Muck conveying device of earth pressure balance shield machine

Abstract

The utility model relates to the technical field of underground tunnel construction, in particular to a muck conveying device of an earth pressure balance shield machine. According to the technical scheme, the device comprises a conveying pipe, a first motor is arranged on the left side of the conveying pipe, the output end of the first motor penetrates and extends into the conveying pipe and is provided with a rotating shaft, a spiral blade is arranged on the outer ring of the rotating shaft, and a slag leakage groove is formed in the bottom face of the conveying pipe. The variable-pitch spiral blades are adopted, the pitch at the feeding end is small and gradually increases to the discharging end, conveying efficiency can be improved, blockage can be prevented, the bottom plate, the connecting plate, the connecting bolt and the vibrator are arranged, whether residues exist in the conveying pipe or not can be checked during shutdown, the residues are vibrated down, the service life of equipment is prolonged, and the production cost is reduced. And by arranging the feeding pipe to the second motor, the muck can be pretreated, large stones are crushed to be in the size suitable for conveying, the muck is mixed with the modifying agent, the property of the muck is improved, and conveying is more convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to underground tunnel construction technical field especially relates to a kind of earth pressure balance shield machine slag conveying device. BACKGROUND

[0002] Earth pressure balance shield machine is a kind of earth pressure that is established and maintained with the water and soil pressure of excavation face in the sealed earth cabin of the front end of shield machine, to ensure the stability of excavation face, simultaneously, it utilizes cutterhead rotation to cut soil, and the earth is discharged by conveying device, to realize the mechanical equipment of tunneling.

[0003] When conveying viscous, easy to block or large block material, material is easy to stick in the inside of conveying device, or blockage at the hanging bearing, after the shutdown of conveying device, some slag in cylinder will be left, these slag, if not cleaned in time, it is easy to block and harden, and it will increase the starting resistance when starting next time, even possibly lead to equipment blockage, affect conveying efficiency, so it is necessary to propose a kind of earth pressure balance shield machine slag conveying device. SUMMARY

[0004] The utility model aims at the problems in the background art, and proposes a kind of earth pressure balance shield machine slag conveying device.

[0005] The utility model discloses a kind of earth pressure balance shield machine slag conveying device, including conveying pipe, the left side of the conveying pipe is provided with motor one, the output of the motor one extends to the inside of conveying pipe and is provided with shaft, the outer ring of the shaft is provided with spiral blade, the bottom surface of the conveying pipe is opened with slag leakage groove, the bottom plate is slidably arranged at the slag leakage groove, the front and back sides of the conveying pipe and bottom plate are provided with connecting plate, the top surface of each connecting plate is opened with a plurality of threaded holes, the inside of corresponding two threaded holes is provided with connecting bolt, the top surface of the conveying pipe is provided with feed pipe, the top surface of the feed pipe is provided with pretreatment box, two crushing shafts and two stirring shafts are rotatably arranged in the inside of the pretreatment box, the outer ring of each crushing shaft is provided with crushing roller, the outer ring of each stirring shaft is provided with a plurality of stirring paddles, the left end of each crushing shaft extends to the left side of pretreatment box and is provided with middle gear, the left end of one stirring shaft on rear side extends to the left side of pretreatment box and is provided with big gear, the left end of one stirring shaft on front side extends to the left side of pretreatment box and is provided with small gear, the left side of the pretreatment box is provided with mounting plate, the left side of the mounting plate is provided with motor two, the output of the motor two is fixedly connected with small gear, the top of the conveying pipe is provided with vibrator.

[0006] Preferably, the outside of the motor one is provided with protection box.

[0007] Preferably, the left end of the spiral blade has a small pitch, and the right end of the spiral blade has a large pitch.

[0008] Preferably, the conveying pipe and the bottom plate are provided with sealing strips at the joint positions, the bottom plate is provided with a discharge port at the bottom, and the bottom plate is provided with a discharge pipe at the position of the discharge port.

[0009] Preferably, the top surface of the conveying pipe is provided with a feeding port at the position of the feeding pipe, the left side of the feeding pipe is provided with a sliding groove, the sliding groove is slidably provided with a discharging plate, the left side of the discharging plate is provided with a push-pull plate, the bottom surface of the pretreatment box is provided with a fixed plate, the left side of the fixed plate is provided with a cylinder push rod, and the output end of the cylinder push rod extends through the right side of the fixed plate and is fixedly connected with the left side of the push-pull plate.

[0010] Preferably, the two middle gears are in meshing arrangement, and one of the middle gears at the rear side is in meshing arrangement with the large gear.

[0011] Preferably, the large gear is in meshing arrangement with the small gear.

[0012] Compared with the prior art, the utility model has the beneficial technical effects that:

[0013] The utility model discloses a variable pitch spiral blade is arranged, and the pitch is small at the feeding end and gradually increases to the discharging end, which helps to improve the conveying efficiency and prevent blockage, the bottom plate, the connecting plate, the connecting bolt and the vibrator are arranged, so that the inside of the conveying pipe can be checked for residual materials when the equipment stops, and the residual materials can be shaken down, the service life of the equipment is prolonged, the feeding pipe is connected with motor two, and the residual earth can be pretreated, the large stones are broken into appropriate sizes for conveying, and the residual earth is mixed with the modifier, so that the properties of the residual earth are improved and the residual earth is convenient to convey. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is a whole structure schematic view of the utility model;

[0015] Fig. 2 It is a cross section structure schematic view of the utility model;

[0016] Fig. 3 It is a structure schematic view of the inside of the conveying pipe in the utility model;

[0017] Fig. 4 It is a partial area structure schematic view in the utility model.

[0018] Reference numerals: 1. Conveying pipe; 2. Motor 1; 3. Rotating shaft; 4. Spiral blade; 5. Base plate; 6. Connecting plate; 7. Connecting bolt; 8. Feed pipe; 9. Pretreatment box; 10. Crushing shaft; 11. Agitating shaft; 12. Crushing roller; 13. Agitator; 14. Medium gear; 15. Large gear; 16. Small gear; 17. Mounting plate; 18. Motor 2; 19. Vibrator; 20. Protective box; 21. Sealing strip; 22. Discharge pipe; 23. Feed plate; 24. Push-pull plate; 25. Fixing plate; 26. Cylinder push rod. Detailed Implementation

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings and specific embodiments.

[0020] Example

[0021] like Figs. 1 to 4 As shown, the present invention proposes a soil conveying device for an earth pressure balance shield tunneling machine, including a conveying pipe 1. A motor 2 is installed on the left side of the conveying pipe 1, and the left side of the conveying pipe 1 is fixedly connected to the right side of the motor 2. A protective box 20 is installed outside the motor 2, and the protective box 20 is fixedly installed on the left side of the conveying pipe 1 to protect the motor 2. The output end of the motor 2 extends through the inside of the conveying pipe 1 and is provided with a rotating shaft 3. The output end of the motor 2 is rotatably connected to the conveying pipe 1, and the output end of the motor 2 is fixedly connected to the left end of the rotating shaft 3. A spiral blade 4 is provided on the outer ring of the rotating shaft 3, and the outer ring of the rotating shaft 3 is fixedly connected to the spiral blade 4. The left end of the spiral blade 4 has a small pitch, and the right end of the spiral blade 4 has a large pitch. The spiral blade 4 with a variable pitch is adopted. The pitch is small at the feeding end and gradually increases to the discharge end, which helps to improve the conveying efficiency and prevent blockage. A slag leakage groove is opened on the bottom surface of the conveying pipe 1, and a bottom plate 5 is slidably installed at the slag leakage groove.

[0022] Sealing strips 21 are provided at the joint of the conveying pipe 1 and the base plate 5 to ensure sealing. The bottom of the base plate 5 has a discharge port, and a discharge pipe 22 is provided at the discharge port. The base plate 5 and the discharge pipe 22 are fixedly connected. Connecting plates 6 are provided on the front and rear sides of the conveying pipe 1 and the base plate 5. The conveying pipe 1 and the base plate 5 are fixedly connected to the corresponding connecting plates 6. The top surface of each connecting plate 6 has multiple threaded holes, and connecting bolts 7 are provided inside the corresponding two threaded holes. The connecting bolts 7 can make the connecting plates 6 on the conveying pipe 1 and the base plate 5 tightly connected and easy to disassemble for cleaning and maintenance of the inside of the conveying pipe 1. The top surface of the conveying pipe 1 has a feed pipe 8, and the top surface of the conveying pipe 1 is fixedly connected to the bottom surface of the feed pipe 8. The top surface of the conveying pipe 1 has a feed port at the position of the feed pipe 8. A sliding groove is provided on the left side of the feed pipe 8. A discharge plate 23 is slidably installed inside the sliding groove. The discharge plate 23 can control the discharge.

[0023] The left side of the blanking plate 23 is provided with a push-pull plate 24, the left side of the blanking plate 23 is fixedly connected with the right side of the push-pull plate 24, the bottom surface of the pretreatment box 9 is provided with a fixed plate 25, the bottom surface of the pretreatment box 9 is fixedly connected with the top surface of the fixed plate 25, the left side of the fixed plate 25 is provided with a cylinder push rod 26, the left side of the fixed plate 25 is fixedly connected with the right side of the cylinder push rod 26, the output end of the cylinder push rod 26 extends through to the right side of the fixed plate 25 and is fixedly connected with the left side of the push-pull plate 24, the movement of the blanking plate 23 can be controlled through the output end of the cylinder push rod 26, so that the feeding amount of the conveying pipe 1 can be controlled, the top surface of the feeding pipe 8 is provided with the pretreatment box 9, the top surface of the feeding pipe 8 is fixedly connected with the bottom surface of the pretreatment box 9, two crushing shafts 10 and two stirring shafts 11 are rotatably arranged in the pretreatment box 9, a crushing roller 12 is arranged on the outer circle of each crushing shaft 10, the crushing shaft 10 is fixedly connected with the crushing roller 12, a plurality of stirring paddles 13 are arranged on the outer circle of each stirring shaft 11, the stirring shaft 11 is fixedly connected with the stirring paddle 13;

[0024] The left end of each crushing shaft 10 extends through to the left side of the pretreatment box 9 and is provided with a middle gear 14, the crushing shaft 10 is fixedly connected with the middle gear 14, the two middle gears 14 are meshingly arranged, facilitating transmission, the left end of the stirring shaft 11 located at the rear side extends through to the left side of the pretreatment box 9 and is provided with a large gear 15, the stirring shaft 11 is fixedly connected with the large gear 15, the middle gear 14 located at the rear side is meshingly arranged with the large gear 15, facilitating transmission, the left end of the stirring shaft 11 located at the front side extends through to the left side of the pretreatment box 9 and is provided with a small gear 16, the left end of the stirring shaft 11 is fixedly connected with the small gear 16, the large gear 15 is meshingly arranged with the small gear 16, facilitating transmission, the left side of the pretreatment box 9 is provided with a mounting plate 17, the left side of the pretreatment box 9 is fixedly connected with the right side of the mounting plate 17, the left side of the mounting plate 17 is provided with a motor two 18, the left side of the mounting plate 17 is fixedly connected with the right side of the motor two 18, the output end of the motor two 18 is fixedly connected with the small gear 16, the output end of the motor two 18 is rotatably connected with the mounting plate 17, the top of the conveying pipe 1 is provided with a vibrator 19, the conveying pipe 1 is fixedly connected with the vibrator 19.

[0025] In this embodiment, when the device is used, the slag falls into the inside of the pretreatment box 9 before being transported, the motor 2 is operated, the output end of the motor 2 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the spiral blade 4 to rotate, the spiral blade 4 drives the slag to be transported to the discharge port, and the slag is transported out through the discharge pipe 22, when the inside of the conveying pipe 1 needs to be cleaned and maintained, the connecting bolt 7 is detached from the connecting plate 6, the bottom plate 5 is detached from the bottom of the conveying pipe 1, and then the vibrator 19 is operated, the vibration generated by the vibrator 19 shakes the residual slag in the conveying pipe 1 to prevent the conveying pipe 1 from being blocked.

[0026] The above specific embodiments are only preferred embodiments of the present application, and based on the technical scheme of the present application and the related inspiration of the above embodiments, those skilled in the art can make various alternative improvements and combinations on the above specific embodiments.

Claims

1. An earth pressure balance shield machine spoil conveyor arrangement comprising a conveyor pipe (1), characterised in that: The left side of the conveying pipe (1) is provided with motor one (2), the output end of motor one (2) extends to the inside of the conveying pipe (1) and is provided with a rotating shaft (3), the outer circle of the rotating shaft (3) is provided with a spiral blade (4), the bottom surface of the conveying pipe (1) is provided with a slag chute, the slag chute is provided with a bottom plate (5), the front and back sides of the conveying pipe (1) and the bottom plate (5) are provided with connecting plates (6), the top surface of each connecting plate (6) is provided with a plurality of threaded holes, the inside of the corresponding two threaded holes is provided with a connecting bolt (7), the top surface of the conveying pipe (1) is provided with a feeding pipe (8), the top surface of the feeding pipe (8) is provided with a pretreatment box (9), the inside of the pretreatment box (9) is rotatably provided with two crushing shafts (10) and two stirring shafts (11), the outer circle of each crushing shaft (10) is provided with a crushing roller (12), the outer circle of each stirring shaft (11) is provided with a plurality of stirring paddles (13), the left end of each crushing shaft (10) extends to the left side of the pretreatment box (9) and is provided with a middle gear (14), the left end of one of the stirring shafts (11) on the back side extends to the left side of the pretreatment box (9) and is provided with a large gear (15), the left end of one of the stirring shafts (11) on the front side extends to the left side of the pretreatment box (9) and is provided with a small gear (16), the left side of the pretreatment box (9) is provided with a mounting plate (17), the left side of the mounting plate (17) is provided with motor two (18), the output end of motor two (18) is fixedly connected with the small gear (16), and the top of the conveying pipe (1) is provided with a vibrator (19).

2. An earth pressure balance tunnel boring machine spoil conveyor as claimed in claim 1, wherein, The outside of the motor one (2) is provided with a protection box (20).

3. The soil pressurized balance shield machine sludge conveying device according to claim 1, characterized in that, The left end of the spiral blade (4) has a small pitch, and the right end of the spiral blade (4) has a large pitch.

4. The soil pressurized balance shield machine sludge conveying device according to claim 1, characterized in that, The connecting position of the conveying pipe (1) and the bottom plate (5) is provided with a sealing strip (21), the bottom of the bottom plate (5) is provided with a discharge port, and the bottom of the bottom plate (5) is provided with a discharge pipe (22) at the discharge port position.

5. An earth pressure balance tunnel boring machine spoil conveyor as claimed in claim 1, wherein, The top surface of the conveying pipe (1) is provided with an inlet at the position of the feeding pipe (8), the left side of the feeding pipe (8) is provided with a sliding groove, the inside of the sliding groove is provided with a discharging plate (23), the left side of the discharging plate (23) is provided with a push-pull plate (24), the bottom surface of the pretreatment box (9) is provided with a fixing plate (25), the left side of the fixing plate (25) is provided with a pneumatic cylinder push rod (26), the output end of the pneumatic cylinder push rod (26) extends to the right side of the fixing plate (25) and is fixedly connected with the left side of the push-pull plate (24).

6. An earth pressure balance tunnel boring machine spoil conveyor as claimed in claim 1, wherein, The two middle gears (14) are meshed, and one of the middle gears (14) on the back side is meshed with the large gear (15).

7. An earth pressure balance tunnel boring machine spoil conveyor as claimed in claim 1, wherein, The large gear (15) is meshed with the small gear (16).

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