Temporary supporting device for tunnel boring machine and tunnel boring machine

Abstract

The invention relates to a temporary supporting device for a tunnel boring machine and the tunnel boring machine, and the temporary supporting device comprises a ceiling assembly which comprises a first ceiling and a second ceiling; the first telescopic assembly is connected between the first ceiling and the second ceiling; the second telescopic assembly is connected between the first telescopic assembly and the trolley; the first driving mechanism is used for driving the second ceiling to be far away from the first ceiling and close to the host or close to the first ceiling and far away from the host; and the second driving mechanism is used for driving the ceiling assembly to move up and down. When an operator needs to carry out supporting construction or protection, the ceiling assembly is unfolded, the empty roof space can be greatly reduced, protection is comprehensive, empty roof operation of the constructor is greatly avoided, the safety of the constructor is greatly guaranteed, and under the condition that the safety of the constructor is guaranteed, a roadway is permanently supported; and in addition, roof rock stratum caving can be prevented in a larger range, and caving rock blocks can be cleared conveniently.

Description

Technical Field

[0001] The present invention belongs to the technical field of coal mine tunneling machines, and in particular relates to a temporary support device for a tunnel boring machine and a tunnel boring machine. Background Art

[0002] After tunneling by a full-face tunnel boring machine (TBM) in a coal mine, the tunnel needs to be permanently supported using anchor nets. Construction workers usually carry out support operations behind the shield of the TBM main machine. The support area is an open-top operation and is very dangerous. Temporary safety protection facilities are required for protection before construction operations can be carried out to complete permanent support.

[0003] Existing TBM temporary support devices generally have a lifting function to prevent the top rock layer from falling. However, due to the structural limitations of the TBM, the layout area is generally located a certain distance behind the shield body, with a certain amount of empty space on the top, which cannot achieve comprehensive protection. Construction workers are still under the empty space during the construction process, and there are great safety hazards in the support process. Summary of the Invention

[0004] The present invention provides a temporary support device for a tunnel boring machine, thereby solving or at least alleviating one or more of the above-mentioned problems and other problems existing in the prior art.

[0005] A second object of the present invention is to provide a tunnel boring machine.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is: A temporary support device for a tunnel boring machine, the tunnel boring machine comprising a main machine and a trolley connected to the rear of the main machine, the temporary support device comprising: a roof assembly comprising a first roof and a second roof movable relative to the first roof in a front-rear direction of the tunnel boring machine; a first telescopic assembly connected between the first roof and the second roof, wherein the first telescopic assembly can be telescoped in a front-to-rear direction of the tunnel boring machine; a second telescopic assembly connected between the first telescopic assembly and the trolley, wherein the second telescopic assembly can be telescoped in the up-down direction; a first driving mechanism for driving the second ceiling away from the first ceiling and closer to the main unit, or closer to the first ceiling and away from the main unit; The second driving mechanism is used to drive the roof assembly to move up and down.

[0007] In the aforementioned temporary support device for a tunnel boring machine, optionally, the upper surface of the first roof is an arc-shaped surface, and the upper surface of the second roof is also an arc-shaped surface.

[0008] Optionally, a plurality of first through holes penetrating the upper and lower surfaces of the first ceiling are provided on the first ceiling; The second ceiling is provided with a plurality of second through holes penetrating the upper and lower surfaces of the second ceiling.

[0009] In the aforementioned temporary support device for a tunnel boring machine, optionally, the first ceiling includes a first ceiling part one and a first ceiling part two arranged at intervals along the front-to-back direction, a receiving space is formed between the first ceiling part one and the second ceiling part two, and the first ceiling part two is located behind the first ceiling part one.

[0010] Optionally, the first roof portion includes a plurality of first arc-shaped blocks, and the plurality of first arc-shaped blocks are detachably connected in sequence along the front-to-back direction; The first roof part 2 includes a plurality of second arc-shaped blocks, and the plurality of second arc-shaped blocks are detachably connected in sequence along the front-to-back direction.

[0011] Optionally, the roof assembly has at least a first working position. When the roof assembly is in the first working position, the second roof is away from the first roof and close to the main unit, and the front end of the second roof can overlap the main unit. The ceiling assembly also has a second working position. When the ceiling assembly is in the second working position, the second ceiling is close to the first ceiling and away from the main unit, and the second ceiling can cover the accommodating space.

[0012] Optionally, the second ceiling is located above the first ceiling.

[0013] In the aforementioned temporary support device for a tunnel boring machine, optionally, the first telescopic assembly and the second telescopic assembly are provided on both the left and right sides of the tunnel boring machine; The first driving mechanism and the second driving mechanism are arranged on both the left and right sides of the tunnel boring machine.

[0014] Optionally, the first telescopic assembly on each side includes a first crossbar and a second crossbar that are telescopically connected to each other in a relatively slidable manner along the front-to-back direction; The second telescopic assembly on each side includes a first vertical pole and a second vertical pole that are telescopically connected to each other in a vertical direction. The first vertical pole is connected to the trolley, the second vertical pole is connected to the first cross bar, the left and right sides of the first ceiling are connected to the first cross bar through first connecting members, and the left and right sides of the second ceiling are connected to the second cross bar through second connecting members.

[0015] Optionally, the first driving mechanism is a hydraulic cylinder or a pneumatic rod, and the first driving mechanism is rotatably connected between the first crossbar, the second vertical pole or the first ceiling and the second crossbar or the second ceiling; The second driving mechanism is a hydraulic cylinder or a pneumatic cylinder, and the second driving mechanism is rotatably connected between the first vertical pole or the trolley and the second vertical pole or the first cross bar.

[0016] Optionally, the front end of the first driving mechanism is rotatably connected to the second crossbar, and the rear end of the first driving mechanism is rotatably connected to the first crossbar; The lower end of the second driving mechanism is rotatably connected to the first vertical rod, and the upper end of the second driving mechanism is rotatably connected to the second vertical rod.

[0017] In the aforementioned temporary support device for a tunnel boring machine, optionally, the tunnel boring machine further comprises an airborne anchor drilling rig provided on the trolley, and the temporary support device is located between the main machine and the airborne anchor drilling rig.

[0018] The second technical solution adopted by the present invention is: a tunnel boring machine, including the temporary support device mentioned above.

[0019] Due to the application of the above technical solution, the present invention has the following advantages compared with the prior art: The temporary support device of the present invention is used for a tunnel boring machine. When the operator performs support operations, the roof assembly is unfolded, which can greatly reduce the empty roof space and provide comprehensive protection, thereby greatly avoiding construction workers from operating in an empty roof and greatly ensuring the safety of construction workers. While ensuring the safety of construction workers, the tunnel is permanently supported, and the top rock layer can be prevented from falling to a greater extent, which is also conducive to the cleaning of fallen rock blocks. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the embodiments of the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0021] Figure 1 A schematic structural diagram of a full-face tunnel boring machine according to an embodiment of the present invention; Figure 2 This is a schematic structural diagram of a temporary support device according to an embodiment of the present invention; Figure 3 for Figure 2 A schematic structural diagram of the cooperation between the first roof, the first telescopic assembly and the first driving mechanism of the temporary support device; Figure 4 for Figure 2 A schematic structural diagram of the cooperation between the first roof and the first crossbar of the temporary support device; Figure 5 for Figure 2 A schematic structural diagram of the second roof of the temporary support device; Figure 6 for Figure 2 Exploded view of the second crossbar of the temporary support device; Figure 7 for Figure 2 A schematic structural diagram of a second connecting member of a temporary support device; Reference numerals: 100, main engine; 200, temporary support device; 300, trolley; 400, airborne anchor drill; 500, belt conveyor; 600, slag scraper; 1. First ceiling; 1a. First ceiling part; 1b. First ceiling part 2; 2. Second ceiling; 2a. Second ceiling main body; 2b. Second ceiling connecting part; 2c. Mounting hole; 3. First telescopic assembly; 3a. First crossbar; 3b. Second crossbar; 3b1. Second crossbar main body; 3b2. Second crossbar connecting part 1; 3b3. Second crossbar connecting part 2; 4. Second telescopic assembly; 4a. First vertical pole; 4b. Second vertical pole; 5. First driving mechanism; 6. Second driving mechanism; 7. First through hole; 8. Second through hole; 9. Accommodating space; 10. First connecting member; 11. Second connecting member; 11a. Second connecting member main body; 11b. Second connecting member connecting part; 11c. Slide groove; 11d. Second connecting member bending part. DETAILED DESCRIPTION

[0022] As described in the background, existing temporary support devices for tunnel boring machines (TBMs) leave a significant amount of empty space above the roof, leaving construction workers trapped beneath it during construction. This poses a significant safety hazard. Furthermore, using tightly enclosed temporary top protection would occupy additional support space, failing to reduce the distance between the support and the permanent support. This would make permanent support construction difficult, and would also hinder the removal of rock fragments from the roof.

[0023] This application redesigns the structure of a temporary support device for a tunnel boring machine. First, a second drive mechanism is used to drive the roof assembly up and down, raising it when temporary protection is needed and lowering it when temporary protection is not needed or when fallen rock blocks need to be cleared. Second, a first drive mechanism is used to drive the second roof assembly to move forward and backward along the tunnel boring machine. This, in conjunction with the first roof assembly, significantly reduces the empty roof space, provides comprehensive protection, and significantly avoids construction workers operating with the roof empty, greatly ensuring their safety. While ensuring the safety of construction workers, the tunnel is permanently supported, and the roof rock fall can be prevented to a greater extent, facilitating the clearing of fallen rock blocks.

[0024] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments in the embodiments of the present invention should fall within the scope of protection of the embodiments of the present invention.

[0025] like Figure 1 As shown, Figure 1 A full-face tunnel boring machine (TBM) for a coal mine according to an embodiment of the present invention is shown, and the "front and rear directions" described in the present invention are based on the head-to-tail directions of the full-face tunnel boring machine, where the main machine direction of the full-face tunnel boring machine is forward and the tail (trolley) direction is rearward.

[0026] Depend on Figure 1 As can be seen in the figure, the full-face tunnel boring machine includes a main machine 100, a trolley 300 connected to the rear of the main machine 100, an airborne anchor drill 400 mounted on the trolley 300, a slag scraper 600 mounted at the bottom of the trolley 300, a belt conveyor 500, and a temporary support device 200 mounted on the trolley 300. The belt conveyor 500 is mounted inside the main machine 100, with its rear end extending out of the main machine 100. The temporary support device 200 is mounted between the main machine 100 and the airborne anchor drill 400. When the tunnel boring machine is in operation, it uses the rotating cutter at the head of the main machine 100 to excavate, crush the surrounding rock in the hole, and excavate. The crushed rock is transported backwards via the belt conveyor 500 and then transported out of the tunnel by a slag truck. During the tunnel excavation process, anchor net cables are required for permanent support. Construction workers perform permanent support operations behind the shield of the TBM main machine, and then use the airborne anchor drill 400 for reinforced support. The temporary support device 200 can provide comprehensive protection for the operators, preventing them from operating in the empty space, thus greatly ensuring the safety of the construction workers.

[0027] See also Figure 2 , Figure 2 The schematic diagram of the structure of the temporary support device is shown. It can be seen that the temporary support device 200 includes a roof assembly, first telescopic assemblies 3 provided on the left and right sides of the tunnel boring machine, second telescopic assemblies 4 provided on the left and right sides of the tunnel boring machine, first drive mechanisms 5 provided on the left and right sides of the tunnel boring machine, and second drive mechanisms 6 provided on the left and right sides of the tunnel boring machine, wherein: The roof assembly includes a first roof 1 and a second roof 2 that can move relative to the first roof 1 in the front-to-rear direction of the tunnel boring machine. The first roof 1 is located below the second roof 2. The upper surface of the first roof 1 is a curved surface, and the upper surface of the second roof 2 is also a curved surface, which can better fit the top wall of the tunnel excavated by the tunnel boring machine. The first telescopic mechanism 3 on each side is connected between the first roof 1 and the second roof 2, and the first telescopic mechanism 3 can be telescopically arranged along the front-back direction of the tunnel boring machine; The second telescopic mechanism 4 on each side is connected between the first telescopic assembly 3 and the trolley 300, and the second telescopic mechanism 4 can be telescopically arranged in the up and down directions; The first driving mechanism 5 is used to drive the first telescopic assembly 3 to extend and retract, thereby driving the second ceiling 2 to move away from the first ceiling 1 and closer to the main unit 100 or closer to the first ceiling 1 and away from the main unit 100; The second driving mechanism 6 is used to drive the second telescopic assembly 4 to extend and retract, thereby driving the ceiling assembly to move up and down.

[0028] Several first through holes 7 are opened on the first ceiling 1 and pass through the upper and lower surfaces of the first ceiling 1, and several second through holes 8 are opened on the second ceiling 2 and pass through the upper and lower surfaces of the second ceiling 2. On the one hand, when the ceiling assembly rises, the first through holes 7 and the second through holes 8 can avoid the anchor rods that have been driven into the top wall of the tunnel. On the other hand, the operator can also drill anchor holes into the top wall of the tunnel through the first through holes 7 and the second through holes 8 under the protection of the first ceiling 1 and the second ceiling 2, so as to better ensure the safety of the operator.

[0029] Recombination Figures 2 to 4 The first roof 1 includes a first roof part 1a and a first roof part 2 1b arranged at intervals along the front and rear directions of the tunnel boring machine. An accommodating space is formed between the first roof part 1a and the first roof part 2 1b. The first roof part 2 1b is located behind the first roof part 1a. The accommodating space makes it convenient for the operator to stand under the first roof 1 and use a leg-type anchor bolter to assist in reinforcement. During the construction process, the operator can ensure safety and complete the work well.

[0030] The ceiling assembly has at least a first working position and a second working position. When the ceiling assembly is in the first working position, the second ceiling 2 is away from the first ceiling 1 and close to the main unit 100, and the front end of the second ceiling 2 can also be overlapped on the main unit 100, further reducing the empty ceiling space and improving safety; when the ceiling assembly is in the second working position, the second ceiling 2 is close to the first ceiling 1 and away from the main unit 100, and the second ceiling 2 can cover the accommodating space, so that when necessary, the operator can be at the accommodating space position for construction, which is safer.

[0031] See also Figure 3 and Figure 4 The first roof part 1a includes multiple first arc blocks, which are detachably connected in sequence along the front-to-back direction of the tunnel boring machine; the first roof part 2 1b includes multiple second arc blocks, which are detachably connected in sequence along the front-to-back direction of the tunnel boring machine, facilitating the installation of the first roof part 1a and the first roof part 2 1b, and the first through hole 7 is opened on the first arc block and the second arc block.

[0032] See also Figure 5 , Figure 5 A structural schematic diagram of the second ceiling of the temporary support device is shown. As can be seen from the figure, the second ceiling 2 includes a second ceiling main body 2a, a second ceiling connecting part 2b fixedly connected to the left and right sides of the second ceiling main body 2a, and a plurality of mounting holes 2c opened on the second ceiling connecting part 2b. The mounting holes 2c are respectively arranged along the upper and lower directions of the second ceiling connecting part 2b, which can be used to adjust the installation height position of the second ceiling 2. The second through hole 8 is opened in the second ceiling main body 2a.

[0033] See also Figure 2 Each first telescopic assembly 3 includes a first crossbar 3a and a second crossbar 3b that are connected and slide relative to each other in the front-to-back direction of the tunnel boring machine. The first crossbar 3a is fixedly connected to the upper end of the second telescopic assembly and has a hollow interior with an open front end. The left and right sides of the first roof 1 are fixedly connected to the first crossbar 3a via first connectors 10, while the left and right sides of the second roof 2 are fixedly connected to the second crossbar 3b via second connectors 11.

[0034] See also Figure 6 The second cross bar 3b includes a second cross bar main body 3b1 slidably inserted into the hollow inner cavity of the first cross bar 3a, a second cross bar connecting part 3b2 fixedly connected to the front end of the second cross bar main body 3b1, and a second cross bar connecting part 3b3 connected to the front end of the second cross bar connecting part 3b2 and extending along the front and rear direction of the tunnel boring machine. The front end of the second cross bar connecting part 3b3 is integrally connected with a second cross bar connecting part 3b4 extending along the up and down direction.

[0035] In some embodiments, the left and right sides of the first roof section 1a and the left and right sides of the second roof section 1b are respectively fixedly connected to the second crossbar 3a via first connectors 10. The second roof connecting portion 2b of the second roof 2 is fixedly connected to the second crossbar connecting portion 3b4 via second connectors 11.

[0036] See also Figure 7 The second connecting member 11 includes a second connecting member main body 11a, a second connecting member bent portion 11d formed by folding and extending the lower end of the second connecting member main body 11a to the side, and a second connecting member connecting portion 11b integrally connected to the bottom of the second connecting member bent portion 11d. The second connecting member connecting portion 11b is fixedly connected to the second cross bar connecting portion 3b4. A plurality of mounting grooves 11c extending in the up and down directions are provided on the second connecting member main body 11a. The second connecting member main body 11a is fixedly connected to the second ceiling connecting portion 2b. The two are fixedly connected by bolts and nuts. The bolts pass through the mounting grooves 11c and the mounting holes 2c in sequence, and then the nuts are tightened.

[0037] See also Figure 2 The first drive mechanism 5 on each side is a first hydraulic cylinder (also called an oil cylinder). It includes a first hydraulic cylinder body and a first piston rod mounted therein. The rear end of the first hydraulic cylinder body is rotatably connected to the first crossbar 3a, and the front end of the first piston rod is rotatably connected to the second crossbar 3b. The first drive mechanism drives the second crossbar 3b to slide relative to the first crossbar 3a in the fore-and-aft direction of the tunnel boring machine, thereby driving the second roof 2 to move in the fore-and-aft direction relative to the first roof 1.

[0038] In some embodiments, the front end portion of the first piston rod is rotatably connected to the second cross bar connecting portion 3b2.

[0039] See also Figure 2 The second telescopic assembly 4 on each side includes a first vertical rod 4a and a second vertical rod 4b that are telescopically connected to each other in a relative sliding manner along the up and down directions. The lower end of the first vertical rod 4a is fixedly connected to the trolley 300, and the upper end of the second vertical rod 4b is fixedly connected to the first cross bar 3a. The first vertical rod 4a has a hollow inner cavity, and the upper end of the hollow inner cavity is open.

[0040] The second upright 4b includes a second upright body portion slidably inserted into the hollow inner cavity of the first upright 4a and a second upright connection portion fixedly connected to the upper end of the second upright body portion. The second upright connection portion is fixedly connected to the first cross bar 3a.

[0041] See also Figure 2The second drive mechanism 6 on each side is a second hydraulic cylinder, comprising a second hydraulic cylinder body and a second piston rod mounted thereon. The lower end of the second hydraulic cylinder body is rotatably connected to the first upright 4a, while the upper end of the second piston rod is rotatably connected to the second upright 4b. The second drive mechanism drives the second upright 4b to slide vertically relative to the first upright 4a, thereby driving the ceiling assembly (comprising the first and second ceilings 1 and 2) to move vertically.

[0042] In some embodiments, the upper end portion of the second piston rod is rotatably connected to the second vertical rod connecting portion.

[0043] When the tunnel boring machine equipped with the temporary support device is used in coal mine operations, the temporary support device can be deployed or retracted according to actual construction needs. First, construction workers need to stand on the trolley to work or walk. The second drive mechanism drives the roof assembly to move upward, and then the first drive mechanism drives the second roof to move forward relative to the first roof to deploy the roof assembly. At this time, the construction workers can stand under the roof assembly to anchor the tunnel top wall and complete permanent support. Or, if necessary, the roof assembly can be deployed to allow the front end of the second roof to overlap the rear of the main machine for more comprehensive protection. At this time, the construction workers can walk safely under the roof assembly. Secondly, when the construction workers walk to the accommodation space on the first roof, they can also cover the accommodation space with the second roof to ensure the safety of the construction workers. Thirdly, by raising and deploying the roof assembly, rocks falling from the tunnel roof can be prevented from falling directly onto the trolley. Instead, they are forced to fall onto the roof assembly first, then either drop to the ground from the side of the roof assembly, or the roof assembly is lowered first before the rocks are cleared, greatly facilitating the cleanup of fallen rocks. Fourthly, when the roof assembly is no longer needed, it can be stowed and lowered close to the trolley. Fifthly, this temporary support device has a simple structure and is low-cost.

[0044] In the description of the present invention, it should be understood that the terms "longitudinal", "transverse", "up", "down", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are 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 therefore cannot be understood as a limitation on the present invention.

[0045] In addition, in the description of the present invention, unless otherwise specified and limited, it should be noted that the terms "install", "connect" and "connect" should be understood in a broad sense. For example, it can be a mechanical connection, a direct connection, or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0046] The above implementation methods are only used to illustrate the embodiments of the present invention, and are not intended to limit the embodiments of the present invention. Ordinary technicians in the relevant technical field may make various changes and modifications without departing from the spirit and scope of the embodiments of the present invention. Therefore, all equivalent technical solutions also fall within the scope of the embodiments of the present invention, and the scope of patent protection of the embodiments of the present invention should be defined by the claims.

Claims

1. A temporary support device for a tunnel boring machine, the tunnel boring machine comprising a main machine and a trolley connected to the rear of the main machine, characterized in that: The temporary support device comprises: a roof assembly comprising a first roof and a second roof movable relative to the first roof in a front-rear direction of the tunnel boring machine; a first telescopic assembly connected between the first roof and the second roof, wherein the first telescopic assembly can be telescoped in a front-to-rear direction of the tunnel boring machine; a second telescopic assembly connected between the first telescopic assembly and the trolley, wherein the second telescopic assembly can be telescoped in the up-down direction; a first driving mechanism for driving the second ceiling away from the first ceiling and closer to the main unit, or closer to the first ceiling and away from the main unit; The second driving mechanism is used to drive the roof assembly to move up and down.

2. The temporary support device for a tunnel boring machine according to claim 1, characterized in that: The upper surface of the first roof is an arc-shaped surface, and the upper surface of the second roof is an arc-shaped surface.

3. The temporary support device for a tunnel boring machine according to claim 2, characterized in that: The first ceiling is provided with a plurality of first through holes penetrating the upper and lower surfaces of the first ceiling; and / or, The second ceiling is provided with a plurality of second through holes penetrating the upper and lower surfaces of the second ceiling.

4. The temporary support device for a tunnel boring machine according to claim 1, characterized in that: The first ceiling includes a first ceiling portion and a second first ceiling portion spaced apart along the front-to-back direction. An accommodating space is formed between the first ceiling portion and the second second ceiling portion. The second first ceiling portion is located behind the first ceiling portion.

5. The temporary support device for a tunnel boring machine according to claim 4, characterized in that: The first roof portion includes a plurality of first arc-shaped blocks, and the plurality of first arc-shaped blocks are detachably connected in sequence along the front-to-back direction; and / or, The first roof part 2 includes a plurality of second arc-shaped blocks, and the plurality of second arc-shaped blocks are detachably connected in sequence along the front-to-back direction.

6. The temporary support device for a tunnel boring machine according to claim 4, characterized in that: The ceiling assembly has at least a first working position. When the ceiling assembly is in the first working position, the second ceiling is away from the first ceiling and close to the main unit, and the front end of the second ceiling can overlap the main unit; and / or, The ceiling assembly also has a second working position. When the ceiling assembly is in the second working position, the second ceiling is close to the first ceiling and away from the main unit, and the second ceiling can cover the accommodating space.

7. The temporary support device for a tunnel boring machine according to claim 1, characterized in that: The second roof is located above the first roof.

8. The temporary support device for a tunnel boring machine according to any one of claims 1 to 7, characterized in that: The first telescopic assembly and the second telescopic assembly are arranged on both the left and right sides of the tunnel boring machine; and / or, The first driving mechanism and the second driving mechanism are arranged on both the left and right sides of the tunnel boring machine.

9. The temporary support device for a tunnel boring machine according to claim 8, characterized in that: The first telescopic assembly on each side includes a first crossbar and a second crossbar that are relatively slidably and telescopically connected along the front-to-back direction; The second telescopic assembly on each side includes a first vertical pole and a second vertical pole that are telescopically connected to each other in a vertical direction. The first vertical pole is connected to the trolley, the second vertical pole is connected to the first cross bar, the left and right sides of the first ceiling are connected to the first cross bar through first connecting members, and the left and right sides of the second ceiling are connected to the second cross bar through second connecting members.

10. The temporary support device for a tunnel boring machine according to claim 9, characterized in that: The first driving mechanism is a hydraulic cylinder or a pneumatic rod, and the first driving mechanism is rotatably connected between the first crossbar, the second vertical pole or the first ceiling and the second crossbar or the second ceiling; and / or, The second driving mechanism is a hydraulic cylinder or a pneumatic cylinder, and the second driving mechanism is rotatably connected between the first vertical pole or the trolley and the second vertical pole or the first cross bar.

11. The temporary support device for a tunnel boring machine according to claim 9, characterized in that: The front end of the first driving mechanism is rotatably connected to the second cross bar, and the rear end of the first driving mechanism is rotatably connected to the first cross bar; and / or, The lower end of the second driving mechanism is rotatably connected to the first vertical rod, and the upper end of the second driving mechanism is rotatably connected to the second vertical rod.

12. The temporary support device for a tunnel boring machine according to claim 1, characterized in that: The tunnel boring machine further comprises an airborne anchor drilling rig arranged on the trolley, and the temporary support device is located between the main machine and the airborne anchor drilling rig.

13. A tunnel boring machine, characterized in that: The temporary support device comprises the temporary support device according to any one of claims 1 to 12.

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