Cutter conveying device and double-shield TBM

By designing a tool transport device and using an electromagnetic chuck to achieve automated tool adsorption and transport, the problem of unmanned and fully mechanized tool changing in full-face hard rock tunnel boring machines has been solved, improving tool transport efficiency and reducing risks and costs.

CN223806141UActive Publication Date: 2026-01-16CHINA RAILWAY CONSTR HEAVY IND
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Patent Information

Application Number
CN202520727364.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-01-16
Estimated Expiration
2035-04-17

AI Technical Summary

Technical Problem

In the existing technology, full-face hard rock tunnel boring machines cannot achieve unmanned and fully mechanized tool transportation during tool changing, which leads to frequent tool changes requiring manual assistance, increasing the risk to tool transport personnel and maintenance costs.

Method used

A tool transport device is designed, including a first transfer mechanism, a second transfer mechanism, a transport track, a first automatic transport vehicle, and a tool transport beam. An electromagnetic chuck is used to realize the automatic adsorption and transport of tools. The first transfer mechanism transports the tools from the outside to the tool changing platform, and the second transfer mechanism lifts the tools to the tool head position, realizing fully mechanized transport.

Benefits of technology

It achieves unmanned and fully mechanized tool transportation, reduces the difficulty of manual operation, improves tool transportation efficiency, and reduces the risks and maintenance costs for tool transportation personnel.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of shield tunneling machines, in particular to a cutter conveying device and a double-shield TBM. The cutter conveying device comprises a first transferring mechanism, a second transferring mechanism, a conveying rail, a first automatic conveying vehicle and a cutter conveying beam. The first transfer mechanism is used for being installed on a segment assembling machine, and the cutter conveying beam is used for being installed on a main drive of a cutter head. The second transfer mechanism is movably mounted on the cutter conveying beam and comprises a second automatic transport vehicle and a driving part for driving the second automatic transport vehicle to move along the cutter conveying beam; the transport track is used for being installed on the inner wall of the shield body and located below the first transfer mechanism and the second transfer mechanism, and the first automatic transport vehicle is installed on the transport track in a matched mode. The technical problem that in the prior art, unmanned operation and full mechanization cannot be achieved in the tool conveying process when tools of a full-section hard rock tunnel boring machine are replaced is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a shield machine technical field, concretely relates to a cutter transport device and double shield TBM. BACKGROUND

[0002] As the rock breaking tool of TBM (full face hard rock tunnel boring machine), the roller cutter continuously bears heavy load, strong impact and other bad conditions in the TBM tunneling process, the cutter ring wear and failure problem is very serious, therefore must frequently replace the roller cutter, and the cutter transport occupies a large amount of cutter replacement time, and increases the risk and maintenance cost of the cutter transport personnel. SUMMARY

[0003] The utility model aims at providing a cutter transport device and double shield TBM to solve the technical problem that the full face hard rock tunnel boring machine in prior art cannot realize unmanned and full mechanization in the cutter transport process during cutter replacement, and the specific technical scheme is as follows:

[0004] The utility model provides a cutter transport device, including first transfer mechanism, second transfer mechanism, transport track, first automatic transport car and cutter beam, the first transfer mechanism is used to install on segment erector, the cutter beam is used to install on the main drive of cutter head, the second transfer mechanism is movably installed on the cutter beam, and the second transfer mechanism includes second automatic transport car and drive piece for driving the second automatic transport car moves along the cutter beam, the transport track is used to install on the inner wall of shield body and is located below the first transfer mechanism and second transfer mechanism, and the first automatic transport car is cooperatively installed on the transport track.

[0005] The further improvement of the cutter transport device of the utility model lies in that the first transfer mechanism includes telescopic mechanism, first winding mechanism and first suction disc, the first end of telescopic mechanism is used to connect to segment erector, the second end of telescopic mechanism is connected to the first winding mechanism, and the first suction disc is connected to the tail end of the first winding mechanism.

[0006] The further improvement of the cutter transport device of the utility model lies in that the second transfer mechanism further includes second winding mechanism and second suction disc, the second winding mechanism is installed on the second automatic transport car, and the second suction disc is connected to the tail end of the second winding mechanism.

[0007] The further improvement of the cutter transport device of the utility model lies in that further including a lifting tray, the lifting tray is connected to the cutter to be transported and is used for the adsorption of the first suction disc and the second suction disc.

[0008] The further improvement of the tool conveying device is that the two ends of the conveying track are provided with limiting rods.

[0009] The further improvement of the tool conveying device is that the two ends of the conveying beam are provided with blocking rods.

[0010] The further improvement of the tool conveying device is that the conveying beam is provided with a fixing seat for fixing a main drive of the cutter head.

[0011] The utility model also provides a double shield TBM, including cutter head, front shield, telescopic shield, rear shield, segment erector and the cutter conveying device as described above, the rear part of cutter head is equipped with main drive, this front shield is connected on the cutter head, this telescopic shield is connected on the front shield, this rear shield is connected on the telescopic shield, this segment erector is installed on the rear shield, the cutter conveying device is installed in the position of the telescopic shield and the rear shield.

[0012] The technical scheme of the utility model has the following beneficial effects:

[0013] The utility model discloses a tool conveying device, through first transfer mechanism, the tool conveyed from outside is sucked, and then is placed on the first automatic transport car, the first automatic transport car carries the tool and moves to the second transfer mechanism below along the conveying track, the second transfer mechanism sucks and lifts the tool to the position of the tool changing platform, thereby solve the technical problem that the full face hard rock tunnel boring machine cannot realize unmanned and full mechanization in the tool conveying process when changing the tool in the prior art.

[0014] In addition to the purposes, features and advantages described above, the utility model has other purposes, features and advantages. The utility model will be further explained in detail below with reference to the drawings. DRAWINGS

[0015] The drawings that constitute a part of this application are used to provide further understanding of the utility model, and the illustrative embodiment of the utility model and its explanation are used to explain the utility model, and do not constitute undue limitation to the utility model. In the drawings:

[0016] Figure 1 It is the overall structure schematic diagram of the utility model cutter conveying device;

[0017] Figure 2 It is the first transfer mechanism partial enlarged view of the utility model cutter conveying device;

[0018] Figure 3It is the first automatic transport vehicle and the local enlarged view of the transport track of the tool transport device.

[0019] Figure 4 It is the enlarged view of the second winding mechanism of the tool transport device.

[0020] Among them, 1, cutter head; 2, main drive; 3, front shield; 4, telescopic shield; 5, rear shield; 6, segmental assembling machine; 7, hanging plate; 8, material transport vehicle; 9, first transfer mechanism; 91, first suction cup; 92, first winding mechanism; 93, telescopic mechanism; 10, first automatic transport vehicle; 11, transport track; 111, limiting rod; 12, second automatic transport vehicle; 121, second suction cup; 122, second winding mechanism; 123, driving device; 13, tool transport beam; 131, blocking rod; 14, fixed seat; 15, tool. DETAILED DESCRIPTION

[0021] The embodiments of the utility model are explained in detail below with reference to the drawings.

[0022] Referring to Figures 1-4 A tool transport device, including first transfer mechanism 9, second transfer mechanism, transport track 11, first automatic transport vehicle 10 and tool transport beam 13, the first transfer mechanism 9 is used to install on segmental assembling machine 6, the tool transport beam 13 is used to install on the main drive 2 of cutter head 1, the second transfer mechanism is movably installed on the tool transport beam 13, and the second transfer mechanism includes second automatic transport vehicle 12 and driving member for driving second automatic transport vehicle 12 to move along the tool transport beam 13, the transport track 11 is used to install on the inner wall of shield body and is located below the first transfer mechanism 9 and second transfer mechanism, and the first automatic transport vehicle 10 is cooperatively installed on the transport track 11.

[0023] Specifically, the tool transport beam 13 is made of I-beam, the second automatic transport vehicle 12 is provided with four wheels, and the four wheels are arranged on the web plate of the tool transport beam 13 in pairs. Tool 15 needs to be transported from outside the hole to the position below or near the second transfer mechanism at the tail of the assembling machine by material transport vehicle 8.

[0024] Preferably, as Figure 2As shown, the first transfer mechanism 9 includes a telescopic mechanism 93, a first winding mechanism 92 and a first suction cup 91. The first end of the telescopic mechanism 93 is connected to the pipe splicing machine 6, the second end of the telescopic mechanism 93 is connected to the first winding mechanism 92, and the first suction cup 91 is connected to the end of the first winding mechanism 92. The first winding mechanism 92 winds a steel wire rope, and the first suction cup 91 is connected to the end of the steel wire rope, so that the height of the first suction cup 91 is controlled by controlling the winding length of the steel wire rope by the winding mechanism. The telescopic direction of the telescopic mechanism 93 is parallel or coincides with the axis of the TBM shield body, and the position of the first suction cup 91 is controlled by telescoping the telescopic mechanism 93.

[0025] Preferably, as shown in the drawings, Figure 4 As shown, the second transfer mechanism further includes a second winding mechanism 122 and a second suction cup 121. The second winding mechanism 122 is installed on the second automatic transport vehicle 12, and the second suction cup 121 is connected to the end of the second winding mechanism 122. The structure of the second winding mechanism 122 and the second suction cup 121 is the same as that of the first winding mechanism 92 and the first suction cup 91.

[0026] Preferably, the hanging plate 7 is connected to the cutter 15 to be transported and is used for suction of the first suction cup 91 and the second suction cup 121. The upper half of the hanging plate 7 is a disc that can be attracted by an electromagnet, and the lower half is connected to the screw thread of the hob, so as to realize the lifting and placing of the cutter 15.

[0027] Preferably, the first suction cup 91 and the second suction cup 121 are both electromagnetic suction cups, so as to facilitate the control of the suction to the hanging plate 7 and the transfer of the cutter 15 by means of on-off electricity.

[0028] Preferably, as shown in the drawings, Figure 3 As shown, the two ends of the transport rail 11 are provided with limit rods 111, so as to avoid the first automatic transport vehicle 10 from sliding out of the transport rail 11. The first automatic transport vehicle 10 is provided with a placing plate, a driving motor and at least three wheels. The at least three wheels are installed at the bottom of the placing plate and are driven to move by the driving motor.

[0029] Preferably, the two ends of the cutter transport beam 13 are provided with stop rods 131, which provide safety guarantee for the safe and stable movement of the lifting automatic transport trolley and achieve the purpose of stopping the lifting automatic transport trolley at a designated position.

[0030] Preferably, the cutter transport beam 13 is provided with a fixing seat 14 for fixing the main drive 2 of the cutter head 1. In the embodiment, the number of the fixing seat 14 is two, and the two fixing seats 14 fix the cutter transport beam 13 to the main drive 2 to ensure stable installation.

[0031] The utility model discloses still provide a kind of double shield TBM, including cutterhead 1, front shield 3, telescopic shield 4, back shield 5, segment erector 6 and the cutter conveying device as described above, the rear portion of cutterhead 1 is equipped with main drive 2, this front shield 3 is connected on this cutterhead 1, this telescopic shield 4 is connected on this front shield 3, this back shield 5 is connected on this telescopic shield 4, this segment erector 6 is installed on this back shield 5, this cutter conveying device is installed in the position of this telescopic shield 4 and this back shield 5.

[0032] The process of conveying cutter 15 includes two lifting conveying processes:

[0033] First lifting conveying process: first lifting tray 7 is fixed on cutter 15 by screw connection, material conveying vehicle 8 conveys cutter 15 from outside the hole to below first suction disc 91, first suction disc 91 moves to the upper side of lifting tray 7 and contacts with it by first winding mechanism 92 and telescopic mechanism 93, first suction disc 91 generates magnetic force by electrification, lifting tray 7 is lifted, and then cutter 15 is lifted. After first transfer mechanism 9 lifts cutter 15, cutter 15 is moved on the automatic conveying vehicle at the limiting rod 111 at the right end of conveying track 11 by adjusting first winding mechanism 92 and telescopic mechanism 93, and first suction disc 91 is deenergized. First automatic conveying vehicle 10 conveys cutter 15 to the limiting rod 111 at the left end of conveying track 11 in the telescopic shield 4 through the back shield 5 by conveying track 11.

[0034] Second lifting conveying process: second automatic conveying vehicle 12 at the blocking rod 131 at the right end of cutter beam 13 moves second suction disc 121 to the upper side of second lifting tray 7 by second winding mechanism 122, and second suction disc 121 generates magnetic force by electrification, lifting tray 7 is lifted, and then cutter 15 is lifted. Second automatic conveying vehicle 12 moves to the left end blocking rod 131 by driving device 123 on cutter beam 13, and then cutter 15 is conveyed to the above of cutterhead 1 changing tool platform, is placed on the cutterhead 1 changing tool platform by second winding mechanism 122, second suction disc 121 is deenergized, and second suction disc 121 is retracted.

[0035] The cutter conveying device of the utility model, through first transfer mechanism 9, cutter 15 conveyed from outside is sucked, and then is placed on first automatic conveying vehicle 10, first automatic conveying vehicle 10 moves to the below of second transfer mechanism along conveying track 11 with cutter 15, second transfer mechanism sucks cutter 15 and lifts to the position of changing tool platform, thereby solve the technical problem that cutter 15 conveying process cannot be unmanned and fully mechanized when cutter 15 is replaced in the full-face hard rock tunnel boring machine in the prior art. The utility model realizes the magnetic attraction and placement of lifting tray 7 by electromagnetic suction disc, greatly reduces the difficulty of lifting and placement, and improves the efficiency of cutter conveying.

[0036] The above merely describes preferred embodiments of the present application and is not intended to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A knife transport device, characterized in that, The first transfer mechanism (9) is used to be installed on the segment erector (6), the knife transporting beam (13) is used to be installed on the main drive (2) of the cutter head (1), the second transfer mechanism is movably installed on the knife transporting beam (13), the second transfer mechanism comprises a second automatic transporting vehicle (12) and a driving member used to drive the second automatic transporting vehicle (12) to move along the knife transporting beam (13), and the transporting track (11) is used to be installed on the inner wall of the shield body and is located below the first transfer mechanism (9) and the second transfer mechanism, and the first automatic transporting vehicle (10) is movably installed on the transporting track (11).

2. The knife transport device of claim 1, wherein, The first transfer mechanism (9) comprises a telescopic mechanism (93), a first winding mechanism (92) and a first suction disc (91), the first end of the telescopic mechanism (93) is used to be connected to the segment erector (6), the second end of the telescopic mechanism (93) is connected to the first winding mechanism (92), and the first suction disc (91) is connected to the tail end of the first winding mechanism (92).

3. The knife transport device of claim 2, wherein, The second transfer mechanism further comprises a second winding mechanism (122) and a second suction disc (121), the second winding mechanism (122) is installed on the second automatic transporting vehicle (12), and the second suction disc (121) is connected to the tail end of the second winding mechanism (122).

4. The knife transport device of claim 3, wherein, The lifting disc (7) is connected to the cutter (15) to be transported and is used for the first suction disc (91) and the second suction disc (121) to adsorb.

5. The knife transport device of claim 1, wherein, The two ends of the transporting track (11) are provided with limiting rods (111).

6. The knife transport device of claim 1, wherein, The two ends of the knife transporting beam (13) are provided with blocking rods (131).

7. The knife transport device of claim 1, wherein, The knife transporting beam (13) is provided with a fixing seat (14) used to be fixed to the main drive (2) of the cutter head (1).

8. A dual shield TBM, characterized by, The cutter head (1), the front shield (3), the telescopic shield (4), the rear shield (5), the segment erector (6) and the cutter transporting device as claimed in claim 1 are comprised, the rear part of the cutter head (1) is provided with the main drive (2), the front shield (3) is connected to the cutter head (1), the telescopic shield (4) is connected to the front shield (3), the rear shield (5) is connected to the telescopic shield (4), the segment erector (6) is installed on the rear shield (5), and the cutter transporting device is installed at the positions of the telescopic shield (4) and the rear shield (5).