An open type shield machine slag discharging device

Abstract

The present application relates to a kind of open shield machine with slag discharge device, including soil bin and screw conveyor frame, also including propulsion mechanism, cleaning mechanism and guide rail mechanism;The screw conveyor frame includes screw conveyor and multiple groups of support rods spaced below screw conveyor, the lower end of each group of support rods is provided with propulsion mechanism, and propulsion mechanism includes sliding block, hydraulic rail clamp and jack arranged between sliding block and hydraulic rail clamp;Cleaning mechanism is arranged at the side of propulsion mechanism, and cleaning mechanism includes clean residue block, clean residue groove opened on clean residue block and oil storage cylinder communicated with clean residue groove.Guide rail mechanism includes two pairs of guide rails, and connecting plate is centrally arranged between the two pairs of guide rails;Sliding block, hydraulic rail clamp and clean residue block are slidably connected on the guide rail.The present application can realize the synchronous movement of screw conveyor frame and soil bin, so that screw conveyor frame can continuously carry out slag discharge work, effectively guarantee the slag discharge efficiency, and reduce the influence of soil residue stone block on the movement of screw conveyor frame.

Description

Technical Field

[0001] This invention relates to the field of slag removal technology for tunnel boring machines, and in particular to a slag removal device for open-type tunnel boring machines. Background Technology

[0002] A tunnel boring machine (TBM) is a tunnel excavation machine that uses the shield tunneling method. The shield tunneling construction method involves laying supporting segments of the tunnel while the TBM is excavating. During shield tunneling, a large amount of soil and rock will be generated, which needs to be discharged in time through a muck removal device to ensure the normal operation of the TBM.

[0003] During the tunneling process of a tunnel boring machine (TBM), the auger conveyor, as a supporting muck removal device, needs to move synchronously with the position of the TBM. However, in some open-type TBM tunneling processes, the movement of the auger conveyor is not convenient enough. After the TBM has reached its position, the auger conveyor is still moving, which affects the efficiency of the TBM due to the muck removal efficiency.

[0004] When a tunnel boring machine is excavating, it inevitably produces a large amount of broken soil and rocks that fall to the ground. During the movement of the spiral conveyor, the soil and rocks will inevitably block the path of the spiral conveyor, so manual clearing is required. This is time-consuming, labor-intensive, and very inconvenient to operate, increasing the workload and labor intensity of workers, and further affecting the movement efficiency of the spiral conveyor. Summary of the Invention

[0005] In order to solve the problem that the inconvenience of moving the existing spiral conveyor frame affects the tunneling efficiency, the present invention provides an open-type muck removal device for tunnel boring machines, which can be easily operated and efficiently assist in muck removal operations.

[0006] To achieve the above objectives, the technical solution adopted by the present invention is as follows:

[0007] A slag discharge device for an open-face tunnel boring machine includes a soil chamber and a screw conveyor frame, as well as a propulsion mechanism, a cleaning mechanism and a guide rail mechanism;

[0008] The spiral conveyor frame includes a spiral conveyor and multiple sets of support rods spaced below the spiral conveyor. The lower end of each set of support rods is provided with the propulsion mechanism. The propulsion mechanism includes a sliding block, a hydraulic rail clamp, and a jack arranged between the sliding block and the hydraulic rail clamp. The support rods are arranged on the sliding block.

[0009] The cleaning mechanism is located on one side of the propulsion mechanism and is attached to the propulsion mechanism and driven by the propulsion mechanism. The cleaning mechanism includes a slag removal block, a slag removal groove opened on the slag removal block, and an oil storage cylinder connected to the slag removal groove. The slag removal block is used to level the soil and slag.

[0010] The guide rail mechanism is laid on the ground, and the spiral conveyor moves along the guide rail mechanism. The guide rail mechanism includes two pairs of guide rails that can be detachably connected. Each pair of guide rails includes two rails arranged at intervals. A connecting plate is arranged in the middle between the two pairs of guide rails, thereby connecting the four guide rails into a whole. The connecting plate is detachably connected to the four guide rails.

[0011] The sliding block, hydraulic rail clamp, and slag removal block are arranged in a straight line and slide on the guide rail. The slag removal groove slides in cooperation with the guide rail.

[0012] Furthermore, the screw conveyor has a slag inlet and a slag outlet at both ends. The slag inlet is arranged upward and connected to the soil silo, while the slag outlet is arranged downward. The screw conveyor transports the excavated soil and slag from the slag inlet to the slag outlet.

[0013] Furthermore, each group of support rods consists of two rods, which are arranged on both sides of the screw conveyor. The screw conveyor is supported by multiple support rods, and the propulsion mechanism is arranged at the lower end of each support rod, so there are multiple propulsion mechanisms.

[0014] Furthermore, the slag removal block, sliding block, jack, and hydraulic rail clamp are arranged in a straight line, and the slag removal block, sliding block, and hydraulic rail clamp are all slidably connected to the guide rail. The slag removal block is fixedly connected to the sliding block, so when the sliding block moves, the slag removal block moves accordingly.

[0015] Furthermore, the slag removal block is connected to the guide rail via a slag removal trough. An oil storage cylinder is installed above the slag removal block to store a certain amount of lubricating oil. An oil guide pipe is also provided inside the slag removal block. An oil valve is connected to the oil storage cylinder at the top of the oil guide pipe to control the flow of lubricating oil. The oil guide pipe is connected to the slag removal trough at the bottom. A rubber pad is laid on the inner side wall of the slag removal trough to fit the guide rail. The oil guide pipe passes through the rubber pad, and the lubricating oil can flow into the slag removal trough through the rubber pad.

[0016] Furthermore, each guide rail includes a rail body and fixing strips two and one respectively disposed on the inner and outer sides of the rail body; fixing strips two and one are respectively anchored to the ground to fix a single guide rail; the four guide rails are connected by anchor bolts to the fixing strips two of each other by the connecting plate, which connects the four guide rails together; the connecting plate is a flat plate and is inserted into the four fixing strips two.

[0017] The fixing strip has rectangular connecting blocks at both ends, and a positioning sleeve is provided between two adjacent connecting blocks. The positioning sleeve has an inverted "U" shaped cross section and is snapped between the two connecting blocks. The positioning sleeve and the connecting blocks are bolted together to realize the connection and installation of the two pairs of guide rails.

[0018] Furthermore, a stabilizing groove is provided on the bottom surface of the guide rail, and several translation plates are arranged in the stabilizing groove. Each translation plate has multiple elastic rods vertically arranged above it. The translation plates are elastically connected to the stabilizing groove through the elastic rods to extend or retract into the stabilizing groove. The translation plates can adjust their position according to the undulation of the ground, so that the bottom surface of the guide rail can fit well with the ground, ensuring the stability of the guide rail installation and improving the stability of the spiral conveyor frame movement.

[0019] The beneficial effects of the present invention through the above technical solution are:

[0020] The present invention has a reasonable structural design. The hydraulic rail clamp is fixed to the guide rail. The jack releases oil to move the sliding block forward. The sliding block, together with the support column, drives the screw conveyor to move. Then the hydraulic rail clamp is released and the jack returns oil to make the hydraulic rail clamp slide forward, thereby realizing the synchronous movement of the screw conveyor frame and the soil bin. This allows the screw conveyor frame to continuously perform slag discharge work and effectively ensures slag discharge efficiency.

[0021] In this invention, during the movement of the screw conveyor frame, a sliding block pushes a cleaning block along the guide rail. A rubber pad adheres to the guide rail surface, cleaning away dirt and debris, reducing the workload for workers. Lubricating oil from the oil reservoir flows through an oil pipe to the guide rail surface, maintaining the rail and ensuring stable movement of the screw conveyor frame. This reduces the impact of dirt and stones on the movement of the screw conveyor frame, further improving its efficiency.

[0022] The present invention improves the integrity between two pairs of guide rails by using a connecting plate and improves the integrity between two guide rails on the same side by using a positioning sleeve, which facilitates the extension and laying of the guide rails. At the same time, the two pairs of guide rails are compatible, and the laying and installation are carried out once in one cycle, which reduces the number of laying operations and further reduces the workload of workers. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of a slag removal device for an open-type tunnel boring machine according to the present invention.

[0024] Figure 2 This invention relates to a slag removal device for an open-type tunnel boring machine. Figure 1 Schematic diagram of the spiral conveyor.

[0025] Figure 3 This invention relates to a slag removal device for an open-type tunnel boring machine. Figure 2 Enlarged schematic diagram of the propulsion mechanism.

[0026] Figure 4 This is a schematic diagram of the cleaning mechanism of a slag discharge device for an open-type tunnel boring machine according to the present invention, in which the movable sleeve is separated from the roller.

[0027] Figure 5This is a cross-sectional view of the cleaning mechanism of a slag removal device for an open-type tunnel boring machine according to the present invention.

[0028] Figure 6 This is a schematic diagram of the guide rail mechanism of a slag removal device for an open-type tunnel boring machine according to the present invention.

[0029] Figure 7 This invention relates to a slag removal device for an open-type tunnel boring machine. Figure 6 Schematic diagram of the installation of the connecting block and the positioning sleeve.

[0030] Figure 8 This is a schematic diagram of the end of a single guide rail of an open-type shield tunneling machine muck removal device according to the present invention.

[0031] Figure 9 This is a schematic diagram showing the disassembled guide rail mechanism of a slag removal device for an open-type tunnel boring machine according to the present invention.

[0032] Figure 10 This invention relates to a slag removal device for an open-type tunnel boring machine. Figure 9 Schematic diagram of the end of the connecting plate.

[0033] Figure 11 This is a schematic diagram of the retracted state of the translation plate in Embodiment 2 of the slag removal device for an open-type tunnel boring machine according to the present invention.

[0034] Figure 12 This is a schematic diagram of the extended state of the translation plate in Embodiment 2 of the slag removal device for an open-type tunnel boring machine according to the present invention.

[0035] The attached diagram is labeled as follows: 1 is the soil bin, 2 is the screw conveyor frame, 201 is the screw conveyor, 202 is the support rod, 3 is the sliding block, 4 is the hydraulic rail clamp, 5 is the jack, 6 is the slag removal block, 7 is the slag removal trough, 8 is the oil storage tank, 9 is the oil guide pipe, 10 is the oil valve, 11 is the rubber pad, 12 is the guide rail, 121 is the rail body, 122 is the second fixing strip, 123 is the first fixing strip, 13 is the connecting block, 14 is the positioning sleeve, 15 is the connecting plate, 16 is the groove, 17 is the sliding seat, 18 is the movable sleeve, 19 is the roller, 20 is the chute, 21 is the stabilizing trough, 22 is the translation plate, 23 is the elastic rod, 24 is the slag inlet, and 25 is the slag outlet. Detailed Implementation

[0036] The specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings:

[0037] Example 1:

[0038] like Figures 1-10As shown, an open-type shield tunneling machine muck removal device includes a soil chamber 1 and a spiral conveyor frame 2. The soil chamber 1 is a component of the shield tunneling machine. The excavated soil and rock are transported through the soil chamber 1 to the spiral conveyor frame 2 and then transported out of the tunnel. Therefore, the soil chamber 1 and the spiral conveyor frame 2 need to be kept in communication. When the shield tunneling machine moves, the spiral conveyor frame 2 also needs to move with it to ensure the communication between the soil chamber 1 and the spiral conveyor frame 2.

[0039] In this embodiment, in order to facilitate the movement of the spiral conveyor 2 with the tunnel boring machine, a propulsion mechanism, a cleaning mechanism, and a guide rail mechanism are also included. The cooperation of the three mechanisms can improve the movement efficiency of the spiral conveyor 2 while ensuring the slag discharge efficiency.

[0040] The screw conveyor frame 2 includes a screw conveyor 201 and three sets of support rods 202 spaced apart below the screw conveyor 201. The screw conveyor 201 has a slag inlet and a slag outlet at both ends. The slag inlet is arranged upward and connects to the soil chamber 1, while the slag outlet is arranged downward.

[0041] The height of the three sets of support rods 202 increases sequentially from the slag inlet to the slag outlet. Under the combined support of the three sets of support rods 202, the screw conveyor 201 is arranged at an angle. Each set of support rods 202 consists of two rods, for a total of six rods in three sets. The two support rods 202 in each set are vertically arranged on both sides of the screw conveyor 201.

[0042] Each set of two support rods 202 has a propulsion mechanism at its lower end, meaning that each support rod 202 has a propulsion mechanism at its lower end, with a total of six propulsion mechanisms. The six propulsion mechanisms work together to move the screw conveyor frame 2. Each propulsion mechanism includes a sliding block 3, a hydraulic rail clamp 4, and a jack 5 positioned between the sliding block 3 and the hydraulic rail clamp 4. Figure 3 As shown.

[0043] The specific connection between the support rod 202 and the propulsion mechanism is as follows: the support rod 202 is vertically arranged on the sliding block 3, thereby connecting the screw conveyor frame 2 and the propulsion mechanism. There is a gap between the sliding block 3 and the hydraulic rail clamp 4, which can reserve space for the installation of the jack 5.

[0044] The function of the cleaning mechanism is to clean up the soil and debris on the moving path of the spiral conveyor 2. The cleaning mechanism is located on one side of the propulsion mechanism. The cleaning mechanism itself has no driving force and is moved by the propulsion mechanism.

[0045] The cleaning mechanism includes a slag-removing block 6, a slag-removing groove 7 formed on the slag-removing block 6, and an oil storage tank 8 connected to the slag-removing groove 7, such as Figures 4-5 As shown. The slag removal block 6 is fixedly connected to the sliding block 3. When the sliding block 3 moves, the slag removal block 6 moves along with it.

[0046] An oil storage cylinder 8 is installed above the slag removal block 6. The oil storage cylinder 8 is used to store lubricating oil. The oil storage cylinder 8 has a conventional openable cylinder structure, that is, a cylinder cover is threaded on the top of the oil storage cylinder 8.

[0047] The slag removal block 6 is also equipped with an oil guide pipe 9, which is arranged in a "T" shape. The upper part of the oil guide pipe 9 is connected to the oil storage cylinder 8 by an oil valve 10, and the two sides of the oil guide pipe 9 are connected to the slag removal troughs 7, which are symmetrically arranged. The inner wall of the slag removal trough 7 is lined with a rubber pad 11, and the oil guide pipe 9 passes through the rubber pad 11. By controlling the opening and closing of the oil valve 10, the flow of lubricating oil in the oil storage cylinder 8 into the slag removal trough 7 can be controlled.

[0048] The guide rail mechanism is laid on the ground. The function of the guide rail mechanism is to provide a carrier for the movement of the screw conveyor 2. That is, the propulsion mechanism and the cleaning mechanism are all installed on the guide rail mechanism and move along the guide rail mechanism, thereby the screw conveyor 2 moves along the guide rail mechanism.

[0049] The guide rail mechanism includes two pairs of detachably connected guide rails 12, each pair of guide rails 12 including two rails spaced apart, for a total of four guide rails 12. Figure 6 As shown.

[0050] To facilitate easy disassembly and reassembly of the guide rails 12, each guide rail 12 includes a rail body 121 and fixing strips 122 and 123 respectively disposed on the inner and outer sides of the rail body 121, such as Figure 8 As shown. Specifically, fixing strip 2 122 is installed in the middle of the inner side of the track body 121, and fixing strip 1 123 is installed at the bottom of the outer side of the track body 121. Fixing strip 2 122 and fixing strip 1 123 are respectively anchored to the ground by anchor bolts to fix the guide rail 12 itself.

[0051] To facilitate the connection between the two pairs of guide rails 12, rectangular connecting blocks 13 are provided at both ends of the fixing strip 123. After the two pairs of guide rails 12 are mated, a positioning sleeve 14 is provided between two adjacent connecting blocks 13. The positioning sleeve 14 has an inverted "U" shaped cross-section and fits between the two connecting blocks 13. The positioning sleeve 14 and the connecting block 13 are bolted together, realizing the bolted installation and fixation of the two pairs of guide rails 12. Figure 7 As shown.

[0052] To further improve the stability of the installation of the two pairs of guide rails 12, a connecting plate 15 is centrally located between the two pairs of guide rails 12. The connecting plate 15 is a flat plate and is detachably connected to the four guide rails 12. Specifically, the connecting plate 15 is anchored to the fixing strips 122 of the four guide rails 12. Grooves 16 are formed in the center of both sides of the connecting plate 15. The connecting plate 15 is inserted into the four fixing strips 122 through the grooves 16 on both sides. Furthermore, when the anchor bolts are removed, the connecting plate 15 can slide relative to the fixing strips 122. Figure 10 as shown

[0053] After the two pairs of guide rails 12 of the guide rail mechanism are butt-jointed and assembled, first, the connecting block 13 and the positioning sleeve 14 are bolted together to realize the connection and installation of the two pairs of guide rails 12. At this time, the four guide rails 12 are connected in pairs; then, the connecting plate 15 and the second fixing bar 122 are connected by anchor bolts, which also realizes the connection and installation of the two pairs of guide rails 12. At this time, the four guide rails 12 are connected as a whole.

[0054] The installation structures of the propulsion mechanism and the slag cleaning mechanism on the guide rail mechanism are as follows: The sliding block 3, the hydraulic rail clamp 4, and the slag cleaning block 6 are slidably connected to the guide rail 12 in a straight line. That is, the slag cleaning block 6, the sliding block 3, the jack 5, and the hydraulic rail clamp 4 are arranged in a straight line successively. The slag cleaning block 6, the sliding block 3, and the hydraulic rail clamp 4 are all slidably connected to the guide rail 12. The slag cleaning groove 7 cooperates with the guide rail 12 to slide. That is, the slag cleaning block 6 cooperates with the guide rail 12 through the slag cleaning groove 7. The rubber pad 11 is fitted to the guide rail 12, and the lubricating oil flowing into the slag cleaning groove 7 can lubricate the guide rail 12.

[0055] In order to realize the convenient sliding of the slag cleaning block 6 along the guide rail 12, the slag cleaning groove 7 cooperates with the guide rail 12. At the same time, sliding seats 17 are respectively arranged on both sides of the slag cleaning block 6. Below the sliding seats 17 are a plurality of movable sleeves 18 arranged at intervals. Each movable sleeve 18 is plate-shaped above and hollow cylindrical below. A roller 19 is rotatably arranged below each movable sleeve 18. The roller 19 has an I-shaped wheel structure. On both sides of the guide rail 12, that is, on both sides of the track body 121, a chute 20 with a "convex" cross-section is opened, and the roller 19 is placed in the chute 20 to slide.

[0056] The specific use steps of the present invention are as follows: Step 1: When in use, the soil bin 1 collects soil slag and cooperates with the spiral conveyor rack 2 to convey the soil slag. During the movement of the soil bin 1, the hydraulic rail clamp 4 clamps and fixes the guide rail 12, and the jack 5 discharges oil. The output end of the jack 5 is fixedly connected to the sliding block 3, so that the sliding block 3 moves forward. Through the cooperation of the sliding block 3 and the support column, the spiral conveyor rack 2 is moved; then the hydraulic rail clamp 4 is released, and the jack 5 returns oil, so that the hydraulic rail clamp 4 slides forward, thereby realizing the synchronous movement of the spiral conveyor rack 2 and the soil bin 1.

[0057] Step 2: During the movement of the spiral conveyor rack 2, the sliding block 3 pushes the slag cleaning block 6 to move. Through the rubber pad 11 being fitted to the surface of the guide rail 12, the soil slag on the surface of the guide rail 12 is cleaned. At the same time, the roller 19 is movably connected to the movable sleeve 18, and the roller 19 is located inside the guide rail 12, reducing the moving resistance of the slag cleaning block 6. Then the oil valve 10 is started to make the lubricating oil inside the oil storage cylinder flow to the oil guiding pipeline 9, and then the bottom end of the oil guiding pipeline 9 penetrates through the rubber pad 11, so that the lubricating oil flows to the surface of the guide rail 12.

[0058] Step 3: Laying the two pairs of guide rails 12 in a cycle: When the screw conveyor frame 2 is completely positioned on one pair of guide rails 12, this pair of guide rails 12 is in a fixed state. Remove the anchor bolts between the fixing strip 122 and the connecting plate 15 on both pairs of guide rails 12, and at the same time remove the anchor bolts on the fixing strip 123 of the other pair of guide rails 12. Then remove the bolts between the positioning sleeve 14 and the connecting block 13. At this time, the other pair of guide rails 12 is in a movable state. Remove the other pair of guide rails 12 and place them in front of the original fixed pair of guide rails 12, so that the two pairs of guide rails 12 are aligned and fitted together. The two fixed strips 122 are slidably connected to the connecting plate 15. The connecting plate 15 is pushed to continue moving until it is centered on the opposite side of the two pairs of guide rails 12. The two fixed strips 122 and the connecting plate 15 are reconnected with anchor bolts. The fixed strips 123 are also connected to the ground with anchor bolts. The positioning sleeve 14 is then bolted to the corresponding two connecting blocks 13 to complete the extension and laying of the guide rails 12. At this time, the other pair of guide rails 12 is also in a fixed state, and the spiral conveyor frame 2 can continue to move forward.

[0059] Example 2:

[0060] This embodiment is basically the same as Embodiment 1, and the similarities will not be repeated. The differences are as follows: Figures 11-12 As shown in this embodiment, in order to improve the stability of the guide rail 12, a stabilizing groove 21 is provided on the bottom surface of the guide rail 12, i.e., the track body 121. The stabilizing groove 21 is arranged along the length of the guide rail 12. The stabilizing groove 21 includes a flat groove and a receiving groove. The number of receiving grooves is three that are arranged at equal intervals. The receiving groove is located above the flat groove and is connected to the flat groove.

[0061] Several translation plates 22 are spaced apart inside the stabilizing groove 21. The translation plates 22 slide up and down in the flat plate groove. Each translation plate 22 has three elastic rods 23 vertically arranged above it. The elastic rods 23 slide up and down in the receiving groove and are restricted by the receiving groove. Each translation plate 22 is elastically connected to the stabilizing groove 21 through the three elastic rods 23, which can realize the extension or retraction of the translation plate 22 into the stabilizing groove 21.

[0062] The elastic rod 23 includes a "T"-shaped rod body and a rubber spring sleeved at the lower end of the rod body. The two ends of the rubber spring are fixedly connected to the track body 121 and the translation plate 22, respectively. In the initial state, the translation plate 22 tends to extend downwards into the stabilizing groove 21. When there are protruding rocks on the ground, the translation plate 22 is pressed upwards. When there are grooves 16 on the ground, the rubber spring drives the translation plate 22 downwards, so that the bottom surface of the guide rail 12 can fit well with the ground, thus improving the stability of the guide rail 12 during the guiding process.

[0063] The embodiments described above are merely preferred embodiments of the present invention and are not intended to limit the scope of the present invention. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the claims of the present invention should be included within the scope of the present invention.

Claims

1. A muck removal device for an open-type tunnel boring machine, comprising a soil chamber (1) and a screw conveyor frame (2), characterized in that, It also includes a propulsion mechanism, a cleaning mechanism, and a guide rail mechanism; The spiral conveyor frame (2) includes a spiral conveyor (201) and multiple sets of support rods (202) spaced below the spiral conveyor (201). The lower end of each set of support rods (202) is provided with the propulsion mechanism. The propulsion mechanism includes a sliding block (3), a hydraulic rail clamp (4), and a jack (5) arranged between the sliding block (3) and the hydraulic rail clamp (4). The support rods (202) are arranged on the sliding block (3). The cleaning mechanism is located on one side of the propulsion mechanism. The cleaning mechanism includes a slag removal block (6), a slag removal groove (7) opened on the slag removal block (6), and an oil storage cylinder (8) connected to the slag removal groove (7). The slag removal block (6) is connected to the guide rail (12) through the slag removal groove (7). The oil storage cylinder (8) is arranged above the slag removal block (6). An oil guide pipe (9) is also provided inside the slag removal block (6). An oil valve (10) is connected between the oil guide pipe (9) and the oil storage cylinder (8) at the top. The oil guide pipe (9) is connected to the slag removal groove (7) at the bottom. A rubber pad (11) is laid on the inner side wall of the slag removal groove (7) to fit the guide rail (12). The oil guide pipe (9) passes through the rubber pad (11). The guide rail mechanism is laid on the ground. The guide rail mechanism includes two pairs of guide rails (12) that can be detachably connected. Each pair of guide rails (12) includes two rails that are spaced apart. A connecting plate (15) is provided in the middle between the two pairs of guide rails (12). The connecting plate (15) is detachably connected to the four guide rails (12). Each of the guide rails (12) includes a rail body (121) and fixing strips two (122) and one (123) respectively disposed on the inner and outer sides of the rail body (121). The second fixing strip (122) and the first fixing strip (123) are respectively anchored to the ground. The connecting plate (15) is connected to the second fixing strip (122) of the four guide rails (12) by anchor bolts. The connecting plate (15) is a flat plate and is inserted into the four second fixing strips (122). The sliding block (3), hydraulic rail clamp (4) and slag removal block (6) are slidably connected to the guide rail (12) in a straight line, and the slag removal groove (7) slides in cooperation with the guide rail (12).

2. The slag removal device for an open-type tunnel boring machine according to claim 1, characterized in that, The screw conveyor (201) has a slag inlet and a slag outlet at both ends. The slag inlet is arranged upward and connected to the soil silo (1), and the slag outlet is arranged downward.

3. The slag removal device for an open-type tunnel boring machine according to claim 1, characterized in that, The number of support rods (202) in each group is two. The two support rods (202) in each group are arranged on both sides of the screw conveyor (201). The propulsion mechanism is arranged at the lower end of each support rod (202).

4. The slag removal device for an open-type tunnel boring machine according to claim 1, characterized in that, The slag removal block (6), sliding block (3), jack (5) and hydraulic rail clamp (4) are arranged in a straight line. The slag removal block (6), sliding block (3) and hydraulic rail clamp (4) are all slidably connected to the guide rail (12), and the slag removal block (6) is fixedly connected to the sliding block (3).

5. A muck removal device for an open-type tunnel boring machine according to claim 1, characterized in that, The fixing strip (123) has rectangular connecting blocks (13) at both ends. A positioning sleeve (14) is provided between two adjacent connecting blocks (13). The positioning sleeve (14) has an inverted "U" shaped cross section and is snapped between the two connecting blocks (13). The positioning sleeve (14) and the connecting block (13) are bolted together.

6. The slag removal device for an open-type tunnel boring machine according to claim 1, characterized in that, The bottom surface of the guide rail (12) is provided with a stabilizing groove (21). Several translation plates (22) are provided in the stabilizing groove (21). Several elastic rods (23) are vertically arranged above each translation plate (22). The translation plate (22) is elastically connected to the stabilizing groove (21) through the elastic rods (23) to extend or retract into the stabilizing groove (21).

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