Slag discharging device of shield tunneling machine

Abstract

The utility model relates to the technical field of underground engineering construction, and discloses a shield tunneling machine deslagging device which comprises a main machine frame and a U-shaped deslagging channel fixedly connected to the upper surface of the main machine frame. According to the deslagging device of the shield tunneling machine, the abrasion-resistant lining plate can effectively prevent the U-shaped deslagging channel from being eroded and damaged by cut soil during operation of the shield tunneling machine, and the service life of the device is prolonged; according to the conveying mechanism, the mode that chain plates and partition plates are matched with each other is adopted for stably conveying muck falling onto the conveying mechanism, the chain plates can bear large materials and weight during conveying, the conveying mechanism is particularly suitable for heavy materials or materials in irregular shapes, the chain plates are good in performance under the wet or muddy or severe environment, and the conveying efficiency is improved. In addition, due to the rigid structure of the chain plate, the chain plate hardly slides, so that when large-particle or viscous materials are conveyed, the belt conveyor is more stable than a traditional belt conveyor, and conveyed muck is divided into a plurality of independent areas through the arranged partition plates.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of underground engineering construction, in particular to a shield machine slag discharge device. BACKGROUND

[0002] At present, in underground engineering construction, a shield machine is widely applied to tunnel excavation under various geological conditions as a main tunneling equipment.

[0003] The working principle of the shield machine is to cut soil through a cutter head, and then transport the cut soil to the rear and discharge the cut soil through a belt conveyor, however, the traditional shield machine slag discharge system has many problems, such as poor soil discharge and frequent blockage, which seriously affect the construction progress and safety, in order to solve the problems of easy poor soil discharge and blockage of the belt conveyor, the application provides a shield machine slag discharge device. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects of the prior art, the application provides a shield machine slag discharge device, which can improve the reliability and stability of the slag discharge process and reduce the frequency of blockage by cooperation of the chain plate and the partition plate.

[0005] To achieve the above purpose, the application provides the following technical scheme: a shield machine slag discharge device, comprising a main frame and a U-shaped slag discharge channel fixedly connected to the upper surface of the main frame, the inner wall of the U-shaped slag discharge channel is fixedly connected with a wear-resistant lining plate, the inside of the wear-resistant lining plate is provided with a conveying mechanism, the conveying mechanism comprises a plurality of chain wheels rotatably connected to the inner wall of the wear-resistant lining plate on both sides and two chains arranged in the wear-resistant lining plate, and a plurality of supporting rollers arranged in the wear-resistant lining plate, the two ends of the supporting rollers are fixedly connected with the chain wheels on both sides respectively, the plurality of chain wheels are drivingly connected through the two chains respectively, a chain plate is installed between the two chains, the outer surface of the chain plate is fixedly connected with uniformly distributed partition plates, L-shaped baffles are fixedly connected to the inner wall of the wear-resistant lining plate on both sides, a servo motor is fixedly connected to the outer surface of the U-shaped slag discharge channel, the output shaft end of the servo motor is fixedly connected with a speed reducer, the output end of the speed reducer is fixedly connected with the rotating shaft end of the corresponding chain wheel, and a dredging device is arranged at the bottom of the U-shaped slag discharge channel.

[0006] The wear-resistant lining plate can effectively prevent the erosion of the cut soil on the U-shaped slag discharge channel during the operation of the shield machine, prolong the service life of the device, and the conveying mechanism can stably convey the slag falling from above through the cooperation of the chain plate and the partition plate. The chain plate can carry heavy materials and weights, and is particularly suitable for heavy or irregularly shaped materials. The chain plate performs well in wet, muddy or harsh environments. In addition, the chain plate hardly slips due to its rigid structure, so it is more stable than traditional belt conveyors when conveying materials with large particles or viscosity. The partition plate divides the slag into multiple independent areas, effectively dispersing the load pressure of the chain plate and preventing the chain plate from being overloaded or unbalanced on one side, thereby prolonging the service life of the conveying mechanism.

[0007] Further, the number of sprockets on one side of the wear-resistant lining plate is equal to the sum of the number of all supporting rollers, and the plurality of supporting rollers are located inside the chain plate.

[0008] By limiting the position and number of supporting rollers, the slag can be conveniently and stably conveyed.

[0009] Further, the dredging device comprises three high-pressure nozzles fixedly connected to the bottom of the U-shaped slag discharge channel, and a multi-head communication pipe is arranged outside the U-shaped slag discharge channel, and the input ends of the three high-pressure nozzles are in communication with the output end of the multi-head communication pipe.

[0010] Through the above scheme, the water conveyed in the multi-head communication pipe can be output to the bottom of the U-shaped slag discharge channel through the three high-pressure nozzles, so as to flush the bottom of the U-shaped slag discharge channel and regularly clean the accumulated sundries.

[0011] Further, the input end of the multi-head communication pipe is communicated with a water delivery pipe, the input end of the water delivery pipe is fixedly connected with a liquid pump, and the liquid pump is fixedly connected to the upper surface of the main frame.

[0012] Through the above scheme, when the liquid pump is started, the external water source can be sucked into the water delivery pipe, and then the water in the water delivery pipe can be conveyed into the multi-head communication pipe.

[0013] Further, the input end of the liquid pump is fixedly connected with an external connector, the upper surface of the main frame is fixedly connected with a support, and the outer surface of the water delivery pipe is fixedly connected to the inner wall of the support.

[0014] Through the above scheme, the external connector can be conveniently connected with the external water supply equipment, and the flushing work of the bottom of the U-shaped slag discharge channel can be facilitated. The support can reinforce the water delivery pipe, so that the water delivery pipe can convey the water source more stably.

[0015] Further, the outer part of the U-shaped slag outlet channel is provided with a sewage suction pump, the input end of the sewage suction pump is communicated with a sewage suction pipe, and the sewage suction pipe is located at the inner bottom of the U-shaped slag outlet channel.

[0016] Through the above scheme, when the sewage suction pump is started, the residues at the bottom of the U-shaped slag outlet channel can be extracted and discharged through the sewage suction pipe, thereby optimizing the effect of regular cleaning.

[0017] Further, the outer surface of the U-shaped slag outlet channel is fixedly connected with a controller, and the electrical elements in the conveying mechanism and the dredging device are electrically connected with the controller.

[0018] Through the above scheme, the controller can be conveniently arranged to control the work of the electrical elements in the conveying mechanism and the dredging device, thereby facilitating operation.

[0019] Further, the upper surface of the main rack is fixedly connected with four reinforcing columns, and the top ends of the four reinforcing columns are fixedly connected to the bottom of the U-shaped slag outlet channel.

[0020] Through the above scheme, the reinforcing columns can be arranged to stably fix the U-shaped slag outlet channel to the upper surface of the main rack.

[0021] Compared with the prior art, the technical scheme of the present application has the following beneficial effects:

[0022] The slag outlet device of the shield machine can effectively prevent the cut soil from eroding the U-shaped slag outlet channel during the operation of the shield machine, thereby prolonging the service life of the device. The conveying mechanism adopts a chain plate and a partition plate to stably convey the slag falling from above. The chain plate conveying can bear a large amount of material and weight, and is particularly suitable for heavy or irregularly shaped materials. The chain plate performs well in wet, muddy or harsh environments. In addition, the chain plate hardly slips due to its rigid structure, so it is more stable than the traditional belt conveyor when conveying large particles or viscous materials. The partition plate divides the conveyed slag into multiple independent areas, effectively disperses the load pressure of the chain plate, and avoids excessive or uneven load on the single side of the chain plate, thereby prolonging the service life of the conveying mechanism. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The first overall structure of the structure of the present application is shown in the figure;

[0024] Figure 2 The second overall structure of the structure of the present application is shown in the figure;

[0025] Figure 3 The local plane structure of the structure of the present application is shown in the figure;

[0026] Figure 4It is a schematic view of a partial top view of the structure of the present application.

[0027] In the figure:

[0028] 1, main frame; 2, U-shaped slag discharge channel; 3, wear-resistant lining plate; 4, conveying mechanism; 401, chain wheel; 402, chain; 403, supporting roller; 404, chain plate; 405, partition plate; 406, L-shaped baffle; 407, servo motor; 408, speed reducer; 5, dredging device; 501, high-pressure nozzle; 502, multi-head communication pipe; 503, water delivery pipe; 504, liquid pump; 505, outer connector; 506, sewage suction pump; 507, sewage suction pipe; 508, support; 6, controller; 7, reinforcing column. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0030] Please refer to Figure 1 , Figure 3 and Figure 4 , the slag discharge device of the shield machine in the embodiment comprises a main frame 1 and a U-shaped slag discharge channel 2 fixedly connected to the upper surface of the main frame 1, and the inner wall of the U-shaped slag discharge channel 2 is fixedly connected with a wear-resistant lining plate 3, the inside of the wear-resistant lining plate 3 is provided with a conveying mechanism 4, the conveying mechanism 4 comprises a plurality of chain wheels 401 rotatably connected to the inner walls of the wear-resistant lining plate 3 on both sides and two chains 402 arranged in the wear-resistant lining plate 3, and a plurality of supporting rollers 403 arranged in the wear-resistant lining plate 3, the number of chain wheels 401 arranged on one side of the wear-resistant lining plate 3 is equal to the number of all supporting rollers 403, the two ends of each supporting roller 403 are fixedly connected with the chain wheels 401 on both sides, by limiting the position and number of the supporting rollers 403, the work of stably conveying the slag soil can be facilitated, the plurality of chain wheels 401 are drivingly connected with the two chains 402 respectively, and the chain plate 404 is arranged between the two chains 402, when one chain wheel 401 rotates, the chain plate 404 can be driven to rotate by the arranged chain 402 and supporting roller 403.

[0031] Please refer to Figure 1 , Figure 2 and Figure 3The outer surface of the U-shaped slag outlet channel 2 is fixedly connected with a servo motor 407, the output shaft end of the servo motor 407 is fixedly connected with a speed reducer 408, the output end of the speed reducer 408 is fixedly connected with the rotating shaft end of the corresponding chain wheel 401, when the servo motor 407 is started, the corresponding chain wheel 401 can be driven to rotate through the speed reducer 408, through the rotation of the chain wheel 401, the chain plate 404 can be driven to rotate by the chain 402 and the supporting roller 403, when the chain plate 404 rotates, the slag soil falling on the surface of the chain plate 404 can be transported, the slag soil is the slag soil cut off by the shield machine during operation, the outer surface of the chain plate 404 is fixedly connected with uniformly distributed partition plates 405, the partition plates 405 are arranged on the chain plate 404 to divide the soil transported above the chain plate 404 into multiple independent areas, so that the bearing pressure of the chain plate 404 can be effectively dispersed, and the service life of the conveying mechanism 4 can be prolonged, the two sides of the inner wall of the wear-resistant lining plate 3 are fixedly connected with L-shaped baffles 406, the L-shaped baffles 406 are arranged to reduce the probability of large-particle slag soil entering the chain 402, so that the transmission of the chain 402 is not affected by the large-particle slag soil, and more stable slag soil conveying work is realized.

[0032] It should be noted that the device cooperates the chain plate 404 and the partition plate 405 to stably convey the slag soil generated by the shield machine, the chain plate 404 can convey materials with large load and weight, and is particularly suitable for heavy or irregularly shaped materials such as slag soil and stone blocks, even if the materials are uneven or contain large particles, the chain plate 404 can also stably convey, and the chain plate 404 performs well in humid, muddy or harsh environments, they are not easily affected by environmental factors such as soil adhesion, humidity, temperature change, etc., and the chain plate 404 almost does not slip due to its rigid structure, therefore, for the slag soil which has high humidity, large particles and may contain impurities, the stability of the chain plate 404 conveying system is usually better than that of the belt conveyor.

[0033] Please refer to Figure 2 , Figure 3 and Figure 4The bottom of the U-shaped slag outlet channel 2 is provided with a dredging device 5, the dredging device 5 comprises three high-pressure nozzles 501 fixedly connected to the bottom of the U-shaped slag outlet channel 2, the U-shaped slag outlet channel 2 is externally provided with a multi-head communication pipe 502, the input ends of the three high-pressure nozzles 501 are in communication with the output end of the multi-head communication pipe 502, the water conveyed in the multi-head communication pipe 502 can be output to the bottom of the U-shaped slag outlet channel 2 through the three high-pressure nozzles 501 respectively, so that the bottom of the U-shaped slag outlet channel 2 can be flushed, and the accumulated sundries can be cleaned regularly, the input end of the multi-head communication pipe 502 is in communication with a water conveying pipe 503, the input end of the water conveying pipe 503 is fixedly connected with a liquid pump 504, the liquid pump 504 is fixedly connected to the upper surface of the main rack 1, when the liquid pump 504 is started, the external water source can be sucked into the water conveying pipe 503, and then the water in the water conveying pipe 503 can be conveyed into the multi-head communication pipe 502, the input end of the liquid pump 504 is fixedly connected with an external connector 505, the upper surface of the main rack 1 is fixedly connected with a support 508, the outer surface of the water conveying pipe 503 is fixedly connected to the inner wall of the support 508, the external connector 505 can be conveniently connected with the external water supply equipment, and after being connected with the external water supply equipment, the liquid pump 504 can be started to convey the external water into the multi-head communication pipe 502 through the water conveying pipe 503, and finally sprayed on the bottom of the U-shaped slag outlet channel 2 through the three high-pressure nozzles 501, so that the accumulated sundries on the bottom of the U-shaped slag outlet channel 2 can be flushed, and the water conveying pipe 503 can be reinforced by the support 508, so that the water conveying pipe 503 can convey water more stably.

[0034] Please refer to Figure 1 、 Figure 2 and Figure 3 The U-shaped slag outlet channel 2 is externally provided with a sewage suction pump 506, the input end of the sewage suction pump 506 is in communication with a sewage suction pipe 507, and the sewage suction pipe 507 is located at the inner bottom of the U-shaped slag outlet channel 2, so that when the sewage suction pump 506 is started, the residual material at the bottom of the U-shaped slag outlet channel 2 can be sucked and discharged through the sewage suction pipe 507, thereby optimizing the effect of regularly cleaning the inside of the U-shaped slag outlet channel 2, preventing the accumulation of a large amount of residual material from affecting the smooth conveying of the slag, and the outer surface of the U-shaped slag outlet channel 2 is fixedly connected with a controller 6, and the electrical elements in the conveying mechanism 4 and the dredging device 5 are electrically connected with the controller 6, so that the controller 6 can conveniently control the work of the electrical elements in the conveying mechanism 4 and the dredging device 5, facilitating operation, and the upper surface of the main rack 1 is fixedly connected with four reinforcing columns 7, the top ends of the four reinforcing columns 7 are fixedly connected to the bottom of the U-shaped slag outlet channel 2, and the reinforcing columns 7 can make the U-shaped slag outlet channel 2 more stably fixed on the upper surface of the main rack 1.

[0035] The shield machine slagging device in the embodiment can effectively prevent the cut soil from causing erosion damage to the U-shaped slagging channel 2 during the operation of the shield machine, prolong the service life of the device, and stably transport the slag soil falling on the top thereof through the cooperation of the chain plate 404 and the partition plate 405. The chain plate 404 can carry a large amount of material and weight, and is particularly suitable for heavy or irregularly shaped materials. The chain plate 404 performs well in wet, muddy or harsh environments. In addition, the chain plate 404 hardly slips due to its rigid structure, and is more stable than the traditional belt conveyor when transporting large particles or viscous materials. The partition plate 405 divides the transported slag soil into multiple independent areas, effectively disperses the load pressure of the chain plate 404, and avoids one-sided chain plate 404 overload or imbalance, thereby prolonging the service life of the conveying mechanism 4.

[0036] The working principle of the above embodiment is as follows: when the shield machine is operated, the cut soil falls into the U-shaped slagging channel 2, is protected by the wear-resistant lining plate 3, and is smoothly transported to the end of the chain plate 404. At this time, the servo motor 407 is started, and then the reducer 408 is used for speed reduction and torque increase, so as to drive the corresponding sprocket 401 to rotate, cooperate with the two chains 402, and drive the plurality of sprockets 401 and the corresponding supporting rollers 403 to rotate, finally realize the operation of the chain plate 404, and cooperate with the partition plate 405 fixedly connected to the surface of the chain plate 404 to uniformly push the soil generated during the operation of the shield machine to the outlet. At the same time, the dredging device 5 can be opened at regular intervals to clean the bottom of the U-shaped slagging channel 2. Through the external connection head 505, the external water source is connected, and then the liquid pump 504 is started to transport the external water source to the multi-head communication pipe 502 through the water delivery pipe 503, and then the three high-pressure nozzles 501 are used to spray the bottom of the U-shaped slagging channel 2, so that the sundries can be washed out of the bottom of the U-shaped slagging channel 2. Then, the sewage suction pipe 507 is placed at the bottom of the U-shaped slagging channel 2, and the sewage suction pump 506 is started to suck the residual material at the bottom of the U-shaped slagging channel 2, so that the inside of the U-shaped slagging channel 2 is kept unobstructed, which is beneficial to stably transporting the slag soil.

[0037] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting; it is not intended to exclude myriad other embodiments of the present application that other inventors can develop based on the same general inventive concepts embodied by the enclosed claims. That is, although the present application is described in terms of particular embodiments and illustrative figures, it should be apparent that the application can be varied in a multitude of ways. Such alterations, many of which will be apparent to those skilled in the art, can be based on current technology, and as such, this application should not be limited to the particular embodiments described herein, but should be understood to include all embodiments that are within the scope of the appended claims and their equivalents.

[0038] While the embodiments of the application have been shown and described herein, it will be understood by those skilled in the art that many changes, modifications, substitutions and alterations to these embodiments can be made without departing from the principles and spirits of the application, which can be limited only by the scope of the appended claims and their equivalents.

Claims

1. A shield tunneling machine slag discharging device, comprising a main frame (1) and a U-shaped slag discharging channel (2) fixedly connected to the upper surface of the main frame (1), characterized in that: The inner wall of the U-shaped slag outlet channel (2) is fixedly connected with a wear-resistant lining plate (3), the inside of the wear-resistant lining plate (3) is provided with a conveying mechanism (4), the conveying mechanism (4) comprises a plurality of chain wheels (401) rotatably connected to the inner wall of the wear-resistant lining plate (3) on both sides, two chains (402) arranged in the wear-resistant lining plate (3), and a plurality of supporting rollers (403) arranged in the wear-resistant lining plate (3), both ends of the supporting roller (403) are fixedly connected with the chain wheels (401) on both sides respectively, the plurality of chain wheels (401) are drivingly connected through the two chains (402) respectively, a chain plate (404) is arranged between the two chains (402), the outer surface of the chain plate (404) is fixedly connected with evenly distributed partition plates (405), the inner wall of the wear-resistant lining plate (3) is fixedly connected with L-shaped baffles (406) on both sides, the outer surface of the U-shaped slag outlet channel (2) is fixedly connected with a servo motor (407), the output shaft end of the servo motor (407) is fixedly connected with a speed reducer (408), the output end of the speed reducer (408) is fixedly connected with the rotating shaft end of the corresponding chain wheel (401), and the bottom of the U-shaped slag outlet channel (2) is provided with a dredging device (5).

2. The shield machine deslagging device according to claim 1, characterized in that: The number of chain wheels (401) arranged on one side of the wear-resistant lining plate (3) is equal to the number of supporting rollers (403), and the plurality of supporting rollers (403) are located in the inside of the chain plate (404).

3. The shield machine deslagging device according to claim 1, characterized in that: The dredging device (5) comprises three high-pressure nozzles (501) fixedly connected to the bottom of the U-shaped slag outlet channel (2), and the outside of the U-shaped slag outlet channel (2) is provided with a multi-head communication pipe (502), and the input ends of the three high-pressure nozzles (501) are in communication with the output end of the multi-head communication pipe (502).

4. The shield machine deslagging device according to claim 3, characterized in that: The input end of the multi-head communication pipe (502) is communicated with a water delivery pipe (503), the input end of the water delivery pipe (503) is fixedly connected with a liquid pump (504), and the liquid pump (504) is fixedly connected to the upper surface of the main rack (1).

5. The TBM mucking device of claim 4, wherein: The input end of the liquid pump (504) is fixedly connected with an outer connector (505), the upper surface of the main rack (1) is fixedly connected with a support (508), and the outer surface of the water delivery pipe (503) is fixedly connected to the inner wall of the support (508).

6. The shield machine deslagging device according to claim 3, characterized in that: The outside of the U-shaped slag outlet channel (2) is provided with a sewage suction pump (506), the input end of the sewage suction pump (506) is communicated with a sewage suction pipe (507), and the sewage suction pipe (507) is located in the inner bottom of the U-shaped slag outlet channel (2).

7. The shield machine deslagging device according to claim 1, characterized in that: The outer surface of the U-shaped slag outlet channel (2) is fixedly connected with a controller (6), and the electrical elements in the conveying mechanism (4) and the dredging device (5) are electrically connected with the controller (6).

8. The shield machine deslagging device according to claim 1, characterized in that: The upper surface of the main rack (1) is fixedly connected with four reinforcing columns (7), and the top ends of the four reinforcing columns (7) are fixedly connected to the bottom of the U-shaped slag outlet channel (2).

Images