CN216964710U

CN216964710U - Slurry shield prevents stifled muddy water pump of blocking up

Info

Publication number: CN216964710U
Application number: CN202220797077.6U
Authority: CN
Inventors: 高源�; 康林; 彭静峰; 丰磊
Original assignee: China Railway No 8 Engineering Group Co Ltd
Current assignee: China Railway No 8 Engineering Group Co Ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-07-15
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to the technical field of mud pumps and discloses a mud shield anti-blocking mud pump which comprises a mud pump and a communicating pipe communicated with the left end of the mud pump, wherein the left end of the communicating pipe is communicated with a cleaning box, the left side surface of the cleaning box is communicated with a central pipe, the left end of the central pipe is communicated with a crushing box, the left end of the crushing box is communicated with a feeding pipe, and the left side of the inner wall of the communicating pipe is fixedly connected with a screening net. This slurry shield constructs prevents stifled muddy water pump uses through the slide bar, propulsion board, hinge, scraping wings and clearance case cooperation for the screening net blocks the complete stone of breakage not, and the rolling disc passes through movable plate and slide bar drive propulsion board and scraping wings reciprocating motion all around, and the scraping wings is advanced and is released the stone, thereby makes the device can discharge the stone automatically, has further reduced the probability that the muddy water pump was blocked to the stone, has improved the device's work efficiency.

Description

Slurry shield prevents stifled muddy water pump of blocking up

Technical Field

The utility model relates to the technical field of a slurry pump, in particular to a slurry shield anti-blocking slurry pump.

Background

The slurry shield mainly utilizes a slurry conveying system to discharge slag, soil sand excavated by a shield machine enters a cutting bin, high-density slurry is formed after the slurry and the slurry are stirred, the high-density slurry is pumped to a slurry treatment system by a slurry pump and is treated in a slurry field, the soil sand is separated and discharged from the slurry by a separation device, the separated slurry is adjusted and then pumped back to an excavation surface, and the circulation is performed, so that in slurry shield construction of a water-rich pebble stratum and an underwater broken stratum, large-particle-size pebbles in a slurry bin often enter a slurry pump along with the slurry to cause blockage of the slurry pump, a circulation system is damaged, surrounding rocks are disturbed excessively and unstable, a cutter head is damaged, equipment is damaged and the like in serious conditions, and a blocked pump port needs to enter a slurry pump stone box manually to remove blockages such as pebbles and the like, and the efficiency is low and the risk is caused.

For example, chinese patent application nos.: 201621450398.X there is provided a slurry shield anti-clogging slurry pump substantially as follows: the device comprises a mud water pump, a quarrying box and a stone crusher, wherein the stone crusher is arranged in front of a pump port of the mud water pump and connected with the quarrying box; when a slurry pump port is blocked, a stone crusher is started to crush the blockage, so that the blockage is dispersed and enters a slurry circulating system through the slurry pump in sequence.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a slurry shield anti-blocking slurry pump, which solves the problems in the background technology.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: a slurry shield anti-blocking slurry pump comprises a slurry pump and a communicating pipe communicated with the left end of the slurry pump, wherein the left end of the communicating pipe is communicated with a cleaning box, the left side surface of the cleaning box is communicated with a central pipe, the left end of the central pipe is communicated with a crushing box, the left end of the crushing box is communicated with an inlet pipe, the left side of the inner wall of the communicating pipe is fixedly connected with a screening net, two groups of sliding rods are slidably inserted in the back surface of the cleaning box, the front ends of the sliding rods are fixedly connected with a pushing plate, the front surface of the pushing plate is hinged with a pushing plate through two groups of hinges, four corners of the front surface of the cleaning box are fixedly connected with sliding shafts, the outer surfaces of the sliding shafts are slidably sleeved with a blocking plate, the outer surfaces of the sliding shafts are sleeved with springs and fixedly connected with baffle plates, two groups of sliding columns are slidably inserted in the back surface of the crushing box, and crushing blocks are fixedly connected with the front ends of the sliding columns, the rear end fixedly connected with movable plate of slip post and slide bar, the center tube surface rotates and is connected with the axis of rotation, axis of rotation bottom fixedly connected with rolling disc, rolling disc lower surface right side fixedly connected with rolling pin, rolling pin surface rotates and is connected with the crank, the crank rotates with the movable plate to be connected, surface fixedly connected with motor frame on clearance case and the crushing case, motor frame inner wall fixedly connected with driving motor, driving motor's the output and the top fixed connection of axis of rotation.

Preferably, the top and the bottom of the outer surface of the central tube are both provided with ball bearings, and the central tube is rotatably connected with the rotating shaft through the ball bearings.

Preferably, the outer surface of the sliding column is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding column is zero two millimeters.

Preferably, the outer surface of the sliding column is slidably sleeved with a stabilizing lantern ring, and the front end of the stabilizing lantern ring is fixedly connected with the back of the crushing box.

Preferably, the motor frame left surface and the equal fixedly connected with strengthening rib of right flank, the lower surface of strengthening rib and the last fixed surface who smashes case and cleaning box are connected.

Preferably, the bottom of the outer surface of the rotating pin is fixedly sleeved with a limiting ring, and the upper surface of the limiting ring is abutted against the lower surface of the crank.

(III) advantageous effects

Compared with the prior art, the utility model provides an anti-blocking slurry pump of a slurry shield, which has the following beneficial effects:

1. this mud shield constructs prevents stifled muddy water pump, through the slide bar, propulsion board, hinge, scraping wings and clearance case cooperation use for the screening net blocks not broken complete stone, and the rolling disc passes through movable plate and slide bar and drives propulsion board and scraping wings reciprocating motion all around, and the scraping wings moves forward and releases the stone, thereby makes the device can discharge the stone automatically, has further reduced the probability that the muddy water pump was blockked up to the stone, has improved the device's work efficiency.

2. This mud water shield constructs prevents stifled mud water pump uses through smashing case, crushing piece, slip post and movable plate cooperation for the rolling disc passes through the movable plate and drives slip post and smash piece reciprocating motion all around, smashes the piece striking stone, smashes the piece and smashes the case combined action and smashes the stone, thereby has further reduced the probability in the bold stone is inhaled mud water pump, has guaranteed the smoothness nature of mud water pump operation, has reduced the probability that the mud water pump appeared the trouble.

3. This slurry shield constructs prevents stifled muddy water pump, through the sliding shaft, the barrier plate, baffle and spring cooperation are used, make the scraping wings impel the stone forward, the stone is piled up in the cleaning box insidely, when the accumulational stone of cleaning box is more, the stone pushes away the barrier plate, the spring compression, the cleaning box is discharged to the stone, the barrier plate is sealed the cleaning box once more afterwards, thereby further reduced the probability that the outside air passes through the muddy water pump and inhales the cleaning box, guaranteed the extraction efficiency of muddy water pump to silt.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an expanded view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

fig. 4 is a schematic view of the structure of the rotating disc of the present invention.

In the figure: 1. a dredge pump; 2. a communicating pipe; 3. cleaning the box; 4. a central tube; 5. a crushing box; 6. a feed pipe; 7. screening the net; 8. a slide bar; 9. a propulsion plate; 10. a hinge; 11. a material pushing plate; 12. a sliding shaft; 13. a blocking plate; 14. a baffle plate; 15. a sliding post; 16. crushing the blocks; 17. moving the plate; 18. a rotating shaft; 19. rotating the disc; 20. a rotation pin; 21. a crank; 22. a motor frame; 23. a drive motor; 24. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a slurry shield anti-blocking slurry pump comprises a slurry pump 1 and a communicating pipe 2 communicated with the left end of the slurry pump 1, the left end of the communicating pipe 2 is communicated with a cleaning box 3, the left side surface of the cleaning box 3 is communicated with a central pipe 4, the left end of the central pipe 4 is communicated with a crushing box 5, the left end of the crushing box 5 is communicated with a feeding pipe 6, the left side of the inner wall of the communicating pipe 2 is fixedly connected with a screening net 7, the back surface of the cleaning box 3 is slidably inserted with two groups of sliding rods 8, the front end of each sliding rod 8 is fixedly connected with a pushing plate 9, the front surface of each pushing plate 9 is hinged with a pushing plate 11 through two groups of hinges 10, four corners of the front surface of the cleaning box 3 are fixedly connected with sliding shafts 12, the outer surface of each sliding shaft 12 is slidably sleeved with a blocking plate 13, the outer surface of each sliding shaft 12 is sleeved with a spring 24, the front end of each sliding shaft is fixedly connected with a blocking plate 14, the back surface of each crushing box 5 is slidably inserted with two groups of sliding columns 15, the front ends of each sliding column 15 are fixedly connected with a crushing block 16, a moving plate 17 is fixedly connected with the rear ends of the sliding columns 15 and the sliding rods 8, a rotating shaft 18 is rotatably connected with the outer surface of the central tube 4, a rotating disc 19 is fixedly connected with the bottom end of the rotating shaft 18, a rotating pin 20 is fixedly connected with the right side of the lower surface of the rotating disc 19, a crank 21 is rotatably connected with the outer surface of the rotating pin 20, the crank 21 is rotatably connected with the moving plate 17, a motor frame 22 is fixedly connected with the upper surfaces of the cleaning box 3 and the crushing box 5, a driving motor 23 is fixedly connected with the inner wall of the motor frame 22, the output end of the driving motor 23 is fixedly connected with the top end of the rotating shaft 18, the sieving net 7 blocks the completely uncrushed stones by matching the sliding rods 8, the pushing plate 9, the hinge 10, the pushing plate 11 and the cleaning box 3, the rotating disc 19 drives the pushing plate 9 and the pushing plate 11 to reciprocate back and forth through the moving plate 17 and the sliding rods 8, and the pushing plate 11 pushes the stones forward, thereby the device can automatically discharge stones, the probability of blocking the mud pump 1 by the stones is further reduced, the working efficiency of the device is improved, the crushing box 5, the crushing block 16, the sliding column 15 and the moving plate 17 are matched for use, the rotating disc 19 drives the sliding column 15 and the crushing block 16 to reciprocate back and forth through the moving plate 17, the crushing block 16 impacts the stones, the crushing block 16 and the crushing box 5 jointly act to crush the stones, the probability of sucking the large stones into the mud pump 1 is further reduced, the smoothness of the operation of the mud pump 1 is ensured, the probability of the failure of the mud pump 1 is reduced, the pushing plate 11 pushes the stones forward through the matching use of the sliding shaft 12, the blocking plate 13, the baffle plate 14 and the spring 24, the stones are accumulated inside the cleaning box 3, when more stones are accumulated in the cleaning box 3, the blocking plate 13 is pushed away by the stones, the spring 24 compresses, and the stone discharges cleaning box 3, and barrier plate 13 is sealed cleaning box 3 once more afterwards to further reduced the probability that the outside air passes through mud pump 1 and inhales cleaning box 3, guaranteed the extraction efficiency of mud pump 1 to silt.

In the present invention, in order to further enhance the rotation stability of the rotating shaft 18, ball bearings are disposed on the top and bottom of the outer surface of the center tube 4, the center tube 4 is rotatably connected to the rotating shaft 18 through the ball bearings, and the ball bearings are disposed, so that the rotation stability of the rotating shaft 18 is further enhanced.

In the present invention, in order to further enhance the smoothness of the movement of the sliding column 15, a grease layer is provided on the outer surface of the sliding column 15, and the thickness of the grease layer on the outer surface of the sliding column 15 is zero two millimeters, so that the friction between the sliding column 15 and the crushing box 5 is reduced, and the smoothness of the movement of the sliding column 15 is further enhanced.

In the utility model, in order to further enhance the motion stability of the sliding column 15, a stabilizing lantern ring is slidably sleeved on the outer surface of the sliding column 15, and the front end of the stabilizing lantern ring is fixedly connected with the back surface of the crushing box 5, so that the stabilizing lantern ring plays a role in stably supporting the sliding column 15, thereby further enhancing the motion stability of the sliding column 15.

In the utility model, in order to further enhance the support stability of the motor frame 22, the left side surface and the right side surface of the motor frame 22 are fixedly connected with the reinforcing ribs, and the lower surfaces of the reinforcing ribs are fixedly connected with the upper surfaces of the crushing box 5 and the cleaning box 3, so that the reinforcing ribs play a role of stably supporting the motor frame 22, and the support stability of the motor frame 22 is further enhanced.

In the utility model, in order to further enhance the motion stability of the crank 21, the bottom of the outer surface of the rotating pin 20 is fixedly sleeved with the limit ring, and the upper surface of the limit ring is abutted against the lower surface of the crank 21, so that the limit ring has a limit effect on the crank 21, and the motion stability of the crank 21 is further enhanced.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

When the cleaning box is used, the driving motor 23 is started, the driving motor 23 drives the rotating disc 19 to rotate through the rotating shaft 18, the rotating disc 19 drives the moving plate 17 to move back and forth through the crank 21, the moving plate 17 drives the sliding column 15 and the sliding rod 8 to move back and forth, the mud water pump 1 is started, mud water enters the crushing box 5 through the feeding pipe 6, the crushing block 16 impacts stones, the crushing block 16 and the crushing box 5 jointly act to crush the stones, then the mud water enters the cleaning box 3, the screening net 7 blocks the stones which are not completely crushed, the pushing plate 11 pushes the stones forward, the stones are accumulated on the front side of the cleaning box 3, when the pushing plate 11 moves backward, the pushing plate 11 is turned over forward, so that the stones are prevented from being accumulated on the rear side of the cleaning box 3, when more stones are accumulated in the cleaning box 3, the blocking plate 13 is compressed by the stones, the spring 24 is compressed, the stones are discharged out of the cleaning box 3 and then are reset by the spring 24, the blocking plate 13 seals the cleaning tank 3 again.

In conclusion, this mud shield prevents stifled mud water pump uses through slide bar 8, propulsion board 9, hinge 10, scraping wings 11 and clearance case 3 cooperation for screening net 7 blocks the complete stone of breakage, and rolling disc 19 drives propulsion board 9 and scraping wings 11 back and forth reciprocating motion through movable plate 17 and slide bar 8, and scraping wings 11 forward moves and pushes out the stone, thereby makes the device can discharge the stone automatically, has further reduced the probability that stone blockked up mud water pump 1, has improved the device's work efficiency.

This mud water shield constructs prevents stifled mud water pump, through smashing case 5, smash piece 16, slip post 15 and movable plate 17 cooperation use for rolling disc 19 drives slip post 15 and smashes piece 16 reciprocating motion all around through movable plate 17, smashes piece 16 striking stone, smashes piece 16 and smashes 5 combined action with the stone and smash the case and smash the stone, thereby further reduced the probability that the bold stone is inhaled in mud water pump 1, guaranteed the smoothness nature of mud water pump 1 operation, reduced the probability that mud water pump 1 broke down.

This slurry shield constructs prevents stifled muddy water pump, through sliding shaft 12, barrier plate 13, baffle 14 and the cooperation of spring 24 are used, make scraping wings 11 impel the stone forward, the stone is piled up inside cleaning box 3, when the accumulational stone is more in cleaning box 3, the stone pushes away barrier plate 13, the compression of spring 24, cleaning box 3 is discharged to the stone, barrier plate 13 is sealed cleaning box 3 once more afterwards, thereby further reduced the probability that the external air passes through muddy water pump 1 and inhales cleaning box 3, the extraction efficiency of muddy water pump 1 to silt has been guaranteed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a muddy water shield prevents stifled muddy water pump, includes muddy water pump (1) and communicates communicating pipe (2) at muddy water pump (1) left end, communicating pipe (2) left end intercommunication has cleaning box (3), cleaning box (3) left surface intercommunication has center tube (4), center tube (4) left end intercommunication has crushing case (5), crushing case (5) left end intercommunication has inlet pipe (6), its characterized in that: the screening net (7) is fixedly connected to the left side of the inner wall of the communicating pipe (2), two groups of sliding rods (8) are inserted into the back of the cleaning box (3) in a sliding mode, a pushing plate (9) is fixedly connected to the front end of each sliding rod (8), the pushing plate (9) is hinged to a material pushing plate (11) in the front through two groups of hinges (10), sliding shafts (12) are fixedly connected to four front corners of the cleaning box (3), a blocking plate (13) is sleeved on the outer surface of each sliding shaft (12) in a sliding mode, a spring (24) is sleeved on the outer surface of each sliding shaft (12) in a sliding mode, a baffle (14) is fixedly connected to the front end of each sliding shaft, two groups of sliding columns (15) are inserted into the back of the crushing box (5) in a sliding mode, crushing blocks (16) are fixedly connected to the front ends of the sliding columns (15), and moving plates (17) are fixedly connected to the rear ends of the sliding columns (15) and the sliding rods (8), center tube (4) surface rotates and is connected with axis of rotation (18), axis of rotation (18) bottom fixedly connected with rolling disc (19), rolling disc (19) lower surface right side fixedly connected with rotational pin (20), rotational pin (20) surface rotates and is connected with crank (21), crank (21) rotate with movable plate (17) and are connected, fixed surface is connected with motor frame (22) on clearance case (3) and crushing case (5), motor frame (22) inner wall fixedly connected with driving motor (23), the output of driving motor (23) and the top fixed connection of axis of rotation (18).

2. The slurry shield anti-clogging slurry pump according to claim 1, characterized in that: the top and the bottom of the outer surface of the central pipe (4) are both provided with ball bearings, and the central pipe (4) is rotatably connected with the rotating shaft (18) through the ball bearings.

3. The slurry shield anti-clogging slurry pump according to claim 1, characterized in that: the outer surface of the sliding column (15) is provided with a lubricating grease layer, and the thickness of the lubricating grease layer on the outer surface of the sliding column (15) is zero point two millimeters.

4. The slurry shield anti-clogging slurry pump according to claim 1, characterized in that: the outer surface of the sliding column (15) is slidably sleeved with a stabilizing lantern ring, and the front end of the stabilizing lantern ring is fixedly connected with the back of the crushing box (5).

5. The slurry shield anti-clogging slurry pump according to claim 1, characterized in that: the equal fixedly connected with strengthening rib of motor frame (22) left surface and right flank, the lower surface of strengthening rib and the last fixed surface who smashes case (5) and clearance case (3) are connected.

6. The slurry shield anti-clogging slurry pump according to claim 1, characterized in that: the bottom of the outer surface of the rotating pin (20) is fixedly sleeved with a limiting ring, and the upper surface of the limiting ring is abutted against the lower surface of the crank (21).