Small-clear-distance shield tunnel structure retaining device with grouting function
Technical Field
The invention relates to the technical field of tunnel structure retaining devices, in particular to a small-clearance shield tunnel structure retaining device with a grouting function.
Background
The small clear distance shield tunnel refers to that the clear distance between two parallel shield tunnels is smaller, and the safety distance requirement of the conventional shield tunnel construction cannot be met generally. Such tunnel structures present challenges in construction processes such as formation displacement control, tunnel structure interactions, construction risk control, and the like. The maintenance of a small clear-distance shield tunnel structure is a comprehensive engineering problem, and various technologies and measures are required to ensure the stability and safety of the tunnel. Grouting reinforcement, stratum compaction, prestress anchoring, reasonable construction sequence and excavation method, and monitoring and feedback are key measures for keeping the stability of the small-clearance shield tunnel structure. In various countermeasures, grouting reinforcement is combined with a supporting structure, so that the method is a main method for solving the construction problem of the small-clearance shield tunnel in a wider application range. When the inside of the tunnel is supported and protected, a protection frame is needed, a reinforcing frame is arranged in the protection frame in a ring shape, but the existing shield tunnel supporting device can obstruct the transportation, the like of the existing tunnel, the transportation of supporting tunnel constructors and materials is difficult to guarantee smooth, and the purpose of preventing the protection frame from influencing the transportation of the materials is achieved, so that the small-clear-distance shield tunnel structure holding device with the grouting function is provided.
Disclosure of Invention
The invention aims to provide a small-clearance shield tunnel structure holding device with a grouting function, aiming at achieving the purpose of preventing a protection frame from influencing material transportation.
The small clear distance shield tunnel structure retaining device with the grouting function comprises a protection frame composed of an upper protection frame and a lower protection frame, wherein a reinforcement frame composed of an upper reinforcement frame and a lower reinforcement frame is arranged in the protection frame, the upper reinforcement frame is fixedly connected with an inner cavity of the upper protection frame, the lower reinforcement frame is fixedly connected with an inner cavity of the lower protection frame, the upper protection frame and the lower protection frame move through a moving mechanism, the lower protection frame rotates through a rotating mechanism, and scanning mechanisms are arranged on the outer walls of the upper protection frame and the lower protection frame;
The moving mechanism comprises a mounting groove, the mounting groove is formed in the outer wall of the upper protection frame and the outer wall of the lower protection frame, the mounting seat is fixedly connected with the inner wall of the mounting groove, the first straight gears are symmetrically connected with each other in a rotating mode, the outer wall of the first straight gears is fixedly connected with a rotating rod, a roller is mounted at one end of each rotating rod, supporting blocks extending to the top ends of the mounting seats are connected with each supporting block in a sliding mode, the supporting blocks are in contact with the first straight gears, first threaded rods extending to the inner portions of the supporting blocks are connected in a rotating mode, first bevel gears are fixedly connected to the bottom ends of the first threaded rods, the inner portions of the mounting seats are located in the outer walls of the first bevel gears, second bevel gears are connected with each other in a rotating mode, one end of each second bevel gear is fixedly connected with each rotating wheel, and each supporting block on the upper protection frame is fixedly connected with a inserting rod.
As a still further scheme of the invention, the rotating mechanism comprises a groove, the groove is arranged at the position where the bottom end of the upper protection frame is connected with the lower protection frame, the inner wall of the groove is fixedly connected with a movable frame, the top end of the lower protection frame is fixedly connected with a movable rod, the movable rod is slidably connected with the inner wall of the movable frame, the outer wall of the movable rod is fixedly connected with a second spur gear, the outer wall of the upper protection frame is fixedly connected with a fixing seat above the groove, the inner wall of the fixing seat is slidably connected with a fixing block, the top end of the fixing seat is provided with a first motor, the output end of the first motor is connected with a second threaded rod, and the second threaded rod extends into the fixing block.
As a still further scheme of the invention, the scanning mechanism comprises an annular groove, the annular groove is formed in the outer wall of one side of the upper protection frame and the lower protection frame, the inner wall of the annular groove is connected with an arc block in a sliding manner, one end of the arc block is fixedly connected with a vertical plate, the top end of the arc block is fixedly connected with an infrared scanner, the inside of the arc block is rotationally connected with a third spur gear extending out of the arc block, the outer wall of the vertical plate is provided with a second motor, the output end of the second motor is connected with a connecting shaft, the third spur gear is fixedly connected with one end of the connecting shaft, the top end of the vertical plate is provided with a slurry outlet, the outer wall of the vertical plate is positioned above the second motor and is fixedly connected with a fixing cylinder, and the inner wall of the fixing cylinder is rotationally connected with a rotating pipe.
As a still further scheme of the invention, a first threaded hole is formed in the bottom end of the supporting block, the first threaded hole is matched with the first threaded rod, and the first bevel gear is meshed with the second bevel gear.
As a still further scheme of the invention, first tooth grooves are formed in two sides of the supporting block, and the first tooth grooves are meshed with the first straight gears.
As a still further scheme of the invention, the outer walls of the two ends of the movable rod are attached to the inner wall of the movable frame, the outer wall of the fixed block is provided with a second tooth slot, and the second tooth slot is meshed with the second spur gear.
As a still further scheme of the invention, the top end of the fixed block is provided with a second threaded hole, and the second threaded hole is meshed with the second threaded rod.
As a still further proposal of the invention, the outer wall of the arc-shaped block is arc-shaped, and the outer wall of the arc-shaped block is attached to the inner wall of the vertical plate.
As a still further proposal of the invention, the inner wall of the annular groove is provided with a third tooth groove, and the third tooth groove is meshed with the third straight gear.
As a still further scheme of the invention, one end of the inner wall of the fixed cylinder is fixedly connected with a limiting ring, the outer wall of the rotating pipe is provided with a limiting groove, and the outer wall of the limiting ring is attached to the inner wall of the limiting groove.
Compared with the prior art, the invention has the beneficial effects that:
1. Through setting up slewing mechanism, first motor operation drives the fixed block and upwards moves, fixed block displacement and lower fender bracket separation, later promote lower fender bracket and carry out the displacement, until last fender bracket and lower fender bracket separation and movable rod remove to the one end of movable frame, the fixed block moves downwards, drive second spur gear and rotate, the second spur gear rotates and drives the movable rod and rotate, the movable rod rotates and drives down the fender bracket and rotate, lower fender bracket rotates and opens the lower part of fender bracket, the guarantee of being convenient for supports tunnel constructor, the transportation of material is smooth and easy, prevent that the fender bracket from leading to the fact blocking to the traffic.
2. Through setting up moving mechanism, rotate and rotate the wheel and drive second bevel gear and rotate, the second bevel gear rotates and drives first bevel gear and rotate, first bevel gear rotates and drives first threaded rod and rotate, first threaded rod rotates and drives the supporting shoe and carry out the displacement, the supporting shoe displacement drives first gear and rotates, first gear rotates and drives the dwang and rotate, the dwang rotates and drives the gyro wheel and carry out the displacement, when removing the fender bracket, rotate and rotate the wheel and drive supporting shoe and tunnel inner wall separation, the gyro wheel contacts with tunnel inner wall simultaneously, drive the fender bracket through the gyro wheel and remove, after the removal is accomplished, rotate and rotate the wheel and drive supporting shoe and tunnel inner wall contact, fix the operation to the fender bracket, be convenient for remove the operation to the fender bracket.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a mounting base of the present invention;
FIG. 3 is a schematic view of the internal structure of the mounting base of the present invention;
fig. 4 is a schematic diagram showing connection of the upper and lower protective frames of the present invention;
FIG. 5 is a schematic view illustrating the internal structure of the fixing base of the present invention;
FIG. 6 is a schematic view of the installation of an arcuate block of the present invention;
FIG. 7 is a schematic view of the internal structure of the arc block of the present invention;
Fig. 8 is a schematic view showing the internal structure of the stationary tube and the rotary tube of the present invention.
In the figure, 1, an upper protection frame; 2, a lower protection frame, 3, an upper reinforcement frame, 4, a lower reinforcement frame, 5, a moving mechanism, 501, a mounting groove, 502, a mounting seat, 503, a first straight gear, 504, a rotating rod, 505, a roller, 506, a supporting block, 507, a first threaded rod, 508, a first bevel gear, 509, a second bevel gear, 510, a rotating wheel, 511, a plunger rod, 6, a rotating mechanism, 601, a groove, 602, a movable frame, 603, a movable rod, 604, a second straight gear, 605, a fixed seat, 606, a fixed block, 607, a second threaded rod, 608, a first motor, 7, a scanning mechanism, 701, an annular groove, 702, an arc-shaped block, 703, a vertical plate, 704, a third straight gear, 705, a connecting shaft, 706, a second motor, 707, an infrared scanner, 708, a grout outlet, 709, a fixed cylinder, 710, a rotating pipe, 8, a limit ring, 9 and a limit groove.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "configured" are to be construed broadly, and may, for example, be fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intermediary, or communicate between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.
Referring to fig. 1 to 8, in an embodiment of the present invention, a small clear distance shield tunnel structure holding device with grouting function includes a protection frame composed of an upper protection frame 1 and a lower protection frame 2, a reinforcement frame composed of an upper reinforcement frame 3 and a lower reinforcement frame 4 is disposed in the protection frame, the upper reinforcement frame 3 is fixedly connected to an inner cavity of the upper protection frame 1, the lower reinforcement frame 4 is fixedly connected to an inner cavity of the lower protection frame 2, the upper protection frame 1 and the lower protection frame 2 move through a moving mechanism 5, the lower protection frame 2 rotates through a rotating mechanism 6, the outer walls of the upper protection frame 1 and the lower protection frame 2 are provided with a scanning mechanism 7, the moving mechanism 5 includes a mounting groove 501, the mounting groove 501 is opened on the outer walls of the upper protection frame 1 and the lower protection frame 2, an inner wall of the mounting groove 501 is fixedly connected with a mounting seat 502, a first straight gear 503 is rotationally connected to two sides of the mounting seat 502, an outer wall of the first straight gear 503 is fixedly connected with a rotating rod 504, one end of the rotating rod 504 is mounted with a roller 505, an inner sliding connection of the mounting seat 502 is provided with a supporting block 506 extending to the top end of the mounting seat 506, the inner end of the first gear 506 is connected to the first end of the first gear 509, the inner supporting block 506 is connected to the first end of the first gear 506 is fixedly connected to the first end of the first bevel gear 509, the first end of the conical gear is connected to the first end of the first gear is connected to the first end of the conical gear 506 is connected to the first conical gear 509, and the first end is connected to the first end of the conical gear is connected to the first end of the conical gear is mounted to the conical gear 506.
In the embodiment, the rotating wheel 510 drives the second bevel gear 509 to rotate, the second bevel gear 509 rotates to drive the first bevel gear 508 to rotate, the first bevel gear 508 rotates to drive the first threaded rod 507 to rotate, the first threaded rod 507 rotates to drive the supporting block 506 to displace, the supporting block 506 displaces to drive the first straight gear 503 to rotate, the first straight gear 503 rotates to drive the rotating rod 504 to rotate, the rotating rod 504 rotates to drive the roller 505 to displace, when the protection frame moves, the rotating wheel 510 drives the supporting block 506 to separate from the inner wall of the tunnel, the roller 505 contacts with the inner wall of the tunnel, the roller 505 drives the protection frame to move, and after the movement is completed, the rotating wheel 510 drives the supporting block 506 to contact with the inner wall of the tunnel, so that the protection frame is fixed to facilitate the movement operation of the protection frame.
Referring to fig. 4 to 5, the rotating mechanism 6 includes a groove 601, the groove 601 is formed at a position where the bottom end of the upper protection frame 1 is connected with the lower protection frame 2, an inner wall of the groove 601 is fixedly connected with a movable frame 602, a top end of the lower protection frame 2 is fixedly connected with a movable rod 603, the movable rod 603 is slidably connected with an inner wall of the movable frame 602, an outer wall of the movable rod 603 is fixedly connected with a second spur gear 604, an outer wall of the upper protection frame 1 is located above the groove 601 and is fixedly connected with a fixing seat 605, an inner wall of the fixing seat 605 is slidably connected with a fixing block 606, a first motor 608 is mounted at a top end of the fixing seat 605, an output end of the first motor 608 is connected with a second threaded rod 607, and the second threaded rod 607 extends into the fixing block 606.
In this embodiment, when the materials are required to be transported through the protecting frame, the first motor 608 is started, the first motor 608 operates to drive the second threaded rod 607 to rotate, the second threaded rod 607 rotates to drive the fixed block 606 to move upwards, the fixed block 606 is displaced to be separated from the lower protecting frame 2, then the lower protecting frame 2 is pushed to move, at this time, the movable rod 603 slides in the movable frame 602 until the upper protecting frame 1 and the lower protecting frame 2 are separated, the movable rod 603 moves to one end of the movable frame 602, the first motor 608 is started to drive the fixed block 606 to move downwards, the fixed block 606 is displaced to be in contact with the second spur gear 604, then the second spur gear 604 is driven to rotate, the second spur gear 604 rotates to drive the movable rod 603 to rotate, the movable rod 603 rotates to drive the lower protecting frame 2 to rotate, the lower part of the protecting frame is opened, and the materials are convenient to be transported through the protecting frame.
When the lower protection frame 2 is reset, the fixed block 606 moves to drive the lower protection frame 2 to reset, then the lower protection frame 2 is pushed to move to the bottom end of the upper protection frame 1, and the fixed block 606 moves downwards again to be in contact with the lower protection frame 2, so that the upper protection frame 1 and the lower protection frame 2 are fixed, the smooth transportation of supporting tunnel constructors and materials is convenient to guarantee, and the protection frame is prevented from blocking the passage.
Referring to fig. 6 to 8, the scanning mechanism 7 includes an annular groove 701, the annular groove 701 is formed on an outer wall of one side of the upper protection frame 1 and the lower protection frame 2, an inner wall of the annular groove 701 is slidably connected with an arc block 702, one end of the arc block 702 is fixedly connected with a riser 703, a top end of the arc block 702 is fixedly connected with an infrared scanner 707, a third spur gear 704 extending out of the arc block 702 is rotatably connected with an inner wall of the arc block 702, a second motor 706 is mounted on an outer wall of the riser 703, an output end of the second motor 706 is connected with a connecting shaft 705, the third spur gear 704 is fixedly connected with one end of the connecting shaft 705, a slurry outlet 708 is formed on a top end of the riser 703, an outer wall of the riser 703 is fixedly connected with a fixing cylinder 709 above the second motor 706, and an inner wall of the fixing cylinder 709 is rotatably connected with a rotating tube 710.
In the embodiment, the second motor 706 is started, the second motor 706 operates to drive the connecting shaft 705 to rotate, the connecting shaft 705 rotates to drive the third spur gear 704 to rotate, the third spur gear 704 rotates to drive the arc-shaped block 702 to slide in the annular groove 701, the arc-shaped block 702 further moves circumferentially, the displacement of the arc-shaped block 702 drives the infrared scanner 707 to displace, the internal contour of a tunnel is scanned in the moving process of the infrared scanner 707, when grouting is performed in the tunnel, a grouting pipeline is connected with the rotating pipe 710, and then grouting operation is performed through the grouting outlet 708.
Referring to fig. 1 to 3, a first threaded hole is formed at the bottom end of the supporting block 506, the first threaded hole is matched with the first threaded rod 507, and the first bevel gear 508 is meshed with the second bevel gear 509.
In this embodiment, the rotating wheel 510 drives the second bevel gear 509 to rotate, the second bevel gear 509 rotates to drive the first bevel gear 508 to rotate, the first bevel gear 508 rotates to drive the first threaded rod 507 to rotate, and the first threaded rod 507 rotates to drive the supporting block 506 to displace.
Referring to fig. 1 to 3, first tooth grooves are formed on two sides of the supporting block 506, and the first tooth grooves are meshed with the first spur gear 503.
In this embodiment, the support block 506 is displaced to drive the first straight gear 503 to rotate, the first straight gear 503 rotates to drive the rotating rod 504 to rotate, and the rotating rod 504 rotates to drive the roller 505 to displace.
Referring to fig. 4 to 5, the outer walls of the two ends of the movable rod 603 are attached to the inner wall of the movable frame 602, the outer wall of the fixed block 606 is provided with a second tooth slot, the second tooth slot is meshed with the second spur gear 604, the top end of the fixed block 606 is provided with a second threaded hole, and the second threaded hole is meshed with the second threaded rod 607.
In this embodiment, the first motor 608 operates to drive the second threaded rod 607 to rotate, the second threaded rod 607 rotates to drive the fixed block 606 to move upwards, the fixed block 606 is separated from the lower protection frame 2, then the lower protection frame 2 is pushed to move, at this time, the movable rod 603 slides in the movable frame 602 until the upper protection frame 1 and the lower protection frame 2 are separated, the movable rod 603 moves to one end of the movable frame 602, the first motor 608 is started to drive the fixed block 606 to move downwards, the fixed block 606 is moved to contact with the second spur gear 604, then the second spur gear 604 is driven to rotate, the second spur gear 604 rotates to drive the movable rod 603 to rotate, and the movable rod 603 rotates to drive the lower protection frame 2 to rotate.
Referring to fig. 6 to 8, the outer wall of the arc-shaped block 702 is arc-shaped, the outer wall of the arc-shaped block 702 is attached to the inner wall of the vertical plate 703, and a third tooth slot is disposed on the inner wall of the annular groove 701 and is engaged with the third spur gear 704.
In this embodiment, the second motor 706 operates to drive the connecting shaft 705 to rotate, the connecting shaft 705 rotates to drive the third spur gear 704 to rotate, and the third spur gear 704 rotates to drive the arc-shaped block 702 to slide in the vertical plate 703, so that the arc-shaped block 702 moves circumferentially.
Referring to fig. 6 to 8, a limiting ring 8 is fixedly connected to one end of the inner wall of the fixed cylinder 709, a limiting groove 9 is formed in the outer wall of the rotating tube 710, and the outer wall of the limiting ring 8 is attached to the inner wall of the limiting groove 9.
In the present embodiment, when the rotation tube 710 rotates in the fixed cylinder 709, the stopper ring 8 rotates in the stopper groove 9, thereby positioning the position of the rotation tube 710.
The foregoing description is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical solution of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.