Tooling and methods for dismantling the shield of a tunnel boring machine inside the tunnel.

Abstract

This invention discloses a tooling and method for dismantling the shield body of a tunnel boring machine (TBM) inside a tunnel, comprising: a mobile work vehicle, including a main body and a support frame, the support frame being vertically and horizontally movable at the front end of the main body; an upper dismantling mechanism, including multiple main support members and multiple auxiliary support members, the main support members being hinged to the upper part of the support frame, and at least one auxiliary support member being provided on each horizontal side of the main support member, one end of the auxiliary support member being hinged to the support frame, and the other end of the auxiliary support member being hinged to the corresponding main support member, both the main support members and the auxiliary support members being axially telescopically configurable; and a lower dismantling mechanism, including multiple lifting components located below the support frame. This invention enables the dismantling and transfer of multiple shield blocks within the tunnel, improving both safety and efficiency, thereby enhancing the economic benefits of tunnel construction.

Description

Technical Field

[0001] This invention relates to the field of tunnel construction technology, and in particular, to a tooling and method for dismantling the shield of a tunnel boring machine inside a tunnel. Background Technology

[0002] With the rapid development of infrastructure, the number of planned and under-construction tunnels is increasing. To reduce the risks of tunnel construction, tunnel boring machines (TBMs) are widely used in tunnel engineering. Shield dismantling is a crucial part of the entire construction process. Due to the inability to use large cranes, the shield of some TBMs needs to be dismantled inside the tunnel. Current technology involves cutting and destroying the shield inside the tunnel, followed by using a hand-operated hoist for lifting. However, this method is difficult to control, has a long construction period, and low work efficiency. Summary of the Invention

[0003] The purpose of this invention is to provide a tooling and method for dismantling the shield of a tunnel boring machine inside a tunnel, so as to solve the technical problems of difficulty in controlling the risks of dismantling the shield of a tunnel boring machine inside a tunnel, as well as the long construction period and low work efficiency.

[0004] The above-mentioned objectives of the present invention can be achieved by the following technical solutions:

[0005] This invention provides a tooling for dismantling the shield of a tunnel boring machine, comprising: a mobile work vehicle, including a main body and a support frame, wherein the support frame is movably and horizontally positioned at the front end of the main body; an upper dismantling mechanism, including multiple main support members and multiple auxiliary support members, wherein the main support members are hinged to the upper part of the support frame, and at least one auxiliary support member is provided on each of the horizontal sides of the main support members, one end of the auxiliary support member is hinged to the support frame, and the other end of the auxiliary support member is hinged to the corresponding main support member, wherein both the main support members and the auxiliary support members are axially telescopically oriented; and a lower dismantling mechanism, including multiple lifting members, wherein the lifting members are positioned below the support frame.

[0006] In embodiments of the present invention, multiple main support members are arranged at intervals along the axial direction of the shield body to form multiple sets of main support structures, and each set of main support structures includes a central main support member and multiple side main support members, with the multiple side main support members symmetrically arranged on both horizontal sides of the central main support member.

[0007] In an embodiment of the present invention, multiple sets of hoisting structures are arranged at intervals along the axial direction of the shield body below the support frame, and each set of hoisting structures includes multiple hoisting components, and the multiple hoisting components of each set of hoisting structures are arranged at intervals along the horizontal direction.

[0008] In an embodiment of the present invention, the hoisting component is an electric hoist.

[0009] In an embodiment of the present invention, the main body of the work vehicle includes a mobile frame and a mounting frame. The two sides of the mounting frame are connected to the mobile frame through a plurality of horizontal telescopic members arranged at intervals along the axial direction of the shield body. The support frame is mounted on the front end of the mounting frame.

[0010] In an embodiment of the present invention, the mounting frame includes a base frame and a top frame. The base frame is mounted on the mobile frame via a plurality of horizontal telescopic members, and the top frame is mounted above the base frame via a plurality of lifting telescopic members. The support frame is mounted at the front end of the top frame.

[0011] In an embodiment of the present invention, the shield body includes a top central shield block and two top side shield blocks spliced ​​on both sides of the top central shield block; during the dismantling of the top central shield block, the support frame is fixedly connected to the top central shield block; during the dismantling of the two top side shield blocks, multiple rotating lugs are installed on the top side shield blocks, and multiple main support members are hinged to multiple rotating lugs.

[0012] In an embodiment of the present invention, the shield body further includes two side upper shield blocks spliced ​​with the two top side shield blocks, two side lower shield blocks spliced ​​with the two side upper shield blocks, and a bottom shield block spliced ​​between the two side lower shield blocks; during the dismantling of the two side upper shield blocks, multiple lifting components are connected to the side upper shield blocks through multiple lifting lugs; during the dismantling of the two side lower shield blocks, multiple lifting components are connected to the side lower shield blocks through multiple lifting lugs; during the dismantling of the bottom shield block, multiple lifting components are connected to the bottom shield block through multiple lifting lugs.

[0013] This invention also provides a method for dismantling the shield body of a tunnel boring machine (TBM) inside a tunnel, employing the aforementioned tooling for dismantling the shield body of a TBM inside a tunnel; the shield body comprises multiple shield blocks including a top middle shield block, two top side shield blocks spliced ​​to both sides of the top middle shield block, two side upper shield blocks spliced ​​to the two top side shield blocks, two side lower shield blocks spliced ​​to the two side upper shield blocks, and a bottom shield block spliced ​​between the two side lower shield blocks; the method includes the following steps: dismantling the top middle shield block: supporting the top middle shield block with a support frame; dismantling the top middle shield block with the two top side shield blocks... Separation of the side shield blocks; Removal of the two top side shield blocks: Based on the position of one top side shield block, multiple auxiliary supports of the upper removal mechanism extend and retract along its axial direction to adjust the support direction of multiple main supports; The multiple main supports support one top side shield block; Separate one top side shield block from the side upper shield block it is spliced ​​with; Based on the position of the other top side shield block, remove the other top side shield block using the same steps; Removal of the two side upper shield blocks: Based on the position of one side upper shield block, adjust the position of the support frame; Lower removal machine The mechanism uses multiple lifting components to suspend one of the side upper shield blocks; separates the side upper shield block from the side lower shield block it is attached to; adjusts the position of the support frame according to the position of the other side upper shield block, and then removes the other side upper shield block using the same steps; removal of the two side lower shield blocks: adjust the position of the support frame according to the position of one side lower shield block; the lower removal mechanism uses multiple lifting components to suspend one side lower shield block; separates the side lower shield block from the bottom shield block; adjusts the position of the support frame according to the position of the other side lower shield block... The support frame is positioned as described in Section 1, and then the other side lower shield block is removed using the same steps; Removal of the bottom shield block: The position of the support frame is adjusted according to the position of the bottom shield block; The multiple lifting components of the lower removal mechanism lift the bottom shield block; Transfer of multiple shield blocks: After one shield block is removed, it is transferred out of the tunnel by a mobile work vehicle, so that multiple shield blocks are removed one by one and transferred out of the tunnel one by one; or after multiple shield blocks are removed one by one, multiple shield blocks are transferred out of the tunnel together by the mobile work vehicle.

[0014] In an embodiment of the present invention, the top intermediate shield block has an inner side facing into the tunnel; the support frame supports the top intermediate shield block by: fixing the support frame to the inner side of the top intermediate shield block to support the top intermediate shield block; the top side shield block has an upper splicing end face that is spliced ​​with the top intermediate shield block; a plurality of main support members support a top side shield block by: hinged the plurality of main support members to the upper splicing end face of the top side shield block to support the top side shield block.

[0015] In embodiments of the present invention, both the upper side shield block and the lower side shield block have opposing front and rear sides in the axial direction of the shield body, and both have opposing upper and lower splicing end faces in the circumferential direction of the shield body. The multiple lifting components of the lower dismantling mechanism suspend one of the upper side shield blocks, including: installing multiple lifting lugs on the front and rear faces of the upper side shield block and placing them close to the two splicing end faces of the upper side shield block; the multiple lifting components of the lower dismantling mechanism are connected to the multiple lifting lugs on the upper side shield block to suspend the upper side shield block; the multiple lifting components of the lower dismantling mechanism suspend one of the lower side shield blocks, including: installing multiple lifting lugs on the front and rear faces of the lower side shield block and placing them close to the two splicing end faces of the lower side shield block; the multiple lifting components of the lower dismantling mechanism are connected to the multiple lifting lugs on the lower side shield block to suspend the lower side shield block.

[0016] The features and advantages of this invention are:

[0017] The tooling for dismantling the shield body of a tunnel boring machine (TBM) of the present invention, based on the positions of multiple shield blocks, adjusts the height of the support frame by lifting and / or adjusting the horizontal position of the support frame by translation. This allows for direct support of the shield blocks for dismantling. Alternatively, multiple auxiliary support members of the upper dismantling mechanism can be used to adjust the support direction of multiple main supports along their axial extension and retraction, thereby supporting the shield blocks and causing them to swing, thus dismantling them. Furthermore, multiple hoisting components of the lower dismantling mechanism can be used to suspend the shield blocks and their retraction and extension can cause them to swing, thus dismantling them. After dismantling, the shield blocks can be transferred out of the tunnel by a mobile work vehicle. Therefore, the present invention enables the dismantling and transfer of multiple shield blocks within the tunnel, improving both safety and efficiency, thereby enhancing the economic benefits of tunnel construction.

[0018] The method for dismantling the shield of a tunnel boring machine (TBM) in this invention utilizes a support frame to support the top middle shield block, separating it from the two top side shield blocks. Then, multiple auxiliary support members of the upper dismantling mechanism are used in telescopic coordination to adjust the support direction of multiple main support members, thereby sequentially supporting the two top side shield blocks and separating them from the upper side shield blocks on both sides. Next, by adjusting the lifting and translation of the support frame, multiple hoisting components of the lower dismantling mechanism are used to suspend the upper side shield blocks on both sides, separating them from the lower side shield blocks on both sides. Then, by adjusting the lifting and translation of the support frame, multiple hoisting components of the lower dismantling mechanism are used to suspend the lower side shield blocks on both sides, separating them from the bottom shield block on both sides. Furthermore, the dismantled shield blocks can be transferred out of the tunnel by a mobile work vehicle. This facilitates the rapid dismantling and transfer of each shield block within the tunnel and is safer. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 This is a perspective view of the tooling for dismantling the shield of a tunnel boring machine according to the present invention.

[0021] Figure 2 This is a side view of the tooling for dismantling the shield of a tunnel boring machine according to the present invention.

[0022] Figure 3 This is a perspective view of the invention when the top middle shield block is removed.

[0023] Figure 4 This is a rear view of the invention when the top middle shield block is removed.

[0024] Figure 5 This is a perspective view of the invention after the top middle shield block has been removed.

[0025] Figure 6 This is a rear view of the invention after the top middle shield block has been removed.

[0026] Figure 7 This is a perspective view of the invention when the top side shield block is removed.

[0027] Figure 8 This is a rear view of the invention when the top side shield block is removed.

[0028] Figure 9 This is a perspective view of the invention after the top side shield block has been removed.

[0029] Figure 10 This is a rear view of the present invention after the top side shield block has been removed.

[0030] Figure 11 This is a perspective view of the side lower shield block being removed according to the present invention.

[0031] Figure 12 This is a rear view of the invention when the side lower shield block is removed.

[0032] Figure 13 This is a perspective view of the invention after the side lower shield block has been removed.

[0033] Figure 14 This is a rear view of the present invention after the side lower shield block has been removed.

[0034] In the picture:

[0035] 1. Main body of the work vehicle; 11. Mobile frame; 111. Mobile wheels; 12. Mounting frame; 121. Base frame; 122. Top frame; 123. Lifting and telescopic components; 13. Horizontal telescopic components;

[0036] 2. Support frame;

[0037] 3. Upper dismantling mechanism; 31. Main support structure; 311. Main support component; 312. Intermediate main support component; 313. Side main support component; 32. Auxiliary support component;

[0038] 4. Lower dismantling mechanism; 41. Lifting structure; 411. Lifting components;

[0039] 5. Shield body; 51. Top middle shield block; 52. Top side shield block; 52'. Top side shield block; 53. Upper side shield block; 53'. Upper side shield block; 54. Lower side shield block; 54'. Lower side shield block; 55. Bottom shield block;

[0040] 6. Steel connecting parts;

[0041] 7. Rotate the ear seat;

[0042] 8. Hanging lugs;

[0043] 9. Tunnel. Detailed Implementation

[0044] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0045] Implementation Method 1

[0046] like Figure 1 As shown, the present invention provides a tooling for dismantling the shield of a tunnel boring machine, comprising: a mobile work vehicle, including a work vehicle body 1 and a support frame 2, the support frame 2 being vertically and horizontally movable at the front end of the work vehicle body 1; an upper dismantling mechanism 3, including multiple main support members 311 and multiple auxiliary support members 32, the main support members 311 being hinged to the upper part of the support frame 2, and at least one auxiliary support member 32 being provided on each of the horizontal sides of the main support members 311, one end of the auxiliary support member 32 being hinged to the support frame 2, and the other end of the auxiliary support member 32 being hinged to the corresponding main support member 311, both the main support member 311 and the auxiliary support member 32 being axially telescopically configurable; and a lower dismantling mechanism 4, including multiple lifting members 411, the lifting members 411 being located below the support frame 2.

[0047] Combination Figure 4 As shown, for ease of description, the width direction of tunnel 9 is defined as the horizontal direction, which is the direction in which the support frame 2 can move horizontally; the height direction of tunnel 9 is the up-down direction, which is the direction in which the support frame 2 can rise and fall; the length direction of tunnel 9 is the front-back direction, which is the axial direction of the shield 5; and the radial direction of tunnel 9 is the inside-outside direction.

[0048] Combination Figures 3 to 14 As shown, the tooling for dismantling the shield body of a tunnel boring machine in this invention, based on the positions of multiple shield blocks of the shield body 5, can directly support the shield blocks using the support frame 2 by lifting and / or translating to adjust the horizontal position of the support frame 2, thereby dismantling the shield blocks. Alternatively, multiple auxiliary support members 32 of the upper dismantling mechanism 3 can be used to extend and retract along their axial direction to drive multiple main support members 311 to swing, thereby adjusting the support direction of the multiple main support members 311. This allows the shield blocks to be supported by the multiple main support members 311, and the extension and retraction of the multiple main support members 311 and the extension and retraction of the multiple auxiliary support members 32 can drive the shield blocks to swing, thereby dismantling the shield blocks. Furthermore, multiple hoisting members 411 of the lower dismantling mechanism 4 can be used to suspend the shield blocks, and the retraction and retraction of the multiple hoisting members 411 can drive the shield blocks to swing, thereby dismantling the shield blocks. After dismantling, the shield blocks can be transferred out of the tunnel 9 by a mobile work vehicle. Therefore, this invention can realize the dismantling and transfer of multiple shield blocks of the shield body 5 in the tunnel, and both safety and efficiency are improved, thus contributing to improving the economic benefits of tunnel 9 construction.

[0049] Specifically, such as Figure 1 As shown, both the main support component 311 and the auxiliary support component 32 can be telescopic hydraulic cylinders, or they can be electric telescopic rods, telescopic air cylinders, or other telescopic drive structures. The lifting component 411 suspends the shield block via lifting ropes; this can be an electric hoist or other existing lifting and hoisting structures. For example... Figure 1 and Figure 2As shown, the main body 1 of the work vehicle includes a mobile frame 11 and a mounting frame 12. The two sides of the mounting frame 12 are connected to the mobile frame 11 via multiple horizontal telescopic members 13 arranged at intervals along the axial direction of the shield body 5. A support frame 2 is located at the front end of the mounting frame 12. The mounting frame 12 includes a base frame 121 and a top frame 122. The base frame 121 is mounted on the mobile frame 11 via multiple horizontal telescopic members 13, and the top frame 122 is mounted above the base frame 121 via multiple lifting telescopic members 123. The support frame 2 is installed at the front end of the top frame 122. The mounting frame 12 drives the support frame 2 to rise, fall, and translate. Compared to directly driving the support frame 2, the structure of the support frame 2 is more stable, thus ensuring the stability of the support frame 2, the upper dismantling mechanism 3, and the lower dismantling mechanism 4 during the dismantling of the shield. A counterweight is provided at the rear end of the mobile frame 11 and / or the rear end of the mounting frame 12. By setting the counterweight, the front-heavy and rear-light structure of the shield can be prevented from tipping over during dismantling.

[0050] Multiple horizontal telescopic components 13, through telescopic cooperation, drive the mounting frame 12 to move horizontally, causing the support frame 2 to move synchronously horizontally under the drive of the mounting frame 12. Multiple lifting telescopic components 123, through synchronous telescopic extension and retraction, drive the top frame 122 to rise or fall, causing the support frame 2 to rise or fall synchronously under the drive of the top frame 122. The horizontal telescopic components 13 and the lifting telescopic components 123 can be telescopic hydraulic cylinders, electric telescopic rods, telescopic air cylinders, or other telescopic drive structures. The mounting frame 12 can also be a lifting bracket as in the prior art. The bottom of the mobile frame 11 is equipped with multiple moving wheels 111, and the rear end of the mobile frame 11 can be connected to a multi-axle hydraulic trailer, thereby completing the transfer of each shield block under the drag of the trailer (including but not limited to a multi-axle hydraulic trailer).

[0051] like Figure 1 and Figure 2 As shown, in the embodiment of the present invention, multiple main support members 311 are arranged at intervals along the axial direction of the shield body 5 to form multiple sets of main support structures 31. Each set of main support structures 31 includes a central main support member 312 and multiple side main support members 313, with the side main support members 313 symmetrically arranged on both horizontal sides of the central main support member 312. By arranging multiple sets of main support structures 31 at intervals along the axial direction of the shield body 5, the force distribution on the shield block along the axial direction of the shield body 5 is more uniform, resulting in more stable support. Specifically, the axial length of the central main support member 312 is greater than the axial length of the side main support members 313, and the supporting capacity of the central main support member 312 is greater than the supporting capacity of the side main support members 313. Figure 1 , Figure 7 as well as Figure 8 As shown, the central main support 312 can cooperate with the side main support 313 on both sides to support the shield blocks on both sides.

[0052] like Figure 1 and Figure 2 As shown, in this embodiment of the invention, multiple sets of lifting structures 41 are arranged at intervals along the axial direction of the shield body 5 below the support frame 2, and each set of lifting structures 41 includes multiple lifting components 411. The multiple lifting components 411 of each set of lifting structures 41 are arranged at intervals in the horizontal direction. By arranging multiple sets of lifting structures 41 at intervals along the axial direction of the shield body 5, the force distribution on the shield block in the axial direction of the shield body 5 is more uniform, thus making it more stably suspended. Each set of lifting structures 41, by arranging multiple lifting components 411 at intervals in the horizontal direction, can, on the one hand, suspend the shield block at multiple positions along the circumference of the shield body 5, and on the other hand, can drive the shield block to swing through the retraction and extension, thereby facilitating the separation and stable transfer of the shield block.

[0053] like Figure 3 and Figure 4 As shown, in an embodiment of the present invention, the shield body 5 includes a plurality of shield blocks including a top middle shield block 51, top side shield blocks 52 and top side shield blocks 52' spliced ​​on both sides of the top middle shield block 51, a side upper shield block 53 spliced ​​with the top side shield block 52, a side upper shield block 53' spliced ​​with the top side shield block 52', a side lower shield block 54 spliced ​​with the side upper shield block 53, a side lower shield block 54' spliced ​​with the side upper shield block 53', and a bottom shield block 55 spliced ​​between the side lower shield block 54 and the side lower shield block 54'.

[0054] The dismantling process of shield 5 is as follows: First, the support frame 2 is used to support the top middle shield block 51 to separate the top middle shield block 51 from the top side shield blocks 52 and 52' on both sides; then, the multiple auxiliary support members 32 of the upper dismantling mechanism 3 are used to adjust the support direction of the multiple main support members 311 through telescopic cooperation, thereby supporting the top side shield blocks 52 and 52' on both sides in sequence, so that the top side shield blocks 52 and 52' on both sides can be separated from the side upper shield blocks 53 and 53'; then, the lower dismantling mechanism is used to adjust the support frame 2 by lifting and translating. Multiple lifting components 411 of the 4 hoist the upper side shield 53 and the upper side shield 53' to separate the upper side shield 53 and the upper side shield 53' from the lower side shield 54 and the lower side shield 54'; then, by adjusting the lifting and translation of the support frame 2, multiple lifting components 411 of the lower dismantling mechanism 4 sequentially hoist the lower side shield 54 and the lower side shield 54' to separate the lower side shield 54 and the lower side shield 54' from the bottom shield 55; and the dismantled shield blocks can be transferred out of the tunnel 9 by a mobile work vehicle; thus facilitating the rapid dismantling and transfer of each shield block in the tunnel, and making it safer.

[0055] Each shield block has two splicing end faces (i.e., end faces used for splicing with adjacent shield blocks) arranged opposite each other in the circumferential direction of the shield body 5, a front side and a rear side face arranged opposite each other in the axial direction of the shield body 5, an inner side face (i.e., an inner arc face near the center of the tunnel 9) arranged inwards towards the tunnel 9, and an outer side face (i.e., an outer arc face near the center of the tunnel 9) arranged outwards towards the tunnel 9.

[0056] like Figures 3 to 6 As shown, the support frame 2 can be adjusted by lifting and / or translating to be directly below the top intermediate shield block 51, and then fixedly connected to the inner side of the top intermediate shield block 51 facing into the tunnel 9, thereby supporting the top intermediate shield block 51; then the connecting bolts between the top intermediate shield block 51 and the top side shield blocks 52 and 52' are removed; then the support frame 2 drives the top intermediate shield block 51 to descend, thereby separating the top intermediate shield block 51 from the top side shield blocks 52 and 52'. The upper removal mechanism 3 is not initially installed on the support frame 2. The support frame 2 can be fixed to the top intermediate shield block 51 by welding multiple steel connectors 6, or by bolted connectors.

[0057] like Figures 7 to 10 As shown, after the top middle shield block 51 is removed, the upper splicing end faces of the top side shield blocks 52 and 52' that were originally spliced ​​with the top middle shield block 51 are exposed, creating operating space for the upper removal mechanism 3 between the top side shield blocks 52 and 52'. Therefore, after the upper removal mechanism 3 is installed on the support frame 2, multiple main support members 311 can be hinged to the upper splicing end faces of the top side shield block 52', thereby supporting the top side shield block 52'. Then, the connecting bolts between the top side shield block 52' and the side upper shield block 53' are removed. Subsequently, the support frame 2 drives the multiple main support members 311 to descend, while multiple auxiliary support members 32 extend and retract to drive the multiple main support members 311 to swing towards the center. The multiple main support members 311 also extend and retract, causing the multiple main support members 311 to move the top side shield block 52', thereby separating the top side shield block 52' from the side upper shield block 53'. The removal of the other top side shield block 52 can be achieved in the same way. In this process, multiple rotating lugs 7 can be fixed to the upper splicing end faces of the top side shield block 52 and the top side shield block 52', and then the upper ends of multiple main support members 311 can be hinged to multiple rotating lugs 7 through multiple rotating pins.

[0058] After the top side shield 52 and top side shield 52' are removed, the upper side shield 53 and upper side shield 53' have operating space above them for the lower removal mechanism 4. Therefore, the support frame 2 drives multiple lifting components 411 to rise and move horizontally closer to one side upper side shield 53'; then, the multiple lifting components 411 are connected to the front and rear sides of the upper side shield 53' and the upper side shield 53' is suspended (i.e., the upper side shield 53' is in a tension state); then, the connecting bolts between the upper side shield 53' and the lower side shield 54' are removed; then, the support frame 2 drives multiple lifting components 411 to continue rising, and at the same time, the multiple lifting components 411 are retracted and extended in coordination to drive the upper side shield 53' to swing, thereby separating the upper side shield 53' from the lower side shield 54', and the removal of the other upper side shield 53 can be achieved in the same way. First, multiple lifting lugs 8 can be installed on the front and rear faces of the side upper shield block 53 and the side upper shield block 53', and set close to the two splicing end faces of the side upper shield block 53 and the side upper shield block 53'; then, multiple lifting components 411 are connected to the multiple lifting lugs 8 on the side upper shield block 53 and the side upper shield block 53' to suspend the side upper shield block 53 and the side upper shield block 53'.

[0059] like Figures 11 to 14 As shown, after the removal of the upper side shield 53 and the upper side shield 53', the upper side shield 54 and the lower side shield 54' have operating space above them for the lower removal mechanism 4. Therefore, the support frame 2 drives multiple lifting components 411 to descend and move horizontally closer to one side upper shield 53; then, the multiple lifting components 411 are connected to the front and rear sides of the lower side shield 54' and the lower side shield 54' is suspended (i.e., the lower side shield 54' is in a tension state); then, the connecting bolts between the lower side shield 54' and the bottom shield 55 are removed; then, the support frame 2 drives multiple lifting components 411 to rise, and at the same time, the multiple lifting components 411 are retracted and extended to drive the lower side shield 54' to swing, thereby separating the lower side shield 54' from the bottom shield 55. The removal of the other side lower shield 54 can be achieved in the same way. First, multiple lifting lugs 8 can be installed on the front and rear faces of the side lower shield block 54 and the side lower shield block 54', and set close to the two splicing end faces of the side lower shield block 54 and the side lower shield block 54'; then, multiple lifting components 411 are connected to the multiple lifting lugs 8 on the side lower shield block 54 and the side lower shield block 54' to suspend the side lower shield block 54 and the side lower shield block 54'.

[0060] Finally, only the bottom shield block 55 remains, so the removal of the bottom shield block 55 is relatively simple. The support frame 2 moves multiple lifting components 411 horizontally to directly above the bottom shield block 55; then the multiple lifting components 411 are connected to the bottom shield block 55; and then the bottom shield block 55 is directly lifted by raising the support frame 2 and / or shortening the lifting ropes of the multiple lifting components 411.

[0061] Furthermore, regarding the transfer of each shield block after dismantling, in one embodiment of the present invention, each shield block is transferred out of tunnel 9 separately using a mobile work vehicle after dismantling; that is, multiple shield blocks are dismantled one by one and transferred out of tunnel 9 one by one. In another embodiment of the present invention, multiple shield blocks are temporarily stored on a mobile work vehicle after dismantling, and then the multiple shield blocks are transferred out of tunnel 9 together using the mobile work vehicle.

[0062] Implementation Method 2

[0063] This invention also provides a method for dismantling the shield body of a tunnel boring machine (TBM) inside a tunnel, using a tooling fixture for dismantling the TBM shield body inside a tunnel. The tooling fixture for dismantling the TBM shield body inside a tunnel in this embodiment has the same specific structure, working principle, and beneficial effects as the tooling fixture for dismantling the TBM shield body inside a tunnel in Embodiment 1, and will not be described again here.

[0064] The method for dismantling the shield of a tunnel boring machine inside a tunnel according to the present invention includes the following steps:

[0065] like Figures 3 to 6 As shown, the removal of the top intermediate shield block involves: the support frame 2 supporting the top intermediate shield block 51; and separating the top intermediate shield block 51 from the top side shield blocks 52 and 52'. Specifically, the top intermediate shield block 51 has an inner side facing into the tunnel 9; the support frame 2 supports the top intermediate shield block 51 by: fixing the support frame 2 to the inner side of the top intermediate shield block 51 to support the top intermediate shield block 51.

[0066] like Figures 7 to 10 As shown, the removal of the top side shield block 52 and the top side shield block 52' is as follows: Based on the position of one top side shield block 52', multiple auxiliary support members 32 of the upper removal mechanism 3 extend and retract along their axial direction to adjust the support direction of multiple main support members 311; the multiple main support members 311 support one top side shield block 52'; one top side shield block 52' is separated from its spliced ​​side upper shield block 53'; based on the position of the other top side shield block 52, the other top side shield block is removed using the same steps. Specifically, the top side shield block 52' has an upper splicing end face that splices with the top middle shield block 51; the multiple main support members 311 support one top side shield block 52', including: the multiple main support members 311 are hinged to the upper splicing end face of the top side shield block 52' to support the top side shield block 52'.

[0067] Removal of side upper shield block 53 and side upper shield block 53': Adjust the position of support frame 2 according to the position of one side upper shield block 53'; multiple lifting parts 411 of the lower removal mechanism 4 lift one side upper shield block 53'; separate one side upper shield block 53' from its spliced ​​side lower shield block 54'; adjust the position of support frame 2 according to the position of the other side upper shield block 53, and then remove the other side upper shield block 53 in the same steps.

[0068] like Figures 11 to 14 As shown, the removal of the side lower shield block 54 and the side lower shield block 54' is as follows: the position of the support frame 2 is adjusted according to the position of the side lower shield block 54'; the multiple lifting parts 411 of the lower removal mechanism 4 lift the side lower shield block 54'; the side lower shield block 54' is separated from the bottom shield block 55; the position of the support frame 2 is adjusted according to the position of the other side lower shield block 54, and then the other side lower shield block 54 is removed in the same manner.

[0069] Specifically, both the upper side shield block 53' and the lower side shield block 54' have opposing front and rear sides in the axial direction of the shield body 5, and both have opposing upper and lower splicing end faces in the circumferential direction of the shield body 5. Multiple lifting components 411 of the lower dismantling mechanism 4 suspend one side upper shield block 53', including: installing multiple lifting lugs 8 on the front and rear faces of the side upper shield block 53' and placing them close to the two splicing end faces of the side upper shield block 53'; and connecting the multiple lifting components 411 of the lower dismantling mechanism 4 with the multiple lifting lugs 8 on the side upper shield block 53' to suspend the side upper shield block 53'. The lower demolition mechanism 4 has multiple lifting components 411 that suspend one side of the lower shield block 54', including: installing multiple lifting lugs 8 on the front and rear faces of the side lower shield block 54' and setting them close to the two splicing end faces of the side lower shield block 54'; the lower demolition mechanism 4 has multiple lifting components 411 that are connected to the multiple lifting lugs 8 on the side lower shield block 54' to suspend the side lower shield block 54'.

[0070] Removal of the bottom shield block 55: Adjust the position of the support frame 2 according to the position of the bottom shield block 55; the multiple lifting parts 411 of the lower removal mechanism 4 lift the bottom shield block 55.

[0071] Transfer of multiple shield blocks: After one shield block is removed, it is moved out of tunnel 9 by a mobile work vehicle, so that multiple shield blocks are removed one by one and moved out of tunnel 9 one by one; or after multiple shield blocks are removed one by one, multiple shield blocks are moved out of tunnel 9 together by a mobile work vehicle.

[0072] The above descriptions are merely a few embodiments of the present invention. Those skilled in the art can make various modifications or variations to the embodiments of the present invention based on the content disclosed in the application documents without departing from the spirit and scope of the present invention.

Claims

1. A tooling for dismantling the shield of a tunnel boring machine inside a tunnel, characterized in that, include: A mobile work vehicle includes a work vehicle body (1) and a support frame (2), wherein the support frame (2) is disposed at the front end of the work vehicle body (1) in a way that can be raised, lowered and moved horizontally; The upper dismantling mechanism (3) includes multiple main support members (311) and multiple auxiliary support members (32). The main support members (311) are hinged to the upper part of the support frame (2). At least one auxiliary support member (32) is provided on each of the horizontal sides of the main support members (311). One end of the auxiliary support member (32) is hinged to the support frame (2), and the other end of the auxiliary support member (32) is hinged to the corresponding main support member (311). Both the main support members (311) and the auxiliary support members (32) can be extended and retracted along their axial direction. The lower dismantling mechanism (4) includes multiple lifting components (411), which are located below the support frame (2); The main body (1) of the work vehicle includes a mobile frame (11) and a mounting frame (12). The two sides of the mounting frame (12) are connected to the mobile frame (11) through a plurality of horizontal telescopic members (13) arranged at intervals along the axial direction of the shield body (5). The support frame (2) is located at the front end of the mounting frame (12). The mounting frame (12) includes a base frame (121) and a top frame (122). The base frame (121) is mounted on the mobile frame (11) via multiple horizontal telescopic components (13). The top frame (122) is mounted above the base frame (121) via multiple lifting telescopic components (123). The support frame (2) is mounted on the front end of the top frame (122).

2. The tooling for dismantling the shield body of a tunnel boring machine according to claim 1, characterized in that, Multiple main support members (311) are arranged at intervals along the axial direction of the shield body (5) to form multiple sets of main support structures (31), and each set of main support structures (31) includes a middle main support member (312) and multiple side main support members (313), and the multiple side main support members (313) are symmetrically arranged on both sides of the middle main support member (312).

3. The tooling for dismantling the shield body of a tunnel boring machine according to claim 1, characterized in that, Multiple sets of hoisting structures (41) are arranged at intervals along the axial direction of the shield body (5) below the support frame (2), and each set of hoisting structures (41) includes multiple hoisting parts (411), and the multiple hoisting parts (411) of each set of hoisting structures (41) are arranged at intervals along the horizontal direction.

4. The tooling for dismantling the shield body of a tunnel boring machine according to claim 1, characterized in that, The hoisting component (411) is an electric hoist.

5. The tooling for dismantling the shield body of a tunnel boring machine according to claim 1, characterized in that, The shield body (5) includes a top middle shield block (51) and two top side shield blocks (52) spliced ​​on both sides of the top middle shield block (51). During the dismantling of the top middle shield block (51), the support frame (2) is fixedly connected to the top middle shield block (51); During the removal of the two top side shield blocks (52), multiple rotating lugs (7) are installed on the top side shield blocks (52), and multiple main support members (311) are hinged to multiple rotating lugs (7).

6. The tooling for dismantling the shield body of a tunnel boring machine according to claim 5, characterized in that, The shield body (5) also includes two side upper shield blocks (53) spliced ​​with the two top side shield blocks (52), two side lower shield blocks (54) spliced ​​with the two side upper shield blocks (53), and a bottom shield block (55) spliced ​​between the two side lower shield blocks (54). During the dismantling of the two side upper shield blocks (53), multiple lifting components (411) are connected to the side upper shield blocks (53) through multiple lifting lugs (8); during the dismantling of the two side lower shield blocks (54), multiple lifting components (411) are connected to the side lower shield blocks (54) through multiple lifting lugs (8); during the dismantling of the bottom shield block (55), multiple lifting components (411) are connected to the bottom shield block (55) through multiple lifting lugs (8).

7. A method for dismantling the shield body of a tunnel boring machine inside a tunnel, characterized in that, The tooling for dismantling the shield body of a tunnel boring machine in any one of claims 1-6 is used; the shield body (5) comprises a plurality of shield blocks including a top middle shield block (51), two top side shield blocks (52) spliced ​​on both sides of the top middle shield block (51), two side upper shield blocks (53) spliced ​​with the two top side shield blocks (52), two side lower shield blocks (54) spliced ​​with the two side upper shield blocks (53), and a bottom shield block (55) spliced ​​between the two side lower shield blocks (54); The method includes the following steps: Removal of the top middle shield block (51): The support frame (2) supports the top middle shield block (51); the top middle shield block (51) is separated from the two top side shield blocks (52); Removal of the two top side shield blocks (52): According to the position of one top side shield block (52), the multiple auxiliary support members (32) of the upper removal mechanism (3) extend and retract along its axial direction to adjust the support direction of multiple main support members (311); the multiple main support members (311) support one top side shield block; separate one top side shield block (52) from the side upper shield block (53) it is spliced ​​with; according to the position of the other top side shield block (52), remove the other top side shield block (52) in the same steps; Removal of the two side upper shield blocks (53): Adjust the position of the support frame (2) according to the position of one side upper shield block (53); the multiple lifting parts (411) of the lower removal mechanism (4) suspend one side upper shield block (53); separate one side upper shield block (53) from the side lower shield block (54) it is spliced ​​with; adjust the position of the support frame (2) according to the position of the other side upper shield block (53), and then remove the other side upper shield block (53) in the same steps; Removal of the two side lower shield blocks (54): Adjust the position of the support frame (2) according to the position of one side lower shield block (54); the multiple lifting parts (411) of the lower removal mechanism (4) suspend one side lower shield block (54); separate one side lower shield block (54) from the bottom shield block (55); adjust the position of the support frame (2) according to the position of the other side lower shield block (54), and then remove the other side lower shield block (54) in the same steps; Removal of the bottom shield block (55): Adjust the position of the support frame (2) according to the position of the bottom shield block (55); the multiple lifting parts (411) of the lower removal mechanism (4) lift the bottom shield block (55). Transfer of multiple shield blocks: After one shield block is removed, the shield block is transferred out of the tunnel (9) by a mobile work vehicle, so that multiple shield blocks are removed one by one and transferred out of the tunnel (9) one by one; or after multiple shield blocks are removed one by one, multiple shield blocks are transferred out of the tunnel (9) together by the mobile work vehicle.

8. The method for dismantling the shield body of a tunnel boring machine according to claim 7, characterized in that, The top intermediate shield block (51) has an inner side facing into the tunnel (9); the support frame (2) supports the top intermediate shield block (51) by: fixing the support frame (2) to the inner side of the top intermediate shield block (51) to support the top intermediate shield block (51); The top side shield block (52) has an upper splicing end face that is spliced ​​with the top middle shield block (51); a plurality of the main support members (311) support the top side shield block (52), including: the plurality of the main support members (311) are hinged to the upper splicing end face of the top side shield block (52) to support the top side shield block (52).

9. The method for dismantling the shield body of a tunnel boring machine inside a tunnel according to claim 7, characterized in that, The upper side shield block (53) and the lower side shield block (54) each have a front side and a rear side that are arranged opposite to each other in the axial direction of the shield body (5), and the upper side shield block and the lower side shield block each have an upper splicing end face and a lower splicing end face that are arranged opposite to each other in the circumferential direction of the shield body (5). The lower dismantling mechanism (4) uses multiple lifting components (411) to suspend a side upper shield block (53), including: installing multiple lifting lugs (8) on the front and rear faces of the side upper shield block (53) and setting them close to the two splicing end faces of the side upper shield block (53); the multiple lifting components (411) of the lower dismantling mechanism (4) are connected to the multiple lifting lugs (8) on the side upper shield block (53) to suspend the side upper shield block (53). The lower dismantling mechanism (4) uses multiple lifting components (411) to suspend a side lower shield block (54), including: installing multiple lifting lugs (8) on the front and rear faces of the side lower shield block (54) and setting them close to the two splicing end faces of the side lower shield block (54); the multiple lifting components (411) of the lower dismantling mechanism (4) are connected to the multiple lifting lugs (8) on the side lower shield block (54) to suspend the side lower shield block (54).

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