CN114961769A - Shield tunneling machine muck conveying device for water-rich soft stratum - Google Patents

Abstract

The invention provides a shield machine slag conveying device for water-rich soft ground, which solves the problems of difficulty in conveying mud and water, the occupied area of the slag pit is too large, the slag filter plate is difficult to clean and block, and the transportation space is wasted. Including a screw conveyor, the slag falls from the discharge port of the screw conveyor into the filter box, after being filtered by the upper sloping plate, and then falls into the lower sloping plate for secondary filtration. The soil is removed so that the filter plate will not be blocked by large pieces of muck. A cleaning brush is set at the position of the mud water tank close to the filter plate so that the filter holes of the filter plate will not be blocked by small debris, and an aligned filter plate is set in the mud water tank. The high-pressure water gun is used to prevent the filter plate from being blocked by the sludge. The filtered mud water is discharged by the mud pump. The filtered muck is crushed by the crushing device and then transported to the muck truck by the conveyor belt. The invention can comprehensively clean and block the filter plate, and separate and pulverize large pieces of slag and muddy water.

Description

A shield machine slag conveying device for water-rich soft ground

technical field

The invention relates to the technical field of slag conveying, in particular to a shield machine slag conveying device for water-rich soft ground.

Background technique

When the earth pressure balance shield machine is excavating the tunnel, the mode of screw conveyor and conveyor belt is often used to transport the muck. However, when the shield machine is excavating the tunnel, it is very easy to encounter water-rich strata. In this case, due to the large water content of the muck , The belt conveyor cannot transport a large amount of water, which makes the sewage treatment of the shield machine difficult. If it is solved by filtration, the continuity of the shield tunneling work and the cleaning treatment of the blockage of the filter hole cannot be achieved;

If it is transported into the muck pool, it needs to occupy a lot of ground space, making it difficult for other facilities to be placed in a perfect location;

In the current muck conveying process, large pieces of muck, small pieces of muck and muddy water are mixed together for transportation, which greatly wastes the transportation space.

Therefore, the present invention provides a shield machine muck conveying device for water-rich soft ground to solve the above problems.

SUMMARY OF THE INVENTION

In view of the above situation, in order to overcome the defects of the prior art, the present invention provides a shield machine slag conveying device for water-rich soft strata, which effectively solves the problem of filtering and cleaning and the inability of the conveyor belt to convey the slag in the water-rich stratum during the conveying process. Sludge water, ground muck pools take up a lot of space, and large and small muck lumps are mixed together to take up transportation space.

A shield machine slag conveying device for water-rich soft ground, comprising an inclined screw conveyor, and a filter box fixedly connected to the screw conveyor is placed under the discharge port at the top of the screw conveyor, so the The rear side of the filter box is provided with two vertically arranged chutes, the upper sloping plate is slidably installed in the upper chute, and the lower sloping plate is slidably installed in the lower chute, and the upper sloping plate is slidably installed. There are cavities in both the inclined plate and the lower inclined plate, two flat plates located in the two cavities are fixedly installed on the rear side of the filter box, and sliding plates located in the cavities are installed on the two flat plates. Control device, annular holes are opened on the left side of the upper inclined plate and the lower inclined plate, the pressure sensor is installed on the upper inclined plate, and the inner wall of the rear side of the filter box is installed on the upper inclined plate and the lower inclined plate The upper push plate, two air pressure boxes are fixedly installed on the rear side of the filter box, each of the air pressure boxes is equipped with a telescopic rod respectively connected with the two push plates, and the upper end of the front side of the filter box is installed A filter plate is installed, the filter plate is provided with two through grooves arranged up and down and through which the tips of the upper sloping plate and the lower sloping plate can pass through, and the front side of the filter box is fixedly installed with muddy water with an open rear side The left and right inner walls of the filter box are rotatably installed with two toggle shafts located on the rear side of the filter plate and above the upper inclined plate and the lower inclined plate respectively, and the outer side of each of the toggle shafts is fixedly installed with A plurality of toggle plates, a plurality of cleaning brushes located on the front side of the filter plate are rotatably installed between the left and right inner walls of the mud water tank, and a plurality of high-pressure water guns facing the filter plate are installed on the top surface of the mud water tank. A pulverizing device located under the downward inclined plate is installed inside, and a conveyor belt located under the pulverizing device is installed inside the filter box.

Preferably, the sliding control device includes an upper annular disk mounted on the upper surface of the flat plate located in the cavity of the upper inclined plate, and two upper annular disks are installed on the upper surface of the upper flat plate and are arranged in front and back and surrounded by the upper annular disk. On the upper turntable, an upper fixed bevel gear is fixed coaxially above the upper turntable on the rear side, a sliding motor is installed on the left outer wall of the filter box, and the rotating shaft of the sliding motor is fixedly connected with a ring hole passing through it. The upper connecting rod, the other end of the upper connecting rod is coaxially and fixedly connected with an upper transmission bevel gear meshing with the upper fixed bevel gear, and a plurality of evenly distributed upper ratchet teeth are installed on the outer side of each upper turntable, and each Each of the upper ratchet teeth is kept always bounced outward by the spring steel sheet, and the outer end points in the counterclockwise direction. Gear, the left and right outer surfaces of the upper annular disk are fixedly connected with teeth meshing with the upper gear, the shaft of the upper gear is fixedly connected with the flat plate, and the left and right sides of the cavity located in the upper inclined plate are respectively fixed with racks , the two upper gears are respectively meshed with the racks located in the upper swash plate.

Preferably, the sliding control device further comprises a lower annular disk mounted on the upper surface of the flat plate located in the cavity of the lower inclined plate, and two annular disks arranged in front and rear are mounted on the upper surface of the lower flat plate and are surrounded by the lower annular disk A lower fixed bevel gear is installed coaxially above the lower turntable on the rear side, and a lower connecting rod that passes through the annular hole and is connected to the upper connecting rod through a sprocket is installed in the lower swash plate, The lower connecting rod is coaxially and fixedly connected with a lower transmission bevel gear located in the lower inclined plate and meshing with the lower fixed bevel gear, and a plurality of evenly distributed lower ratchet teeth are installed on the outer side of each lower turntable. The lower ratchet teeth are always kept bounced outward by the spring steel sheet, and the outer end points in a clockwise direction. , the left and right outer surfaces of the lower annular disk are fixedly connected with teeth that mesh with the lower gear, the shaft of the lower gear is fixedly connected with the flat plate, and the left and right sides of the cavity in the lower inclined plate are respectively fixed with racks , the two lower gears are respectively meshed with the racks located in the lower swash plate.

Preferably, the upper toggle shaft is coaxially connected with a cleaning motor, the two toggle shafts are connected through a sprocket drive, and each of the cleaning brushes is coaxially and fixedly connected to the left side of the mud tank and mutually connected to each other. The meshing cleaning gear is connected by a sprocket drive between the cleaning motor and the uppermost cleaning brush.

Preferably, a rubber strip is installed on the lower side of each push plate, a plurality of compression springs are installed between each rubber strip and the push plate above it, and the top surface of the upper inclined plate is connected to the rubber strip above it. The strips are in close contact, and the top surface of the downslope is in close contact with the rubber strips located above it.

Preferably, the pulverizing device comprises two twisting shafts arranged rotatably between the left and right inner walls of the filter box, and the front inner wall of the filter box is fixedly installed with an inclined shape and whose lower ends are located at the two twisting shafts. The deflector above the joint shaft, a plurality of circumferentially distributed crushing columns are installed on the outer side of each of the twisted shafts, and both of the two twisted shafts are coaxially and fixedly connected with crushing gears. The crushing gears mesh with each other.

Preferably, the drive shaft of the conveyor belt is coaxially connected with a transmission motor located in the filter box, the rotating shaft of the transmission motor is coaxially connected with a transmission bevel gear, and a transmission shaft is rotatably installed on the left side of the filter box, so The transmission shaft is coaxially and fixedly connected with a transfer bevel gear meshing with the transmission bevel gear, and the transmission shaft and the pulverizing gear are connected through a sprocket drive.

Preferably, a mud pump connected by a pipeline is installed at a lower position on the left front of the mud water tank.

Preferably, a power motor is coaxially installed on the top of the screw conveyor.

Compared with the prior art, the present invention filters the dregs discharged by the screw conveyor on the upper inclined plate of the filter box through the filter plate, so as to realize the separation of the muddy water in the dregs from some large stones and soil, and filter out the muddy water in the dregs. The muddy water is directly discharged into the mud water treatment system on the ground through the mud pump; the filter plate is cleaned by the toggle shaft, cleaning brush and high-pressure water gun, and the large slag filtered on the upper sloping plate falls into the lower sloping plate for secondary At the same time, the continuous discharge of the muck by the screw conveyor is realized. A small amount of muck blocks filtered on the downward inclined plate fall into the crushing device, and the crushed small muck falls on the conveyor belt and is transported to the muck truck. This not only avoids the problem that the conveyor belt cannot transport mud and water, but at the same time, the remaining small amount of muck after filtration will greatly reduce the area of the muck pit, reduce the difficulty of design and layout during ground installation, save a great deal of transportation space, and provide A cleaning treatment plan for various blockages of filter holes.

Description of drawings

FIG. 1 is a schematic perspective view of the present invention.

FIG. 2 is a left-side cross-sectional schematic diagram of the present invention.

FIG. 3 is a schematic diagram of the inner sliding control device of the swash plate according to the present invention.

FIG. 4 is a schematic diagram of the inner sliding control device of the descending swash plate of the present invention.

FIG. 5 is a distribution diagram of the gear motor in the left side of the present invention.

FIG. 6 is an enlarged view of the position A in FIG. 2 of the present invention.

FIG. 7 is an enlarged view of B in FIG. 2 of the present invention.

FIG. 8 is an enlarged view of C in FIG. 5 of the present invention.

FIG. 9 is an enlarged view of D in FIG. 3 of the present invention.

FIG. 10 is an enlarged view of the position E in FIG. 4 of the present invention.

Detailed ways

The foregoing and other technical contents, features and effects of the present invention will be clearly presented in the following detailed description of the embodiments with reference to FIGS. 1 to 10 . The structural contents mentioned in the following embodiments are all referenced to the accompanying drawings.

Exemplary embodiments of the present invention will be described below with reference to the accompanying drawings.

Embodiment 1, the present invention is a shield machine muck conveying device for water-rich soft ground, including an inclined screw conveyor 1, the screw conveyor 1 transports the muck to the top, the screw conveyor 1 A filter box 2 fixedly connected to the screw conveyor 1 is placed under the discharge port at the top. The rear side of the filter box 2 is provided with two vertically arranged chutes 5, which are located in the upper chutes 5. The upper sloping plate 3 is slidably installed, and the lower sloping plate 4 is slidably installed in the chute 5 below. The lower sloping plate 4 can slide back and forth through the chute 5, the upper sloping plate 3 and the lower sloping plate 4 are both provided with cavities 41, and two cavities 41 are fixedly installed on the inner rear side of the filter box 2 respectively. The flat plate 15 of the cavity 41, the sliding control device 6 located in the cavity 41 is installed on the two flat plates 15, and the sliding control device 6 can respectively control the up inclined plate 3 and the down inclined plate 4 to slide back and forth, and the up inclined plate 3. When sliding back and forth with the lower inclined plate 4, the flat plate 15 does not move, and the sliding control device 6 can only control the upper inclined plate 3 or the lower inclined plate 4 at the same time. There is an annular hole 49, a pressure sensor 48 is installed on the upper inclined plate 3, and a push plate 7 located above the upper inclined plate 3 and the lower inclined plate 4 is installed on the inner wall of the rear side of the filter box 2 respectively. Two air pressure boxes 36 are fixedly installed on the rear side of the 2, and the air pressure boxes 36 provide power for the movement of the push plate 7. Each of the air pressure boxes 36 is installed with a telescopic rod that is fixedly connected to the rear sides of the two push plates 7 respectively. 35. A filter plate 8 is installed on the upper end of the front side of the filter box 2. The muck falling from the discharge port of the screw conveyor 1 falls on the upper inclined plate 3, and the muck on the upper inclined plate 3 rolls naturally under the action of gravity. Fall to the vicinity of the filter plate 8, and filter out the muddy water through the filter plate 8. When the muck on the upper inclined plate 3 reaches a certain weight, the pressure sensor 48 sends a signal, and the intelligent system commands the sliding control device 6 to work after receiving the signal. The sliding control device 6 moves the upper inclined plate 3 to the rear. At this time, the lower inclined plate 4 remains in place, and the muck dropped by the screw conveyor 1 and the muck on the upper inclined plate 3 fall on the lower inclined plate 4 together. , when the upward sloping plate 3 moves backward to the limit, the air box 36 located above moves the push plate 7 connected to it forward through the telescopic rod 35, and will not naturally roll off the upward sloping plate 3 under the action of gravity The muck blocks are pushed into the lower inclined plate 4, and then the upper inclined plate 3 moves forward to reset, the muck on the lower inclined plate 4 is filtered by the filter plate 8 for the second time, and then the upper inclined plate 3 remains in the original position. It continues to accept the muck falling from the screw conveyor 1. The sliding control device 6 controls the downward movement of the sloping plate 4 to move backwards. Afterwards, the air pressure box 36 at the bottom moves the push plate 7 connected to it forward through the telescopic rod 35, and pushes the muck blocks that do not naturally roll off the downward slope plate 4 under the action of gravity into the lower slope plate 4. , the filter plate 8 is provided with two up and down arranged and can be used for the tip of the upper inclined plate 3 and the lower inclined plate 4 to pass through. Through the groove 10, the tip of the upper inclined plate 3 passes through the through groove 10 to prevent the filtered muddy water from flowing down the filter plate 8 and falls down the inclined plate 4, and the tip of the lower inclined plate 4 passes through the through groove 10 to prevent the muddy water from flowing down. The residual accumulation of the filter holes causes the sludge to be blocked. The front side of the filter box 2 is fixedly installed with a mud water tank 9 with an opening on the back side. , the muddy water flows into the muddy water tank 9 through the filter plate 8, and the muck remains on the upper sloping plate 3 and the lower sloping plate 4, and two left and right inner walls of the filter box 2 are rotated and installed on the rear side of the filter plate 8. The toggle shafts 27 are respectively located above the upper inclined plate 3 and the lower inclined plate 4, and a plurality of toggle plates 28 are fixedly installed on the outer side of each of the toggle shafts 27. When the toggle shaft 27 rotates, the toggle plates 28 The large pieces of slag falling near the filter plate 8 will be pulled away to avoid the silt of the slag being blocked behind the filter plate 8, so that the muddy water on the upper inclined plate 3 and the lower inclined plate 4 cannot flow to the muddy water tank 9, and the muddy water A plurality of cleaning brushes 30 located on the front side of the filter plate 8 are rotatably installed between the left and right inner walls of the box 9. The bristles of the cleaning brushes 30 are made of elastic materials. The brush 30 continues to rotate, and the ends of the bristles bounce into the filter holes of the filter plate 8, which will bounce off the small slag pieces that block the filter holes. A plurality of high-pressure water guns 32 facing the filter plate 8 are installed on the top surface of the mud tank 9. , the high-pressure water gun 32 will wash and disperse the sludge blocked in the filter holes on the filter plate 8, and then flow into the mud water tank 9 under the action of gravity. The filtered muck on the sloping plate 3 falls on the lower inclined board 4, and the filtered muck on the lower inclined board 4 falls on the crushing device 11, and the crushing device 11 crushes the filtered large muck into small quick slag. The filter box 2 is equipped with a conveyor belt 13 located below the crushing device 11. The small quick muck crushed by the crushing device 11 falls on the conveyor belt 13 under the action of gravity, and is transported by the conveyor belt 13 to the muck truck.

When in use, the muck falls from the discharge port of the screw conveyor 1 onto the inclined plate 3 in the filter box 2 for preliminary filtering. When the weight of the muck reaches a certain level, the pressure sensor 48 sends a signal, and the sliding control device 6 Control the upward inclined plate 3 to move backwards, after the upper inclined plate 3 stops moving, the push plate 7 located above it moves forward, and the muck rolls down on the lower inclined plate 4 under the action of gravity and the push plate 7, and the sliding control system 6 The upper inclined plate 3 is controlled to reset, the lower inclined plate 4 and the push plate 7 located below repeat the above actions, the filtered muck blocks are crushed by the crushing device 11 and then fall on the conveyor belt 13 and transported to the muck truck, and then transported to the muck During the soil pit, the toggle shaft 27 and the cleaning brush 30 work continuously, and the high-pressure water gun 32 works intermittently to prevent and deal with the blockage of the filter plate.

Embodiment 2, on the basis of Embodiment 1, the sliding control device 6 includes an upper annular disk 14 mounted on the upper surface of the flat plate 15 located in the cavity 41 of the upper inclined plate 3, and the flat plate 15 located above it. Two upper turntables 16 arranged in front and back and surrounded by the upper annular disc 14 are installed on the upper surface. The upper turntable 16 can drive the upper annular disc 14 to rotate counterclockwise in one direction. There is an upper fixed bevel gear 17. When the upper fixed bevel gear 17 rotates, it drives the upper turntable 16 to rotate synchronously. A sliding motor 19 is installed on the left outer wall of the filter box 2. The rotating shaft of the sliding motor 19 is fixedly connected with a ring hole passing through it. The upper connecting rod 51 of 49, the other end of the upper connecting rod 51 is coaxially and fixedly connected with the upper transmission bevel gear 18 meshing with the upper fixed bevel gear 17. When the rotating shaft of the sliding motor 19 rotates forwardly, the upper transmission bevel gear 18 is synchronized. Rotation, the upper fixed bevel gear 17 meshing with the upper transmission bevel gear 18 rotates counterclockwise to drive the upper turntable 16 to rotate counterclockwise. Similarly, when the rotating shaft of the sliding motor 19 is reversed, it drives the upper turntable 16 to rotate clockwise. A plurality of evenly distributed upper ratchet teeth 20 are installed on the outer side of the turntable 16, and each of the upper ratchet teeth 20 is kept always bounced outward by a spring steel sheet and the outer end points in a counterclockwise direction, and the upper turntable 16 is counterclockwise. When rotating, the top of the upper ratchet 20 pushes against the oblique groove on the inner side of the upper annular disk 14, so that the upper annular disk 14 rotates counterclockwise on the flat plate 15. When the upper ratchet 20 rotates clockwise, the spring steel sheet is compressed and cannot be Drive the upper annular disk 14 to move, the upper surface of the flat plate 15 located above is installed with two upper gears 21 respectively located on the left and right sides of the rear end of the upper annular disk 14. The left and right outer surfaces of the upper annular disk 14 are fixedly connected with The teeth meshed by the upper gear 21, when the upper annular disc 14 rotates until the left teeth mesh with the left upper gear 21, the teeth on the right side of the upper annular disc 14 just leave the right upper gear 21, when the upper annular disc 14 Before it is rotated until its right teeth mesh with the right upper gear 21, the toothed part on the left side of the upper annular disc 14 just completely leaves the left upper gear 21. The shaft of the upper gear 21 is fixedly connected with the plate 15, and the two Both the upper gears 21 can rotate around the axis, and racks are fixedly installed on the left and right sides of the cavity 41 in the upper swash plate 3 respectively. The rack meshes, the sliding motor 19 starts to work and drives the upper annular disk 14 to rotate counterclockwise. At this time, the upper annular disk 14 meshes with the upper gear 21 located on the left side, and the motion is transmitted to the rack through the upper gear 21, and drives the upward incline The plate 3 moves backward, and the sliding motor stops working when the upward sloping plate 3 moves backward to the limit. When the push plate 7 cleans the dregs on the upward sloping plate 3 and returns to its original position, the rotating shaft of the sliding motor 19 continues to rotate forward. At this time, the teeth on the left side of the upper ring disc 14 have been separated from the upper gear 21 on the left side, and the teeth on the right side of the upper ring disc 14 begin to mesh with the upper gear 21 on the right side, and the motion is transmitted to the upper gear 21 through the upper gear 21. The teeth located on the right side, and drive the upward inclined plate 3 bit forward movement

Embodiment 3, on the basis of Embodiment 2, the sliding control device 6 further includes a lower annular disk 22 mounted on the upper surface of the flat plate 15 in the cavity 41 of the lower inclined plate 4. The flat plate 15 is rotated on the upper surface, and two lower turntables 23 arranged in front and rear and surrounded by the lower annular disk 22 are installed on the upper surface of the lower flat plate 15. A lower fixed bevel gear 24 is installed coaxially above the lower turntable 23, and a lower connecting rod 42 that passes through the annular hole 49 and is connected to the upper connecting rod 51 through the sprocket transmission is installed in the lower swash plate 4, so The lower connecting rod 42 is coaxially and fixedly connected with a lower transmission bevel gear 50 that meshes with the lower fixed bevel gear 24. When the rotating shaft of the sliding motor 19 is reversed, the lower transmission bevel gear 50 rotates synchronously, and the lower transmission bevel gear 50 meshes with the lower transmission bevel gear 50. The clockwise rotation of the bevel gear 24 drives the lower turntable 23 to rotate clockwise. Similarly, when the rotating shaft of the sliding motor 19 rotates forward, it drives the lower turntable 23 to rotate counterclockwise. The lower ratchet teeth 25, each of the lower ratchet teeth 25 are kept always bounced to the outside by the spring steel sheet and the outer end points in a clockwise direction. When the lower turntable 23 rotates clockwise, the top of the lower ratchet teeth 25 is against the lower ring In the inclined groove on the inner side of the disk 22, the lower annular disk 22 rotates clockwise on the flat plate 15. When the lower rotating disk 23 rotates counterclockwise, the spring steel sheet is compressed and cannot drive the lower annular disk 22 to move. 15. Two lower gears 26 are installed on the upper surface of the lower annular disc 22, which are respectively located on the left and right sides of the rear end of the lower annular disc 22. The left and right outer surfaces of the lower annular disc 22 are fixedly connected with teeth meshing with the lower gears 26. The lower annular disc 22 rotates When the teeth on the left side mesh with the lower gear 26 on the left, the toothed part on the right side of the lower annular disc 22 just leaves the lower gear 26 on the right, and the lower annular disc 22 rotates until the teeth on the right side and the lower gear 26 on the right side. Before meshing, the toothed part on the left side of the lower annular disc 22 just completely leaves the left lower gear 26, the shaft of the lower gear 26 is fixedly connected with the plate 15, and the two lower gears 26 can rotate around the shaft. The left and right sides of the cavity 41 in the swash plate 4 are respectively fixed with racks, and the two lower gears 26 are respectively engaged with the racks located in the lower swash plate 4. After the upper swash plate 3 is reset, the rotating shaft of the sliding motor 19 Reverse and drive the lower annular disc 22 to rotate clockwise, at this time the lower annular disc 22 meshes with the lower gear 26 located on the right side, the movement is transmitted to the rack through the lower gear 26, and drives the lower swash plate 4 to move backward, the lower swash plate 4. When moving backward to the limit, the sliding motor stops working. When the push plate 7 cleans the dregs on the lower inclined plate 4 and returns to the original position, the rotating shaft of the sliding motor 19 continues to reverse. At this time, the teeth on the right side of the lower annular disk 22 have The lower gear 26 on the right side is separated, and the teeth on the left side of the lower annular disc 22 start to mesh with the lower gear 26 on the left side, and the movement is transmitted to the teeth on the left side through the lower gear 26, and drives the lower swash plate. 4 Reset forward movement.

Embodiment 4, on the basis of Embodiment 1, a cleaning motor 29 is coaxially connected to the upper toggle shaft 27, the two toggle shafts 27 are connected by a sprocket drive, and the cleaning motor 29 is driven by a sprocket. The two toggle shafts 27 continue to rotate synchronously. Each of the cleaning brushes 30 is coaxially and fixedly connected with a cleaning gear 31 located on the left side of the mud tank 9 and meshing with each other. The cleaning motor 29 is connected to the uppermost cleaning brush 30. The rotating shaft of the cleaning motor 29 keeps rotating continuously, the toggle shaft 27 located at the top keeps rotating synchronously with it, the toggle shaft 27 located at the bottom continues to rotate through the sprocket drive, and the cleaning brush 30 located at the top passes through the The sprocket drive with the rotating shaft of the belt cleaning machine 29 keeps rotating continuously, thereby driving other cleaning brushes 30 meshing with it to rotate continuously.

Embodiment 5, on the basis of Embodiment 1, a rubber strip 33 is installed on the lower side of each push plate 7, and a plurality of compression springs 34 are installed between each rubber strip 33 and the push plate 7 above it, The lower end of the compression spring 34 is fixedly connected to the top surface of the rubber strip 33, and the upper end is fixedly connected to the inner top surface of the push plate 7. The upper end of the rubber strip 33 is located inside the push plate 7 and can slide up and down. The upper rubber strip 33 is in close contact, and the top surface of the lower inclined plate 4 is in close contact with the rubber strip 33 located above it. When the upper inclined plate 3 or the lower inclined plate 4 moves, the push plate 7 is under the action of the telescopic rod 35. Moving forward, the bottom surface of the rubber strip 33 is kept in close contact with the top surface of the rubber strip 33 under the elastic force of the compression spring 34, and the residual dregs and sludge on the upper surface of the upper inclined plate 3 or the lower inclined plate 4 are cleaned up, When the upward inclined plate 3 or the downward inclined plate 4 moves to the rear to the limit, the air pressure box 36 pushes the push plate 7 to move forward through the telescopic rod 35, so that the push plate 7 tilts the muck blocks that do not naturally roll down due to gravity from the upward slope. The upper surfaces of the plate 3 and the lower inclined plate 4 are pushed off, and at the same time, the lower rubber strip 33 cleans the small particles of slag and sludge remaining on the upper surfaces of the upper inclined plate 3 and the lower inclined plate 4.

Embodiment 6, on the basis of Embodiment 1, the pulverizing device 11 includes two front and rear twisting shafts 37 that are rotatably installed between the left and right inner walls of the filter box 2, and the twisting shafts 37 will fall into them when they rotate. The slag blocks between the two are squeezed and crushed, the front inner wall of the filter box 2 is fixedly installed with an inclined deflector 12 whose lower end is located above the two twisting shafts 37, and the slag falling on the lower inclined plate 4 is fixed. The soil block is guided to the upper part of the middle of the two twisting shafts 37 through the deflector 12 to improve the crushing efficiency, and a plurality of circumferentially distributed crushing columns are installed on the outer side of each twisting shaft 37 38. The two pulverizing shafts 37 are both coaxially and fixedly connected with pulverizing gears 39. The two pulverizing gears 39 mesh with each other, and the pulverizing gears 39 continue to rotate, so that the pulverizing work of the hinging shafts 37 continues.

Embodiment 7, on the basis of Embodiment 6, the drive shaft of the conveyor belt 13 is coaxially connected to the transmission motor 43 located in the filter box 2, and the rotating shaft of the transmission motor 43 is coaxially connected to the transmission bevel gear 44, and the transmission The bevel gear 44 rotates synchronously with the driving shaft of the conveyor belt 13 , the transmission shaft 40 is rotatably mounted on the left side of the filter box 2 , and the transmission shaft 40 is coaxially and fixedly connected with a transfer bevel gear 45 that meshes with the transmission bevel gear 44 . , the transmission shaft 40 is connected with the pulverizing gear 39 through the sprocket drive, the rotating shaft of the transmission motor 43 continues to rotate, drives the conveyor belt 13 to continuously drive, and the transfer bevel gear 45 meshing with the transfer bevel gear 44 continues to rotate, so that the transfer bevel gear 45 is engaged with the transfer bevel gear 44. The transmission shaft 40 fixedly connected to the coaxial gear 45 continues to rotate, thereby driving the crushing device to run continuously through the sprocket drive.

Embodiment 8, on the basis of Embodiment 1, a mud pump 46 connected by a pipeline is installed at the lower left front of the mud water tank 9, and the mud water pump 46 will continuously transport the mud water in the mud water tank 9 to the ground. in the water treatment system.

In the ninth embodiment, on the basis of the first embodiment, a power motor 47 is coaxially installed on the top of the screw conveyor 1 .

Compared with the prior art, the slag discharged by the screw conveyor on the upper inclined plate of the filter box is filtered through the filter plate, so as to realize the separation of the muddy water in the slag from some large stones and soil, and the filtered muddy water It is directly discharged into the mud water treatment system on the ground through the mud pump; the toggle shaft drives the toggle plate to rotate to avoid the blockage of the filter plate by large pieces of muck; the cleaning brush will bounce off the small stones and soil clogged in the filter holes of the filter plate , the high-pressure water gun washes some solid sludge that blocks the filter plate, and the large pieces of muck filtered on the upper inclined plate reach a certain weight and fall into the lower inclined plate for secondary filtration. Continuous discharge, a small amount of muck blocks filtered on the downward inclined plate fall into the crushing device, and the crushed small muck blocks fall on the conveyor belt and are transported to the muck truck. This not only avoids the problem that the conveyor belt cannot transport mud and water, but at the same time, the remaining small amount of muck after filtration will greatly reduce the area of the muck pit, reduce the difficulty of design and layout during ground installation, save a great deal of transportation space, and provide A cleaning treatment plan for various clogging conditions of filter holes.

Claims (9)

1. The utility model provides a shield constructs quick-witted dregs conveyor for rich water soft stratum, including screw conveyer (1) that the slope was placed, its characterized in that, screw conveyer (1) top the below of discharge gate place with screw conveyer (1) fixed connection's rose box (2), it has two spout (5) of arranging from top to bottom to open on the trailing flank of rose box (2), is located the top spout (5) slidable mounting has last swash plate (3), is located the below spout (5) slidable mounting has down swash plate (4), it has cavity (41) all to open in last swash plate (3) and the lower swash plate (4), fixed mounting has two dull and stereotyped (15) that are located two cavities (41) respectively on the inside trailing flank of rose box (2), two all install slide control device (6) that are located cavity (41) on dull and stereotyped (15), the filter is characterized in that the left sides of the upper inclined plate (3) and the lower inclined plate (4) are both provided with an annular hole (49), the upper inclined plate (3) is provided with a pressure sensor (48), the inner wall of the rear side of the filter box (2) is provided with push plates (7) which are respectively positioned above the upper inclined plate (3) and the lower inclined plate (4), the rear side of the filter box (2) is fixedly provided with two air pressure boxes (36), each air pressure box (36) is internally provided with a telescopic rod (35) which is respectively fixedly connected with the rear sides of the two push plates (7), the upper end of the front side of the filter box (2) is provided with a filter plate (8), the filter plate (8) is provided with two penetrating grooves (10) which are vertically arranged and are used for the tips of the upper inclined plate (3) and the lower inclined plate (4) to penetrate, the front side of the filter box (2) is fixedly provided with a muddy water box (9) the rear side of which is provided with an opening, rotate between the inner wall about rose box (2) and install two and be located filter (8) rear side and be located stirring axle (27) of swash plate (3) and swash plate (4) top down respectively, every the lateral surface fixed mounting of stirring axle (27) has a plurality of stirring boards (28), rotate between the inner wall about muddy water tank (9) and install a plurality of cleaning brushes (30) that are located filter (8) front side, a plurality of high-pressure squirts (32) towards filter (8) are installed to inside top surface of muddy water tank (9), rose box (2) internally mounted has reducing mechanism (11) that are located down swash plate (4) below, rose box (2) internally mounted has conveyer belt (13) that are located reducing mechanism (11) below.

2. The shield tunneling machine muck conveying device for the water-rich soft formation is characterized in that the sliding control device (6) comprises an upper annular disc (14) which is arranged on the upper surface of a flat plate (15) in a cavity (41) of an upper inclined plate (3), two upper rotating discs (16) which are arranged in tandem and surrounded by the upper annular disc (14) are arranged on the upper surface of the flat plate (15) which is arranged above the upper rotating disc (16), an upper fixed bevel gear (17) is coaxially and fixedly arranged above the upper rotating disc (16) which is arranged at the rear side, a sliding motor (19) is arranged on the outer wall of the left side of the filter box (2), an upper connecting rod (51) which penetrates through an annular hole (49) is fixedly connected to a rotating shaft of the sliding motor (19), and an upper transmission bevel gear (18) which is meshed with the upper fixed bevel gear (17) is coaxially and fixedly connected to the other end of the upper connecting rod (51), each upper turntable (16) is provided with a plurality of upper ratchets (20) which are uniformly distributed, each upper ratchets (20) are kept to bounce outwards all the time through spring steel sheets, the outer ends of the upper ratchets point to the anticlockwise direction, two upper gears (21) which are respectively positioned at the left side and the right side of the rear end of an upper annular disc (14) are arranged on the upper surface of a flat plate (15) positioned above the upper ratchets, teeth meshed with the upper gears (21) are fixedly connected to the left side and the right side of the upper annular disc (14), shafts of the upper gears (21) are fixedly connected with the flat plate (15), racks are respectively and fixedly arranged on the left side and the right side of a cavity (41) positioned in an upper inclined plate (3), and the two upper gears (21) are respectively meshed with the racks positioned in the upper inclined plate (3).

3. The shield tunneling machine muck conveying device for the water-rich soft formation according to claim 2, wherein the sliding control device (6) further comprises a lower annular disc (22) which is arranged on the upper surface of the flat plate (15) in a cavity (41) of a lower inclined plate (4), two lower rotating discs (23) which are arranged in tandem and surrounded by the lower annular disc (22) are arranged on the upper surface of the flat plate (15) which is arranged below, a lower fixed bevel gear (24) is coaxially and fixedly arranged above the lower rotating disc (23) which is arranged at the rear side, a lower connecting rod (42) which passes through an annular hole (49) and is in chain wheel transmission connection with an upper connecting rod (51) is arranged in the lower inclined plate (4), a lower transmission bevel gear (50) which is meshed with the lower fixed bevel gear (24) is coaxially and fixedly connected with the lower connecting rod (42), and a plurality of lower ratchet teeth (25) which are uniformly distributed are arranged on the outer side of each lower rotating disc (23), each lower ratchet (25) is kept to bounce outwards all the time through a spring steel sheet, the outer end of each lower ratchet points to the clockwise direction, two lower gears (26) which are located on the left side and the right side of the rear end of a lower annular disc (22) are mounted on the upper surface of the flat plate (15) located below, teeth meshed with the lower gears (26) are fixedly connected to the left outer side and the right outer side of the lower annular disc (22), the shaft of each lower gear (26) is fixedly connected with the flat plate (15), racks are fixedly mounted on the left side and the right side of a cavity (41) in the lower inclined plate (4) respectively, and the two lower gears (26) are meshed with the racks located in the lower inclined plate (4) respectively.

4. The shield tunneling machine muck conveying device for the water-rich soft stratum according to claim 1, wherein the shifting shaft (27) positioned above is coaxially connected with a cleaning motor (29), two shifting shafts (27) are connected through chain wheel transmission, each cleaning brush (30) is coaxially and fixedly connected with a cleaning gear (31) which is positioned on the left side of the muddy water tank (9) and is meshed with the muddy water tank, and the cleaning motor (29) is connected with the uppermost cleaning brush (30) through chain wheel transmission.

5. The shield tunneling machine muck conveying device for the water-rich soft formation is characterized in that a rubber strip (33) is arranged on the lower side of each push plate (7), a plurality of compression springs (34) are arranged between each rubber strip (33) and the push plate (7) above the rubber strip, the top surface of the upper inclined plate (3) is in close contact with the rubber strip (33) above the upper inclined plate, and the top surface of the lower inclined plate (4) is in close contact with the rubber strip (33) above the lower inclined plate.

6. The shield tunneling machine muck conveying device for the water-rich soft stratum is characterized in that the crushing device (11) comprises two hinge shafts (37) which are rotatably arranged between the left inner wall and the right inner wall of the filter box (2) and are arranged in the front-back direction, a guide plate (12) which is inclined and the lower end of which is positioned above the two hinge shafts (37) is fixedly arranged on the inner wall of the front side of the filter box (2), a plurality of crushing columns (38) which are circumferentially distributed are arranged on the outer side surface of each hinge shaft (37), crushing gears (39) are coaxially and fixedly connected to the two hinge shafts (37), and the two crushing gears (39) are meshed with each other.

7. The shield tunneling machine muck conveying device for the water-rich soft formation is characterized in that a driving shaft of the conveying belt (13) is coaxially connected with a conveying motor (43) positioned in the filter box (2), a rotating shaft of the conveying motor (43) is coaxially connected with a conveying bevel gear (44), a conveying shaft (40) is rotatably mounted on the left side surface of the filter box (2), a transfer bevel gear (45) meshed with the conveying bevel gear (44) is coaxially and fixedly connected with the conveying shaft (40), and the conveying shaft (40) is in chain wheel transmission connection with the crushing gear (39).

8. The shield tunneling machine muck conveying device for the water-rich soft formation according to claim 1, wherein a mud pump (46) connected through a pipeline is installed at a position lower than the left front of the mud water tank (9).

9. The shield tunneling machine muck conveying device for the water-rich soft formation is characterized in that a power motor (47) is coaxially mounted at the top of the screw conveyor (1).

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