Shield tunneling machine suitable for tunnel construction of various duct piece outer diameters

Abstract

The invention discloses a shield tunneling machine suitable for tunnel construction of various duct piece outer diameters, which comprises a main drive mounting rack, an H-shaped beam, a shield body and a partition plate, the shield body comprises a plurality of sub-blocks, the sub-blocks comprise a front sub-block and a middle sub-block which are arranged along the axial direction of the shield body, the front sub-block is separably connected with the main drive mounting rack, the middle sub-block is detachably connected with the H-shaped beam, and the middle sub-block is detachably connected with the H-shaped beam. The middle partition block is connected with the H-shaped beam in a separable mode. The partition plates are separably arranged between every two adjacent sub-blocks, and the number of the partition plates in the circumferential direction of the shield body is at least one. According to the shield tunneling machine, the diameter of the shield body is flexibly adjusted by changing the number of the partition plates, the shield tunneling machine is suitable for tunnel construction of various duct piece outer diameters, the application range of the shield tunneling machine is widened, and the requirement for replacing or transforming equipment due to diameter mismatching is reduced. And a complicated reducing module does not need to be additionally arranged, so that the manufacturing cost is reduced, the manufacturing period is shortened, the downtime in construction can be shortened, and the propulsion efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of shield machines, in particular to a shield machine suitable for tunnel construction with various segment outer diameters. Background Art

[0002] At present, the outer diameter of the lining segments in the domestic tunnel shield construction is diverse, and the existing shield machines with a single outer diameter adaptation have a need for diameter change when dealing with tunnel construction of different diameters. However, the existing shield diameter change technology has many blocks and complex structure, and a large number of new parts need to be manufactured during the diameter change process, such as the variable diameter shield machine technology shown in the authorization announcement number CN113638740A, in which the center block and the variable diameter module form a cylindrical cylinder through a circumferential connecting plate, and the diameter change requires a new module. In addition, this technology has problems such as limited diameter change range, complex connection structure, inappropriate component position (such as the position of the screw machine slag inlet is too high, the position of the soil bin door is too low, etc.), difficulty in adjusting the position of the propulsion cylinder when changing the diameter, large deviation between the center of the propulsion cylinder and the center of the segment, long manufacturing cycle and high cost of the newly added variable diameter module, which affect the applicability and efficiency of the shield machine in the construction of tunnels of different diameters. Summary of the invention

[0003] The present invention aims to solve one of the technical problems in the related art at least to a certain extent.

[0004] To this end, an embodiment of the present invention provides a shield machine suitable for tunnel construction with various segment outer diameters.

[0005] The shield machine suitable for the construction of tunnels with various segment outer diameters according to the embodiment of the present invention includes a main drive mounting frame, an H-shaped beam, a shield body and a partition plate. The shield body includes a plurality of blocks, and the plurality of blocks are arranged at intervals along the circumference of the shield body. The blocks include a front block and a middle block arranged along the axial direction of the shield body. The front block is detachably connected to the main drive mounting frame, and the middle block is detachably connected to the H-shaped beam. The partition plate is detachably arranged between two adjacent blocks, and the number of the partition plates in the circumferential direction of the shield body is at least one.

[0006] In some embodiments, first flanges are provided on both sides of the front block, a first through hole is provided on the partition plate, and the first flanges of two adjacent front blocks are connected by a first bolt passing through the first through hole.

[0007] In some embodiments, the main drive mounting frame includes a support ring and a first connecting plate, the support ring is coaxially arranged with the shield body, the first connecting plate surrounds the outer circumferential surface of the support ring along the circumference of the support ring, the first connecting plate extends radially along the shield body, and a second connecting plate extending radially along the shield body is provided on the inner wall surface of the front block, and the second connecting plate is detachably connected to the first connecting plate.

[0008] In some embodiments, the first connecting plate is provided with a plurality of first connecting holes, the plurality of first connecting holes are divided into a plurality of hole groups, the plurality of hole groups are arranged at radial intervals along the shield body, the hole groups include a plurality of first connecting holes arranged at circumferential intervals along the shield body, the second connecting plate is provided with a plurality of second connecting holes arranged at circumferential intervals along the shield body, and the first connecting plate and the second connecting plate are connected by second bolts passing through the first connecting holes and the second connecting holes.

[0009] In some embodiments, a first pin hole is provided on the first connecting plate, and a second pin hole is provided on the second connecting plate. The first pin hole and the second pin hole are connected by a pin. An annular sealing ring installation groove is provided on the end surface of the first connecting plate adjacent to the second connecting plate, and an annular sealing ring is provided in the sealing ring installation groove.

[0010] In some embodiments, a boss is provided on the outer peripheral surface of the support ring, and the boss is used to be welded to the partition plate.

[0011] In some embodiments, a second flange is provided on the inner wall of the middle block, a third flange is provided on the H-shaped beam, at least one adjustment plate is provided between the second flange and the third flange, a second through hole is provided on the adjustment plate, and the second flange and the third flange are connected by a second bolt passing through the second through hole.

[0012] In some embodiments, the shield machine suitable for the construction of tunnels with various segment outer diameters according to the embodiments of the present invention further includes a thrust cylinder, a mounting base and an adjustment support, wherein the mounting base and the adjustment support are arranged on the middle block at intervals along the axial direction of the shield body, and the mounting base is arranged adjacent to the front block, and each of the mounting base and the adjustment support is adjustable in radial position along the shield body, one end of the thrust cylinder is connected to the mounting base, and the middle part of the thrust cylinder is connected to the adjustment support.

[0013] In some embodiments, the middle block is provided with a first mounting plate and a second mounting plate which are spaced apart in the radial direction of the shield body, the first mounting plate is provided with a first clamping member, and the radial position of the first clamping member along the shield body is adjustable, the second mounting plate is provided with a second clamping member, and the radial position of the second clamping member along the shield body is adjustable, the mounting base is clamped between the first clamping member and the second clamping member, and the middle block is also provided with a third mounting plate, the third mounting plate is provided with a push member, and the radial position of the push member along the shield body is adjustable, and the top end of the push member stops on the adjustment support.

[0014] In some embodiments, the shield body includes four blocks, which are an upper block, a lower block, a left block and a right block. The upper block is provided with a human cabin transition cabin, and the lower block is provided with a screw machine mounting seat.

[0015] The shield machine of the embodiment of the present invention flexibly adjusts the diameter of the shield body by changing the number of partition plates, and is applicable to the construction of tunnels with various outer diameters of the segments, thereby increasing the scope of application of the shield machine and reducing the need to replace or modify equipment due to diameter mismatch. Compared with the traditional diameter-changing technology that requires the manufacture of a large number of new parts, the shield machine of the embodiment of the present invention only needs to adjust the number of partition plates, without the need to add complex diameter-changing modules, thereby reducing manufacturing costs and manufacturing cycles. Since the shield machine can quickly adapt to tunnels of different diameters, it can reduce downtime during construction and improve propulsion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a cross-sectional view of a shield machine according to an embodiment of the present invention.

[0017] Figure 2 It is a schematic diagram of the installation of the main drive mounting frame of the shield machine according to an embodiment of the present invention.

[0018] Figure 3 It is a schematic diagram of the installation and decomposition of the main drive mounting frame of the shield machine according to an embodiment of the present invention.

[0019] Figure 4 It is a partial schematic diagram of a shield machine according to an embodiment of the present invention.

[0020] Figure 5 It is a partial cross-sectional view of a shield machine according to an embodiment of the present invention.

[0021] Figure 6 It is a partial cross-sectional view of a shield machine according to an embodiment of the present invention.

[0022] Figure 7 It is a schematic diagram of the installation of the H-beam of the shield machine according to an embodiment of the present invention.

[0023] Figure 8 It is a schematic diagram of the installation and decomposition of the H-beam of the shield machine according to an embodiment of the present invention.

[0024] Fig. 9 It is a partial cross-sectional view of a shield machine according to an embodiment of the present invention.

[0025] Reference numerals:

[0026] 1. Main drive mounting frame; 101. Support ring; 102. First connecting plate; 1021. First connecting hole; 1022. First pin hole; 1023. Sealing ring mounting groove; 103. Boss; 2. H-beam; 3. Shield body; 301. Block; 3011. Front block; 3012. Middle block; 4. Partition plate; 5. First flange; 6. First bolt; 7. Second connecting plate; 701. Second connecting hole; 702. Second pin hole; 8. Second bolt; 9. Annular sealing ring; 10. Second flange; 11. Third flange; 12. Adjustment plate; 13. Propulsion cylinder; 14. Mounting base; 15. Adjustment support; 16. First mounting plate; 17. Second mounting plate; 18. First clamping member; 19. Second clamping member; 20. Third mounting plate; 21. Pushing member. DETAILED DESCRIPTION

[0027] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0028] like Figures 1 to 9 As shown, the shield machine of the embodiment of the present invention includes a main drive mounting frame 1, an H-shaped beam 2, a shield body 3 and a partition plate 4. The shield body 3 includes a plurality of blocks 301, and the plurality of blocks 301 are arranged at intervals along the circumference of the shield body 3. The blocks 301 include a front block 3011 and a middle block 3012 arranged along the axial direction of the shield body 3, the front block 3011 is detachably connected to the main drive mounting frame 1, and the middle block 3012 is detachably connected to the H-shaped beam 2. The partition plate 4 is detachably arranged between two adjacent blocks 301, and the number of the partition plates 4 in the circumferential direction of the shield body 3 is at least one.

[0029] Since the front block 3011 is detachably connected to the main drive mounting frame 1, and the middle block 3012 is detachably connected to the H-shaped beam 2, when the diameter of the shield body 3 needs to be increased, the diameter of the shield body 3 is increased by increasing the number of partition plates 4. When the diameter of the shield body 3 needs to be reduced, the diameter of the shield body 3 is reduced by reducing the number of partition plates 4.

[0030] The shield machine of the embodiment of the present invention flexibly adjusts the diameter of the shield body 3 by changing the number of partition plates 4, and is applicable to the construction of tunnels with various outer diameters of segments, thereby increasing the scope of application of the shield machine and reducing the need to replace or modify equipment due to diameter mismatch. Compared with the traditional diameter-changing technology that requires the manufacture of a large number of new components, the shield machine of the embodiment of the present invention only needs to adjust the number of partition plates 4, without the need to add complex diameter-changing modules, thereby reducing manufacturing costs and manufacturing cycles. Since the shield machine can quickly adapt to tunnels of different diameters, it can reduce downtime during construction and improve propulsion efficiency.

[0031] In some embodiments, first flanges 5 are provided on both sides of the front block 3011, a first through hole is provided on the partition plate 4, and the first flanges 5 of two adjacent front blocks 3011 are connected by first bolts 6 passing through the first through holes.

[0032] The shield machine of the embodiment of the present invention is provided with a first flange 5 on both sides of the front block 3011, and a first through hole is opened on the partition plate 4, so that two adjacent blocks 301 can be firmly connected together by the first bolt 6, thereby improving the connection stability between the blocks 301. This design makes the connection process between the blocks 301 simpler. The connection of the blocks 301 can be completed by passing the bolts through the through holes and fixing them, which is convenient for rapid assembly and disassembly. Due to the standardization of the flange and bolt connection, the interchangeability between the blocks 301 is improved, and maintenance and replacement are convenient. When the diameter of the shield body 3 needs to be adjusted, it can be quickly achieved by increasing or reducing the number of partition plates 4. This flexibility is very beneficial for adapting to tunnel construction of different sizes. The setting of the flange helps to disperse the stress at the connection, reduce stress concentration, and improve the durability of the structure. The flange structure provides a good foundation for sealing, helps to maintain internal pressure when the shield machine is working, and prevents the intrusion of soil, sand and groundwater.

[0033] In some embodiments, the main drive mounting frame 1 includes a support ring 101 and a first connecting plate 102. The support ring 101 is coaxially arranged with the shield body 3. The first connecting plate 102 surrounds the outer peripheral surface of the support ring 101 along the circumference of the support ring 101. The first connecting plate 102 extends radially along the shield body 3. The inner wall surface of the front block 3011 is provided with a second connecting plate 7 extending radially along the shield body 3. The second connecting plate 7 can be detachably connected to the first connecting plate 102.

[0034] The support ring 101 is coaxially arranged with the shield body 3, providing a stable support structure, which helps to maintain the overall stability during the construction of the shield machine. The first connecting plate 102 surrounds the circumference of the support ring 101 and extends radially along the shield body 3. It is detachably connected to the second connecting plate 7 on the inner wall of the middle block 3012. This design allows for quick and reliable connection and disconnection, which facilitates the assembly and disassembly of the shield body 3. Due to the design of the connecting plate, the assembly of the shield machine block 301 becomes more modular and faster, reducing on-site construction time and improving efficiency. The separability of the first connecting plate 102 and the second connecting plate 7 makes the shield machine more flexible in adjusting the diameter. By adding or reducing connecting plates, it can quickly adapt to pipe segments of different diameters. The structure of the first connecting plate 102 and the second connecting plate 7 helps to disperse the stress at the connection and reduce the risk of structural damage caused by stress concentration.

[0035] In some embodiments, the first connecting plate 102 is provided with a plurality of first connecting holes 1021, the plurality of first connecting holes 1021 are divided into a plurality of hole groups, the plurality of hole groups are arranged at intervals along the radial direction of the shield body 3, the hole groups include a plurality of first connecting holes 1021 arranged at intervals along the circumference of the shield body 3, the second connecting plate 7 is provided with a plurality of second connecting holes 701 arranged at intervals along the circumference of the shield body 3, the first connecting plate 102 and the second connecting plate 7 are connected by second bolts 8 passing through the first connecting holes 1021 and the second connecting holes 701.

[0036] The shield machine of the embodiment of the present invention can realize a variety of connection combinations by dividing the first connection hole 1021 into a plurality of hole groups and arranging them at intervals along the radial direction of the shield body 3, thereby increasing the diversity and adaptability of the connection of the shield body 3. The plurality of hole groups are arranged at intervals along the radial direction of the shield body 3, making the connection more precise, helping to ensure the accurate docking of the various parts of the shield body 3, and improving the stability of the overall structure. The design of the first connection hole 1021 and the second connection hole 701 allows for variable diameter adjustment by increasing or decreasing the number of the second bolts 8, so that the shield machine can quickly adapt to tunnels of different sizes.

[0037] In some embodiments, a first pin hole 1022 is provided on the first connecting plate 102, and a second pin hole 702 is provided on the second connecting plate 7. The first pin hole 1022 and the second pin hole 702 are connected by a pin. An annular sealing ring installation groove 1023 is provided on the end surface of the first connecting plate 102 adjacent to the second connecting plate 7, and an annular sealing ring 9 is provided in the sealing ring installation groove 1023.

[0038] The pins usually have high pull-out resistance and shear resistance, which provides a safer connection and prevents accidental disconnection during construction. The annular sealing ring 9 can effectively prevent soil, moisture and other construction media from entering the connection part, ensuring the sealing performance of the shield machine in the underground environment and reducing the risk of penetration and leakage. The installation of the sealing ring increases the contact pressure of the connection surface, thereby enhancing the connection stability between the first connecting plate 102 and the second connecting plate 7. The sealing ring acts as a buffer, which can reduce direct contact and friction between the connecting parts and protect the connecting structure from damage. The design of the mounting groove makes the installation and replacement of the sealing ring simpler and more convenient, and improves maintenance efficiency. The addition of the sealing ring helps to extend the service life of the connecting parts because it reduces wear and corrosion.

[0039] In other embodiments, the first connecting plate 102 is connected to the second connecting plate 7 by welding, and a sealing plate is provided on an end surface of the first connecting plate 102 away from the second connecting plate 7 , and the sealing plate is used to seal the first connecting hole 1021 and the first pin hole 1022 .

[0040] like Figure 6As shown, the welding connection provides a very strong connection method that can withstand high loads during construction and ensure the strength and durability of the connection. Through the welding connection, complex mechanical connection parts can be omitted, thereby simplifying the structural design, reducing the number of components and potential failure points. The use of the sealing plate can block the first connection hole 1021 and the first pin hole 1022 to prevent debris from entering the connection part during construction, thereby avoiding equipment failure or accidents caused by the accumulation of debris.

[0041] In some embodiments, a boss 103 is provided on the outer circumferential surface of the support ring 101 , and the boss 103 is used to be welded to the partition plate 4 .

[0042] like Figure 4 As shown, the boss 103 provides a larger welding area, making the welding between the support ring 101 and the partition plate 4 more stable and improving the overall strength of the connection. The welding connection between the boss 103 and the partition plate 4 increases the strength of the entire shield machine structure, allowing the shield machine to better withstand various loads during construction. The welding connection between the boss 103 and the partition plate 4 improves the durability of the connection part and extends the service life of the shield machine.

[0043] In some embodiments, a second flange 10 is provided on the inner wall of the middle block 3012, a third flange 11 is provided on the H-shaped beam 2, at least one adjustment plate 12 is provided between the second flange 10 and the third flange 11, a second through hole is opened on the adjustment plate 12, and the second flange 10 and the third flange 11 are connected by a second bolt 8 passing through the second through hole.

[0044] When the shield body 3 of the shield machine in the embodiment of the present invention changes its diameter, the number of adjustment plates 12 can be adaptively increased or decreased, and the space between the second flange 10 and the third flange 11 can be filled according to the size of the change in diameter of the shield body 3, thereby improving the stability of the connection, helping to maintain the structural stability of the shield machine during the advancement process, and helping to reduce the risk of loose connection or failure during construction.

[0045] In some embodiments, the shield machine of the embodiment of the present invention further includes a thrust cylinder 13, a mounting base 14 and an adjustment support 15. The mounting base 14 and the adjustment support 15 are arranged on the middle block 3012 along the axial direction of the shield body 3, and the mounting base 14 is arranged adjacent to the front block 3011. The radial position of each of the mounting base 14 and the adjustment support 15 along the shield body 3 is adjustable, one end of the thrust cylinder 13 is connected to the mounting base 14, and the middle part of the thrust cylinder 13 is connected to the adjustment support 15.

[0046] like Fig. 9As shown, the thrust cylinder 13 is installed on the block 301. When the shield body 3 changes diameter, the thrust cylinder 13 can move synchronously with the movement of the block 301, and the thrust cylinder 13 does not need to be adjusted separately, so that the shield machine of the embodiment of the present invention can be easily operated to change diameter, which is conducive to improving the efficiency of changing diameter. As shown in the figure, the shield machine of the embodiment of the present invention can flexibly adjust the installation position and angle of the thrust cylinder 13 by setting the installation base 14 and the adjustment support 15, so as to adapt to the changes of different tunnel diameters and geological conditions. The installation base 14 and the adjustment support 15 are arranged at intervals along the axial direction of the shield body 3, so that the shield machine can adjust the layout of the propulsion system according to the construction requirements, and enhance the adaptability to different construction environments. Each of them is adjustable in radial position along the shield body 3, which means that the installation position of the thrust cylinder 13 can be accurately controlled to ensure that the propulsion force is evenly distributed and improve the accuracy of construction. Since one end of the propulsion cylinder 13 is connected to the mounting base 14 and the middle part is connected to the adjustment support 15, the radial position of the propulsion cylinder 13 can be easily changed by adjusting the support 15 without moving the mounting base 14. This design reduces the adjustment time of the shield machine during construction because quick adjustments can be made without completely dismantling the propulsion system.

[0047] In some embodiments, the middle block 3012 is provided with a first mounting plate 16 and a second mounting plate 17 which are arranged at intervals in the radial direction of the shield body 3, the first mounting plate 16 is provided with a first clamping member 18, and the radial position of the first clamping member 18 along the shield body 3 is adjustable. The second mounting plate 17 is provided with a second clamping member 19, and the radial position of the second clamping member 19 along the shield body 3 is adjustable, and the mounting base 14 is clamped between the first clamping member 18 and the second clamping member 19. The middle block 3012 is also provided with a third mounting plate 20, and the third mounting plate 20 is provided with a push member 21, and the radial position of the push member 21 along the shield body 3 is adjustable, and the top end of the push member 21 stops on the adjustment support 15.

[0048] like Fig. 9 As shown, the clamps on the first mounting plate 16 and the second mounting plate 17 allow for radial position adjustment along the shield body 3, which makes the installation and positioning of the mounting base 14 very flexible and can adapt to mounting bases 14 of different sizes and shapes. Due to the adjustability of the clamps, even if the size of the mounting base 14 changes, it can be adapted by adjusting the radial position of the clamps without replacing the clamps. This design makes the installation and removal process of the mounting base 14 faster because no complicated alignment operations are required, only the position of the clamps needs to be simply adjusted. Through the clamping of the first clamp 18 and the second clamp 19, the mounting base 14 is firmly supported, which enhances the stability during the advancement of the shield machine. The adjustability of the clamps allows maintenance personnel to easily access the mounting base 14 and perform necessary inspections and repairs.

[0049] The radial position of the push piece 21 along the shield body 3 is adjustable, allowing its strength and position to be adjusted as needed during the construction process to adapt to different construction conditions. In the event of an emergency or sudden change in geological conditions, the rapid adjustment capability of the push piece 21 can help the shield machine respond quickly. The push piece 21 is compact in design and does not take up too much space, which is very important for equipment such as the shield machine with limited space.

[0050] Optionally, the first clamping member 18 is a first screw, which is threadedly connected to the first mounting plate 16. The first clamping member 18 is a second screw, which is threadedly connected to the second mounting plate 17. The pushing member 21 is a third screw, which is threadedly connected to the third mounting plate 20.

[0051] The threaded connection offers a high degree of flexibility, allowing fine-tuning during installation and removal to suit different situations. The threaded connection offers a high degree of safety and reliability, as the friction of the threaded connection prevents accidental loosening of the components. By turning the screw, the position of the clamp or push piece 21 can be easily adjusted to suit different installation requirements or geological conditions.

[0052] In some embodiments, the shield body 3 includes four blocks 301 , which are an upper block 301 , a lower block 301 , a left block 301 , and a right block 301 . The upper block 301 is provided with a human cabin transition cabin, and the lower block 301 is provided with a screw machine mounting seat.

[0053] The man-cabin transition chamber provides a safe working environment for operators, facilitating personnel entry and exit and emergency escape. The design of the transition chamber allows operators to quickly switch between the inside and outside of the shield machine, improving construction efficiency. The screw machine mounting seat provides a stable support platform for the screw machine, ensuring the smoothness and efficiency of the excavation process. The design of the screw machine mounting seat facilitates the maintenance and replacement of the screw machine, reducing downtime.

[0054] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0055] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0056] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0057] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0058] In the present invention, the terms "one embodiment", "some embodiments", "examples", "specific examples", or "some examples" etc. mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0059] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A shield machine suitable for tunnel construction with various segment outer diameters, characterized in that: include: Main drive mounting frame and H-beam; A shield body, the shield body comprising a plurality of blocks, the plurality of blocks being arranged at intervals along the circumference of the shield body, the blocks comprising a front block and a middle block arranged along the axial direction of the shield body, the front block being detachably connected to the main drive mounting frame, and the middle block being detachably connected to the H-shaped beam; A partition plate is detachably arranged between two adjacent blocks, and the number of the partition plate in the circumferential direction of the shield body is at least one.

2. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 1, characterized in that: First flanges are provided on both sides of the front block, a first through hole is provided on the partition plate, and the first flanges of two adjacent front blocks are connected by first bolts passing through the first through holes.

3. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 1, characterized in that: The main drive mounting frame includes a support ring and a first connecting plate, the support ring is coaxially arranged with the shield body, the first connecting plate surrounds the outer peripheral surface of the support ring along the circumference of the support ring, the first connecting plate extends radially along the shield body, and a second connecting plate extending radially along the shield body is provided on the inner wall surface of the front block, and the second connecting plate is detachably connected to the first connecting plate.

4. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 3, characterized in that: The first connecting plate is provided with a plurality of first connecting holes, the plurality of first connecting holes are divided into a plurality of hole groups, the plurality of hole groups are arranged at intervals in the radial direction of the shield body, the hole groups include a plurality of first connecting holes arranged at intervals in the circumferential direction of the shield body, the second connecting plate is provided with a plurality of second connecting holes arranged at intervals in the circumferential direction of the shield body, the first connecting plate and the second connecting plate are connected by second bolts passing through the first connecting holes and the second connecting holes.

5. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 4, characterized in that: The first connecting plate is provided with a first pin hole, the second connecting plate is provided with a second pin hole, the first pin hole and the second pin hole are connected by a pin, an annular sealing ring installation groove is opened on the end surface of the first connecting plate adjacent to the second connecting plate, and an annular sealing ring is provided in the sealing ring installation groove.

6. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 3, characterized in that: A boss is provided on the outer peripheral surface of the support ring, and the boss is used to be connected with the partition plate by welding.

7. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 1, characterized in that: A second flange is provided on the inner wall of the middle block, a third flange is provided on the H-shaped beam, at least one adjustment plate is provided between the second flange and the third flange, a second through hole is provided on the adjustment plate, and the second flange and the third flange are connected by a second bolt passing through the second through hole.

8. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 1, characterized in that: It also includes a propulsion cylinder, a mounting base and an adjustment support, wherein the mounting base and the adjustment support are arranged on the middle block at intervals along the axial direction of the shield body, and the mounting base is arranged adjacent to the front block, each of the mounting base and the adjustment support is adjustable in radial position along the shield body, one end of the propulsion cylinder is connected to the mounting base, and the middle part of the propulsion cylinder is connected to the adjustment support.

9. The shield machine suitable for tunnel construction with various segment outer diameters according to claim 8, characterized in that: The middle block is provided with a first mounting plate and a second mounting plate which are spaced apart in the radial direction of the shield body, the first mounting plate is provided with a first clamping member, and the first clamping member is adjustable in the radial position along the shield body, the second mounting plate is provided with a second clamping member, and the second clamping member is adjustable in the radial position along the shield body, the mounting base is clamped between the first clamping member and the second clamping member, the middle block is also provided with a third mounting plate, the third mounting plate is provided with a pushing member, and the pushing member is adjustable in the radial position along the shield body, and the top end of the pushing member stops on the adjustment support.

10. The shield machine applicable to tunnel construction with various segment outer diameters according to claim 1, characterized in that: The shield body comprises four blocks, which are an upper block, a lower block, a left block and a right block. A man-cabin transition cabin is arranged on the upper block, and a screw machine mounting seat is arranged on the lower block.

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