnel boring machine in an embodiment of the utility model.

[0018] in:

[0019] 1. Main drive, 2. Displacement drive component, 3. Cutter disc structure, 4. Shield structure, 5. Sliding assembly, 6. Connecting frame. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the utility model clearer and easier to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. It should be noted that the drawings of the utility model are all simplified and use non-precise proportions, which are only used to conveniently and clearly assist in explaining the implementation of the utility model; the "number" mentioned in the utility model is not limited to the specific number in the examples in the accompanying drawings; the directions or positional relationships indicated by "front", "middle", "back", "left", "right", "up", "down", "top", "bottom", "middle", etc. mentioned in the utility model are based on the directions or positional relationships shown in the drawings of the utility model, and do not indicate or imply that the device or component referred to must have a specific direction, nor can it be understood as a limitation on the utility model.

[0021] Example:

[0022] See also Figure 1As shown, the utility model provides a main drive structure of a tunnel boring machine, one end of which is connected to a cutter head structure 3 in the tunnel boring machine and the other end of which is connected to a shield structure 4 in the tunnel boring machine; a displacement assembly and a connecting frame 6 are provided between the main drive 1 and the shield structure 4, and the displacement assembly includes a displacement drive member 2 and a sliding assembly 5;

[0023] One end of the displacement driving member 2 is detachably connected to the main driving member 1, and one end of the main driving member 1 connected to the displacement driving member 2 and one end of the main driving member 1 connected to the cutter head structure 3 are arranged parallel to each other;

[0024] The other end of the displacement driving member 2 is connected to the shield structure 4 via a connecting frame 6;

[0025] The sliding assembly 5 is disposed between the main drive 1 and the shield structure 4 .

[0026] Optionally, the sliding assembly 5 includes a slide rail and a slider that are cooperatively connected to each other, the slider is connected to the main drive 1, and the slide rail includes a connecting section arranged to overlap with the main drive 1 and an extension section connected to the shield structure 4.

[0027] Optionally, the displacement driving member 2 is configured as a telescopic cylinder.

[0028] Optionally, the connecting frame 6 is configured as an H-shaped structure.

[0029] Under normal circumstances (i.e. when the main drive does not need to be disassembled), the extension section is fixedly connected to the shield structure, the connecting frame is fixedly connected to the shield structure, and the telescopic cylinder is not connected to the main drive;

[0030] When it is necessary to dismantle the main drive structure of the tunnel boring machine in the tunnel, the sliding block is connected to the main drive and the telescopic cylinder is connected to the main drive, and the connection between the main drive and the cutter head structure and between the main drive and other parts of the tunnel boring machine is removed. The main drive is supported by the sliding assembly and is displaced in a direction away from the shield structure by the drive of the telescopic cylinder to realize the dismantling of the main drive structure of the tunnel boring machine;

[0031] When it is necessary to install the main drive structure of the tunnel boring machine in the tunnel, the main drive to be installed is displaced toward the shield structure under the drive of the sliding assembly and the telescopic cylinder to move to the specified position and connect the main drive with the cutter head structure and with other components in the tunnel boring machine. The connection between the main drive and the telescopic cylinder is removed to complete the installation of the main drive structure of the tunnel boring machine.

[0032] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A main drive structure of a tunnel boring machine, wherein one end of the main drive structure of the tunnel boring machine is connected to a cutter head structure (3) in the tunnel boring machine and the other end of the main drive structure of the tunnel boring machine is connected to a shield structure (4) in the tunnel boring machine; characterized in that: A displacement assembly and a connecting frame (6) are provided between the main drive (1) and the shield structure (4), wherein the displacement assembly comprises a displacement drive member (2) and a sliding assembly (5); One end of the displacement driving member (2) is detachably connected to the main driving member (1); The main drive (1) comprises a first end for connecting to the displacement drive member (2) and a second end for connecting to the cutter head structure (3), the first end and the second end being arranged parallel to each other; The other end of the displacement driving member (2) is connected to the shield structure (4) via a connecting frame (6); The sliding assembly (5) is arranged between the main drive (1) and the shield structure (4).

2. The main drive structure of the tunnel boring machine according to claim 1, characterized in that: The sliding assembly (5) comprises a sliding rail and a sliding block which are mutually matched and connected, the sliding block is connected to the main drive (1), and the sliding rail comprises a connecting section which is arranged to overlap with the main drive (1) and an extension section which is connected to the shield structure (4).

3. The main drive structure of the tunnel boring machine according to claim 1, characterized in that: The displacement driving member (2) is configured as a telescopic oil cylinder.

4. The main drive structure of the tunnel boring machine according to claim 1, characterized in that: The connecting frame (6) is configured as an H-shaped structure.

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