Eccentric wear detection device for TBM (Tunnel Boring Machine) hob cutter

The handheld hob tool wear detection device enables the detection of hob tool wear without disassembling the tool, solving the problems of cumbersome operation and downtime affecting construction progress of traditional detection devices, and improving detection efficiency and construction continuity.

CN223952643UActive Publication Date: 2026-02-27SINOHYDRO BUREAU 6 CO LTD
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Patent Information

Application Number
CN202520792066.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-27
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

Traditional roller cutter wear detection devices require disassembling the cutter for inspection, which is cumbersome and causes the tunnel boring machine to be shut down for a long time, affecting the construction progress.

Method used

A handheld hobbing cutter wear detection device was designed. Through the main housing, detection base plate, detection module and drive component, it can detect the wear of hobbing cutters without disassembling the cutter. Visual inspection is performed using a camera and supplementary light, and the operation control module enables simple detection.

Benefits of technology

The inspection process was simplified, avoiding prolonged downtime of tunnel boring machines and ensuring construction progress.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223952643U_ABST
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Abstract

The utility model discloses a TBM hob cutter eccentric wear detection device, and relates to the shield hob technical field, the TBM hob cutter eccentric wear detection device comprises a main box body, the inner lower end of the main box body is connected with a detection bottom plate through a bolt, and the middle position of the lower surface of the detection bottom plate is provided with a detection cavity in an upward concave manner; avoiding cavities are formed in the positions, on the two sides of the detection cavity, of the lower surface of the detection bottom plate, a first detection module is arranged at the position, corresponding to the detection cavity, of one side of the interior of the detection bottom plate, and a second detection module is arranged at the side, adjacent to the first detection module, of the interior of the detection bottom plate; a driving assembly is arranged at the position, corresponding to the detection cavity, of the other side of the interior of the detection bottom plate, an operation control module is arranged at the position, at the upper end of the detection bottom plate, in the main box body, a cutter does not need to be disassembled during operation, the operation process is simpler and more convenient, and long-time shutdown of the tunnel boring machine is not needed; therefore, the construction progress is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of shield cutter, specifically relates to a TBM cutter wear detection device. BACKGROUND

[0002] TBM cutter is the core cutting part of tunnel boring machine, directly participates in rock breaking operation, and its design needs to consider high strength, wear resistance and geological adaptability, usually adopts hard alloy or diamond composite material to cope with the tunneling demand of different rock strata, and the cutter is tightly attached to the tunnel face through hydraulic or mechanical pressure, and the cutter is crushed and sheared in the rotation of the cutter head, and the arrangement mode directly affects the tunneling efficiency and cutter life, and wear monitoring and timely replacement are the key to guarantee the continuous operation of TBM. UTILITY MODEL CONTENTS

[0003] The utility model discloses a TBM cutter wear detection device to solve the problem that the traditional cutter wear detection device needs to be disassembled and placed in the detection device for detection, and the operation process is complicated, and the tunnel boring machine needs to be stopped for a long time, which affects the construction progress.

[0004] To achieve the above object, the utility model provides the following technical scheme: a TBM cutter wear detection device, including main box, the inside lower extreme of main box is connected with detection bottom plate through bolt, the middle position of the lower surface of detection bottom plate is concave and is equipped with detection cavity, the lower surface of detection bottom plate and the both sides of detection cavity are equipped with avoiding cavity, the inside one side of detection bottom plate and the corresponding position of detection cavity are equipped with no.

[0005] Preferably, the driving assembly includes a power motor, the power motor is fixedly connected with the detection bottom plate through bolts, the power output end of the power motor is provided with a driving wheel, the inner surface of the detection bottom plate is provided with a driving wheel at the corresponding position of the driving wheel, and the driving wheel is engaged with the driving wheel.

[0006] Preferably, the inner surface of the first detection module is provided with a first detection camera, the inner surface of the first detection module and on both sides of the first detection camera is provided with a light supplement lamp, and the inner surface of the second detection module is provided with a second detection camera.

[0007] Preferably, the avoiding cavity is connected with the detection cavity, and the first detection module and the driving assembly are arranged above the avoiding cavities on both sides, respectively.

[0008] Preferably, the upper surface of the main box body is provided with a detection handle at the ridge line on both sides.

[0009] Compared with the prior art, the hand-held cutter eccentric wear detection device of the utility model has the advantages that the traditional cutter eccentric wear detection device needs to be placed in the detection device after being disassembled, the hand-held cutter eccentric wear detection device is designed, the cutter does not need to be disassembled during operation, the hand-held cutter eccentric wear detection device can be detected by being placed on the cutter, the operation process is more simple, and the tunnel boring machine does not need to be stopped for a long time, so that the construction progress is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is a main body structure isometric sectional view of the utility model;

[0011] Figure 2 It is a main body structure front view of the utility model;

[0012] Figure 3 It is a main body structure rear view of the utility model;

[0013] Figure 4 It is a main body structure left view of the utility model;

[0014] Figure 5 It is a main body structure bottom view of the utility model.

[0015] In the drawing: 1-main box body, 2-detection base plate, 3-detection cavity, 4-avoiding cavity, 5-first detection module, 6-second detection module, 7-driving assembly, 701-power motor, 702-driving wheel, 703-driving wheel, 8-operation control module, 9-first detection camera, 10-light supplement lamp, 11-second detection camera, 12-detection handle. DETAILED DESCRIPTION

[0016] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0017] Please refer to Figures 1-5 The utility model provides a kind of TBM cutter wear detection device, including main box body 1, the inside lower end of main box body 1 is connected with detection base plate 2 by bolt, the middle position of the lower surface of detection base plate 2 is recessed and provided with detection cavity 3 upwards, the lower surface of detection base plate 2 and the both sides of detection cavity 3 are provided with avoiding cavity 4, the inside one side of detection base plate 2 and the position corresponding with detection cavity 3 are provided with No.

[0018] When using, detection base plate 2 is fixedly arranged to the lower end of main box body 1 by bolt, No. 1 detection module 5, No. 2 detection module 6, driving assembly 7 and operation control module 8 in the inside of detection base plate 2 and main box body 1 are supported and protected, when needing to detect cutter, staff handholds main box body 1, detection cavity 3 is aligned with cutter position, cutter is stored in the inside of detection cavity 3, and avoiding cavity 4 is arranged on the both sides of detection cavity 3, to avoid interference caused by rotation of cutter, ensure that driving assembly 7 is against cutter, and cutter can be rotated, when cutter rotates, the cutting edge and axial surface of cutter are visually detected by No. 1 detection module 5 and No. 2 detection module 6, and detection result and operation of staff are processed by operation control module 8.

[0019] The driving assembly 7 includes a power motor 701, the power motor 701 is fixedly connected with the detection base plate 2 by bolt, the power output end of the power motor 701 is provided with a driving wheel 702, the inner surface of the detection base plate 2 is provided with a driving wheel 703 at the position corresponding to the driving wheel 702, the driving wheel 703 is engaged with the driving wheel 702, when detecting, the driving wheel 703 is against the cutter, the power motor 701 is started, drives the driving wheel 702 to rotate, the driving wheel 703 is rotated by the engagement of the driving wheel 702 and the driving wheel 703, so as to drive the cutter to rotate.

[0020] The inner surface of the first detection module 5 is provided with a first detection camera 9, the inner surface of the first detection module 5 and on both sides of the first detection camera 9 are provided with a light supplement lamp 10, the inner surface of the second detection module 6 is provided with a second detection camera 11, the axial surface of the hob cutter is visually detected through the first detection camera 9, the cutting edge surface of the hob cutter is visually detected through the second detection camera 11, the hob cutter is light supplemented through the light supplement lamp 10, and the small deviation of the hob cutter in the rotating process is shot through the contrast between light and shade, so that the eccentric wear of the hob cutter is checked.

[0021] The avoiding cavity 4 is connected with the detection cavity 3, the first detection module 5 and the driving assembly 7 are respectively arranged above the avoiding cavity 4 on both sides, and the driving assembly 7 is fixed through the position of the partition plate of the avoiding cavity 4.

[0022] The upper surface of the main box body 1 is provided with a detection handle 12 at the ridge line on both sides, and the detection handle 12 is held by the staff during detection, so that the detection device can be quickly arranged at the position of the hob cutter.

[0023] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for detecting uneven wear of TBM hobbing tools, characterized in that: The device includes a main housing (1), with a detection base plate (2) bolted to the lower end of the main housing (1). A detection cavity (3) is recessed upward at the middle of the lower surface of the detection base plate (2). A clearance cavity (4) is provided on the lower surface of the detection base plate (2) and on both sides of the detection cavity (3). A first detection module (5) is provided on one side of the inside of the detection base plate (2) and at the position corresponding to the detection cavity (3). A second detection module (6) is provided on the side of the inside of the detection base plate (2) adjacent to the first detection module (5). A drive assembly (7) is provided on the other side of the inside of the detection base plate (2) and at the position corresponding to the detection cavity (3). An operation control module (8) is provided inside the main housing (1) and at the upper end of the detection base plate (2).

2. The TBM hobbing tool wear detection device according to claim 1, characterized in that: The drive assembly (7) includes a power motor (701), which is fixedly connected to the detection base plate (2) by bolts. The power output end of the power motor (701) is provided with a drive wheel (702). The inner surface of the detection base plate (2) is provided with a drive wheel (703) at a position corresponding to the drive wheel (702). The drive wheel (703) meshes with the drive wheel (702).

3. The TBM hobbing tool wear detection device according to claim 1, characterized in that: The inner surface of the first detection module (5) is provided with a first detection camera (9), and the inner surface of the first detection module (5) and the two sides of the first detection camera (9) are provided with supplementary lights (10), and the inner surface of the second detection module (6) is provided with a second detection camera (11).

4. The TBM hobbing tool wear detection device according to claim 1, characterized in that: The avoidance cavity (4) is connected to the detection cavity (3), and the first detection module (5) and the driving component (7) are respectively arranged above the avoidance cavities (4) on both sides.

5. The TBM hobbing tool wear detection device according to claim 1, characterized in that: The main body (1) is provided with inspection handles (12) on both sides of the upper surface edge.