Cutter maintenance device for shield super-wear-resistant cutterhead

By designing a super-wear-resistant cutterhead tool maintenance device for shield machines and utilizing components such as motor linear guides and rotating arms, convenient detection of high-position tools is achieved, solving the problem of inconvenient detection in existing technologies and improving detection efficiency and safety.

CN223413258UActive Publication Date: 2025-10-03NANCHANG RAIL TRANSIT GRP LTD CORP +3
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Patent Information

Application Number
CN202422466758.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-10-03
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

In the existing technology, it is inconvenient to detect high-position tools on the cutter head of a shield machine, and climbing or ascending tools are required, resulting in low detection efficiency.

Method used

A shield machine super-wear-resistant cutterhead tool maintenance device was designed, which includes a movable frame, a lifting and adjusting device, a rotating component and an appearance defect detection component. The device uses components such as motor linear guides, drive motors and rotating arms to achieve convenient detection of high-position tools.

Benefits of technology

It enables convenient detection of high-position tools, improves detection efficiency and safety, and avoids the need for climbing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shield super wear-resistant cutterhead and cutter maintenance device which comprises a movable frame, a movable base and a supporting table, wherein the movable base is provided with rollers on the bottom surface and touches the ground, and the supporting table is installed on the movable base. The lifting adjusting device comprises a fixed frame vertically mounted on the movable base, a motor linear guide rail mounted in the fixed frame, a lifting rod connected with a sliding table arranged on the motor linear guide rail, a driving motor mounted at the top end of the lifting rod, and a rotating arm of which one end is connected with an output shaft of the driving motor; in the application, the design of conveniently detecting a cutter head cutter at a high position is provided, the motor linear guide rail drives the lifting rod to vertically move upwards and change the height of the detection position, the driving motor drives the rotating arm to rotate and changes the pitching angle of the rotating arm, and the driving motor drives the rotating disc to rotate; and the angles of the connecting arm and the visual appearance defect detection camera on the connecting arm are changed, so that the cutter on the high-position shield cutter B can be conveniently detected at different angles.
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Description

Technical Field

[0001] The utility model belongs to the technical field of shield cutter head tool maintenance devices, and in particular relates to a shield super wear-resistant cutter head tool maintenance device. Background Art

[0002] After the shield machine completes the tunneling operation, it needs to be inspected and maintained. The maintenance of the shield cutter involves many aspects, including cutter wear detection, cutter replacement and repair, safety inspection and tightening, and decommissioning maintenance and repair. The shield cutterhead cutter should be inspected regularly and any problems found should be dealt with in a timely manner to avoid major failures caused by the accumulation of small problems. When inspecting the cutterhead cutter wear, the wear condition of the cutterhead cutter is generally determined by checking whether there are cracks, scratches, holes, and other features on the cutterhead cutter surface.

[0003] The cutterhead on the shield machine has a large diameter. The inspectors can inspect the low-position cutterhead tools with handheld inspection tools, but cannot conveniently inspect the cutterhead tools at high positions. They need to use climbing and ascending tools, such as scaffolding, ladders, etc., to move the cutterhead tools to a high position. When the inspectors maintain the cutterhead tools and inspect their surface wear, there is a problem that there is no design for convenient inspection of the cutterhead tools at high positions. For this reason, this application proposes a shield machine super-wear-resistant cutterhead tool maintenance device. Utility Model Content

[0004] The purpose of the utility model is to provide a shield super-wear-resistant cutterhead tool maintenance device to solve the problem raised in the above background technology that there is no convenient design for detecting the cutterhead tools at high positions.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions: a shield super wear-resistant cutter head tool maintenance device, comprising

[0006] The mobile frame includes a mobile base with rollers installed on the bottom surface and touching the ground, and a support installed on the mobile base;

[0007] The lifting and adjusting device includes a fixed frame vertically mounted on the mobile base, a motor linear guide mounted inside the fixed frame, a lifting rod connected to a slide provided on the motor linear guide, a drive motor mounted on the top of the lifting rod, and a rotating arm connected to the output shaft of the drive motor at one end;

[0008] The rotating assembly includes a stabilizing frame connected to the end of the rotating arm, a driving motor installed inside the stabilizing frame, a rotating disk connected to the output shaft of the driving motor, and a connecting arm installed at the circular edge of the rotating disk;

[0009] The appearance defect detection component includes a display screen installed on a support platform and an appearance defect visual detection camera electrically connected to the display screen through a wire, wherein the appearance defect visual detection camera is connected to one end of a connecting arm.

[0010] Preferably, an adjustment component is provided on the circular edge of the rotating disk, and the adjustment component includes a connecting frame connected to the surface of the rotating disk, an electric push rod installed between the rotating disk and the connecting frame, and a mounting block connected to the end of the electric push rod passing through the connecting frame. The connecting frame is a frame structure with an open end.

[0011] Preferably, an acoustic wave detection component is provided on the support, which includes an acoustic wave detector body placed on the surface of the support, and an acoustic wave detection probe electrically connected to the acoustic wave detector body through a data line, and the acoustic wave detection probe is installed inside the mounting block.

[0012] Preferably, the outer surface of the acoustic wave detection probe is provided with a mounting plate with a "U"-shaped cross-section, and the mounting block is provided with a rectangular mounting groove that matches the mounting plate.

[0013] Preferably, the mounting block is provided with a mounting groove on the inner surface of the mounting groove, and the mounting block is provided with an electromagnet for magnetically adsorbing the mounting plate in the mounting groove.

[0014] Preferably, a limiting rod is provided on the side surface of the top end of the fixing frame, and the end of the limiting rod away from the fixing frame is in a hook shape.

[0015] Preferably, a fixed disc is provided at the top of the lifting rod, the center of the driving motor and the center of the fixed disc are on the same axis, and the center of the rotating arm, the center of the stabilizing frame, the center of the driving motor and the center of the rotating disc are on the same axis.

[0016] Compared with the prior art, the beneficial effects of the present invention are:

[0017] In the utility model, in this application, there is a design for convenient detection of high-position cutter disc tools. The motor linear guide drives the lifting rod to move vertically upward, changing the height of the detection position, which is convenient for detecting the tools on the high-position shield cutter disc B. The driving motor drives the rotating arm to rotate, changing the pitch angle of the rotating arm, and the driving motor drives the rotating disk to rotate, changing the angle of the connecting arm and the visual detection camera for appearance defects thereon, which is convenient for detecting the tools on the shield cutter disc B at the same height at different angles. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the utility model;

[0019] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the mounting block of the utility model;

[0021] In the figure: 1. Mobile base; 2. Fixed frame; 4. Stabilizing frame; 6. Support platform; 21. Limit rod; 31. Motor linear guide; 32. Lifting rod; 33. Drive motor; 34. Rotating arm; 51. Drive motor; 52. Rotating disk; 53. Connecting arm; 71. Display screen; 72. Visual inspection camera for appearance defects; 81. Sonic wave detector body; 82. Sonic wave detection probe; 91. Connecting frame; 92. Electric push rod; 93. Mounting block; 821. Mounting plate; 931. Electromagnet. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] Example

[0024] See also Figures 1 to 3The utility model provides a technical solution: a shield super wear-resistant cutter head tool maintenance device, comprising a mobile frame, including a mobile base 1 with rollers installed on the bottom surface and touching the ground, a support platform 6 installed on the mobile base 1, the mobile base 1 moves on the ground, and can detect tools at different positions on the shield cutter head B; a lifting and adjusting device, including a fixed frame 2 vertically installed on the mobile base 1, a motor linear guide 31 installed inside the fixed frame 2, a lifting rod 32 connected to a slide provided on the motor linear guide 31, a driving motor 33 installed at the top of the lifting rod 32, and a rotating arm 34 with one end connected to the output shaft of the driving motor 33, the fixed frame 2 and the mobile base 1 are combined by a conventional method, the motor linear guide 31 runs, the lifting rod 32 moves vertically upward, and the height of the detection position can be changed, the driving motor 33 is started, the rotating arm 34 rotates, and the pitch angle of the rotating arm 34 can be changed, which is conducive to detection at different angles; the rotating component, including a rotating component connected to the rotating The stabilizing frame 4 connected to the end of the rotating arm 34, the driving motor 51 installed inside the stabilizing frame 4, the rotating disk 52 connected to the output shaft of the driving motor 51, and the connecting arm 53 installed at the circular edge of the rotating disk 52. The stabilizing frame 4 is combined with the rotating arm 34 and the driving motor 51 by conventional methods. The driving motor 51 is started to make the rotating disk 52 rotate slowly, changing the angle of the connecting arm 53 and the appearance defect visual detection camera 72 thereon. The angle of the appearance defect visual detection camera 72 can be fine-tuned to facilitate the inspection of cutting tools on the shield cutter head B at the same height at different angles; the appearance defect detection component includes a display screen 71 installed on the support platform 6 and an appearance defect visual detection camera 72 electrically connected to the display screen 71 by a wire. The appearance defect visual detection camera 72 detects the surface wear of the cutting tools on the shield cutter head B, and the detection image data is displayed on the surface of the display screen 71, which is convenient for the inspection personnel to judge. The appearance defect visual detection camera 72 is connected to one end of the connecting arm 53.

[0025] In this embodiment, an adjustment component is provided on the circular edge of the rotating disk 52, and the adjustment component includes a connecting frame 91 connected to the surface of the rotating disk 52, an electric push rod 92 installed between the rotating disk 52 and the connecting frame 91, and a mounting block 93 connected to the end of the electric push rod 92 passing through the connecting frame 91. When the electric push rod 92 runs, the mounting block 93 and the acoustic wave detection probe 82 move, so that the acoustic wave detection probe 82 can pass through the gap on the surface of the shield cutter head B to detect the cutting tool inside the cutter head. The connecting frame 91 is a frame structure with an open end. An acoustic wave detection component is provided on the support 6, which includes an acoustic wave detector body 81 placed on the surface of the support 6, and an acoustic wave detection probe 82 electrically connected to the acoustic wave detector body 81 through a data line. The acoustic wave detection probe 82 uses an acoustic detection method to judge the wear of the tool. The acoustic wave detection probe 82 is installed inside the mounting block 93. The acoustic wave detection probe 82 and the mounting block 93 are a combined structure, and the acoustic wave detection probe 82 can be removed.

[0026] In this embodiment, the outer surface of the acoustic wave detection probe 82 is provided with a mounting plate 821 with a "U"-shaped cross-section. The mounting plate 821 and the acoustic wave detection probe 82 are combined by conventional methods. A rectangular mounting groove that cooperates with the mounting plate 821 is provided on the mounting block 93. The mounting block 93 is located on the inner surface of the mounting groove and is provided with an electromagnet 931 that magnetically attracts the mounting plate 821. The electromagnet 931 is combined with the mounting block 93 by conventional methods. The electromagnet 931 is charged and attracts the mounting plate 821, making it easy to install the acoustic wave detection probe 82.

[0027] In this embodiment, a limit rod 21 is provided on the side surface of the top of the fixed frame 2. The end of the limit rod 21 away from the fixed frame 2 is in the shape of a hook. The wires on the appearance defect visual inspection camera 72 and the data lines on the ultrasonic detection probe 82 are passed around the limit rod 21 to prevent the wires and data lines from shaking or pulling.

[0028] In this embodiment, a fixed disc is provided at the top of the lifting rod 32, and the center of the drive motor 33 and the center of the fixed disc are on the same axis, which facilitates the installation of the drive motor 33 and ensures that the drive motor 33 is installed accurately. The center of the rotating arm 34, the center of the stabilizing frame 4, the center of the drive motor 51 and the center of the rotating disc 52 are on the same axis, so that the drive motor 51 and the rotating disc 52 are installed accurately.

[0029] The working principle and use process of this utility model:

[0030] When inspecting the cutter on the shield cutter head B at a high position, move the support 6 to move the mobile base 1 to a suitable position;

[0031] The motor linear guide 31 runs, causing the lifting rod 32 to move vertically upward, changing the height of the detection position, making it easier to detect the tool on the high-position shield cutterhead B;

[0032] The driving motor 33 is started to rotate the rotating arm 34, changing the elevation angle of the rotating arm 34, which is convenient for detection at different angles;

[0033] The drive motor 51 is started, causing the rotating disk 52 to rotate slowly, changing the angle between the connecting arm 53 and the appearance defect visual inspection camera 72 thereon. The angle of the appearance defect visual inspection camera 72 can be fine-tuned to facilitate inspection of the cutting tools on the shield cutterhead B at the same height at different angles.

[0034] The electric push rod 92 operates to move the mounting block 93 and the acoustic wave detection probe 82 through the small hole gap, so that the acoustic wave detection probe 82 can pass through the gap on the surface of the shield cutter head B that cannot be passed by the appearance defect visual detection camera 72, and detect the cutting tools inside the cutter head;

[0035] To sum up: In this application, there is a design that is convenient for detecting cutterhead tools at high positions. The motor linear guide 31 drives the lifting rod 32 to move vertically upward, changing the height of the detection position, which is convenient for detecting cutters on the high-position shield cutterhead B. The drive motor 33 drives the rotating arm 34 to rotate, changing the pitch angle of the rotating arm 34. The drive motor 51 drives the rotating disk 52 to rotate, changing the angle of the connecting arm 53 and the appearance defect visual detection camera 72 thereon, which is convenient for detecting cutters on the shield cutterhead B at the same height at different angles.

[0036] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shield machine super wear-resistant cutterhead tool maintenance device, characterized by: include The mobile frame comprises a mobile base (1) with rollers mounted on the bottom surface thereof and touching the ground, and a support (6) mounted on the mobile base (1); The lifting and adjusting device comprises a fixed frame (2) vertically mounted on a movable base (1), a motor linear guide rail (31) mounted inside the fixed frame (2), a lifting rod (32) connected to a slide provided on the motor linear guide rail (31), a driving motor (33) mounted on the top end of the lifting rod (32), and a rotating arm (34) having one end connected to an output shaft of the driving motor (33); The rotating assembly comprises a stabilizing frame (4) connected to the end of the rotating arm (34), a driving motor (51) installed inside the stabilizing frame (4), a rotating disk (52) connected to the output shaft of the driving motor (51), and a connecting arm (53) installed at the circular edge of the rotating disk (52); The appearance defect detection component comprises a display screen (71) mounted on a support (6), an appearance defect visual detection camera (72) electrically connected to the display screen (71) via a wire, and the appearance defect visual detection camera (72) is connected to one end of a connecting arm (53).

2. A shield machine tool maintenance device for super-wear-resistant cutterhead according to claim 1, characterized in that: An adjustment assembly is provided on the circular edge of the rotating disk (52), the adjustment assembly comprising a connecting frame (91) connected to the surface of the rotating disk (52), an electric push rod (92) installed between the rotating disk (52) and the connecting frame (91), and a mounting block (93) connected to the end of the electric push rod (92) passing through the connecting frame (91); the connecting frame (91) is a frame structure with one end open.

3. The shield machine super wear-resistant cutterhead tool maintenance device according to claim 2, characterized in that: The support (6) is provided with an acoustic wave detection assembly, which comprises an acoustic wave detector body (81) placed on the surface of the support (6), and an acoustic wave detection probe (82) electrically connected to the acoustic wave detector body (81) via a data line, wherein the acoustic wave detection probe (82) is installed inside the mounting block (93).

4. A shield machine super wear-resistant cutterhead tool maintenance device according to claim 3, characterized in that: The outer surface of the acoustic wave detection probe (82) is provided with a mounting plate (821) with a "U"-shaped cross-section, and the mounting block (93) is provided with a rectangular mounting groove that matches the mounting plate (821).

5. A shield machine tool maintenance device for super wear-resistant cutterhead according to claim 4, characterized in that: The mounting block (93) is provided with a mounting groove on the inner surface of the mounting groove, and the mounting block (93) is provided with an electromagnet (931) for magnetically adsorbing the mounting plate (821) in the mounting groove.

6. The shield machine super wear-resistant cutterhead tool maintenance device according to claim 1, characterized in that: A limiting rod (21) is provided on the side surface of the top end of the fixing frame (2), and the end of the limiting rod (21) away from the fixing frame (2) is in the shape of a hook.

7. The shield machine super wear-resistant cutterhead tool maintenance device according to claim 1, characterized in that: A fixed disc is provided at the top of the lifting rod (32); the center of the driving motor (33) and the center of the fixed disc are on the same axis; the center of the rotating arm (34), the center of the stabilizing frame (4), the center of the driving motor (51) and the center of the rotating disc (52) are on the same axis.