Segment assembly ring, segment assembling equipment and segment assembling method

Abstract

The present invention discloses an assembly ring, a segment assembly device, and a segment assembly method, which relate to the field of tunnel construction and are used to improve the time it takes to assemble segments into a complete ring. The assembly ring includes an annular body and a support mechanism. The annular body is constructed in an annular shape. The support mechanism is installed at the bottom of the annular body; the support mechanism is constructed to provide support for the pre-installed first segment and second segment during the assembly process. The anti-drop mechanism is located on the side of the toggle mechanism away from the support mechanism. In the above technical solution, the support mechanism is directly used to support the segments during the segment assembly process, which greatly improves the efficiency of assembling the segments into a complete ring.

Description

Technical Field

[0001] The present invention relates to the field of tunnel construction, and in particular to an assembling ring, a segment assembling device and a segment assembling method. Background Art

[0002] Segment assembly is a critical step in tunnel construction. Existing segments used in tunnel construction are quadrilateral segments, secured by wedge-shaped K-blocks. Sealing strips are installed between adjacent segments to isolate groundwater and soil pressure. The speed of segment assembly directly impacts tunnel construction efficiency.

[0003] Segment assembly is the process of assembling several curved segments to form a ring. Currently, segment assembly follows these steps: When the tunnel boring machine completes excavation and begins assembly, the assembly sequence, position, and angle of each segment in the current ring are calculated based on the assembly positions of the previous ring. Each curved segment is assembled according to the calculated sequence, position, and angle.

[0004] The inventors discovered that there are at least the following problems in the prior art: the prior art only considers how to determine the installation order, angle and position of each arc-shaped pipe segment before assembling the individual arc-shaped pipe segments, but does not find the time for assembling each arc-shaped pipe segment. However, the process of assembling these arc-shaped pipe segments into a complete ring is still very time-consuming. Summary of the Invention

[0005] The present invention provides an assembling ring, a pipe segment assembling device and a pipe segment assembling method, which are used to improve the time for assembling pipe segments into a complete ring.

[0006] An embodiment of the present invention provides an assembly ring, characterized in that the assembly ring is used in a segment assembly device; the assembly ring comprises:

[0007] an annular body configured in an annular shape; and

[0008] A support mechanism is installed at the bottom of the annular body; the support mechanism is configured to provide support for the pre-installed first pipe segment and the second pipe segment during the assembly process.

[0009] In some embodiments, the support mechanism further comprises:

[0010] The anti-drop mechanism is located on a side of the toggle mechanism away from the support mechanism; the anti-drop mechanism is constructed to provide support for the pre-installed third pipe segment and the fourth pipe segment during the assembly process.

[0011] In some embodiments, the support mechanism further comprises:

[0012] A toggle mechanism is located near the supporting mechanism; the toggle mechanism includes a sliding assembly and a toggle assembly; the sliding assembly is slidably mounted on the annular body; the toggle assembly is mounted on the sliding assembly to move with the movement of the sliding assembly; the toggle mechanism is constructed to toggle the pre-installed first and second pipe segments so that the third and fourth pipe segments are connected to the fifth pipe segment, thereby providing space for the installation of the sixth pipe segment.

[0013] In some embodiments, the support mechanism comprises:

[0014] a support block rotatably mounted on the annular body; and

[0015] The first driving part is connected to the supporting block to drive the supporting block to switch between the recovery position and the supporting position; wherein, when the supporting block is in the recovery position, the supporting block is away from the first and second pipe segments to be assembled; when the supporting block is in the supporting position, the supporting block abuts against one circumferential end of the pre-installed first and second pipe segments.

[0016] In some embodiments, the anti-drop mechanism comprises:

[0017] A second driving part, mounted on the annular body; and

[0018] A blocking rod is rotatably connected to the second driving portion; the blocking rod is rotatably connected to the annular body so as to rotate under the drive of the second driving portion, thereby blocking the pre-installed third pipe segment and the fourth pipe segment.

[0019] In some embodiments, the blocking rod is rotatably mounted on the inner annular surface of the annular body, and the second driving portion is mounted on the axial end surface of the annular body.

[0020] In some embodiments, there are two anti-drop mechanisms, and the two anti-drop mechanisms are symmetrically arranged relative to the supporting mechanism; one of the anti-drop mechanisms is constructed to block the pre-installed third pipe segment, and the other anti-drop mechanism is constructed to block the pre-installed fourth pipe segment.

[0021] In some embodiments, the sliding assembly of the toggle mechanism includes:

[0022] A slide rail, mounted on the inner annular surface of the annular body;

[0023] a slider slidably mounted on the slide rail; and

[0024] The third driving part is drivingly connected to the slider to drive the slider to move relative to the slide rail.

[0025] In some embodiments, the toggle assembly of the toggle mechanism includes:

[0026] a toggle member rotatably mounted on the slider; and

[0027] A fourth driving part has one end mounted on the slider and the other end drivingly connected to the toggle member; the fourth driving part is configured to drive the toggle member to rotate so that the toggle member switches between a toggle position and a recovery position.

[0028] In some embodiments, there are two toggle mechanisms, which are symmetrically arranged relative to the support mechanism; one of the toggle mechanisms is configured to toggle the first tube segment and the third tube segment, and the other toggle mechanism is configured to toggle the second tube segment and the fourth tube segment.

[0029] An embodiment of the present invention further provides a segment assembly device, comprising:

[0030] thrust cylinders; and

[0031] The assembling ring provided by any technical solution of the present invention has an annular body installed on the propulsion cylinder.

[0032] An embodiment of the present invention further provides a segment assembly method, comprising the following steps:

[0033] Adjusting the support mechanism of the assembly ring to a supporting position;

[0034] An assembling machine is used to install the first pipe segment and the second pipe segment, wherein the first pipe segment and the second pipe segment are both supported by the supporting mechanism;

[0035] The third and fourth pipe segments are installed using an assembly machine, and the anti-drop mechanism of the assembly ring is switched to a supporting position to prevent the third and fourth pipe segments from falling;

[0036] The fifth pipe segment is installed by the assembly machine and supported by the assembly machine; the fifth pipe segment is located between the third pipe segment and the fourth pipe segment;

[0037] The first and second tube segments are moved by the moving mechanism of the assembly ring to push the third and fourth tube segments to be connected to the fifth tube segment;

[0038] Recovering the support structure of the assembly ring and installing the sixth segment using a crane. Thus, the first segment, the second segment, the third segment, the fourth segment, the fifth segment, and the sixth segment are assembled into a complete ring.

[0039] Return the assembling machine to its original position, retract the anti-drop mechanism of the assembling ring, and retract the toggle mechanism;

[0040] A thrust cylinder is used to push the entire ring to connect with the previous ring of segments.

[0041] In some embodiments, the first tube sheet and the second tube sheet are symmetrically arranged relative to the support mechanism.

[0042] In some embodiments, the third tube sheet is located on a side of the first tube sheet away from the second tube sheet; and the fourth tube sheet is located on a side of the second tube sheet away from the first tube sheet.

[0043] In some embodiments, the anti-drop mechanism includes two, one of which supports the third pipe segment and the other supports the fourth pipe segment.

[0044] In some embodiments, the toggle mechanism includes two, one of which toggles the first tube segment, and pushes the third tube segment to connect with one circumferential side of the fifth tube segment through the first tube segment; the other toggle mechanism toggles the second tube segment, and pushes the fourth tube segment to connect with the other circumferential side of the fifth tube segment through the second tube segment.

[0045] In some embodiments, the third tube segment, the fourth tube segment and the fifth tube segment are all constructed to be arc-shaped, the circumferential end surface of the first tube segment and the circumferential end surface of the second tube segment form a planar fit with the sixth tube segment, and the other two interconnected tube segments form a concave-convex fit.

[0046] In some embodiments, the first tube segment, the second tube segment, the third tube segment, the fourth tube segment, the fifth tube segment and the sixth tube segment are all constructed to be arc-shaped, and one axial end portion is constructed to be convex, and the other axial end portion is constructed to be concave; two adjacent rings of tube segments form a concave-convex fit.

[0047] The assembly ring provided by the above technical solution is suitable for scenarios where six segments or any other number of segments form a complete ring. During the process of assembling the segments into a complete ring, it plays a role in assisting in separating, supporting, and moving the segments, so that the assembly machine no longer needs to drive the segments to rotate or tilt them back and forth, thereby greatly simplifying the assembly process. Moreover, after the complete ring is assembled, the assembly ring, driven by the propulsion cylinder, pushes the assembled complete ring as a whole to move closer to the previous ring, and the action process is simple. The above technical solution requires a small number of segments, which greatly improves the efficiency of assembling the segments into a complete ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0048] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0049] Figure 1 A schematic structural diagram of a ring of segments provided in an embodiment of the present invention.

[0050] Figure 2 A schematic diagram of the concave-convex fit of two adjacent pipe segments provided in an embodiment of the present invention.

[0051] Figure 3 Schematic diagram of the concave-convex matching of two adjacent rings provided by an embodiment of the present invention.

[0052] Figure 4 A schematic diagram of the process of assembling pipe segments into a ring according to an embodiment of the present invention.

[0053] Figure 5 This is a schematic structural diagram of the segment assembly equipment provided in an embodiment of the present invention.

[0054] Figure 6 A three-dimensional schematic diagram of an assembly ring provided in an embodiment of the present invention.

[0055] Figure 7 A three-dimensional schematic diagram of the support mechanism of the assembly ring provided in an embodiment of the present invention.

[0056] Figure 8 A three-dimensional schematic diagram of the releasing mechanism of the assembly ring provided in an embodiment of the present invention.

[0057] Figure 9 A three-dimensional schematic diagram of the toggle mechanism of the assembly ring provided in an embodiment of the present invention.

[0058] Figure 10 A schematic flow chart of a segment assembly method according to an embodiment of the present invention.

[0059] Reference numerals:

[0060] 100, assembly ring; 200, thrust cylinder; 300, assembly machine; 80, segment ring;

[0061] 1. Ring body; 2. Support mechanism; 3. Anti-drop mechanism; 4. Toggle mechanism;

[0062] 21. Support block; 22. First driving part; 23. First ear seat; 24. Second ear seat;

[0063] 31. Second driving unit; 32. Stop lever; 33. Third ear seat; 34. Fourth ear seat; 35. U-shaped seat;

[0064] 41. Sliding component; 42. Pushing component;

[0065] 411. Slide rail; 412. Slide block; 413. Third driving part; 414. Fifth ear seat;

[0066] 421. Pushing piece; 422. Fourth driving part.

[0067] 81. First segment; 82. Second segment; 83. Third segment; 84. Fourth segment; 85. Fifth segment; 86. Sixth segment. Specific implementation mode

[0068] The following combines Figures 1 to 10 to elaborate more detailed on the technical solution provided by the present invention.

[0069] The segment assembling device is an underground tunnel construction device, which is used to splice multiple arc-shaped segments into a ring to form one ring of the underground tunnel. Connecting multiple rings of segments together forms the tunnel. In this article, the axial direction of the assembled ring 100 is defined as the axial direction of each segment, and the circumferential positioning of the assembled ring 100 is defined as the circumferential direction of each segment.

[0070] Before introducing the assembled ring 100 provided by the embodiment of the present invention, first introduce the structure of the segment. Refer to Figure 1 . Figure 2 and Figure 3 , one ring of segments includes multiple segments. In the embodiment of the present invention, taking one segment ring 80 including six segments as an example, they are respectively denoted as: First segment 81, Second segment 82, Third segment 83, Fourth segment 84, Fifth segment 85 and Sixth segment 86.

[0071] Define the first to sixth segments according to the assembling order. The first segment 81 is assembled first, followed by the second segment 82, the third segment 83, the fourth segment 84, the fifth segment 85, and finally the sixth segment 86.

[0072] Refer to Figure 2 . Figure 3 , the six segments jointly form a complete ring.

[0073] The installation steps of each segment will be introduced in detail later. Here, a brief introduction is given first to facilitate the description of the function of the assembly ring 100. When installing each segment, the first segment 81 is installed first, and then the second segment 82 is installed. The first segment 81 and the second segment 82 are symmetrically arranged with respect to the vertical line. Then the third segment 83 is installed. The third segment 83 is adjacent to the first segment 81 and away from the second segment 82. Subsequently, the fourth segment 84 is installed. The fourth segment 84 is adjacent to the second segment 82 and away from the first segment 81. Subsequently, the fifth segment 85 is installed. The fifth segment 85 is located between the third segment 83 and the second segment 82. Finally, the sixth segment 86 is installed. The sixth segment 86 is located between the first segment 81 and the second segment 82.

[0074] After the assembly is completed, starting from the first segment 81 and looking clockwise, the arrangement order of the six segments is as follows: the first segment 81, the sixth segment 86, the second segment 82, the fourth segment 84, the fifth segment 85, and the third segment 83. See Figure 4 the last ring shown in

[0075] See Figure 5 , the embodiment of the present invention provides a segment assembly device, including a propulsion cylinder 200 and the assembly ring 100 provided by any technical solution of the present invention. The annular body 1 of the assembly ring 100 is installed on the propulsion cylinder 200.

[0076] The following introduces the specific implementation manner of the assembly ring 100.

[0077] The embodiment of the present invention provides an assembly ring 100. The assembly ring 100 is used for a segment assembly device. Specifically, the assembly ring 100 is installed on each propulsion cylinder 2 of the segment assembly device. Each propulsion cylinder 200 pushes the segments of the current ring assembled into a complete ring to be connected with the segments of the previous ring through the assembly ring 100. During the process of assembling multiple segments into a complete ring, the assembly ring 100 plays a role in supporting and shifting. It is not necessary to use the propulsion cylinder 200, which enables multiple segments to be quickly assembled into a complete ring. The propulsion cylinder 200 only needs to push the complete ring as a whole after it is assembled into a complete ring to realize the connection between the segments of the current ring and the segments of the previous ring.

[0078] See Figure 6 , the assembly ring 100 includes an annular body 1 and a support mechanism 2. In some embodiments, the assembly ring 100 may further include a falling prevention mechanism 3 and a shifting mechanism 4.

[0079] The annular body 1 is configured to be annular. The annular body 1 is used to connect with the propulsion cylinder 200. During the process of assembling multiple segments into a complete ring, the relative positions of the annular body 1 and the propulsion cylinder 200 remain unchanged. The propulsion cylinder 200 does not expand or contract itself, the annular body 1 does not rotate circumferentially around itself, nor does it move in its axial direction.

[0080] The support mechanism 2 is mounted on the bottom of the annular body 1 and is configured to provide support for the pre-installed first and second segments 81, 82 during assembly. The support mechanism 2 supports the initially installed first and second segments 81, 82, separating them. This ensures that the end surfaces M1 and M2 of the first and second segments 81, 82 do not touch, thereby preventing interference with the subsequent installation of the sixth segment 86.

[0081] See also Figure 7 In some embodiments, the support mechanism 2 includes a support block 21 and a first driving portion 22 .

[0082] The support block 21 is rotatably mounted on the annular body 1. The support block 21 is a plate-like structure that can be bent to accommodate the structure of the annular body 1. Specifically, one end of the support block 21 is rotatably mounted on the annular body 1 via a first lug 23. A second lug 24 is secured to the inner arc surface of the annular body 1 and can be welded, riveted, or bolted. There are two first lugs 23, each secured by a pin extending through a through hole at one end of the support block 21. The two ends of the pin are mounted on the two second lugs 24.

[0083] The support block 21 is located between the first tube segment 81 and the second tube segment 82 to prevent the first tube segment 81 and the second tube segment 82 from contacting each other, so that the first tube segment 81 and the second tube segment 82 maintain a set distance. The support block 21 abuts against the end surfaces of the first tube segment 81 and the second tube segment 82 facing each other, such as Figure 4 At the positions indicated by the midpoints M1 and M2 , the side surface M1 ′ of the support block 21 abuts against the end surface M1 of the first tube segment 81 , and the side surface M2 ′ of the support block 21 abuts against the end surface M2 of the second tube segment 82 .

[0084] The first driving part 22 is connected to the support block 21 to drive the support block 21 to switch between the retracted position and the supporting position. When the support block 21 is in the retracted position, the support block 21 is away from the first pipe segment 81 and the second pipe segment 82 to be assembled. Figure 7 When the support block 21 is in the supporting position, the support block 21 abuts against one circumferential end of the pre-installed first tube segment 81 and the second tube segment 82. The first driving part 22 is, for example, a cylinder. The cylinder end of the first driving part 22 is hinged to the annular body 1 through the second ear seat 24, and the piston end of the first driving part 22 is hinged to the support block 21. The cylinder extends, and the support block 21 rotates to the supporting position. The support block 21 extends out of the annular body 1 along the axial direction of the annular body 1, that is, Figure 7 The oil cylinder retracts, and the support block 21 rotates to the retracted position, where the support block 21 no longer extends out of the annular body 1 in the axial direction.

[0085] See also Figure 8The anti-drop mechanism 3 is located on the side of the toggle mechanism 4 away from the support mechanism 2. The anti-drop mechanism 3 is configured to provide support for the pre-installed third and fourth tube segments 83, 84 during assembly. The anti-drop mechanism 3 supports the curved surfaces of the third and fourth tube segments 83, 84, maintaining them in their pre-installed positions.

[0086] The anti-drop mechanism 3 includes a second drive unit 31 and a blocking rod 32. The second drive unit 31 is mounted on the annular body 1. The blocking rod 32 is drivingly connected to the second drive unit 31. The blocking rod 32 is rotatably connected to the annular body 1. Driven by the second drive unit 31, the blocking rod 32 rotates to block the pre-installed third and fourth pipe segments 83 and 84.

[0087] The second drive unit 31 is specifically a cylinder. It is mounted on the axial end surface of the annular body 1. Specifically, the cylinder end of the second drive unit 31 is hinged to the annular body 1 via a third lug 33, and the piston end of the second drive unit 31 is hinged to one axial end of the blocking rod 32.

[0088] The blocking rod 32 is rotatably mounted on the inner annular surface of the annular body 1. Specifically, the middle position of the blocking rod 32 is rotatably connected to the annular body 1, specifically hinged through the fourth ear seat 34. The U-shaped seat 35 is fixed by the fourth ear seat 34, and the blocking rod 32 passes through the U-shaped seat 35.

[0089] See also Figure 6 In some embodiments, there are two anti-drop mechanisms 3, which are symmetrically arranged relative to the support mechanism 2. One of the anti-drop mechanisms 3 is configured to block the pre-installed third pipe segment 83, and the other anti-drop mechanism 3 is configured to block the pre-installed fourth pipe segment 84.

[0090] See also Figure 9 The toggle mechanism 4 is located near the support mechanism 2. The toggle mechanism 4 includes a sliding assembly 41 and a toggle assembly 42. The sliding assembly 41 is slidably mounted on the annular body 1; the toggle assembly 42 is mounted on the sliding assembly 41 to move with the movement of the sliding assembly 41. The toggle mechanism 4 is configured to toggle the pre-installed first and second tube segments 81, 82, so that the third and fourth tube segments 83, 84 are connected to the fifth tube segment 85, thereby providing space for the installation of the sixth tube segment 86.

[0091] See also Figure 9 The sliding assembly 41 of the toggle mechanism 4 includes a slide rail 411, a slider 412, and a third driving portion 413. The slide rail 411 is mounted on the inner annular surface of the annular body 1. The slider 412 is slidably mounted on the slide rail 411. The third driving portion 413 is drivingly connected to the slider 412 to drive the slider 412 to move relative to the slide rail 411.

[0092] The shape of the slide rail 411 can match the shape of the inner arc surface of the annular body 1 so that the slide rail 411 and the annular body 1 form surface-to-surface contact, which has a strong load-bearing capacity.

[0093] The slider 412 surrounds the slide rail 411 in a semi-enclosed manner, so that the slider 412 is not easily separated from the slide rail 411, and the movement of the slider 412 is more stable.

[0094] The third drive unit 413 is specifically a hydraulic cylinder. Due to the large size and weight of the segments, two third drive units 413 are provided, and together they drive the slider 412 relative to the slide rail 411. The cylinder end of the third drive unit 413 is mounted to the inner curved surface of the annular body 1 via a fifth lug 414. The piston end of the third drive unit 413 is hingedly connected to the slider 412, and the expansion and contraction of the piston of the third drive unit 413 drives the slider 412 relative to the slide rail 411.

[0095] Continue to see Figure 9 The toggle assembly 42 of the toggle mechanism 4 includes a toggle member 421 and a fourth drive unit 422. The toggle member 421 is rotatably mounted on the slider 412. One end of the fourth drive unit 422 is mounted on the slider 412, and the other end of the fourth drive unit 422 is drivingly connected to the toggle member 421. The fourth drive unit 422 is configured to rotate the toggle member 421, so that the toggle member 421 switches between a toggle position and a retracted position.

[0096] The toggle member 421 and the fourth drive unit 422 are integrally mounted on the slider 412 and move synchronously with the slider 412. The toggle member 421 is a relatively long flat plate. One end of the plate is rotatably connected to the slider 412, and the other end is inserted into the slot of the corresponding segment to push the first segment 81 and the second segment 82 to move, providing sufficient installation space for the sixth segment 86.

[0097] In some embodiments, there are two toggle mechanisms 4, which are symmetrically arranged relative to the support mechanism 2. One of the toggle mechanisms 4 is configured to toggle the first tube segment 81 and the third tube segment 83. The first tube segment 81 and the third tube segment 83 are each provided with a slot for receiving the toggle member 421, thereby facilitating the toggle member 421 to apply force thereto. The other toggle mechanism 4 is configured to toggle the second tube segment 82 and the fourth tube segment 84.

[0098] See also Figure 10 The present invention further provides a segment assembly method, which is implemented with the assistance of the assembly ring 100 described above. The segment assembly method includes the following steps:

[0099] Step S100: Adjust the support mechanism 2 of the assembling ring 100 to a supporting position.

[0100] Step S200 : Using the assembling machine 300 to install the first pipe segment 81 and the second pipe segment 82 , the first pipe segment 81 and the second pipe segment 82 are both supported by the supporting mechanism 2 .

[0101] In the above step S200 , in some embodiments, the first tube sheet 81 and the second tube sheet 82 are symmetrically arranged relative to the support mechanism 2 .

[0102] Step S300: Use the assembling machine 300 to install the third pipe segment 83 and the fourth pipe segment 84, and switch the anti-drop mechanism 3 of the assembling ring 100 to the supporting position to prevent the third pipe segment 83 and the fourth pipe segment 84 from falling.

[0103] In the above step S300 , the third tube segment 83 is located on a side of the first tube segment 81 away from the second tube segment 82 ; and the fourth tube segment 84 is located on a side of the second tube segment 82 away from the first tube segment 81 .

[0104] The anti-falling mechanism 3 includes two, one of which supports the third pipe segment 83 and the other supports the fourth pipe segment 84 .

[0105] Step S400 , using the assembling machine 300 to install the fifth pipe segment 85 , and using the assembling machine 300 to support the fifth pipe segment 85 ; the fifth pipe segment 85 is located between the third pipe segment 83 and the fourth pipe segment 84 .

[0106] In step S500 , the first tube segment 81 and the second tube segment 82 are moved by the moving mechanism 4 of the assembly ring 100 to push the third tube segment 83 and the fourth tube segment 84 to connect with the fifth tube segment 85 .

[0107] In the above-mentioned step S500, the toggle mechanism 4 includes two, one of which toggle mechanism 4 toggles the first tube segment 81, and pushes the third tube segment 83 to connect with one circumferential side of the fifth tube segment 85 through the first tube segment 81; the other toggle mechanism 4 toggles the second tube segment 82, and pushes the fourth tube segment 84 to connect with the other circumferential side of the fifth tube segment 85 through the second tube segment 82.

[0108] Step S600: Recover the support mechanism 2 of the assembly ring 100 and use a crane to install the sixth pipe segment 86. At this point, the first pipe segment 81, the second pipe segment 82, the third pipe segment 83, the fourth pipe segment 84, the fifth pipe segment 85 and the sixth pipe segment 86 are assembled into a complete ring.

[0109] A complete ring consists of only six segments. This block structure reduces the number of segments and effectively reduces assembly time. Furthermore, there is no need to rotate or tilt the segments during assembly, allowing for a simpler grab head structure for the segment assembly equipment. Each segment can be designed to be thin, and this, combined with its fast assembly speed, allows for rapid initial support in mountain tunnels, addressing the challenges of large support volumes and slow support times encountered by open TBMs in poor geology.

[0110] Step S700: Return the segment erector 300 to its home position, retract the anti-drop mechanism 3 of the segment assembly ring 100, and retract the toggling mechanism 4.

[0111] Step S800: Use the propulsion cylinders 200 to push the integral ring to connect with the previous ring of segments.

[0112] The segment erection equipment includes multiple propulsion cylinders 200, and these propulsion cylinders 200 are evenly arranged along the circumferential direction to form a ring. All the propulsion cylinders 200 are connected to the segment assembly ring 100.

[0113] After the first segment 81 to the sixth segment 86 are assembled into a ring, all the propulsion cylinders 200 extend simultaneously to push the segment assembly ring 100, and the segment assembly ring 100 is pushed to connect with the previous ring of segments, and continue to push to start the next tunneling stroke. After the propulsion cylinders 200 push the segment assembly ring 100 to complete a tunneling stroke, the propulsion cylinders 200 drive the segment assembly ring 100 to retract, leaving a space between the segment assembly ring 100 and the previous ring of segments, and start assembling the next ring of segments.

[0114] Specifically, the first segment 81, the second segment 82, the third segment 83, the fourth segment 84, the fifth segment 85, and the sixth segment 86 are all configured to be arc-shaped. The circumferential end faces M1 of the first segment 81, the circumferential end face M2 of the second segment 82, and the two circumferential end faces of the sixth segment 86 are flat; the other circumferential end faces form a concave-convex fit.

[0115] Specifically, the first segment 81, the second segment 82, the third segment 83, the fourth segment 84, the fifth segment 85, and the sixth segment 86 are all configured to be arc-shaped, and one of the axial ends is configured to be convex, and the other axial end is configured to be concave; adjacent rings of segments form a concave-convex fit.

[0116] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "transverse", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be construed as a limitation on the protection scope of the present invention.

[0117] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features, but these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A segment assembly method, characterized in that: The following steps are involved: Adjusting the support mechanism (2) of the assembly ring (100) to a supporting position; The first pipe segment (81) and the second pipe segment (82) are installed using an assembling machine (300), wherein the first pipe segment (81) and the second pipe segment (82) are both supported by the supporting mechanism (2); Using an assembling machine (300) to install the third pipe segment (83) and the fourth pipe segment (84), the anti-drop mechanism (3) of the assembling ring (100) is switched to a supporting position to prevent the third pipe segment (83) and the fourth pipe segment (84) from falling; The fifth pipe segment (85) is installed using the assembling machine (300), and the fifth pipe segment (85) is supported by the assembling machine (300); the fifth pipe segment (85) is located between the third pipe segment (83) and the fourth pipe segment (84); The first pipe segment (81) and the second pipe segment (82) are moved by the shifting mechanism (4) of the assembling machine (300) to push the third pipe segment (83) and the fourth pipe segment (84) to connect with the fifth pipe segment (85); Recover the support mechanism (2) of the assembly ring (100), and use a crane to install the sixth pipe segment (86), so that the first pipe segment (81), the second pipe segment (82), the third pipe segment (83), the fourth pipe segment (84), the fifth pipe segment (85), and the sixth pipe segment (86) are assembled into a complete ring; Returning the assembling machine (300) to its original position, retracting the anti-drop mechanism (3) of the assembling machine (300), and retracting the toggle mechanism (4); A propulsion cylinder (200) is used to push the entire ring to connect with the previous ring of segments.

2. The segment assembly method according to claim 1, characterized in that: The first tube sheet (81) and the second tube sheet (82) are symmetrically arranged relative to the support mechanism (2).

3. The segment assembly method according to claim 1, characterized in that: The third tube sheet (83) is located on a side of the first tube sheet (81) away from the second tube sheet (82); and the fourth tube sheet (84) is located on a side of the second tube sheet (82) away from the first tube sheet (81).

4. The segment assembly method according to claim 1, characterized in that: The anti-falling mechanism (3) comprises two, one of which supports the third pipe segment (83) and the other supports the fourth pipe segment (84).

5. The segment assembly method according to claim 1, characterized in that: The toggle mechanism (4) includes two toggle mechanisms (4), one of which toggle mechanisms (4) toggle the first tube segment (81), and push the third tube segment (83) to connect with one circumferential side of the fifth tube segment (85) through the first tube segment (81); and the other toggle mechanism (4) toggle the second tube segment (82), and push the fourth tube segment (84) to connect with the other circumferential side of the fifth tube segment (85) through the second tube segment (82).

6. The segment assembly method according to claim 1, characterized in that: The third tube segment (83), the fourth tube segment (84) and the fifth tube segment (85) are all constructed in an arc shape. The circumferential end surface (M1) of the first tube segment (81), the circumferential end surface (M2) of the second tube segment (82) and the sixth tube segment (86) form a plane fit, and the other two tube segments connected to each other form a concave-convex fit.

7. The segment assembly method according to claim 1, characterized in that: The first tube segment (81), the second tube segment (82), the third tube segment (83), the fourth tube segment (84), the fifth tube segment (85) and the sixth tube segment (86) are all constructed to be arc-shaped, and one of the axial ends is constructed to be convex, and the other axial end is constructed to be concave; two adjacent rings of tube segments form a concave-convex fit.

8. The segment assembly method according to claim 1, characterized in that: The assembly ring (100) is used for segment assembly equipment, and the assembly ring (100) comprises: an annular body (1) configured in an annular shape; and A support mechanism (2) is installed at the bottom of the annular body (1); the support mechanism (2) is configured to provide support for the pre-installed first pipe segment (81) and the second pipe segment (82) during the assembly process.

9. The segment assembly method according to claim 8, characterized in that: The assembly ring (100) further includes: The anti-drop mechanism (3) is located on a side of the toggle mechanism (4) away from the support mechanism (2); the anti-drop mechanism (3) is configured to provide support for the pre-installed third pipe segment (83) and the fourth pipe segment (84) during the assembly process.

10. The segment assembly method according to claim 9, characterized in that: The toggle mechanism (4) is located near the support mechanism (2); the toggle mechanism (4) includes a sliding assembly (41) and a toggle assembly (42); the sliding assembly (41) is slidably mounted on the annular body (1); the toggle assembly (42) is mounted on the sliding assembly (41) to move along with the movement of the sliding assembly (41); the toggle mechanism (4) is configured to toggle the pre-installed first pipe segment (81), second pipe segment (82), third pipe segment (83), fourth pipe segment (84) and fifth pipe segment (85) to a target position, thereby providing space for the installation of the sixth pipe segment (86).

11. The segment assembly method according to claim 10, characterized in that: The supporting mechanism (2) comprises: a support block (21) rotatably mounted on the annular body (1); and The first driving portion (22) is connected to the support block (21) for driving the support block (21) to switch between a retracted position and a support position; wherein, when the support block (21) is in the retracted position, the support block (21) is away from the first pipe segment (81) and the second pipe segment (82) to be assembled; and when the support block (21) is in the support position, the support block (21) abuts against one circumferential end of the pre-installed first pipe segment (81) and the second pipe segment (82).

12. The segment assembly method according to claim 10, characterized in that: The anti-drop mechanism (3) comprises: A second driving portion (31) is mounted on the annular body (1); and A blocking rod (32) is rotatably connected to the second driving portion (31); the blocking rod (32) is rotatably connected to the annular body (1) so as to rotate under the drive of the second driving portion (31) to block the pre-installed third pipe segment (83) and the fourth pipe segment (84).

13. The segment assembly method according to claim 12, characterized in that: The blocking rod (32) is rotatably mounted on the inner annular surface of the annular body (1), and the second driving portion (31) is mounted on the axial end surface of the annular body (1).

14. The segment assembly method according to claim 13, characterized in that: The number of the anti-drop mechanisms (3) is two, and the two anti-drop mechanisms (3) are symmetrically arranged relative to the support mechanism (2); one of the anti-drop mechanisms (3) is configured to block the pre-installed third pipe segment (83), and the other anti-drop mechanism (3) is configured to block the pre-installed fourth pipe segment (84).

15. The segment assembly method according to claim 11, characterized in that: The sliding assembly (41) of the toggle mechanism (4) comprises: A slide rail (411) is mounted on the inner annular surface of the annular body (1); a slider (412) slidably mounted on the slide rail (411); and The third driving portion (413) is drivingly connected to the slider (412) to drive the slider (412) to move relative to the slide rail (411).

16. The segment assembly method according to claim 15, characterized in that: The toggle assembly (42) of the toggle mechanism (4) comprises: A toggle member (421) is rotatably mounted on the slider (412); and A fourth driving portion (422) has one end mounted on the slider (412) and the other end drivingly connected to the toggle member (421); the fourth driving portion (422) is configured to drive the toggle member (421) to rotate, so that the toggle member (421) switches between a toggle position and a retracted position.

17. The segment assembly method according to claim 10, characterized in that: There are two toggle mechanisms (4), and the two toggle mechanisms (4) are symmetrically arranged relative to the support mechanism (2); one of the toggle mechanisms (4) is configured to toggle the first tube segment (81) and the third tube segment (83), and the other toggle mechanism (4) is configured to toggle the second tube segment (82) and the fourth tube segment (84).

18. The segment assembly method according to claim 10, characterized in that: The segment assembly equipment comprises a propulsion cylinder (200) and the assembly ring (100), wherein the annular body (1) of the assembly ring (100) is mounted on the propulsion cylinder (200).

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