A slag cleaning and transportation system for the curved bottom surface of a tunnel

Abstract

The present invention discloses a slag cleaning and transportation system for the curved bottom surface of a tunnel, comprising a central cleaning machine and side cleaning machines hingedly arranged on both sides of the central cleaning machine, wherein the central dust suction chamber in the central cleaning machine and the side dust suction chamber in the side cleaning machine are both connected to the lower end of a slag conveying pipe, and the upper end of the slag conveying pipe points to a garbage storage box arranged on a belt conveyor, and the belt conveyor is arranged longitudinally in the tunnel. The advantages of the present invention are: the cleaning machine uses a steel shell, a horizontal cleaning wheel disc with elastic steel wire brushes, and a transverse roller with a plurality of rows of steel wire brushes to clean large-mass slag into the chamber; the slag cleaning system adapts to the curved bottom surface of the tunnel by hingedly combining the central cleaning machine and the side cleaning machine; the slag conveying pipe is used to quickly transfer the slag in the central dust suction chamber and the side dust suction chamber to the garbage storage box on the belt conveyor for transportation, and the entire pipeline is closed to avoid dust flying.

Description

Technical Field

[0001] The invention belongs to the technical field of tunnel cleaning, and in particular relates to a slag cleaning and transportation system for the curved bottom surface of a tunnel. Background Art

[0002] In the prior art, the earth pressure balance shield machine uses a belt to transport the slag to the battery car used to transport the slag. In the process of transporting the slag and the construction, it is inevitable that the slag will fall and the debris will be scattered. In addition, the mortar transport truck flushes and cleans the slurry of the grouting pipeline, resulting in slag falling within the range of the trolley. The current cleaning method is mainly manual cleaning, and the cleaned slag is stored in the slag bag. However, the manual cleaning method is not only time-consuming and labor-intensive, but the storage of the slag bag will also affect the normal passage space of the battery car.

[0003] In addition, the bottom surface of the shield tunnel is an arc-shaped surface, and there are several bolt holes of the shield segments distributed on the arc-shaped bottom surface, which makes the arc-shaped bottom surface uneven and difficult to clean. Therefore, those skilled in the art are in urgent need of a cleaning and transportation system that can automatically clean the scum on the arc-shaped bottom surface of the tunnel. Summary of the invention

[0004] The object of the present invention is to provide a slag cleaning and transporting system for the curved bottom surface of a tunnel in accordance with the deficiencies of the above-mentioned prior art. The slag cleaning and transporting system is adapted to the cleaning conditions of the curved bottom surface of the tunnel by respectively hingedly arranging side sweepers on both sides of a central sweeper and adjusting the angles of the side sweepers. A liftable transverse roller is arranged on the bottom surface of the side sweeper to adapt to a number of bolt holes spaced apart on the bottom surface of the tunnel. A slag conveying pipeline is arranged to transfer the slag in real time to a garbage storage box on a belt conveyor for transport out.

[0005] The purpose of the present invention is achieved by the following technical solutions:

[0006] A slag cleaning and transportation system for the curved bottom surface of a tunnel, characterized in that the slag cleaning and transportation system comprises a central cleaning machine and side cleaning machines hingedly arranged on both sides of the central cleaning machine, the central dust suction chamber in the central cleaning machine and the side dust suction chamber in the side cleaning machine are both connected to the lower end of a slag conveying pipe, the upper end of the slag conveying pipe points to a garbage storage box arranged on a belt conveyor, and the belt conveyor is arranged along the longitudinal length in the tunnel;

[0007] The central cleaning machine comprises a steel shell, a first square dust suction port is provided on the front bottom of the steel shell, and a horizontal cleaning wheel disc is provided on both sides of the first square dust suction port; the first square dust suction port is connected to the central dust suction chamber in the steel shell, a transverse roller is provided in the central dust suction chamber, and a plurality of rows of wire brushes are distributed at intervals on the surface of the transverse roller; the rear end of the steel shell is connected to the slag conveying pipeline;

[0008] The side sweeper includes an arc-shaped box body, which is hinged to the steel shell and is provided with an angle adjustment mechanism, a longitudinal roller is arranged on the outer side of the bottom front of the arc-shaped box body, and a plurality of rows of wire brushes are spaced apart on the surface of the longitudinal roller; a second square dust suction port is arranged on the inner side of the rear part of the bottom surface of the arc-shaped box body, and the second square dust suction port is communicated with the side dust suction chamber in the arc-shaped box body, a liftable transverse roller is arranged in the side dust suction chamber, and a plurality of rows of wire brushes are spaced apart on the surface of the liftable transverse roller; the rear end of the side dust suction chamber is communicated with the slag conveying pipe.

[0009] The lower end of the slag conveying pipeline is bifurcated into three front end interfaces, which are respectively connected with the rear end of the middle dust suction chamber and the rear ends of the side dust suction chambers on both sides. A rotary conveyor belt is arranged in the slag conveying pipeline, and a plurality of transverse partitions are spaced apart on the rotary conveyor belt.

[0010] A circle of elastic steel wire brushes is arranged at intervals on the outer edge of the horizontal cleaning wheel, and the outer ends of the elastic steel wire brushes extend to the covering area of ​​the square dust suction port.

[0011] The elastic steel wire brush is in an arc-shaped downward bending shape, and the outer end of the elastic steel wire brush hangs down to the ground.

[0012] The bottom surface of the steel shell is provided with three running wheels, and the three running wheels form a triangular balanced distribution. The drooping height of the outer end of the elastic steel wire brush is flush with the lowest end of the running wheel.

[0013] A hinge device is arranged between the inner top of the arc-shaped box body and the outer top of the steel shell body to form a hinge; the angle adjustment mechanism includes a vertical rod fixedly arranged on the outer side of the top surface of the steel shell body, a slide groove is arranged on the top surface of the arc-shaped box body, and a plurality of limit holes are arranged on the two side walls of the slide groove, and an inclined rod is arranged between the vertical rod and the slide groove, the upper end of the inclined rod is hinged to the vertical rod, and the lower end of the inclined rod has a through hole, and the arc-shaped box body is limited and fixed by passing a pin through the through hole on the inclined rod and the limit hole on the slide groove.

[0014] The position of the second square dust suction port on the arc-shaped box body corresponds to the position of the bolt hole on the arc-shaped bottom surface of the tunnel after being adjusted by the angle adjustment mechanism, and the wire brush on the liftable transverse roller shaft extends into the bolt hole; the liftable transverse roller shaft is installed on the arc-shaped box body via a lifting mechanism, and the lifting mechanism includes an active cam and a driven wheel disc matched with the active cam, and the driven wheel disc is rotatably fixed on the driving box body of the liftable transverse roller shaft to drive the driving box body and the liftable transverse roller shaft to perform regular up and down lifting movements.

[0015] A push-pull operating rod is hingedly arranged on the top surface of the steel shell.

[0016] The advantages of the present invention are:

[0017] (1) The cleaning machine uses a steel shell, a horizontal cleaning wheel with elastic steel wire brushes, and a transverse roller with several rows of steel wire brushes to clean large-mass slag into the cavity;

[0018] (2) The slag cleaning system adapts to the curved bottom surface of the tunnel by articulating the middle cleaner and the side cleaner.

[0019] (3) By arranging a liftable transverse roller on the bottom surface of the side sweeper, the wire brush on it can extend downward to adapt to the several bolt holes spaced apart on the bottom surface of the tunnel;

[0020] (4) The slag conveying pipe is used to quickly transfer the floating slag in the middle suction chamber and the side suction chamber to the garbage storage box on the belt conveyor for transportation, thereby improving the cleaning efficiency and transportation efficiency. In addition, the entire pipe is closed to prevent dust from flying. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the slag cleaning and transportation system for the curved ground of the tunnel in the present invention;

[0022] Figure 2 It is an enlarged schematic detailed diagram of the slag cleaning and transportation system of the present invention;

[0023] Figure 3 It is a schematic diagram of the bottom plane layout of the slag cleaning and transportation system of the present invention;

[0024] Figure 4 A longitudinal sectional view of the middle sweeper of the present invention;

[0025] Figure 5 A schematic detailed diagram of the angle adjustment mechanism between the side sweeper and the middle sweeper of the present invention;

[0026] Figure 6 It is a partial schematic diagram of the lifting mechanism of the liftable transverse roller shaft in the present invention;

[0027] Figure 7 It is a side view of the slag conveying pipeline in the present invention. DETAILED DESCRIPTION

[0028] The features of the present invention and other related features are further described in detail below through embodiments in conjunction with the accompanying drawings to facilitate understanding by those skilled in the art:

[0029] like Figure 1-7 , the marks in the figure are: slag cleaning system 1, central cleaning machine 1a, side cleaning machine 1b, tunnel 2, steel shell 3, arc box 4, central dust suction chamber 5, transverse roller 6, wire brush 7, horizontal cleaning wheel 8, elastic wire brush 9, push-pull operating lever 10, liftable transverse roller 11, wire brush 12, longitudinal roller 13, wire brush 14, angle adjustment mechanism 15, vertical pole 15a, inclined rod 15b, slide 15c, limit hole 15d, bolt hole 16, second square dust suction port 17, running wheel 18, first square dust suction port 19, front end interface 20, front end interface 21, slag conveying pipeline 22, hinged device 23, side dust suction chamber 24, active cam 25, driving box 26, driven wheel 27, garbage storage box 28, belt conveyor 29, rotary conveyor belt 30, and transverse partition 31.

[0030] Example: Figure 1-7 As shown, the present embodiment specifically relates to a slag cleaning and transportation system for the curved bottom surface of a tunnel. The slag cleaning and transportation system 1 is arranged on the curved bottom surface of a tunnel 2. The shield tunnel 2 is composed of shield segments assembled in the circumferential direction and the longitudinal direction. Therefore, a plurality of bolt holes 16 are spaced apart on the curved bottom surface. The slag cleaning and transportation system mainly comprises a central cleaning machine 1a arranged in the center and side cleaning machines 1b hingedly arranged on both sides of the central cleaning machine 1a. The side cleaning machines 1b are controlled by the angle adjustment of the angle adjustment mechanism 15 to adapt to the curved bottom surface of the tunnel 2 and the spacing of the bolt holes 16, so as to realize the automatic and efficient removal of slag in the tunnel 2. In addition, the central dust suction chamber 5 in the central cleaning machine 1a and the side dust suction chamber 24 in the side cleaning machine 1b are both connected to the slag conveying pipe 22. The upper end of the slag conveying pipe 22 points to the garbage storage box 28 arranged on the belt conveyor 29. The belt conveyor 29 is arranged along the longitudinal length in the tunnel 2.

[0031] like Figure 1-4As shown, the central sweeper 1a includes a steel shell 3, and a first square dust suction port 19 is provided on the bottom surface of the steel shell 3, and the first square dust suction port 19 is connected to the central dust suction chamber 5 in the steel shell 3; a horizontal cleaning wheel 8 is respectively arranged on both sides of the first square dust suction port 19, and the horizontal cleaning wheel 8 is a certain distance away from the bottom surface of the tunnel 2. A circle of elastic steel wire brushes 9 are arranged at intervals on the outer edge of the horizontal cleaning wheel 8, and the outer end of the elastic steel wire brush 9 extends to the area where the first square dust suction port 18 is located. The elastic steel wire brush 9 is curved downward, and the outer end of the elastic steel wire brush 9 hangs down to the ground. In the process of the horizontal cleaning wheel 8 driving the elastic steel wire brush 9 to rotate at a high speed, the scum on the tunnel floor can be cleaned into the area of ​​the first square dust suction port 19 by means of the rigidity of the elastic steel wire brush 9. It should be noted that Figure 2 In order to clearly show the structure of each component, the elastic wire brush 9 is not hung down to the arc-shaped bottom surface of the tunnel 2 for display; a transverse roller 6 is also arranged in the aforementioned middle dust suction chamber 5, and the main body of the transverse roller 6 is located in the middle dust suction chamber 5. A plurality of rows of wire brushes 7 are arranged at intervals on the surface of the transverse roller 6. The outer end of the wire brush 7 can reach the bottom surface of the steel shell 3 or even lower during high-speed rotation, so that the scum cleaned by the horizontal cleaning wheel 8 to the first square dust suction port 19 area can be further guided into the middle dust suction chamber 5 by the high-speed rotating transverse roller 6 and the wire brush 7 thereon.

[0032] like Figure 1-4 As shown, the vertical cross-section of the middle dust suction chamber 5 is trapezoidal, and has a narrowed and outwardly protruding interface at the bottom of its rear end surface. The protruding interface is used to connect with the front end interface 21 of the slag conveying pipe 22. The inclined surface of the middle dust suction chamber 5 can facilitate guiding the sucked slag to fall into the rear end interface position.

[0033] like Figure 1-3As shown in Figures 5 and 6, the side sweeper 1b includes an arc-shaped box body 4, the bottom surface of which is an arc-shaped contour, and the top inner side of the arc-shaped box body 4 is hinged to the top outer side of the steel shell 3 through a hinge device 23, so that the angle can be rotated under the adjustment of the angle adjustment mechanism 15 to adapt to the distribution of the arc-shaped bottom surface and the bolt holes 16 thereon. A longitudinal roller 13 is arranged on the outer side of the bottom front of the arc box 4, and a plurality of rows of wire brushes 14 are arranged at intervals on the surface of the longitudinal roller 13, and the outer end of the wire brush 14 can contact the arc bottom surface of the tunnel 2; a second square dust suction port 17 is arranged on the inner side of the rear part of the bottom surface of the arc box 4, and the second square dust suction port 17 is connected with the side dust suction chamber 24 in the arc box 4, and a liftable transverse roller 11 is arranged in the side dust suction chamber 24, and a plurality of rows of wire brushes 12 are arranged at intervals on the surface of the liftable transverse roller 11, and the liftable transverse roller 11 can be lifted up and down under the drive of the lifting mechanism so as to remove the scum in the bolt hole 16 in a targeted manner; in addition, the rear end of the side dust suction chamber 24 is connected with the front end interface 20 of the slag conveying pipe 22, and the side dust suction chamber 24 is located at a relatively high position, so that the scum can slide into the front end interface 20 under the gravity potential energy. During operation, the longitudinal roller 13 at the front rotates at high speed, and uses its wire brush 14 to clean the scum at a relatively high position on the arc bottom surface to a low position, and then cleans it into the side dust suction chamber 24 through the wire brush 12 of the liftable transverse roller 11 at the rear.

[0034] like Figure 5 As shown, the angle adjustment mechanism 15 includes a vertically fixed upright rod 15a disposed on the outer side of the top surface of the steel shell 3, a slide groove 15c disposed on the top surface of the arc-shaped box body 4, the slide groove 15c is arranged in a circumferential direction, and a plurality of limiting holes 15d are disposed on the two side walls of the slide groove 15c, and an inclined rod 15b is disposed between the upright rod 15a and the slide groove 15c, the upper end of the inclined rod 15b is hinged to the upper end of the upright rod 15a, and the lower end of the inclined rod 15b has a through hole, and the arc-shaped box body 4 is limited and fixed by inserting a pin through the through hole on the inclined rod 15b and the limiting hole 15d on the slide groove 15c, so as to ensure that a certain angle is fixed, and the second square dust suction port 17 corresponds to the position of the bolt hole 16 on the arc bottom surface. Figure 6As shown, the liftable transverse roller 11 is further explained. The liftable transverse roller 11 is driven to rotate by a driving box 26. A driven wheel 27 is fixedly arranged at the end of the rotating shaft of the driving box 26. The driven wheel 27 cooperates with an active cam 25. The contour of the active cam 25 is designed according to the longitudinal spacing distance of the bolt holes 16 in the tunnel. The driven wheel 27 moves up and down with the outer contour of the active cam 25, so that during the working process, the liftable transverse roller 11 and its driving box 26 can be driven to rise to a high position at a position without a bolt hole 16, and can be lowered into the bolt hole 16 when passing through the bolt hole 16, so that the wire brush 12 on the liftable transverse roller 11 can clean the scum in the bolt hole 16.

[0035] like Figure 1-6 As shown, at least three running wheels 18 are arranged at the bottom of the steel shell 3, ensuring that the distribution of the three running wheels 18 can form a stable triangular support form, thereby stably supporting the running of the steel shell 4. In addition, a push-pull operating rod 8 is hingedly arranged on the top surface of the steel shell 4, and the staff only needs to hold the push-pull operating rod 8 during the cleaning process.

[0036] like Figure 1 , 3 As shown in FIG. 7 , the belt conveyor 29 is arranged along the longitudinal length of the tunnel 2, and the belt conveyor 29 is provided with the following Figure 7 An open garbage storage box 28 is shown, and the garbage storage box 28 moves slowly in the tunnel 2 along with the belt conveyor 29. The main pipe of the slag conveying pipe 22 is arranged upwardly in an inclined manner, and its lower end is bifurcated into three front end interfaces, namely front end interfaces 20 and 21. The front end interface 21 is connected to the rear end of the middle dust suction chamber 5 in the middle sweeper 1a, and the front end interface 20 is connected to the rear end of the side dust suction chamber 24 in the side sweeper 1b; the upper end of the slag conveying pipe 22 points to the garbage storage box 28, and a rotary conveyor belt 30 is arranged in the slag conveying pipe 22, and a plurality of transverse partitions 31 are distributed on the surface of the conveyor belt at intervals. As the rotary conveyor belt 30 rotates, the transverse partitions 31 can move the slag upward and transport it to the garbage storage box 28; it should be noted that the moving speed of the slag cleaning and transporting system 1 is the same as the speed of the belt conveyor 29, so the upper end of the slag conveying pipe 22 can always ensure to point to the garbage storage box 28. When the garbage storage box 28 is full of slag, the slag cleaning and transporting system 1 is shut down, and a new garbage storage box 28 is placed on the belt conveyor 29 again.

[0037] The beneficial effects of this embodiment are:

[0038] (1) The cleaning machine uses a steel shell, a horizontal cleaning wheel with elastic steel wire brushes, and a transverse roller with several rows of steel wire brushes to clean large-mass slag into the cavity;

[0039] (2) The slag cleaning system adapts to the curved bottom surface of the tunnel by articulating the middle cleaner and the side cleaner.

[0040] (3) By arranging a liftable transverse roller on the bottom surface of the side sweeper, the wire brush on it can extend downward to adapt to the several bolt holes spaced apart on the bottom surface of the tunnel;

[0041] (4) The slag conveying pipe is used to quickly transfer the floating slag in the middle suction chamber and the side suction chamber to the garbage storage box on the belt conveyor for transportation, thereby improving the cleaning efficiency and transportation efficiency. In addition, the entire pipe is closed to prevent dust from flying.

Claims

1. A slag cleaning and transportation system for the curved bottom surface of a tunnel, characterized in that The floating slag cleaning and transportation system comprises a central cleaning machine and side cleaning machines hingedly arranged on both sides of the central cleaning machine, the central dust suction chamber in the central cleaning machine and the side dust suction chamber in the side cleaning machine are both connected to the lower end of a slag conveying pipe, the upper end of the slag conveying pipe points to a garbage storage box arranged on a belt conveyor, and the belt conveyor is arranged along the longitudinal length in the tunnel; The central cleaning machine comprises a steel shell, a first square dust suction port is provided on the front bottom of the steel shell, and a horizontal cleaning wheel disc is provided on both sides of the first square dust suction port; the first square dust suction port is connected to the central dust suction chamber in the steel shell, a transverse roller is provided in the central dust suction chamber, and a plurality of rows of wire brushes are distributed at intervals on the surface of the transverse roller; the rear end of the steel shell is connected to the slag conveying pipeline; The side sweeper comprises an arc-shaped box body, which is hinged to the steel shell and is provided with an angle adjustment mechanism, a longitudinal roller is arranged on the outer side of the bottom front of the arc-shaped box body, and a plurality of rows of steel wire brushes are arranged at intervals on the surface of the longitudinal roller; a second square dust suction port is arranged on the inner side of the rear part of the bottom surface of the arc-shaped box body, and the second square dust suction port is connected with the side dust suction chamber in the arc-shaped box body, a liftable transverse roller is arranged in the side dust suction chamber, and a plurality of rows of steel wire brushes are arranged at intervals on the surface of the liftable transverse roller; the rear end of the side dust suction chamber is connected with the slag conveying pipe; A hinge device is provided between the inner top of the arc-shaped box body and the outer top of the steel shell body to form a hinge; the angle adjustment mechanism includes a vertical rod fixedly arranged on the outer side of the top surface of the steel shell body, a slide groove is provided on the top surface of the arc-shaped box body, and a plurality of limit holes are provided on the two side walls of the slide groove, and an inclined rod is provided between the vertical rod and the slide groove, the upper end of the inclined rod is hinged to the vertical rod, and the lower end of the inclined rod has a through hole, and the arc-shaped box body is limited and fixed by inserting a pin shaft through the through hole on the inclined rod and the limit hole on the slide groove; The position of the second square dust suction port on the arc-shaped box body corresponds to the position of the bolt hole on the arc-shaped bottom surface of the tunnel after being adjusted by the angle adjustment mechanism, and the wire brush on the liftable transverse roller shaft extends into the bolt hole; the liftable transverse roller shaft is installed on the arc-shaped box body via a lifting mechanism, and the lifting mechanism includes an active cam and a driven wheel disc matched with the active cam, and the driven wheel disc is rotatably fixed on the driving box body of the liftable transverse roller shaft to drive the driving box body and the liftable transverse roller shaft to perform regular up and down lifting movements.

2. A slag cleaning and transportation system for the curved bottom surface of a tunnel according to claim 1, characterized in that The lower end of the slag conveying pipeline is bifurcated into three front end interfaces, which are respectively connected with the rear end of the middle dust suction chamber and the rear ends of the side dust suction chambers on both sides. A rotary conveyor belt is arranged in the slag conveying pipeline, and a plurality of transverse partitions are spaced apart on the rotary conveyor belt.

3. A slag cleaning and transportation system for the curved bottom surface of a tunnel according to claim 1, characterized in that A circle of elastic steel wire brushes is arranged at intervals on the outer edge of the horizontal cleaning wheel, and the outer ends of the elastic steel wire brushes extend to the covering area of ​​the square dust suction port.

4. A slag cleaning and transporting system for the curved bottom surface of a tunnel according to claim 3, characterized in that The elastic steel wire brush is in an arc-shaped downward bending shape, and the outer end of the elastic steel wire brush hangs down to the ground.

5. A slag cleaning and transporting system for the curved bottom surface of a tunnel according to claim 4, characterized in that The bottom surface of the steel shell is provided with three running wheels, and the three running wheels form a triangular balanced distribution. The drooping height of the outer end of the elastic steel wire brush is flush with the lowest end of the running wheel.

6. A slag cleaning and transportation system for the curved bottom surface of a tunnel according to claim 1, characterized in that A push-pull operating rod is hingedly arranged on the top surface of the steel shell.

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