Interval type shield tunnel deslagging belt conveyor

Abstract

The utility model relates to the technical field of deslagging belt conveyors, in particular to an interval type shield tunnel deslagging belt conveyor which comprises a connection channel and a shield tunnel on one side, a first belt conveyor is arranged in the shield tunnel, and a second belt conveyor is arranged in the connection channel. The baffle plate is driven by the piston rod of the air cylinder to slide on the fixing frame, the baffle plate can slide to the bottom of the fixing frame to temporarily shield materials conveyed by the first belt conveyor, and soil materials on the second belt conveyor can be alternately input to a blank position on one side of the first belt conveyor to be conveyed. Soil materials in the connection channel are alternately conveyed to the first belt conveyor at intervals to be output, the phenomenon that muck on the first belt conveyor is accumulated and overflows is avoided, and then overload, jamming and even equipment damage of the muck discharging belt conveyor are avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of muck removal conveyor belts, specifically an intermittent shield tunnel muck removal conveyor belt. Background Technology

[0002] With the rapid development of urban underground space development and transportation tunnel engineering, shield tunneling has become the mainstream technology for tunnel construction due to its high efficiency and safety. During shield tunneling, efficient transportation of excavated soil is a key link to ensure construction continuity and project progress. Excavated soil is usually transported by conveyor belt.

[0003] During the transportation of excavated soil in shield tunnels, the muck removal conveyor belt also needs to handle the excavated soil inside the connecting passage. The excavated soil inside the connecting passage is fed into the muck removal conveyor belt for synchronous transportation, which can cause excessive muck on the muck removal conveyor belt. This can lead to the accumulation and overflow of muck on the muck removal conveyor belt, which in turn can cause the muck removal conveyor belt to overload, jam, or even damage the equipment. Therefore, an intermittent shield tunnel muck removal conveyor belt was designed. Utility Model Content

[0004] The purpose of this utility model is to provide an intermittent shield tunnel muck removal conveyor belt to solve the problem mentioned in the background art, where the muck inside the connecting passage is fed into the muck removal conveyor belt for synchronous transportation, which causes excessive muck on the muck removal conveyor belt, resulting in the accumulation and overflow of muck on the muck removal conveyor belt, which in turn leads to overload, jamming, or even damage to the muck removal conveyor belt.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an intermittent shield tunnel muck removal conveyor belt, comprising a connecting passage and a shield tunnel on one side. A first conveyor belt is installed inside the shield tunnel, and a second conveyor belt is installed inside the connecting passage. The first and second conveyor belts have identical structures. Both the first and second conveyor belts include a support frame. A drive motor is fixedly connected to the surface of the support frame. A conveyor roller is fixedly connected to the output shaft of the drive motor. A conveyor belt is drivenly connected to the surface of the conveyor roller. A protective plate is fixedly connected to the surface of the support frame. A shielding mechanism is provided on the surface of the first conveyor belt. The shielding mechanism includes a fixed frame, which is fixedly connected to the surface of the support frame. A protective plate is fixedly connected to the surface of the fixed frame. A cylinder has a piston rod with a baffle plate fixedly connected to it. Slider blocks are fixedly connected to both sides of the baffle plate and slidably connected to the surface of a fixed frame. A delayed touch control button is fixedly connected to the surface of the fixed frame. An input line is fixedly connected to the output end of the delayed touch control button, and the end of the input line away from the delayed touch control button is fixedly connected to the input end of the cylinder. A trigger mechanism is provided on one side of the second belt conveyor. The trigger mechanism includes a connecting frame, which is fixedly connected to one side of a support frame. A reciprocating screw is rotatably connected to the surface of the connecting frame, and one end of the reciprocating screw passes through the connecting frame and the support frame and is fixedly connected to one end of the conveyor roller. A square nut is threaded onto the surface of the reciprocating screw, and a trigger block is fixedly connected to the surface of the square nut.

[0006] Preferably, the fixing frame is U-shaped, and a guide groove is provided on the inner side of the fixing frame. The slider slides on the guide groove of the fixing frame, and the baffle plate slides up and down on the surface of the fixing frame by the slider.

[0007] Preferably, the slider is provided with two sets of baffles at a height higher than the slider, and the cylinder drives the baffles to slide and rise on the surface of the fixed frame via a piston rod.

[0008] Preferably, the drive motor drives the conveyor roller to rotate on the support frame via the output shaft, and the conveyor roller drives the conveyor belt to convey materials on the second belt conveyor via the rotation, and the conveyor roller drives the reciprocating screw to rotate synchronously on the surface of the connecting frame.

[0009] Preferably, the reciprocating lead screw drives the square nut to slide on the surface of the trigger block by rotation, and the square nut slides back and forth on the connecting frame, and the square nut drives the trigger block to slide back and forth on the surface of the connecting frame.

[0010] Preferably, the trigger block is semi-cylindrical in shape, and the trigger block continuously triggers the delayed touch control button during its reciprocating movement.

[0011] Preferably, the delayed touch control button outputs a control signal to the cylinder via an input line, and the cylinder adjusts the specific position of the baffle on the fixed frame based on the control signal from the delayed touch control button.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. In this slag discharge conveyor belt, during the transportation of soil by multiple sets of first conveyor belts, soil inside the connecting channel also needs to be transported. At this time, the baffle plate slides on the surface of the fixed frame via a slider, and the cylinder drives the baffle plate to slide on the fixed frame via a piston rod. The baffle plate can slide to the bottom of the fixed frame to temporarily block the material transported by the first conveyor belt. At this time, the soil on the second conveyor belt can be fed into the blank space on one side of the first conveyor belt for transportation. After the soil is fed into the second conveyor belt, in order to prevent the soil on the first conveyor belt from accumulating at the baffle plate, the second conveyor belt stops transporting soil, and the cylinder opens the baffle plate via the piston rod, so that the first conveyor belt continues to transport soil. In this intermittent manner, the soil inside the connecting channel is fed into the first conveyor belt for output, avoiding the accumulation and overflow of slag on the first conveyor belt, thereby avoiding overload, jamming, or even damage to the slag discharge conveyor belt.

[0014] 2. In this slag discharge conveyor belt, as the drive motor drives the conveyor roller to rotate via the output shaft, the conveyor roller transports the soil to the first conveyor belt via the conveyor belt. At this time, the conveyor roller drives the reciprocating screw to rotate on the connecting frame. The connecting frame drives the square nut to slide back and forth on the connecting frame through rotation. The square nut drives the trigger block to press and trigger the delayed touch control button at intervals. The delayed touch control button sends a signal to the cylinder through the input line. When the delayed touch control button is not triggered after the timeout, or when it is always triggered, the cylinder drives the baffle plate to rise through the piston rod. At this time, the second conveyor belt is not transporting soil, and the baffle plate is open to facilitate the transport of soil by the first conveyor belt. The drive end of the second conveyor belt linked by this triggering mechanism can accurately cooperate with the baffle mechanism on the first conveyor belt, thereby achieving precise intermittent baffle and ensuring the stability of soil transport. Attached Figure Description

[0015] Figure 1 This is a top view of the overall structure of this utility model;

[0016] Figure 2 This is a three-dimensional front view of the structure of this utility model;

[0017] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A;

[0018] Figure 4 This is a frontal sectional perspective view of the shielding mechanism of this utility model.

[0019] Figure 5 This is a frontal sectional perspective view of one end of the second belt conveyor of this utility model.

[0020] In the diagram: 1. Connecting passage; 11. Shield tunnel; 2. First belt conveyor; 21. Second belt conveyor; 22. Support frame; 23. Drive motor; 24. Conveyor roller; 25. Conveyor belt; 26. Protective plate; 3. Fixing frame; 31. Cylinder; 32. Slider; 33. Baffle plate; 34. Input line; 35. Delayed touch control button; 4. Connecting frame; 41. Reciprocating lead screw; 42. Square nut; 43. Trigger block. Detailed Implementation

[0021] Please see Figure 1-5 One embodiment provided by this utility model:

[0022] An intermittent shield tunnel muck removal conveyor belt includes a connecting passage 1 and a shield tunnel 11 on one side. A first conveyor belt 2 is installed inside the shield tunnel 11, and a second conveyor belt 21 is installed inside the connecting passage 1. The first and second conveyor belts 2 and 21 have identical structures. Both conveyor belts 2 and 21 include a support frame 22. A drive motor 23 is fixedly connected to the surface of the support frame 22. A conveyor roller 24 is fixedly connected to the output shaft of the drive motor 23. A conveyor belt 25 is drivenly connected to the surface of the conveyor roller 24. A conveyor belt 25 is fixedly connected to the surface of the support frame 22. A shielding mechanism is provided on the surface of the protective plate 26 and the first belt conveyor 2. The shielding mechanism includes a fixed frame 3, which is fixedly connected to the surface of the support frame 22. A cylinder 31 is fixedly connected to the surface of the fixed frame 3. A shielding plate 33 is fixedly connected to the piston rod of the cylinder 31. Slider blocks 32 are fixedly connected to both sides of the shielding plate 33 and are slidably connected to the surface of the fixed frame 3. A delayed touch control button 35 is fixedly connected to the surface of the fixed frame 3. An input line 34 is fixedly connected to the output end of the delayed touch control button 35. The input line 34 is located away from the delayed touch control button. One end of button 35 is fixedly connected to the input end of cylinder 31. A triggering mechanism is provided on one side of the second belt conveyor 21. The triggering mechanism includes a connecting frame 4, which is fixedly connected to one side of support frame 22. A reciprocating screw 41 is rotatably connected to the surface of the connecting frame 4, and one end of the reciprocating screw 41 passes through the connecting frame 4 and support frame 22 and is fixedly connected to one end of the conveyor roller 24. A square nut 42 is threaded onto the surface of the reciprocating screw 41, and a trigger block 43 is fixedly connected to the surface of the square nut 42. Its blocking mechanism can intermittently block the first belt conveyor 2. The shielding mechanism allows the slag on the second conveyor belt 21 to be fed onto the first conveyor belt 2 for transport, preventing the slag on the first conveyor belt 2 from accumulating and overflowing. This avoids overloading, jamming, or even damage to the slag discharge conveyor belt. Furthermore, the triggering mechanism is driven by the conveyor roller 24 on the second conveyor belt 21, which in turn links with the shielding mechanism. When the second conveyor belt 21 is not conveying material, the shielding plate 33 automatically opens, and when the second conveyor belt 21 is conveying material, the shielding plate 33 blocks the first conveyor belt 2, achieving precise intermittent material conveying.

[0023] Furthermore, the fixing frame 3 is U-shaped, and a guide groove is provided on the inner side of the fixing frame 3. The slider 32 slides on the guide groove of the fixing frame 3, and the baffle plate 33 slides and rises and falls on the surface of the fixing frame 3 via the slider 32. The baffle plate 33 can slide on the first belt conveyor 2 to the surface of the conveyor roller 24, thereby temporarily blocking the material conveyed by the first belt conveyor 2, so that the second belt conveyor 21 can insert some material on the first belt conveyor 2, and realize the simultaneous transportation of soil material inside the shield tunnel 11 and soil material in the connecting passage 1.

[0024] Furthermore, the slider 32 is equipped with two sets of baffles 33, which are higher than the slider 32. The cylinder 31 drives the baffles 33 to slide and rise on the surface of the fixed frame 3 via the piston rod. When the first conveyor belt 2 transports materials, the baffles 33 rise. When the first conveyor belt 2 passes through soil, the baffles 33 fall to block the soil on the first conveyor belt 2, ensuring that the soil from the second conveyor belt 21 is transported to the blank area of ​​the first conveyor belt 2. Intermittent passing is used to avoid excessive soil on the first conveyor belt 2.

[0025] Furthermore, the drive motor 23 drives the conveyor roller 24 to rotate on the support frame 22 via the output shaft. The conveyor roller 24 drives the conveyor belt 25 to convey materials on the second belt conveyor 21 via rotation. The conveyor belt 25 on the second belt conveyor 21 can transport soil to the conveyor belt 25 on the first belt conveyor 2 for soil transport. The conveyor roller 24 drives the reciprocating screw 41 to rotate synchronously on the surface of the connecting frame 4, thereby realizing the linkage between the second belt conveyor 21 conveying soil and the triggering mechanism.

[0026] Furthermore, the reciprocating screw 41 drives the square nut 42 to slide on the surface of the trigger block 43 by rotation, and the square nut 42 slides back and forth on the connecting frame 4. The square nut 42 drives the trigger block 43 to slide back and forth on the surface of the connecting frame 4. The trigger block 43 and the delayed touch control button 35 are on the same horizontal plane. During the sliding process, the trigger block 43 will come into contact with the delayed touch control button 35.

[0027] Furthermore, the trigger block 43 is semi-cylindrical in shape. During the reciprocating movement of the trigger block 43, it continuously triggers the delayed touch control button 35, causing the delayed touch control button 35 to be pressed on the communication channel 1, thereby triggering the cylinder 31 to output.

[0028] Furthermore, the delayed touch control button 35 outputs a control signal to the cylinder 31 via the input line 34. The cylinder 31 adjusts the specific position of the baffle 33 on the fixed frame 3 via the control signal of the delayed touch control button 35. When the delayed touch control button 35 is continuously triggered, the cylinder 31 keeps the baffle 33 at the bottom of the fixed frame 3 via the piston rod. When the delayed touch control button 35 is not triggered after the timeout, or when it is triggered continuously, the cylinder 31 drives the baffle 33 to rise via the piston rod. At this time, the second belt conveyor 21 is not transporting soil, and the baffle 33 is opened to facilitate the transport of soil by the first belt conveyor 2.

[0029] Working principle: During the transportation of soil by multiple sets of first belt conveyors 2, the soil inside the connecting channel 1 also needs to be transported. At this time, the baffle plate 33 slides on the surface of the fixed frame 3 via the slider 32, and the cylinder 31 drives the baffle plate 33 to slide on the fixed frame 3 via the piston rod. The baffle plate 33 can slide to the bottom of the fixed frame 3 to temporarily block the material transported by the first belt conveyor 2. At this time, the soil on the second belt conveyor 21 can be fed into the blank space on one side of the first belt conveyor 2 for transportation. After the soil is fed into the second belt conveyor 21, in order to avoid the soil on the first belt conveyor 2 accumulating at the baffle plate 33, the second belt conveyor 21 stops transporting the soil. The cylinder 31 opens the baffle plate 33 via the piston rod, so that the first belt conveyor 2 continues to transport the soil. In this way, the soil inside the connecting channel 1 is intermittently transported to the first belt conveyor 2 for output, avoiding the accumulation and overflow of slag on the first belt conveyor 2, thereby avoiding overload, jamming, or even damage to the slag discharge belt conveyor.

[0030] During the process of the drive motor 23 driving the conveyor roller 24 to rotate through the output shaft, the conveyor roller 24 can transport soil to the first belt conveyor 2 via the conveyor belt 25. At this time, the conveyor roller 24 drives the reciprocating screw 41 to rotate on the connecting frame 4. The connecting frame 4 drives the square nut 42 to slide back and forth on the connecting frame 4 through rotation. The square nut 42 drives the trigger block 43 to press and trigger the delayed touch control button 35 at intervals. The delayed touch control button 35 sends a signal to the cylinder 31 through the input line 34. When the delayed touch control button 35 is not triggered after the timeout, or when it is always triggered, the cylinder 31 drives the baffle plate 33 to rise through the piston rod. At this time, the second belt conveyor 21 is not transporting soil. The baffle plate 33 opens to facilitate the transportation of soil by the first belt conveyor 2. The drive end of the second belt conveyor 21 linked by this triggering mechanism can accurately cooperate with the baffle mechanism on the first belt conveyor 2, thereby achieving precise intermittent baffle and ensuring the stability of soil transportation.

Claims

1. An intermittent shield tunnel muck removal conveyor, comprising a connecting passage and a shield tunnel on one side, characterized in that: The shield tunnel is equipped with a first belt conveyor, and the connecting passage is equipped with a second belt conveyor. The first and second belt conveyors have identical structures, each including a support frame. A drive motor is fixedly connected to the surface of the support frame, and a conveyor roller is fixedly connected to the output shaft of the drive motor. A conveyor belt is driven through the surface of the conveyor roller. A protective plate is fixedly connected to the surface of the support frame. A shielding mechanism is provided on the surface of the first belt conveyor. The shielding mechanism includes a fixed frame, which is fixedly connected to the surface of the support frame. A cylinder is fixedly connected to the surface of the fixed frame, and a shielding plate is fixedly connected to the piston rod of the cylinder. A slider is fixedly connected to both sides of the first belt conveyor. The slider is slidably connected to the surface of the fixed frame. A delayed touch control button is fixedly connected to the surface of the fixed frame. An input line is fixedly connected to the output end of the delayed touch control button. The end of the input line away from the delayed touch control button is fixedly connected to the input end of the cylinder. A trigger mechanism is provided on one side of the second belt conveyor. The trigger mechanism includes a connecting frame. The connecting frame is fixedly connected to one side of the support frame. A reciprocating screw is rotatably connected to the surface of the connecting frame. One end of the reciprocating screw passes through the connecting frame and the support frame and is fixedly connected to one end of the conveyor roller. A square nut is threadedly connected to the surface of the reciprocating screw. A trigger block is fixedly connected to the surface of the square nut.

2. The interval-type shield tunnel muck removal conveyor according to claim 1, characterized in that: The fixing frame is U-shaped, and a guide groove is provided on the inner side of the fixing frame. The slider slides on the guide groove of the fixing frame, and the baffle plate slides up and down on the surface of the fixing frame by the slider.

3. The interval-type shield tunnel muck removal conveyor according to claim 1, characterized in that: The slider is equipped with two sets of baffles at a height higher than the slider itself. The cylinder drives the baffles to slide and rise on the surface of the fixed frame via a piston rod.

4. The interval-type shield tunnel muck removal conveyor according to claim 1, characterized in that: The drive motor drives the conveyor roller to rotate on the support frame via its output shaft. The conveyor roller drives the conveyor belt to transport materials on the second belt conveyor. The conveyor roller drives the reciprocating screw to rotate synchronously on the surface of the connecting frame.

5. The interval-type shield tunnel muck removal conveyor according to claim 4, characterized in that: The reciprocating lead screw drives the square nut to slide on the surface of the trigger block by rotation, and the square nut slides back and forth on the connecting frame. The square nut drives the trigger block to slide back and forth on the surface of the connecting frame.

6. The interval-type shield tunnel muck removal conveyor according to claim 1, characterized in that: The trigger block is semi-cylindrical in shape, and it continuously triggers the delayed touch control button during its reciprocating movement.

7. The interval-type shield tunnel muck removal conveyor according to claim 6, characterized in that: The delayed touch control button outputs a control signal to the cylinder via an input line, and the cylinder adjusts the specific position of the baffle on the fixed frame based on the control signal from the delayed touch control button.

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