CN217107003U

CN217107003U - Shield constructs machine and prevents mud cake with system of erodeing

Info

Publication number: CN217107003U
Application number: CN202220409589.0U
Authority: CN
Inventors: 朱亚军; 陈正国; 严廷标; 卜林
Original assignee: Jiangsu Zhongya Heavy Industry Co ltd
Current assignee: Jiangsu Zhongya Heavy Industry Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-02
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a shield constructs machine and prevents mud cake with washing away system, including setting up the motor on the side plate body of shield baffle far away from the soil storehouse, surround the motor and rotate on the shield baffle and be provided with four outlet pipes, be provided with the master gear at the executive shaft end of motor, be provided with the driven gear with master gear meshing on the body of four outlet pipes respectively; a spray head is arranged at the end part of one end of the water outlet pipe extending to the soil bin, a fixing ring is screwed on the pipe body of the water outlet pipe positioned in the soil bin, and a plurality of stirring rods are obliquely arranged on one side of the fixing ring away from the front shield partition plate; the other end of the water outlet pipe is connected with a water distribution bin, the water outlet pipe is connected with the water distribution bin in a rotating and sealing mode, a communicating pipe is arranged on one side, away from the water outlet pipe, of the water distribution bin, the water inlet end of the communicating pipe is connected with a booster water pump, and the water inlet end of the booster water pump is connected with a water inlet pipe. The utility model discloses can prevent clay bonding cutter to can improve soil body soil property in the soil storehouse and make things convenient for its discharge.

Description

Shield constructs machine and prevents mud cake with system of erodeing

Technical Field

The utility model relates to a shield constructs machine and prevents mud cake with scouring system belongs to shield and constructs machine scouring system field.

Background

The shield machine is a special engineering machine for tunneling, when the shield machine is constructed to penetrate through a clay stratum or a silt stratum, a cutter head rotates to cut a soil body to increase the temperature of a contact surface, and clay particles are easily attached to a cutter under the high-pressure action of extrusion of the cutter head, so that the cutter is stuck, the soil body cannot be normally cut, the load of the cutter head and the cutter of the shield machine is increased, and the frequency of cutter replacement is increased; meanwhile, clay is bonded on the cutter head, so that the opening rate of the cutter head is reduced, the soil body under cutting is influenced to smoothly enter the soil bin, and the tunneling safety of the shield tunneling machine and the durability of equipment are further influenced. At present, the most common method for solving the problem of clay bonding cutters of shield tunneling machines is to enter a bin for cutter changing, but the problem of clay bonding cutters cannot be fundamentally solved; secondly, the cost of the cutter is high, and the problems of construction cost increase and construction progress delay caused by frequent cutter replacement are solved.

Disclosure of Invention

For solving the not enough of prior art, the utility model provides a shield constructs machine and prevents mud cake with scouring system can prevent clay bonding cutter to can improve in the soil storehouse soil body soil property and make things convenient for its discharge.

The utility model discloses the technical scheme who adopts does:

a washing system for mud cake prevention of a shield machine comprises a motor arranged on a plate body on one side, far away from a soil bin, of a front shield partition plate, four water outlet pipes are arranged on the front shield partition plate in a rotating mode around the motor, a main gear is arranged at the tail end of an execution shaft of the motor, and driven gears meshed with the main gear are arranged on pipe bodies of the four water outlet pipes respectively; a spray head is arranged at the end part of one end of the water outlet pipe extending to the soil bin, a fixing ring is screwed on a pipe body of the water outlet pipe positioned in the soil bin, and a plurality of stirring rods are obliquely arranged on one side of the fixing ring away from the front shield partition plate; the other end of the water outlet pipe is connected with a water distribution bin, the water outlet pipe is connected with the water distribution bin in a rotating and sealing mode, a communicating pipe is arranged on one side, away from the water outlet pipe, of the water distribution bin, the water inlet end of the communicating pipe is connected with a booster water pump, and the water inlet end of the booster water pump is connected with a water inlet pipe.

Preferably, the communication pipe is provided with a control valve.

Further preferably, a pressure gauge is further arranged on a communicating pipe between the regulating valve and the booster water pump.

Preferably, two fixing plates are symmetrically arranged on the anterior shield partition plate above and below the water distribution bin, supporting plates corresponding to the fixing plates are arranged at the top and the bottom of the water distribution bin, and the supporting plates are connected with the corresponding fixing plates through bolts.

Further preferred, the retainer plate is set up for one side that the shield baffle was kept away from to the small-bore end orientation of round platform type structure and retainer plate, has evenly just inclined on the domatic of retainer plate and has seted up a plurality of screw hole, and the one end of a plurality of stirring rod is established at the screw hole soon, and the other end orientation of stirring rod extends in the direction of keeping away from retainer plate horizontal center line.

The beneficial effects of the utility model reside in that:

pressurized water flow is sprayed out of the nozzles at the front ends of the four water outlet pipes through the booster water pump to act on the cutter head, so that clay bonded on the cutter head can be washed away, and the sprayed water flow can improve the soil body structure in the bin body; four outlet pipes are driven to rotate through the motor, then the fixing ring on the outlet pipe and the stirring rod on the fixing ring can be driven to rotate, and then soil blocking caused by caking of soil bodies which are not discharged in time in the soil bin can be prevented.

Drawings

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

FIG. 2 is a schematic structural view of a retainer ring;

the main reference numerals in the figures have the following meanings:

1. the device comprises a motor, 2, a water outlet pipe, 3, a main gear, 4, a driven gear, 5, a nozzle, 6, a fixing ring, 7, a water distribution bin, 8, a communicating pipe, 9, a booster water pump, 10, a water inlet pipe, 11, a regulating valve, 12, a pressure gauge, 13, a fixing plate, 14, a support plate, 15, a front shield partition plate, 16, a soil bin, 17, a cutter head, 18 and a stirring rod.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

As shown in fig. 1-2: the embodiment is a washing system for preventing mud cakes of a shield machine, which comprises a motor 1 arranged on a plate body on one side of a front shield partition 15, which is far away from a soil bin 16, four water outlet pipes 2 are arranged on the front shield partition 15 around the motor 1 in a rotating manner, the four water outlet pipes 2 are arranged by taking an execution shaft of the motor 1 as a circle center, a main gear 3 is arranged at the tail end of the execution shaft of the motor 1, and driven gears 4 meshed with the main gear 3 are respectively arranged on pipe bodies of the four water outlet pipes 2; a spray head 5 is arranged at one end part of the water outlet pipe 2 extending to the soil bin 16, a fixing ring 6 is screwed on a pipe body of the water outlet pipe 2 positioned in the soil bin 16, the spray head 5 is arranged towards the cutter head 17, and a plurality of stirring rods 18 are obliquely arranged on one side of the fixing ring 6 far away from the front shield partition 15; the other end of outlet pipe 2 is connected with water diversion storehouse 7, and outlet pipe 2 rotates and sealing connection with water diversion storehouse 7, is provided with communicating pipe 8 in the one side of water diversion storehouse 7 keeping away from outlet pipe 2, and the income water end of communicating pipe 8 is connected with booster pump 9, and the income water end of booster pump 9 is connected with inlet tube 10.

As shown in fig. 1, a regulating valve 11 is provided in communication pipe 8.

As shown in fig. 1, a pressure gauge 12 is also provided on the communicating pipe 8 between the regulating valve 11 and the booster water pump 9.

Referring to fig. 1, two fixing plates 13 are symmetrically arranged on the anterior shield partition above and below the water diversion bin 7, supporting plates 14 corresponding to the fixing plates 13 are arranged at the top and the bottom of the water diversion bin 7, and the supporting plates 14 are connected with the corresponding fixing plates 13 through bolts.

Referring to fig. 2, the fixing ring 6 is a circular truncated cone structure, the small-diameter end of the fixing ring 6 faces the side away from the front shield partition 15, a plurality of threaded holes are uniformly and obliquely formed in the slope surface of the fixing ring 6, one end of the stirring rod 18 is rotatably arranged in the threaded holes, and the other end of the stirring rod 18 extends in the direction away from the horizontal center line of the fixing ring 6.

In practical application, the motor 1 drives the four water outlet pipes 2 to rotate, the water in the water inlet pipe 10 is pressurized by the pressurizing water pump 9, then enters the water outlet pipes 2 through the communicating pipes 8 and the water distribution bin 7, and is sprayed out from the spray nozzles 5 on the water outlet pipes 2 in the soil bins 16 to act on the cutter heads 17, so that clay bonded on the cutter heads 17 can be washed away, and the sprayed water flow can improve the soil structure in the soil bins 16 and facilitate soil discharge; secondly, outlet pipe 2 can drive retainer plate 6 and the stirring rod 18 of 6 on the retainer plate on outlet pipe 2 and rotate when rotating, then can prevent not in time the soil body of discharging caking from causing the condition appearance that soil storehouse 16 blockked up in soil storehouse 16.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a shield constructs machine and prevents mud cake with washing away system which characterized in that: the device comprises a motor (1) arranged on a plate body on one side, far away from a soil bin, of a front shield partition plate, four water outlet pipes (2) are arranged on the front shield partition plate in a rotating mode around the motor (1), a main gear (3) is arranged at the tail end of an execution shaft of the motor (1), and driven gears (4) meshed with the main gear (3) are arranged on pipe bodies of the four water outlet pipes (2) respectively; a spray head (5) is arranged at the end part of one end, extending to the soil bin, of the water outlet pipe (2), a fixing ring (6) is arranged on a pipe body of the water outlet pipe (2) positioned in the soil bin in a rotating mode, and a plurality of stirring rods (18) are obliquely arranged on one side, far away from the front shield partition plate, of the fixing ring (6); the other end of outlet pipe (2) is connected with and divides water storehouse (7), and outlet pipe (2) rotate and sealing connection with dividing water storehouse (7), and one side of keeping away from outlet pipe (2) in dividing water storehouse (7) is provided with communicating pipe (8), the income water end of communicating pipe (8) is connected with booster pump (9), the income water end of booster pump (9) is connected with inlet tube (10).

2. The mud cake scouring prevention system of a shield tunneling machine according to claim 1, wherein a regulating valve (11) is provided on the communicating pipe (8).

3. The mud cake scouring prevention system of a shield tunneling machine according to claim 2, wherein a pressure gauge (12) is further arranged on a communication pipe (8) between the regulating valve (11) and the booster water pump (9).

4. The mud cake flushing preventing system of the shield tunneling machine as claimed in claim 1, wherein two fixing plates (13) are symmetrically arranged on the anterior shield partition plate above and below the water diversion bin (7), support plates (14) corresponding to the fixing plates (13) are arranged at the top and the bottom of the water diversion bin (7), and the support plates (14) are connected with the corresponding fixing plates (13) through bolts.

5. The mud cake scouring prevention system of a shield tunneling machine, according to claim 1, wherein the fixing ring (6) is of a circular truncated cone structure, the small-diameter end of the fixing ring (6) faces one side away from the front shield partition plate, a plurality of threaded holes are uniformly and obliquely formed in the slope surface of the fixing ring (6), one ends of a plurality of stirring rods (18) are rotatably arranged in the threaded holes, and the other ends of the stirring rods (18) extend in a direction away from the horizontal center line of the fixing ring (6).